From 787ebe3e635b8bce47c93b8a2429707709d09237 Mon Sep 17 00:00:00 2001
From: Alex Root Junior <jroot.junior@gmail.com>
Date: Tue, 28 Nov 2017 17:22:46 +0200
Subject: [PATCH] Set default values for not specified fields in payload. //
 TelegramObject

---
 aiogram/types/base.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/aiogram/types/base.py b/aiogram/types/base.py
index da802ae3..7a4bdd56 100644
--- a/aiogram/types/base.py
+++ b/aiogram/types/base.py
@@ -75,12 +75,19 @@ class TelegramObject(metaclass=MetaTelegramObject):
         """
         if conf is None:
             conf = {}
+        self._conf = conf
+
+        # Load data
         for key, value in kwargs.items():
             if key in self.props:
                 self.props[key].set_value(self, value, parent=self)
             else:
                 self.values[key] = value
-        self._conf = conf
+
+        # Load default values
+        for key, value in self.props.items():
+            if value.default and key not in self.values:
+                self.values[key] = value.default
 
     @property
     def conf(self) -> typing.Dict[str, typing.Any]: