Contract Source Code (Solidity Standard Json-Input format)

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pragma solidity >=0.8.4;
//SPDX-License-Identifier: MIT

interface ISimpleStream {
  function streamDeposit(string memory reason) external payable;
}

// custom errors to save gas
error NO_STREAMS();
error AMOUNT_TOO_LOW();
error NOT_AUSTIN();
error INVALID_ARRAY_INPUT();
error ETH_TRANSFER_FAILURE();

contract StreamMultiFunder {
  address public constant buidlGuidl = 0x97843608a00e2bbc75ab0C1911387E002565DEDE;
  address public constant austinGriffith = 0x34aA3F359A9D614239015126635CE7732c18fDF3;

  event MultiFundStreams(address indexed sender, address[] streams, uint256[] amounts, string[] reasons);

  function fundStreams(address[] memory streams, uint256[] memory amounts, string[] memory reasons) public payable {
    if (streams.length == 0) {
      revert NO_STREAMS();
    }
    if (msg.value <= 0.001 ether) {
      revert AMOUNT_TOO_LOW();
    }
    if (streams.length != amounts.length) {
      revert INVALID_ARRAY_INPUT();
    }
    if (streams.length != reasons.length) {
      revert INVALID_ARRAY_INPUT();
    }

    for (uint8 i = 0; i < streams.length;) {
        ISimpleStream thisStream = ISimpleStream(streams[i]);
        thisStream.streamDeposit{value: amounts[i]}(reasons[i]);
        unchecked {
          ++ i;
        }
    }

    emit MultiFundStreams(msg.sender, streams, amounts, reasons);
  }

  function austinCanCleanUpDust() public {
    if (msg.sender != austinGriffith) {
      revert NOT_AUSTIN();
    }
    (bool sent,) = buidlGuidl.call{value: address(this).balance}("");
    if (!sent) {
      revert ETH_TRANSFER_FAILURE();
    }
  }
}

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

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[{"inputs":[],"name":"AMOUNT_TOO_LOW","type":"error"},{"inputs":[],"name":"ETH_TRANSFER_FAILURE","type":"error"},{"inputs":[],"name":"INVALID_ARRAY_INPUT","type":"error"},{"inputs":[],"name":"NOT_AUSTIN","type":"error"},{"inputs":[],"name":"NO_STREAMS","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"address[]","name":"streams","type":"address[]"},{"indexed":false,"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"indexed":false,"internalType":"string[]","name":"reasons","type":"string[]"}],"name":"MultiFundStreams","type":"event"},{"inputs":[],"name":"austinCanCleanUpDust","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"austinGriffith","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"buidlGuidl","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"streams","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"string[]","name":"reasons","type":"string[]"}],"name":"fundStreams","outputs":[],"stateMutability":"payable","type":"function"}]

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