网络基础设施

Substreams

索引与数据 API

索引 · 实时数据 · 性能优化

Substreams is a parallelized streaming data engine for blockchain data built on Firehose. Data builders write Substreams modules when a pipeline needs to process large ranges of blocks in parallel.

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Ponder

Ponder 是一个用于加密货币应用程序的索引框架，当你向产品后端或前端提供新鲜的链上数据时，它强调快速刷新和开发者人体工程学。

rindexer

rindexer 是一个以应用程序为中心的索引器框架，具有 GraphQL 和 Postgres 人体工程学设计，适用于你需要可靠的链到 API 管道而无需定制 ETL 粘合剂的情况。

Envio

Envio 是一个多链索引框架，支持 TypeScript、JavaScript 或 ReScript 处理程序。当你需要跨多个 EVM 链使用由 Postgres 支持的单一 GraphQL API 时，它通过 HyperSync 而不是 RPC 进行同步。

The Graph

The Graph is a decentralized indexing protocol where builders deploy subgraphs and query them over GraphQL. Builders use it to turn contract events into a queryable API without running their own indexer.

Covalent (GoldRush)

Covalent, delivered as GoldRush, is a unified REST API for historical onchain data across many chains. Builders call it when an application needs normalized balances, transfers, and history without writing a chain-specific indexer.

Moralis

Moralis offers web3 data APIs together with webhook-first event streams. Builders call its REST endpoints for wallet, token, NFT, and price data on Ethereum mainnet and subscribe to Streams webhooks for events.