def main(source, name):
# Create keypair for the contract owner
provider1 = Entity()
address1 = Address(provider1)
provider2 = Entity()
address2 = Address(provider2)
scooter1 = Entity()
scooter_address1 = Address(scooter1)
# Setting API up
api = LedgerApi('127.0.0.1', 8100)
# Need funds to deploy contract
api.sync(api.tokens.wealth(provider1, 59000000))
# Create contract
contract = SmartContract(source)
# Deploy contract
api.sync(api.contracts.create(provider1, contract, 2456766))
if name.endswith("contract.etch"):
contract.action(api, 'addProvider', 2456766, [provider2, provider1], address2, address1)
contract.action(api, 'addScooter', 2456766, [provider2, provider1], address2, address1, 22, 1)
print("Wait for txs to be mined ...")
time.sleep(5)
# Printing balance of the creating address1
print(contract.query(api, 'getFleetSize'), " scooter in fleet")
def main():
# create our first private key pair
entity1 = Entity()
address1 = Address(entity1)
# create a second private key pair
entity2 = Entity()
address2 = Address(entity2)
# build the ledger API
api = LedgerApi('127.0.0.1', 8100)
# create wealth so that we have the funds to be able to create contracts on the network
api.sync(api.tokens.wealth(entity1, 10000))
# create the smart contract
contract = SmartContract(CONTRACT_TEXT)
# deploy the contract to the network
api.sync(api.contracts.create(entity1, contract, 2000))
# print the current status of all the tokens
print('-- BEFORE --')
print_address_balances(api, contract, [address1, address2])
# transfer from one to the other using our newly deployed contract
tok_transfer_amount = 200
fet_tx_fee = 40
api.sync(
contract.action(api, 'transfer', fet_tx_fee, [entity1], address1,
address2, tok_transfer_amount))
print('-- BEFORE --')
print_address_balances(api, contract, [address1, address2])
def main(source, name):
# Create keypair for the contract owner
charge_provider1 = Entity()
charge_address1 = Address(charge_provider1)
charge_provider2 = Entity()
charge_address2 = Address(charge_provider2)
parking_provider1 = Entity()
parking_address1 = Address(parking_provider1)
parking_provider2 = Entity()
parking_address2 = Address(parking_provider2)
charge1 = Entity()
charge_station_address1 = Address(charge1)
parking1 = Entity()
parking_place_address1 = Address(parking1)
# Setting API up
api = LedgerApi('127.0.0.1', 8100)
# Need funds to deploy contract
api.sync(api.tokens.wealth(charge_provider1, 59000000))
# Create contract
contract = SmartContract(source)
# Deploy contract
api.sync(api.contracts.create(charge_provider1, contract, 2456766))
if name.endswith("contract.etch"):
contract.action(api, 'addChargeProvider', 2456766,
[charge_provider2, charge_provider1], charge_address2,
charge_address1)
contract.action(api, 'addCharge', 2456766,
[charge_provider2, charge_provider1], charge_address2,
charge_address1, 22, 1)
print("Wait for charge txs to be mined ...")
time.sleep(5)
# Printing balance of the creating address1
print(contract.query(api, 'getChargeFleetSize'), " charge in fleet")
contract.action(api, 'addParkingProvider', 2456766,
[parking_provider2, parking_provider1],
parking_address2, parking_address1)
contract.action(api, 'addParking', 2456766,
[parking_provider2, parking_provider1],
parking_address2, parking_address1, 22, 1)
print("Wait for parking txs to be mined ...")
time.sleep(5)
# Printing balance of the creating address1
print(contract.query(api, 'getParkingFleetSize'), " parking in fleet")
def main():
# create our first private key pair
entity1 = Entity()
# build the ledger API
api = LedgerApi('127.0.0.1', 8100)
# create wealth so that we have the funds to be able to create contracts on the network
api.sync(api.tokens.wealth(entity1, 1000000000000000))
# create the smart contract
contract = SmartContract(CONTRACT_TEXT)
# deploy the contract to the network
api.sync(api.contracts.create(entity1, contract, 1000000000))
# update the graph with a new model
fet_tx_fee = 100000000
with open(GRAPH_FILE_NAME, mode='rb') as file:
print("reading in graph file...")
rfile = file.read()
print("encoding to base64 string...")
b64obj = base64.b64encode(rfile)
obj = b64obj.decode()
print("updating smart contract graph...")
api.sync(
contract.action(api, 'updateGraph', fet_tx_fee, [entity1], obj))
print("finished updating smart contract graph")
# set one real example input data set
fet_tx_fee = 100000000
api.sync(
contract.action(api, 'setHistorics', fet_tx_fee, [entity1],
EXAMPLE_INPUT_HISTORICS))
current_historics = contract.query(api, 'getHistorics')
print("current historics: " + current_historics)
# make a prediction
current_prediction = contract.query(api, 'makePrediction')
print("current prediction: " + current_prediction)
def main(source):
# Create keypair for the contract owner
entity = Entity()
address = Address(entity)
# Setting API up
api = LedgerApi('localhost', 8000)
# Need funds to deploy contract
api.sync(api.tokens.wealth(entity, 100000))
# Create contract
contract = SmartContract(source)
# Deploy contract
api.sync(api.contracts.create(entity, contract, 100000))
# Printing message
contract.action(api, 'add', 100, [entity], "first")
time.sleep(5)
print(contract.query(api, 'getSize'))
def run(options):
entity1 = Entity()
# build the ledger API
api = LedgerApi(options['host'], options['port'])
# create wealth so that we have the funds to be able to create contracts on the network
api.sync(api.tokens.wealth(entity1, 100000))
# create the smart contract
contract = SmartContract(CONTRACT_TEXT)
# deploy the contract to the network
api.sync(api.contracts.create(entity1, contract, 2000))
api.sync(contract.action(api, 'set_block_number_state', 400, [entity1]))
assert contract.query(api, 'query_block_number_state') > 0
class ScooterAgent(OEFAgent):
"""Class that implements the behaviour of the scooter agent."""
def __init__(self, *args, n_providers=3, scooter_per_provider=5, **kwargs):
super(ScooterAgent, self).__init__(*args, **kwargs)
self._api = LedgerApi('127.0.0.1', 8100)
self._entity = Entity()
self._api.sync(self._api.tokens.wealth(self._entity, 5000000))
self._address = Address(self._entity)
with open("../02_full_contract.etch", "r") as fb:
self._source = fb.read()
# Create contract
self._contract = SmartContract(self._source)
# Deploy contract
self._api.sync(
self._api.contracts.create(self._entity, self._contract, 2456766))
self._loop = asyncio.get_event_loop()
self.providers = []
self.scooters = []
for i in range(n_providers):
self.providers.append(Entity())
scooters = [Entity() for j in range(scooter_per_provider)]
self.scooters.extend(scooters)
self._contract.action(self._api, 'addProvider', 2456766,
[self._entity, self.providers[0]],
Address(self.providers[0]), self._address)
self._contract.action(self._api, 'addScooter', 2456766,
[self.providers[0]], Address(self.scooters[0]),
Address(self.providers[0]), 22, 23, 100, 1, 15)
print(Address(self.scooters[0]))
def on_search_result(self, search_id: int, agents: List[str]):
if len(agents) == 0:
print("[{}]: No agent found. Stopping...".format(self.public_key))
self.stop()
return
print("[{0}]: Agent found: {1}".format(self.public_key, agents))
for agent in agents:
print("[{0}]: Sending to agent {1}".format(self.public_key, agent))
# we send a 'None' query, meaning "give me all the resources you can propose."
query = None
self.send_cfp(1, 0, agent, 0, query)
self.saved_proposals = []
self._loop.call_later(3, self.decide_on_proposals)
def on_propose(self, msg_id: int, dialogue_id: int, origin: str,
target: int, proposals: PROPOSE_TYPES):
print("[{0}]: Received propose from agent {1}".format(
self.public_key, origin))
for i, p in enumerate(proposals):
print("[{0}]: Proposal {1}: {2}".format(self.public_key, i,
p.values))
self.saved_proposals.append(
((msg_id, dialogue_id, origin, msg_id + 1), p))
# self.send_accept(msg_id, dialogue_id, origin, msg_id + 1)
def decide_on_proposals(self):
print('Got proposals:', self.saved_proposals)
proposals = [{
'address': p[1].values['charger_address'],
'longitude': p[1].values['longitude'],
'latitude': p[1].values['latitude'],
'max_count': p[1].values['max_count'],
'scheduler': json.loads(p[1].values['scheduler']),
'args': p[0]
} for p in self.saved_proposals]
trajectory = [(1, 1), (3, 4), (6, 4), (7, 6), (8, 8)]
best_proposal, best_slot = find_best(trajectory, proposals, 100,
0.00001, 1, 0.1)
dict = {
'address': str(Address(self.scooters[0])),
'startTime': best_slot[0],
'endTime': best_slot[1]
}
encoded_data = json.dumps(dict).encode("utf-8")
print("[{0}]: Sending contract to {1}".format(
self.public_key, best_proposal['args'][2]))
self.send_message(0, best_proposal['args'][1],
best_proposal['args'][2], encoded_data)
time.sleep(5)
self.send_accept(best_proposal['args'][0], best_proposal['args'][1],
best_proposal['args'][2], best_proposal['args'][3])
from fetchai.ledger.api import LedgerApi
from fetchai.ledger.contract import SmartContract
from fetchai.ledger.crypto import Entity, Address
import time
contract_owner = Entity.from_hex('c25ace8a7a485b396f30e4a0332d0d18fd2e462b3f1404f85a1b7bcac4b4b19d')
contract_owner_address = Address(contract_owner) # atsREugsanXS828FnTvmLM9vCkBsWnDgushDH9YjEgsdBuRGv
with open("./chrg_token.etch", "r") as fb:
contract_source = fb.read()
api = LedgerApi('127.0.0.1', 8000)
api.sync(api.tokens.wealth(contract_owner, 5000000))
contract = SmartContract(contract_source)
api.sync(api.contracts.create(contract_owner, contract, 2456766))
time.sleep(10)
print('Deployed contract address:', Address(contract.digest))
riders = ['WfQDBasLx396CCxWvUoa4BmEsStPNRUi9iA45zu6k3eeaUMGs',
'pUkSDemAkhTob8UiqmRoRbjBW2rwTdnDR68thfToZwYrYHdGr',
'2GNnBTmnkUwDeJfuig3hxN77gteXixw45mhita58MzZyMoqQ9u',
'fzoGmzeHN3EkvtbgTNYxuP1Zokpn7AZy5eiSSdP9Rw7KwitPW',
'2R6SJK7hoiVTQbMVQDMpB86NaHX9CAXBb5hmH5kyTHCndsNSfe']
for rider in riders:
api.sync(contract.action(api, 'transfer', 100, [contract_owner], contract_owner_address, Address(rider), 100000))
print('my balance:', contract.query(api, 'balanceOf', owner=contract_owner_address))
class ChargerAgent(OEFAgent):
"""Class that implements the behaviour of the charger agent."""
charger_description = Description({
"price_per_energy_percent": True,
}, JOURNEY_MODEL)
def __init__(self, *args, latitude=59.54, longitude=30.31, **kwargs):
super(ChargerAgent, self).__init__(*args, **kwargs)
self._entity = Entity()
self._address = Address(self._entity)
self.latitude = latitude
self.longitude = longitude
with open("../02_full_contract.etch", "r") as fb:
self._source = fb.read()
self.prepare_contract(22)
def prepare_contract(self, price):
# Setting API up
self._api = LedgerApi('127.0.0.1', 8100)
self.scheduler = {}
self.price = price
self.rate = 22
self.max_count = 10
# 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))
self.chargers = [
Entity(),
]
self._contract.action(self._api, 'addCharger', 2456766, [self._entity],
Address(self.chargers[0]),
int(self.latitude * 1000),
int(self.longitude * 1000), self.price,
self.rate, self.max_count)
#query = self._contract.query(api=self._api, name='getSlotInfo', charger=Address(self.chargers[0]))
#print(query)
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))
price = self.price
timeArr = []
for key in self.scheduler.keys():
timeArr.append(self.scheduler[key])
# prepare the proposal with a given price.
proposal = Description({
"price_per_energy_percent":
price,
"digest":
str(self._contract),
"longitude":
self.longitude,
"latitude":
self.latitude,
"scheduler":
json.dumps(timeArr),
"rate":
self.rate,
"max_count":
self.max_count,
"charger_address":
str(Address(self.chargers[0]))
})
print("[{}]: Sending propose at price: {}".format(
self.public_key, price))
self.send_propose(msg_id + 1, dialogue_id, origin, target + 1,
[proposal])
def on_message(self, msg_id: int, dialogue_id: int, origin: str,
content: bytes):
"""Extract and print data from incoming (simple) messages."""
# PLACE HOLDER TO SIGN AND SUBMIT TRANSACTION
json_bla = json.loads(content.decode("utf-8"))
print("[{0}]: Received contract from {1}".format(
self.public_key, origin))
print("READY TO SUBMIT: ", json_bla['address'])
self.scooterToBook = Address(json_bla['address'])
self.scooter_start_time = json_bla['startTime']
self.scooter_end_time = json_bla['endTime']
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
print(self.scooterToBook)
print(Address(self.scooterToBook))
print("trying to BOOK /////")
#tx_digest = self._contract.action(self._api, 'book', 2456766, [self.chargers[0]], Address(self.chargers[0]),
# self.scooterToBook, self.scooter_start_time, self.scooter_end_time)
time.sleep(3)
#print("Failed tx:", tx_digest)
#tx_status = self._api.tx.status(tx_digest)
#if tx_status == "Executed":
# self.scheduler[self.scooterToBook] = [self.scooter_start_time, self.scooter_end_time]
# encoded_data = json.dumps(tx_digest).encode("utf-8")
# print("[{0}]: Sending contract to {1}".format(self.public_key, origin))
# self.send_message(0, dialogue_id, origin, encoded_data)
self.scheduler[self.scooterToBook] = [
self.scooter_start_time, self.scooter_end_time
]
class ChargerAgent(OEFAgent):
"""Class that implements the behaviour of the charger agent."""
charger_description = Description({
"price_per_energy_percent": True,
}, JOURNEY_MODEL)
def __init__(self, *args, **kwargs):
super(ChargerAgent, self).__init__(*args, **kwargs)
self._entity = Entity()
self._address = Address(self._entity)
with open("../03_full_contract.etch", "r") as fb:
self._source = fb.read()
self.prepare_contract(22)
def prepare_contract(self, price):
# Setting API up
self._api = LedgerApi('127.0.0.1', 8100)
self.longitude = 10
self.latitude = 10
self.scheduler = {}
self.price = price
self.rate = 22
self.max_count = 10
# 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))
self.chargers = [
Entity(),
]
#self._contract.action(self._api, 'test', 2456755, [self._entity], Address(self.chargers[0]), Address(self.chargers[0]))
self._contract.action(self._api, 'addCharger', 2456766, [self._entity],
Address(self.chargers[0]), self.longitude,
self.latitude, self.price, self.rate,
self.max_count)
scooter = Entity()
scooter_start_time = 150000
scooter_end_time = 151000
tx_digest = self._contract.action(self._api, 'book', 2456766,
[self._entity],
Address(self.chargers[0]),
Address(scooter), scooter_start_time,
scooter_end_time)
time.sleep(3)
tx_status = self._api.tx.status(tx_digest)
if tx_status == "Executed":
self.scheduler[str(
Address(scooter))] = [scooter_start_time, scooter_end_time]
query = self._contract.query(api=self._api,
name='getSlotInfo',
charger=Address(self.chargers[0]))
print(query)
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))
price = self.price
# prepare the proposal with a given price.
proposal = Description({
"price_per_energy_percent": price,
"digest": str(self._contract.digest),
"longitude": self.longitude,
"latitude": self.latitude,
"scheduler": json.dumps(self.scheduler),
"rate": self.rate,
"max_count": self.max_count
})
print("[{}]: Sending propose at price: {}".format(
self.public_key, price))
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
print(self._contract)
contract = {
"digest": str(self._contract.digest),
"owner": str(self._contract.owner),
"chargers": [str(Address(s)) for s in self.chargers]
}
# 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)
class ScooterAgent(OEFAgent):
"""Class that implements the behaviour of the scooter agent."""
def __init__(self, *args, start=(30.28, 59.91), finish=(30.34, 59.97), n_points=3, charge=0.6, **kwargs):
super(ScooterAgent, self).__init__(*args, **kwargs)
self._api = LedgerApi('127.0.0.1', 8100)
self._entity = Entity()
self.speed = 0.0005
self._api.sync(self._api.tokens.wealth(self._entity, 5000000))
self._address = Address(self._entity)
with open("../02_full_contract.etch", "r") as fb:
self._source = fb.read()
# Create contract
self._contract = SmartContract(self._source)
# Deploy contract
self._api.sync(self._api.contracts.create(self._entity, self._contract, 2456766))
with open('contract.txt','r') as ff:
self.digest = ff.readline().split('\n')[0]
self.owner = ff.readline()
self._loop = asyncio.get_event_loop()
self.provider = Entity()
self.scooter = Entity()
self.path = make_path(start, finish, n_points, 0.01)
self.charge = charge
self._contract.action(self._api, 'addProvider', 2456, [self._entity, self.provider],
Address(self.provider), self._address)
self._contract.action(self._api, 'addScooter', 2456, [self.provider], Address(self.scooter),
Address(self.provider), int(start[1]*1000), int(start[0]*1000), 100, 1, 15)
def on_search_result(self, search_id: int, agents: List[str]):
if len(agents) == 0:
print("[{}]: No agent found. Stopping...".format(self.public_key))
self.stop()
return
print("[{0}]: Agent found: {1}".format(self.public_key, agents))
for agent in agents:
print("[{0}]: Sending to agent {1}".format(self.public_key, agent))
# we send a 'None' query, meaning "give me all the resources you can propose."
query = None
self.send_cfp(1, 0, agent, 0, query)
self.saved_proposals = []
self._loop.call_later(3, self.decide_on_proposals)
def on_propose(self, msg_id: int, dialogue_id: int, origin: str, target: int, proposals: PROPOSE_TYPES):
print("[{0}]: Received propose from agent {1}".format(self.public_key, origin))
for i, p in enumerate(proposals):
print("[{0}]: Proposal {1}: {2}".format(self.public_key, i, p.values))
self.saved_proposals.append(((msg_id, dialogue_id, origin, msg_id + 1), p))
# self.send_accept(msg_id, dialogue_id, origin, msg_id + 1)
def decide_on_proposals(self):
print('Got proposals:', self.saved_proposals)
proposals = [{
'address': p[1].values['charger_address'],
'longitude': p[1].values['longitude'],
'latitude': p[1].values['latitude'],
'max_count': p[1].values['max_count'],
'rate': p[1].values['rate'],
'scheduler': json.loads(p[1].values['scheduler']),
'args': p[0]
} for p in self.saved_proposals]
best_proposal, best_slot, new_path = find_best(self.path, proposals, self.charge, 0.00001, self.speed)
dict = {
'address': str(Address(self.scooter)), 'startTime': best_slot[0],
'endTime': best_slot[1]
}
encoded_data = json.dumps(dict).encode("utf-8")
print("[{0}]: Sending contract to {1}".format(self.public_key, best_proposal['args'][2]))
self.send_message(0, best_proposal['args'][1], best_proposal['args'][2], encoded_data)
time.sleep(5)
self.send_accept(best_proposal['args'][0], best_proposal['args'][1], best_proposal['args'][2],
best_proposal['args'][3])
self.path = new_path
self._loop.create_task(self.go())
async def go(self):
start_time = time.time()
while True:
await asyncio.sleep(1)
delte_time = time.time() - start_time
walked_distance = self.speed*delte_time
current_pos = 0
new_position = None
for i in range(len(self.path) - 1):
d = dist(self.path[i], self.path[i+1])
if current_pos + d >= walked_distance:
alpha = (walked_distance - current_pos) / d
new_position = in_between(self.path[i], self.path[i+1], alpha)
print(self._address, 'Path', self.path)
print(self._address, 'Next point', self.path[i+1])
break
else:
current_pos += d
if new_position is None:
raise Exception("That's all, folks!")
self._contract.action(self._api, 'scooterUpdate', 2456, [self.provider],
Address(self.scooter), int(new_position[1]*1000), int(new_position[0]*1000), int(self.charge*100))