Address Contract Partially Verified
Address
0xa5569DD31530a25a4009b862B208058FF4e5e418
Balance
0 ETH
Nonce
1
Code Size
3672 bytes
Creator
0x6F942942...D1F0 at tx 0x7cdbd3d3...ace92c
Indexed Transactions
0
Contract Bytecode
3672 bytes
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Verified Source Code Partial Match
Compiler: v0.8.26+commit.8a97fa7a
EVM: cancun
Optimization: No
ETHPayment.sol 65 lines
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
contract ETHPayment {
address public owner;
constructor() {
owner = msg.sender;
}
// 用户地址 => 存入的 ETH 余额
mapping(address => uint256) public balances;
// 授权：用户授权给某地址支配他存入的 ETH
mapping(address => mapping(address => uint256)) public authorizations;
event Deposited(address indexed user, uint256 amount);
event Authorized(address indexed user, address indexed agent, uint256 amount);
event TransferredFromAuthorized(address indexed from, address indexed to, uint256 amount);
// 用户存入 ETH 到合约（必须用户主动调用）
function deposit() external payable {
require(msg.value > 0, "Must send ETH");
balances[msg.sender] += msg.value;
emit Deposited(msg.sender, msg.value);
}
// 用户授权某个地址可以花费自己存入的 ETH
function authorize(address agent, uint256 amount) external {
require(balances[msg.sender] >= amount, "Insufficient balance to authorize");
authorizations[msg.sender][agent] = amount;
emit Authorized(msg.sender, agent, amount);
}
// 被授权人调用，从授权人账户转出 ETH 到目标地址
function transferFrom(address from, address to, uint256 amount) external {
require(balances[from] >= amount, "Insufficient balance");
require(authorizations[from][msg.sender] >= amount, "Not authorized for this amount");
// 扣除余额和授权额度
balances[from] -= amount;
authorizations[from][msg.sender] -= amount;
// 转账
(bool success, ) = to.call{value: amount}("");
require(success, "ETH transfer failed");
emit TransferredFromAuthorized(from, to, amount);
}
// 查询余额和授权
function getBalance(address user) external view returns (uint256) {
return balances[user];
}
function getAuthorization(address owner_, address agent) external view returns (uint256) {
return authorizations[owner_][agent];
}
// fallback
receive() external payable {
balances[msg.sender] += msg.value;
emit Deposited(msg.sender, msg.value);
}
}
Read Contract
authorizations 0x06899031 → uint256
balances 0x27e235e3 → uint256
getAuthorization 0x983b0564 → uint256
getBalance 0xf8b2cb4f → uint256
owner 0x8da5cb5b → address
Write Contract 3 functions
These functions modify contract state and require a wallet transaction to execute.
authorize 0xc1dbd9b2
address agent
uint256 amount
deposit 0xd0e30db0
No parameters
transferFrom 0x23b872dd
address from
address to
uint256 amount
Recent Transactions
No transactions found for this address