88 lines
2.4 KiB
Python
88 lines
2.4 KiB
Python
import asyncio
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import logging
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import os
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import sys
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import threading
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from contextlib import contextmanager
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import dramatiq
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from dramatiq.brokers.redis import RedisBroker
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from dramatiq.cli import main as dramatiq_worker
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from dramatiq.middleware import Middleware
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from mev_inspect.db import get_inspect_sessionmaker, get_trace_sessionmaker
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from mev_inspect.inspector import MEVInspector
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InspectSession = get_inspect_sessionmaker()
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TraceSession = get_trace_sessionmaker()
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thread_local = threading.local()
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logging.basicConfig(stream=sys.stdout, level=logging.INFO)
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logger = logging.getLogger(__name__)
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class AsyncMiddleware(Middleware):
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def before_process_message(
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self, _broker, message
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): # pylint: disable=unused-argument
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self.loop = asyncio.new_event_loop()
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asyncio.set_event_loop(self.loop)
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def after_process_message(
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self, _broker, message, *, result=None, exception=None
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): # pylint: disable=unused-argument
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self.loop.close()
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class InspectorMiddleware(Middleware):
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def before_process_message(
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self, _broker, worker
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): # pylint: disable=unused-argument
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rpc = os.environ["RPC_URL"]
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if not hasattr(thread_local, "inspector"):
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logger.info("Building inspector")
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thread_local.inspector = MEVInspector(
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rpc,
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max_concurrency=5,
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request_timeout=300,
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)
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else:
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logger.info("Inspector already exists")
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broker = RedisBroker(host="redis-master", password=os.environ["REDIS_PASSWORD"])
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broker.add_middleware(AsyncMiddleware())
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broker.add_middleware(InspectorMiddleware())
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dramatiq.set_broker(broker)
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@contextmanager
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def session_scope(Session=None):
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if Session is None:
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yield None
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else:
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with Session() as session:
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yield session
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@dramatiq.actor
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def inspect_many_blocks_task(
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after_block: int,
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before_block: int,
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):
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with session_scope(InspectSession) as inspect_db_session:
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with session_scope(TraceSession) as trace_db_session:
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asyncio.run(
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thread_local.inspector.inspect_many_blocks(
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inspect_db_session=inspect_db_session,
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trace_db_session=trace_db_session,
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after_block=after_block,
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before_block=before_block,
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)
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)
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if __name__ == "__main__":
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dramatiq_worker(processes=1, threads=1)
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