dexorder

lib_openzeppelin_contracts/contracts/mocks/token/ERC1363SpenderMock.sol

@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.20;
+
+import {IERC1363Spender} from "../../interfaces/IERC1363Spender.sol";
+
+contract ERC1363SpenderMock is IERC1363Spender {
+    enum RevertType {
+        None,
+        RevertWithoutMessage,
+        RevertWithMessage,
+        RevertWithCustomError,
+        Panic
+    }
+
+    bytes4 private _retval;
+    RevertType private _error;
+
+    event Approved(address owner, uint256 value, bytes data);
+    error CustomError(bytes4);
+
+    constructor() {
+        _retval = IERC1363Spender.onApprovalReceived.selector;
+        _error = RevertType.None;
+    }
+
+    function setUp(bytes4 retval, RevertType error) public {
+        _retval = retval;
+        _error = error;
+    }
+
+    function onApprovalReceived(address owner, uint256 value, bytes calldata data) external override returns (bytes4) {
+        if (_error == RevertType.RevertWithoutMessage) {
+            revert();
+        } else if (_error == RevertType.RevertWithMessage) {
+            revert("ERC1363SpenderMock: reverting");
+        } else if (_error == RevertType.RevertWithCustomError) {
+            revert CustomError(_retval);
+        } else if (_error == RevertType.Panic) {
+            uint256 a = uint256(0) / uint256(0);
+            a;
+        }
+
+        emit Approved(owner, value, data);
+        return _retval;
+    }
+}