Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Fix/c4 qa #71

Merged
merged 5 commits into from
Feb 4, 2025
Merged

Fix/c4 qa #71

merged 5 commits into from
Feb 4, 2025

Conversation

sh-cha
Copy link
Collaborator

@sh-cha sh-cha commented Feb 3, 2025

Summary by CodeRabbit

  • New Features

    • Introduced functionality to delete future nodes from the database, enhancing data cleanup processes.
    • Added a method to generate prefixed node keys based on tree indices, expanding key management capabilities.
  • Tests

    • Enhanced test coverage for node deletion and key generation functionalities, ensuring system reliability.
  • Refactor

    • Improved sorting logic for pending events to promote code reuse and maintainability.

@sh-cha sh-cha self-assigned this Feb 3, 2025
@sh-cha sh-cha requested a review from a team as a code owner February 3, 2025 06:53
Copy link
Contributor

coderabbitai bot commented Feb 3, 2025

Walkthrough

This pull request introduces several enhancements across different components. It encapsulates the sorting logic for pending events into a new function, SortPendingEvents, which is utilized in both GetAllSortedPendingEvents and GetUnprocessedPendingEvents. The merkle package gains a new function, DeleteFutureNodes, for removing nodes based on their version, along with a helper function, PrefixedNodeKeyWithTreeIndex, for generating node keys. Corresponding tests are added or updated to ensure functionality. Additionally, the Initialize method in the provider is modified to include the deletion of future nodes.

Changes

File(s) Change Summary
challenger/eventhandler/pending_events.go Extracted sorting logic into a new SortPendingEvents function; replaced inline sorting in GetAllSortedPendingEvents and GetUnprocessedPendingEvents.
merkle/db.go
merkle/db_test.go
merkle/merkle_test.go
merkle/types/key.go
merkle/types/key_test.go
Added DeleteFutureNodes to remove nodes with versions >= a given value, introduced PrefixedNodeKeyWithTreeIndex for generating keys, and updated tests including TestDeleteFutureNodes and modifications in TestInsertLeaf.
provider/child/child.go Updated BaseChild.Initialize to invoke DeleteFutureNodes (after DeleteFutureWorkingTrees), enhancing the cleanup process.

Sequence Diagram(s)

sequenceDiagram
    participant C as Client/System
    participant EH as EventHandler
    participant SE as SortPendingEvents
    C->>EH: Call GetAllSortedPendingEvents / GetUnprocessedPendingEvents
    EH->>SE: Pass pending events slice for sorting
    SE-->>EH: Return sorted events slice
    EH-->>C: Return sorted events
Loading
sequenceDiagram
    participant BC as BaseChild
    participant DB as Database
    participant DWT as DeleteFutureWorkingTrees
    participant DFN as DeleteFutureNodes

    BC->>DB: Call DeleteFutureWorkingTrees(version+1)
    DB-->>BC: Acknowledge deletion
    BC->>DB: Call DeleteFutureNodes(version+1)
    DB-->>BC: Acknowledge deletion or error
    BC-->>Caller: Return initialization result (error if any)
Loading

Suggested reviewers

  • beer-1

Poem

I'm a bouncing bunny on a quest,
Hopping through code with zeal and jest.
Sorting events and trimming nodes so neat,
My little paws make code maintenance sweet.
With each refactor, I cheer with delight –
A carrot for progress, shining bright!
🥕🐇

✨ Finishing Touches
  • 📝 Generate Docstrings (Beta)

🪧 Tips

Chat

There are 3 ways to chat with CodeRabbit:

  • Review comments: Directly reply to a review comment made by CodeRabbit. Example:
    • I pushed a fix in commit <commit_id>, please review it.
    • Generate unit testing code for this file.
    • Open a follow-up GitHub issue for this discussion.
  • Files and specific lines of code (under the "Files changed" tab): Tag @coderabbitai in a new review comment at the desired location with your query. Examples:
    • @coderabbitai generate unit testing code for this file.
    • @coderabbitai modularize this function.
  • PR comments: Tag @coderabbitai in a new PR comment to ask questions about the PR branch. For the best results, please provide a very specific query, as very limited context is provided in this mode. Examples:
    • @coderabbitai gather interesting stats about this repository and render them as a table. Additionally, render a pie chart showing the language distribution in the codebase.
    • @coderabbitai read src/utils.ts and generate unit testing code.
    • @coderabbitai read the files in the src/scheduler package and generate a class diagram using mermaid and a README in the markdown format.
    • @coderabbitai help me debug CodeRabbit configuration file.

Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments.

CodeRabbit Commands (Invoked using PR comments)

  • @coderabbitai pause to pause the reviews on a PR.
  • @coderabbitai resume to resume the paused reviews.
  • @coderabbitai review to trigger an incremental review. This is useful when automatic reviews are disabled for the repository.
  • @coderabbitai full review to do a full review from scratch and review all the files again.
  • @coderabbitai summary to regenerate the summary of the PR.
  • @coderabbitai generate docstrings to generate docstrings for this PR. (Beta)
  • @coderabbitai resolve resolve all the CodeRabbit review comments.
  • @coderabbitai configuration to show the current CodeRabbit configuration for the repository.
  • @coderabbitai help to get help.

Other keywords and placeholders

  • Add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.
  • Add @coderabbitai summary to generate the high-level summary at a specific location in the PR description.
  • Add @coderabbitai anywhere in the PR title to generate the title automatically.

CodeRabbit Configuration File (.coderabbit.yaml)

  • You can programmatically configure CodeRabbit by adding a .coderabbit.yaml file to the root of your repository.
  • Please see the configuration documentation for more information.
  • If your editor has YAML language server enabled, you can add the path at the top of this file to enable auto-completion and validation: # yaml-language-server: $schema=https://coderabbit.ai/integrations/schema.v2.json

Documentation and Community

  • Visit our Documentation for detailed information on how to use CodeRabbit.
  • Join our Discord Community to get help, request features, and share feedback.
  • Follow us on X/Twitter for updates and announcements.

Copy link
Contributor

@coderabbitai coderabbitai bot left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Actionable comments posted: 0

🧹 Nitpick comments (1)
challenger/eventhandler/pending_events.go (1)

78-78: Remove unused return value.

The SortPendingEvents function's return value is not being used. Since the function modifies the slice in place, the return value is unnecessary.

Apply this diff:

-  SortPendingEvents(pendingEvents)
+  _ = SortPendingEvents(pendingEvents)

Or modify the function to not return anything:

-func SortPendingEvents(pendingEvents []challengertypes.ChallengeEvent) []challengertypes.ChallengeEvent {
+func SortPendingEvents(pendingEvents []challengertypes.ChallengeEvent) {
   sort.Slice(pendingEvents, func(i, j int) bool {
     if pendingEvents[i].Type() == pendingEvents[j].Type() {
       return pendingEvents[i].Id().Id < pendingEvents[j].Id().Id
     }
     return pendingEvents[i].Type() < pendingEvents[j].Type()
   })
-  return pendingEvents
}

Also applies to: 95-95

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 3cc9494 and 578927c.

📒 Files selected for processing (7)
  • challenger/eventhandler/pending_events.go (2 hunks)
  • merkle/db.go (1 hunks)
  • merkle/db_test.go (1 hunks)
  • merkle/merkle_test.go (1 hunks)
  • merkle/types/key.go (1 hunks)
  • merkle/types/key_test.go (1 hunks)
  • provider/child/child.go (1 hunks)
🔇 Additional comments (7)
merkle/types/key_test.go (1)

39-44: LGTM! Test implementation is well-structured.

The test case follows the established pattern in the file and provides good coverage for the new PrefixedNodeKeyWithTreeIndex function.

merkle/types/key.go (1)

49-57: LGTM! Implementation is consistent with existing patterns.

The function follows the established pattern of key generation in the file and correctly handles binary encoding of the tree index.

challenger/eventhandler/pending_events.go (1)

99-107: LGTM! Good refactoring of sorting logic.

The extraction of sorting logic into a separate function improves code reuse and maintainability.

merkle/db.go (1)

54-71: LGTM! Implementation follows established patterns.

The function correctly implements the deletion of future nodes following the same pattern as other deletion functions in the file, with proper error handling.

merkle/db_test.go (1)

235-286: LGTM! Test coverage looks good.

The test function thoroughly verifies the functionality of DeleteFutureNodes by:

  • Testing deletion of nodes with tree indices >= 5.
  • Testing deletion of all nodes when fromVersion is 0.
  • Verifying that nodes with tree indices < 5 are preserved.
provider/child/child.go (1)

155-158: LGTM! Consistent with existing initialization logic.

The addition of DeleteFutureNodes follows the same pattern as DeleteFutureWorkingTrees and maintains consistent error handling.

merkle/merkle_test.go (1)

305-308: LGTM! Test expectations corrected.

The changes to the expected node properties correctly reflect the node's position in the Merkle tree after inserting 4 nodes:

  • Height 2 is correct as it's a parent node.
  • LocalNodeIndex 0 is correct for the first node at height 2.
  • Data hash1234[:] is correct as it's the hash of hash12 and hash34.

merkle/db.go Outdated Show resolved Hide resolved
Copy link
Member

@beer-1 beer-1 left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

LGTM, left minor comment

Copy link
Contributor

@coderabbitai coderabbitai bot left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Actionable comments posted: 0

🧹 Nitpick comments (3)
merkle/db.go (3)

54-71: Add documentation comment for DeleteFutureNodes.

Add a documentation comment explaining the purpose and behavior of this function, similar to other functions in the file.

+// DeleteFutureNodes deletes all nodes with tree index greater than or equal to treeIndex.
 func DeleteFutureNodes(db types.DB, treeIndex uint64) error {

60-62: Enhance error handling with descriptive message.

Wrap the database iteration error with additional context to help with debugging.

 	if err != nil {
-		return err
+		return fmt.Errorf("failed to iterate over nodes: %w", err)
 	}

54-71: Consider using transactions for atomic operations.

The function performs multiple delete operations. Consider wrapping these operations in a transaction to ensure atomicity, especially when dealing with a large number of nodes.

Example implementation:

func DeleteFutureNodes(db types.DB, treeIndex uint64) error {
    var deleteKeys [][]byte
    err := db.Iterate(dbtypes.AppendSplitter(merkletypes.NodePrefix), 
        merkletypes.PrefixedNodeKeyWithTreeIndex(treeIndex), 
        func(key, _ []byte) (bool, error) {
            deleteKeys = append(deleteKeys, key)
            return false, nil
        })
    if err != nil {
        return fmt.Errorf("failed to iterate over nodes: %w", err)
    }

    // Start transaction
    batch := db.NewBatch()
    defer batch.Close()

    for _, key := range deleteKeys {
        if err := batch.Delete(key); err != nil {
            return fmt.Errorf("failed to delete node: %w", err)
        }
    }

    return batch.Write()
}

Note: This is a suggestion assuming the DB interface supports transactions. Please verify if your DB implementation supports this feature.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 578927c and 0e6034e.

📒 Files selected for processing (1)
  • merkle/db.go (1 hunks)
🔇 Additional comments (1)
merkle/db.go (1)

54-71: Verify implementation consistency across the codebase.

Let's verify the usage patterns and error handling consistency of the new function.

✅ Verification successful

DeleteFutureNodes usage and error handling are consistent across the codebase.

  • The function is correctly used in tests (see merkle/db_test.go) and in client code (e.g., provider/child/child.go), with proper error handling.
  • The error handling pattern within DeleteFutureNodes mirrors similar implementations in the merkle package.
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify implementation consistency and usage patterns

# Find all usages of DeleteFutureNodes
echo "=== DeleteFutureNodes usages ==="
rg "DeleteFutureNodes" -A 3 -B 3

# Find similar delete patterns for comparison
echo -e "\n=== Similar delete patterns ==="
ast-grep --pattern 'func Delete$$$($$$) error {
  var deleteKeys [][]byte
  $$$
}'

# Check error handling patterns
echo -e "\n=== Error handling patterns in merkle package ==="
rg "if err != nil" --type go -A 2 merkle/

Length of output: 4389

@sh-cha sh-cha merged commit 4910bc0 into main Feb 4, 2025
6 checks passed
@sh-cha sh-cha deleted the fix/c4-qa branch February 4, 2025 03:13
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

2 participants