def test_unvalid_verify_tx():
sender = "a"
receivers = ["fe"]
amounts = [1]
fee = 100
t = Transaction(sender, receivers, amounts, fee)
assert False == t.verify()
def test_pool_multi_add_same_tx():
p = TransactionPool()
assert p.get_size() == 0
assert p.get_tx_list() == []
sender = "iWVjc8hWuRuePAv1X8nDZdcjKcqivDUH62YKhBXBHqp2yGfgeXyHJDj5XwCHwjWB6GevCjMYT59XSBiQvMYHQ4P"
receivers = ["01", "02", "0a"]
amounts = [1, 2, 3]
fee = 100
tx = Transaction(sender, receivers, amounts, fee)
p.add(tx)
assert p.get_size() == 1
assert p.get_tx_list()[0].string() == tx.string()
p.add(tx)
assert p.get_size() == 1
assert p.get_tx_list()[0].string() == tx.string()
p.add(tx)
assert p.get_size() == 1
assert p.get_tx_list()[0].string() == tx.string()
p.remove(tx)
assert p.get_size() == 0
assert p.get_tx_list() == []
def json_string_tx():
"""creates a main block for testing purposes"""
sender = "iWVjc8hWuRuePAv1X8nDZdcjKcqivDUH62YKhBXBHqp2yGfgeXyHJDj5XwCHwjWB6GevCjMYT59XSBiQvMYHQ4P"
receivers = ["01", "02", "0a"]
amounts = [1, 2, 3]
fee = 100
tx = Transaction(sender, receivers, amounts, fee)
return tx.string()
def test_sign_transaction():
# test if transactions can be signed
w = wallet.generate_new_wallet()
t = Transaction(sender=w.get_address(),
receivers=["01"],
amounts=[1],
nonce=1,
fee=100)
w.sign_transaction(t)
assert t.verify()
def json_string_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()
return tx_string
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 test_verify_tx():
"""
tests if a signed transaction can be validated
we just need the address for this, because address=public_key
"""
w = wallet.generate_new_wallet()
sender = w.get_address()
receivers = ["fe"]
amounts = [1]
fee = 100
t = Transaction(sender, receivers, amounts, fee)
w.sign_transaction(t)
assert cryptoutil.verify_transaction_sig(t, t.get_signature())
assert t.verify()
def test_pool():
"""test that adding the same tx twice is not possible"""
p = TransactionPool()
assert p.get_size() == 0
assert p.get_tx_list() == []
sender = "iWVjc8hWuRuePAv1X8nDZdcjKcqivDUH62YKhBXBHqp2yGfgeXyHJDj5XwCHwjWB6GevCjMYT59XSBiQvMYHQ4P"
receivers = ["01", "02", "0a"]
amounts = [1, 2, 3]
fee = 100
tx1 = Transaction(sender, receivers, amounts, fee)
p.add(tx1)
assert p.get_size() == 1
assert p.get_tx_list()[0].string() == tx1.string()
tx2 = Transaction(sender, receivers, amounts, fee)
p.add(tx2)
assert p.get_size() == 1
assert p.get_tx_list()[0].string() == tx1.string()
assert p.get_tx_list()[0].string() == tx2.string()
p.remove(tx1)
assert p.get_size() == 0
assert p.get_tx_list() == []
def test_sign_unvalid_tx():
# test if signing unvalid transaction is rejected
w = wallet.generate_new_wallet()
t = Transaction(sender="different sender than wallet",
receivers=["01"],
amounts=[1],
nonce=1,
fee=100)
with pytest.raises(ValueError):
w.sign_transaction(t)
def test_nonce_correctly():
# test if the nonce increases when signing a tx
# test if loaded wallet (w_copy) has correct nonce
w = wallet.generate_new_wallet()
t = Transaction(sender=w.get_address(),
receivers=["01"],
amounts=[1],
nonce=1,
fee=100)
assert w.get_nonce() == 0
w.sign_transaction(t)
assert w.get_nonce() == 1
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_pool_two_different_tx():
p = TransactionPool()
sender = "iWVjc8hWuRuePAv1X8nDZdcjKcqivDUH62YKhBXBHqp2yGfgeXyHJDj5XwCHwjWB6GevCjMYT59XSBiQvMYHQ4P"
receivers = ["01", "02", "0a"]
amounts = [1, 2, 3]
fee = 100
tx1 = Transaction(sender, receivers, amounts, fee)
tx1.nonce = 1
tx2 = Transaction(sender, receivers, amounts, fee)
tx2.nonce = 2
p.add(tx1)
p.add(tx2)
assert p.get_size() == 2
p.remove(tx2)
assert p.get_size() == 1
p.remove(tx2)
assert p.get_size() == 1
p.remove(tx1)
assert p.get_size() == 0
def test_sign_transaction():
"""test that signing and verifying transaction works"""
private_key = cryptoutil.generate_key()
sender = cryptoutil.key_to_address(private_key.get_verifying_key())
receivers = ["fe"]
amounts = [1]
fee = 100
tx = Transaction(sender, receivers, amounts, fee)
# get the signature
tx_sig = cryptoutil.get_transaction_sig(private_key, tx)
# validate transaction
assert cryptoutil.verify_transaction_sig(tx, tx_sig)
def test_trie():
txs = []
for i in range(10):
sender = "a" + str(i)
receivers = [str(i)]
amounts = [str(i + 100)]
fee = 100 * i
txs.append(Transaction(sender, receivers, amounts, fee))
txs = [tx.hash() for tx in txs]
trie = Trie(txs)
assert trie.size() == 10
trie_root = trie.root()
assert trie_root == "f12419db9e522427fa0fddff624b8d024becb4749fc75018dec2512048a21492"
def test_trie():
txs = []
for i in range(10):
sender = "a" + str(i)
receivers = [str(i)]
amounts = [str(i + 100)]
nonce = i
fee = 100 * i
txs.append(Transaction(sender, receivers, amounts, nonce, fee))
txs = [tx.hash() for tx in txs]
trie = Trie(txs)
assert trie.size() == 10
trie_root = trie.root()
assert trie_root == "819208b7314e74647711cb43a22e518fea7d67541bd691ef7914a368883b43c6"
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_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 remove_transaction(self, transaction: Transaction):
self.transactions.pop(transaction.hash(), None)
def handle_new_transaction(self, tx: Transaction):
self.tx_pool.add_transaction(tx)
loggerutil.debug("got new tx: " + tx.str())
def get_tx_list(_range):
return [Transaction("a" + str(i), ["b" + str(i)], [i], 10 * i) for i in range(_range)]