def __init__(self, process_id):
self.chain = Blockchain(process_id)
self.process_id = process_id
self.message_queue = [] # bytes format
self.transaction_queue = []
self.port = 5000 + process_id
self.server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR,
1)
self.server_socket.bind(('', self.port))
self.server_socket.listen(10)
self.client_socket_list = [] # sending message
self.connecting_socket_list = [] # receiving message
self.link_status_list = [1] * 5
self.time_out = random.randint(time_out_a, time_out_b)
self.timer = 0
self.leader_process_id = 0
self.ballot = Type.Ballot(0, process_id, 0)
self.acceptNum = Type.Ballot(0, 0, 0)
self.acceptVal = None
self.first_count = 0
self.second_count = 0
self.success = False
def reset_protocol(self):
self.ballot = Type.Ballot(0, self.process_id, 0)
self.acceptNum = Type.Ballot(0, 0, 0)
self.acceptVal = None
self.first_count = 0
self.second_count = 0
self.success = False
def leader_accept_phase(self, promise):
max_previous_ballot_num = Type.Ballot(0, 0, 0)
self.first_count = self.first_count + 1
if promise.acceptVal != 0 and promise.acceptNum >= max_previous_ballot_num:
self.acceptVal = promise.acceptVal
max_previous_ballot_num = promise.acceptNum
if self.first_count == 2:
self.send_message_to_all_process(
Type.Accept(self.ballot, self.chain.temp_block))
self.leader_process_id = self.process_id
print("Leader Prepare Phase Complete!")
print("Current leader is: " + str(self.leader_process_id))
