text: start_exchange = """
  mutation {
    startKeyExchange(
      input: {
        key: $key
        salt: $salt
        etext: $etext
      }
    ) {
      phrase
      errors{
        messages
      }
    }
  }
  """
  
  complete_exchange = """
  mutation {
    completeKeyExchange(
      input: {
        phrase: $phrase
      }
    ) {
      key
      salt
      etext
      errors{
        messages
      }
    }
  }
  """
  