Added full support of Bot API 7.5 (#1518)

* Added full support of Bot API 7.5

* Added changelog

* Update date type in RevenueWithdrawalStateSucceeded

* Added example

examples/stars_invoice.py

@@ -0,0 +1,64 @@
+import asyncio
+import logging
+from os import getenv
+
+from aiogram import Bot, Dispatcher, F, Router
+from aiogram.filters import Command
+from aiogram.types import LabeledPrice, Message, PreCheckoutQuery
+
+TOKEN = getenv("BOT_TOKEN")
+
+GOODS = {  # Fake storage for goods, in real life it should be a database
+    "demo": 1,
+    "another": 0,
+}
+
+logger = logging.getLogger(__name__)
+invoices_router = Router(name=__name__)
+
+
+@invoices_router.message(Command("start"))
+async def command_start(message: Message) -> None:
+    # Send demo invoice to user, the payment will be refunded after successful payment
+    await message.answer_invoice(
+        title="Demo invoice",
+        description="Demo invoice description",
+        prices=[
+            LabeledPrice(label="Demo", amount=42),
+        ],
+        payload="demo",
+        currency="XTR",
+    )
+
+
+@invoices_router.pre_checkout_query(F.invoice_payload == "demo")
+async def pre_checkout_query(query: PreCheckoutQuery) -> None:
+    # if your product is available for sale,
+    # confirm that you are ready to accept payment
+    if GOODS.get(query.invoice_payload) > 0:
+        await query.answer(ok=True)
+    else:
+        await query.answer(ok=False, error_message="The product is out of stock")
+
+
+@invoices_router.message(F.successful_payment)
+async def successful_payment(message: Message, bot: Bot) -> None:
+    await bot.refund_star_payment(
+        user_id=message.from_user.id,
+        telegram_payment_charge_id=message.successful_payment.telegram_payment_charge_id,
+    )
+    await message.answer("Thanks. Your payment has been refunded.")
+
+
+async def main() -> None:
+    bot = Bot(token=TOKEN)
+
+    dispatcher = Dispatcher()
+    dispatcher.include_router(invoices_router)
+
+    await dispatcher.start_polling(bot)
+
+
+if __name__ == "__main__":
+    logging.basicConfig(level=logging.INFO)
+    asyncio.run(main())