First steem voting bot

bot1.js

'use strict';

const steem = require('steem');

/* to be filled up */
const selfName = '';
const postingWif = '';

const eol = '\n';

steem.api.getFollowing(selfName, 0, 'blog', 100, (err, result) => {
  if (err) { throw err; }

  const followerUsernames = result.map(r => r.following);

  console.log('Followers:', eol);
  console.log(followerUsernames);

  const rndIdx = Math.floor(Math.random() * followerUsernames.length);
  const u = followerUsernames[rndIdx];

  console.log(eol, 'Chosen follower is:', eol);
  console.log(u);

  steem.api.getDiscussionsByBlog({tag: u, limit: 1}, (err, posts) => {
    if (err) { throw err; }

    console.log(eol, 'Post fields:', eol);
    console.log(Object.keys(posts[0]));

    steem.broadcast.vote(postingWif, selfName, u, posts[0].permlink, 1000, (err, result) => {
      if (err) { throw err; }

      console.log(eol, 'Vote broadcast:', eol);
      console.log(result);
    });
  });
});