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ledger: don't sample own block #4

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merged 1 commit into from
Nov 3, 2024
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@2lambda123 2lambda123 commented Nov 3, 2024

Description

The code changes in this pull request involve removing the inclusion of the node's own vote from the list of votes considered in the ledger. Here are the summarized changes:

  • Removal of the code that includes the node's own vote in the list of votes.
  • The section of code that assigns the preferred block based on the node's own vote is eliminated.
  • The appending of the node's own finalization vote to the list of votes has been removed.

These changes likely aim to adjust the voting mechanism to exclude self-voting from the ledger calculations or to streamline the code by removing unnecessary logic around the node's own vote.

Description by Korbit AI

What change is being made?

Remove the addition of the ledger's own vote in the block sampling process within the query function of ledger.go.

Why are these changes being made?

The change is made to prevent the ledger from sampling its own block, which could skew vote results and lead to unintended finalization outcomes. Removing the ledger's attempt to vote for its own block improves the integrity and fairness of the voting process by ensuring all votes are externally derived rather than self-referential.

Is this description stale? Ask me to generate a new description by commenting /korbit-generate-pr-description

Summary by CodeRabbit

  • New Features

    • Updated the voting process by removing the ledger's own vote from the consensus aggregation.
  • Bug Fixes

    • Enhanced vote validation by maintaining consistent control flow in the voting logic.
  • Documentation

    • Minor adjustments made to comments for clarity.

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sourcery-ai bot commented Nov 3, 2024

Reviewer's Guide by Sourcery

This change removes the self-voting mechanism from the ledger's query process. Previously, the system would include its own vote when collecting votes for finalization, but this behavior has been removed to prevent self-sampling.

Sequence diagram for the ledger query process

sequenceDiagram
    participant Ledger
    participant Finalizer
    participant Client
    participant Block

    Ledger->>Finalizer: Get preferred vote
    Finalizer-->>Ledger: Return preferred vote

    Ledger->>Client: Get client ID
    Client-->>Ledger: Return client ID

    Ledger->>Ledger: Filter invalid votes
    Ledger->>Finalizer: Tick with calculated tallies
Loading

File-Level Changes

Change Details Files
Removed self-voting logic from the ledger query process
  • Removed code that included the node's own vote in the vote collection
  • Eliminated the creation of a finalization vote using the node's own ID
  • Removed the retrieval of preferred block for self-voting
ledger.go

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Thanks @2lambda123 for opening this PR!

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@2lambda123
Thank you for your contribution to this repository! We appreciate your effort in opening pull request.
Happy coding!

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Unable to locate .performanceTestingBot config file

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quine-bot bot commented Nov 3, 2024

👋 Figuring out if a PR is useful is hard, hopefully this will help.

  • @2lambda123 has been on GitHub since 2019 and in that time has had 2891 public PRs merged
  • They haven't contributed to this repo before
  • Here's a good example of their work: black-forest-labs-flux
  • From looking at their profile, they seem to be good with Python and Shell.

Their most recently public accepted PR is: 2lambda123/weld-core#19

@labels-and-badges labels-and-badges bot added NO JIRA This PR does not have a Jira Ticket PR:size/XS Denotes a Pull Request that changes 0-9 lines. labels Nov 3, 2024
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git-greetings bot commented Nov 3, 2024

PR Details of @2lambda123 in perlin-network-wavelet :

OPEN CLOSED TOTAL
4 0 4

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codeautopilot bot commented Nov 3, 2024

PR summary

This Pull Request modifies the ledger.go file to prevent the ledger from sampling its own block during the voting process. The change involves removing the code that adds the ledger's own vote to the list of votes. This adjustment aims to ensure that the ledger does not influence the voting process with its own block, potentially leading to more unbiased and accurate finalization of blocks.

Suggestion

Consider adding a test case to verify that the ledger no longer includes its own block in the vote sampling process. This will help ensure that the change behaves as expected and does not introduce any unintended side effects.

Disclaimer: This comment was entirely generated using AI. Be aware that the information provided may be incorrect.

Current plan usage: 2.71%

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Description has been updated!

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📥 Commits

Reviewing files that changed from the base of the PR and between f59047e and 0051647.

Walkthrough

The changes in this pull request focus on the ledger.go file, specifically modifying the query method within the Ledger struct. The most notable alteration is the removal of the logic that appended the ledger's own vote to the votes slice. This change affects how votes are collected and processed, potentially impacting the consensus mechanism by excluding the ledger's self-vote. Minor adjustments to comments and formatting were also made, but these do not alter the functionality of the code.

Changes

File Change Summary
ledger.go Removed logic for appending the ledger's own vote to the votes slice; minor comment and formatting adjustments.

Poem

In the ledger's dance, a change so bright,
The self-vote's gone, a curious sight.
Votes from peers now take the stage,
In the world of blocks, we turn the page.
Hops of consensus, let’s celebrate,
A streamlined process, oh, isn’t it great? 🐇✨


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penify-dev bot commented Nov 3, 2024

Failed to generate code suggestions for PR

@2lambda123 2lambda123 merged commit 7d09a58 into master Nov 3, 2024
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@2lambda123
Thank you for your contribution to this repository! We appreciate your effort in closing pull request.
Happy coding!

}

votes = append(votes, &finalizationVote{voter: l.client.ID(), block: preferred})

l.filterInvalidVotes(current, votes)
l.finalizer.Tick(calculateTallies(l.accounts, votes))

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The calculateTallies function is called within the Tick method without any performance considerations documented or apparent from this context. If calculateTallies is computationally intensive, this could introduce a significant performance bottleneck, especially under conditions where many votes need to be processed. Recommendation: Consider optimizing calculateTallies or ensure it handles large datasets efficiently. Additionally, profiling this part of the code under realistic loads could provide insights into potential performance improvements.

Comment on lines 939 to 940
l.filterInvalidVotes(current, votes)
l.finalizer.Tick(calculateTallies(l.accounts, votes))

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There is a lack of error handling for the filterInvalidVotes and calculateTallies functions. In a blockchain or distributed ledger context, ensuring the integrity and reliability of the consensus process is critical. Any errors during these operations could lead to incorrect state transitions or consensus failures. Recommendation: Implement error handling for these functions. This could involve returning errors from these functions and handling them appropriately, or using panic-recovery patterns to manage unexpected issues without crashing the node.

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Hey @2lambda123 - I've reviewed your changes - here's some feedback:

Overall Comments:

  • Please provide a detailed description of why this change is necessary. Removing self-votes from the consensus mechanism is a significant change that needs proper justification and documentation.
Here's what I looked at during the review
  • 🟢 General issues: all looks good
  • 🟢 Security: all looks good
  • 🟢 Testing: all looks good
  • 🟢 Complexity: all looks good
  • 🟢 Documentation: all looks good

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Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.

@quine-bot quine-bot bot mentioned this pull request Nov 3, 2024
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I've completed my review and didn't find any issues.

Files scanned
File Path Reviewed
ledger.go

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There was an issue running the performance test

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