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fix(readability): adds some notes for some problems we experienced #35

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merged 1 commit into from
Jun 5, 2024

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@danwt danwt commented Jun 5, 2024

Summary by CodeRabbit

  • Bug Fixes
    • Improved handling of broadcast termination to ensure smoother operation under specific conditions.
    • Clarified logic for acknowledging packets, enhancing reliability in scenarios involving delayed acknowledgments.

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coderabbitai bot commented Jun 5, 2024

Walkthrough

The recent changes to the PathProcessor module involve enhancing the handling of broadcast terminations and improving the logic for acknowledging packets under delayed conditions. Specifically, the updates ensure the cancellation of outstanding broadcasts when necessary and clarify the acknowledgment process for packets with delayed acknowledgments.

Changes

Files Change Summary
relayer/processor/path_processor.go Added a conditional block to handle the termination of outstanding broadcasts by calling cancel() and returning.
relayer/processor/path_processor_internal.go Clarified the logic around acknowledging packets, emphasizing the need to send acknowledgments even with delays.

Poem

In the realm of code so bright,
Broadcasts end with a swift might.
Acknowledgments clear, delays in sight,
PathProcessor’s journey is now just right.
🐇💻✨

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Actionable comments posted: 3

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 7b0cb18 and 16e36fe.

Files selected for processing (2)
  • relayer/processor/path_processor.go (1 hunks)
  • relayer/processor/path_processor_internal.go (2 hunks)
Additional comments not posted (1)
relayer/processor/path_processor_internal.go (1)

1350-1356: Clarify the handling of delayed acknowledgments.

#!/bin/bash
# Description: Verify if there are any additional mechanisms or logs that handle delayed acknowledgments.
# Test: Search for logs or error handling related to delayed acknowledgments. Expect: Relevant code handling or logs.

rg --type go 'delayedack' 'relayer/processor/'

Comment on lines +425 to +429
/*
NOTE: it is possible that there are still outstanding broadcasts
This cancel will cancel them
In the future, we may want to wait for them to finish (<-pp.pathEnd1.finishedProcessing etc)
*/
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The addition of the conditional block to handle broadcast termination is a good enhancement for managing resources and ensuring clean termination. However, the comment about future enhancements could be formalized into a TODO to ensure it is tracked properly.

+ // TODO: In the future, consider waiting for broadcasts to finish before cancellation.
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
/*
NOTE: it is possible that there are still outstanding broadcasts
This cancel will cancel them
In the future, we may want to wait for them to finish (<-pp.pathEnd1.finishedProcessing etc)
*/
/*
NOTE: it is possible that there are still outstanding broadcasts
This cancel will cancel them
In the future, we may want to wait for them to finish (<-pp.pathEnd1.finishedProcessing etc)
*/
// TODO: In the future, consider waiting for broadcasts to finish before cancellation.

Comment on lines +1398 to +1400
/*
It's possible that an acknowledgement event was not yet published on the dst chain
*/
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Enhance monitoring for skipped packets during flush operations.

+ pp.log.Debug("Skipped packets during flush", zap.Any("skipped_packets", skipped))
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
/*
It's possible that an acknowledgement event was not yet published on the dst chain
*/
/*
It's possible that an acknowledgement event was not yet published on the dst chain
*/
+ pp.log.Debug("Skipped packets during flush", zap.Any("skipped_packets", skipped))

Consider improving the error handling for unacknowledged packets.

- return err
+ if errors.Is(err, provider.ErrAckNotPublished) {
+     dst.log.Warn("Acknowledgement not yet published", zap.Uint64("sequence", seq))
+     return nil  // Consider retrying later or other recovery mechanisms
+ } else {
+     return err
+ }
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change
/*
It's possible that an acknowledgement event was not yet published on the dst chain
*/
/*
It's possible that an acknowledgement event was not yet published on the dst chain
*/
if errors.Is(err, provider.ErrAckNotPublished) {
dst.log.Warn("Acknowledgement not yet published", zap.Uint64("sequence", seq))
return nil // Consider retrying later or other recovery mechanisms
} else {
return err
}

@danwt danwt merged commit 1b5082a into main-dym Jun 5, 2024
61 of 99 checks passed
@danwt danwt deleted the danwt/add-a-few-notes branch June 5, 2024 11:35
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1 participant