dexorder

lib_openzeppelin_contracts/contracts/mocks/token/ERC1363ForceApproveMock.sol

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.20;
+
+import {IERC20} from "../../interfaces/IERC20.sol";
+import {ERC20, ERC1363} from "../../token/ERC20/extensions/ERC1363.sol";
+
+// contract that replicate USDT approval behavior in approveAndCall
+abstract contract ERC1363ForceApproveMock is ERC1363 {
+    function approveAndCall(address spender, uint256 amount, bytes memory data) public virtual override returns (bool) {
+        require(amount == 0 || allowance(msg.sender, spender) == 0, "USDT approval failure");
+        return super.approveAndCall(spender, amount, data);
+    }
+}