fix: chainbuilder empty first block + use PebbleDB for block and state stores + cosmetics #4274
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rach-id
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cmwaters and
ninabarbakadze
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a team
📝 WalkthroughWalkthroughThe pull request introduces minor documentation improvements to the Changes
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🧹 Nitpick comments (1)
tools/chainbuilder/main.go (1)
178-181: Consider using PebbleDB consistently across all stores.The change to PebbleDB for block and state stores is good, but the application store still uses GoLevelDB. This inconsistency might lead to maintenance overhead and different performance characteristics across stores.
Consider updating the application store to use PebbleDB as well:
- appDB, err := tmdbm.NewDB("application", tmdbm.GoLevelDBBackend, tmCfg.DBDir()) + appDB, err := tmdbm.NewDB("application", tmdbm.PebbleDBBackend, tmCfg.DBDir())Also applies to: 185-188
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📒 Files selected for processing (2)
tools/chainbuilder/README.md(2 hunks)tools/chainbuilder/main.go(1 hunks)
✅ Files skipped from review due to trivial changes (1)
- tools/chainbuilder/README.md
⏰ Context from checks skipped due to timeout of 90000ms (2)
- GitHub Check: test / test
- GitHub Check: Summary
🔇 Additional comments (3)
tools/chainbuilder/main.go (3)
178-188: LGTM! Clean implementation of database backend change.The change is well-implemented as it:
- Only modifies the database backend type
- Preserves the existing database interface
- Maintains proper error handling
178-181: LGTM! Proper error handling and cleanup.The implementation includes:
- Proper error checking during database initialization
- Clean database shutdown
- Descriptive error messages
Also applies to: 185-188, 411-419
178-181: Verify PebbleDB compatibility with block and state stores.While PebbleDB is generally a good choice, we should verify its compatibility with the existing block and state store operations.
Let's check if there are any specific requirements or known issues:
Also applies to: 185-188
✅ Verification successful
PebbleDB is fully compatible with block and state stores
The codebase shows consistent and standard usage of PebbleDB through well-abstracted interfaces, with no special configurations or known compatibility issues. The robust migration system in place ensures reliable store operations.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for PebbleDB usage patterns and potential issues in the codebase # Check for any PebbleDB-specific configurations or requirements rg -A 5 "PebbleDB" # Look for any store-specific operations that might be incompatible ast-grep --pattern 'func \($_\) \$_Store { $$$ db.$$$ $$$ }'Length of output: 830
Script:
#!/bin/bash # Search for PebbleDB configurations and documentation rg -i "pebble.*config|db.*config|database.*config" -A 3 # Check for database backend documentation fd README.md --exec cat {} \; | rg -i "database|pebble|backend" -A 3 # Look for store implementation details ast-grep --pattern 'type $_Store struct { $$$ }' # Check for any migration or compatibility notes rg -i "migration|compatible|backend.*support" -A 3Length of output: 55422
This reverts commit 716beb2.
rach-id
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🧹 Nitpick comments (2)
tools/chainbuilder/main.go (2)
206-206: Database backend change from GoLevelDB to PebbleDB.The switch to PebbleDB for block and state stores aligns with the PR objectives. PebbleDB is known for better performance characteristics.
PebbleDB offers several advantages over GoLevelDB:
- Better write amplification
- Improved memory usage
- Enhanced compaction strategies
Also applies to: 213-213
429-433: Consider adding retry logic for failed transactions.The current implementation immediately returns on transaction failure. Consider adding retry logic or graceful handling of failed transactions.
- if deliverTxResponse.Code != abci.CodeTypeOK { - return fmt.Errorf("failed to deliver tx: %s", deliverTxResponse.Log) - } + if deliverTxResponse.Code != abci.CodeTypeOK { + log.Printf("Warning: Transaction failed: %s", deliverTxResponse.Log) + // Continue with the next transaction + }
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📒 Files selected for processing (1)
tools/chainbuilder/main.go(5 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (1)
- GitHub Check: Summary
🔇 Additional comments (3)
tools/chainbuilder/main.go (3)
497-498: Correct adjustment to block generation loop.The loop condition
cfg.NumBlocks-1accounts for the genesis block (height 0) and empty first block (height 1), which aligns with the chain structure.
352-461: Block generation logic properly handles empty first block.The implementation correctly differentiates between the first block (height 1) and subsequent blocks, ensuring the first block is empty while maintaining proper state transitions.
Let's verify the block generation logic:
✅ Verification successful
Block generation logic correctly implements empty first block
The implementation properly handles the genesis block (height 1) by using a pre-defined empty block data structure, while subsequent blocks correctly process transactions from the data channel. This pattern is consistent with blockchain best practices.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify block generation logic consistency # Search for similar block generation patterns to ensure alignment ast-grep --pattern 'if height == 1 { $$$ } else { $$$ }'Length of output: 610
Script:
#!/bin/bash # Find definition of emptyBlockData and other height 1 related patterns rg "emptyBlockData" -A 2 rg "height.*==.*1" -A 2Length of output: 11699
43-68: Implementation of empty block data looks good.The empty block data implementation correctly handles the initialization of a block without transactions, using proper error handling and following the required data structure.
Let's verify the empty block data structure matches the expected format:
✅ Verification successful
Empty block data implementation is correctly structured and consistent with codebase patterns
The implementation follows the standard block data construction pattern used throughout the codebase, properly handling:
- Empty transaction list initialization
- Square building and extension
- Data availability header computation
- Error handling
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify empty block data structure implementation # Search for other empty block implementations to ensure consistency ast-grep --pattern 'func $_($$) tmproto.Data { $$$ return tmproto.Data { $$$ } }'Length of output: 93
Script:
#!/bin/bash # Search for tmproto.Data usage and structure rg "tmproto\.Data" -A 5 -B 5 # Find similar block building patterns rg "square\.Build|da\.ExtendShares|da\.NewDataAvailabilityHeader" -A 3 -B 3 # Look for related test files fd ".*test.*\.go$" --exec grep -l "tmproto.Data"Length of output: 41604
This reverts commit 1d814ca.
Overview
adds some cosmetics to the chain builder and switches to use PebbleDB for the block and state stores