Mint: watchdog balance log and killswitch (#705)

* wip store balance

* store balances in watchdog worker

* move mint_auth_database setting

* auth db

* balances returned as Amount (instead of int)

* add test for balance change on invoice receive

* fix 1 test

* cancel tasks on shutdown

* watchdog can now abort

* remove wallet api server

* fix lndgrpc

* fix lnbits balance

* disable watchdog

* balance lnbits msat

* test db watcher with its own database connection

* init superclass only once

* wip: log balance in keysets table

* check max balance using new keyset balance

* fix test

* fix another test

* store fees in keysets

* format

* cleanup

* shorter

* add keyset migration to auth server

* fix fakewallet

* fix db tests

* fix postgres problems during migration 26 (mint)

* fix cln

* ledger

* working with pending

* super fast watchdog, errors

* test new pipeline

* delete walletapi

* delete unneeded files

* revert workflows

tests/mint/test_mint.py

@@ -2,7 +2,7 @@ from typing import List
 
 import pytest
 
-from cashu.core.base import BlindedMessage, MintKeyset, Proof, Unit
+from cashu.core.base import BlindedMessage, Proof, Unit
 from cashu.core.crypto.b_dhke import step1_alice
 from cashu.core.helpers import calculate_number_of_blank_outputs
 from cashu.core.models import PostMintQuoteRequest
@@ -219,11 +219,9 @@ async def test_generate_change_promises_returns_empty_if_no_outputs(ledger: Ledg
 @pytest.mark.asyncio
 async def test_get_balance(ledger: Ledger):
     unit = Unit["sat"]
-    active_keyset: MintKeyset = next(
-        filter(lambda k: k.active and k.unit == unit, ledger.keysets.values())
-    )
-    balance = await ledger.get_balance(active_keyset)
+    balance, fees_paid = await ledger.get_balance(unit)
     assert balance == 0
+    assert fees_paid == 0
 
 
 @pytest.mark.asyncio