2021-07-27 07:52:14 +00:00
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# Crawler: Ethereum Signature Database
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This crawler retrieves Ethereum function signatures from the Ethereum Signature Database at
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[https://4byte.directory](https://4byte.directory).
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2021-07-27 07:58:30 +00:00
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### Installation
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(Use Python 3)
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```bash
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pip install -r requirements.txt
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```
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### Database access
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Make sure that the `EXPLORATION_DB_URI` environment variable is set as a Postgres connection string.
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For a sample, view [`sample.env`](./sample.env).
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### Crawling ESD function signatures
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```bash
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python esd.py --interval 0.3 functions
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```
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### Crawling ESD event signatures
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```bash
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python esd.py --interval 0.3 events
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```
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