GraphQL API for block explorers on top of subsquid substrate archive.
This package is distributed as subsquid/substrate-explorer docker image and provides GraphQL server, which should be pointed at postgres or cockroach database created by subsquid/substrate-ingest.
Below is an example docker-compose file with a full setup including data ingestion service. Navigate to http://localhost:3000/graphql after start.
services:
api:
image: subsquid/substrate-explorer:firesquid
depends_on: [db]
ports:
- "3000:3000"
environment:
DB_HOST: db
DB_PORT: 5432
DB_NAME: polkadot_archive
DB_USER: archive
DB_PASS: hello
# set DB_TYPE to cockroach when using cockroach
# DB_TYPE: cockroach
# setup sensible limits for production
# GQL_DB_STATEMENT_TIMEOUT_MS: 2000
# GQL_MAX_ROOT_FIELDS: 200
# GQL_MAX_RESPONSE_NODES: 300000
db:
image: postgres:12
environment:
POSTGRES_DB: polkadot_archive
POSTGRES_USER: archive
POSTGRES_PASSWORD: hello
ingest:
image: subsquid/substrate-ingest:firesquid
restart: always
depends_on: [db]
command: [
"-e", "wss://rpc.polkadot.io",
"-e", "wss://polkadot.api.onfinality.io/public-ws",
"--out", "postgres://archive:hello@db:5432/polkadot_archive"
]