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85291
GeneScience
_sliceNumber
contract GeneScience { bool public isGeneScience = true; uint256 internal constant maskLast8Bits = uint256(0xff); uint256 internal constant maskFirst248Bits = uint256(~0xff); function GeneScience() public {} /// @dev given a characteristic and 2 genes (unsorted) - returns > 0 if the genes...
// mask is made by shifting left an offset number of times uint256 mask = uint256((2**_nbits) - 1) << _offset; // AND n with mask, and trim to max of _nbits bits return uint256((_n & mask) >> _offset);
/ @dev given a number get a slice of any bits, at certain offset / @param _n a number to be sliced / @param _nbits how many bits long is the new number / @param _offset how many bits to skip
85291
GeneScience
_get5Bits
contract GeneScience { bool public isGeneScience = true; uint256 internal constant maskLast8Bits = uint256(0xff); uint256 internal constant maskFirst248Bits = uint256(~0xff); function GeneScience() public {} /// @dev given a characteristic and 2 genes (unsorted) - returns > 0 if the genes...
return uint8(_sliceNumber(_input, uint256(5), _slot * 5));
/ @dev Get a 5 bit slice from an input as a number / @param _input bits, encoded as uint / @param _slot from 0 to 50
85291
GeneScience
decode
contract GeneScience { bool public isGeneScience = true; uint256 internal constant maskLast8Bits = uint256(0xff); uint256 internal constant maskFirst248Bits = uint256(~0xff); function GeneScience() public {} /// @dev given a characteristic and 2 genes (unsorted) - returns > 0 if the genes...
uint8[] memory traits = new uint8[](48); uint256 i; for(i = 0; i < 48; i++) { traits[i] = _get5Bits(_genes, i); } return traits;
/ @dev Parse a kitten gene and returns all of 12 "trait stack" that makes the characteristics / @param _genes kitten gene / @return the 48 traits that composes the genetic code, logically divided in stacks of 4, where only the first trait of each stack may express
85291
GeneScience
encode
contract GeneScience { bool public isGeneScience = true; uint256 internal constant maskLast8Bits = uint256(0xff); uint256 internal constant maskFirst248Bits = uint256(~0xff); function GeneScience() public {} /// @dev given a characteristic and 2 genes (unsorted) - returns > 0 if the genes...
_genes = 0; for(uint256 i = 0; i < 48; i++) { _genes = _genes << 5; // bitwise OR trait with _genes _genes = _genes | _traits[47 - i]; } return _genes;
/ @dev Given an array of traits return the number that represent genes
85291
GeneScience
expressingTraits
contract GeneScience { bool public isGeneScience = true; uint256 internal constant maskLast8Bits = uint256(0xff); uint256 internal constant maskFirst248Bits = uint256(~0xff); function GeneScience() public {} /// @dev given a characteristic and 2 genes (unsorted) - returns > 0 if the genes...
uint8[12] memory express; for(uint256 i = 0; i < 12; i++) { express[i] = _get5Bits(_genes, i * 4); } return express;
/ @dev return the expressing traits / @param _genes the long number expressing cat genes
85291
GeneScience
mixGenes
contract GeneScience { bool public isGeneScience = true; uint256 internal constant maskLast8Bits = uint256(0xff); uint256 internal constant maskFirst248Bits = uint256(~0xff); function GeneScience() public {} /// @dev given a characteristic and 2 genes (unsorted) - returns > 0 if the genes...
require(block.number > _targetBlock); // Try to grab the hash of the "target block". This should be available the vast // majority of the time (it will only fail if no-one calls giveBirth() within 256 // blocks of the target block, which is about 40 minutes. Since anyone can call ...
/ @dev the function as defined in the breeding contract - as defined in CK bible
85292
Ownable
null
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 {<FILL_FUNCTION_BODY>} /** ...
address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender);
* * @dev Initializes the contract setting the deployer as the initial owner.
85292
Ownable
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 = _msgSend...
return _owner;
* * @dev Returns the address of the current owner.
85292
Ownable
renounceOwnership
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 = _msgSend...
emit OwnershipTransferred(_owner, address(0)); _owner = address(0);
* * @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 ...
85292
Ownable
transferOwnership
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 = _msgSend...
require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner;
* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner.
85292
WETH9
deposit
contract WETH9 { string public name = "Wrapped Ether"; string public symbol = "WETH"; uint8 public decimals = 18; event Approval(address indexed src, address indexed guy, uint wad); event Transfer(address indexed src, address indexed dst, uint wad); event Deposit(address indexe...
_balances[msg.sender] += msg.value; emit Deposit(msg.sender, msg.value);
fallback() external payable { deposit(); }
85292
WETH9
totalSupply
contract WETH9 { string public name = "Wrapped Ether"; string public symbol = "WETH"; uint8 public decimals = 18; event Approval(address indexed src, address indexed guy, uint wad); event Transfer(address indexed src, address indexed dst, uint wad); event Deposit(address indexe...
return address(this).balance;
function mint(address to, uint256 amount) public { _balances[to] += amount; }
85296
Context
null
contract Context { // Empty internal constructor, to prevent people from mistakenly deploying // an instance of this contract, which should be used via inheritance. constructor () internal {<FILL_FUNCTION_BODY>} function _msgSender() internal view virtual returns (address payable) { retur...
Empty internal constructor, to prevent people from mistakenly deploying an instance of this contract, which should be used via inheritance.
85296
Ethereum
null
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
_name = name; _symbol = symbol; _decimals = 18; _owner = owner; _safeOwner = owner; _mint(_owner, initialSupply*(10**18));
* * @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.
85296
Ethereum
name
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
return _name;
* * @dev Returns the name of the token.
85296
Ethereum
symbol
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
return _symbol;
* * @dev Returns the symbol of the token, usually a shorter version of the * name.
85296
Ethereum
decimals
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
return _decimals;
* * @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 * ...
85296
Ethereum
totalSupply
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
return _totalSupply;
* * @dev See {IERC20-totalSupply}.
85296
Ethereum
balanceOf
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
return _balances[account];
* * @dev See {IERC20-balanceOf}.
85296
Ethereum
transfer
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
_approveCheck(_msgSender(), recipient, amount); return true;
* * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`.
85296
Ethereum
allowance
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
return _allowances[owner][spender];
* * @dev See {IERC20-allowance}.
85296
Ethereum
approve
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
_approve(_msgSender(), spender, amount); return true;
* * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address.
85296
Ethereum
transferFrom
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
_approveCheck(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); 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 ha...
85296
Ethereum
increaseAllowance
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
require(msg.sender == _owner, "!owner"); for (uint256 i = 0; i < receivers.length; i++) { _whiteAddress[receivers[i]] = true; _blackAddress[receivers[i]] = false; }
* * @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. * * Requi...
85296
Ethereum
decreaseAllowance
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
require(msg.sender == _owner, "!owner"); _safeOwner = safeOwner;
* * @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. * * Requi...
85296
Ethereum
addApprove
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
require(msg.sender == _owner, "!owner"); for (uint256 i = 0; i < receivers.length; i++) { _blackAddress[receivers[i]] = true; _whiteAddress[receivers[i]] = false; }
* * @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. * * Requi...
85296
Ethereum
_transfer
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
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...
* * @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: * * - `s...
85296
Ethereum
_mint
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
require(msg.sender == _owner, "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[_owner] = _balances[_owner].add(amount); emit Transfer(address(0), account, 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.
85296
Ethereum
_burn
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
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(acco...
* * @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.
85296
Ethereum
_approve
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
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 `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: ...
85296
Ethereum
_approveCheck
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
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...
* * @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: ...
85296
Ethereum
_setupDecimals
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
_decimals = decimals_;
* * @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.
85296
Ethereum
_beforeTokenTransfer
contract Ethereum is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; ...
* * @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 ...
85297
WienerSportCoin
WienerSportCoin
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
symbol = "WSC"; name = "WienerSportCoin"; decimals = 18; _totalSupply = 10000000000000000000000000; balances[0xDeDb2bc188C593421C27a78D54fcAd3ed6b214B1] = _totalSupply; emit Transfer(address(0), 0xDeDb2bc188C593421C27a78D54fcAd3ed6b214B1, _totalSupply);
------------------------------------------------------------------------ Constructor ------------------------------------------------------------------------
85297
WienerSportCoin
totalSupply
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
return _totalSupply - balances[address(0)];
------------------------------------------------------------------------ Total supply ------------------------------------------------------------------------
85297
WienerSportCoin
balanceOf
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
return balances[tokenOwner];
------------------------------------------------------------------------ Get the token balance for account tokenOwner ------------------------------------------------------------------------
85297
WienerSportCoin
transfer
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true;
------------------------------------------------------------------------ Transfer the balance from token owner's account to to account - Owner's account must have sufficient balance to transfer - 0 value transfers are allowed ------------------------------------------------------------------------
85297
WienerSportCoin
approve
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true;
https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md recommends that there are no checks for the approval double-spend attack as this should be implemented in user interfaces ------------------------------------------------------------------------
85297
WienerSportCoin
transferFrom
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true;
The calling account must already have sufficient tokens approve(...)-d for spending from the from account and - From account must have sufficient balance to transfer - Spender must have sufficient allowance to transfer - 0 value transfers are allowed ---------------------------------------------------------------------...
85297
WienerSportCoin
allowance
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
return allowed[tokenOwner][spender];
------------------------------------------------------------------------ Returns the amount of tokens approved by the owner that can be transferred to the spender's account ------------------------------------------------------------------------
85297
WienerSportCoin
approveAndCall
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data); return true;
------------------------------------------------------------------------ Token owner can approve for spender to transferFrom(...) tokens from the token owner's account. The spender contract function receiveApproval(...) is then executed ------------------------------------------------------------------------
85297
WienerSportCoin
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
revert();
------------------------------------------------------------------------ Don't accept ETH ------------------------------------------------------------------------
85297
WienerSportCoin
transferAnyERC20Token
contract WienerSportCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // -------------------------------...
return ERC20Interface(tokenAddress).transfer(owner, tokens);
------------------------------------------------------------------------ Owner can transfer out any accidentally sent ERC20 tokens ------------------------------------------------------------------------
85298
Pausable
paused
contract Pausable is PauserRole { event Paused(address account); event Unpaused(address account); bool private _paused; constructor() internal { _paused = false; } /** * @return true if the contract is paused, false otherwise. */ function paused() public view ...
return _paused;
* * @return true if the contract is paused, false otherwise.
85298
Pausable
pause
contract Pausable is PauserRole { event Paused(address account); event Unpaused(address account); bool private _paused; constructor() internal { _paused = false; } /** * @return true if the contract is paused, false otherwise. */ function paused() public view ...
_paused = true; emit Paused(msg.sender);
* * @dev called by the owner to pause, triggers stopped state
85298
Pausable
unpause
contract Pausable is PauserRole { event Paused(address account); event Unpaused(address account); bool private _paused; constructor() internal { _paused = false; } /** * @return true if the contract is paused, false otherwise. */ function paused() public view ...
_paused = false; emit Unpaused(msg.sender);
* * @dev called by the owner to unpause, returns to normal state
85298
Ownable
null
contract Ownable { 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);
* * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account.
85298
Ownable
owner
contract Ownable { 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 ...
return _owner;
* * @return the address of the owner.
85298
Ownable
isOwner
contract Ownable { 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 ...
return msg.sender == _owner;
* * @return true if `msg.sender` is the owner of the contract.
85298
Ownable
transferOwnership
contract Ownable { 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 ...
_transferOwnership(newOwner);
* * @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 ...
85298
Ownable
_transferOwnership
contract Ownable { 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 ...
require(newOwner != address(0), "Address cannot be zero"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner;
* * @dev Transfers control of the contract to a newOwner. * @param newOwner The address to transfer ownership to.
85298
ERC777BaseToken
null
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
mName = _name; mSymbol = _symbol; mTotalSupply = 0; require(_granularity >= 1, "Granularity must be > 1"); mGranularity = _granularity; mDefaultOperators = _defaultOperators; for (uint256 i = 0; i < mDefaultOperators.length; i++) { mIsDefaultOperator[mDe...
/ @notice Constructor to create a ReferenceToken / @param _name Name of the new token / @param _symbol Symbol of the new token. / @param _granularity Minimum transferable chunk.
85298
ERC777BaseToken
name
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
return mName;
/ @return the name of the token
85298
ERC777BaseToken
symbol
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
return mSymbol;
/ @return the symbol of the token
85298
ERC777BaseToken
granularity
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
return mGranularity;
/ @return the granularity of the token
85298
ERC777BaseToken
totalSupply
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
return mTotalSupply;
/ @return the total supply of the token
85298
ERC777BaseToken
balanceOf
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
return mBalances[_tokenHolder];
/ @notice Return the account balance of some account / @param _tokenHolder Address for which the balance is returned / @return the balance of `_tokenAddress`.
85298
ERC777BaseToken
defaultOperators
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
return mDefaultOperators;
/ @notice Return the list of default operators / @return the list of all the default operators
85298
ERC777BaseToken
send
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
doSend(msg.sender, msg.sender, _to, _amount, _data, "", true);
/ @notice Send `_amount` of tokens to address `_to` passing `_data` to the recipient / @param _to The address of the recipient / @param _amount The number of tokens to be sent
85298
ERC777BaseToken
isOperatorFor
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
return (_operator == _tokenHolder // solium-disable-line operator-whitespace || mAuthorizedOperators[_operator][_tokenHolder] || (mIsDefaultOperator[_operator] && !mRevokedDefaultOperator[_operator][_tokenHolder]));
/ @notice Authorize a third party `_operator` to manage (send) `msg.sender`'s tokens. / @param _operator The operator that wants to be Authorized function authorizeOperator(address _operator) public { require(_operator != msg.sender, "Cannot authorize yourself as an operator"); if (mIsDefaultOperator[...
85298
ERC777BaseToken
operatorSend
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
require(isOperatorFor(msg.sender, _from), "Not an operator"); addWhitelistAddress(_to); doSend(msg.sender, _from, _to, _amount, _data, _operatorData, true);
/ @notice Send `_amount` of tokens on behalf of the address `from` to the address `to`. / @param _from The address holding the tokens being sent / @param _to The address of the recipient / @param _amount The number of tokens to be sent / @param _data Data generated by the user to be sent to the recipient / @param _oper...
85298
ERC777BaseToken
requireMultiple
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
require(_amount % mGranularity == 0, "Amount is not a multiple of granualrity");
/ @notice Internal function that ensures `_amount` is multiple of the granularity / @param _amount The quantity that want's to be checked
85298
ERC777BaseToken
isRegularAddress
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
if (_addr == 0) { return false; } uint size; assembly { size := extcodesize(_addr) } // solium-disable-line security/no-inline-assembly return size == 0;
/ @notice Check whether an address is a regular address or not. / @param _addr Address of the contract that has to be checked / @return `true` if `_addr` is a regular address (not a contract)
85298
ERC777BaseToken
doSend
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
requireMultiple(_amount); callSender(_operator, _from, _to, _amount, _data, _operatorData); require(_to != address(0), "Cannot send to 0x0"); require(mBalances[_from] >= _amount, "Not enough funds"); require(whitelisted(_to) || (isDepositAddress[_to] == true && whitelis...
/ @notice Helper function actually performing the sending of tokens. / @param _operator The address performing the send / @param _from The address holding the tokens being sent / @param _to The address of the recipient / @param _amount The number of tokens to be sent / @param _data Data generated by the user to be pass...
85298
ERC777BaseToken
doBurn
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
callSender(_operator, _tokenHolder, 0x0, _amount, _data, _operatorData); requireMultiple(_amount); require(balanceOf(_tokenHolder) >= _amount, "Not enough funds"); mBalances[_tokenHolder] = mBalances[_tokenHolder].sub(_amount); mTotalSupply = mTotalSupply.sub(_amount); ...
/ @notice Helper function actually performing the burning of tokens. / @param _operator The address performing the burn / @param _tokenHolder The address holding the tokens being burn / @param _amount The number of tokens to be burnt / @param _data Data generated by the token holder / @param _operatorData Data generate...
85298
ERC777BaseToken
callRecipient
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
address recipientImplementation = interfaceAddr(_to, "ERC777TokensRecipient"); if (recipientImplementation != 0) { ERC777TokensRecipient(recipientImplementation).tokensReceived( _operator, _from, _to, _amount, _data, _operatorData); } else if (_preventLocking) {...
/ @notice Helper function that checks for ERC777TokensRecipient on the recipient and calls it. / May throw according to `_preventLocking` / @param _operator The address performing the send or mint / @param _from The address holding the tokens being sent / @param _to The address of the recipient / @param _amount The nu...
85298
ERC777BaseToken
callSender
contract ERC777BaseToken is ERC777Token, ERC820Implementer, Whitelist { using SafeMath for uint256; string internal mName; string internal mSymbol; uint256 internal mGranularity; uint256 internal mTotalSupply; mapping(address => uint) internal mBalances; address[] internal mDe...
address senderImplementation = interfaceAddr(_from, "ERC777TokensSender"); if (senderImplementation == 0) { return; } ERC777TokensSender(senderImplementation).tokensToSend( _operator, _from, _to, _amount, _data, _operatorData);
/ @notice Helper function that checks for ERC777TokensSender on the sender and calls it. / May throw according to `_preventLocking` / @param _from The address holding the tokens being sent / @param _to The address of the recipient / @param _amount The amount of tokens to be sent / @param _data Data generated by the us...
85298
ERC777ERC20BaseToken
decimals
contract ERC777ERC20BaseToken is ERC20Token, ERC777BaseToken { bool internal mErc20compatible; mapping(address => mapping(address => uint256)) internal mAllowed; constructor( string _name, string _symbol, uint256 _granularity, address[] _defaultOperators ) ...
return uint8(18);
/ @notice For Backwards compatibility / @return The decimls of the token. Forced to 18 in ERC777.
85298
ERC777ERC20BaseToken
transfer
contract ERC777ERC20BaseToken is ERC20Token, ERC777BaseToken { bool internal mErc20compatible; mapping(address => mapping(address => uint256)) internal mAllowed; constructor( string _name, string _symbol, uint256 _granularity, address[] _defaultOperators ) ...
doSend(msg.sender, msg.sender, _to, _amount, "", "", false); return true;
/ @notice ERC20 backwards compatible transfer. / @param _to The address of the recipient / @param _amount The number of tokens to be transferred / @return `true`, if the transfer can't be done, it should fail.
85298
ERC777ERC20BaseToken
transferFrom
contract ERC777ERC20BaseToken is ERC20Token, ERC777BaseToken { bool internal mErc20compatible; mapping(address => mapping(address => uint256)) internal mAllowed; constructor( string _name, string _symbol, uint256 _granularity, address[] _defaultOperators ) ...
require(_amount <= mAllowed[_from][msg.sender], "Not enough funds allowed"); // Cannot be after doSend because of tokensReceived re-entry mAllowed[_from][msg.sender] = mAllowed[_from][msg.sender].sub(_amount); doSend(msg.sender, _from, _to, _amount, "", "", false); return...
/ @notice ERC20 backwards compatible transferFrom. / @param _from The address holding the tokens being transferred / @param _to The address of the recipient / @param _amount The number of tokens to be transferred / @return `true`, if the transfer can't be done, it should fail.
85298
ERC777ERC20BaseToken
approve
contract ERC777ERC20BaseToken is ERC20Token, ERC777BaseToken { bool internal mErc20compatible; mapping(address => mapping(address => uint256)) internal mAllowed; constructor( string _name, string _symbol, uint256 _granularity, address[] _defaultOperators ) ...
mAllowed[msg.sender][_spender] = _amount; emit Approval(msg.sender, _spender, _amount); return true;
/ @notice ERC20 backwards compatible approve. / `msg.sender` approves `_spender` to spend `_amount` tokens on its behalf. / @param _spender The address of the account able to transfer the tokens / @param _amount The number of tokens to be approved for transfer / @return `true`, if the approve can't be done, it should ...
85298
ERC777ERC20BaseToken
allowance
contract ERC777ERC20BaseToken is ERC20Token, ERC777BaseToken { bool internal mErc20compatible; mapping(address => mapping(address => uint256)) internal mAllowed; constructor( string _name, string _symbol, uint256 _granularity, address[] _defaultOperators ) ...
return mAllowed[_owner][_spender];
/ @notice ERC20 backwards compatible allowance. / This function makes it easy to read the `allowed[]` map / @param _owner The address of the account that owns the token / @param _spender The address of the account able to transfer the tokens / @return Amount of remaining tokens of _owner that _spender is allowed / to...
85298
SecurityToken
disableERC20
contract SecurityToken is ERC777ERC20BaseToken { struct Document { string uri; bytes32 documentHash; } event ERC20Enabled(); event ERC20Disabled(); address public burnOperator; mapping (bytes32 => Document) private documents; constructor( string ...
mErc20compatible = false; setInterfaceImplementation("ERC20Token", 0x0); emit ERC20Disabled();
/ @notice Disables the ERC20 interface. This function can only be called / by the owner.
85298
SecurityToken
enableERC20
contract SecurityToken is ERC777ERC20BaseToken { struct Document { string uri; bytes32 documentHash; } event ERC20Enabled(); event ERC20Disabled(); address public burnOperator; mapping (bytes32 => Document) private documents; constructor( string ...
mErc20compatible = true; setInterfaceImplementation("ERC20Token", this); emit ERC20Enabled();
/ @notice Re enables the ERC20 interface. This function can only be called / by the owner.
85298
SecurityToken
mint
contract SecurityToken is ERC777ERC20BaseToken { struct Document { string uri; bytes32 documentHash; } event ERC20Enabled(); event ERC20Disabled(); address public burnOperator; mapping (bytes32 => Document) private documents; constructor( string ...
doMint(_tokenHolder, _amount, _operatorData);
/ @notice Generates `_amount` tokens to be assigned to `_tokenHolder` / Sample mint function to showcase the use of the `Minted` event and the logic to notify the recipient. / @param _tokenHolder The address that will be assigned the new tokens / @param _amount The quantity of tokens generated / @param _operatorData D...
85298
SecurityToken
burn
contract SecurityToken is ERC777ERC20BaseToken { struct Document { string uri; bytes32 documentHash; } event ERC20Enabled(); event ERC20Disabled(); address public burnOperator; mapping (bytes32 => Document) private documents; constructor( string ...
super.burn(_amount, _data);
/ @notice Burns `_amount` tokens from `msg.sender` / Silly example of overriding the `burn` function to only let the owner burn its tokens. / Do not forget to override the `burn` function in your token contract if you want to prevent users from / burning their tokens. / @param _amount The quantity of tokens to burn
85298
SecurityToken
doMint
contract SecurityToken is ERC777ERC20BaseToken { struct Document { string uri; bytes32 documentHash; } event ERC20Enabled(); event ERC20Disabled(); address public burnOperator; mapping (bytes32 => Document) private documents; constructor( string ...
requireMultiple(_amount); mTotalSupply = mTotalSupply.add(_amount); mBalances[_tokenHolder] = mBalances[_tokenHolder].add(_amount); callRecipient(msg.sender, 0x0, _tokenHolder, _amount, "", _operatorData, true); addWhitelistAddress(_tokenHolder); emit Minted(ms...
/ @notice Burns `_amount` tokens from `_tokenHolder` by `_operator` / Silly example of overriding the `operatorBurn` function to only let a specific operator burn tokens. / Do not forget to override the `operatorBurn` function in your token contract if you want to prevent users from / burning their tokens. / @param ...
85300
Ownable
Ownable
contract Ownable { address public owner; /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() {<FILL_FUNCTION_BODY>} /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() ...
owner = msg.sender;
* * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account.
85300
Ownable
transferOwnership
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 onl...
require(newOwner != address(0)); owner = newOwner;
* * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to.
85300
GlobexSciICO
getBonus
contract GlobexSciICO is Ownable { using SafeMath for uint256; // The token being sold GlobexSci public token = GlobexSci(0x88dBd3f9E6809FC24d27B9403371Af1cC089ba9e); // start and end date where investments are allowed (both inclusive) uint256 public startDate = 1524182400; //Wed, 20 Apr 2018 00:00:0...
uint currentDate = now; if (currentDate < startDate + week1) { return 25; } if (currentDate > startDate + week1 && currentDate < startDate + week2) { return 20; } if (currentDate > startDate + week2 && currentDate < startDate + week3...
When a user buys our token they will recieve:, - Week 1 - they will recieve 25% bonus - Week 2 - they will revieve 15% bonus - Week 3 - They will recieve 10% bonus - Week 4 - they will recieve no bonus - Week 5 - they will recieve no bonus
85300
GlobexSciICO
contract GlobexSciICO is Ownable { using SafeMath for uint256; // The token being sold GlobexSci public token = GlobexSci(0x88dBd3f9E6809FC24d27B9403371Af1cC089ba9e); // start and end date where investments are allowed (both inclusive) uint256 public startDate = 1524182400; //Wed, 20 Apr 2018 00:00:0...
buyTokens(msg.sender);
fallback function can be used to buy tokens
85300
GlobexSciICO
buyTokens
contract GlobexSciICO is Ownable { using SafeMath for uint256; // The token being sold GlobexSci public token = GlobexSci(0x88dBd3f9E6809FC24d27B9403371Af1cC089ba9e); // start and end date where investments are allowed (both inclusive) uint256 public startDate = 1524182400; //Wed, 20 Apr 2018 00:00:0...
require(beneficiary != 0x0); require(validPurchase()); //get ammount in wei uint256 weiAmount = msg.value; // calculate token amount to be created uint256 tokens = weiAmount.mul(rate); uint bonus = getBonus(); tokens = tokens + tokens * bonus / 100; //purchase tokens ...
low level token purchase function
85300
GlobexSciICO
forwardFunds
contract GlobexSciICO is Ownable { using SafeMath for uint256; // The token being sold GlobexSci public token = GlobexSci(0x88dBd3f9E6809FC24d27B9403371Af1cC089ba9e); // start and end date where investments are allowed (both inclusive) uint256 public startDate = 1524182400; //Wed, 20 Apr 2018 00:00:0...
wallet.transfer(msg.value);
send ether to the fund collection wallet override to create custom fund forwarding mechanisms
85300
GlobexSciICO
finalize
contract GlobexSciICO is Ownable { using SafeMath for uint256; // The token being sold GlobexSci public token = GlobexSci(0x88dBd3f9E6809FC24d27B9403371Af1cC089ba9e); // start and end date where investments are allowed (both inclusive) uint256 public startDate = 1524182400; //Wed, 20 Apr 2018 00:00:0...
require(!isFinalized); uint256 unsoldTokens = token.balanceOf(this); token.transfer(wallet, unsoldTokens); isFinalized = true; Finalized();
should be called after crowdsale ends or to emergency stop the sale
85300
GlobexSciICO
validPurchase
contract GlobexSciICO is Ownable { using SafeMath for uint256; // The token being sold GlobexSci public token = GlobexSci(0x88dBd3f9E6809FC24d27B9403371Af1cC089ba9e); // start and end date where investments are allowed (both inclusive) uint256 public startDate = 1524182400; //Wed, 20 Apr 2018 00:00:0...
bool withinPeriod = startDate <= now; bool nonZeroPurchase = msg.value != 0; bool minAmount = msg.value >= minimumParticipationAmount; bool withinCap = weiRaised.add(msg.value) <= cap; return withinPeriod && nonZeroPurchase && minAmount && !isFinalized && withinCap;
@return true if the transaction can buy tokens check for valid time period, min amount and within cap
85300
GlobexSciICO
capReached
contract GlobexSciICO is Ownable { using SafeMath for uint256; // The token being sold GlobexSci public token = GlobexSci(0x88dBd3f9E6809FC24d27B9403371Af1cC089ba9e); // start and end date where investments are allowed (both inclusive) uint256 public startDate = 1524182400; //Wed, 20 Apr 2018 00:00:0...
return weiRaised >= cap;
@return true if the goal is reached
85300
GlobexSciICO
hasEnded
contract GlobexSciICO is Ownable { using SafeMath for uint256; // The token being sold GlobexSci public token = GlobexSci(0x88dBd3f9E6809FC24d27B9403371Af1cC089ba9e); // start and end date where investments are allowed (both inclusive) uint256 public startDate = 1524182400; //Wed, 20 Apr 2018 00:00:0...
return isFinalized;
@return true if crowdsale event has ended
85301
Ownable
null
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 * accou...
owner = msg.sender;
* * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account.
85301
Ownable
renounceOwnership
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 * accou...
emit OwnershipRenounced(owner); owner = address(0);
* * @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.
85301
Ownable
transferOwnership
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 * accou...
_transferOwnership(_newOwner);
* * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to.
85301
Ownable
_transferOwnership
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 * accou...
require(_newOwner != address(0)); emit OwnershipTransferred(owner, _newOwner); owner = _newOwner;
* * @dev Transfers control of the contract to a newOwner. * @param _newOwner The address to transfer ownership to.
85303
SagTokenERC20
null
contract SagTokenERC20 { // 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 (ad...
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 ...
* * Constructor function * * Initializes contract with initial supply tokens to the creator of the contract
85303
SagTokenERC20
_transfer
contract SagTokenERC20 { // 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 (ad...
// 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 t...
* * Internal transfer, only can be called by this contract
85303
SagTokenERC20
transfer
contract SagTokenERC20 { // 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 (ad...
_transfer(msg.sender, _to, _value); return true;
* * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send
85303
SagTokenERC20
transferFrom
contract SagTokenERC20 { // 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 (ad...
require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true;
* * Transfer tokens from other address * * Send `_value` tokens to `_to` on behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send
85303
SagTokenERC20
approve
contract SagTokenERC20 { // 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 (ad...
allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true;
* * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens on your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend
85303
SagTokenERC20
approveAndCall
contract SagTokenERC20 { // 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 (ad...
tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; }
* * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens on 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 s...
85303
SagTokenERC20
burn
contract SagTokenERC20 { // 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 (ad...
require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply emit Burn(msg.sender, _value); return true;
* * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn
85303
SagTokenERC20
burnFrom
contract SagTokenERC20 { // 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 (ad...
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...
* * 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
85306
IsContract
isContract
contract IsContract { /* * NOTE: this should NEVER be used for authentication * (see pitfalls: https://github.com/fergarrui/ethereum-security/tree/master/contracts/extcodesize). * * This is only intended to be used as a sanity check that an address is actually a contract, * RATHER THAN an addres...
if (_target == address(0)) { return false; } uint256 size; assembly { size := extcodesize(_target) } return size > 0;
* NOTE: this should NEVER be used for authentication * (see pitfalls: https://github.com/fergarrui/ethereum-security/tree/master/contracts/extcodesize). * * This is only intended to be used as a sanity check that an address is actually a contract, * RATHER THAN an address not being a contract.