poet_settings_view.py 文件源码

def minimum_wait_time(self):
        """Return the minimum wait time if config setting exists and is valid,
        otherwise return the default.

        The minimum wait time is used as a lower bound for the minimum amount
        of time a validator must want before attempting to claim a block.
        """
        if self._minimum_wait_time is None:
            self._minimum_wait_time = \
                self._get_config_setting(
                    name='sawtooth.poet.minimum_wait_time',
                    value_type=float,
                    default_value=PoetSettingsView._MINIMUM_WAIT_TIME_,
                    validate_function=lambda value:
                        math.isfinite(value) and value > 0)

        return self._minimum_wait_time