文件 1 的 1：BulkSend.sol
pragma solidity ^0.8.26;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function allowance(
address owner,
address spender
) external view returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
}
contract BulkSend {
address public owner;
mapping(address => bool) public approvedTokens;
event TokensApproved(address token);
event TokensDisapproved(address token);
event BulkTransfer(
address token,
address indexed from,
address[] recipients,
uint256[] amounts
);
modifier onlyOwner() {
require(msg.sender == owner, "Only the owner can perform this action");
_;
}
constructor() {
owner = msg.sender;
}
function approveToken(address token) public onlyOwner {
approvedTokens[token] = true;
emit TokensApproved(token);
}
function disapproveToken(address token) public onlyOwner {
approvedTokens[token] = false;
emit TokensDisapproved(token);
}
function bulkTransfer(
address token,
address[] calldata recipients,
uint256[] calldata amounts
) public {
require(approvedTokens[token], "Token not approved");
require(
recipients.length == amounts.length,
"Recipients and amounts length mismatch"
);
IERC20 erc20 = IERC20(token);
for (uint256 i = 0; i < recipients.length; i++) {
require(
erc20.transferFrom(msg.sender, recipients[i], amounts[i]),
"Transfer failed"
);
}
emit BulkTransfer(token, msg.sender, recipients, amounts);
}
}
{
"compilationTarget": {
"BulkSend.sol": "BulkSend"
},
"evmVersion": "cancun",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
