// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.17;

contract GasZip {

    event Deposit(address from, uint256 chains, uint256 amount, address to);
    
    address public owner;

    constructor(address _owner) {
        owner = _owner;
    }

    function deposit(uint256 chains, address to) payable external {
        require(msg.value != 0);
        emit Deposit(msg.sender, chains, msg.value, to);
    }

    function withdraw(address token) external {
        require(msg.sender == owner);
        if (token == address(0)) {
            owner.call{value: address(this).balance}("");
        } else {
            IERC20(token).transfer(owner, IERC20(token).balanceOf(address(this)));
        }
    }

    function newOwner(address _owner) external {
        require(msg.sender == owner);
        owner = _owner;
    }
}

interface IERC20 {
    function balanceOf(address) external view returns (uint256);
    function transfer(address, uint256) external returns (bool);
}

{
  "compilationTarget": {
    "src/GasZip.sol": "GasZip"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [
    ":ds-test/=lib/forge-std/lib/ds-test/src/",
    ":forge-std/=lib/forge-std/src/"
  ]
}