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from telethon import TelegramClient, events, types, functions
import asyncio
import logging
import tracemalloc
import os
import time
import sys
"""
Provider token can be obtained via @BotFather. more info at https://core.telegram.org/bots/payments#getting-a-token
If you are using test token, set test=True in generate_invoice function,
If you are using real token, set test=False
"""
provider_token = ''
tracemalloc.start()
logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
level=logging.WARNING)
logger = logging.getLogger(__name__)
def get_env(name, message, cast=str):
if name in os.environ:
return os.environ[name]
while True:
value = input(message)
try:
return cast(value)
except ValueError as e:
print(e, file=sys.stderr)
time.sleep(1)
bot = TelegramClient(
os.environ.get('TG_SESSION', 'payment'),
get_env('TG_API_ID', 'Enter your API ID: ', int),
get_env('TG_API_HASH', 'Enter your API hash: '),
proxy=None
)
# That event is handled when customer enters his card/etc, on final pre-checkout
# If we don't `SetBotPrecheckoutResultsRequest`, money won't be charged from buyer, and nothing will happen next.
@bot.on(events.Raw(types.UpdateBotPrecheckoutQuery))
async def payment_pre_checkout_handler(event: types.UpdateBotPrecheckoutQuery):
if event.payload.decode('UTF-8') == 'product A':
# so we have to confirm payment
await bot(
functions.messages.SetBotPrecheckoutResultsRequest(
query_id=event.query_id,
success=True,
error=None
)
)
elif event.payload.decode('UTF-8') == 'product B':
# same for another
await bot(
functions.messages.SetBotPrecheckoutResultsRequest(
query_id=event.query_id,
success=True,
error=None
)
)
else:
# for example, something went wrong (whatever reason). We can tell customer about that:
await bot(
functions.messages.SetBotPrecheckoutResultsRequest(
query_id=event.query_id,
success=False,
error='Something went wrong'
)
)
raise events.StopPropagation
# That event is handled at the end, when customer payed.
@bot.on(events.Raw(types.UpdateNewMessage))
async def payment_received_handler(event):
if isinstance(event.message.action, types.MessageActionPaymentSentMe):
payment: types.MessageActionPaymentSentMe = event.message.action
# do something after payment was received
if payment.payload.decode('UTF-8') == 'product A':
await bot.send_message(event.message.peer_id.user_id, 'Thank you for buying product A!')
elif payment.payload.decode('UTF-8') == 'product B':
await bot.send_message(event.message.peer_id.user_id, 'Thank you for buying product B!')
raise events.StopPropagation
# let's put it in one function for more easier way
def generate_invoice(price_label: str, price_amount: int, currency: str, title: str,
description: str, payload: str, start_param: str) -> types.InputMediaInvoice:
price = types.LabeledPrice(label=price_label, amount=price_amount) # label - just a text, amount=10000 means 100.00
invoice = types.Invoice(
currency=currency, # currency like USD
prices=[price], # there could be a couple of prices.
test=True, # if you're working with test token, else set test=False.
# More info at https://core.telegram.org/bots/payments
# params for requesting specific fields
name_requested=False,
phone_requested=False,
email_requested=False,
shipping_address_requested=False,
# if price changes depending on shipping
flexible=False,
# send data to provider
phone_to_provider=False,
email_to_provider=False
)
return types.InputMediaInvoice(
title=title,
description=description,
invoice=invoice,
payload=payload.encode('UTF-8'), # payload, which will be sent to next 2 handlers
provider=provider_token,
provider_data=types.DataJSON('{}'),
# data about the invoice, which will be shared with the payment provider. A detailed description of
# required fields should be provided by the payment provider.
start_param=start_param,
# Unique deep-linking parameter. May also be used in UpdateBotPrecheckoutQuery
# see: https://core.telegram.org/bots#deep-linking
# it may be the empty string if not needed
)
@bot.on(events.NewMessage(pattern='/start'))
async def start_handler(event: events.NewMessage.Event):
await event.respond('/product_a - product A\n/product_b - product B\n/product_c - product, shall cause an error')
@bot.on(events.NewMessage(pattern='/product_a'))
async def start_handler(event: events.NewMessage.Event):
await bot.send_message(
event.chat_id, 'Sending invoice A',
file=generate_invoice(
price_label='Pay', price_amount=10000, currency='RUB', title='Title A', description='description A',
payload='product A', start_param='abc'
)
)
@bot.on(events.NewMessage(pattern='/product_b'))
async def start_handler(event: events.NewMessage.Event):
await bot.send_message(
event.chat_id, 'Sending invoice B',
file=generate_invoice(
price_label='Pay', price_amount=20000, currency='RUB', title='Title B', description='description B',
payload='product B', start_param='abc'
)
)
@bot.on(events.NewMessage(pattern='/product_c'))
async def start_handler(event: events.NewMessage.Event):
await bot.send_message(
event.chat_id, 'Sending invoice C',
file=generate_invoice(
price_label='Pay', price_amount=50000, currency='RUB', title='Title C',
description='description c - shall cause an error', payload='product C', start_param='abc'
)
)
async def main():
await bot.start()
await bot.run_until_disconnected()
if __name__ == '__main__':
if not provider_token:
logger.error("No provider token supplied.")
exit(1)
asyncio.run(main())
|
