72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
import asyncio
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import threading
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from loguru import logger
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from .crud import get_relays
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from .nostr.message_pool import EndOfStoredEventsMessage, EventMessage, NoticeMessage
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from .router import NostrRouter, nostr_client
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async def init_relays():
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# get relays from db
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relays = await get_relays()
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# set relays and connect to them
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valid_relays = [r.url for r in relays if r.url]
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nostr_client.reconnect(valid_relays)
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async def check_relays():
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"""Check relays that have been disconnected"""
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while True:
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try:
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await asyncio.sleep(20)
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nostr_client.relay_manager.check_and_restart_relays()
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except Exception as e:
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logger.warning(f"Cannot restart relays: '{e!s}'.")
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async def subscribe_events():
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while not [r.connected for r in nostr_client.relay_manager.relays.values()]:
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await asyncio.sleep(2)
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def callback_events(event_message: EventMessage):
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sub_id = event_message.subscription_id
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if sub_id not in NostrRouter.received_subscription_events:
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NostrRouter.received_subscription_events[sub_id] = [event_message]
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return
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# do not add duplicate events (by event id)
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ids = [e.event_id for e in NostrRouter.received_subscription_events[sub_id]]
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if event_message.event_id in ids:
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return
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NostrRouter.received_subscription_events[sub_id].append(event_message)
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def callback_notices(notice_message: NoticeMessage):
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if notice_message not in NostrRouter.received_subscription_notices:
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NostrRouter.received_subscription_notices.append(notice_message)
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def callback_eose_notices(event_message: EndOfStoredEventsMessage):
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sub_id = event_message.subscription_id
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if sub_id in NostrRouter.received_subscription_eosenotices:
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return
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NostrRouter.received_subscription_eosenotices[sub_id] = event_message
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def wrap_async_subscribe():
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asyncio.run(
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nostr_client.subscribe(
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callback_events,
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callback_notices,
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callback_eose_notices,
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)
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)
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t = threading.Thread(
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target=wrap_async_subscribe,
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name="Nostr-event-subscription",
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daemon=True,
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)
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t.start()
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