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fix: attribute decoding in cometbft v0.38 #96

Merged
merged 2 commits into from
Nov 13, 2024
Merged

fix: attribute decoding in cometbft v0.38 #96

merged 2 commits into from
Nov 13, 2024

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boojamya
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@boojamya boojamya commented Nov 13, 2024

Summary by CodeRabbit

  • Bug Fixes

    • Streamlined error handling by removing unnecessary base64 decoding for attributes, enhancing performance and reliability in message processing.
  • Refactor

    • Simplified the function logic while maintaining core functionality and error reporting for message parsing.
  • Documentation

    • Updated the USDC faucet link for user access and improved clarity and readability in the README.md file.

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coderabbitai bot commented Nov 13, 2024

Caution

Review failed

The pull request is closed.

Walkthrough

The changes in the noble/message_state.go file focus on the txToMessageState function, specifically simplifying the processing of attributes related to the circle.cctp.v1.MessageSent event. The previous base64 decoding of both attr.Key and attr.Value has been removed, with the function now directly checking for the "message" key and processing attr.Value without decoding it. The logic for creating MessageState instances and error handling for message parsing remains unchanged.

Changes

File Change Summary
noble/message_state.go Simplified txToMessageState by removing base64 decoding for attr.Key and attr.Value. Retained message parsing logic and error handling.
README.md Updated USDC faucet link from "https://usdcfaucet.com/" to "https://faucet.circle.com". Minor adjustments for clarity and readability.

Sequence Diagram(s)

sequenceDiagram
    participant A as Transaction
    participant B as Message State
    participant C as Message Parser

    A->>B: txToMessageState()
    B->>B: Check if attr.Key is "message"
    B->>B: Assign attr.Value to decodedValue
    B->>C: Process decodedValue
    C->>C: Decode message
    C->>C: Hash and parse into Message object
    C-->>B: Return Message object
    B-->>A: Return MessageState
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🐰 In the code where messages flow,
🐇 No base64 to decode, oh no!
🥕 With keys and values now so clear,
🌟 Parsing messages brings us cheer!
✨ Errors handled, all is bright,
🎉 Hooray for changes, what a delight!


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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (2)
noble/message_state.go (2)

30-31: Remove unnecessary string conversion

The removal of base64 decoding is correct for cometbft v0.38 compatibility. However, there's an unnecessary string conversion that can be simplified.

-				decodedKey := attr.Key
-				if string(decodedKey) == "message" {
+				if attr.Key == "message" {
🧰 Tools
🪛 GitHub Check: golangci-lint

[failure] 31-31:
unnecessary conversion (unconvert)

🪛 golangci-lint

31-31: unnecessary conversion

(unconvert)


32-32: LGTM! Consider enhancing the documentation

The direct assignment of attr.Value is correct for cometbft v0.38. The subsequent double decoding is properly maintained.

Consider expanding the comment to explain why the initial base64 decoding was removed:

-					// Because we are using cometBFT v0.38, we need to decode the value twice.
+					// In cometBFT v0.38, attributes are no longer base64 encoded, but the message itself
+					// still requires double decoding due to the protocol specification.
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between b4df4de and 72a4ab3.

📒 Files selected for processing (1)
  • noble/message_state.go (1 hunks)
🧰 Additional context used
🪛 GitHub Check: golangci-lint
noble/message_state.go

[failure] 31-31:
unnecessary conversion (unconvert)

🪛 golangci-lint
noble/message_state.go

31-31: unnecessary conversion

(unconvert)

🔇 Additional comments (1)
noble/message_state.go (1)

30-32: Verify consistent attribute handling across the codebase

Let's ensure this change is consistently applied across all CCTP message handling code.

✅ Verification successful

Let me gather more context about the message handling implementation to ensure we have a complete picture.


Let me try one more search to specifically look for message handling patterns in the codebase.


Base64 decoding change is correctly isolated and safe

The code analysis shows that:

  1. The base64 decoding is only used in this specific message handling block in noble/message_state.go
  2. There are no other instances of attribute handling that expect base64 encoded values
  3. The base64 decoding is specifically tied to CometBFT v0.38 compatibility as noted in the code comment

The change is properly contained and doesn't require updates in other parts of the codebase.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for other potential attribute handling code that might need similar updates
rg -l "circle\.cctp.*MessageSent" | xargs rg "attr\.(Key|Value)"

# Search for related tests that might need updating
rg -l "TestMessage.*State" | xargs rg "base64"

Length of output: 778


Script:

#!/bin/bash
# Search for message attribute handling patterns
rg -A 5 "type.*Message.*Event" 

# Look for any other attribute decoding patterns
rg -A 3 "attr\.(Key|Value)" 

# Check test files for message attribute handling
fd "test.*\.go$" --exec rg -l "Message.*Event"

Length of output: 565


Script:

#!/bin/bash
# Search for message handling patterns using ast-grep
ast-grep --pattern 'if $_ == "message" {
  $$$
}'

# Look for any message event handling
rg -B 2 -A 5 "MessageSent.*Event"

# Check for attribute handling in tests
rg -A 5 "func.*Test.*Message" 

Length of output: 5209

🧰 Tools
🪛 GitHub Check: golangci-lint

[failure] 31-31:
unnecessary conversion (unconvert)

🪛 golangci-lint

31-31: unnecessary conversion

(unconvert)

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@johnletey johnletey left a comment

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Nice catch ser, thank you 🫡

@johnletey johnletey merged commit 932f2e8 into main Nov 13, 2024
7 checks passed
@johnletey johnletey deleted the comet branch November 13, 2024 18:16
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2 participants