86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
"""Support for Blockchain.info sensors."""
|
|
import logging
|
|
from datetime import timedelta
|
|
|
|
import voluptuous as vol
|
|
|
|
import homeassistant.helpers.config_validation as cv
|
|
from homeassistant.components.sensor import PLATFORM_SCHEMA
|
|
from homeassistant.const import (CONF_NAME, ATTR_ATTRIBUTION)
|
|
from homeassistant.helpers.entity import Entity
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
ATTRIBUTION = "Data provided by blockchain.info"
|
|
|
|
CONF_ADDRESSES = 'addresses'
|
|
|
|
DEFAULT_NAME = 'Bitcoin Balance'
|
|
|
|
ICON = 'mdi:currency-btc'
|
|
|
|
SCAN_INTERVAL = timedelta(minutes=5)
|
|
|
|
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
|
|
vol.Required(CONF_ADDRESSES): [cv.string],
|
|
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
|
|
})
|
|
|
|
|
|
def setup_platform(hass, config, add_entities, discovery_info=None):
|
|
"""Set up the Blockchain.info sensors."""
|
|
from pyblockchain import validate_address
|
|
|
|
addresses = config.get(CONF_ADDRESSES)
|
|
name = config.get(CONF_NAME)
|
|
|
|
for address in addresses:
|
|
if not validate_address(address):
|
|
_LOGGER.error("Bitcoin address is not valid: %s", address)
|
|
return False
|
|
|
|
add_entities([BlockchainSensor(name, addresses)], True)
|
|
|
|
|
|
class BlockchainSensor(Entity):
|
|
"""Representation of a Blockchain.info sensor."""
|
|
|
|
def __init__(self, name, addresses):
|
|
"""Initialize the sensor."""
|
|
self._name = name
|
|
self.addresses = addresses
|
|
self._state = None
|
|
self._unit_of_measurement = 'BTC'
|
|
|
|
@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._state
|
|
|
|
@property
|
|
def unit_of_measurement(self):
|
|
"""Return the unit of measurement this sensor expresses itself in."""
|
|
return self._unit_of_measurement
|
|
|
|
@property
|
|
def icon(self):
|
|
"""Return the icon to use in the frontend, if any."""
|
|
return ICON
|
|
|
|
@property
|
|
def device_state_attributes(self):
|
|
"""Return the state attributes of the sensor."""
|
|
return {
|
|
ATTR_ATTRIBUTION: ATTRIBUTION,
|
|
}
|
|
|
|
def update(self):
|
|
"""Get the latest state of the sensor."""
|
|
from pyblockchain import get_balance
|
|
self._state = get_balance(self.addresses)
|