feat: balance and reward

utils/balance.py

@@ -0,0 +1,23 @@
+import datetime
+
+import database
+
+import database.enums
+
+
+def add_top_up(user_id: int,
+               amount: float,
+               description: str,
+               json_data: dict,
+               commit=False):
+    transaction = database.BalanceTransaction(
+        user_id=user_id,
+        type=database.enums.BalanceTransactionType.TOP_UP,
+        amount=amount,
+        description=description,
+        json_data=json_data,
+        created_at=datetime.datetime.now()
+    )
+    database.db.session.add(transaction)
+    if commit:
+        database.db.session.commit()