extract_timestamps_json_rpc Documentation for eth_defi.event_reader.reader.extract_timestamps_json_rpc function. extract_timestamps_json_rpc(web3, start_block, end_block)[source] Get block timestamps from block headers. Use slow JSON-RPC block headers call to get this information. TODO: This is an old code path. This has been replaced by more robust ReorganisationMonitor implementation. Returns block hash -> UNIX timestamp mapping Parameters web3 (web3.main.Web3) – start_block (int) – end_block (int) – Return type Dict[str, int]