setup.js

const prompts = require('prompts'),
    fs = require('fs'),
    chalk = require('chalk'),
    bsv = require('bsv');

//Generate new private key
let newPrivKey = bsv.PrivateKey.fromRandom();
newPrivKey = newPrivKey.toWIF();
// minerId: {
//     enabled: true,
//     privKey: "L2QhLR3D33zE9jWVzids2qGuNyxM2DtGX6kx5RQS3d3Am3krtKvh", //privateKey in WIF format
//     message: "利"
// },
// payto: "deanlittle@moneybutton.com",
// autopublish: true

const questions = [
    {
        type: 'number',
        name: 'spawn',
        message: 'How many workers to spawn?',
        initial: 4
    },
    {
        type: 'number',
        name: 'difficulty',
        message: 'Maximum difficulty to mine?',
        initial: 8
    },
    {
        type: 'confirm',
        name: 'enabled',
        message: 'Enable Miner API?',
        default: true
    },
    {
        type: 'number',
        name: 'minimum',
        message: 'Minimum satoshi amount for Miner ID',
        initial: 2000
    },
    {
        type: 'text',
        name: 'privkey',
        message: 'Private key in WIF format',
        initial: newPrivKey
    },
    {
        type: 'text',
        name: 'message',
        message: 'Select a message for Miner API'
    },
    {
        type: 'text',
        name: 'payto',
        message: 'Pay solved puzzles out to (1handle, $handle, PayMail or p2pkh address)'
    },
    {
        type: 'confirm',
        name: 'autopublish',
        message: 'Automatically publish solved puzzles?',
        default: true
    }
];

(async () => {
    const response = await prompts(questions);
    const config = {
        spawn: response.spawn,
        poll: 2500,
        maxDiff: response.difficulty,
        minerId: {
            enabled: response.enabled,
            minValue: response.minimum,
            privKey: response.privkey,
            message: response.message
        },
        payto: response.payto,
        fallback: "",
        autopublish: response.autopublish
    }
    fs.writeFile("config.js", 'module.exports = ' + JSON.stringify(config, null, 4).replace(/\"([^(\")"]+)\":/g, "$1:"), 'utf8', function (err) {
        if (err) {
            console.log(chalk.red("An error occured while writing config file. :("));
            return console.log(err);
        }
        let config2 = config;
        config2.minerId.privKey = config2.minerId.privKey.replace(/./gi, "*");
        console.log(chalk.green("Config file saved! :)"));
        console.log(JSON.stringify(config2, null, 4));
    });
})();