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chore(execution): Dropped DenebPlus redundant check #2069

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merged 5 commits into from
Oct 15, 2024

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abi87
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@abi87 abi87 commented Oct 14, 2024

Summary by CodeRabbit

  • Bug Fixes

    • Improved error handling for payload and fork choice responses, ensuring clearer error messages for nil results.
    • Enhanced version validation logic to prevent invalid versions from being processed.
  • Refactor

    • Simplified control flow in key methods for better readability and maintainability.

@abi87 abi87 self-assigned this Oct 14, 2024
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coderabbitai bot commented Oct 14, 2024

Walkthrough

The changes in this pull request focus on modifications to the mod/execution/pkg/client/engine.go and mod/execution/pkg/client/ethclient/engine.go files, specifically enhancing the control flow and error handling in the EngineClient struct methods. The NewPayload, ForkchoiceUpdated, and GetPayload methods were updated to simplify their logic by replacing else if statements with independent if statements for checking nil results, leading to more direct error returns. Additionally, version validation logic was streamlined.

Changes

File Path Change Summary
mod/execution/pkg/client/engine.go - Updated NewPayload method to use if for nil result check.
- Updated ForkchoiceUpdated method to use if for nil result check.
- Updated GetPayload method to replace switch with if statements for error handling.
mod/execution/pkg/client/ethclient/engine.go - Modified NewPayload, ForkchoiceUpdated, and GetPayload methods to simplify version validation logic, replacing switch-case with direct conditional checks.

Possibly related PRs

  • feat(types): Modular PayloadID #1550: The changes in this PR involve modifications to the GetPayload method and related structures, which are directly relevant to the changes made in the GetPayload method in the main PR.
  • feat(engine): Improving logging and metrics #1592: This PR enhances error handling and logging within the Engine function, which is related to the modifications made to the ForkchoiceUpdated method in the main PR, as both involve improving the handling of payloads and fork choice updates.

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Suggested reviewers

  • itsdevbear
  • ocnc

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🐇 In the code where errors play,
A rabbit hops to clear the way.
With if statements, neat and bright,
Control flows smoothly, oh what a sight!
Simplified paths, no more despair,
Happy coding, everywhere! 🌟


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Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between 18245a7 and c470739.

📒 Files selected for processing (1)
  • mod/execution/pkg/client/engine.go (3 hunks)
🧰 Additional context used
🔇 Additional comments (4)
mod/execution/pkg/client/engine.go (4)

63-64: Improved error handling and code structure.

The changes simplify the error handling by directly checking if the result is nil. This reduces nesting and improves readability, aligning with the previous comment about reducing indentation. Good job on this improvement!


119-120: Consistent improvement in error handling.

The changes here mirror the improvements made in the NewPayload method. By directly checking for a nil result and returning an error, the code becomes more readable and maintainable. This consistency across methods is commendable.


Line range hint 1-205: Overall improvements with a minor consideration.

The changes in this file consistently enhance error handling and code structure across multiple methods. The simplification of control flow and direct error returns improve readability and maintainability.

The only point that requires attention is the blob bundle check in the GetPayload method. Please verify if this check should be conditional based on the fork version, as discussed in the previous comment.

Great job on improving the code quality and consistency!


153-163: Improved error handling, but verify blob bundle check.

The restructuring of error handling is consistent with the changes made in other methods, which is great for code consistency. The additional check for a nil blob bundle is a good safeguard.

However, please verify if the check for result.GetBlobsBundle() being nil should be conditional based on the fork version. In the previous implementation, this check was only performed for fork versions >= Deneb. If this condition is still necessary, consider updating the code as follows:

 if result == nil {
   return result, engineerrors.ErrNilExecutionPayloadEnvelope
 }
-if result.GetBlobsBundle() == nil {
+if forkVersion >= version.Deneb && result.GetBlobsBundle() == nil {
   return result, engineerrors.ErrNilBlobsBundle
 }

To confirm if this change is necessary, let's check the usage of GetBlobsBundle() in the codebase:


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@@ -116,7 +117,8 @@ func (s *EngineClient[
s.metrics.incrementForkchoiceUpdateTimeout()
}
return nil, nil, s.handleRPCError(err)
} else if result == nil {
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not strictly necessary for this PR, but I like reducing indentation as much as possible

Comment on lines -152 to -161
switch {
case err != nil:
if err != nil {
if errors.Is(err, engineerrors.ErrEngineAPITimeout) {
s.metrics.incrementGetPayloadTimeout()
}
return result, s.handleRPCError(err)
case result == nil:
}
if result == nil {
return result, engineerrors.ErrNilExecutionPayloadEnvelope
case result.GetBlobsBundle() == nil &&
((forkVersion >= version.Deneb) || (forkVersion >= version.DenebPlus)):
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@abi87 abi87 Oct 14, 2024

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forkVersion check is done in s.Client.GetPayload

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between 4a76df8 and 23e8ed9.

📒 Files selected for processing (1)
  • mod/execution/pkg/client/engine.go (3 hunks)
🧰 Additional context used
🔇 Additional comments (3)
mod/execution/pkg/client/engine.go (3)

64-66: LGTM: Improved error handling

The changes simplify the error handling logic by directly checking if the result is nil. This improves code readability while maintaining the same functionality.


120-122: LGTM: Consistent error handling improvement

The changes in this method follow the same pattern as in NewPayload, simplifying the error handling logic. This consistency improves the overall code quality and maintainability.


Line range hint 1-203: Summary: Improved error handling and data integrity checks

The changes in this file consistently enhance error handling across multiple methods (NewPayload, ForkchoiceUpdated, and GetPayload). The modifications simplify the code structure, improve readability, and add important data integrity checks, particularly for the Deneb fork version.

These improvements contribute to a more robust and maintainable codebase, reducing the likelihood of unhandled edge cases and improving the overall reliability of the engine client implementation.

mod/execution/pkg/client/engine.go Outdated Show resolved Hide resolved
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codecov bot commented Oct 14, 2024

Codecov Report

Attention: Patch coverage is 0% with 15 lines in your changes missing coverage. Please review.

Project coverage is 22.25%. Comparing base (62b1b3f) to head (b2e13da).
Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
mod/execution/pkg/client/ethclient/engine.go 0.00% 8 Missing ⚠️
mod/execution/pkg/client/engine.go 0.00% 7 Missing ⚠️
Additional details and impacted files

Impacted file tree graph

@@           Coverage Diff           @@
##             main    #2069   +/-   ##
=======================================
  Coverage   22.25%   22.25%           
=======================================
  Files         356      356           
  Lines       16023    16021    -2     
  Branches       12       12           
=======================================
  Hits         3566     3566           
+ Misses      12305    12303    -2     
  Partials      152      152           
Files with missing lines Coverage Δ
mod/execution/pkg/client/engine.go 0.00% <0.00%> (ø)
mod/execution/pkg/client/ethclient/engine.go 0.00% <0.00%> (ø)

if errors.Is(err, engineerrors.ErrEngineAPITimeout) {
s.metrics.incrementGetPayloadTimeout()
}
return result, s.handleRPCError(err)
case result == nil:
}
if result == nil {
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@abi87 abi87 Oct 14, 2024

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note: all the result == nil checks in this file are redundant. Not sure we want to drop them, nor that in case I should do it in this PR. Prolly will open a separate one

@itsdevbear itsdevbear enabled auto-merge (squash) October 15, 2024 15:06
@itsdevbear itsdevbear merged commit 18f5d37 into main Oct 15, 2024
16 checks passed
@itsdevbear itsdevbear deleted the redundant-check-DenebPlus branch October 15, 2024 15:15
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3 participants