add **kwargs to create_invoice functions

lnbits/wallets/lnpay.py

@@ -59,6 +59,7 @@ class LNPayWallet(Wallet):
         memo: Optional[str] = None,
         description_hash: Optional[bytes] = None,
         unhashed_description: Optional[bytes] = None,
+        **kwargs,
     ) -> InvoiceResponse:
         data: Dict = {"num_satoshis": f"{amount}"}
         if description_hash:

lnbits/wallets/lntips.py

@@ -54,6 +54,7 @@ class LnTipsWallet(Wallet):
         memo: Optional[str] = None,
         description_hash: Optional[bytes] = None,
         unhashed_description: Optional[bytes] = None,
+        **kwargs,
     ) -> InvoiceResponse:
         data: Dict = {"amount": amount, "description_hash": "", "memo": memo or ""}
         if description_hash:

lnbits/wallets/opennode.py

@@ -56,6 +56,7 @@ class OpenNodeWallet(Wallet):
         memo: Optional[str] = None,
         description_hash: Optional[bytes] = None,
         unhashed_description: Optional[bytes] = None,
+        **kwargs,
     ) -> InvoiceResponse:
         if description_hash or unhashed_description:
             raise Unsupported("description_hash")