Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

contract Disperser {
    error WrongArraysLength();
    error OnlyOwner();
    error TokenSend(address problem);
    error NativeSend(address problem);

    address public owner;
    struct Token {
        address token;
        address[] receivers;
        uint256[] amounts;
    }

    modifier onlyOwner() {
        if (msg.sender != owner) revert OnlyOwner();
        _;
    }

    constructor() {
        owner = msg.sender;
    }

    receive() external payable {}

    function massSend(Token[] calldata input) external onlyOwner {
        uint length = input.length;
        for (uint i; i < length; ) {
            if (input[i].token == address(0)) {
                sendNative(input[i]);
            } else {
                sendToken(input[i]);
            }
            unchecked {
                ++i;
            }
        }
    }

    function sendToken(Token memory token) internal {
        if (token.receivers.length != token.amounts.length) revert WrongArraysLength();
        uint length = token.receivers.length;
        for (uint i; i < length; ) {
            (bool success, bytes memory response) = (token.token).call(
                abi.encodeWithSignature(
                    "transfer(address,uint256)",
                    token.receivers[i],
                    token.amounts[i]
                )
            );
            if (!success || (response.length != 0 && !(abi.decode(response, (bool)))))
                revert TokenSend(token.receivers[i]);
            unchecked {
                ++i;
            }
        }
    }

    function sendNative(Token memory token) internal {
        if (token.receivers.length != token.amounts.length) revert WrongArraysLength();
        uint length = token.receivers.length;
        for (uint i; i < length; ) {
            (bool success, ) = token.receivers[i].call{ value: token.amounts[i] }("");
            if (!success) revert NativeSend(token.receivers[i]);
            unchecked {
                ++i;
            }
        }
    }

    function withdraw(address _token) external onlyOwner {
        if (_token == address(0)) {
            uint256 amount = address(this).balance;
            (bool success, ) = msg.sender.call{ value: amount }("");
            if (!success) revert();
        } else {
            (bool success, bytes memory resp) = address(_token).staticcall(
                abi.encodeWithSignature("balanceOf(address)", address(this))
            );
            if (!success) revert();
            uint amount = abi.decode(resp, (uint));
            transferERC20(_token, msg.sender, amount);
        }
    }

    function setOwner(address _owner) external onlyOwner {
        owner = _owner;
    }

    function transferERC20(address _token, address _to, uint _amount) private {
        (bool success, bytes memory response) = address(_token).call(
            abi.encodeWithSignature("transfer(address,uint256)", _to, _amount)
        );
        require(
            success && (response.length == 0 || abi.decode(response, (bool))),
            "Failed send funds"
        );
    }
}

{
  "viaIR": true,
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "none"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"problem","type":"address"}],"name":"NativeSend","type":"error"},{"inputs":[],"name":"OnlyOwner","type":"error"},{"inputs":[{"internalType":"address","name":"problem","type":"address"}],"name":"TokenSend","type":"error"},{"inputs":[],"name":"WrongArraysLength","type":"error"},{"inputs":[{"components":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address[]","name":"receivers","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"internalType":"struct Disperser.Token[]","name":"input","type":"tuple[]"}],"name":"massSend","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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