Add warning for supportsERC165InterfaceUnchecked edge case (#4017)

2023-02-03 21:15:41 +02:00
parent 132e5aa97b
commit d13ec90f37
1 changed files with 4 additions and 0 deletions
--- a/contracts/utils/introspection/ERC165Checker.sol
+++ b/contracts/utils/introspection/ERC165Checker.sol
@ -101,6 +101,10 @@ library ERC165Checker {
     * @dev Assumes that account contains a contract that supports ERC165, otherwise
     * the behavior of this method is undefined. This precondition can be checked
     * with {supportsERC165}.
+     *
+     * Some precompiled contracts will falsely indicate support for a given interface, so caution
+     * should be exercised when using this function.
+     *
     * Interface identification is specified in ERC-165.
     */
    function supportsERC165InterfaceUnchecked(address account, bytes4 interfaceId) internal view returns (bool) {