indexing - Onchain Data Indexing and Querying
Read and query blockchain historical data using events and indexing protocols like The Graph
Tags
Updated: 2026-06-30Typical Inputs
Typical Outputs
What this skill does
- read contract events
- query historical data
- create subgraph
- deploy indexer
- get token balances
- fetch NFT transfers
- read current state
- write GraphQL queries
- monitor real-time events
Inputs
- contract address
- contract ABI
- block number range
- GraphQL query
- user address
- RPC endpoint URL
- events list
Outputs
- GraphQL API endpoint
- query results
- event data
- token balance data
- NFT transfer history
- real-time event updates
Requirements
- blockchain RPC access
- Graph CLI for subgraph development
- ABI files
- Node.js environment
