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refactor(core/gas): remove WithXXGasMeter from gas service #20072

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merged 5 commits into from
May 28, 2024

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julienrbrt
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@julienrbrt julienrbrt commented Apr 17, 2024

Description

Follow-up of #20071.
Needed by #19949

The inconsistency in api supported by the services requires having two different implementations for the ante handler in tx validator in #19949.
This is because WithGasMeter and WithBlockMeter isn't implemented in server/v2/stf.
Additionally, having getter and setter separated makes the api weird.


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  • reviewed "Files changed" and left comments if necessary
  • included the necessary unit and integration tests
  • added a changelog entry to CHANGELOG.md
  • updated the relevant documentation or specification, including comments for documenting Go code
  • confirmed all CI checks have passed

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Summary by CodeRabbit

  • New Features

    • Enhanced gas management with new methods for gas consumption and refunding.
  • Refactor

    • Simplified gas service interface by removing redundant methods.

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coderabbitai bot commented Apr 17, 2024

Walkthrough

Walkthrough

The recent updates streamline the gas management functionalities in the codebase by removing the WithGasMeter and WithBlockGasMeter methods from both the Service interface in core/gas/service.go and the GasService struct in runtime/gas.go. Additionally, new methods for gas consumption and refunding have been added to the CoreGasmeter struct, enhancing its capability to handle gas operations directly.

Changes

File Change Summary
core/gas/service.go Removed WithGasMeter and WithBlockGasMeter methods from the Service interface.
runtime/gas.go Removed WithGasMeter and WithBlockGasMeter methods from GasService struct.
Added Consume, Refund, Remaining, and Limit methods to CoreGasmeter struct.

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Base automatically changed from julien/refactor-env-core to main April 17, 2024 18:22
@julienrbrt julienrbrt marked this pull request as ready for review May 21, 2024 09:26
@julienrbrt julienrbrt requested a review from a team as a code owner May 21, 2024 09:26
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After this PR I'll be bringing the tx validators to main

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Actionable comments posted: 2

Outside diff range and nitpick comments (2)
runtime/gas.go (2)

29-32: Define the purpose of CoreGasmeter more clearly in the comment.

The comment for CoreGasmeter could be enhanced to explain why this wrapper is necessary and how it interacts with other parts of the system.


44-46: Review the necessity of separate Remaining and Limit methods.

Both methods Remaining and Limit directly call corresponding methods on storetypes.GasMeter. If these methods do not add additional logic or processing, consider whether these wrapper methods are necessary, or if direct calls to storetypes.GasMeter could be used instead.

Also applies to: 48-50

Review Details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits Files that changed from the base of the PR and between a2aaed6 and 8be2ca3.
Files selected for processing (2)
  • core/gas/service.go (1 hunks)
  • runtime/gas.go (2 hunks)
Files skipped from review due to trivial changes (1)
  • core/gas/service.go
Additional Context Used
Path-based Instructions (1)
runtime/gas.go (1)

Pattern **/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.

Comment on lines +34 to +37
func (cgm CoreGasmeter) Consume(amount gas.Gas, descriptor string) error {
cgm.gm.ConsumeGas(amount, descriptor)
return nil
}
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Ensure error handling in Consume method.

The ConsumeGas method of storetypes.GasMeter might return an error which is currently ignored. Consider handling this potential error to avoid runtime panics or incorrect gas tracking.

- cgm.gm.ConsumeGas(amount, descriptor)
+ err := cgm.gm.ConsumeGas(amount, descriptor)
+ if err != nil {
+     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
func (cgm CoreGasmeter) Consume(amount gas.Gas, descriptor string) error {
cgm.gm.ConsumeGas(amount, descriptor)
return nil
}
func (cgm CoreGasmeter) Consume(amount gas.Gas, descriptor string) error {
err := cgm.gm.ConsumeGas(amount, descriptor)
if err != nil {
return err
}
return nil
}

Comment on lines +39 to +42
func (cgm CoreGasmeter) Refund(amount gas.Gas, descriptor string) error {
cgm.gm.RefundGas(amount, descriptor)
return nil
}
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Ensure error handling in Refund method.

Similar to the Consume method, the RefundGas method might return an error that is not currently handled. This could lead to incorrect gas calculations if ignored.

- cgm.gm.RefundGas(amount, descriptor)
+ err := cgm.gm.RefundGas(amount, descriptor)
+ if err != nil {
+     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
func (cgm CoreGasmeter) Refund(amount gas.Gas, descriptor string) error {
cgm.gm.RefundGas(amount, descriptor)
return nil
}
func (cgm CoreGasmeter) Refund(amount gas.Gas, descriptor string) error {
err := cgm.gm.RefundGas(amount, descriptor)
if err != nil {
return err
}
return nil
}

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lgtm

@tac0turtle tac0turtle added this pull request to the merge queue May 28, 2024
Merged via the queue into main with commit dac569c May 28, 2024
68 checks passed
@tac0turtle tac0turtle deleted the julien/core-gas branch May 28, 2024 13:51
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4 participants