// SPDX-License-Identifier: MIT pragma solidity ^0.8.20; import {Ownable} from "../access/Ownable.sol"; import {IERC1271} from "../interfaces/IERC1271.sol"; import {ECDSA} from "../utils/cryptography/ECDSA.sol"; contract ERC1271WalletMock is Ownable, IERC1271 { constructor(address originalOwner) Ownable(originalOwner) {} function isValidSignature(bytes32 hash, bytes memory signature) public view returns (bytes4 magicValue) { return ECDSA.recover(hash, signature) == owner() ? this.isValidSignature.selector : bytes4(0); } } contract ERC1271MaliciousMock is IERC1271 { function isValidSignature(bytes32, bytes memory) public pure returns (bytes4) { assembly { mstore(0, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) return(0, 32) } } }