def query(self, contract_digest: Address, contract_owner: Address,
query: str, **kwargs):
prefix = '{}.{}'.format(contract_digest.to_hex(), str(contract_owner))
return self._post_json(query,
prefix=prefix,
data=self._encode_json_payload(**kwargs))
class ChargerAgent(OEFAgent):
"""Class that implements the behaviour of the charger agent."""
print("\n".join(sys.argv))
price_kwh = int(sys.argv[1]) #55
location = Location(float(sys.argv[2]),
float(sys.argv[3])) #52.2057092, 0.1183431)
bonus = int(sys.argv[6])
charger_description = Description(
{
"price_kilowatt_hour": price_kwh,
"charger_location": location,
"charger_available": True,
"charger_bonus": bonus,
}, CHARGING_MODEL)
def __init__(self, *args, **kwargs):
super(ChargerAgent, self).__init__(*args, **kwargs)
self._entity = Entity.from_hex(sys.argv[5])
self._address = Address(self._entity)
#print(self._address)
#h = self._address.to_hex()
#print(h)
#print(Address(binascii.unhexlify(h)))
# with open("./full_contract.etch", "r") as fb:
# self._source = fb.read()
# self.prepare_contract()
def prepare_contract(self):
# Setting API up
self._api = LedgerApi('ledger', 8000)
# Need funds to deploy contract
self._api.sync(self._api.tokens.wealth(self._entity, 5000000))
# Create contract
self._contract = SmartContract(self._source)
# Deploy contract
self._api.sync(
self._api.contracts.create(self._entity, self._contract, 2456766))
def on_cfp(self, msg_id: int, dialogue_id: int, origin: str, target: int,
query: CFP_TYPES):
"""Send a simple Propose to the sender of the CFP."""
print("[{0}]: Received CFP from {1}".format(self.public_key, origin))
# prepare the proposal with a given price.
proposal = Description({
"price_kilowatt_hour": self.price_kwh,
"charger_location": self.location,
'charger_bonus': self.bonus
})
print("[{}]: Sending propose at price: {} location {},{}".format(
self.public_key, self.price_kwh, self.location.latitude,
self.location.longitude))
self.send_propose(msg_id + 1, dialogue_id, origin, target + 1,
[proposal])
def on_accept(self, msg_id: int, dialogue_id: int, origin: str,
target: int):
"""Once we received an Accept, send the requested data."""
print("[{0}]: Received accept from {1}.".format(
self.public_key, origin))
# Preparing contract
# PLACE HOLDER TO PREPARE AND SIGN TRANSACTION
contract = {
"address": self._address.to_hex(),
"value": self.price_kwh,
"bonus": self.bonus
}
# Sending contract
encoded_data = json.dumps(contract).encode("utf-8")
print("[{0}]: Sending contract to {1}".format(self.public_key, origin))
self.send_message(0, dialogue_id, origin, encoded_data)
def on_decline(self, msg_id: int, dialogue_id: int, origin: str,
target: int):
"""Once we received an Decline, send the requested data."""
print("[{0}]: Received decline from {1}.".format(
self.public_key, origin))
