webhooks-and-event-processing

What problem does it solve?

Unreliable Solana webhook streams and activity feeds are prone to duplicates, out-of-order processing, and data loss. This Skill enforces idempotent processing, strict ordering, and reliable retries to ensure every event is processed exactly once and in the correct sequence.

Core Features & Use Cases

• Idempotent processing: Safe replay of events by design.
• Dedupe and offset tracking: Use composite keys (slot+signature+index) to prevent duplicates and handle reorgs.
• Ordered processing with backpressure: Process events by slot then index while handling bursts with a queue and backpressure.
• Retries and DLQ: Exponential backoff with a dead-letter queue for poison messages and alerting.
• Backfill and catch-up: Reconcile missing slots on startup to keep state in sync.
• Monitoring: Metrics for queue depth, latency, failure rate; alerting rules.

Quick Start

Set up a webhook ingestion service that validates signatures, enqueues messages with slot, signature, and index; implement dedupe by slot:signature:index; configure a queue and DLQ; run a test feed to verify end-to-end processing.