dexorder

lib_openzeppelin_contracts/contracts/mocks/ERC1271WalletMock.sol

@@ -0,0 +1,24 @@
+// 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)
+        }
+    }
+}