'Return the state attributes of the sensor.'

@property
def device_state_attributes(self):

    return {ATTR_24H_VOLUME_USD: self._ticker.get('24h_volume_usd'), ATTR_ATTRIBUTION: CONF_ATTRIBUTION, ATTR_AVAILABLE_SUPPLY: self._ticker.get('available_supply'), ATTR_MARKET_CAP: self._ticker.get('market_cap_usd'), ATTR_PERCENT_CHANGE_24H: self._ticker.get('percent_change_24h'), ATTR_PERCENT_CHANGE_7D: self._ticker.get('percent_change_7d'), ATTR_SYMBOL: self._ticker.get('symbol'), ATTR_TOTAL_SUPPLY: self._ticker.get('total_supply')}
