class TestNode(TestCase):
def setUp(self):
self.loop = asyncio.new_event_loop()
asyncio.set_event_loop(self.loop)
self.t = BlockchainDriver()
self.c = MasterStorage()
self.ctx = zmq.asyncio.Context()
def tearDown(self):
self.ctx.destroy()
self.t.flush()
self.c.drop_collections()
self.loop.close()
def test_catchup(self):
fake_block_1 = {'blockNum': 1, 'subBlocks': []}
fake_block_2 = {'blockNum': 2, 'subBlocks': []}
self.c.store_block(fake_block_1)
self.c.store_block(fake_block_2)
mn_wallets = [Wallet() for _ in range(2)]
dl_wallets = [Wallet() for _ in range(2)]
constitution = {
'masternodes': [mn.verifying_key().hex() for mn in mn_wallets],
'delegates': [dl.verifying_key().hex() for dl in dl_wallets],
'masternode_min_quorum': 2,
'delegate_min_quorum': 2,
}
n = Node(socket_base='tcp://127.0.0.1',
ctx=self.ctx,
constitution=constitution,
wallet=mn_wallets[0])
w = Wallet()
m = BlockServer(w,
'tcp://127.0.0.1',
self.ctx,
linger=500,
poll_timeout=500)
tasks = asyncio.gather(
m.serve(),
n.catchup(SocketStruct.from_string('tcp://127.0.0.1:10004')),
stop_server(m, 1),
)
loop = asyncio.get_event_loop()
res = loop.run_until_complete(tasks)
print(res)
def setUp(self):
self.ctx = zmq.asyncio.Context()
self.loop = asyncio.get_event_loop()
driver = BlockchainDriver()
driver.flush()
class TestBlockServer(TestCase):
def setUp(self):
self.loop = asyncio.new_event_loop()
asyncio.set_event_loop(self.loop)
self.t = BlockchainDriver()
self.ctx = zmq.asyncio.Context()
def tearDown(self):
self.ctx.destroy()
self.t.flush()
self.loop.close()
def test_get_latest_block_height(self):
w = Wallet()
m = BlockServer(w,
'tcp://127.0.0.1',
self.ctx,
linger=500,
poll_timeout=500,
driver=self.t)
self.t.set_latest_block_num(555)
async def get(msg):
socket = self.ctx.socket(zmq.DEALER)
socket.connect('tcp://127.0.0.1:10004')
await socket.send(msg)
res = await socket.recv()
return res
message = Message.get_signed_message_packed_2(
wallet=w,
msg_type=MessageType.LATEST_BLOCK_HEIGHT_REQUEST,
timestamp=int(time.time()))
tasks = asyncio.gather(
m.serve(),
get(message),
stop_server(m, 0.2),
)
loop = asyncio.get_event_loop()
res = loop.run_until_complete(tasks)
msg_type, msg, sender, timestamp, is_verified = Message.unpack_message_2(
res[1])
self.assertEqual(msg.blockHeight, 555)
def test_get_latest_block_hash(self):
w = Wallet()
m = BlockServer(w,
'tcp://127.0.0.1',
self.ctx,
linger=500,
poll_timeout=500)
self.t.set_latest_block_hash(b'\xAA' * 32)
async def get(msg):
socket = self.ctx.socket(zmq.DEALER)
socket.connect('tcp://127.0.0.1:10004')
await socket.send(msg)
res = await socket.recv()
return res
message = Message.get_signed_message_packed_2(
wallet=w,
msg_type=MessageType.LATEST_BLOCK_HASH_REQUEST,
timestamp=int(time.time()))
tasks = asyncio.gather(
m.serve(),
get(message),
stop_server(m, 0.2),
)
loop = asyncio.get_event_loop()
res = loop.run_until_complete(tasks)
msg_type, msg, sender, timestamp, is_verified = Message.unpack_message_2(
res[1])
self.assertEqual(msg.hash, b'\xAA' * 32)
def test_get_block_blob_by_block_data_request(self):
block = random_txs.random_block()
w = Wallet()
c = CilantroStorageDriver(key=w.sk.encode().hex())
c.drop_collections()
d = canonical.block_from_subblocks([s for s in block.subBlocks],
previous_hash=b'x/00' * 32,
block_num=0)
d['blockOwners'] = [secrets.token_bytes(32) for _ in range(12)]
c.put(d)
del d['_id']
del d['blockOwners']
m = BlockServer(w,
'tcp://127.0.0.1',
self.ctx,
linger=500,
poll_timeout=500,
driver=c)
async def get(msg):
socket = self.ctx.socket(zmq.DEALER)
socket.connect('tcp://127.0.0.1:10004')
await socket.send(msg)
res = await socket.recv()
return res
message = Message.get_signed_message_packed_2(
wallet=w, msg_type=MessageType.BLOCK_DATA_REQUEST, blockNum=0)
tasks = asyncio.gather(
m.serve(),
get(message),
stop_server(m, 0.2),
)
loop = asyncio.get_event_loop()
res = loop.run_until_complete(tasks)
msg_type, msg, sender, timestamp, is_verified = Message.unpack_message_2(
res[1])
dd = canonical.block_from_subblocks([s for s in msg.subBlocks],
previous_hash=b'x/00' * 32,
block_num=0)
self.assertDictEqual(d, dd)
def test_get_block_blob_by_block_but_failure_returns_bad_request(self):
w = Wallet()
c = CilantroStorageDriver(key=w.sk.encode().hex())
c.drop_collections()
m = BlockServer(w,
'tcp://127.0.0.1',
self.ctx,
linger=500,
poll_timeout=500,
driver=c)
async def get(msg):
socket = self.ctx.socket(zmq.DEALER)
socket.connect('tcp://127.0.0.1:10004')
await socket.send(msg)
res = await socket.recv()
return res
message = Message.get_signed_message_packed_2(
wallet=w, msg_type=MessageType.BLOCK_DATA_REQUEST, blockNum=0)
tasks = asyncio.gather(
m.serve(),
get(message),
stop_server(m, 1),
)
loop = asyncio.get_event_loop()
res = loop.run_until_complete(tasks)
msg_type, msg, sender, timestamp, is_verified = Message.unpack_message_2(
res[1])
self.assertEqual(msg_type, MessageType.BAD_REQUEST)
class TestTXValidity(TestCase):
def setUp(self):
self.nonce_manager = BlockchainDriver()
self.nonce_manager.flush()
def tearDown(self):
self.nonce_manager.flush()
def test_processor_incorrect_returns_false(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
given_processor = secrets.token_bytes(32)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=given_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionProcessorInvalid):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_processor_is_expected_but_nonce_is_incorrect_returns_false(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=1)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionNonceInvalid):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_processor_and_nonce_correct_increments_pending_nonce_by_one(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=10000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
pending_nonce = self.nonce_manager.get_pending_nonce(expected_processor, w.verifying_key())
self.assertEqual(pending_nonce, 1)
def test_all_but_wallet_signed_returns_false(self):
w = Wallet()
x = Wallet()
expected_processor = secrets.token_bytes(32)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=0,
processor=expected_processor,
nonce=0)
tx.sign(x.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionSignatureInvalid):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_all_but_proof_valid_returns_false(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=0,
processor=expected_processor,
nonce=0)
tx.proof = b'\00' * 32
tx.proof_generated = True
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionPOWProofInvalid):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_processor_and_nonce_correct_but_not_enough_stamps_returns_false(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionSenderTooFewStamps):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
tx.payload.sender.hex())
balance = self.nonce_manager.get(balances_key) or 0
self.assertEqual(balance, 0)
def test_all_valid_with_stamps_when_balance_is_set(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
tx.payload.sender.hex())
self.nonce_manager.set(balances_key, 500000)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
balance = self.nonce_manager.get(balances_key) or 0
self.assertEqual(balance, 500000)
def test_multiple_nonces_in_sequence_all_verify(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=1)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=2)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=3)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_non_sequence_fails_in_strict_mode(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=1)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=2)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=5)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionNonceInvalid):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_greater_than_passes_in_no_strict_mode(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=1)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=2)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=5)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager,
strict=False)
def test_non_strict_fails_if_same_nonce(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager,
strict=False)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionNonceInvalid):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager,
strict=False)
def test_strict_fails_if_same_nonce(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionNonceInvalid):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_tx_nonce_minus_nonce_less_than_tx_per_block(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
self.nonce_manager.set_nonce(processor=expected_processor, sender=w.verifying_key(), nonce=1)
self.nonce_manager.set_pending_nonce(processor=expected_processor, sender=w.verifying_key(), nonce=2)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=2)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_tx_nonce_minus_nonce_greater_than_tx_per_block_fails(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
self.nonce_manager.set_nonce(processor=expected_processor, sender=w.verifying_key(), nonce=1)
self.nonce_manager.set_pending_nonce(processor=expected_processor, sender=w.verifying_key(), nonce=10)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=20)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionTooManyPendingException):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_nonce_minus_pending_nonce_equal_tx_per_block_fails(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
self.nonce_manager.set_nonce(processor=expected_processor, sender=w.verifying_key(), nonce=1)
self.nonce_manager.set_pending_nonce(processor=expected_processor, sender=w.verifying_key(), nonce=16)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=16)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionTooManyPendingException):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_15_in_row_valid_16th_not_due_to_tx_per_block_failing(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
for i in range(15):
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=i)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 10, 'to': 'jeff'},
stamps=500000,
processor=expected_processor,
nonce=15)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionTooManyPendingException):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_sending_transfer_of_all_money_fails(self):
self.nonce_manager.set_var('stamp_cost', 'S', ['value'], value=3000)
stamp_to_tau = self.nonce_manager.get_var('stamp_cost', 'S', ['value'])
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 500000, 'to': 'jeff'},
stamps=3000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionSenderTooFewStamps):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_sending_transfer_of_most_money_fails_if_only_one_transfer_in_stamps_left(self):
self.nonce_manager.set_var('stamp_cost', 'S', ['value'], value=3000)
stamp_to_tau = self.nonce_manager.get_var('stamp_cost', 'S', ['value'])
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 499999, 'to': 'jeff'},
stamps=3000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionSenderTooFewStamps):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_sending_transfer_of_most_money_doesnt_fail_if_enough_stamps(self):
self.nonce_manager.set_var('stamp_cost', 'S', ['value'], value=3000)
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='currency',
function='transfer',
kwargs={'amount': 499990, 'to': 'jeff'},
stamps=3000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_submission_not_prepended_with_con_throws_error(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='submission',
function='submit_contract',
kwargs={'name': 'bad_name', 'code': 'blah'},
stamps=3000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionContractNameInvalid):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_submission_not_str_throws_error(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='submission',
function='submit_contract',
kwargs={'name': 123, 'code': 'blah'},
stamps=3000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
with self.assertRaises(transaction.TransactionContractNameInvalid):
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
def test_submission_prepended_with_con_succeeds(self):
w = Wallet()
expected_processor = secrets.token_bytes(32)
balances_key = '{}{}{}{}{}'.format('currency',
config.INDEX_SEPARATOR,
'balances',
config.DELIMITER,
w.verifying_key().hex())
self.nonce_manager.set(balances_key, 500000)
tx = TransactionBuilder(w.verifying_key(),
contract='submission',
function='submit_contract',
kwargs={'name': 'con_bad_name', 'code': 'blah'},
stamps=3000,
processor=expected_processor,
nonce=0)
tx.sign(w.signing_key())
tx_bytes = tx.serialize()
tx_struct = transaction_capnp.NewTransaction.from_bytes_packed(tx_bytes)
transaction_is_valid(tx=tx_struct, expected_processor=expected_processor, driver=self.nonce_manager)
