v0.4.1

Changes

• Batch requests for transaction receipts.
• Make bigInt.toHex() format numbers as big-endian, with leading zeros trimmed.
• Implement env.abort to improve logging of AssemblyScript exceptions.
• Add GraphQL __typename support.
• Optionally, write subgraph logs to Elasticsearch.
• Add --ethereum-polling-interval / ETHEREUM_POLLING_INTERVAL option.
• Bring the full test suite back (it had been partially disabled due to massive code changes).
• Documentation improvements (getting started).
• Fix casting bug when querying boolean entity fields.
• Add BigInt math (+, -, *, / and %).
• Add more data to Ethereum events, blocks and transactions passed to mappings.

v0.4.0

This release corresponds to the following graph-cli and graph-ts releases:

• https://github.com/graphprotocol/graph-cli/releases/tag/v0.4.0
• https://github.com/graphprotocol/graph-ts/releases/tag/v0.4.0

Developer Preview

This developer preview includes:

• GraphQL Server — A custom spec-compliant GraphQL implementation. We automatically generate the server from the SDL schema including support for filters w/ boolean expressions, sorting, and pagination.
• Ethereum Adapter — Subscribes to Ethereum events using IPC or RPC and accesses smart contract storage.
• WASM Runtime Host — Executes developer-provided Mappings on WASM using Parity’s excellent Wasmi library.
• Postgres Store — Stores and indexes the transformed data in an entity table in Postgres, which is queried by the GraphQL server.