Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity >=0.8.13;

contract Sender {
    struct Recipient {
        address payable recipient;
        uint amount;
    }

    // Event emitted on successful transfer to a recipient
    event Sent(address recipient, uint amount);

    // Function to send ETH to multiple recipients with a fixed amount
    function sendWithFixedAmount(uint _amount, address payable[] calldata _to) external payable {
        require(_to.length > 0, "No recipients specified");
        require(msg.value == _amount * _to.length, "Insufficient funds");
        
        for (uint i = 0; i < _to.length; i++) {
            require(_to[i] != address(0), "Invalid recipient address");
            _to[i].transfer(_amount);
            emit Sent(_to[i], _amount);
        }
    }

    // Function to send ETH to multiple recipients with specific amounts
    function sendWithSpecificAmount(Recipient[] calldata _recipients) external payable {
        require(_recipients.length > 0, "No recipients specified");
        uint totalAmount;
        
        for (uint i = 0; i < _recipients.length; i++) {
            address payable recipient = _recipients[i].recipient;
            uint amount = _recipients[i].amount;
            require(recipient != address(0), "Invalid recipient address");
            require(amount > 0, "Invalid amount");
            
            totalAmount += amount;
            emit Sent(recipient, amount);
        }
        
        require(msg.value == totalAmount, "Insufficient funds");
        
        for (uint i = 0; i < _recipients.length; i++) {
            _recipients[i].recipient.transfer(_recipients[i].amount);
        }
    }
}

{
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Sent","type":"event"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address payable[]","name":"_to","type":"address[]"}],"name":"sendWithFixedAmount","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"address payable","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"internalType":"struct Sender.Recipient[]","name":"_recipients","type":"tuple[]"}],"name":"sendWithSpecificAmount","outputs":[],"stateMutability":"payable","type":"function"}]

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