fix validation rules so description_hash works.

lnbits/core/crud.py

@@ -115,7 +115,7 @@ def get_wallet(wallet_id: str) -> Optional[Wallet]:
 def get_wallet_for_key(key: str, key_type: str = "invoice") -> Optional[Wallet]:
     with open_db() as db:
         row = db.fetchone(
-            f"""
+            """
             SELECT *, COALESCE((SELECT balance FROM balances WHERE wallet = wallets.id), 0) AS balance_msat
             FROM wallets
             WHERE adminkey = ? OR inkey = ?

lnbits/core/views/api.py

@@ -28,8 +28,8 @@ def api_payments():
 @api_validate_post_request(
     schema={
         "amount": {"type": "integer", "min": 1, "required": True},
-        "memo": {"type": "string", "empty": False, "required": False},
-        "description_hash": {"type": "string", "empty": False, "required": False},
+        "memo": {"type": "string", "empty": False, "required": True, "excludes": "description_hash"},
+        "description_hash": {"type": "string", "empty": False, "required": True, "excludes": "memo"},
     }
 )
 def api_payments_create_invoice():