ForwardWallet

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.30;

interface IERC20 {
    function transfer(address to, uint256 value) external returns (bool);
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

contract ForwardWallet {
    address payable public treasury;
    address public owner;

    constructor(address payable _treasury) {
        require(_treasury != address(0));
        treasury = _treasury;
        owner = msg.sender;
    }

    function deposit() external payable {
        require(msg.value > 0);
        (bool ok, ) = treasury.call{value: msg.value}("");
        require(ok);
    }

    function changeTreasury(address payable _new) external {
        require(msg.sender == owner);
        require(_new != address(0));
        treasury = _new;
    }

    function withdraw(uint256 amount, address payable to) external {
        require(msg.sender == owner);
        require(address(this).balance >= amount);
        (bool ok, ) = to.call{value: amount}("");
        require(ok);
    }

    function depositToken(address token, uint256 amount) external {
        require(amount > 0);
        bool ok = IERC20(token).transferFrom(msg.sender, treasury, amount);
        require(ok);
    }

    function withdrawToken(address token, uint256 amount, address to) external {
        require(msg.sender == owner);
        require(amount > 0);
        bool ok = IERC20(token).transfer(to, amount);
        require(ok);
    }
}