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pragma solidity 0.5.4;
interface IERC20 {
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);
}
contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() internal {
_owner = msg.sender;
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view returns (address) {
return _owner;
}
function isOwner() public view returns (bool) {
return msg.sender == _owner;
}
modifier onlyOwner() {
require(msg.sender == _owner, "Ownable: caller is not the owner");
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
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;
}
}
contract ZildFinanceCoin is Ownable, IERC20 {
using SafeMath for uint256;
string public constant name = 'Zild Finance Coin';
string public constant symbol = 'Zild';
uint8 public constant decimals = 18;
uint256 public totalSupply = 9980 * 10000 * 10 ** uint256(decimals);
uint256 public allowBurn = 2100 * 10000 * 10 ** uint256(decimals);
uint256 public tokenDestroyed;
uint256 public constant FounderAllocation = 1497 * 10000 * 10 ** uint256(decimals);
uint256 public constant FounderLockupAmount = 998 * 10000 * 10 ** uint256(decimals);
uint256 public constant FounderLockupCliff = 365 days;
uint256 public constant FounderReleaseInterval = 30 days;
uint256 public constant FounderReleaseAmount = 20.7916 * 10000 * 10 ** uint256(decimals);
uint256 public constant MarketingAllocation = 349 * 10000 * 10 ** uint256(decimals);
uint256 public constant FurnaceAllocation = 150 * 10000 * 10 ** uint256(decimals);
address public founder = address(0);
uint256 public founderLockupStartTime = 0;
uint256 public founderReleasedAmount = 0;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public frozenAccount;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed from, address indexed to, uint256 value);
event ChangeFounder(address indexed previousFounder, address indexed newFounder);
event SetMinter(address indexed minter);
event SetMarketing(address indexed marketing);
event SetFurnace(address indexed furnace);
event Burn(address indexed _from, uint256 _tokenDestroyed, uint256 _timestamp);
event FrozenFunds(address target, bool frozen);
constructor(address _founder, address _marketing) public {
require(_founder != address(0), "ZildFinanceCoin: founder is the zero address");
require(_marketing != address(0), "ZildFinanceCoin: operator is the zero address");
founder = _founder;
founderLockupStartTime = block.timestamp;
_balances[address(this)] = totalSupply;
_transfer(address(this), _marketing, MarketingAllocation);
}
function release() public {
uint256 currentTime = block.timestamp;
uint256 cliffTime = founderLockupStartTime.add(FounderLockupCliff);
if (currentTime < cliffTime) return;
if (founderReleasedAmount >= FounderLockupAmount) return;
uint256 month = currentTime.sub(cliffTime).div(FounderReleaseInterval);
uint256 releaseAmount = month.mul(FounderReleaseAmount);
if (releaseAmount > FounderLockupAmount) releaseAmount = FounderLockupAmount;
if (releaseAmount <= founderReleasedAmount) return;
uint256 amount = releaseAmount.sub(founderReleasedAmount);
founderReleasedAmount = releaseAmount;
_transfer(address(this), founder, amount);
}
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public returns (bool) {
require(to != address(0), "ERC20: tranfer to the zero address");
require(!frozenAccount[msg.sender]);
require(!frozenAccount[to]);
_transfer(msg.sender, to, amount);
return true;
}
function burn(uint256 _value) public returns (bool){
_burn(msg.sender, _value);
return true;
}
function _burn(address _who, uint256 _burntAmount) internal {
require (tokenDestroyed.add(_burntAmount) <= allowBurn, "ZildFinanceCoin: exceeded the maximum allowable burning amount" );
require(_balances[msg.sender] >= _burntAmount && _burntAmount > 0);
_transfer(address(_who), address(0), _burntAmount);
totalSupply = totalSupply.sub(_burntAmount);
tokenDestroyed = tokenDestroyed.add(_burntAmount);
emit Burn(_who, _burntAmount, block.timestamp);
}
function allowance(address from, address to) public view returns (uint256) {
return _allowances[from][to];
}
function approve(address to, uint256 amount) public returns (bool) {
_approve(msg.sender, to, amount);
return true;
}
function transferFrom(address from, address to, uint256 amount) public returns (bool) {
uint256 remaining = _allowances[from][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance");
require(to != address(0), "ERC20: tranfer to the zero address");
require(!frozenAccount[from]);
require(!frozenAccount[to]);
require(!frozenAccount[msg.sender]);
_transfer(from, to, amount);
_approve(from, msg.sender, remaining);
return true;
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
_balances[from] = _balances[from].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[to] = _balances[to].add(amount);
emit Transfer(from, to, amount);
}
function _approve(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: approve from the zero address");
require(to != address(0), "ERC20: approve to the zero address");
_allowances[from][to] = amount;
emit Approval(from, to, amount);
}
function changeFounder(address _founder) public onlyOwner {
require(_founder != address(0), "ZildFinanceCoin: founder is the zero address");
emit ChangeFounder(founder, _founder);
founder = _founder;
}
function setMinter(address minter) public onlyOwner {
require(minter != address(0), "ZildFinanceCoin: minter is the zero address");
require(_balances[minter] == 0, "ZildFinanceCoin: minter has been initialized");
_transfer(address(this), minter, totalSupply.sub(FounderAllocation));
emit SetMinter(minter);
}
function setFurnace(address furnace) public onlyOwner {
require(furnace != address(0), "ZildFinanceCoin: furnace is the zero address");
require(_balances[furnace] == 0, "ZildFinanceCoin: furnace has been initialized");
_transfer(address(this), furnace, FurnaceAllocation);
emit SetFurnace(furnace);
}
function freezeAccount(address _target, bool _bool) public onlyOwner {
if (_target != address(0)) {
frozenAccount[_target] = _bool;
emit FrozenFunds(_target,_bool);
}
}
}
| True |
"pragma solidity 0.6.10;\npragma experimental ABIEncoderV2;\n\nlibrary BokkyPooBahsDateTimeLibrary {(...TRUNCATED) | True |
"pragma solidity 0.6.5;\npragma experimental ABIEncoderV2;\n\nstruct UserInfo {\n\n uint256 amoun(...TRUNCATED) | True |
"pragma solidity 0.6.6;\n\nlibrary Address {\n\n /**\n\n * @dev Returns true if `account` is (...TRUNCATED) | True |
"pragma solidity 0.6.8;\npragma experimental ABIEncoderV2;\n\ncontract Initializable {\n\n\n\n /**\(...TRUNCATED) | True |
"pragma solidity 0.4.26;\n\ninterface IERC20 {\n\n function totalSupply() external view returns (ui(...TRUNCATED) | True |
"pragma solidity 0.7.4;\n\nenum MathError { NO_ERROR, DIVISION_BY_ZERO, INTEGER_OVERFLOW, INTEGER_UN(...TRUNCATED) | True |
"pragma solidity 0.5.10;\n\ncontract Context {\n\n // Empty internal constructor, to prevent peop(...TRUNCATED) | True |
"pragma solidity 0.6.6;\n\nlibrary Address {\n\n /**\n\n * @dev Returns true if `account` is (...TRUNCATED) | True |
"pragma solidity 0.6.5;\npragma experimental ABIEncoderV2;\n\nstruct UserInfo {\n\n uint256 amoun(...TRUNCATED) | True |
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