fix: lnd/lndrest failed canceled/expired invoices (#3143)

lnbits/wallets/lndrest.py

@@ -225,15 +225,22 @@ class LndRestWallet(Wallet):
         try:
             r.raise_for_status()
             data = r.json()
-
-            if r.is_error or not data.get("settled"):
-                # this must also work when checking_id is not a hex recognizable by lnd
-                # it will return an error and no "settled" attribute on the object
-                return PaymentPendingStatus()
         except Exception as e:
             logger.error(f"Error getting invoice status: {e}")
             return PaymentPendingStatus()
-        return PaymentSuccessStatus()
+
+        if r.is_error or data.get("settled") is None:
+            # this must also work when checking_id is not a hex recognizable by lnd
+            # it will return an error and no "settled" attribute on the object
+            return PaymentPendingStatus()
+
+        if data.get("settled") is True:
+            return PaymentSuccessStatus()
+
+        if data.get("state") == "CANCELED":
+            return PaymentFailedStatus()
+
+        return PaymentPendingStatus()
 
     async def get_payment_status(self, checking_id: str) -> PaymentStatus:
         """