kopia lustrzana https://github.com/bugout-dev/moonstream
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README.md
Moonstream Crawlers
Installation
(Use Python 3)
pip install -e .
Database access and environment variables
Make sure that the MOONSTREAM_DB_URI environment variable is set as a Postgres connection string.
For a sample, view sample.env.
Crawlers
Ethereum Signature Database
This crawler retrieves Ethereum function signatures from the Ethereum Signature Database at https://4byte.directory.
Crawling ESD function signatures
python -m mooncrawl.esd --interval 0.3 functions
Crawling ESD event signatures
python -m mooncrawl.esd --interval 0.3 events
Ethereum contract registrar
This crawler scans new transactions for smart contract deployments and retrieves their deployment addresses from transaction receipts.
To run this crawler:
python -m mooncrawl.cli ethcrawler contracts update
Output is JSON list of pairs [..., (<transaction_hash>, <contract_address>), ...], so you can pipe to jq:
python -m mooncrawl.cli ethcrawler contracts update | jq .
You can also specify an output file:
python -m mooncrawl.cli ethcrawler contracts update -o new_contracts.json