This script parks a list of domain in parking.sinpapeles. It requires Bob Wallet.

parking.js

const { WalletClient } = require('hs-client');
const { Network } = require('hsd');
const network = Network.get('main');

// Important: Bob needs to be running

// This is the phrase you use to unlock Bob Wallet.
const passphrase = 'MY PASSPPHASE';

// The list of domains you want to park;
const names = ['xn--um8h', 'x1f'];

// Contact info: it can be an email or a link:
// const contact = 'mailto:domains.seller@gmail.com';
const contact = 'http://iamfernando/';

// Price for each domain
const value = '1000 HNS';

const records = [
    { type: 'NS', ns: 'parking.sinpapeles.' },      
    { type: 'TXT', txt: [`parking=${contact}`] }, // required
    { type: 'TXT', txt: [`parking-value=${value}`] }, // optional. Comment out this line if you don't want to set a value
];

const walletOptions = {
    network: network.type,
    port: network.walletPort,
    host: '127.0.0.1',
    apiKey: '871e1d9ffc3cadcd7e71efb6d5be2d22675b42d2', // Get this on Bob's settings page
};

const walletClient = new WalletClient(walletOptions);

(async () => {
    const timeout = names.length;
    await walletClient.execute('walletpassphrase', [passphrase, timeout]);

    names.forEach(async name => {
        const result = await walletClient.execute('sendupdate', [name, { records }]);
        console.log({ name, tx: result.hash });
        // Output: 
        //   {
        //     name: 'xn--um8h',
        //     tx: 'd8ff787e7c37e7660faca4439a61b54b20b17adf8751804a517aa0cb1880ab69'
        //   }
    });
})();