Generate wallets (Alice, Bob, Carol), create a json file and import private keys to Bitcoin Core

generate_wallets.js

/**
 * Generate wallets (Alice, Bob, Carol), create a json file and import private keys to Bitcoin Core
 *
 * BIP32 methods
 *  - fromBase58
 *  - fromPrivateKey
 *  - fromPublicKey
 *  - fromSeed
 *
 * BIP39 methods
 *  - mnemonicToSeed
 *  - mnemonicToSeedHex
 *  - mnemonicToEntropy
 *  - entropyToMnemonic
 *  - generateMnemonic
 *  - validateMnemonic
 */

const { exec } = require('child_process')
const bitcoin = require('bitcoinjs-lib')
const bip32 = require('bip32')
const bip39 = require('bip39')
// Change the network appropriately
const network = bitcoin.networks.regtest

// Replace these values 
// 128 bit entropy => 12 words mnemonic
// bx seed -b 128
const wallets = [
  {alice: '182301471f6892728ae56bb95b54396e'},
  {bob: '28c8b37e1462a460fafa440d3ec66d29'},
  {carol: '61628dbe355f4675d895d399b984aaf4'}
]

// Create a json file with main info
let walletsJSON="{"

// Iterate on wallets
wallets.map((wallet, wallet_index) => {
  walletsJSON += `"${Object.keys(wallet)}": [`
  // Get mnemonic from entropy
  let mnemonic = bip39.entropyToMnemonic(wallet[Object.keys(wallet)])
  console.log(`${Object.keys(wallet)} mnemonic  `, mnemonic)
  // Get seed from mnemonic
  let seed = bip39.mnemonicToSeed(mnemonic)
  console.log(`${Object.keys(wallet)} seed  `, seed.toString('hex'))
  // Get master BIP32 master from seed
  let master = bip32.fromSeed(seed, network)
  // Get private key WIF
  let wif = master.toWIF()
  console.log(`${Object.keys(wallet)} master wif  `, wif)
  // Get BIP32 extended private key
  let xpriv = master.toBase58()
  console.log(`${Object.keys(wallet)} master xpriv  `, xpriv)
  // Get BIP32 extended public key
  let xpub = master.neutered().toBase58()
  console.log(`${Object.keys(wallet)} master xpub  `, xpub)
  console.log()

  /**
   * Bitcoin Core derivation - m/0'/0'/${index}'
   * Derive 3 sets of addresses
   */
  ;[...Array(3)].map((u, i) => {
    // Get child node
    let child = master.derivePath(`m/0'/0'/${i}'`)
    // Get child wif private key
    let wif = child.toWIF()
    console.log(`${Object.keys(wallet)} child ${i} wif  `, wif)
    // Get child extended private key
    console.log(`${Object.keys(wallet)} child ${i} xpriv  `, child.toBase58())
    // Get child EC private key
    console.log(`${Object.keys(wallet)} child ${i} privKey  `, child.privateKey.toString('hex'))
    // Get child extended public key
    console.log(`${Object.keys(wallet)} child ${i} xpub  `, child.neutered().toBase58())
    // Get child EC public key
    let ECPubKey =  child.publicKey.toString('hex')
    console.log(`${Object.keys(wallet)} child ${i} pubKey  `, ECPubKey)

    // Addresses
    // P2PKH
    let p2pkh = bitcoin.payments.p2pkh({pubkey: child.publicKey, network}).address
    console.log(`${Object.keys(wallet)} child ${i} address p2pkh  `, p2pkh)
    // P2WPKH
    let p2wpkh = bitcoin.payments.p2wpkh({pubkey: child.publicKey, network})
    let p2wpkhAddress = p2wpkh.address
    console.log(`${Object.keys(wallet)} child ${i} address p2wpkh  `, p2wpkhAddress)
    // P2SH-P2WPKH
    let p2sh_p2wpkh = bitcoin.payments.p2sh({redeem: p2wpkh, network}).address
    console.log(`${Object.keys(wallet)} child ${i} address p2sh-p2wpkh  `, p2sh_p2wpkh)
    console.log()

    // No comma for the last derivation
    if (i === 2) {
      walletsJSON += `{"wif": "${wif}", "pubKey": "${ECPubKey}", "p2pkh": "${p2pkh}", "p2wpkh": "${p2wpkhAddress}", "p2sh-p2wpkh": "${p2sh_p2wpkh}"}`
    } else {
      walletsJSON += `{"wif": "${wif}", "pubKey": "${ECPubKey}", "p2pkh": "${p2pkh}", "p2wpkh": "${p2wpkhAddress}", "p2sh-p2wpkh": "${p2sh_p2wpkh}"},`
    }
  })

  // No comma for last wallet
  wallet_index === 2 ? walletsJSON+="]}" : walletsJSON+="],"
  console.log()
})



// Write a json file with main info
exec(
  `echo '${walletsJSON}' | jq . > wallets.json`, (error, stdout, stderr) => {
  if (error) {
    console.error('stderr', stderr)
    throw error
  }
    stdout && console.log(stdout)
    console.log('wallets.json has been written successfully')
    
    // Import private keys to Bitcoin Core
    exec('./import_privkeys.sh', (error, stdout, stderr) => {
      if (error) {
        console.error('stderr', stderr)
        throw error
      }
      stdout && console.log(stdout)
      console.log('Private keys have been imported to Bitcoin Core successfully')
    })   
})

import_privkeys.sh

#!/usr/bin/env bash

count=0
wallets=(alice alice alice bob bob bob carol carol carol)

cat wallets.json | jq -r '.[][].wif' |
while read -r wif
do
  bitcoin-cli importprivkey ${wif} "autogen_${wallets[count]}" false
  ((count ++))
done

package.json

{
  "name": "tmp",
  "version": "1.0.0",
  "license": "AGPL",
  "dependencies": {
    "bip32": "2.0.6",
    "bip39": "2.6.0",
    "bitcoinjs-lib": "5.2.0"
  }
}

wallets.json

{
  "alice": [
    {
      "wif": "cQBwuzEBYQrbWKFZZFpgitRpdDDxUrT1nzvhDWhxMmFtWdRnrCSm",
      "pubKey": "03745c9aceb84dcdeddf2c3cdc1edb0b0b5af2f9bf85612d73fa6394758eaee35d",
      "p2pkh": "n4SvybJicv79X1Uc4o3fYXWGwXadA53FSq",
      "p2wpkh": "bcrt1qlwyzpu67l7s9gwv4gzuv4psypkxa4fx4ggs05g",
      "p2sh-p2wpkh": "2MzFvFvnhFskGnVQpUr1ZPr4wYWLwf211s6"
    },
    {
      "wif": "cNSs88aArgZeHrq7wpq8B56k1LGi4BVbSHqzYDic9ztju6TruHM5",
      "pubKey": "02b233055e060a554201d227a0b9d019cf24468ab1a7d9446c423a198cfbf956d5",
      "p2pkh": "mgZt5Fqzszdwf8hDgZt3mUf7js611aKRPc",
      "p2wpkh": "bcrt1qpwzand6l2kke6sh29t56y32k3j35jvhkrn9s5l",
      "p2sh-p2wpkh": "2N95xbaytPcRBwi2HmUTumE7YSfLBk8po99"
    },
    {
      "wif": "cTp88sXB3ZDrWNnD1BtShjREFrw8eCs87bZncrZitryhFbiT2mmQ",
      "pubKey": "0220f2d0315bf811009bf82069dc6be7225cab598d0f3504695539d631711b6252",
      "p2pkh": "n3ZLcnCtfRucM4WLnXqukm9bTdb1PWeETk",
      "p2wpkh": "bcrt1q78rrh0fapgsgvhzrgphulsy6m9fmyw4q2ehuh6",
      "p2sh-p2wpkh": "2NC9jSfJyLLAKQgzxSJ7QGrq4X3Wgh34kCb"
    }
  ],
  "bob": [
    {
      "wif": "cNaEjitvA19JZxWAFyCFMsm16TvGEmVAW3AkPnVr8E9vgwdZWMGV",
      "pubKey": "027efbabf425077cdbceb73f6681c7ebe2ade74a65ea57ebcf0c42364d3822c590",
      "p2pkh": "mfsqh18UT3XjpJ8yVeiM7YX1mLxq5REG9d",
      "p2wpkh": "bcrt1qq0en3c8cnrh5pu0tvu6dc8665u4yzc0cw9nweq",
      "p2sh-p2wpkh": "2N8QRLVT9VTa5ryoqSbGhGqq1x3FKp9SfoJ"
    },
    {
      "wif": "cMhhNRoKiJP37jwwDjoXBhMRk8aEiTTe7fLbFNUc3HwD4jLciNfd",
      "pubKey": "02d8698e38dc413e175c60290b223c0cf175d15f22c889bc98849e81548e1a3168",
      "p2pkh": "mi4kxzYMgjqdqjvfLkHGPi7R1ZrLMx2BH7",
      "p2wpkh": "bcrt1qr06pkr2h98sqkd4lqgm6sngtjar0eswdrpttw7",
      "p2sh-p2wpkh": "2N6j5eEZzeouYMkHLXU5vU4BorXPhAR43NZ"
    },
    {
      "wif": "cSr7dfYATGQzMaS66caTGX3n2owEr5YcMUdmHSc3prj8zfusFz4s",
      "pubKey": "03091bf7a5f90630c7c6c10d68d5555917668d307565ed7ba458e69d137b33f86b",
      "p2pkh": "msPTg2SY8YasMCcCxgA4LocqdxP9SDz8uu",
      "p2wpkh": "bcrt1qsgmtfdh8ndyd7h9zv97xhdel52q6s0s8597nzc",
      "p2sh-p2wpkh": "2NEBdHDRNphUosaHENxyxs3Qp498NHgVtUz"
    }
  ],
  "carol": [
    {
      "wif": "cQj5thuudcupEQo5WTYqVzs6ZtPGkdfCepNUpgJe6VAFeKFfhMtW",
      "pubKey": "023a11cfcedb993ff2e7523f92e359c4454072a66d42e8b74b4b27a8a1258abddd",
      "p2pkh": "mh1HAVWhKkzcvF41MNRKfakVvPV2sfaf3R",
      "p2wpkh": "bcrt1qzpfcvdujk53llu3996ng0k57hn2q96k3dwmytw",
      "p2sh-p2wpkh": "2MyfuZkCtYeSEA4LjJAkkxW6zxdyhKnVyBX"
    },
    {
      "wif": "cP3NxUDcpQGmSEftJ9VVznpMXh8AHkyj9qczSUz2HHjweK2PjcsJ",
      "pubKey": "03e3aee22cc50638083afa8bd60da82cc351588619610566ca28cc50620e3f8cd9",
      "p2pkh": "n3AE1ou9qaJvM8yyhEKg8ktDKYY2aJbGcK",
      "p2wpkh": "bcrt1qa4nj0pgk428zy3rez5xcvjx29c9zcr5654qqzm",
      "p2sh-p2wpkh": "2MttMce5bYsZu22bFvXCKcosef9aJ4Bg36s"
    },
    {
      "wif": "cQkx12ymQJW4yiqRUefqFrYZR6oxHrNBoD7SBcuLTRTRAneFKgTH",
      "pubKey": "03db4f9fadddee79aa79591a55548bbb74018ec82460718bba4e46746d5b5e4d32",
      "p2pkh": "munrKvk5qGsG63be82rBk34hJqqSnSHWEk",
      "p2wpkh": "bcrt1qnjfk7nvpqnfluf6ff9748cq7a60qwj7n99m3l6",
      "p2sh-p2wpkh": "2Mt8ZpgtsnRnY3Lxed4KTExCvJxgePYwuPy"
    }
  ]
}