Wallet: Lightning interface (#318)

* mint does not start yet

* fix import

* revert mint db migrations

* handle zero fee case

* cli: adjust fee message

* wallet: replace requests with httpx

* clean up

* rename http client decorator

* fix pending check in main, todo: TEST PROXIES WITH HTTPX

* fix up

* use httpx for nostr as well

* update packages to same versions as https://github.com/lnbits/lnbits/pull/1609/files

* fix proof deserialization

* check for string

* tests passing

* adjust wallet api tests

* lockfile

* add correct responses to Lightning interface and delete melt_id for proofs for which the payent has failed

* fix create_invoice checking_id response

* migrations atomic

* proofs are stored automatically when created

* make format

* use bolt11 lib

* stricter type checking

* add fee response to payments

* assert fees in test_melt

* test that mint_id and melt_id is stored correctly in proofs and proofs_used

* remove traces

* refactor: Lightning interface into own file and LedgerCrud with typing

* fix tests

* fix payment response

* rename variable

cashu/mint/protocols.py

@@ -1,8 +1,20 @@
 from typing import Protocol
 
 from ..core.base import MintKeyset, MintKeysets
+from ..core.db import Database
+from ..lightning.base import Wallet
+from ..mint.crud import LedgerCrud
 
 
 class SupportsKeysets(Protocol):
     keyset: MintKeyset
     keysets: MintKeysets
+
+
+class SupportLightning(Protocol):
+    lightning: Wallet
+
+
+class SupportsDb(Protocol):
+    db: Database
+    crud: LedgerCrud