def test_UInt256_comparison(self):
u1 = UInt256("100")
u2 = UInt256("101")
u3 = UInt256("101")
# test comparisons with UInt256
self.assertGreater(u2, u1)
self.assertLess(u1, u2)
self.assertGreaterEqual(u2, u1)
self.assertGreaterEqual(u3, u1)
self.assertGreaterEqual(u3, u2)
self.assertGreaterEqual(u2, u3)
self.assertLessEqual(u1, u2)
self.assertLessEqual(u1, u3)
self.assertLessEqual(u3, u2)
self.assertLessEqual(u2, u3)
self.assertEqual(u2, u3)
# comparison with int
self.assertGreater(u2, 100)
self.assertLess(u1, 101)
self.assertGreaterEqual(u2, 100)
self.assertGreaterEqual(u3, 100)
self.assertGreaterEqual(u3, 101)
self.assertLessEqual(u1, 101)
self.assertLessEqual(u3, 101)
self.assertEqual(u1, 100)
def dict2bid(m):
msg = Offer()
msg.model = Multihash()
msg.model.multihash = m['model']
msg.objective = Multihash()
msg.objective.multihash = m['objective']
msg.token = Address()
msg.token.address = m['token']
msg.cost = UInt256()
msg.cost.uint256 = str(m['cost'])
msg.validator = Address()
msg.validator.address = m['validator']
msg.lighthouse = Address()
msg.lighthouse.address = m['lighthouse']
msg.lighthouseFee = UInt256()
msg.lighthouseFee.uint256 = str(m['lighthouseFee'])
msg.deadline = UInt256()
msg.deadline.uint256 = str(m['deadline'])
msg.sender = Address()
msg.sender.address = m['sender']
msg.signature = unhexlify(m['signature'].encode('utf-8'))
return msg
def test_UInt256_arithmetic(self):
u1 = UInt256("100")
u2 = UInt256("101")
u1 += 1
self.assertEqual(u1, u2)
u1 = UInt256("100")
u3 = u1 + 1
self.assertEqual(u3, u2)
u3 = u1 + UInt256("1")
self.assertEqual(u3, u2)
def create_demand(fields: dict) -> Demand:
rospy.loginfo("Creating an demand...")
demand = Demand()
demand.model = Multihash(fields["model"]["multihash"])
demand.objective = Multihash(fields["objective"]["multihash"])
demand.token = Address(fields["token"]["address"])
demand.cost = UInt256(fields["cost"]["uint256"])
demand.lighthouse = Address(fields["lighthouse"]["address"])
demand.validator = Address(fields["validator"]["address"])
demand.validatorFee = UInt256(fields["validatorFee"]["uint256"])
demand.deadline = UInt256(fields["deadline"]["uint256"])
rospy.loginfo(demand)
return demand
def create_offer(fields: dict) -> Offer:
rospy.loginfo("Creating an offer...")
offer = Offer()
offer.model = Multihash(fields["model"]["multihash"])
offer.objective = Multihash(fields["objective"]["multihash"])
offer.token = Address(fields["token"]["address"])
offer.cost = UInt256(fields["cost"]["uint256"])
offer.lighthouse = Address(fields["lighthouse"]["address"])
offer.validator = Address(fields["validator"]["address"])
offer.lighthouseFee = UInt256(fields["lighthouseFee"]["uint256"])
offer.deadline = UInt256(fields["deadline"]["uint256"])
rospy.loginfo(offer)
return offer
def make_offer(self, demand: Demand):
rospy.loginfo('Making offer...')
offer = Offer()
offer.model = Multihash(self.MODEL)
offer.objective = demand.objective
offer.token = demand.token
offer.cost = demand.cost
offer.lighthouse = demand.lighthouse
offer.validator = demand.validator
offer.lighthouseFee = UInt256("0")
offer.deadline = UInt256()
offer.deadline.uint256 = self.make_deadline()
self.signing_offer.publish(offer)
rospy.loginfo(offer)
def make_demand(objective: str, cost: int) -> Demand:
rospy.loginfo('Making demand...')
demand = Demand()
demand.model = Multihash(MODEL)
demand.objective = Multihash(objective)
demand.token = Address(TOKEN)
demand.cost = UInt256(str(cost))
demand.lighthouse = Address(LIGHTHOUSE)
demand.validator = Address(VALIDATOR)
demand.validatorFee = UInt256('0')
demand.deadline = UInt256()
demand.deadline.uint256 = make_deadline()
demand.nonce = UInt256('0')
rospy.loginfo(demand)
return demand
def make_offer(self, incoming):
rospy.loginfo('Making offer...')
offer = Offer()
offer.model = incoming.model
offer.objective = incoming.objective
offer.token = incoming.token
offer.cost = incoming.cost
offer.lighthouse = Address()
offer.lighthouse.address = rospy.get_param('~lighthouse')
offer.validator = incoming.validator
offer.lighthouseFee = UInt256()
offer.lighthouseFee.uint256 = '0'
offer.deadline = UInt256()
offer.deadline.uint256 = self.make_deadline()
self.signing_offer.publish(offer)
rospy.loginfo(offer)
def getValidAddedOrderFeedback():
f = AddedOrderFeedback()
f.order = unhexlify(validAddedOrderFeedbackDict['order'].encode('utf-8'))
f.accepted = UInt256()
f.accepted.uint256 = str(validAddedOrderFeedbackDict['accepted'])
f.signature = unhexlify(validAddedOrderFeedbackDict['signature'].encode('utf-8'))
return f
def get_nonce_by_address(address):
try:
nonce = get_initialized_factory().call().nonceOf(address.address)
return UInt256(nonce)
except Exception as e:
rospy.logerr("Failed to get nonce by address %s with exception: %s", address.address, e)
try:
self.__factory_initialization_lock.acquire()
self.factory = None
finally:
self.__factory_initialization_lock.release()
def send_offer(self, demand: Demand, price: UInt256):
offer = Offer()
offer.model = Multihash(self.MODEL)
offer.objective = demand.objective
offer.token = Address(self.TOKEN)
offer.cost = price
offer.lighthouse = demand.lighthouse
offer.validator = demand.validator
offer.lighthouseFee = UInt256("0")
offer.deadline = self.make_deadline()
self.signing_offer.publish(offer)
rospy.loginfo(offer)
def getValidAsk():
a = Demand()
a.model = Multihash()
a.model.multihash = validAskDict['model']
a.objective = Multihash()
a.objective.multihash = validAskDict['objective']
a.token = Address()
a.token.address = validAskDict['token']
a.cost = UInt256()
a.cost.uint256 = str(validAskDict['cost'])
a.lighthouse = Address()
a.lighthouse.address = validAskDict['lighthouse']
a.validator = Address()
a.validator.address = validAskDict['validator']
a.validatorFee = UInt256()
a.validatorFee.uint256 = str(validAskDict['validatorFee'])
a.deadline = UInt256()
a.deadline.uint256 = str(validAskDict['deadline'])
a.sender = Address()
a.sender.address = validAskDict['sender']
a.signature = unhexlify(validAskDict['signature'].encode('utf-8'))
return a
def getValidBid():
b = Offer()
b.model = Multihash()
b.model.multihash = validBidDict['model']
b.objective = Multihash()
b.objective.multihash = validBidDict['objective']
b.token = Address()
b.token.address = validBidDict['token']
b.cost = UInt256()
b.cost.uint256 = str(validBidDict['cost'])
b.validator = Address()
b.validator.address = validBidDict['validator']
b.lighthouse = Address()
b.lighthouse.address = validBidDict['lighthouse']
b.lighthouseFee = UInt256()
b.lighthouseFee.uint256 = str(validBidDict['lighthouseFee'])
b.deadline = UInt256()
b.deadline.uint256 = str(validBidDict['deadline'])
b.sender = Address()
b.sender.address = validAskDict['sender']
b.signature = unhexlify(validBidDict['signature'].encode('utf-8'))
return b
def calc_price(self, demand: Demand) -> UInt256:
objective = IpfsRosBag(multihash=demand.objective)
stl_address = objective.messages["/file"].data
stl_path = self.__ipfs_download(stl_address)
name = self.octopi.upload_file(stl_path)
gcode_analysis = self.octopi.get_gcode_analysis(name)
estimated_time = int(gcode_analysis["estimatedPrintTime"])
production_cost = self.__calc_production_cost(estimated_time)
material_cost = 0 # TODO
total_cost_tokens = production_cost + material_cost
return UInt256(str(total_cost_tokens))
def test_offer_hash(self):
test_nonce_value = UInt256("0")
rospy.logwarn(
"test_offer_hash: %s",
hexlify(
robonomicsMessageUtils.offer_hash(messageValidator.dict2bid(
testMessages.validBidDict),
nonce=test_nonce_value)))
self.assertEqual(
bytearray.fromhex(
'50f82ac8c4905d14a65632915fa21cf3726c720fd9650d3b5ac134ba2ebb9da2'
),
robonomicsMessageUtils.offer_hash(messageValidator.dict2bid(
testMessages.validBidDict),
nonce=test_nonce_value))
def make_demand(self, objective: Multihash, cost: UInt256):
rospy.loginfo('Making demand...')
demand = Demand()
demand.model = Multihash()
demand.model.multihash = self.MODEL
demand.objective = objective
demand.token = Address()
demand.token.address = self.TOKEN
demand.cost = cost
demand.lighthouse = Address()
demand.lighthouse.address = self.LIGHTHOUSE
demand.validator = Address()
demand.validator.address = '0x0000000000000000000000000000000000000000'
demand.validatorFee = UInt256()
demand.validatorFee.uint256 = '0'
demand.deadline = self.get_deadline()
self.signing_demand.publish(demand)
rospy.loginfo(demand)
def sign_demand(msg):
msg.sender = Address(self.__account.address)
if messageValidator.isDemandFieldsCorrect(msg):
msg = robonomicsMessageUtils.convert_msg_ens_names_to_addresses(
msg, web3=self.web3)
current_nonce = get_nonce_by_address(msg.sender)
message_hash = robonomicsMessageUtils.demand_hash(
msg, current_nonce)
signed_hash = self.__account.signHash(
defunct_hash_message(message_hash))
msg.signature = signed_hash.signature
msg.nonce = UInt256(uint256=str(current_nonce.uint256))
rospy.loginfo('askhash: %s signature: %s',
binascii.hexlify(message_hash),
binascii.hexlify(msg.signature))
self.signed_demand.publish(msg)
else:
rospy.logerr(
"Signing demand error: msg %s is not valid Demand message",
msg)
def make_deadline(self) -> UInt256:
lifetime = int(rospy.get_param('~order_lifetime'))
deadline = rospy.ServiceProxy('/eth/current_block', BlockNumber)().number + lifetime
return UInt256(str(deadline))
def test_UInt256_default_value(self):
u = UInt256()
print(u)
self.assertEqual(0, int(u.uint256))
def __init__(self):
rospy.init_node('blockchainization_agent')
self.model = rospy.get_param('~model')
self.token = rospy.get_param('~token')
self.bid_lifetime = rospy.get_param('~bid_lifetime')
self._web3 = Web3(HTTPProvider(rospy.get_param('~web3_http_provider')))
rospy.loginfo('Connecting to ERC20 node...')
rospy.wait_for_service('accounts')
self.accounts = rospy.ServiceProxy('accounts',
Accounts)(AccountsRequest())
rospy.loginfo(str(self.accounts)) # agent's ethereum addresses
if rospy.get_param('~approve', 'no') == 'yes':
self.liability_factory = rospy.get_param('~liability_factory')
rospy.loginfo('Making approvement to liabilities factory %s.',
self.liability_factory)
rospy.wait_for_service('approve')
msg = ApproveRequest(
spender=Address(address=self.liability_factory),
value=UInt256(
uint256=rospy.get_param('~approve_value', "10000")))
tx = rospy.ServiceProxy('approve', Approve)(msg)
rospy.loginfo('Approved on tx: %s.', tx)
else:
rospy.loginfo('Launching without approve on liabilities factory.')
self._signing_bid = rospy.Publisher('liability/infochan/signing/bid',
Bid,
queue_size=128)
def on_incoming_ask(incoming_ask):
rospy.loginfo('Incoming ask: ' + str(incoming_ask))
if incoming_ask.model == self.model and incoming_ask.token == self.token:
rospy.loginfo('For my model and token.')
self.make_bid(incoming_ask)
else:
rospy.loginfo('Not fits, skip.')
rospy.Subscriber('liability/infochan/incoming/ask', Ask,
on_incoming_ask)
rospy.Subscriber('/agent/objective/duration', Duration,
self.start_process)
rospy.loginfo('Connecting to observer node...')
rospy.wait_for_service('/observer/journals')
self.get_journals = rospy.ServiceProxy('/observer/journals',
GetJournals)
self.result_topics = dict()
self.result_topics['journals'] = rospy.Publisher('~result/journals',
String,
queue_size=1000)
self.result_topics['sha256'] = rospy.Publisher('~result/sha256',
String,
queue_size=1000)
rospy.loginfo('Connecting to liability node...')
self.finish_allowed = False
rospy.Service('~allow_finish', EmptySrv, self.allow_finish)
rospy.wait_for_service('liability/finish')
self._finish_liability = rospy.ServiceProxy('liability/finish',
EmptySrv)
rospy.loginfo('Node ' + rospy.get_name() + ' started.')
def get_deadline(self) -> UInt256:
lifetime = int(200)
deadline = rospy.ServiceProxy('/eth/current_block',
BlockNumber)().number + lifetime
return UInt256(str(deadline))
# ROS
import rospy
# Robonomics communication
from robonomics_msgs.msg import Offer, Demand
from ethereum_common.msg import Address, UInt256
from ethereum_common.srv import Accounts, BlockNumber, Approve, ApproveRequest
from ipfs_common.msg import Multihash
if __name__ == '__main__':
rospy.init_node('demand_publisher')
rospy.loginfo('Launching...')
rospy.wait_for_service('/eth/current_block')
rospy.wait_for_service('/eth/accounts')
rospy.wait_for_service('/eth/approve')
accounts = rospy.ServiceProxy('/eth/accounts', Accounts)()
rospy.loginfo(str(accounts)) # AIRA ethereum addresses
# Building the request. Specify spender address (factory address) and amount of tokens
# our own address is derived from robonomics_comm settings
req = ApproveRequest(spender=Address(address='0x7e384AD1FE06747594a6102EE5b377b273DC1225'), value=UInt256(uint256='100000000000000000'))
# calling the service
approve = rospy.ServiceProxy('/eth/approve', Approve)(req)
rospy.loginfo(approve)
rospy.loginfo('Complete.')
def __init__(self):
rospy.init_node('agent')
self.model = rospy.get_param('~model')
self.token = rospy.get_param('~token')
self.bid_lifetime = rospy.get_param('~bid_lifetime')
self.web3 = Web3(HTTPProvider(rospy.get_param('~web3_http_provider')))
rospy.wait_for_service('accounts')
self.account = str(
rospy.ServiceProxy('accounts', Accounts)(AccountsRequest()))
rospy.loginfo('Account: ' + self.account)
if rospy.get_param('~approve') == 'y':
rospy.wait_for_service('approve')
factory = Address(
address="0x44CFBcb1Ca0d3df0925dDA3354E955d38d78ad6B")
msg = ApproveRequest(spender=factory, value=UInt256(uint256="1"))
tx = rospy.ServiceProxy('approve', Approve)(msg)
rospy.loginfo('Approved in: ' + str(tx))
self.signing_bid = rospy.Publisher('liability/infochan/signing/bid',
Bid,
queue_size=128)
def on_incoming_ask(incoming_ask):
rospy.loginfo('Incoming ask: ' + str(incoming_ask))
if incoming_ask.model == self.model and incoming_ask.token == self.token:
rospy.loginfo('For my model and token.')
self.make_bid(incoming_ask)
else:
rospy.loginfo('Not fits, skip.')
rospy.Subscriber('liability/infochan/incoming/ask', Ask,
on_incoming_ask)
def on_email(msg):
self.current_job['email'] = msg.data
rospy.loginfo('Email: ' + msg.data)
rospy.Subscriber('~objective/email', String, on_email)
def on_droneid(msg):
self.current_job['droneid'] = msg.data
self.current_job['success'] = True
rospy.loginfo('Drone ID: ' + msg.data)
rospy.Subscriber('~objective/droneid', String, on_droneid)
self.result_topics = dict()
self.result_topics['droneid'] = rospy.Publisher('~result/droneid',
String,
queue_size=10)
self.result_topics['email'] = rospy.Publisher('~result/email',
String,
queue_size=10)
self.result_topics['success'] = rospy.Publisher('~result/success',
Bool,
queue_size=10)
rospy.wait_for_service('liability/finish')
self.finish = rospy.ServiceProxy('liability/finish', Empty)
threading.Thread(target=self.process, daemon=True).start()
rospy.loginfo('Node ' + rospy.get_name() + ' started.')
# -*- coding: utf-8 -*-
import rosbag
from ethereum_common.msg import UInt256
emission_factor = 0.430 # gramm CO2 emitted by one Watt * hour of energy consumption
co2_on_vcu = 1_000_000 # gramm CO2 consumption represented by one VCU
bag = rosbag.Bag('./mybag.bag', 'w')
topic = '/packet_size'
msg = UInt256(uint256=str(co2_on_vcu/emission_factor))
try:
bag.write(topic, msg)
finally:
bag.close()
def strToUInt256(s):
return UInt256(str(s))
# Standart, System and Third Party
# ROS
import rospy
# Robonomics communication
from robonomics_msgs.msg import Offer, Demand
from ethereum_common.msg import Address, UInt256
from ethereum_common.srv import Accounts, BlockNumber, Approve, ApproveRequest
from ipfs_common.msg import Multihash
if __name__ == '__main__':
rospy.init_node('demand_publisher')
rospy.loginfo('Launching...')
rospy.wait_for_service('/eth/current_block')
rospy.wait_for_service('/eth/accounts')
rospy.wait_for_service('/eth/approve')
accounts = rospy.ServiceProxy('/eth/accounts', Accounts)()
rospy.loginfo(str(accounts)) # AIRA ethereum addresses
req = ApproveRequest(
spender=Address(address='0x7e384AD1FE06747594a6102EE5b377b273DC1225'),
value=UInt256(uint256='100000000000000000'))
approve = rospy.ServiceProxy('/eth/approve', Approve)(req)
rospy.loginfo(approve)
rospy.loginfo('Complete.')
deadline = str(
rospy.ServiceProxy('/eth/current_block', BlockNumber)().number +
int(lifetime))
rospy.loginfo('Making demand...')
# Demand message consists of the following fields
demand = Demand()
demand.model = Multihash()
demand.model.multihash = model
demand.objective = Multihash()
demand.objective.multihash = objective
demand.lighthouse = Address()
demand.lighthouse.address = '0xD40AC7F1e5401e03D00F5aeC1779D8e5Af4CF9f1'
demand.token = Address()
demand.token.address = token
demand.cost = UInt256()
demand.cost.uint256 = str(price)
demand.validatorFee = UInt256()
demand.validatorFee.uint256 = '0'
demand.validator = Address()
demand.validator.address = '0x0000000000000000000000000000000000000000'
demand.deadline = UInt256()
demand.deadline.uint256 = deadline
# We ask robonomics_comm to publish the demand message by publishing the message to the ros topic
signing_demand.publish(demand)
rospy.loginfo(demand)
rospy.loginfo('Complete.')