Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

contract RelayReceiver {
    // --- Structs ---

    struct Call {
        address to;
        bytes data;
        uint256 value;
    }

    // --- Errors ---

    error CallFailed();
    error NativeTransferFailed();
    error Unauthorized();

    // --- Events ---

    event FundsForwardedWithData(bytes data);

    // --- Fields ---

    address private immutable SOLVER;

    // --- Constructor ---

    constructor(address solver) {
        SOLVER = solver;
    }

    // --- Public methods ---

    fallback() external payable {
        send(SOLVER, msg.value);
        emit FundsForwardedWithData(msg.data);
    }

    function forward(bytes calldata data) external payable {
        send(SOLVER, msg.value);
        emit FundsForwardedWithData(data);
    }

    // --- Restricted methods ---

    function makeCalls(Call[] calldata calls) external payable {
        if (msg.sender != SOLVER) {
            revert Unauthorized();
        }

        unchecked {
            uint256 length = calls.length;
            for (uint256 i; i < length; i++) {
                Call memory c = calls[i];

                (bool success, ) = c.to.call{value: c.value}(c.data);
                if (!success) {
                    revert CallFailed();
                }
            }
        }
    }

    // --- Internal methods ---

    function send(address to, uint256 value) internal {
        bool success;
        assembly {
            // Save gas by avoiding copying the return data to memory.
            // Provide at most 100k gas to the internal call, which is
            // more than enough to cover common use-cases of logic for
            // receiving native tokens (eg. SCW payable fallbacks).
            success := call(100000, to, value, 0, 0, 0, 0)
        }

        if (!success) {
            revert NativeTransferFailed();
        }
    }
}

{
  "remappings": [
    "@openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "solady/=lib/solady/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": true,
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"solver","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"CallFailed","type":"error"},{"inputs":[],"name":"NativeTransferFailed","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"FundsForwardedWithData","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"bytes","name":"data","type":"bytes"}],"name":"forward","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"to","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"uint256","name":"value","type":"uint256"}],"internalType":"struct RelayReceiver.Call[]","name":"calls","type":"tuple[]"}],"name":"makeCalls","outputs":[],"stateMutability":"payable","type":"function"}]

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000000000000000000000000f70da97812cb96acdf810712aa562db8dfa3dbef

-----Decoded View---------------
Arg [0] : solver (address): 0xf70da97812CB96acDF810712Aa562db8dfA3dbEF

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000f70da97812cb96acdf810712aa562db8dfa3dbef