add listener to invoice

lnbits/extensions/satspay/tasks.py

@@ -0,0 +1,31 @@
+import asyncio
+
+from lnbits.core.models import Payment
+from lnbits.extensions.satspay.crud import check_address_balance, get_charge
+from lnbits.tasks import register_invoice_listener
+
+# from .crud import get_ticket, set_ticket_paid
+
+
+async def wait_for_paid_invoices():
+    invoice_queue = asyncio.Queue()
+    register_invoice_listener(invoice_queue)
+
+    while True:
+        payment = await invoice_queue.get()
+        await on_invoice_paid(payment)
+
+
+async def on_invoice_paid(payment: Payment) -> None:
+    if "charge" != payment.extra.get("tag"):
+        # not a charge invoice
+        return
+
+    charge = await get_charge(payment.memo)
+    if not charge:
+        print("this should never happen", payment)
+        return
+
+    await payment.set_pending(False)
+    await check_address_balance(charge_id=charge.id)
+