U know whit it is for...

tgbot-ddos-solve.js

// eating old updates
(async () => {
  if (bot.hasOpenWebHook()) {
    await bot.deleteWebHook()
  }
  let lastUpdateID = 0
  lastUpdateID = await bot.getUpdates({})
    .then(updates => updates[updates.length - 1].update_id)

  const recursiveReq = async () => {
    const newUpdate = await bot.getUpdates({ offset: lastUpdateID + 1 })

    if (newUpdate.length) {
      console.log('Fetched old updates...')
      lastUpdateID = newUpdate[newUpdate.length - 1].update_id
      getUpdateRec()
    } else {
      // STARTING
      bot.setWebHook(`${URL}/${TOKEN}`).then(() => {
        console.log('Bot summoned')
      });
      // ...or set your polling mode
    }
  }

  recursiveReq();
})()