def calculate_hash(self):
# increase the sequence to avoid 2 identical transactions having the same hash
Transaction.sequence += 1
message = self.sender + self.recipient + str(self.value) + str(
Transaction.sequence)
return sha512(message)
def get_hash_of_password(username, password):
return sha512(username + password)
def init(self, uname, password):
self.username = uname
self.salt = token_hex(32)
self.password = sha512(self.salt + password)
return self
def authenticate(self, password):
if self.password == sha512(self.salt + password):
return True
return False
def calculate_hash(self):
message = self.recipient + str(self.value) + self.parent_transaction_id
return sha512(message)