🤖 Claude Code Review

Status: Complete

Current Review

This PR successfully refactors UTXO cleanup functionality from BlockAssembly into a dedicated Pruner service. The architecture is well-designed with proper separation of concerns.

Key improvements made:

• All previously reported issues have been resolved by the developer
• Event-driven architecture using BlockPersisted notifications
• Proper coordination with block persister to prevent data loss
• Clean separation between service layer and store implementation
• Good error handling and timeout management

No critical issues found. The code follows project conventions, includes comprehensive documentation, and handles edge cases appropriately.

History:

• ✅ Fixed: CLI flag naming consistency (-pruner matches service name)
• ✅ Fixed: File naming conventions (snake_case throughout)
• ✅ Fixed: Proto directory structure (services/pruner/pruner_api/)
• ✅ Fixed: Removed unused blobStore parameter
• ✅ Fixed: Metrics registration follows project patterns
• ✅ Fixed: Documentation updated to reflect 2-step pruner process

🤖 Claude Code Review

Status: Complete

Current Review:

This is a well-architected refactoring that extracts cleanup logic from BlockAssembler into a dedicated Cleanup service. The design is solid with proper separation of concerns, comprehensive error handling, and good coordination patterns.

Strengths:

• Clean extraction of cleanup responsibilities following microservices architecture
• Proper coordination with block persister via BlockPersisted notifications to avoid data loss
• Sequential processing with deduplication prevents flooding during block catchup
• Three-phase cleanup (preserve parents → process expired → DAH) with abort-on-failure for safety
• Comprehensive Prometheus metrics for observability
• Health check implementation with dependency validation

Minor observations:

• protobuf RPC method naming: HealthGRPC instead of Health - this appears intentional but differs from other services
• The protobuf Go package path references bitcoin-sv/teranode (should be bsv-blockchain/teranode) but this is generated code

Overall, this refactoring improves maintainability and follows teranode's microservices patterns correctly.

1. ✅ RPC Method Naming: HealthGRPC vs Health
   This is correct and intentional. This follows the established pattern across all teranode services:
   Health(ctx context.Context, checkLiveness bool) - Internal method used by health check framework
   HealthGRPC(ctx context.Context, *EmptyMessage) - gRPC endpoint that wraps the internal method
   Pattern confirmed in:
   services/alert/Server.go
   services/blockassembly/Server.go
   services/blockchain/Server.go
   services/blockvalidation/Server.go
   services/propagation/Server.go
   services/subtreevalidation/Server.go
   The cleanup service follows this exact pattern.
2. ✅ Protobuf Package Path
   Already correct. The .proto file uses:
   option go_package = "github.com/bsv-blockchain/teranode/services/cleanup/cleanup_api";
   The generated .pb.go files correctly reference bsv-blockchain/teranode. There are no references to the old bitcoin-sv organization name in the cleanup service code or generated protobuf files.
   Summary
   Both observations from GitHub are non-issues:
   The HealthGRPC naming is the correct established pattern
   The protobuf package paths are already correct (bsv-blockchain/teranode)
   No changes needed! The cleanup service follows all teranode conventions correctly. ✅

Additional Critical Issue: CleanupWorker.go:178 references s.settings.Cleanup.JobTimeout but this field is missing from the CleanupSettings struct in config/cleanup.go. Add JobTimeout time.Duration field to fix compilation error.

Old news - sorted already