refactor: simplify

lnbits/app.py

@@ -37,6 +37,7 @@ from lnbits.core.services.payments import check_pending_payments
 from lnbits.core.tasks import (
     audit_queue,
     collect_exchange_rates_data,
+    dispatch_wasm_invoice_paid,
     purge_audit_data,
     run_by_the_minute_tasks,
     wait_for_audit_data,
@@ -507,7 +508,12 @@ def register_async_tasks(app: FastAPI) -> None:
     # core invoice listener
     invoice_queue: asyncio.Queue = asyncio.Queue()
     register_invoice_listener(invoice_queue, "core")
-    create_permanent_task(lambda: wait_for_paid_invoices(invoice_queue, app))
+
+    async def dispatch_extension_invoice_paid(payment) -> None:
+        await dispatch_wasm_invoice_paid(app, payment)
+
+    core_app_extra.dispatch_extension_invoice_paid = dispatch_extension_invoice_paid
+    create_permanent_task(lambda: wait_for_paid_invoices(invoice_queue))
 
     create_permanent_task(run_by_the_minute_tasks)
     create_permanent_task(purge_audit_data)

lnbits/core/models/misc.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
-from collections.abc import Callable
+from collections.abc import Awaitable, Callable
+from typing import Any
 
 from pydantic import BaseModel
 
@@ -9,10 +10,17 @@ def _do_nothing(*_):
     pass
 
 
+async def _do_nothing_async(_: Any) -> None:
+    pass
+
+
 class CoreAppExtra:
     register_new_ext_routes: Callable = _do_nothing
     register_new_wasm_ext_routes: Callable = _do_nothing
     register_new_ratelimiter: Callable
+    dispatch_extension_invoice_paid: Callable[[Any], Awaitable[None]] = (
+        _do_nothing_async
+    )
 
 
 class ConversionData(BaseModel):

lnbits/core/tasks.py

@@ -13,6 +13,7 @@ from lnbits.core.crud.audit import delete_expired_audit_entries
 from lnbits.core.crud.payments import get_payments_status_count
 from lnbits.core.crud.users import get_accounts
 from lnbits.core.crud.wallets import get_wallets_count
+from lnbits.core.db import core_app_extra
 from lnbits.core.models.audit import AuditEntry
 from lnbits.core.models.extensions import InstallableExtension
 from lnbits.core.models.notifications import NotificationType
@@ -92,9 +93,7 @@ async def _notify_server_status() -> None:
     enqueue_admin_notification(NotificationType.server_status, values)
 
 
-async def wait_for_paid_invoices(
-    invoice_paid_queue: asyncio.Queue, app: FastAPI | None = None
-) -> None:
+async def wait_for_paid_invoices(invoice_paid_queue: asyncio.Queue) -> None:
     """
     This worker dispatches events to all extensions and dispatches webhooks.
     """
@@ -105,8 +104,7 @@ async def wait_for_paid_invoices(
         wallet = await get_wallet(payment.wallet_id)
         if wallet:
             await send_payment_notification(wallet, payment)
-        if app:
-            await dispatch_wasm_invoice_paid(app, payment)
+        await core_app_extra.dispatch_extension_invoice_paid(payment)
 
 
 async def dispatch_wasm_invoice_paid(app: FastAPI, payment: Any) -> None: