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dfuse_firehose_python_example's Introduction

Prerequisites

  • bash, unix-like environment.
  • python with asyncio at least.
  • docker (for protoc).
  • git (to get proto files).

Running the example

  1. Start a virtual environment.
virtualenv .venv
  1. Enter the virtual environment.
source .venv/bin/activate
  1. Install requirements.
pip install -r requirements.txt
  1. Generate protobuf python files.
bash scripts/generate-protos.sh
  1. Run the example.
  • Note that the example will create a directory $PWD/cache, which you should delete if you want to reset the example.
  • Note that $PWD/blocks/ and $PWD/db_ops/ will grow extremely large with all the data.
FIREHOSE_AUTHPOINT=...
FIREHOSE_ENDPOINT=...
FIREHOSE_API_KEY=...
GRAPHQL_AUTHPOINT=...
GRAPHQL_ENDPOINT=...
GRAPHQL_API_KEY=...
PYTHONPATH=$PWD/src/python python -m dfuse_example \
  --firehose_authpoint "$FIREHOSE_AUTHPOINT" \
  --firehose_endpoint "$FIREHOSE_ENDPOINT" \
  --firehose_api_key "$FIREHOSE_API_KEY" \
  --graphql_authpoint "$GRAPHQL_AUTHPOINT" \
  --graphql_endpoint "$GRAPHQL_ENDPOINT" \
  --graphql_api_key "$GRAPHQL_API_KEY" \
  --start_block_num 170843515 \
  --accounts "playuplandme,upxtokenacct,communityupx"

Other things

  • bash scripts/format.sh to format

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