Non compliance with ERC721 standards.
Summary
Non compliance with the ERC721 standards.
Vulnerability Details
As can be seen in the EIP 721 documentation:
"Every ERC-721 compliant contract MUST implement the ERC721 and ERC165 interfaces"
https://eips.ethereum.org/EIPS/eip-721
The instruction is a "must" do and it is completely ignored as the ERC1657::supportsInterface function is totally ignored as it queries if a contract implements an interface
Impact
Not fully complying to the EIP 721 standards is wrong and unacceptable as its Standard Procedure and should be fully implemented.
Tools Used
Manual review
Recommendations
Correctly Implement the ERC165 interfaces as supposed
Lead Judging Commences
Info/Gas/Invalid as per Docs
https://docs.codehawks.com/hawks-auditors/how-to-determine-a-finding-validity
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