def OnBtnClick(self, event):
identifier = event.GetEventObject().id
if identifier == JOIN_NETWORK:
if self.type == "m":
self.node = Miner.new(("localhost", int(sys.argv[1])))
elif self.type == "s":
self.node = SPVClient.new(("localhost", int(sys.argv[1])))
elif self.type == "f":
self.node = SelfishMiner.new(('localhost', int(sys.argv[1])))
elif identifier == START_MINE:
self.node.mine()
time.sleep(2)
self.balance_value.SetLabel(
str(self.node.get_own_balance()) + " ")
elif identifier == GET_HEADER:
self.node.get_blk_headers()
elif identifier == UPDATE_BAL:
if self.type == "s":
balance = self.node.request_balance()
self.balance_value.SetLabel(str(balance) + " ")
elif self.type == "m" or self.type == "f":
self.balance_value.SetLabel(
str(self.node.get_own_balance()) + " ")
elif identifier == VERIFY_TXN:
txn_no = self.txn_no.GetValue()
if txn_no >= 1:
tx_json = self.node.interested_txn[txn_no - 1]
self.node.log(f"<<<Interested Transaction: {tx_json} >>>")
time.sleep(5)
if tx_json is not None:
self.node.verify_user_transaction(tx_json)
else:
self.node.log("No interested transaction selected")
elif identifier == MAKE_TXN:
receiver_port = self.to_field.GetValue()
receiver_node = self.node.find_peer_by_addr(
("localhost", int(receiver_port)))
print(f"receiver node = {receiver_node}")
receiver_pubkey = receiver_node["pubkey"]
print(f"found receiver pubkey = {receiver_pubkey}")
self.node.make_transaction(receiver=receiver_pubkey,
amount=float(self.amt_field.GetValue()))
if self.type == "s":
self.txn_no.SetMax(len(self.node.interested_txn))
elif identifier == SETUP_DS:
self.node.setup_ds_attack()
elif identifier == START_DS:
self.node.ds_mine()
elif identifier == RESEND_ATTACK:
txn_no = self.txn_no.GetValue()
if txn_no >= 1:
tx_json = self.node.interested_txn[txn_no - 1]
self.node.log(f"<<<Interested Transaction: {tx_json} >>>")
time.sleep(5)
if tx_json is not None:
self.node.tx_resend_attack(tx_json)
else:
self.node.log("No interested transaction selected")
