core/homeassistant/components/sochain/sensor.py

79 lines
2.3 KiB
Python

"""Support for watching multiple cryptocurrencies."""
from datetime import timedelta
from pysochain import ChainSo
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import ATTR_ATTRIBUTION, CONF_ADDRESS, CONF_NAME
from homeassistant.helpers.aiohttp_client import async_get_clientsession
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity import Entity
ATTRIBUTION = "Data provided by chain.so"
CONF_NETWORK = "network"
DEFAULT_NAME = "Crypto Balance"
SCAN_INTERVAL = timedelta(minutes=5)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_ADDRESS): cv.string,
vol.Required(CONF_NETWORK): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
}
)
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up the sochain sensors."""
address = config.get(CONF_ADDRESS)
network = config.get(CONF_NETWORK)
name = config.get(CONF_NAME)
session = async_get_clientsession(hass)
chainso = ChainSo(network, address, hass.loop, session)
async_add_entities([SochainSensor(name, network.upper(), chainso)], True)
class SochainSensor(Entity):
"""Representation of a Sochain sensor."""
def __init__(self, name, unit_of_measurement, chainso):
"""Initialize the sensor."""
self._name = name
self._unit_of_measurement = unit_of_measurement
self.chainso = chainso
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def state(self):
"""Return the state of the sensor."""
return (
self.chainso.data.get("confirmed_balance")
if self.chainso is not None
else None
)
@property
def unit_of_measurement(self):
"""Return the unit of measurement this sensor expresses itself in."""
return self._unit_of_measurement
@property
def device_state_attributes(self):
"""Return the state attributes of the sensor."""
return {ATTR_ATTRIBUTION: ATTRIBUTION}
async def async_update(self):
"""Get the latest state of the sensor."""
await self.chainso.async_get_data()