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