nostrclient/tasks.py
2023-06-22 10:02:15 +03:00

77 lines
2.4 KiB
Python

import asyncio
import json
import ssl
import threading
from .crud import get_relays
from .nostr.event import Event
from .nostr.key import PublicKey
from .nostr.message_pool import EndOfStoredEventsMessage, EventMessage, NoticeMessage
from .nostr.relay_manager import RelayManager
from .services import (
nostr,
received_subscription_eosenotices,
received_subscription_events,
received_subscription_notices,
)
async def init_relays():
# reinitialize the entire client
nostr.__init__()
# get relays from db
relays = await get_relays()
# set relays and connect to them
nostr.client.relays = list(set([r.url for r in relays.__root__ if r.url]))
await nostr.client.connect()
async def subscribe_events():
while not any([r.connected for r in nostr.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(noticeMessage: NoticeMessage):
if noticeMessage not in received_subscription_notices:
received_subscription_notices.append(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=nostr.client.subscribe,
args=(
callback_events,
callback_notices,
callback_eose_notices,
),
name="Nostr-event-subscription",
daemon=True,
)
t.start()