event_reader.reader

Documentation for eth_defi.event_reader.reader Python module.

High performance EVM event reader.

For further reading see:

• Ethereum JSON-RPC API spec

• futureproof - - Bulletproof concurrent.futures for Python

Functions

extract_events(web3, start_block, end_block, ...)	Perform eth_getLogs call over a block range.
extract_events_concurrent(start_block, ...)	Concurrency happy event extractor.
extract_timestamps_json_rpc(web3, ...)	Get block timestamps from block headers.
prepare_filter(events)	Creates internal filter to match contract events.
read_events(web3, start_block, end_block[, ...])	Reads multiple events from the blockchain.
read_events_concurrent(executor, ...[, ...])	Reads multiple events from the blockchain parallel using a thread pool for IO.

Classes

ProgressUpdate	Informs any listener about the state of an event scan.
Web3EventReader	Pass the event reader callable around.

Exceptions

BadTimestampValueReturned	Timestamp does not look good.
ReadingLogsFailed	eth_getLogs call failed.
TimestampNotFound	Timestamp service does not have a timestasmp for a given block.