#!/usr/bin/ruby
require 'base64'
require 'digest/sha2'
require 'open3'
require 'openssl'
# Put your best guess at your passphrase here
passphrase = 'Oops I forgot'
# The full path to your Protoshares wallet file
wallet_file = ''
# Where to find Protoshares-qt client.
$protoshares = ''
def test(phrase)
 $cipher.reset
 $cipher.key = Digest::SHA256.digest(Digest::SHA256.digest(phrase))
 $cipher.update $seed
 $cipher.final
 puts phrase
 i,o,t = Open3.popen2e($protoshares, "-o", "getseed")
 i.puts(phrase)
 i.close
 if t.value.success?
  puts "Found it! #{phrase}"
  exit
 end
rescue OpenSSL::Cipher::CipherError
end
def scramble(passphrase)
 characters = " !\"\#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~"
 list = []
 # transpose adjacent chars
 (passphrase.length - 1).times do |i|
  testphrase = passphrase.dup
  testphrase[i] = passphrase[i+1]
  testphrase[i+1] = passphrase[i]
  list << testphrase
 end
 # delete one char
 passphrase.length.times do |i|
  testphrase = passphrase.dup
  testphrase = testphrase[0,i] + testphrase[(i+1)..-1]
  list << testphrase
 end
 # substitutute one char
 passphrase.length.times do |i|
  characters.chars.each do |c|
   testphrase = passphrase.dup
   testphrase[i] = c
   list << testphrase
  end
 end
 # insert one char
 (passphrase.length + 1).times do |i|
  characters.chars.each do |c|
   testphrase = passphrase.dup
   testphrase.insert(i, c)
   list << testphrase
  end
 end
 return list.uniq
end
wallet = File.read(wallet_file)
seed_base64 = wallet.match(/'seed': '([^']+)'/).captures.first
$seed = Base64.decode64(seed_base64)
$cipher = OpenSSL::Cipher.new('aes-256-cbc')
$cipher.iv = $seed.slice!(0,16)
Dir.chdir File.dirname $protoshares
list1 = scramble(passphrase)
list1.each { |i| test i }
list1.each { |i| scramble(i).each { |j| test j }}
puts "No luck."
exit 1

protoshares-qt -server -rpcpassword=some-password -rpcport=3838