Payments.

aiogram/types/__init__.py

@@ -22,6 +22,7 @@ from .inline_query_result import InlineQueryResult, InlineQueryResultArticle, In
     InputLocationMessageContent, InputMessageContent, InputTextMessageContent, InputTextMessageContent, \
     InputVenueMessageContent, InputVenueMessageContent
 from .invoice import Invoice
+from .labeled_price import LabeledPrice
 from .location import Location
 from .message import Message, ContentType, ParseMode
 from .message_entity import MessageEntity
@@ -30,6 +31,7 @@ from .photo_size import PhotoSize
 from .pre_checkout_query import PreCheckoutQuery
 from .reply_keyboard import KeyboardButton, ReplyKeyboardMarkup, ReplyKeyboardRemove
 from .shipping_address import ShippingAddress
+from .shipping_option import ShippingOption
 from .shipping_query import ShippingQuery
 from .sticker import Sticker
 from .successful_payment import SuccessfulPayment
@@ -96,6 +98,7 @@ __all__ = [
     'InputVenueMessageContent',
     'Invoice',
     'KeyboardButton',
+    'LabeledPrice',
     'Location',
     'Message',
     'MessageEntity',
@@ -106,6 +109,7 @@ __all__ = [
     'ReplyKeyboardMarkup',
     'ReplyKeyboardRemove',
     'ShippingAddress',
+    'ShippingOption',
     'ShippingQuery',
     'Sticker',
     'SuccessfulPayment',

aiogram/types/base.py

@@ -18,10 +18,10 @@ class Serializable:
         """
         Returns a JSON string representation of this class.
 
-        This function must be overridden by subclasses.
-        :return: a JSON formatted string.
+        :return: a JSON.
         """
-        raise NotImplementedError
+        return {k: v.to_json() if hasattr(v, 'to_json') else v for k, v in self.__dict__.items() if
+                not k.startswith('_')}
 
 
 class Deserializable:

aiogram/types/labeled_price.py

@@ -0,0 +1,7 @@
+from .base import Serializable
+
+
+class LabeledPrice(Serializable):
+    def __init__(self, label, amount):
+        self.label = label
+        self.amount = amount

aiogram/types/shipping_option.py

@@ -0,0 +1,8 @@
+from .base import Serializable
+
+
+class ShippingOption(Serializable):
+    def __init__(self, id, title, prices):
+        self.id = id
+        self.title = title
+        self.prices = prices