read_multicall_historical

Documentation for eth_defi.event_reader.multicall_batcher.read_multicall_historical function.

read_multicall_historical(chain_id, web3factory, calls, start_block, end_block, step, max_workers=8, timeout=1800, display_progress=True, progress_suffix=None, require_multicall_result=False)[source]

Read historical data using multiple threads in parallel for speedup.

  • Run over period of time (blocks)

  • Use multicall to harvest data from a single block at a time

  • Show a progress bar using tqdm

Parameters

  • chain_id (int) – Which chain we are targeting with calls.

  • web3factory (eth_defi.event_reader.web3factory.Web3Factory) – The connection factory for subprocesses

  • start_block (int) – Block range to scoop

  • end_block (int) – Block range to scoop

  • step (int) – How many blocks we iterate at once

  • timeout – Joblib timeout to wait for a result from an individual task

  • progress_suffix (Optional[Callable]) – Allow caller to decorate the progress bar

  • require_multicall_result – Debug parameter to crash the reader if we start to get invalid replies from Multicall3 contract.

  • display_progress (bool | str) –

    Whether to display progress bar or not.

    Set to string to have a progress bar label.

  • calls (Iterable[eth_defi.event_reader.multicall_batcher.EncodedCall]) –

Return type

Iterable[eth_defi.event_reader.multicall_batcher.CombinedEncodedCallResult]