kopia lustrzana https://github.com/bugout-dev/moonstream
207 wiersze
5.9 KiB
Python
207 wiersze
5.9 KiB
Python
import argparse
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import logging
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from typing import Optional
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from moonstreamdb.db import yield_db_session_ctx
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from web3 import Web3
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from web3.middleware import geth_poa_middleware
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from ..blockchain import AvailableBlockchainType
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from ..settings import MOONSTREAM_MOONWORM_TASKS_JOURNAL, bugout_client
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from .continuous_crawler import _retry_connect_web3, continuous_crawler
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from .crawler import (
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SubscriptionTypes,
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get_crawl_job_entries,
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make_event_crawl_jobs,
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make_function_call_crawl_jobs,
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)
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from .db import get_last_labeled_block_number
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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def handle_crawl(args: argparse.Namespace) -> None:
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initial_event_jobs = make_event_crawl_jobs(
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get_crawl_job_entries(
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SubscriptionTypes.POLYGON_BLOCKCHAIN,
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"event",
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MOONSTREAM_MOONWORM_TASKS_JOURNAL,
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)
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)
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logger.info(f"Initial event crawl jobs count: {len(initial_event_jobs)}")
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initial_function_call_jobs = make_function_call_crawl_jobs(
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get_crawl_job_entries(
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SubscriptionTypes.POLYGON_BLOCKCHAIN,
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"function",
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MOONSTREAM_MOONWORM_TASKS_JOURNAL,
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)
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)
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logger.info(
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f"Initial function call crawl jobs count: {len(initial_function_call_jobs)}"
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)
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blockchain_type = AvailableBlockchainType(args.blockchain_type)
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logger.info(f"Blockchain type: {blockchain_type.value}")
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with yield_db_session_ctx() as db_session:
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web3: Optional[Web3] = None
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if args.web3 is None:
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logger.info(
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"No web3 provider URL provided, using default (blockchan.py: connect())"
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)
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web3 = _retry_connect_web3(blockchain_type)
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else:
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logger.info(f"Using web3 provider URL: {args.web3}")
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web3 = Web3(
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Web3.HTTPProvider(
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args.web3,
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)
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)
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if args.poa:
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logger.info("Using PoA middleware")
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web3.middleware_onion.inject(geth_poa_middleware, layer=0)
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last_labeled_block = get_last_labeled_block_number(db_session, blockchain_type)
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logger.info(f"Last labeled block: {last_labeled_block}")
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start_block = args.start
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if start_block is None:
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logger.info("No start block provided")
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if last_labeled_block is not None:
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start_block = last_labeled_block - 1
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logger.info(f"Using last labeled block as start: {start_block}")
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else:
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logger.info(
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"No last labeled block found, using start block (web3.eth.blockNumber - 300)"
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)
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start_block = web3.eth.blockNumber - 10000
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logger.info(f"Starting from block: {start_block}")
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elif last_labeled_block is not None:
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if start_block < last_labeled_block and not args.force:
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logger.info(
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f"Start block is less than last labeled block, using last labeled block: {last_labeled_block}"
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)
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logger.info(
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f"Use --force to override this and start from the start block: {start_block}"
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)
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start_block = last_labeled_block
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else:
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logger.info(f"Using start block: {start_block}")
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else:
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logger.info(f"Using start block: {start_block}")
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continuous_crawler(
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db_session,
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blockchain_type,
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web3,
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initial_event_jobs,
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initial_function_call_jobs,
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start_block,
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args.max_blocks_batch,
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args.min_blocks_batch,
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args.confirmations,
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args.min_sleep_time,
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args.heartbeat_interval,
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args.new_jobs_refetch_interval,
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)
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def main() -> None:
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parser = argparse.ArgumentParser()
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subparsers = parser.add_subparsers()
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crawl_parser = subparsers.add_parser("crawl")
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crawl_parser.add_argument(
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"--start",
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"-s",
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type=int,
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default=None,
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)
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crawl_parser.add_argument(
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"--blockchain-type",
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"-b",
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type=str,
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help=f"Available blockchain types: {[member.value for member in AvailableBlockchainType]}",
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)
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crawl_parser.add_argument(
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"--web3",
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type=str,
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default=None,
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help="Web3 provider URL",
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)
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crawl_parser.add_argument(
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"--poa",
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action="store_true",
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default=False,
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help="Use PoA middleware",
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)
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crawl_parser.add_argument(
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"--max-blocks-batch",
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"-m",
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type=int,
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default=100,
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help="Maximum number of blocks to crawl in a single batch",
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)
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crawl_parser.add_argument(
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"--min-blocks-batch",
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"-n",
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type=int,
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default=10,
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help="Minimum number of blocks to crawl in a single batch",
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)
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crawl_parser.add_argument(
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"--confirmations",
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"-c",
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type=int,
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default=175,
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help="Number of confirmations to wait for",
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)
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crawl_parser.add_argument(
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"--min-sleep-time",
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"-t",
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type=float,
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default=0.01,
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help="Minimum time to sleep between crawl step",
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)
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crawl_parser.add_argument(
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"--heartbeat-interval",
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"-i",
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type=float,
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default=60,
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help="Heartbeat interval in seconds",
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)
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crawl_parser.add_argument(
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"--new-jobs-refetch-interval",
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"-r",
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type=float,
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default=120,
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help="Time to wait before refetching new jobs",
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)
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crawl_parser.add_argument(
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"--force",
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action="store_true",
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default=False,
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help="Force start from the start block",
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)
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crawl_parser.set_defaults(func=handle_crawl)
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args = parser.parse_args()
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args.func(args)
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if __name__ == "__main__":
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main()
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