index.js

/*jslint node: true*/
"use strict";

const inquirer = require('inquirer'),
      nacl = require('ed25519'),
      ed25519_basic = require('./cases/ed25519'),
      ed25519_subcondition = require('./cases/prefixSha256')

var questions = [
  {
    type: 'list',
    name: 'type',
    choices: ['1 - Ed25519', '2 - PrefixSha256'],
    message: 'Crypto condition simulation type',
    default: 0,
    filter: function (val) {
      return val.substring(0,1);
    },
  },
  {
    type: 'input',
    name: 'receiverSeed',
    message: 'Receiver Seed (to generate PubKey)',
    default: '833fe62409237b9d62ec77587520911e9a759cec1d19755b7da901b96dca3d42'
  },
  {
    type: 'input',
    name: 'message',
    message: 'Message',
    default: '{ "value": 12.99 }',
    when: function (answers) {
      return (answers.type === '2');
    }
  }
];

inquirer.prompt(questions).then(function (answers) {

  const receiverSeedBuffer = new Buffer(answers.receiverSeed, 'hex'),
        receiverKeypair = nacl.MakeKeypair(receiverSeedBuffer),
        message = new Buffer((answers.message ? answers.message : ''))

  console.log('\n');

  switch (answers.type) {
    case '1':
      ed25519_basic.start(receiverKeypair.publicKey, receiverSeedBuffer, message)
      break;
    case '2':
      ed25519_subcondition.start(receiverKeypair.publicKey, receiverSeedBuffer, new Buffer(message))
      break;
  }


});