15 lines
403 B
Solidity

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import { ERC2771Context } from "@openzeppelin/contracts/metatx/ERC2771Context.sol";
abstract contract ERC2771 is ERC2771Context(address(0)) {
mapping(address => bool) public trustedForwarders;
function isTrustedForwarder(address forwarder) public view override returns (bool) {
return trustedForwarders[forwarder];
}
}