events/__init__.py
Padreug ef5d2dcfcf
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feat: wire Nostr subscription sync into extension lifecycle
Add background task that subscribes to kind 31922/31923 events
from relays and processes them into the local database. Starts
15s after NostrClient connects (sequenced after publish client).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-27 18:30:00 +02:00

81 lines
2.4 KiB
Python

import asyncio
from fastapi import APIRouter
from loguru import logger
from .crud import db
from .tasks import wait_for_paid_invoices
from .views import events_generic_router
from .views_api import events_api_router
events_ext: APIRouter = APIRouter(prefix="/events", tags=["Events"])
events_ext.include_router(events_generic_router)
events_ext.include_router(events_api_router)
events_static_files = [
{
"path": "/events/static",
"name": "events_static",
}
]
scheduled_tasks: list[asyncio.Task] = []
# Module-level NostrClient — None when nostrclient is unavailable
nostr_client = None
def events_stop():
for task in scheduled_tasks:
try:
task.cancel()
except Exception as ex:
logger.warning(ex)
global nostr_client
if nostr_client:
asyncio.get_event_loop().create_task(nostr_client.stop())
def events_start():
from lnbits.tasks import create_permanent_unique_task
task1 = create_permanent_unique_task("ext_events", wait_for_paid_invoices)
scheduled_tasks.append(task1)
async def _start_nostr_client():
global nostr_client
await asyncio.sleep(10) # Wait for nostrclient to be ready
try:
from .nostr.nostr_client import NostrClient
nostr_client = NostrClient()
logger.info("[EVENTS] Starting NostrClient for NIP-52 sync")
await nostr_client.run_forever()
except Exception as e:
logger.warning(f"[EVENTS] NostrClient failed to start: {e}")
logger.info("[EVENTS] Events will work without Nostr sync")
task2 = create_permanent_unique_task("ext_events_nostr", _start_nostr_client)
scheduled_tasks.append(task2)
async def _sync_nostr_events():
global nostr_client
await asyncio.sleep(15) # Wait for NostrClient to connect
if not nostr_client:
logger.info("[EVENTS] No NostrClient, skipping Nostr sync")
return
try:
from .nostr_sync import wait_for_nostr_events
await wait_for_nostr_events(nostr_client)
except Exception as e:
logger.error(f"[EVENTS] Nostr sync task failed: {e}")
task3 = create_permanent_unique_task(
"ext_events_nostr_sync", _sync_nostr_events
)
scheduled_tasks.append(task3)
__all__ = ["db", "events_ext", "events_start", "events_static_files", "events_stop"]