Pre-Checkout Timeout Error while making a Payment

[sojinsamuel]

i've built a telegram bot using nodejs that downloads videos from tweet urls. Completed that part. now, Iim struggling to implement a paywall using the sendInvoice method in the Telegram API.

https://core.telegram.org/bots/api#sendinvoice

i'm using Stripe for payments in test mode. however, after sending the invoice, when users try to pay, it buffers and times out as in the image.

Question i asked on stackoverflow (my version 1 code without using any external libs for the bot): https://stackoverflow.com/questions/78251916/stripe-pre-checkout-timeout-error-while-making-a-test-payment-from-telegram-bot

Not sure what was wrong there at the first time; i did find this similar problem on stackoverflow: https://stackoverflow.com/questions/73341054/telegram-sendinvoice-method-is-failing

Which i almost thought i solved it, but i am not even receiving the update object as explained here https://core.telegram.org/bots/api#answershippingquery

So finally to implement what's being said and to make things simple i started to use this library node-telegram-bot-api (previously used rest api from telegram)

Even after making the changes suggested from the docs and on the similar stackoverflow solution above.

I have come to this (an abstracted version 2 of my source code):

import { config } from "dotenv";
import TelegramBot from "node-telegram-bot-api";
import getTwitterVideoURL from "./twitterfunction.js";

config();

const token = process.env.TELEGRAM_BOT_TOKEN;
// console.log(token);
const bot = new TelegramBot(token, { polling: true });

bot.on("message", async (msg) => {
  //   console.log(JSON.stringify(msg, null, 2));
  const chatId = msg.chat.id;
  const message = msg.text.trim();

  console.log(JSON.stringify(msg, null, 2));

  bot.sendInvoice(
    chatId,
    "Title goes here",
    "Unlock premium content with a subscription",
    "Invoice for payment",
    "MY_PROVIDER_TOKEN",
    "USD",
    [{ label: "tax", amount: 4000 }],
    {
      is_flexible: false,
      need_phone_number: false,
      need_email: true,
      need_shipping_address: false,
    }
  );

});

bot.on("pre_checkout_query", async (query) => {
  console.log("Received pre-checkout query:", query);

  // Answer the pre-checkout query within 10 seconds more info: https://core.telegram.org/bots/api#answerprecheckoutquery

  const preCheckoutQueryAnswer = await bot.answerPreCheckoutQuery(
    query.id,
    true
  );

  console.log("Pre-checkout query answer:", preCheckoutQueryAnswer);
});

bot.on("successful_payment", async (payload) => {
  console.log("Successful payment:", payload);

  const message = `Thank you for your payment of ${
    payload.total_amount / 100
  } ${payload.currency}!`;
  await bot.sendMessage(payload.chat_id, message);
});

bot.on("invoice", (error) => {
  console.log("invoice", error);
});

bot.on("shipping_query", async (query) => {
  console.log("Received shipping query:", query);

  // Don't have any shipping options, provide an empty array
  const shippingOptions = [];

  const shippingQueryAnswer = await bot.answerShippingQuery(
    query.id,
    true, // Set to false if the shipping cannot be processed
    { shipping_options: shippingOptions }
  );

  console.log("Shipping query answer:", shippingQueryAnswer);
});

Still the same problem. Tried other payment provider too no luck.

Can anyone help me out please.

[werniq]

Hi. Have you solved it?

[sojinsamuel]

no, I havent worked on it for a while and stripe doesnt work on india anymore. will you lmk if you find a solution

On Tue, Jun 4, 2024 at 5:55 PM qniwerss @.***> wrote:

Hi. Have you solved it?

— Reply to this email directly, view it on GitHub https://github.com/yagop/node-telegram-bot-api/issues/1187#issuecomment-2147406969, or unsubscribe https://github.com/notifications/unsubscribe-auth/ASM4GGBZPSY5YPLROQVBKNLZFWW37AVCNFSM6AAAAABFR32QZ6VHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDCNBXGQYDMOJWHE . You are receiving this because you authored the thread.Message ID: @.***>

[werniq]

Yes, it is related to pre_checkout_query. So after client clicks Pay button, some pre checkout query is sent to your bot. You need to handle responding to this query, and everything will be ok.

[sojinsamuel]

Yes, it is related to pre_checkout_query. So after client clicks Pay button, some pre checkout query is sent to your bot. You need to handle responding to this query, and everything will be ok.

bot.on("pre_checkout_query", async (query) => {
  console.log("Received pre-checkout query:", query);

  // Answer the pre-checkout query within 10 seconds more info: https://core.telegram.org/bots/api#answerprecheckoutquery

  const preCheckoutQueryAnswer = await bot.answerPreCheckoutQuery(
    query.id,
    true
  );

  console.log("Pre-checkout query answer:", preCheckoutQueryAnswer);
});

But i didnt get any payload after clicking on pay button, is it possible to share any code snippets for this issue or an update. anyways thanks a lot for contributing to the conversation :smiley:

[werniq]

in python my handler looks like this

@dp.pre_checkout_query()
async def pre_checkout_query_handler(pre_checkout_query: types.pre_checkout_query):
    await bot.answer_pre_checkout_query(pre_checkout_query.id, ok=True)