def add_transaction(self, recipient, amount=1.0, sender=None, signature='', is_receiving=False):
""" Appends a new value as well as the last blockchain to the blockchain.
:argument sender The sender of the coins.
:argument recipient The recipient of the coins.
:argument amount The amount of coins (default[1])
"""
if self.hosting_node is None:
return False
transaction = Transaction(sender, recipient, amount, signature)
if not Wallet.verify_transaction(transaction):
return False
if Verification.verify_transaction(transaction, self.get_balance):
self.__open_transactions.append(transaction)
self.save_data()
if not is_receiving:
for node in self.__peer_nodes:
url = 'http://{}/broadcast'.format(node)
try:
response = requests.post(url, json={'sender': sender, 'recipient': recipient, 'amount': amount,
'signature': signature})
if response.status_code == 400 or response.status_code == 500:
print('Transaction declined!')
return False
except requests.exceptions.ConnectionError:
continue
return True
return False
def add_transaction(self,
recipient: str,
sender: str,
signature: str,
amount: float = 1.0,
is_receiving=False) -> bool:
if self.public_key is None:
return False
transaction = Transaction(sender, recipient, signature, amount)
if Verification.verify_transaction(transaction, self.get_balance):
self.__open_transactions.append(transaction)
self.save_data()
if not is_receiving:
for node in self.__peer_nodes:
url = 'http://{}/broadcast-transaction'.format(node)
try:
response = requests.post(url,
json={
'sender': sender,
'recipient': recipient,
'amount': amount,
'signature': signature
})
if response.status_code == 400 or response.status_code == 500:
print('Transaction declined, needs resolving')
return False
except requests.exceptions.ConnectionError:
continue
return True
return False
def add_value(self, signature, sender, recipient, amount=1.0):
""" appends a new value to the open transaction list.
Arguments:
:sender: The sender of the transaction.
:recipient: Receiver of the transaction.
:amount: The amount of the transaction.
"""
# transaction = {
# "sender": sender,
# "recipient": recipient,
# "amount": amount
# }
if self.hosting_node == None:
return False
transaction = Transaction(signature, sender, recipient, amount)
if not Wallet.verify_signature(transaction):
return False
if Verification.verify_transaction(transaction, self.get_balance):
self.__open_transactions.append(transaction)
self.save_data()
return True
print("insufficient funds")
return False
def add_transaction(self,
recipient,
sender,
signature,
amount=1.0,
is_receiving=False):
# if self.public_key == None:
# return False
# Create transaction class object
transaction = Transaction(sender, recipient, signature, amount)
if Verification.verify_transaction(transaction, self.get_balance):
self.__open_transactions.append(transaction)
self.save_data()
# send to all nodes the transaction added if there is not the direct receiving node
if not is_receiving:
for node in self.__peer_nodes:
url = 'http://{}/broadcast-transaction'.format(node)
try:
response = requests.post(url,
json={
'sender': sender,
'recipient': recipient,
'amount': amount,
'signature': signature
})
if response.status_code == 400 or response.status_code == 500:
print('Transaction declined, needs resolving')
return False
except requests.exceptions.ConnectionError:
continue
return True
return False
def add_transaction(self, recipient, sender, signature, amount=1.0):
if self.public_key is None:
return False
transaction = Transaction(sender, recipient, signature, amount)
if Verification.verify_transaction(transaction, self.get_balance):
self.__open_transactions.append(transaction)
self.save_data()
return True
return False
def add_transaction(self, recipient, sender, signature, amount=1.0):
""" Adding value to the blockchain
Arguments:
:sender: The sender of the coins.
:recipient: The recipient of the coins.
:amount: The amount of coins sent. Default 1.0.
"""
transaction = Transaction(sender, recipient, signature, amount)
if Verification.verify_transaction(transaction, self.get_balance):
self.__open_transactions.append(transaction)
self.save_data()
return True
return False
def add_transaction(self,
recipient,
sender,
signature,
amount=1.0,
is_receiving=False):
""" Append a new value as well as the last blockchain value to the blockchain.
Arguments:
:sender: Tecihe sender of the coins.
:rpient: The recipient of the coins.
:amount: The amount of coins sent with the transaction (default = 1.0)
"""
# transaction = {
# 'sender': sender,
# 'recipient': recipient,
# 'amount': amount
# }
# if self.public_key == None:
# return False
transaction = Transaction(sender, recipient, signature, amount)
if Verification.verify_transaction(transaction, self.get_balance):
self.__open_transactions.append(transaction)
self.save_data()
if not is_receiving:
for node in self.__peer_nodes:
url = 'http://{}/broadcast-transaction'.format(node)
try:
response = requests.post(url,
json={
'sender': sender,
'recipient': recipient,
'amount': amount,
'signature': signature
})
if response.status_code == 400 or response.status_code == 500:
print('Transaction declined, needs resolving')
return False
except requests.exceptions.ConnectionError:
continue
return True
return False
def add_transaction(self, recipient, sender, signature, amount=1.0):
"""
Adds a new transaction (if valid) to the list of open transactions.
Parameters
----------
sender (String): The sender of the coins
recipient (String): The recipient of the coins
amount (float): The amount of coins sent in the transaction
(default = 1.0)
"""
if self.hosting_node is None:
return False
transaction = Transaction(sender, recipient, signature, amount)
if Verification.verify_transaction(transaction, self.get_balances):
logger.info(
'Valid transaction. Adding to list of open transactions.')
self.__open_transactions.append(transaction)
self.save_data()
return True
return False