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Version: 2.6.0

Prepare the Forwarder Contract

We will be using Remix web IDE to compile and deploy Smart Contracts to the Blockchain, and a production-ready Forwarder from OpenZeppelin that relays operation requests signed off-chain by an EOA (Externally Owned Account).

Remix IDE​

  • Create a new file in Remix and name it CounterForwarder.

  • Paste this code in the file as shown in the image below 1.

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

import "@openzeppelin/contracts/metatx/ERC2771Forwarder.sol";

  • Then compile the file using compiler version 0.8.20+. After that you go to DEPLOY & RUN TRANSACTIONS tab and select from the Environment drop down Injected Provider - MetaMask 2.

  • Make sure the correct contract is selected in the Contract drop down which is ERC2771Forwarder 3.

  • Lastly you need to provide a Forwarder Name for the ERC2771Forwarder constructor in order to deploy this contract. Let's set it to CounterForwarder as seen in the image below 4.

Forwarder