class Faker::Blockchain::Aeternity

def address
  'ak_' + rand_strings
end

def contract
  'ct_' + rand_strings
end

def oracle
  'ok_' + rand_strings(51)
end

def rand_strings(length = 50)
  hex_alphabet = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
  var = +''
  length.times { var << sample(shuffle(hex_alphabet.split(''))) }
  var
end

def transaction
  'th_' + rand_strings(51)
end