Cryptocurrency portfolio checker

portfolio_checker.rb

#!/usr/bin/env ruby
balances = {
  'BTC'  => 0,
  'DASH' => 0,
  'ETH'  => 0,
  'LTC'  => 0,
  'NMC'  => 0,
  'XMR'  => 0
}

require 'httparty'
require 'json'
usd_prices = {
  'BTC'  => JSON.parse(HTTParty.get('https://apiv2.bitcoinaverage.com/exchanges/gdax').to_s)['symbols']['BTCUSD']['last'],
  'DASH' => JSON.parse(HTTParty.get('https://api.cryptowat.ch/markets/kraken/dashusd/price').to_s)['result']['price'],
  'ETH'  => JSON.parse(HTTParty.get('https://apiv2.bitcoinaverage.com/exchanges/gdax').to_s)['symbols']['ETHUSD']['last'],
  'LTC'  => JSON.parse(HTTParty.get('https://api.cryptowat.ch/markets/kraken/ltcusd/price').to_s)['result']['price'],
  'NMC'  => JSON.parse(HTTParty.get('https://api.cryptowat.ch/markets/btce/nmcusd/price').to_s)['result']['price'],
  'XMR'  => JSON.parse(HTTParty.get('https://api.cryptowat.ch/markets/kraken/xmrusd/price').to_s)['result']['price']
}

usd_balances = balances.collect{|coin, coin_balance| [coin, (coin_balance * usd_prices[coin])]}.to_h
total_balance = usd_balances.values.reduce(0, :+)

usd_balances.each do |coin, balance|
  puts "#{coin}: $#{sprintf("%.2f", balance)} / #{sprintf("%.2f", 100*balance/total_balance)}%" if balance != 0
end

puts "Total Portfolio Balance: #{sprintf("%.2f", total_balance)}"

I'd like to report a bug... this script gives prices in USD, not BTC.

@yrral86 I made a repo for this, so feel free to fork it: https://github.com/bplunkert/portfolio_checker