class Smartmeter():
'''A class define what each noeud can do in the consenus process'''
def __init__(self, me):
'''Initialisation some attributes'''
self.me = me # id of smart meter
self.users = 12 # number of smart meters in the network
# list_reputation = []
self.peers = 4 # number of peers (P% best nodes)
def get_list_from_bloc(self):
''' Get the reputation list from the last bloc in the blockchain '''
self.loop = asyncio.get_event_loop()
self.cli = Client(
net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', 'Admin')
self.cli.new_channel("firstchannel")
# first get the hash by calling 'query_info'
self.response = self.loop.run_until_complete(self.cli.query_info(
requestor=self.org1_admin,
channel_name='firstchannel',
peers=['peer0.org1.dz'],
decode=True
))
self.test_hash = self.response.currentBlockHash
self.response = self.loop.run_until_complete(self.cli.query_block_by_hash(
requestor=self.org1_admin,
channel_name='firstchannel',
peers=['peer0.org1.dz'],
block_hash=self.test_hash,
decode=True
))
self.List_rep_bloc_byte = \
self.response.get('data').get('data')[0].get('payload').get('data').get('actions')[0].get('payload').get(
'action').get(
'proposal_response_payload').get('extension').get('results').get('ns_rwset')[0].get('rwset').get(
'writes')[
0].get('value')
self.List_rep_bloc_str = self.List_rep_bloc_byte.decode("UTF-8") # convert byte to string
self.List_rep_bloc_dic = ast.literal_eval(self.List_rep_bloc_str) # convert dictionary string to dictionary
for self.k, self.v in self.List_rep_bloc_dic.items():
if self.k == 'Liste des reputations':
self.List_rep_bloc = ast.literal_eval(self.v) # convert list from str -> list
#str to int
#for self.i in range(0, len(self.List_rep_bloc)):
# self.List_rep_bloc[self.i] = int(self.List_rep_bloc[self.i])
return self.List_rep_bloc
def get_leader_and_p(self, reputation_list_bloc):
''' return the leader and the P% nodes based on the reputation list in the last bloc in the blockchain '''
self.list_reputation_slice = reputation_list_bloc[:]
self.leader_id = self.list_reputation_slice.index(
max(self.list_reputation_slice)) # 1er min id of node -leader- (men les P%) that has max reputation.
self.list_p = []
self.list_p.append(self.leader_id)
self.list_reputation_slice[self.leader_id] = 0
for i in range(0, self.peers - 1):
self.p_id = self.list_reputation_slice.index(max(
self.list_reputation_slice)) # p_1 i.e P%_1 - premier noeud du p% - (# 2eme min id of node (men les P%) that has max reputation.)
self.list_p.append(self.p_id) # list_p contient le id du leader et les id des P%.
self.list_reputation_slice[self.p_id] = 0
return self.list_p
def send_mesure_to_p(self, user, list_p):
'''Send data to all P% -normalment to all nodes-'''
self.loop = asyncio.get_event_loop()
self.cli = Client(
net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', user) # user = User1 or User2 ...
# Make the client know there is a channel in the network
self.cli.new_channel('secondchannel')
self.my_data = str(random.randint(2, 22)) + "kw" # data consumed by the SM
# my_reputation = str(list_reputation[Me]) #reputation of this SM. On envoi pas la reputation.
for i in range(0, self.peers):
'''Send data consumed by this SM
To all the peers in the network (P%)
car c eux qui font la verification du bloc
'''
self.args = ['SM' + str(list_p[i]), str(self.me), str(self.my_data)]
# The response should be true if succeed
self.response = self.loop.run_until_complete(
self.cli.chaincode_invoke(
requestor=self.org1_admin,
channel_name='secondchannel',
peers=['peer' + str(i) + '.org1.dz'],
args=self.args,
fcn='NewData',
cc_name='test_cc2',
transient_map=None, # optional, for private data
wait_for_event=True,
)
)
def retrieve_merkle_data(self, user, list_p):
self.ret = ""
self.loop = asyncio.get_event_loop()
self.cli = Client(net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', user) # user = User1 or User2 ...
# Make the client know there is a channel in the network
self.cli.new_channel('secondchannel')
self.list_pp = list_p[:]
self.list_data_retrived = []
#del self.list_pp[0]
if 1 == 1:
# self.list_data_retrived = []
self.args = ['SM' + str(self.list_pp[0])]
self.lead_me = '0' # l'id du peer qui est relier avec le leader
for i in range(0, 2):
# The response should be true if succeed
self.response = self.loop.run_until_complete(self.cli.chaincode_query(
requestor=self.org1_admin,
fcn="GetData",
channel_name='secondchannel',
peers=['peer' + self.lead_me + '.org1.dz'],
args=self.args,
cc_name='test_cc2'
))
self.response = json.loads(self.response)
self.list_data_retrived.append(self.response)
if self.me == self.list_pp[0] or self.me not in self.list_pp:
break
self.args = ['SM' + str(self.me)]
self.lead_me = str(self.list_pp.index(self.me)) # mon id in str to use it in cli.chaincode_query "peers"
#self.response = json.loads(self.response)
#
#self.list_data_retrived.append(self.response)
#
# print(self.list_data_retrived)
if self.me in self.list_pp and self.me != self.list_pp[0]:
if (self.list_data_retrived[0]['MerklerootDATA'] == self.list_data_retrived[1]['MerklerootDATA']):
self.ret = "true"
else:
self.ret = "false"
return (self.list_data_retrived[0]['Consommations'], self.list_data_retrived[0]['MerklerootDATA'], self.list_data_retrived[0]['Timestamp'], self.ret)
def send_vote_b1(self, user, list_p, result_comparaison):
''' every user from P% send votes about the validation of B1 (merkle root local comparer avec merkle root du leader)'''
self.list_pp = list_p[:]
del self.list_pp[0]
if self.me in self.list_pp:
if result_comparaison == "true":
self.vote = "accepter"
elif result_comparaison == "false":
self.vote = "rejeter"
self.loop = asyncio.get_event_loop()
self.cli = Client(net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', user) # user = User1 or User2 ...
# Make the client know there is a channel in the network
self.cli.new_channel('secondchannel')
self.args = ["B1_votes", str(self.me), self.vote]
# The response should be true if succeed
self.response = self.loop.run_until_complete(self.cli.chaincode_invoke(
requestor=self.org1_admin,
fcn='Votes',
channel_name='secondchannel',
peers=['peer0.org1.dz'], # the peer of the leader
args=self.args,
cc_name='test_cc2',
transient_map=None,
wait_for_event=True,
))
def retrieve_vote_b1(self, user):
'''Every user retrieve the list of validation of B1 that contain the votes of P%, and if B1 is valid or not'''
self.loop = asyncio.get_event_loop()
self.cli = Client(net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', user) # user = User1 or User2 ...
# Make the client know there is a channel in the network
self.cli.new_channel('secondchannel')
self.args = ['B1_votes']
# The response should be true if succeed
self.response = self.loop.run_until_complete(self.cli.chaincode_query(
requestor=self.org1_admin,
fcn='GetVotes',
channel_name='secondchannel',
peers=['peer0.org1.dz'],
args=self.args,
cc_name='test_cc2'
))
self.response = ast.literal_eval(self.response) # convert dictionary string to dictionary
return self.response["List Votes"] # return List
def maj_reputations(self, List, List_vote, leader):
'''mise a jour de la liste des reputations'''
self.validation_bloc = List_vote[-1]
self.List_copy = List[:]
if self.validation_bloc == 'valide':
self.List_copy [leader] = self.List_copy [leader] + 10
for self.i in range(0, len(List_vote)):
if List_vote[self.i] == 'accepter':
self.List_copy[self.i] = self.List_copy[self.i] + 10
elif List_vote[self.i] == 'rejeter':
self.List_copy[self.i] = self.List_copy[self.i] - 10
if self.validation_bloc == 'notvalide':
self.List_copy [leader] = self.List_copy [leader] - 10
for self.i in range(0, len(List_vote)):
if List_vote[self.i] == 'accepter':
self.List_copy[self.i] = self.List_copy[self.i] - 10
elif List_vote[self.i] == 'rejeter':
self.List_copy[self.i] = self.List_copy[self.i] + 10
for self.i in range(0, len(List)):
if self.List_copy[self.i] > 100:
self.List_copy[self.i] = 100
elif self.List_copy[self.i] < 0:
self.List_copy[self.i] = 0
return self.List_copy
def select_new_leader(self, p_leader, validation_b1, liste_vote_b1):
'''change leader only if the validation of bloc B1 (validation_b1) is = notvalid '''
self.new_leader = p_leader[0]
self.p_leader_new = p_leader[:]
self.boo = 1
if validation_b1 == 'notvalid':
while self.boo:
self.ancien_leader = self.p_leader_new.pop(0)
self.p_leader_new.append(self.ancien_leader)
self.new_leader = self.p_leader_new[0]
if list_vote_b1[self.new_leader] == 'rejeter':
self.boo = 0
return (self.p_leader_new, self.new_leader)
def calculate_merkle_reputations(self, p_leader_new, list_rep_updated):
'''Calculer le merkle root de la liste des reputations par chaque noeud des P%'''
self.liste_maj_rep = list_rep_updated[:]
self.mt = MerkleTools(hash_type="sha256")
for self.i in range(0, len(self.liste_maj_rep)):
self.liste_maj_rep[self.i] = str(self.liste_maj_rep[self.i])
self.mt.add_leaf(self.liste_maj_rep, True)
self.mt.make_tree()
self.is_ready = self.mt.is_ready
self.root_value = self.mt.get_merkle_root()
return self.root_value
def send_maj_reputations(self, user, p_leader, p_leader_new, liste_maj_rep_hash):
# mypeer is the peer of the user(node) from the updated list p_leader "p_leader_new".
'''send the new reputations list to the actual peer of the leader in order to make a merkle root for it'''
if self.me == p_leader_new[0]:
self.loop = asyncio.get_event_loop()
self.cli = Client(net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', user) # user = User1 or User2 ...
# Make the client know there is a channel in the network
self.cli.new_channel('secondchannel')
self.mypeer = p_leader.index(p_leader_new[0])
self.args = ["hash_reputations", liste_maj_rep_hash]
# The response should be true if succeed
self.response = self.loop.run_until_complete(self.cli.chaincode_invoke(
requestor=self.org1_admin,
fcn='NewRep',
channel_name='secondchannel',
peers=['peer'+str(self.mypeer)+'.org1.dz'], # the peer of the leader
args=self.args,
cc_name='test_cc2',
transient_map=None,
wait_for_event=True,
))
def retrieve_merkle_reputations(self, user, p_leader, p_leader_new, local_hash_rep):
# l'id du peer qui est relier avec le leader
'''recuperer le merkle root de la liste de reputations a partir du peer du leader'''
self.result_comparaison2 = ""
self.loop = asyncio.get_event_loop()
self.cli = Client(net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', user) # user = User1 or User2 ...
# Make the client know there is a channel in the network
self.cli.new_channel('secondchannel')
self.list_pp = p_leader_new[:]
del self.list_pp[0]
if self.me in self.list_pp:
self.list_data_retrived = []
self.args = ["hash_reputations"]
self.peer_leader = p_leader.index(p_leader_new[0])
# The response should be true if succeed
self.response = self.loop.run_until_complete(self.cli.chaincode_query(
requestor=self.org1_admin,
fcn='GetRep',
channel_name='secondchannel',
peers=['peer' + str(self.peer_leader) + '.org1.dz'],
args=self.args,
cc_name='test_cc2'
))
#self.lead_me = str(self.list_pp.index(self.me) + 1) # mon id in str to use it in cli.chaincode_query "peers"
self.response = json.loads(self.response)
#print(type(self.response))
#self.list_data_retrived.append(self.response)
#
# print(self.list_data_retrived)
if self.response['MerklerootReputations'] == local_hash_rep:
self.result_comparaison2 = "true"
else:
self.result_comparaison2 = "false"
return self.result_comparaison2
def send_vote_b2(self, user, list_p, result_comparaison):
''' every user from P% send votes about the validation of B2 (merkle root local comparer avec merkle root du leader)'''
self.list_pp = list_p[:]
del self.list_pp[0]
if self.me in self.list_pp:
if result_comparaison == "true":
self.vote = "accepter"
elif result_comparaison == "false":
self.vote = "rejeter"
self.loop = asyncio.get_event_loop()
self.cli = Client(net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', user) # user = User1 or User2 ...
# Make the client know there is a channel in the network
self.cli.new_channel('secondchannel')
self.args = ["B2_votes", str(self.me), self.vote]
# The response should be true if succeed
self.response = self.loop.run_until_complete(self.cli.chaincode_invoke(
requestor=self.org1_admin,
fcn='Votes',
channel_name='secondchannel',
peers=['peer0.org1.dz'], # the peer of the leader "not necessarly"
args=self.args,
cc_name='test_cc2',
transient_map=None,
wait_for_event=True,
))
def retrieve_vote_b2(self, user):
'''Every user retrieve the list of validation of B2 that contain the votes of P%, and if B1 is valid or not'''
self.loop = asyncio.get_event_loop()
self.cli = Client(net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', user) # user = User1 or User2 ...
# Make the client know there is a channel in the network
self.cli.new_channel('secondchannel')
self.args = ["B2_votes"]
# The response should be true if succeed
self.response = self.loop.run_until_complete(self.cli.chaincode_query(
requestor=self.org1_admin,
fcn='GetVotes',
channel_name='secondchannel',
peers=['peer0.org1.dz'],
args=self.args,
cc_name='test_cc2',
))
self.response = ast.literal_eval(self.response) # convert dictionary string to dictionary
return self.response["List Votes"] # return List
def validation_b2(self,user, state_b2, state_b1, p_leader_new, time, data, mr_data, list_reputations, mr_reputations):
''' '''
self.value = ""
self.k = 0
if state_b2 == 'notvalide':
self.value = 'notvalide'
elif state_b2 == 'valide' and state_b1 == 'valide':
self.value = 'valide'
self.k = 1
elif state_b2 == 'valide' and state_b1 == 'notvalide':
self.value = 'valide'
self.k = 1
for self.i in range(0, len(data)):
data[self.i] = "0"
self.mt = MerkleTools(hash_type="sha256")
self.mt.add_leaf(data, True)
self.mt.make_tree()
mr_data = self.mt.get_merkle_root()
#print(self.value)
#print(p_leader_new[0])
if self.k == 1 and self.me == p_leader_new[0]:
#print(self.value)
#print(p_leader_new[0])
self.loop = asyncio.get_event_loop()
self.cli = Client(net_profile="/home/Adel/Desktop/PFE/Two_Chain_Network_Template/pfe-project/sdk/MyNetwork.json")
self.org1_admin = self.cli.get_user('org1.dz', user) # user = User1 or User2 ...
# Make the client know there is a channel in the network
self.cli.new_channel('firstchannel')
self.args = [str(time), str(data), str(mr_data), str(list_reputations), str(mr_reputations)]
# The response should be true if succeed
self.response = self.loop.run_until_complete(self.cli.chaincode_invoke(
requestor=self.org1_admin,
fcn='NewData',
channel_name='firstchannel',
peers=['peer0.org1.dz'],
args=self.args,
cc_name='first_chaincode',
transient_map=None,
wait_for_event=True,
))
#print(self.response)
#exit()
return self.value
peers=['peer0.org1.example.com', 'peer1.org1.example.com']
)
print(response)
# Query Info
response = loop.run_until_complete(cli.query_info(
requestor=orgq_admin,
channel_name='businesschannel',
peers=['peer0.org1.example.com', 'peer1.org1.example.com']
))
print(response)
# The info acquired from the query_info is used to query block by hash
response = loop.run_until_complete(cli.query_block_by_hash(
requestor=org1_admin,
channel_name='businesschannel',
peers=['peer0.org1.example.com', 'peer1.org1.example.com'],
block_hash=response.currentBlockHash
))
print(response)
# TxID is extracted from the block information
tx_id = response.get('data').get('data')[0].get(
'payload').get('header').get(
'channel_header').get('tx_id')
# Query block by txid
response = loop.run_until_complete(cli.query_block_by_txid(
requestor=org1_admin,
channel_name='businesschannel',
peers=['peer0.org1.example.com', 'peer1.org1.example.com'],
tx_id=tx_id
cli.new_channel("firstchannel")
# first get the hash by calling 'query_info'
response = loop.run_until_complete(cli.query_info(
requestor=org1_admin,
channel_name='firstchannel',
peers=['peer0.org1.dz'],
decode=True
))
print(response)
test_hash = response.currentBlockHash
response = loop.run_until_complete(cli.query_block_by_hash(
requestor=org1_admin,
channel_name='firstchannel',
peers=['peer0.org1.dz'],
block_hash=test_hash,
decode=True
))
List_rep_bloc_byte = response.get('data').get('data')[0].get('payload').get('data').get('actions')[0].get('payload').get('action').get('proposal_response_payload').get('extension').get('results').get('ns_rwset')[0].get('rwset').get('writes')[0].get('value')
List_rep_bloc_str = List_rep_bloc_byte.decode("UTF-8") # convert byte to string
# using ast.literal_eval()
List_rep_bloc_dic = ast.literal_eval(List_rep_bloc_str) # convert dictionary string to dictionary
print(List_rep_bloc_dic)
for k, v in List_rep_bloc_dic.items():
if k == 'Liste des reputations':