def test_block_headers_request(self):
get_headers = GetBlockHeadersEthProtocolMessage(None, self.BLOCK_HASH, 111, 222, 0)
# Reply with empty headers to the first get headers request for fast sync mode support
get_headers_frames = map(self.eth_node_cipher.encrypt_frame,
frame_utils.get_frames(get_headers.msg_type, get_headers.rawbytes()))
for get_headers_frame in get_headers_frames:
helpers.receive_node_message(self.gateway_node, self.local_node_fileno, get_headers_frame)
self.eth_remote_node_connection.enqueue_msg.assert_not_called()
self.eth_node_connection.enqueue_msg.assert_called_once_with(BlockHeadersEthProtocolMessage(None, []))
# The second get headers message should be proxied to remote blockchain node
get_headers_frames = map(self.eth_node_cipher.encrypt_frame,
frame_utils.get_frames(get_headers.msg_type, get_headers.rawbytes()))
for get_headers_frame in get_headers_frames:
helpers.receive_node_message(self.gateway_node, self.local_node_fileno, get_headers_frame)
self.eth_remote_node_connection.enqueue_msg.assert_called_once_with(get_headers)
headers = BlockHeadersEthProtocolMessage(None, [
mock_eth_messages.get_dummy_block_header(1), mock_eth_messages.get_dummy_block_header(2)
])
headers_frames = map(self.eth_node_cipher.encrypt_frame,
frame_utils.get_frames(headers.msg_type, headers.rawbytes()))
for headers_frame in headers_frames:
helpers.receive_node_message(self.gateway_node, self.remote_node_fileno, headers_frame)
self.eth_node_connection.enqueue_msg.assert_called_with(headers)
def test_block_bodies_msg_from_bodies_bytes(self):
txs = []
txs_bytes = []
txs_hashes = []
tx_count = 10
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)
uncles = [
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
]
block_body = TransientBlockBody(txs, uncles)
block_body_bytes = memoryview(
rlp.encode(TransientBlockBody.serialize(block_body)))
block_bodies_msg = BlockBodiesEthProtocolMessage.from_body_bytes(
block_body_bytes)
self.assertEqual(1, len(block_bodies_msg.get_blocks()))
self.assertEqual(1, len(block_bodies_msg.get_block_bodies_bytes()))
self.assertEqual(block_body, block_bodies_msg.get_blocks()[0])
self.assertEqual(block_body_bytes,
block_bodies_msg.get_block_bodies_bytes()[0])
def test_block_header_eth_message(self):
self._test_msg_serialization(
BlockHeadersEthProtocolMessage,
False,
[
mock_eth_messages.get_dummy_block_header(1),
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
],
)
def test_new_block_parts_to_new_block_message(self):
txs = []
txs_bytes = []
txs_hashes = []
tx_count = 10
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)
block_header = mock_eth_messages.get_dummy_block_header(1)
uncles = [
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
]
block = Block(block_header, txs, uncles)
dummy_chain_difficulty = 10
new_block_msg = NewBlockEthProtocolMessage(None, block,
dummy_chain_difficulty)
self.assertTrue(new_block_msg.rawbytes())
block_body = TransientBlockBody(txs, uncles)
block_bytes = rlp.encode(Block.serialize(block))
block_header_bytes = memoryview(
rlp.encode(BlockHeader.serialize(block_header)))
block_body_bytes = memoryview(
rlp.encode(TransientBlockBody.serialize(block_body)))
self.assertEqual(len(block_bytes),
len(block_header_bytes) + len(block_body_bytes))
internal_new_block_msg = InternalEthBlockInfo.from_new_block_msg(
new_block_msg)
new_block_parts = internal_new_block_msg.to_new_block_parts()
new_block_msg_from_block_parts = NewBlockEthProtocolMessage.from_new_block_parts(
new_block_parts, dummy_chain_difficulty)
self.assertEqual(len(new_block_msg.rawbytes()),
len(new_block_msg_from_block_parts.rawbytes()))
self.assertEqual(new_block_msg.rawbytes(),
new_block_msg_from_block_parts.rawbytes())
self.assertEqual(new_block_msg_from_block_parts.get_chain_difficulty(),
dummy_chain_difficulty)
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)
def test_new_block_internal_eth_message_to_from_new_block_parts(self):
txs = []
txs_bytes = []
txs_hashes = []
tx_count = 10
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)
block_header = mock_eth_messages.get_dummy_block_header(1)
uncles = [
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
]
block_number = 100000
block_body = TransientBlockBody(txs, uncles)
block_header_bytes = memoryview(
rlp.encode(BlockHeader.serialize(block_header)))
block_body_bytes = memoryview(
rlp.encode(TransientBlockBody.serialize(block_body)))
new_block_parts = NewBlockParts(block_header_bytes, block_body_bytes,
block_number)
new_block_internal_eth_msg = InternalEthBlockInfo.from_new_block_parts(
new_block_parts)
self.assertIsNotNone(new_block_internal_eth_msg)
self.assertTrue(new_block_internal_eth_msg.rawbytes())
parsed_new_block_parts = new_block_internal_eth_msg.to_new_block_parts(
)
self.assertIsInstance(parsed_new_block_parts, NewBlockParts)
self.assertEqual(block_header_bytes,
parsed_new_block_parts.block_header_bytes)
self.assertEqual(block_body_bytes,
parsed_new_block_parts.block_body_bytes)
self.assertEqual(block_number, parsed_new_block_parts.block_number)
def test_new_block_internal_eth_message_to_from_new_block_message(self):
txs = []
txs_bytes = []
txs_hashes = []
tx_count = 10
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)
block_header = mock_eth_messages.get_dummy_block_header(1)
uncles = [
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
]
block = Block(block_header, txs, uncles)
dummy_chain_difficulty = 10
block_msg = NewBlockEthProtocolMessage(None, block,
dummy_chain_difficulty)
self.assertTrue(block_msg.rawbytes())
new_block_internal_eth_msg = InternalEthBlockInfo.from_new_block_msg(
block_msg)
self.assertIsNotNone(new_block_internal_eth_msg)
self.assertTrue(new_block_internal_eth_msg.rawbytes())
parsed_new_block_message = new_block_internal_eth_msg.to_new_block_msg(
)
self.assertIsInstance(parsed_new_block_message,
NewBlockEthProtocolMessage)
self.assertEqual(len(block_msg.rawbytes()),
len(parsed_new_block_message.rawbytes()))
self.assertEqual(
convert.bytes_to_hex(block_msg.rawbytes()),
convert.bytes_to_hex(parsed_new_block_message.rawbytes()),
)
def test_msg_get_block_headers_known_single(self):
header = mock_eth_messages.get_dummy_block_header(12)
block = mock_eth_messages.get_dummy_block(1, header)
raw_hash = header.hash()
block_hash = header.hash_object()
new_block_message = NewBlockEthProtocolMessage(None, block, 10)
eth_block_info = InternalEthBlockInfo.from_new_block_msg(
new_block_message
)
self.node.block_queuing_service_manager.push(block_hash, eth_block_info)
self.enqueued_messages.clear()
self.sut.msg_proxy_request = MagicMock()
message = GetBlockHeadersEthProtocolMessage(None, raw_hash, 1, 0, 0)
self.sut.msg_get_block_headers(message)
self.sut.msg_proxy_request.assert_not_called()
self.assertEqual(1, len(self.enqueued_messages))
headers_sent = self.enqueued_messages[0]
self.assertIsInstance(headers_sent, BlockHeadersEthProtocolMessage)
self.assertEqual(1, len(headers_sent.get_block_headers()))
self.assertEqual(
block_hash, headers_sent.get_block_headers()[0].hash_object()
)
self.block_queuing_service.mark_block_seen_by_blockchain_node(
block_hash, eth_block_info
)
self.sut.msg_get_block_headers(message)
self.sut.msg_proxy_request.assert_not_called()
self.assertEqual(2, len(self.enqueued_messages))
def test_msg_get_block_headers_block_number(self):
block_number = 123456
header = mock_eth_messages.get_dummy_block_header(
12, block_number=block_number
)
block = mock_eth_messages.get_dummy_block(1, header)
block_hash = header.hash_object()
new_block_message = NewBlockEthProtocolMessage(None, block, 10)
eth_block_info = InternalEthBlockInfo.from_new_block_msg(
new_block_message
)
self.node.block_queuing_service_manager.push(block_hash, eth_block_info)
self.enqueued_messages.clear()
self.sut.msg_proxy_request = MagicMock()
block_number_bytes = struct.pack(">I", block_number)
message = GetBlockHeadersEthProtocolMessage(
None, block_number_bytes, 1, 0, 0
)
self.sut.msg_get_block_headers(message)
self.sut.msg_proxy_request.assert_not_called()
self.assertEqual(1, len(self.enqueued_messages))
headers_sent = self.enqueued_messages[0]
self.assertIsInstance(headers_sent, BlockHeadersEthProtocolMessage)
self.assertEqual(1, len(headers_sent.get_block_headers()))
self.assertEqual(
block_hash, headers_sent.get_block_headers()[0].hash_object()
)
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)
def test_complete_header_body_recovery(self):
self.node.block_processing_service.queue_block_for_processing = MagicMock()
self.node.block_queuing_service_manager.push = MagicMock()
self.node.on_block_seen_by_blockchain_node = MagicMock(return_value=False)
self.sut.is_valid_block_timestamp = MagicMock(return_value=True)
header = mock_eth_messages.get_dummy_block_header(1)
block = mock_eth_messages.get_dummy_block(1, header)
block_hash = header.hash_object()
new_block_hashes_message = NewBlockHashesEthProtocolMessage.from_block_hash_number_pair(
block_hash, 1
)
header_message = BlockHeadersEthProtocolMessage(None, [header])
bodies_message = BlockBodiesEthProtocolMessage(None, [TransientBlockBody(block.transactions, block.uncles)])
self.sut.msg_new_block_hashes(new_block_hashes_message)
self.node.on_block_seen_by_blockchain_node.assert_called_once()
self.assertEqual(1, len(self.sut.pending_new_block_parts.contents))
self.assertEqual(2, len(self.enqueued_messages))
self.node.on_block_seen_by_blockchain_node.reset_mock()
self.node.on_block_seen_by_blockchain_node = MagicMock(return_value=True)
self.sut.msg_block_headers(header_message)
self.sut.msg_block_bodies(bodies_message)
self.assertEqual(1, len(gateway_bdn_performance_stats_service.interval_data.blockchain_node_to_bdn_stats))
for stats in gateway_bdn_performance_stats_service.interval_data.blockchain_node_to_bdn_stats.values():
self.assertEqual(1, stats.new_blocks_received_from_blockchain_node)
self.assertEqual(0, stats.new_blocks_received_from_bdn)
self.node.on_block_seen_by_blockchain_node.assert_called_once()
self.node.block_queuing_service_manager.push.assert_not_called()
self.node.block_processing_service.queue_block_for_processing.assert_not_called()
def test_message_tracked_correctly_when_framed(self):
block_stats.add_block_event_by_block_hash = MagicMock()
# send the handshake message
self.node.on_bytes_sent(self.connection_fileno, 307)
self.node.on_bytes_written_to_socket(self.connection_fileno, 307)
block_message = NewBlockEthProtocolMessage(
None,
mock_eth_messages.get_dummy_block(
1,
mock_eth_messages.get_dummy_block_header(5, int(time.time()))),
10)
block_message.serialize()
self.connection.enqueue_msg(block_message)
message_length = self.connection.outputbuf.length
for message in self.connection.message_tracker.messages:
print(message.length)
block_stats.add_block_event_by_block_hash.assert_not_called()
self.assertEqual(message_length,
self.connection.message_tracker.messages[0].length)
self.node.on_bytes_sent(self.connection_fileno, message_length)
self.node.on_bytes_written_to_socket(self.connection_fileno,
message_length)
block_stats.add_block_event_by_block_hash.assert_called_once()
def test_block_bodies_msg__get_block_transactions(self):
txs = []
txs_bytes = []
txs_hashes = []
tx_count = 10
for i in range(1, tx_count):
tx = mock_eth_messages.get_dummy_transaction(1)
txs.append(tx)
tx_bytes = rlp.encode(LegacyTransaction.serialize(tx))
txs_bytes.append(tx_bytes)
tx_hash = tx.hash()
txs_hashes.append(tx_hash)
al_tx = mock_eth_messages.get_dummy_access_list_transaction(11)
txs.append(al_tx)
txs_bytes.append(Transaction.serialize(al_tx))
txs_hashes.append(al_tx.hash())
uncles = [
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
]
block_body = TransientBlockBody(txs, uncles)
block_body_bytes = rlp.encode(block_body)
block_bodies_msg = BlockBodiesEthProtocolMessage.from_body_bytes(
block_body_bytes)
parsed_txs_bytes = block_bodies_msg.get_block_transaction_bytes(0)
self.assertEqual(len(parsed_txs_bytes), len(txs_hashes))
for index, parsed_tx_bytes in enumerate(parsed_txs_bytes):
self.assertEqual(
convert.bytes_to_hex(txs_bytes[index]),
convert.bytes_to_hex(parsed_tx_bytes),
f"failed at index {index}",
)
parsed_txs_hashes = block_bodies_msg.get_block_transaction_hashes(0)
self.assertEqual(len(parsed_txs_hashes), len(txs_hashes))
for index, parsed_tx_hash in enumerate(parsed_txs_hashes):
self.assertEqual(parsed_tx_hash, txs_hashes[index])
def generate_new_eth_block(self) -> NewBlockEthProtocolMessage:
block_message = NewBlockEthProtocolMessage(
None,
mock_eth_messages.get_dummy_block(1, mock_eth_messages.get_dummy_block_header(5, int(time.time()))),
10
)
block_message.serialize()
return block_message
def generate_new_eth_block(self, block_number=10) -> InternalEthBlockInfo:
block_message = NewBlockEthProtocolMessage(
None,
mock_eth_messages.get_dummy_block(
1,
mock_eth_messages.get_dummy_block_header(
5, int(time.time()), block_number=block_number)), 10)
block_message.serialize()
internal_block_message = InternalEthBlockInfo.from_new_block_msg(
block_message)
return internal_block_message
def test_new_block_parts(self):
txs = []
txs_bytes = []
txs_hashes = []
tx_count = 10
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)
block_header = mock_eth_messages.get_dummy_block_header(1)
uncles = [
mock_eth_messages.get_dummy_block_header(2),
mock_eth_messages.get_dummy_block_header(3),
]
block_number = 100000
block_body = TransientBlockBody(txs, uncles)
block_header_bytes = memoryview(
rlp.encode(BlockHeader.serialize(block_header)))
block_body_bytes = memoryview(
rlp.encode(TransientBlockBody.serialize(block_body)))
new_block_parts = NewBlockParts(block_header_bytes, block_body_bytes,
block_number)
self.assertIsInstance(new_block_parts.get_block_hash(), Sha256Hash)
self.assertIsInstance(new_block_parts.get_previous_block_hash(),
Sha256Hash)
self.assertEqual(1, new_block_parts.get_block_difficulty())
def test_block_headers_msg_from_header_bytes(self):
block_header = mock_eth_messages.get_dummy_block_header(1)
block_header_bytes = memoryview(
rlp.encode(BlockHeader.serialize(block_header)))
block_headers_msg = BlockHeadersEthProtocolMessage.from_header_bytes(
block_header_bytes)
raw_headers = block_headers_msg.get_block_headers()
headers_list = list(raw_headers)
self.assertEqual(len(headers_list), 1)
self.assertTrue(headers_list)
self.assertEqual(1, len(block_headers_msg.get_block_headers()))
self.assertEqual(1, len(block_headers_msg.get_block_headers_bytes()))
self.assertEqual(block_header,
block_headers_msg.get_block_headers()[0])
self.assertEqual(
block_header_bytes.tobytes(),
block_headers_msg.get_block_headers_bytes()[0].tobytes())
def test_complete_header_body_fetch(self):
self.node.block_processing_service.queue_block_for_processing = MagicMock()
self.sut.is_valid_block_timestamp = MagicMock(return_value=True)
header = mock_eth_messages.get_dummy_block_header(1)
block = mock_eth_messages.get_dummy_block(1, header)
block_hash = header.hash_object()
new_block_hashes_message = NewBlockHashesEthProtocolMessage.from_block_hash_number_pair(
block_hash, 1
)
header_message = BlockHeadersEthProtocolMessage(None, [header])
bodies_message = BlockBodiesEthProtocolMessage(None, [TransientBlockBody(block.transactions, block.uncles)])
self.sut.msg_new_block_hashes(new_block_hashes_message)
self.assertEqual(1, len(self.sut.pending_new_block_parts.contents))
self.assertEqual(2, len(self.enqueued_messages))
self.sut.msg_block_headers(header_message)
self.sut.msg_block_bodies(bodies_message)
self.node.block_processing_service.queue_block_for_processing.assert_called_once()
def _block_with_timestamp(timestamp):
nonce = 5
header = mock_eth_messages.get_dummy_block_header(5, int(timestamp))
block = mock_eth_messages.get_dummy_block(nonce, header)
return block
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)
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)