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PGX — Lightweight Postgres for AI agents. Written in Rust. Thousands of isolated databases in one runtime. 🐘
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Busabase is an open-source (MIT) database and workspace for AI agents — data, docs, skills, and apps in one place. Run it locally, self-host it inside your network, or use Busabase Cloud, and turn age
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SQD Portal (Rust): the data API over 225+ chains, backed by SQD Network. AGPL-3.0.
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取自儲存庫 README
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檢視完整 README ↗SQD Portal is a Rust service that exposes blockchain data over a streaming HTTP API, backed by SQD Network.
A Portal sits between data consumers and SQD Network, a decentralized data lake served by worker, gateway, and scheduler nodes. It accepts dataset queries over HTTP, fans them out to network workers, validates responses, and returns the results as a continuous stream. SQD Portal is the data API layer of SQD, the open data platform for Web3.
Portal serves two kinds of data and merges them in a single stream:
To serve only real-time data for an existing chain or a local devnet, see the devnet EVM example.
The server (axum) exposes per-dataset endpoints, including:
POST /datasets/:dataset/stream and : query and stream blocks.POST /datasets/:dataset/finalized-streamGET /datasets/:dataset/head, /finalized-head, /state, /metadata: dataset status and metadata.GET /datasets/:dataset/timestamps/:timestamp/block: resolve a timestamp to a block number.GET /status, GET /datasets: Portal and dataset listing.GET /metrics (Prometheus), GET /ready (readiness probe)./docs (Scalar), with the OpenAPI spec at /api-docs/openapi.json.A SQL query endpoint (POST /sql/query, GET /sql/metadata) is available when the crate is built with the sql feature.
Query examples are in the Portal docs.
Copy or symlink an example env file to .env:
ln -s mainnet.env .env # mainnet
ln -s tethys.env .env # tethys testnet
Each env file sets NETWORK, BOOT_NODES, RPC endpoints, HTTP_LISTEN_ADDR, and CONFIG (the path to the YAML config, mainnet.config.yml or tethys.config.yml). The YAML config declares the SQD Network datasets source and any locally configured datasets. CLI flags map to environment variables; see --help for the full list.
Generate a key for the Portal's peer id:
docker run -u $(id -u):$(id -g) -v .:/cwd subsquid/keygen:latest /cwd/portal.key
This prints the peer id and writes the private key to portal.key. The peer id is what you register onchain.
KEY_PATH=portal.key docker compose up
This reads .env and the configured *.config.yml.
Install Rust (the toolchain is pinned in rust-toolchain.toml), then:
cargo run --release --key-path portal.key
On first start the Portal downloads the network assignment file (around 300 MB) before it begins serving.
curl "localhost:8000/datasets/ethereum-mainnet/stream" --compressed -d '{
"type": "evm",
"fields": {
"block": {
"number": true,
"timestamp": true,
"hash": true
}
},
"includeAllBlocks": true,
"fromBlock": 10000000
}'
AGPL-3.0. See LICENSE.md.