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WalkthroughUpdated multiple subgraph ABIs (IPToken, TermsAcceptedPermissioner, Tokenizer), bumped subgraph deploy version label, added guarded JSON parsing/validation to Changes
Sequence Diagram(s)sequenceDiagram
autonumber
participant Client
participant Tokenizer
participant IIPToken as IIPToken (tokenContract)
participant Wrapped as WrappedIPToken
Note over Client,Tokenizer #E8F1FF: New attach/wrap flow (ABI additions)
Client->>Tokenizer: attachIpt(ipnftId, agreementCid, signedAgreement, tokenContract)
Tokenizer->>IIPToken: validate tokenContract / synthesized(...)
alt tokenContract valid
IIPToken-->>Tokenizer: synthesized(address)
Tokenizer->>Wrapped: setWrappedIPTokenImplementation(addr) / wrappedTokenImplementation()
Tokenizer-->>Client: return wrappedIpt address
Tokenizer-->>Tokenizer: emit TokenWrapped / WrappedIPTokenImplementationUpdated
else invalid tokenContract
Tokenizer-->>Client: revert InvalidTokenContract or InvalidTokenDecimals
end
Estimated code review effort🎯 4 (Complex) | ⏱️ ~45 minutes
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✨ Finishing touches
🧪 Generate unit tests (beta)
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📒 Files selected for processing (6)
🚧 Files skipped from review as they are similar to previous changes (1)
🧰 Additional context used🧠 Learnings (3)📓 Common learnings📚 Learning: 2024-10-08T19:40:07.111ZApplied to files:
📚 Learning: 2024-10-08T19:40:07.111ZApplied to files:
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nour-karoui
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⚠️ Outside diff range comments (1)
subgraph/src/metadataMapping.ts (1)
109-109: Remove redundant save() call to avoid double-write.Line 109 unconditionally calls
ipnftMetadata.save(), but Line 45 already saves the entity when all required fields are present. This results in:
- Double-save when all fields exist (performance/efficiency issue)
- Save with partial data when required fields are missing (data integrity concern)
Apply this diff to remove the redundant save:
} } - ipnftMetadata.save() } }The entity is already saved at Line 45 when the required fields (
name,image,description,externalURL) are present. The properties extraction (lines 50-108) happens after that save, updating optional fields. If you intend to save the optional properties updates, the save should be conditional on whether any properties were actually updated.
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📒 Files selected for processing (5)
subgraph/abis/IPToken.json(1 hunks)subgraph/abis/TermsAcceptedPermissioner.json(3 hunks)subgraph/abis/Tokenizer.json(9 hunks)subgraph/package.json(1 hunks)subgraph/src/metadataMapping.ts(2 hunks)
🧰 Additional context used
🧠 Learnings (2)
📚 Learning: 2024-10-08T19:40:07.111Z
Learnt from: elmariachi111
PR: moleculeprotocol/IPNFT#166
File: subgraph/src/metadataMapping.ts:8-18
Timestamp: 2024-10-08T19:40:07.111Z
Learning: In `subgraph/src/metadataMapping.ts`, the code is written in AssemblyScript, which cannot use advanced JavaScript features.
Applied to files:
subgraph/src/metadataMapping.ts
📚 Learning: 2024-10-08T19:40:07.111Z
Learnt from: elmariachi111
PR: moleculeprotocol/IPNFT#166
File: subgraph/src/metadataMapping.ts:8-18
Timestamp: 2024-10-08T19:40:07.111Z
Learning: The NFT metadata standard requires all fields (`image`, `name`, `description`, `external_url`) to be present, and this is validated by a different service before the entity goes onto the chain.
Applied to files:
subgraph/src/metadataMapping.ts
🔇 Additional comments (6)
subgraph/abis/TermsAcceptedPermissioner.json (1)
9-9: LGTM! Type references updated consistently.The internalType updates from
IPTokentoIIPTokenare consistent across all three occurrences and align with the broader ABI type updates in this PR.Also applies to: 32-32, 97-97
subgraph/abis/IPToken.json (1)
196-196: LGTM! Parameter naming follows convention.The underscore suffix (
name_,symbol_) is a standard convention to avoid shadowing state variables in the contract implementation.Also applies to: 201-201
subgraph/src/metadataMapping.ts (1)
1-30: Excellent defensive JSON parsing!The added validation layers effectively handle edge cases:
- Empty content check prevents processing invalid data
- JSON format validation (checking for
{or[) provides early detectiontry_fromByteswith proper error handling prevents parsing failuresThis aligns well with the PR objective to add error handling for null metadata.
subgraph/abis/Tokenizer.json (3)
7-40: LGTM! Comprehensive token wrapping functionality added.The new functions for token wrapping are well-structured:
attachIpt: Creates wrapped token from existing ERC20setWrappedIPTokenImplementation: Updates the wrapped token implementationwrappedTokenImplementation: Queries current implementation- Updated
reinitto support wrapped token configurationAlso applies to: 183-187, 217-229, 332-344
244-244: LGTM! Type updates and new events are consistent.The ABI updates properly reflect:
- Type migration from
IPTokentoIIPTokenin existing declarations- New
TokenWrappedandWrappedIPTokenImplementationUpdatedevents for observability- Consistent use of
IIPTokenandWrappedIPTokencontract types throughoutAlso applies to: 385-385, 391-391, 447-465, 534-552
563-572: LGTM! Error types for validation added.The new error types
InvalidTokenContractandInvalidTokenDecimalsprovide clear failure modes for token wrapping validation.
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…ling if the metadata is null and deploy a new version for sepolia and mainnet
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