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Increase Attestation Proof Generation Timeout#356

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jjeangal merged 2 commits intocelo-integration-rebase-14.2from
attestation-service-timeout
Feb 20, 2026
Merged

Increase Attestation Proof Generation Timeout#356
jjeangal merged 2 commits intocelo-integration-rebase-14.2from
attestation-service-timeout

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Simply increases the GenerateZKProof timeout from 2 minutes to 3 minutes as it has timed out a few times already.

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Summary of Changes

Hello @jjeangal, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses an operational stability concern by increasing the timeout duration for generating zero-knowledge proofs. The adjustment aims to mitigate instances where the proof generation process exceeds the previously allotted time, thereby improving the reliability of the attestation mechanism.

Highlights

  • Timeout Increase: The GenerateZKProof function's HTTP client timeout has been extended from 2 minutes to 3 minutes to prevent recurring timeout issues during attestation proof generation.

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Changelog
  • op-batcher/batcher/espresso.go
    • Increased the HTTP client timeout for GenerateZKProof from 2 minutes to 3 minutes.
Activity
  • No specific activity has been recorded for this pull request since its creation.
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Code Review

This pull request increases the ZK proof generation timeout from 2 to 3 minutes to mitigate observed timeouts during the attestation process. The change is a correct operational fix for the reported issue. My feedback suggests a refactoring to improve maintainability by avoiding hardcoded durations for network operations.

request.Header.Set("Content-Type", "application/octet-stream")
client := http.Client{
Timeout: 2 * time.Minute,
Timeout: 3 * time.Minute,
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medium

Hardcoding the timeout duration directly in the function body makes it difficult to adjust for different environments (e.g., slower development networks vs. production) without a recompile. Consider moving this value to a configuration parameter in the BatcherConfig struct or at least defining it as a constant at the top of the file. This is especially relevant for long-running operations like ZK proof generation which may have varying performance characteristics across different infrastructure setups.

request.Header.Set("Content-Type", "application/octet-stream")
client := http.Client{
Timeout: 2 * time.Minute,
Timeout: 3 * time.Minute,
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increase the time more or it will time out more

@jjeangal jjeangal merged commit c52aa42 into celo-integration-rebase-14.2 Feb 20, 2026
39 checks passed
@jjeangal jjeangal deleted the attestation-service-timeout branch February 20, 2026 18:11
shenkeyao pushed a commit that referenced this pull request Mar 20, 2026
* increase proof generation timeout

* increase to 5 minutes
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2 participants