def test_nonce_in_tx_correct():
# test if the nonce is correct in the tx
w = wallet.generate_new_wallet()
t = Transaction(sender=w.get_address(),
receivers=["01"],
amounts=[1],
nonce=w.get_nonce(),
fee=100)
assert t.nonce == w.get_nonce()
tx_hash_old = ""
tx_sig_old = ""
for i in range(10):
# sign tx
w.sign_transaction(t)
# get sig
signature = t.get_signature()
# nonce gets bigger every signed tx
assert t.nonce == w.get_nonce() - 1
assert t.nonce == i
# make sure tx_signature changes
assert signature != tx_sig_old
# make sure tx_hash changes
assert t.hash() != tx_hash_old
# finally test if verify works
assert t.verify()
# save values for next iteration
tx_hash_old = t.hash()
tx_sig_old = signature
# assert that we counted correctly
assert w.get_nonce() == 10
def test_unsigned_hash():
"""test the unisgned_hash of tx"""
sender = "abcd"
receivers = ["fe"]
amounts = [1]
nonce = 1
fee = 100
tx = Transaction(sender, receivers, amounts, nonce, fee)
# get hashes
tx_signed_hash = tx.hash()
tx_unsigned_hash = tx.unsigned_hash()
# set signature
tx.signature = "abcd"
# assert signed hash has changed
assert tx.hash() != tx_signed_hash
# assert unsigned hash has not changed
assert tx.unsigned_hash() == tx_unsigned_hash
def test_tx_from_json():
"""test serialization and deserialization"""
sender = "abcd"
receivers = ["fe"]
amounts = [1]
fee = 100
t1 = Transaction(sender, receivers, amounts, fee)
t2 = transaction.from_json(t1.string())
assert t1.string() == t2.string()
assert t1.hash() == t2.hash()
assert t1.unsigned_hash() == t2.unsigned_hash()
def test_transaction():
"""base test for transaction"""
sender = "iWVjc8hWuRuePAv1X8nDZdcjKcqivDUH62YKhBXBHqp2yGfgeXyHJDj5XwCHwjWB6GevCjMYT59XSBiQvMYHQ4P"
receivers = ["01", "02", "0a"]
amounts = [1, 2, 3]
fee = 100
tx = Transaction(sender, receivers, amounts, fee)
assert tx.string() == \
'{"sender": "iWVjc8hWuRuePAv1X8nDZdcjKcqivDUH62YKhBXBHqp2yGfgeXyHJDj5XwCHwjWB6GevCjMYT59XSBiQvMYHQ4P", "receivers": ["01", "02", "0a"], "amounts": [1, 2, 3], "nonce": 0, "fee": 100, "signature": ""}'
assert tx.hash(
) == "a564b3a98ed7d3f66b69ee4d9f7fab588a875ae06c6f7919c7f83121bb72f859"
def test_transaction():
"""base test for transaction"""
sender = "iWVjc8hWuRuePAv1X8nDZdcjKcqivDUH62YKhBXBHqp2yGfgeXyHJDj5XwCHwjWB6GevCjMYT59XSBiQvMYHQ4P"
receivers = ["01", "02", "0a"]
amounts = [1, 2, 3]
nonce = 1
fee = 100
tx = Transaction(sender, receivers, amounts, nonce, fee)
tx_string = tx.string()
assert tx_string == '{"sender_address": "iWVjc8hWuRuePAv1X8nDZdcjKcqivDUH62YKhBXBHqp2yGfgeXyHJDj5XwCHwjWB6GevCjMYT59XSBiQvMYHQ4P", "receivers": ["01", "02", "0a"], "amounts": [1, 2, 3], "nonce": 1, "fee": 100, "signature": ""}'
tx_hash = tx.hash()
assert tx_hash == "e9f65b7385ffb2e9c8809da75ff86bc10b8490dd02e3bfa26daf0c189a535b5b"
def remove_transaction(self, transaction: Transaction):
self.transactions.pop(transaction.hash(), None)