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