Blockchain Data Indexing

Purpose

Guide the selection and implementation of blockchain data indexing solutions. Covers The Graph subgraphs, Dune Analytics queries, Goldsky pipelines, and custom indexer architecture for transforming raw on-chain data into queryable formats.

Agent Protocol

Trigger Keywords

"blockchain indexer", "subgraph", "The Graph", "Dune Analytics", "Dune", "Goldsky", "ChainIndex", "indexer architecture", "event indexing", "event handler", "call handler", "block handler", "data source template", "dynamic data source", "spellbook", "decoded table", "pipeline", "mirror", "ETL blockchain", "reorg handling", "chain reorg", "log polling", "event-driven indexing", "fromBlock", "toBlock", "healing"

Input Context

• Blockchain and chain(s) to index
• Data to extract (events, calls, state, traces)
• Query patterns (analytical, real-time, historical)
• Infrastructure preferences (managed service vs self-hosted)
• Budget constraints (gas costs, infrastructure costs)
• Reorg tolerance (confirmation depth)