Wallet: store quotes (#657)

* wallet_quotes_wip

* fix quote in db

* fix subscription test

* clean up api

* fix api tests

* fix balance check

cashu/wallet/v1_api.py

@@ -9,6 +9,8 @@ from httpx import Response
 from loguru import logger
 from pydantic import ValidationError
 
+from cashu.wallet.crud import get_bolt11_melt_quote
+
 from ..core.base import (
     BlindedMessage,
     BlindedSignature,
@@ -45,9 +47,6 @@ from ..core.models import (
 )
 from ..core.settings import settings
 from ..tor.tor import TorProxy
-from .crud import (
-    get_lightning_invoice,
-)
 from .wallet_deprecated import LedgerAPIDeprecated
 
 
@@ -476,10 +475,10 @@ class LedgerAPI(LedgerAPIDeprecated):
             # BEGIN backwards compatibility < 0.15.0
             # assume the mint has not upgraded yet if we get a 404
             if resp.status_code == 404:
-                invoice = await get_lightning_invoice(id=quote, db=self.db)
-                assert invoice, f"no invoice found for id {quote}"
+                melt_quote = await get_bolt11_melt_quote(quote=quote, db=self.db)
+                assert melt_quote, f"no melt_quote found for id {quote}"
                 ret: PostMeltResponse_deprecated = await self.melt_deprecated(
-                    proofs=proofs, outputs=outputs, invoice=invoice.bolt11
+                    proofs=proofs, outputs=outputs, invoice=melt_quote.request
                 )
             elif isinstance(e, ValidationError):
                 # BEGIN backwards compatibility < 0.16.0