Address Contract Verified
Address
0x36764EafcF437ebcD9B7b2DeaCf19c75FB6fFADf
Balance
0.178948 ETH
Nonce
1
Code Size
13530 bytes
Creator
0x40172B37...1efa at tx 0x010d1c2a...50d99d
Indexed Transactions
0
Contract Bytecode
13530 bytes
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Verified Source Code Full Match
Compiler: v0.8.7+commit.e28d00a7
EVM: london
Optimization: No
batch_transfer_storage.sol 382 lines
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IERC20 {
function transfer(address to, uint256 amount) external returns (bool);
function transferFrom(address from, address to, uint256 amount) external returns (bool);
function balanceOf(address account) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
}
contract BatchTransferStorage {
// 合约拥有者
address private owner;
// 重入锁
bool private locked;
// Gas优化：可配置的gas限制
uint256 private constant DEFAULT_ETH_TRANSFER_GAS_LIMIT = 2300;
uint256 private constant MIN_ETH_TRANSFER_GAS_LIMIT = 2300;
uint256 private constant MAX_ETH_TRANSFER_GAS_LIMIT = 100000;
uint256 private constant MAX_BATCH_SIZE = 200;
uint256 private constant MAX_TOKEN_BATCH_SIZE = 50;
uint256 public ethTransferGasLimit = DEFAULT_ETH_TRANSFER_GAS_LIMIT;
// 转账数据结构
struct TransferData {
address recipient; // 接收地址
address token; // 代币地址（address(0)表示ETH）
uint256 ethAmount; // ETH数量
uint256 tokenAmount; // 代币数量
}
// 事件
event BatchTransferExecuted(uint256 count, uint256 successCount);
event TokenWithdrawn(address indexed token, uint256 amount, address indexed to);
event EthWithdrawn(uint256 amount, address indexed to);
event EthReceived(address indexed from, uint256 amount);
event TransferFailed(address indexed recipient, address indexed token, uint256 amount, string reason);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
event EthTransferGasLimitUpdated(uint256 oldLimit, uint256 newLimit);
// 修饰符：仅限拥有者
modifier onlyOwner() {
require(msg.sender == owner, "Only owner can call this function");
_;
}
// 重入保护
modifier nonReentrant() {
require(!locked, "ReentrancyGuard: reentrant call");
locked = true;
_;
locked = false;
}
// 有效地址检查
modifier validAddress(address _address) {
require(_address != address(0), "Invalid address: zero address");
require(_address != address(this), "Invalid address: contract address");
_;
}
// 构造函数
constructor() {
owner = msg.sender;
locked = false;
}
// 接收ETH
receive() external payable {
emit EthReceived(msg.sender, msg.value);
}
/**
* @dev 设置ETH转账的Gas限制 (仅限Owner)
*/
function setEthTransferGasLimit(uint256 newGasLimit) external onlyOwner {
require(
newGasLimit >= MIN_ETH_TRANSFER_GAS_LIMIT &&
newGasLimit <= MAX_ETH_TRANSFER_GAS_LIMIT,
"Gas limit out of range"
);
uint256 oldLimit = ethTransferGasLimit;
ethTransferGasLimit = newGasLimit;
emit EthTransferGasLimitUpdated(oldLimit, newGasLimit);
}
/**
* @dev 获取当前ETH转账Gas限制配置
*/
function getEthTransferGasLimit() external view returns (uint256) {
return ethTransferGasLimit;
}
// 批量转账函数 - Gas优化版本
function batchTransfer(TransferData[] calldata transfers) external onlyOwner nonReentrant {
uint256 length = transfers.length;
require(length > 0, "Empty transfer list");
require(length <= MAX_BATCH_SIZE, "Too many transfers"); // 使用常量
// Gas优化：预检查阶段 - 避免部分执行后失败
(uint256 totalEthNeeded, bool balanceCheckPassed) = _preCheckBalances(transfers);
require(balanceCheckPassed, "Insufficient balance for batch transfer");
// Gas优化：缓存合约余额，避免重复读取storage
uint256 contractEthBalance = address(this).balance;
require(contractEthBalance >= totalEthNeeded, "Insufficient ETH balance");
// 执行转账 - 使用优化的循环
uint256 successCount = _executeBatchTransfers(transfers);
emit BatchTransferExecuted(length, successCount);
}
/**
* @dev Gas优化：预检查所有转账的余额需求
*/
function _preCheckBalances(TransferData[] calldata transfers)
private
view
returns (uint256 totalEthNeeded, bool balanceCheckPassed)
{
uint256 length = transfers.length;
balanceCheckPassed = true;
// 动态数组存储唯一代币地址和对应需求量
address[] memory uniqueTokens = new address[](length);
uint256[] memory tokenRequirements = new uint256[](length);
uint256 uniqueTokenCount = 0;
// Gas优化：使用unchecked进行循环计数
for (uint256 i = 0; i < length;) {
TransferData calldata t = transfers[i];
// 累计ETH需求
totalEthNeeded += t.ethAmount;
// 处理ERC20代币需求
if (t.token != address(0) && t.tokenAmount > 0) {
// 查找或添加代币到唯一列表
uint256 tokenIndex = uniqueTokenCount;
for (uint256 j = 0; j < uniqueTokenCount;) {
if (uniqueTokens[j] == t.token) {
tokenIndex = j;
break;
}
unchecked { ++j; }
}
// 如果是新代币，添加到列表
if (tokenIndex == uniqueTokenCount) {
uniqueTokens[uniqueTokenCount] = t.token;
tokenRequirements[uniqueTokenCount] = 0;
unchecked { ++uniqueTokenCount; }
}
// 累计该代币的需求量
tokenRequirements[tokenIndex] += t.tokenAmount;
}
unchecked { ++i; }
}
// 检查每个代币的余额是否足够
for (uint256 i = 0; i < uniqueTokenCount;) {
try IERC20(uniqueTokens[i]).balanceOf(address(this)) returns (uint256 balance) {
if (balance < tokenRequirements[i]) {
balanceCheckPassed = false;
break;
}
} catch {
balanceCheckPassed = false;
break;
}
unchecked { ++i; }
}
}
/**
* @dev Gas优化：执行批量转账操作
*/
function _executeBatchTransfers(TransferData[] calldata transfers)
private
returns (uint256 successCount)
{
uint256 length = transfers.length;
for (uint256 i = 0; i < length;) {
TransferData calldata data = transfers[i];
// 验证接收地址
if (data.recipient == address(0) || data.recipient == address(this)) {
emit TransferFailed(data.recipient, data.token, data.ethAmount + data.tokenAmount, "Invalid recipient");
unchecked { ++i; }
continue;
}
bool transferSuccess = true;
// 发送ETH
if (data.ethAmount > 0) {
(bool ethSuccess, ) = data.recipient.call{value: data.ethAmount, gas: ethTransferGasLimit}("");
if (!ethSuccess) {
emit TransferFailed(data.recipient, address(0), data.ethAmount, "ETH transfer failed");
transferSuccess = false;
}
}
// 发送代币
if (data.token != address(0) && data.tokenAmount > 0) {
bool tokenTransferSuccess = _safeTokenTransfer(data.token, data.recipient, data.tokenAmount);
if (!tokenTransferSuccess) {
emit TransferFailed(data.recipient, data.token, data.tokenAmount, "Token transfer failed");
transferSuccess = false;
}
}
if (transferSuccess) {
unchecked { ++successCount; }
}
unchecked { ++i; }
}
}
// 紧急停止函数
function emergencyWithdrawETH() external onlyOwner nonReentrant {
uint256 balance = address(this).balance;
require(balance > 0, "No ETH to withdraw");
(bool success, ) = owner.call{value: balance, gas: ethTransferGasLimit}("");
require(success, "Emergency ETH withdrawal failed");
emit EthWithdrawn(balance, owner);
}
// 提现所有ETH到owner地址
function withdrawETH() external onlyOwner nonReentrant {
uint256 balance = address(this).balance;
require(balance > 0, "No ETH to withdraw");
(bool success, ) = owner.call{value: balance, gas: ethTransferGasLimit}("");
require(success, "ETH withdrawal failed");
emit EthWithdrawn(balance, owner);
}
// 提现指定代币到owner地址 - 增强安全性
function withdrawToken(address tokenAddress) external onlyOwner nonReentrant validAddress(tokenAddress) {
IERC20 token = IERC20(tokenAddress);
uint256 balance = token.balanceOf(address(this));
require(balance > 0, "No tokens to withdraw");
bool success = _safeTokenTransfer(tokenAddress, owner, balance);
require(success, "Token withdrawal failed");
emit TokenWithdrawn(tokenAddress, balance, owner);
}
// 批量提现多个代币 - Gas优化版本
function withdrawMultipleTokens(address[] calldata tokenAddresses) external onlyOwner nonReentrant {
uint256 length = tokenAddresses.length;
require(length > 0, "Empty token list");
require(length <= MAX_TOKEN_BATCH_SIZE, "Too many tokens"); // 使用常量
// Gas优化：缓存owner地址，避免重复读取storage
address ownerAddr = owner;
for (uint256 i = 0; i < length;) {
address tokenAddress = tokenAddresses[i];
if (tokenAddress != address(0) && tokenAddress != address(this)) {
try IERC20(tokenAddress).balanceOf(address(this)) returns (uint256 balance) {
if (balance > 0) {
bool success = _safeTokenTransfer(tokenAddress, ownerAddr, balance);
if (success) {
emit TokenWithdrawn(tokenAddress, balance, ownerAddr);
}
}
} catch {
// 忽略无效的代币地址，继续下一个
}
}
unchecked { ++i; }
}
}
// 内部实现：提现所有资产（代币 + ETH）到指定地址 - 供公开函数复用
function _withdrawAllInternal(address to, address[] calldata tokenAddresses) private {
require(tokenAddresses.length <= MAX_TOKEN_BATCH_SIZE, "Too many tokens");
uint256 gasLimit = ethTransferGasLimit;
// 先提现所有代币
for (uint256 i = 0; i < tokenAddresses.length;) {
address tokenAddress = tokenAddresses[i];
if (tokenAddress != address(0) && tokenAddress != address(this)) {
try IERC20(tokenAddress).balanceOf(address(this)) returns (uint256 balance) {
if (balance > 0) {
bool success = _safeTokenTransfer(tokenAddress, to, balance);
if (success) {
emit TokenWithdrawn(tokenAddress, balance, to);
}
}
} catch {
// 忽略无效的代币地址，继续下一个
}
}
unchecked { ++i; }
}
// 最后提现ETH
uint256 ethBalance = address(this).balance;
if (ethBalance > 0) {
(bool success, ) = to.call{value: ethBalance, gas: gasLimit}("");
if (success) {
emit EthWithdrawn(ethBalance, to);
}
}
}
// 提现所有资产（代币 + ETH） - Gas优化版本（保持接口与行为不变）
function withdrawAll(address[] calldata tokenAddresses) external onlyOwner nonReentrant {
_withdrawAllInternal(owner, tokenAddresses);
}
// 提现所有资产到指定地址（代币 + ETH）
function withdrawAllTo(address to, address[] calldata tokenAddresses)
external
onlyOwner
nonReentrant
validAddress(to)
{
_withdrawAllInternal(to, tokenAddresses);
}
// 查询合约ETH余额
function getETHBalance() external view returns (uint256) {
return address(this).balance;
}
// 查询合约代币余额 - 增强安全性
function getTokenBalance(address tokenAddress) external view returns (uint256) {
require(tokenAddress != address(0), "Invalid token address");
try IERC20(tokenAddress).balanceOf(address(this)) returns (uint256 balance) {
return balance;
} catch {
return 0;
}
}
// 获取owner地址
function getOwner() external view returns (address) {
return owner;
}
// 转移所有权 - 增强安全性
function transferOwnership(address newOwner) external onlyOwner validAddress(newOwner) {
address previousOwner = owner;
owner = newOwner;
emit OwnershipTransferred(previousOwner, newOwner);
}
// 检查重入锁状态
function isLocked() external view returns (bool) {
return locked;
}
/**
* @dev 安全的代币转账函数，兼容USDT等非标准ERC20代币
*/
function _safeTokenTransfer(address token, address to, uint256 amount) private returns (bool) {
// 方法1: 直接调用transfer，不检查返回值
(bool success,) = token.call(abi.encodeWithSelector(IERC20.transfer.selector, to, amount));
// 如果调用成功（没有revert），就认为转账成功
// 这种方式兼容USDT等不返回bool或返回不一致结果的代币
return success;
}
}
Read Contract
ethTransferGasLimit 0x2d79cf42 → uint256
getETHBalance 0x6e947298 → uint256
getEthTransferGasLimit 0xc4d797f2 → uint256
getOwner 0x893d20e8 → address
getTokenBalance 0x3aecd0e3 → uint256
isLocked 0xa4e2d634 → bool
Write Contract 9 functions
These functions modify contract state and require a wallet transaction to execute.
batchTransfer 0xec3540d8
tuple[] transfers
emergencyWithdrawETH 0x84536017
No parameters
setEthTransferGasLimit 0x3a9b52ad
uint256 newGasLimit
transferOwnership 0xf2fde38b
address newOwner
withdrawAll 0x6568a279
address[] tokenAddresses
withdrawAllTo 0x61dadfdb
address to
address[] tokenAddresses
withdrawETH 0xe086e5ec
No parameters
withdrawMultipleTokens 0x3fa02c4a
address[] tokenAddresses
withdrawToken 0x89476069
address tokenAddress
Recent Transactions
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