def verify
      create_order
      start_challenge
      wait_verify_status
      check_verify_status
    rescue Acme::Client::Error => e
      retry_on_verify_error(e)
    end
def verify
      create_order
      start_challenge
      wait_verify_status
      check_verify_status
    rescue Acme::Client::Error => e
      retry_on_verify_error(e)
    end
Returns true if verify domain is succeed.