code: function createRole (commandOptions, { roleName, permissionsList }) {
    return command(
      commandOptions,
      txHelper.addCommand(
        txHelper.emptyTransaction(),
        'createRole',
        {
          roleName,
          permissionsList
        }
      )
    )
  }
docs: createRole
  @param {Object} commandOptions
  @param {Object} args
  @property {String} args.roleName
  @property {Number[]} args.permissionsList
  @link https://iroha.readthedocs.io/en/latest/api/commands.html#create-role