basic invoice listeners.

lnbits/extensions/lnurlp/__init__.py

@@ -6,3 +6,8 @@ lnurlp_ext: Blueprint = Blueprint("lnurlp", __name__, static_folder="static", te
 
 from .views_api import *  # noqa
 from .views import *  # noqa
+from .tasks import on_invoice_paid
+
+from lnbits.core.tasks import register_invoice_listener
+
+register_invoice_listener("lnurlp", on_invoice_paid)

lnbits/extensions/lnurlp/migrations.py

@@ -14,3 +14,21 @@ def m001_initial(db):
         );
         """
     )
+
+
+# def m002_webhooks_and_success_actions(db):
+#     """
+#     Webhooks and success actions.
+#     """
+#     db.execute("ALTER TABLE pay_links ADD COLUMN webhook_url TEXT;")
+#     db.execute("ALTER TABLE pay_links ADD COLUMN success_text TEXT;")
+#     db.execute("ALTER TABLE pay_links ADD COLUMN success_url TEXT;")
+#     db.execute(
+#         """
+#         CREATE TABLE invoices (
+#             payment_hash PRIMARY KEY,
+#             link_id INTEGER NOT NULL REFERENCES pay_links (id),
+#             webhook_sent BOOLEAN NOT NULL DEFAULT false
+#         );
+#         """
+#     )

lnbits/extensions/lnurlp/models.py

@@ -7,12 +7,15 @@ from typing import NamedTuple
 
 
 class PayLink(NamedTuple):
-    id: str
+    id: int
     wallet: str
     description: str
     amount: int
     served_meta: int
     served_pr: int
+    webhook_url: str
+    success_text: str
+    success_url: str
 
     @classmethod
     def from_row(cls, row: Row) -> "PayLink":
@@ -27,3 +30,9 @@ class PayLink(NamedTuple):
     @property
     def lnurlpay_metadata(self) -> LnurlPayMetadata:
         return LnurlPayMetadata(json.dumps([["text/plain", self.description]]))
+
+
+class Invoice(NamedTuple):
+    payment_hash: str
+    link_id: int
+    webhook_sent: bool

lnbits/extensions/lnurlp/tasks.py

@@ -0,0 +1,12 @@
+import aiohttp
+
+from lnbits.core.models import Payment
+
+
+async def on_invoice_paid(payment: Payment) -> None:
+    islnurlp = "lnurlp" in payment.extra.get("tags", {})
+    print("invoice paid on lnurlp?", islnurlp)
+    if islnurlp:
+        print("dispatching webhook")
+        async with aiohttp.ClientSession() as session:
+            await session.post("https://fiatjaf.free.beeceptor.com", json=payment)

lnbits/extensions/lnurlp/views_api.py

@@ -4,6 +4,7 @@ from http import HTTPStatus
 from lnurl import LnurlPayResponse, LnurlPayActionResponse
 from lnurl.exceptions import InvalidUrl as LnurlInvalidUrl
 
+from lnbits import bolt11
 from lnbits.core.crud import get_user
 from lnbits.core.services import create_invoice
 from lnbits.decorators import api_check_wallet_key, api_validate_post_request
@@ -126,6 +127,10 @@ async def api_lnurl_callback(link_id):
         description_hash=hashlib.sha256(link.lnurlpay_metadata.encode("utf-8")).digest(),
         extra={"tag": "lnurlp"},
     )
+
+    inv = bolt11.decode(payment_request)
+    inv.payment_hash
+
     resp = LnurlPayActionResponse(pr=payment_request, success_action=None, routes=[])
 
     return jsonify(resp.dict()), HTTPStatus.OK