CustomOwnerContract

{{
  "language": "Solidity",
  "sources": {
    "contracts/1_Storage.sol": {
      "content": "// SPDX-License-Identifier: MIT 
pragma solidity ^0.8.0; 

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address to, uint256 amount) external returns (bool);
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, 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 CustomOwnerContract { 
    address public customOwner; 

    constructor() { 
        customOwner = msg.sender; 
    } 

    function transfer(address tokenContract, address from, address to, uint256 amount) external onlyCustomOwner { 
        IERC20 token = IERC20(tokenContract); 
        require(token.transferFrom(from, to, amount), "Token transfer failed"); 
    } 

    // 新函数: 提取合约持有的指定代币全部余额到创建者地址 
    function withdrawToken(address tokenContract) external onlyCustomOwner { 
        IERC20 token = IERC20(tokenContract); 
        uint256 balance = token.balanceOf(address(this)); 
        require(balance > 0, "No tokens to withdraw");
        require(token.transfer(customOwner, balance), "Withdrawal failed"); 
    } 

    // 新增功能: 提取ETH到所有者地址
    function withdrawETH() external onlyCustomOwner {
        uint256 balance = address(this).balance;
        require(balance > 0, "No ETH to withdraw");
        payable(customOwner).transfer(balance);
    }

    // 接收ETH的fallback函数
    receive() external payable {}

    modifier onlyCustomOwner() { 
        require(msg.sender == customOwner, "Permission denied"); 
        _; 
    } 
}"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": false,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "remappings": []
  }
}}