Testing: postgres db backend (#711)

* try postgres run

* fix yaml

* test with postgres

* check with postgres

* inkey_from

* remove trio

* add coverage

* add coverage

* more python testing

* use @pytest_asyncio.fixture

* remove unused imports

* fix api_payment payment lookup

* measure durations

lnbits/core/crud.py

@@ -183,10 +183,17 @@ async def get_standalone_payment(
     checking_id_or_hash: str,
     conn: Optional[Connection] = None,
     incoming: Optional[bool] = False,
+    wallet_id: Optional[str] = None,
 ) -> Optional[Payment]:
     clause: str = "checking_id = ? OR hash = ?"
+    values = [checking_id_or_hash, checking_id_or_hash]
     if incoming:
         clause = f"({clause}) AND amount > 0"
+
+    if wallet_id:
+        clause = f"({clause}) AND wallet = ?"
+        values.append(wallet_id)
+
     row = await (conn or db).fetchone(
         f"""
         SELECT *
@@ -194,7 +201,7 @@ async def get_standalone_payment(
         WHERE {clause}
         LIMIT 1
         """,
-        (checking_id_or_hash, checking_id_or_hash),
+        tuple(values),
     )
 
     return Payment.from_row(row) if row else None