fixes lnurl

models.py

@@ -106,16 +106,21 @@ def values(self, req: Request):
             str(req.url_for("offlineshop.lnurl_response", item_id=self.id))
         )
         return values
-
-    async def lnurlpay_metadata(self) -> LnurlPayMetadata:
-        metadata = [["text/plain", self.description]]
+
+    @property
+    def lnurlpay_metadata(self) -> LnurlPayMetadata:
+        metadata = [("text/plain", self.description)]
 
         if self.image:
-            metadata.append(self.image.split(":")[1].split(","))
+            try:
+                image_tuple = tuple(self.image.split(":")[1].split(",")[:2])
+                if len(image_tuple) == 2:
+                    metadata.append(image_tuple)
+            except IndexError:
+                pass
 
         return LnurlPayMetadata(json.dumps(metadata))
 
-
 class CreateItem(BaseModel):
     name: str
     description: str

views_lnurl.py

@@ -45,7 +45,7 @@ async def lnurl_response(req: Request, item_id: str) -> dict:
         callback=url,
         minSendable=MilliSatoshi(price_msat),
         maxSendable=MilliSatoshi(price_msat),
-        metadata=await item.lnurlpay_metadata(),
+        metadata=item.lnurlpay_metadata,
     )
 
     return resp.dict()
@@ -84,7 +84,7 @@ async def lnurl_callback(request: Request, item_id: str):
             wallet_id=shop.wallet,
             amount=int(amount_received / 1000),
             memo=item.name,
-            unhashed_description=(await item.lnurlpay_metadata()).encode(),
+            unhashed_description=item.lnurlpay_metadata.encode(),
             extra={"tag": "offlineshop", "item": item.id},
         )
     except Exception as exc: