ERC721Upgradeable (OpenZeppelin Upgradeable)

Audit Snapshot

Status: ✅ pass
Source type: npm
Source path: third_party/famous-contracts/sources/@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol
Primary issue: No primary issue recorded.
Audit corpus size: 98 contracts

Diagnostics

Total diagnostics captured: 1444

By Severity

Severity	Count
warning	1443
error	1

Most Common Codes

Code	Count	Example
W200	1360	function 'checkOnERC721Received' in 'ContextUpgradeable' overrides 'Initializable::checkOnERC721Received' which is not marked 'virtual'
W121	70	duplicate constant state variable 'GENERIC' detected while merging libraries
INVALID_STORAGE_RETURN	5	function '_getInitializableStorage' return value 'InitializableStorage' uses 'storage' data location (treated as Any)
MANIFEST_WILDCARD_CONTRACT	4	contract 'Initializable' requires wildcard contract manifest permissions (contract='*') due to dynamic contract calls. This is riskier than fixed contract hashes; use --deny-wildcard-contracts to make this a hard error.
W106	2	function 'supportsInterface' (EIP-165) is unnecessary on Neo N3. Neo uses the manifest 'supportedstandards' array for interface detection, which the compiler populates automatically.
RAW	1	[info][NEP-11] NEP-11 `Transfer` event has 3 parameter(s), expected 4.
W104	1	function 'transferFrom' with 3 parameters (ERC-721 pattern) detected. NEP-11 uses transfer(to, tokenId, data) with 3 parameters instead. Authorization is via Runtime.checkWitness(owner), not msg.sender.
W114	1	NFT contract (has ownerOf) but missing onNEP11Payment callback. Other contracts cannot send NFTs to this contract.

Source diagnostic payload: docs/data/famous-contracts-audit-results.json.

References

Global audit report: Famous Contracts on NeoVM
Per-contract index: Original Famous Contracts
Upstream contract path: third_party/famous-contracts/sources/@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol