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chore: fix clippy #6816

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@SWvheerden SWvheerden commented Feb 24, 2025

Description

Fix clippy

Summary by CodeRabbit

  • Chores
    • Enhanced the database update process to apply migrations sequentially, ensuring reliable and comprehensive updates.
    • Improved logging for clearer reporting of version changes during migrations.

@SWvheerden SWvheerden requested a review from a team as a code owner February 24, 2025 12:44
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coderabbitai bot commented Feb 24, 2025

Walkthrough

The changes update the run_migrations function in the LMDB database module. A variable has been renamed to last_migrated_version for clarity, and the single-version check has been replaced with a loop that iterates through migration versions from the last applied to the target version. The condition used for applying a migration has been modified (from n < 2 to i == 1), and the final database update now only occurs when necessary. Logging has also been updated to reflect these changes.

Changes

File Path Change Summary
base_layer/core/.../lmdb_db.rs Refactored run_migrations: renamed variable from n to last_migrated_version, changed single comparison to a loop over migration versions, updated migration condition (now uses i == 1), and adjusted final version update and logging statements.

Sequence Diagram(s)

sequenceDiagram
    participant RM as run_migrations
    participant DB as LMDB Database
    participant LOG as Logger

    RM->>DB: Retrieve last_migrated_version
    loop For each version from last_migrated_version to MIGRATION_VERSION
        RM->>DB: Check migration for version i
        DB-->>RM: Return migration status
        RM->>LOG: Log migration step for version i
    end
    alt Updates needed
        RM->>DB: Update migration version to MIGRATION_VERSION
        RM->>LOG: Log update completion
    else No update
        RM->>LOG: Log migration already at latest version
    end
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Poem

Hopping through the lines of code so fine,
I nibbled variable names to make them align.
Looping through migrations with a swift little hop,
Every version updated until I reached the top.
With a twitch of my nose and a joyful beat,
I celebrate the code with a happy rabbit treat! 🐇


📜 Recent review details

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Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between 512c86f and 046ea58.

📒 Files selected for processing (1)
  • base_layer/core/src/chain_storage/lmdb_db/lmdb_db.rs (1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (1)
  • GitHub Check: clippy
🔇 Additional comments (5)
base_layer/core/src/chain_storage/lmdb_db/lmdb_db.rs (5)

2881-2884: Improved variable naming for better code clarity.

Renaming n to last_migrated_version makes the code more readable by using a descriptive variable name that clearly indicates what the variable represents.


2891-2900: Well-structured migration loop for better extensibility.

The new approach using a loop to iterate through migration versions is more maintainable and flexible than the previous implementation. It allows migrations to be applied sequentially from the last applied version to the target version.


2893-2893: More precise version targeting for migrations.

Changing the condition from n < 2 to i == 1 makes it explicit which migration is being run, improving code clarity and reducing the chance of accidentally running migrations.


2901-2902: Optimized database update to avoid unnecessary writes.

Adding a check to ensure the database version is only updated if a migration was actually performed is a good optimization that prevents unnecessary database operations.


2903-2903: Fixed undefined variable in log statement.

The log statement now correctly uses MIGRATION_VERSION instead of a variable that could be undefined in the current scope, addressing the issue identified in a previous review.

✨ Finishing Touches
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github-actions bot commented Feb 24, 2025

Test Results (CI)

    3 files    129 suites   35m 28s ⏱️
1 361 tests 1 361 ✅ 0 💤 0 ❌
4 081 runs  4 081 ✅ 0 💤 0 ❌

Results for commit 046ea58.

♻️ This comment has been updated with latest results.

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github-actions bot commented Feb 24, 2025

Test Results (Integration tests)

36 tests   36 ✅  19m 31s ⏱️
11 suites   0 💤
 2 files     0 ❌

Results for commit 046ea58.

♻️ This comment has been updated with latest results.

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Actionable comments posted: 1

📜 Review details

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

📥 Commits

Reviewing files that changed from the base of the PR and between b4d905b and 512c86f.

📒 Files selected for processing (1)
  • base_layer/core/src/chain_storage/lmdb_db/lmdb_db.rs (1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (5)
  • GitHub Check: test (mainnet, stagenet)
  • GitHub Check: clippy
  • GitHub Check: cargo check with stable
  • GitHub Check: Cucumber tests / Base Layer
  • GitHub Check: Cucumber tests / FFI
🔇 Additional comments (3)
base_layer/core/src/chain_storage/lmdb_db/lmdb_db.rs (3)

2881-2888: Improved variable naming for better clarity.

Renaming from n to last_migrated_version makes the code more self-documenting and improves readability.


2891-2900: Good migration approach with sequential version checking.

The loop implementation ensures that all necessary migrations are applied sequentially from the last migrated version to the target version. This is more flexible and maintainable than the previous approach.


2901-2902: Optimization to prevent unnecessary database updates.

The condition if last_migrated_version != MIGRATION_VERSION ensures that the database is only updated when needed, avoiding unnecessary write operations.

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