fix: backoff before retrieving receipts

[dinhani-cw]

No description provided.

[github-actions]

PR Review 🔍

⏱️ Estimated effort to review [1-5]	2, because the changes are minimal and localized to a specific functionality, but understanding the impact of timing changes in asynchronous operations requires careful consideration.
🧪 Relevant tests	No
⚡ Possible issues	Possible Race Condition: Introducing a fixed delay (BACKOFF_RECEIPTS) might not be sufficient or optimal for all network conditions or block sizes. This could lead to situations where receipts are still not available after the delay, especially under high network load or large blocks.
🔒 Security concerns	No

Code feedback:

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relevant file	src/bin/importer_online.rs
suggestion	Consider implementing a dynamic backoff strategy or using an exponential backoff to handle different network conditions and block sizes more efficiently. This could help in reducing unnecessary delays or handling high load situations better. [important]
relevant line	const BACKOFF_RECEIPTS: Duration = Duration::from_millis(10);

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relevant file	src/bin/importer_online.rs
suggestion	Evaluate the use of a configurable parameter for BACKOFF_RECEIPTS instead of a hard-coded value. This allows for easier adjustments based on deployment environment or network conditions without needing to change the code. [important]
relevant line	const BACKOFF_RECEIPTS: Duration = Duration::from_millis(10);

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relevant file	src/bin/importer_online.rs
suggestion	Add logging before and after the sleep to trace the behavior and effectiveness of the backoff in production. This can help in debugging issues related to timing and receipt fetching. [medium]
relevant line	let _ = tokio::time::sleep(BACKOFF_RECEIPTS).await;

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relevant file	src/bin/importer_online.rs
suggestion	Consider checking the availability of receipts in a loop with a timeout to ensure that you proceed only when the receipts are actually available, thus avoiding potential failures in fetching them. [important]
relevant line	let _ = tokio::time::sleep(BACKOFF_RECEIPTS).await;

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[github-actions]

PR Code Suggestions ✨

Category	Suggestion	Score
Enhancement	Implement a dynamic backoff strategy for better handling of receipt availability Instead of using a hardcoded sleep, consider implementing a backoff strategy that dynamically adjusts based on the availability of receipts. This could involve checking for receipt availability and increasing the wait time exponentially if they are not yet available. src/bin/importer_online.rs [292] -let _ = tokio::time::sleep(BACKOFF_RECEIPTS).await; +let mut backoff = BACKOFF_RECEIPTS; +while receipts_not_available() { + tokio::time::sleep(backoff).await; + backoff *= 2; // Exponential backoff +} Suggestion importance[1-10]: 9 Why: Implementing a dynamic backoff strategy can significantly enhance the robustness and efficiency of the receipt retrieval process by adapting to varying conditions, making it a valuable improvement.	9
	Add error handling for the sleep operation to enhance robustness Add error handling for the sleep operation to manage scenarios where the sleep might be interrupted or fail. This can help in ensuring the robustness of the receipt fetching process. src/bin/importer_online.rs [292] -let _ = tokio::time::sleep(BACKOFF_RECEIPTS).await; +if let Err(e) = tokio::time::sleep(BACKOFF_RECEIPTS).await { + log::error!("Failed to sleep for receipt backoff: {}", e); + return Err(e); +} Suggestion importance[1-10]: 8 Why: Adding error handling for the sleep operation enhances the robustness of the code by ensuring that potential interruptions or failures are managed properly, which is important for reliable execution.	8
	Improve the clarity of the constant name by making it more descriptive Consider using a more descriptive variable name for BACKOFF_RECEIPTS to reflect its purpose more clearly. For example, RECEIPT_RETRIEVAL_BACKOFF would indicate that this constant is specifically for delaying the retrieval of receipts. src/bin/importer_online.rs [54] -const BACKOFF_RECEIPTS: Duration = Duration::from_millis(10); +const RECEIPT_RETRIEVAL_BACKOFF: Duration = Duration::from_millis(10); Suggestion importance[1-10]: 7 Why: The suggestion improves code readability and maintainability by making the constant name more descriptive, but it does not address a critical issue.	7
Possible issue	Increase the backoff time to ensure the availability of receipts Increase the backoff time for receipt retrieval to ensure that receipts have adequate time to become available. A backoff time of 10 milliseconds may be too short. Consider increasing it to at least 100 milliseconds. src/bin/importer_online.rs [54] -const BACKOFF_RECEIPTS: Duration = Duration::from_millis(10); +const BACKOFF_RECEIPTS: Duration = Duration::from_millis(100); Suggestion importance[1-10]: 8 Why: This suggestion addresses a potential issue where the current backoff time might be insufficient, potentially leading to errors in receipt retrieval. Increasing the backoff time can improve the reliability of the process.	8

[renancloudwalk]

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