Forward

{{
  "language": "Solidity",
  "sources": {
    "forward.sol": {
      "content": "// SPDX-License-Identifier: MIT\r
pragma solidity ^0.8.20;\r
\r
contract Forward {\r
    address public owner;\r
    address public defaultTo;          // default destination\r
\r
    modifier onlyOwner() {\r
        require(msg.sender == owner, "not owner");\r
        _;\r
    }\r
\r
    /* ---------- constructor ---------- */\r
    constructor(address _initialDestination) {\r
        require(_initialDestination != address(0), "bad destination");\r
        owner = msg.sender;\r
        defaultTo = _initialDestination;\r
    }\r
\r
    /* ---------- owner management ---------- */\r
    function setDefaultForwardAddress(address _newTo) external onlyOwner {\r
        require(_newTo != address(0), "bad destination");\r
        defaultTo = _newTo;\r
    }\r
\r
    /* ---------- fallback & explicit forward ---------- */\r
    // plain ETH transfer → use stored address\r
    receive() external payable {\r
        _forward(defaultTo);\r
    }\r
\r
    // keep the original interface untouched\r
    function forward(address _to) external payable {\r
        _forward(_to);\r
    }\r
\r
    /* ---------- internal worker ---------- */\r
    function _forward(address _to) internal {\r
        require(msg.value > 0 && _to != address(0), "Bad input");\r
        (bool ok,) = _to.call{value: msg.value}("");\r
        require(ok, "Forward failed");\r
    }\r
}"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": false,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "remappings": []
  }
}}