nostrclient/tasks.py
2023-03-09 14:42:31 +01:00

77 lines
2.3 KiB
Python

import asyncio
import ssl
import threading
from .nostr.client.client import NostrClient
from .nostr.event import Event
from .nostr.message_pool import EventMessage, NoticeMessage, EndOfStoredEventsMessage
from .nostr.key import PublicKey
from .nostr.relay_manager import RelayManager
client = NostrClient(
connect=False,
)
received_event_queue: asyncio.Queue[EventMessage] = asyncio.Queue(0)
received_subscription_events: dict[str, list[Event]] = {}
received_subscription_notices: dict[str, list[NoticeMessage]] = {}
received_subscription_eosenotices: dict[str, EndOfStoredEventsMessage] = {}
from .crud import get_relays
async def init_relays():
relays = await get_relays()
client.relays = list(set([r.url for r in relays.__root__ if r.url]))
client.connect()
return
async def subscribe_events():
while not any([r.connected for r in client.relay_manager.relays.values()]):
await asyncio.sleep(2)
def callback_events(eventMessage: EventMessage):
# print(f"From {event.public_key[:3]}..{event.public_key[-3:]}: {event.content}")
if eventMessage.subscription_id in received_subscription_events:
# do not add duplicate events (by event id)
if eventMessage.event.id in set(
[
e.id
for e in received_subscription_events[eventMessage.subscription_id]
]
):
return
received_subscription_events[eventMessage.subscription_id].append(
eventMessage.event
)
else:
received_subscription_events[eventMessage.subscription_id] = [
eventMessage.event
]
return
def callback_notices(eventMessage: NoticeMessage):
return
def callback_eose_notices(eventMessage: EndOfStoredEventsMessage):
if eventMessage.subscription_id not in received_subscription_eosenotices:
received_subscription_eosenotices[
eventMessage.subscription_id
] = eventMessage
return
t = threading.Thread(
target=client.subscribe,
args=(
callback_events,
callback_notices,
callback_eose_notices,
),
name="Nostr-event-subscription",
daemon=True,
)
t.start()