sample.js

import { Telegram } from 'telegram-js';
import MTProto from 'telegram-mt-node';
import TypeLanguage from 'telegram-tl-node';

// Download from https://core.telegram.org/schema/json
// Make sure you have the most recent layer version!
import schema from './api-schema.json';

// get server IPs and your app id/hash from http://my.telegram.org/
const APP_ID = '123123';
const APP_HASH = '123123';
const SERVER = { host: '149.154.167.40', port: '443' };

// Factory instance, where new clients will be generated
let telegram = new Telegram(MTProto, TypeLanguage);
telegram.useSchema(schema);
addPublicKeys(telegram);

const config = {
    id: APP_ID,
    hash: APP_HASH,
    version: '0.0.1',
    lang_code: 'en',
    authKey: null
};

// on Node.js side, is better to use TcpConnection instead
let connection = new MTProto.net.HttpConnection(SERVER);

// You can create as many clients as necessary. Usually, you will have two
// instances, one for API calls and one for file transport
let client = telegram.createClient();
client.setConnection(connection);

connection.connect(function () {
    let ready = client.setup(config);

    ready.then(function(client) {
        function callback(response) {
            console.log(response);
        }

        client.callApi('help.getConfig').then(callback, callback);
    });
});

// Telegram public keys
function addPublicKeys(telegram) {
    let publicKeys = [{
        fingerprint: '0x9a996a1db11c729b',
        modulus: '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',
        exponent: '010001'
    },
    {
        fingerprint: '0xb05b2a6f70cdea78',
        key: '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',
        exponent: '010001'
    },
    {
        fingerprint: '0xc3b42b026ce86b21',
        modulus: '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',
        exponent: '010001'
    },
    {
        fingerprint: '0x71e025b6c76033e3',
        modulus: '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',
        exponent: '010001'
    }];

    publicKeys.forEach(key => telegram.addPublicKey(key));
}