def setUp(self):
self.node = MockGatewayNode(gateway_helpers.get_gateway_opts(
8000,
include_default_btc_args=True,
compact_block_min_tx_count=5
))
self.node.block_processing_service = MagicMock()
self.connection = BtcNodeConnection(
MockSocketConnection(node=self.node, ip_address=LOCALHOST, port=123), self.node
)
self.connection.node = self.node
self.connection.peer_ip = LOCALHOST
self.connection.peer_port = 8001
self.connection.network_num = 2
self.sut = BtcNodeConnectionProtocol(self.connection)
full_block_msg = BlockBtcMessage(
buf=bytearray(convert.hex_to_bytes(self.FULL_BLOCK_BYTES_HEX))
)
if self.node.opts.use_extensions:
transaction_service = ExtensionTransactionService(self.node, 0)
else:
transaction_service = TransactionService(self.node, 0)
short_id = 1
for tx in full_block_msg.txns():
tx_hash = btc_common_utils.get_txid(tx)
transaction_service.set_transaction_contents(tx_hash, tx)
transaction_service.assign_short_id(tx_hash, short_id)
short_id += 1
self.sut.connection.node._tx_service = transaction_service
def test_get_txs_block_recovery_encrypted(self):
block: BlockOntMessage = self.ont_block()
transactions: List[TxOntMessage] = self.ont_transactions(block)
# assign short ids that the local connection won't know about until it gets the txs message
remote_transaction_service = ExtensionTransactionService(
MockNode(gateway_helpers.get_gateway_opts(8999)), 0)
short_id_mapping = {}
for i, transaction in enumerate(transactions):
tx_hash = transaction.tx_hash()
remote_transaction_service.assign_short_id(tx_hash, i + 1)
remote_transaction_service.set_transaction_contents(
tx_hash, transaction.rawbytes())
short_id_mapping[tx_hash] = TransactionInfo(
tx_hash, transaction.rawbytes(), i + 1)
bx_block = bytes(
self.gateway_node.message_converter.block_to_bx_block(
block, remote_transaction_service)[0])
self.gateway_node.block_recovery_service.add_block = \
MagicMock(wraps=self.gateway_node.block_recovery_service.add_block)
self.gateway_node.send_msg_to_node = MagicMock()
self.gateway_node.broadcast = MagicMock()
key, ciphertext = symmetric_encrypt(bx_block)
block_hash = crypto.double_sha256(ciphertext)
key_message = KeyMessage(Sha256Hash(block_hash), DEFAULT_NETWORK_NUM,
"", key)
broadcast_message = BroadcastMessage(Sha256Hash(block_hash),
DEFAULT_NETWORK_NUM, "",
BroadcastMessageType.BLOCK, True,
ciphertext)
self.sut.msg_broadcast(broadcast_message)
self.gateway_node.broadcast.reset_mock()
self.sut.msg_key(key_message)
self.gateway_node.block_recovery_service.add_block.assert_called_once()
self.assertEqual(2, self.gateway_node.broadcast.call_count)
recovery_broadcast = self.gateway_node.broadcast.call_args_list[0]
((gettxs_message, ), recovery_kwargs) = recovery_broadcast
self.assertIsInstance(gettxs_message, GetTxsMessage)
self.assertIn(ConnectionType.RELAY_TRANSACTION,
recovery_kwargs["connection_types"])
key_broadcast = self.gateway_node.broadcast.call_args_list[1]
((key_message, _conn), recovery_kwargs) = key_broadcast
self.assertIsInstance(key_message, KeyMessage)
self.assertIn(ConnectionType.GATEWAY,
recovery_kwargs["connection_types"])
txs = [tx for tx in short_id_mapping.values()]
txs_message = TxsMessage(txs=txs)
self.sut.msg_txs(txs_message)
self._assert_block_sent(block)
def test_msg_broadcast_duplicate_block_with_different_short_id(self):
# test scenario when first received block is compressed with unknown short ids,
# but second received block is compressed with known short ids
ont_block = self.ont_block()
block_hash = ont_block.block_hash()
transactions = self.bx_transactions()
unknown_sid_transaction_service = ExtensionTransactionService(MockNode(
gateway_helpers.get_gateway_opts(8999)), 0)
for i, transaction in enumerate(transactions):
unknown_sid_transaction_service.assign_short_id(transaction.tx_hash(), i)
unknown_sid_transaction_service.set_transaction_contents(transaction.tx_hash(), transaction.tx_val())
unknown_short_id_block = bytes(
self.gateway_node.message_converter.block_to_bx_block(
ont_block, unknown_sid_transaction_service, True, self.gateway_node.network.min_tx_age_seconds
)[0]
)
unknown_key, unknown_cipher = symmetric_encrypt(unknown_short_id_block)
unknown_block_hash = crypto.double_sha256(unknown_cipher)
unknown_message = BroadcastMessage(Sha256Hash(unknown_block_hash), self.TEST_NETWORK_NUM, "",
BroadcastMessageType.BLOCK, False, bytearray(unknown_short_id_block))
unknown_key_message = KeyMessage(Sha256Hash(unknown_block_hash), self.TEST_NETWORK_NUM, "", unknown_key)
local_transaction_service = self.gateway_node.get_tx_service()
for i, transaction in enumerate(transactions):
local_transaction_service.assign_short_id(transaction.tx_hash(), i + 20)
local_transaction_service.set_transaction_contents(transaction.tx_hash(), transaction.tx_val())
known_short_id_block = bytes(
self.gateway_node.message_converter.block_to_bx_block(
ont_block, local_transaction_service, True, self.gateway_node.network.min_tx_age_seconds
)[0]
)
known_key, known_cipher = symmetric_encrypt(known_short_id_block)
known_block_hash = crypto.double_sha256(known_cipher)
known_message = BroadcastMessage(Sha256Hash(known_block_hash), self.TEST_NETWORK_NUM, "",
BroadcastMessageType.BLOCK, False, bytearray(known_short_id_block))
known_key_message = KeyMessage(Sha256Hash(known_block_hash), self.TEST_NETWORK_NUM, "", known_key)
self.sut.msg_broadcast(unknown_message)
self.sut.msg_key(unknown_key_message)
self.assertEqual(1, len(self.gateway_node.block_queuing_service))
self.assertEqual(True, self.gateway_node.block_queuing_service._blocks_waiting_for_recovery[block_hash])
self.assertEqual(1, len(self.gateway_node.block_recovery_service._block_hash_to_bx_block_hashes))
self.assertNotIn(block_hash, self.gateway_node.blocks_seen.contents)
self.sut.msg_broadcast(known_message)
self.sut.msg_key(known_key_message)
self.gateway_node_sut.msg_get_data(GetDataOntMessage(self.magic, InventoryOntType.MSG_BLOCK.value, block_hash))
self.gateway_node.broadcast.assert_called()
self.assertEqual(0, len(self.gateway_node.block_queuing_service))
self.assertEqual(0, len(self.gateway_node.block_recovery_service._block_hash_to_bx_block_hashes))
self.assertIn(block_hash, self.gateway_node.blocks_seen.contents)
def test_get_txs_multiple_sid_assignments(self):
block = self.ont_block()
transactions = self.ont_transactions(block)
# assign short ids that the local connection won't know about until it gets the txs message
remote_transaction_service1 = ExtensionTransactionService(
MockNode(gateway_helpers.get_gateway_opts(8999)), 0)
short_id_mapping1 = {}
for i, transaction in enumerate(transactions):
remote_transaction_service1.assign_short_id(
transaction.tx_hash(), i + 1)
remote_transaction_service1.set_transaction_contents(
transaction.tx_hash(), transaction.tx())
short_id_mapping1[transaction.tx_hash()] = TransactionInfo(
transaction.tx_hash(), transaction.tx(), i + 1)
txs_message_1 = TxsMessage([tx for tx in short_id_mapping1.values()])
self.sut.msg_txs(txs_message_1)
for transaction_hash, tx_info in short_id_mapping1.items():
transaction_key = self.gateway_node.get_tx_service(
).get_transaction_key(transaction_hash)
self.assertEqual(
tx_info.short_id,
self.gateway_node.get_tx_service().get_short_id_by_key(
transaction_key))
stored_hash, stored_content, _ = self.gateway_node.get_tx_service(
).get_transaction(tx_info.short_id)
self.assertEqual(transaction_hash, stored_hash)
self.assertEqual(tx_info.contents, stored_content)
remote_transaction_service2 = ExtensionTransactionService(
MockNode(gateway_helpers.get_gateway_opts(8999)), 0)
short_id_mapping2 = {}
for i, transaction in enumerate(transactions):
remote_transaction_service2.assign_short_id(
transaction.tx_hash(), i + 101)
remote_transaction_service2.set_transaction_contents(
transaction.tx_hash(), transaction.tx())
short_id_mapping2[transaction.tx_hash()] = TransactionInfo(
transaction.tx_hash(), transaction.tx(), i + 101)
txs_message_2 = TxsMessage([tx for tx in short_id_mapping2.values()])
self.sut.msg_txs(txs_message_2)
for transaction_hash, tx_info in short_id_mapping2.items():
stored_hash, stored_content, _ = self.gateway_node.get_tx_service(
).get_transaction(tx_info.short_id)
self.assertEqual(transaction_hash, stored_hash)
self.assertEqual(tx_info.contents, stored_content)
def test_get_txs_block_recovery(self):
block: BlockOntMessage = self.ont_block()
transactions: List[TxOntMessage] = self.ont_transactions(block)
# assign short ids that the local connection won't know about until it gets the txs message
remote_transaction_service = ExtensionTransactionService(
MockNode(gateway_helpers.get_gateway_opts(8999)), 0)
short_id_mapping = {}
for i, transaction in enumerate(transactions):
tx_hash = transaction.tx_hash()
remote_transaction_service.assign_short_id(tx_hash, i + 1)
remote_transaction_service.set_transaction_contents(
tx_hash, transaction.rawbytes())
short_id_mapping[tx_hash] = TransactionInfo(
tx_hash, transaction.rawbytes(), i + 1)
bx_block = bytes(
self.gateway_node.message_converter.block_to_bx_block(
block, remote_transaction_service, True,
self.gateway_node.network.min_tx_age_seconds)[0])
self.gateway_node.block_recovery_service.add_block = \
MagicMock(wraps=self.gateway_node.block_recovery_service.add_block)
self.gateway_node.broadcast = MagicMock()
broadcast_message = BroadcastMessage(block.block_hash(),
DEFAULT_NETWORK_NUM, "",
BroadcastMessageType.BLOCK, False,
bytearray(bx_block))
self.sut.msg_broadcast(broadcast_message)
self.gateway_node.block_recovery_service.add_block.assert_called_once()
self.assertEqual(1, self.gateway_node.broadcast.call_count)
recovery_broadcast = self.gateway_node.broadcast.call_args_list[0]
((gettxs_message, ), recovery_kwargs) = recovery_broadcast
self.assertIsInstance(gettxs_message, GetTxsMessage)
self.assertIn(ConnectionType.RELAY_TRANSACTION,
recovery_kwargs["connection_types"])
txs = [tx for tx in short_id_mapping.values()]
txs_message = TxsMessage(txs=txs)
self.sut.msg_txs(txs_message)
self._assert_block_sent(block)
def init(self, use_extensions: bool):
opts = Namespace()
opts.use_extensions = use_extensions
opts.import_extensions = use_extensions
opts.tx_mem_pool_bucket_size = DEFAULT_TX_MEM_POOL_BUCKET_SIZE
btc_message_converter = converter_factory.create_btc_message_converter(self.MAGIC, opts=opts)
if use_extensions:
helpers.set_extensions_parallelism()
tx_service = ExtensionTransactionService(MockNode(
gateway_helpers.get_gateway_opts(8999)), 0)
else:
tx_service = TransactionService(MockNode(
gateway_helpers.get_gateway_opts(8999)), 0)
if self.txns:
for idx, txn in enumerate(self.txns):
sha = btc_common_utils.get_txid(txn)
if idx % 2 == 0:
tx_service.assign_short_id(sha, self.short_ids[int(idx/2)])
tx_service.set_transaction_contents(sha, txn)
return tx_service, btc_message_converter
class EthMessageConverterTests(AbstractTestCase):
MAGIC = 123
def setUp(self):
self.eth_message_converter: EthAbstractMessageConverter = converter_factory.create_eth_message_converter(
gateway_helpers.get_gateway_opts(8000)
)
self.tx_service = ExtensionTransactionService(MockNode(gateway_helpers.get_gateway_opts(8000)), 0)
self.test_network_num = 12345
def test_tx_to_bx_tx__success(self):
txs = [
mock_eth_messages.get_dummy_transaction(1),
mock_eth_messages.get_dummy_transaction(2),
mock_eth_messages.get_dummy_transaction(3),
]
tx_msg = TransactionsEthProtocolMessage(None, txs)
self.assertTrue(tx_msg.rawbytes())
self.validate_tx_to_bx_txs_conversion(tx_msg, txs)
def test_tx_to_bx_tx__from_bytes_success(self):
txs = [
mock_eth_messages.get_dummy_transaction(1),
mock_eth_messages.get_dummy_transaction(2),
mock_eth_messages.get_dummy_transaction(3),
]
tx_msg = TransactionsEthProtocolMessage(None, txs)
tx_msg_bytes = tx_msg.rawbytes()
self.assertTrue(tx_msg_bytes)
tx_msg_from_bytes = TransactionsEthProtocolMessage(tx_msg_bytes)
self.validate_tx_to_bx_txs_conversion(tx_msg_from_bytes, txs)
def test_tx_to_bx_tx__filter_low_fee(self):
txs = [
mock_eth_messages.get_dummy_transaction(1, 20),
mock_eth_messages.get_dummy_transaction(2, 25),
mock_eth_messages.get_dummy_transaction(3, 10),
]
tx_msg = TransactionsEthProtocolMessage(None, txs)
results = self.eth_message_converter.tx_to_bx_txs(
tx_msg, self.test_network_num, min_tx_network_fee=15
)
self.assertEqual(2, len(results))
for i, result in enumerate(results):
bx_tx_message, tx_hash, tx_contents = result
self.assertEqual(txs[i].hash(), tx_hash)
def test_tx_to_bx_tx__from_bytes_single_tx_success(self):
txs = [
mock_eth_messages.get_dummy_transaction(1),
]
tx_msg = TransactionsEthProtocolMessage(None, txs)
tx_msg_bytes = tx_msg.rawbytes()
self.assertTrue(tx_msg_bytes)
tx_msg_from_bytes = TransactionsEthProtocolMessage(tx_msg_bytes)
self.validate_tx_to_bx_txs_conversion(tx_msg_from_bytes, txs)
def validate_tx_to_bx_txs_conversion(self, tx_msg, txs):
bx_tx_msgs = self.eth_message_converter.tx_to_bx_txs(tx_msg, self.test_network_num)
self.assertTrue(bx_tx_msgs)
self.assertEqual(len(txs), len(bx_tx_msgs))
for tx, (bx_tx_msg, tx_hash, tx_bytes) in zip(txs, bx_tx_msgs):
self.assertIsInstance(bx_tx_msg, TxMessage)
tx_obj = rlp.decode(bx_tx_msg.tx_val().tobytes(), Transaction)
self.assertEqual(tx, tx_obj)
def test_bx_tx_to_tx__success(self):
tx = mock_eth_messages.get_dummy_transaction(1)
tx_bytes = rlp.encode(tx, Transaction)
tx_hash_bytes = hashlib.sha256(tx_bytes).digest()
tx_hash = Sha256Hash(tx_hash_bytes)
bx_tx_message = TxMessage(message_hash=tx_hash, network_num=self.test_network_num, tx_val=tx_bytes)
tx_message = self.eth_message_converter.bx_tx_to_tx(bx_tx_message)
self.assertIsNotNone(tx_message)
self.assertIsInstance(tx_message, TransactionsEthProtocolMessage)
self.assertTrue(tx_message.get_transactions())
self.assertEqual(1, len(tx_message.get_transactions()))
tx_obj = tx_message.get_transactions()[0]
self.assertEqual(tx, tx_obj)
@multi_setup()
def test_block_to_bx_block__success(self):
txs = []
txs_bytes = []
txs_hashes = []
short_ids = []
used_short_ids = []
tx_count = 150
for i in range(1, tx_count):
tx = mock_eth_messages.get_dummy_transaction(1)
txs.append(tx)
tx_bytes = rlp.encode(tx, Transaction)
txs_bytes.append(tx_bytes)
tx_hash = tx.hash()
txs_hashes.append(tx_hash)
if i % 2 == 0:
self.tx_service.assign_short_id(tx_hash, i)
short_ids.append(i)
used_short_ids.append(i)
else:
short_ids.append(0)
block = Block(
mock_eth_messages.get_dummy_block_header(1),
txs,
[
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
]
)
dummy_chain_difficulty = 10
block_msg = NewBlockEthProtocolMessage(None, block, dummy_chain_difficulty)
self.assertTrue(block_msg.rawbytes())
internal_new_block_msg = InternalEthBlockInfo.from_new_block_msg(block_msg)
bx_block_msg, block_info = self.eth_message_converter.block_to_bx_block(
internal_new_block_msg, self.tx_service, True, 0
)
self.assertEqual(len(txs), block_info.txn_count)
self.assertEqual(convert.bytes_to_hex(block.header.prev_hash), block_info.prev_block_hash)
self.assertEqual(used_short_ids, list(block_info.short_ids))
self.assertTrue(bx_block_msg)
self.assertIsInstance(bx_block_msg, memoryview)
block_offsets = compact_block_short_ids_serializer.get_bx_block_offsets(bx_block_msg)
parsed_short_ids, short_ids_len = compact_block_short_ids_serializer.deserialize_short_ids_from_buffer(
bx_block_msg, block_offsets.short_id_offset
)
compact_block = rlp.decode(
bx_block_msg[block_offsets.block_begin_offset: block_offsets.short_id_offset].tobytes(),
CompactBlock
)
self.assertTrue(compact_block)
self.assertIsInstance(compact_block, CompactBlock)
self._assert_values_equal(compact_block.header, block.header)
self._assert_values_equal(compact_block.uncles, block.uncles)
self.assertEqual(len(compact_block.transactions), len(block.transactions))
short_tx_index = 0
for tx, short_tx, i in zip(block.transactions, compact_block.transactions, range(1, tx_count)):
self.assertIsInstance(tx, Transaction)
self.assertIsInstance(short_tx, ShortTransaction)
if i % 2 == 0:
self.assertEqual(0, short_tx.full_transaction)
self.assertEqual(short_ids[i - 1], parsed_short_ids[short_tx_index])
self.assertEqual(short_tx.transaction_bytes, bytes())
short_tx_index += 1
else:
self.assertEqual(1, short_tx.full_transaction)
self.assertEqual(short_tx.transaction_bytes, txs_bytes[i - 1])
self.assertEqual(compact_block.chain_difficulty, block_msg.chain_difficulty)
@multi_setup()
def test_block_to_bx_block__short_ids_min_time(self):
txs = []
txs_bytes = []
txs_hashes = []
short_ids = []
used_short_ids = []
tx_count = 150
for i in range(1, tx_count):
tx = mock_eth_messages.get_dummy_transaction(1)
txs.append(tx)
tx_bytes = rlp.encode(tx, Transaction)
txs_bytes.append(tx_bytes)
tx_hash = tx.hash()
txs_hashes.append(tx_hash)
self.tx_service.assign_short_id(tx_hash, i)
short_ids.append(i)
used_short_ids.append(i)
block = Block(
mock_eth_messages.get_dummy_block_header(1),
txs,
[
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
]
)
dummy_chain_difficulty = 10
block_msg = NewBlockEthProtocolMessage(None, block, dummy_chain_difficulty)
self.assertTrue(block_msg.rawbytes())
internal_new_block_msg = InternalEthBlockInfo.from_new_block_msg(block_msg)
bx_block_msg, block_info = self.eth_message_converter.block_to_bx_block(
internal_new_block_msg, self.tx_service, True, 2
)
self.assertEqual(len(txs), block_info.txn_count)
self.assertEqual(convert.bytes_to_hex(block.header.prev_hash), block_info.prev_block_hash)
self.assertEqual([], list(block_info.short_ids))
self.assertTrue(bx_block_msg)
self.assertIsInstance(bx_block_msg, memoryview)
block_offsets = compact_block_short_ids_serializer.get_bx_block_offsets(bx_block_msg)
parsed_short_ids, short_ids_len = compact_block_short_ids_serializer.deserialize_short_ids_from_buffer(
bx_block_msg, block_offsets.short_id_offset
)
compact_block = rlp.decode(
bx_block_msg[block_offsets.block_begin_offset: block_offsets.short_id_offset].tobytes(),
CompactBlock
)
self.assertTrue(compact_block)
self.assertIsInstance(compact_block, CompactBlock)
self.assertEqual([], parsed_short_ids)
self._assert_values_equal(compact_block.header, block.header)
self._assert_values_equal(compact_block.uncles, block.uncles)
self.assertEqual(len(compact_block.transactions), len(block.transactions))
for tx, short_tx, i in zip(block.transactions, compact_block.transactions, range(1, tx_count)):
self.assertIsInstance(tx, Transaction)
self.assertIsInstance(short_tx, ShortTransaction)
self.assertEqual(1, short_tx.full_transaction)
self.assertEqual(short_tx.transaction_bytes, txs_bytes[i - 1])
self.assertEqual(compact_block.chain_difficulty, block_msg.chain_difficulty)
@multi_setup()
def test_block_to_bx_block__empty_block_success(self):
block = Block(mock_eth_messages.get_dummy_block_header(8), [], [])
dummy_chain_difficulty = 10
block_msg = NewBlockEthProtocolMessage(None, block, dummy_chain_difficulty)
self.assertTrue(block_msg.rawbytes())
internal_new_block_msg = InternalEthBlockInfo.from_new_block_msg(block_msg)
bx_block_msg, block_info = self.eth_message_converter.block_to_bx_block(
internal_new_block_msg, self.tx_service, True, 0
)
self.assertEqual(0, block_info.txn_count)
self.assertEqual(convert.bytes_to_hex(block.header.prev_hash), block_info.prev_block_hash)
self.assertTrue(bx_block_msg)
self.assertIsInstance(bx_block_msg, memoryview)
block_offsets = compact_block_short_ids_serializer.get_bx_block_offsets(bx_block_msg)
_, short_ids_len = compact_block_short_ids_serializer.deserialize_short_ids_from_buffer(
bx_block_msg,
block_offsets.short_id_offset
)
compact_block = rlp.decode(
bx_block_msg[block_offsets.block_begin_offset: block_offsets.short_id_offset].tobytes(),
CompactBlock
)
self.assertTrue(compact_block)
self.assertIsInstance(compact_block, CompactBlock)
self._assert_values_equal(compact_block.header, block.header)
self.assertEqual(0, len(compact_block.uncles))
self.assertEqual(0, len(compact_block.transactions))
self.assertEqual(compact_block.chain_difficulty, block_msg.chain_difficulty)
@multi_setup()
def test_bx_block_to_block__success(self):
tx_count = 1500
txs = []
short_txs = []
short_ids = []
for i in range(1, tx_count):
tx = mock_eth_messages.get_dummy_transaction(1)
txs.append(tx)
tx_bytes = rlp.encode(tx, Transaction)
tx_hash = hashlib.sha256(tx_bytes).digest()
self.tx_service.assign_short_id(tx_hash, i)
self.tx_service.set_transaction_contents(tx_hash, tx_bytes)
short_tx = ShortTransaction(0, bytes())
short_ids.append(i)
short_txs.append(short_tx)
dummy_chain_difficulty = 2000000
dummy_block_number = 0
compact_block = CompactBlock(mock_eth_messages.get_dummy_block_header(7),
short_txs,
[
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3)
],
dummy_chain_difficulty,
dummy_block_number)
compact_block_msg_bytes = bytearray(constants.UL_ULL_SIZE_IN_BYTES)
compact_block_msg_bytes.extend(rlp.encode(compact_block, CompactBlock))
short_ids_offset = len(compact_block_msg_bytes)
struct.pack_into("<Q", compact_block_msg_bytes, 0, short_ids_offset)
compact_block_bytes = compact_block_short_ids_serializer.serialize_short_ids_into_bytes(short_ids)
compact_block_msg_bytes.extend(compact_block_bytes)
compact_block_hash_bytes = hashlib.sha256(compact_block_msg_bytes).digest()
compact_block_hash = Sha256Hash(compact_block_hash_bytes)
bx_block_msg = BroadcastMessage(compact_block_hash, self.test_network_num, is_encrypted=True,
blob=compact_block_msg_bytes)
block_msg, block_info, unknown_tx_sids, unknown_tx_hashes = self.eth_message_converter.bx_block_to_block(
bx_block_msg.blob(), self.tx_service)
self.assertTrue(block_msg)
self.assertIsInstance(block_msg, InternalEthBlockInfo)
self.assertEqual(block_msg.block_hash(), block_info.block_hash)
new_block_msg = block_msg.to_new_block_msg()
block = new_block_msg.get_block()
self._assert_values_equal(compact_block.header, block.header)
self._assert_values_equal(compact_block.uncles, block.uncles)
self.assertEqual(len(compact_block.transactions), len(block.transactions))
for block_tx, i in zip(block.transactions, range(0, tx_count - 1)):
self.assertIsInstance(block_tx, Transaction)
self._assert_values_equal(block_tx, txs[i])
self.assertEqual(compact_block.chain_difficulty, new_block_msg.chain_difficulty)
@multi_setup()
def test_bx_block_to_block__full_txs_success(self):
tx_count = 150
txs = []
short_txs = []
short_ids = []
for i in range(1, tx_count):
tx = mock_eth_messages.get_dummy_transaction(1)
txs.append(tx)
tx_bytes = rlp.encode(tx, Transaction)
if i % 2 == 0:
tx_hash = hashlib.sha256(tx_bytes).digest()
self.tx_service.assign_short_id(tx_hash, i)
self.tx_service.set_transaction_contents(tx_hash, tx_bytes)
short_tx = ShortTransaction(0, bytes())
short_txs.append(short_tx)
short_ids.append(i)
else:
short_tx = ShortTransaction(1, tx_bytes)
short_txs.append(short_tx)
dummy_chain_difficulty = 20
dummy_block_number = 10
compact_block = CompactBlock(mock_eth_messages.get_dummy_block_header(8),
short_txs,
[
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3)
],
dummy_chain_difficulty,
dummy_block_number)
compact_block_msg_bytes = bytearray(constants.UL_ULL_SIZE_IN_BYTES)
compact_block_msg_bytes.extend(rlp.encode(compact_block, CompactBlock))
short_ids_offset = len(compact_block_msg_bytes)
struct.pack_into("<Q", compact_block_msg_bytes, 0, short_ids_offset)
compact_block_bytes = compact_block_short_ids_serializer.serialize_short_ids_into_bytes(short_ids)
compact_block_msg_bytes.extend(compact_block_bytes)
compact_block_hash_bytes = hashlib.sha256(compact_block_msg_bytes).digest()
compact_block_hash = Sha256Hash(compact_block_hash_bytes)
bx_block_msg = BroadcastMessage(compact_block_hash, self.test_network_num, is_encrypted=True,
blob=compact_block_msg_bytes)
block_msg, block_info, unknown_tx_sids, unknown_tx_hashes = self.eth_message_converter.bx_block_to_block(
bx_block_msg.blob(), self.tx_service)
self.assertTrue(block_msg)
self.assertIsInstance(block_msg, InternalEthBlockInfo)
new_block_msg = block_msg.to_new_block_msg()
block = new_block_msg.get_block()
self._assert_values_equal(compact_block.header, block.header)
self._assert_values_equal(compact_block.uncles, block.uncles)
self.assertEqual(len(compact_block.transactions), len(block.transactions))
for block_tx, i in zip(block.transactions, range(0, tx_count - 1)):
self.assertIsInstance(block_tx, Transaction)
self._assert_values_equal(block_tx, txs[i])
self.assertEqual(compact_block.chain_difficulty, new_block_msg.chain_difficulty)
@multi_setup()
def test_block_to_bx_block_then_bx_block_to_block__success(self):
txs = []
txs_bytes = []
txs_hashes = []
short_ids = []
tx_count = 150
for i in range(1, tx_count):
tx = mock_eth_messages.get_dummy_transaction(i)
txs.append(tx)
tx_bytes = rlp.encode(tx, Transaction)
txs_bytes.append(tx_bytes)
tx_hash = tx.hash()
txs_hashes.append(tx_hash)
self.tx_service.assign_short_id(tx_hash, i)
self.tx_service.set_transaction_contents(tx_hash, tx_bytes)
short_ids.append(i)
block = Block(mock_eth_messages.get_dummy_block_header(100), txs, [mock_eth_messages.get_dummy_block_header(2)])
dummy_chain_difficulty = 40000000
block_msg = NewBlockEthProtocolMessage(None, block, dummy_chain_difficulty)
block_msg_bytes = block_msg.rawbytes()
self.assertTrue(block_msg_bytes)
internal_new_block_msg = InternalEthBlockInfo.from_new_block_msg(block_msg)
bx_block_msg, block_info = self.eth_message_converter.block_to_bx_block(
internal_new_block_msg, self.tx_service, True, 0
)
self.assertIsNotNone(bx_block_msg)
self.assertEqual(len(txs), block_info.txn_count)
self.assertEqual(convert.bytes_to_hex(block.header.prev_hash), block_info.prev_block_hash)
converted_block_msg, _, _, _ = self.eth_message_converter.bx_block_to_block(bx_block_msg, self.tx_service)
self.assertIsNotNone(converted_block_msg)
converted_new_block_msg = converted_block_msg.to_new_block_msg()
converted_block_msg_bytes = converted_new_block_msg.rawbytes()
self.assertEqual(len(converted_block_msg_bytes), len(block_msg_bytes))
self.assertEqual(converted_block_msg_bytes, block_msg_bytes)
@multi_setup()
def test_block_to_bx_block__no_compressed_block(self):
txs = []
txs_bytes = []
txs_hashes = []
short_ids = []
used_short_ids = []
tx_count = 150
for i in range(1, tx_count):
tx = mock_eth_messages.get_dummy_transaction(1)
txs.append(tx)
tx_bytes = rlp.encode(tx, Transaction)
txs_bytes.append(tx_bytes)
tx_hash = tx.hash()
txs_hashes.append(tx_hash)
short_ids.append(0)
block = Block(
mock_eth_messages.get_dummy_block_header(1),
txs,
[
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
]
)
dummy_chain_difficulty = 10
block_msg = NewBlockEthProtocolMessage(None, block, dummy_chain_difficulty)
self.assertTrue(block_msg.rawbytes())
internal_new_block_msg = InternalEthBlockInfo.from_new_block_msg(block_msg)
bx_block_msg, block_info = self.eth_message_converter.block_to_bx_block(
internal_new_block_msg, self.tx_service, False, 0
)
self.assertTrue(len(bx_block_msg) >= len(internal_new_block_msg.rawbytes()))
self.assertEqual(len(txs), block_info.txn_count)
self.assertEqual(convert.bytes_to_hex(block.header.prev_hash), block_info.prev_block_hash)
self.assertEqual(used_short_ids, list(block_info.short_ids))
self.assertTrue(bx_block_msg)
self.assertIsInstance(bx_block_msg, memoryview)
block_offsets = compact_block_short_ids_serializer.get_bx_block_offsets(bx_block_msg)
compact_block = rlp.decode(
bx_block_msg[block_offsets.block_begin_offset: block_offsets.short_id_offset].tobytes(),
CompactBlock
)
self.assertTrue(compact_block)
self.assertIsInstance(compact_block, CompactBlock)
self._assert_values_equal(compact_block.header, block.header)
self._assert_values_equal(compact_block.uncles, block.uncles)
self.assertEqual(len(compact_block.transactions), len(block.transactions))
for tx, short_tx, i in zip(block.transactions, compact_block.transactions, range(1, tx_count)):
self.assertIsInstance(tx, Transaction)
self.assertIsInstance(short_tx, ShortTransaction)
self.assertEqual(1, short_tx.full_transaction)
self.assertEqual(short_tx.transaction_bytes, txs_bytes[i - 1])
self.assertEqual(compact_block.chain_difficulty, block_msg.chain_difficulty)
converted_block_msg, _, _, _ = self.eth_message_converter.bx_block_to_block(bx_block_msg, self.tx_service)
self.assertIsNotNone(converted_block_msg)
def _assert_values_equal(self, actual_value, expected_value, ):
if isinstance(expected_value, collections.Iterable) and \
not isinstance(expected_value, bytearray) and \
not isinstance(expected_value, str):
for actual_item_value, expected_item_value in zip(actual_value, expected_value):
self._assert_values_equal(actual_item_value, expected_item_value)
elif isinstance(expected_value, rlp.Serializable):
for serializer_field in expected_value.fields:
serializer_field_name, _ = serializer_field
actual_field_value = getattr(actual_value, serializer_field_name)
expected_field_value = getattr(expected_value, serializer_field_name)
self._assert_values_equal(actual_field_value, expected_field_value)
else:
self.assertEqual(actual_value, expected_value)
def init(self, use_extensions: bool):
opts = Namespace()
opts.use_extensions = use_extensions
opts.enable_eth_extensions = use_extensions # TODO remove
opts.import_extensions = use_extensions
opts.tx_mem_pool_bucket_size = DEFAULT_TX_MEM_POOL_BUCKET_SIZE
eth_message_converter = converter_factory.create_eth_message_converter(opts=opts)
if use_extensions:
helpers.set_extensions_parallelism()
tx_service = ExtensionTransactionService(MockNode(
gateway_helpers.get_gateway_opts(8999)), 0)
else:
tx_service = TransactionService(MockNode(
gateway_helpers.get_gateway_opts(8999)), 0)
return tx_service, eth_message_converter