Multinut LND (#492)

* amount in melt request

* apply fee limit

* more error handling

* wip: signal flag in /info

* clean up multinut

* decode mypy error lndrest

* fix test

* fix tests

* signal feature and blindmessages_deprecated

* setting

* fix blindedsignature method

* fix tests

* mint info file

* test mpp with lnd regtest

* nuts optionsl mint
 info

* try to enable mpp with lnd

* test mpp with third payment

cashu/lightning/corelightningrest.py

@@ -10,7 +10,7 @@ from bolt11 import (
 )
 from loguru import logger
 
-from ..core.base import Amount, MeltQuote, Unit
+from ..core.base import Amount, MeltQuote, PostMeltQuoteRequest, Unit
 from ..core.helpers import fee_reserve
 from ..core.settings import settings
 from .base import (
@@ -316,8 +316,10 @@ class CoreLightningRestWallet(LightningBackend):
                 )
                 await asyncio.sleep(0.02)
 
-    async def get_payment_quote(self, bolt11: str) -> PaymentQuoteResponse:
-        invoice_obj = decode(bolt11)
+    async def get_payment_quote(
+        self, melt_quote: PostMeltQuoteRequest
+    ) -> PaymentQuoteResponse:
+        invoice_obj = decode(melt_quote.request)
         assert invoice_obj.amount_msat, "invoice has no amount."
         amount_msat = int(invoice_obj.amount_msat)
         fees_msat = fee_reserve(amount_msat)