feat(processor): add two-phase block completion with pending range limiter #48
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…miter Implement two-phase block completion tracking to prevent queue overload: - Phase 1: Mark blocks as enqueued (complete=false) with task count - Phase 2: Mark blocks complete (complete=true) when all tasks finish Introduce tracker package with reusable abstractions: - Limiter: distance-based throttling via maxPendingBlockRange config - PendingTracker: Redis-based pending task counting per block - Completion: shared block completion tracking logic Additional changes: - Add infinite retries with exponential backoff (5s to 10min cap) - Add state manager methods for incomplete block queries - Add ClickHouse QueryUInt64Slice for batch queries - Add sentinel errors in pkg/ethereum/errors.go - Centralize defaults in pkg/processor/defaults.go - Improve manager goroutine lifecycle with WaitGroup Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
mattevans
approved these changes
Jan 23, 2026
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Implement two-phase block completion tracking to prevent queue overload:
Introduce tracker package with reusable abstractions:
Additional changes: