dexorder

lib_openzeppelin_contracts/certora/harnesses/ERC20WrapperHarness.sol

@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.20;
+
+import {ERC20Permit} from "../patched/token/ERC20/extensions/ERC20Permit.sol";
+import {ERC20Wrapper, IERC20, ERC20} from "../patched/token/ERC20/extensions/ERC20Wrapper.sol";
+
+contract ERC20WrapperHarness is ERC20Permit, ERC20Wrapper {
+    constructor(
+        IERC20 _underlying,
+        string memory _name,
+        string memory _symbol
+    ) ERC20(_name, _symbol) ERC20Permit(_name) ERC20Wrapper(_underlying) {}
+
+    function underlyingTotalSupply() public view returns (uint256) {
+        return underlying().totalSupply();
+    }
+
+    function underlyingBalanceOf(address account) public view returns (uint256) {
+        return underlying().balanceOf(account);
+    }
+
+    function underlyingAllowanceToThis(address account) public view returns (uint256) {
+        return underlying().allowance(account, address(this));
+    }
+
+    function recover(address account) public returns (uint256) {
+        return _recover(account);
+    }
+
+    function decimals() public view override(ERC20Wrapper, ERC20) returns (uint8) {
+        return super.decimals();
+    }
+}