63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
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"""
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Support for Blockchain.info sensors.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/sensor.blockchain/
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"""
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import logging
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.helpers.entity import Entity
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import homeassistant.helpers.config_validation as cv
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import voluptuous as vol
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REQUIREMENTS = ['python-blockchain-api==0.0.2']
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_LOGGER = logging.getLogger(__name__)
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CONF_ADDRESSES = 'addresses'
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_ADDRESSES): [cv.string]
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the blockchain sensors."""
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from pyblockchain import validate_address
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addresses = config.get(CONF_ADDRESSES)
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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: " + address)
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return False
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add_devices([BlockchainSensor('Bitcoin Balance', addresses)])
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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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self.update()
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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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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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