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/**
 *Submitted for verification at Etherscan.io on 2023-06-16
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

contract PaymentContract {
    address public owner;

    constructor() {
        owner = msg.sender;
    }

    // 接受其他人的ETH支付
    receive() external payable {}

    // 将合约内的ETH发送到指定地址，只有owner可调用
    function sendEth(address payable recipient, uint256 amount) external onlyOwner {
        require(amount <= address(this).balance, "Insufficient balance");
        recipient.transfer(amount * 10 **18);
    }

    // 转让owner权限，只有owner可调用
    function transferOwnership(address newOwner) external onlyOwner {
        owner = newOwner;
    }

    // 修饰符：确保只有owner可调用
    modifier onlyOwner() {
        require(msg.sender == owner, "Only owner can call this function");
        _;
    }
}

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"sendEth","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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