#!/usr/bin/env node

const fs = require('fs')
const hkdf = require('futoin-hkdf')
const os = require('os')

const path = require('path')
require('dotenv').config({ path: process.env.NODE_ENV === 'production' ? path.resolve(os.homedir(), '.lamassu', '.env') : path.resolve(__dirname, '../.env') })

const mnemonicHelpers = require('../lib/mnemonic-helpers')

const MNEMONIC_PATH = process.env.MNEMONIC_PATH

const mnemonic = fs.readFileSync(MNEMONIC_PATH, 'utf8').trim()
const masterSeed = mnemonicHelpers.toEntropyBuffer(mnemonic)

console.log(hkdf(masterSeed, 16, { salt: 'lamassu-server-salt', info: 'operator-id' }).toString('hex'))