def get_transaction(self, data, node):
dprint("Getting the transactions")
system = GetBlock()
system.createTrans(sequance_number=data["sequance_number"],
signature=data["signature"],
fromUser=data["fromUser"],
toUser=data["to_user"],
data=data["data"],
amount=data["amount"],
transaction_fee=data["transaction_fee"],
transaction_sender=node,
transaction_time=data["transaction_time"])
def send(my_public_key, my_private_key, to_user, data=None, amount=None):
"""
The main function for sending the transaction.
Inputs:
* my_public_key: Sender's public key.
* my_private_key: Sender's private key.
* to_user: Receiver's address.
* data: A text that can be written into the transaction. (Can be None)
* amount: A int or float amount to be sent. (Can be None)
"""
my_public_key = "".join([
l.strip() for l in my_public_key.splitlines()
if l and not l.startswith("-----")
])
system = GetBlock()
sequance_number = GetSequanceNumber(my_public_key, system) + 1
# Get the current fee
transaction_fee = system.transaction_fee
tx_time = int(time.time())
system.createTrans(
sequance_number=sequance_number,
signature=Ecdsa.sign(
str(sequance_number) + str(my_public_key) + str(to_user) +
str(data) + str(amount) + str(transaction_fee) + str(tx_time),
PrivateKey.fromPem(my_private_key)).toBase64(),
fromUser=str(my_public_key),
toUser=str(to_user),
data=data,
amount=amount,
transaction_fee=transaction_fee,
transaction_sender=None,
transaction_time=tx_time)
