93 lines
2.7 KiB
Python
93 lines
2.7 KiB
Python
"""
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Support for Etherscan 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.etherscan/
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"""
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from datetime import timedelta
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import ATTR_ATTRIBUTION, CONF_NAME
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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REQUIREMENTS = ['python-etherscan-api==0.0.3']
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CONF_ADDRESS = 'address'
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CONF_TOKEN = 'token'
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CONF_TOKEN_ADDRESS = 'token_address'
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CONF_ATTRIBUTION = "Data provided by etherscan.io"
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SCAN_INTERVAL = timedelta(minutes=5)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_ADDRESS): cv.string,
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vol.Optional(CONF_NAME): cv.string,
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vol.Optional(CONF_TOKEN): cv.string,
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vol.Optional(CONF_TOKEN_ADDRESS): 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 Etherscan.io sensors."""
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address = config.get(CONF_ADDRESS)
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name = config.get(CONF_NAME)
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token = config.get(CONF_TOKEN)
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token_address = config.get(CONF_TOKEN_ADDRESS)
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if token:
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token = token.upper()
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if not name:
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name = "%s Balance" % token
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if not name:
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name = "ETH Balance"
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add_devices([EtherscanSensor(name, address, token, token_address)], True)
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class EtherscanSensor(Entity):
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"""Representation of an Etherscan.io sensor."""
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def __init__(self, name, address, token, token_address):
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"""Initialize the sensor."""
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self._name = name
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self._address = address
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self._token_address = token_address
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self._token = token
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self._state = None
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self._unit_of_measurement = self._token or "ETH"
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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 device_state_attributes(self):
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"""Return the state attributes of the sensor."""
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return {
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ATTR_ATTRIBUTION: CONF_ATTRIBUTION,
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}
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def update(self):
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"""Get the latest state of the sensor."""
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from pyetherscan import get_balance
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if self._token_address:
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self._state = get_balance(self._address, self._token_address)
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elif self._token:
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self._state = get_balance(self._address, self._token)
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else:
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self._state = get_balance(self._address)
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