feat: balance and reward

schemas/base.py

@@ -0,0 +1,20 @@
+from pydantic import BaseModel
+from pydantic.alias_generators import to_camel
+
+
+class CommonConfig:
+    alias_generator = to_camel
+    populate_by_name = True
+    from_attributes = True
+
+
+class CommonModel(BaseModel):
+    class Config(CommonConfig):
+        pass
+
+    @classmethod
+    def json_serialize(cls, obj):
+        return cls.model_validate(obj).model_dump(by_alias=True)
+
+    def to_dict(self, by_alias=True):
+        return self.model_dump(by_alias=by_alias)