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Avoid returnbomb in ERC165Checker (OpenZeppelin#3587)
Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
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// SPDX-License-Identifier: MIT | ||
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pragma solidity ^0.8.0; | ||
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import "../../utils/introspection/IERC165.sol"; | ||
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contract ERC165ReturnBombMock is IERC165 { | ||
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { | ||
if (interfaceId == type(IERC165).interfaceId) { | ||
assembly { | ||
mstore(0, 1) | ||
} | ||
} | ||
assembly { | ||
return(0, 101500) | ||
} | ||
} | ||
} |
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