Method: Zold::Prefixes#create

Defined in:
lib/zold/prefixes.rb

#create(length = 8) ⇒ Object 



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# File 'lib/zold/prefixes.rb', line 37

def create(length = 8)
  raise "Length #{length} is too small" if length < 8
  raise "Length #{length} is too big" if length > 32
  key = @wallet.key.to_pub
  prefix = ''
  rnd = Random.new
  until prefix =~ /^[a-zA-Z0-9]+$/
    start = rnd.rand(key.length - length)
    prefix = key[start..(start + length - 1)]
  end
  prefix
end