WrapperPlugin.sol

// SPDX-License-Identifier: MIT

pragma solidity 0.8.17;

import {IWETH9} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IDAO} from "aragon-plugin-base/contracts/lib/interfaces/IDAO.sol";
import {PluginUUPSUpgradeable} from "aragon-plugin-base/contracts/lib/plugin/PluginUUPSUpgradeable.sol";

/// @title AdminTransferPlugin
/// @notice Enables Admins to transfer ANT Tokens from the DAO to a recipient without a vote.
contract WrapperPluggin is PluginUUPSUpgradeable {
    /* ====================================================================== */
    /*                              PERMISSION IDS
    /* ====================================================================== */

    /// @notice Permission ID for the transfer function
    bytes32 public constant WRAP_PERMISSION_ID = keccak256("WRAP_PERMISSION_ID");


    /* ====================================================================== */
    /*                              STATE
    /* ====================================================================== */

    /// @notice address of the WETH9 contract
    address public weth;

    /// @notice Nonce for the DAO
    uint256 public nonce;

    /// @notice Admins
    mapping(address => bool) public admins;



    /* ====================================================================== */
    /*                              FUNCTIONS
    /* ====================================================================== */

    /// @notice Constructor
    constructor() {
        _disableInitializers();
    }

    function initialize(IDAO _dao, address _weth, address admin) external initializer {
        __PluginUUPSUpgradeable_init(_dao);

        nonce = 0;
        weth = _weth;
        admins[admin] = true;
    }

    function protectedByDAO(address admin, bool isAdmin) external auth(ADD_ADDRESS_PERMISSION_ID) {
        admins[admin] = isAdmin;
    }

    function protectedByPlugin(uint256 _amount) external {
        // validate params
        require(admins[msg.sender] = true, "NOT PERMITTED");


        // Create an action to transfer ANT from the DAO to the recipient.
        IDAO.Action[] memory action = new IDAO.Action[](1);
        action[0].to = address(weth);
        action[0].value = 0;
        action[0].data = abi.encodeWithSelector(IWETH9(weth).wrap.withdraw.selector, _amount);

        dao.execute(bytes32(nonce++), action, 0);
    }

    /// @notice This empty reserved space is put in place to allow future versions to add new variables without shifting down storage in the inheritance chain (see [OpenZepplins guide about storage gaps](https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps)).
    uint256[48] private __gap;
}