Created
December 9, 2022 15:35
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import zmq | |
from binascii import hexlify as h, unhexlify as u | |
from symbolchain.facade.SymbolFacade import SymbolFacade | |
from symbolchain.CryptoTypes import Hash256 | |
from symbolchain.sc import BlockFactory | |
context = zmq.Context() | |
# Socket to talk to server | |
print('Connecting to server…') | |
socket = context.socket(zmq.SUB) | |
socket.connect('tcp://localhost:7902') | |
block_marker = u('9FF2D8E480CA6A49')[::-1] | |
finalized_marker = u('4D4832A031CE7954')[::-1] | |
drop_marker = u('5C20D68AEE25B0B0')[::-1] | |
socket.setsockopt(zmq.SUBSCRIBE, block_marker) | |
socket.setsockopt(zmq.SUBSCRIBE, finalized_marker) | |
socket.setsockopt(zmq.SUBSCRIBE, drop_marker) | |
transaction_marker = b'a' | |
transaction_status_marker = b's' # 0x73 | |
ut_add_marker = b'u' # 0x75 | |
ut_del_marker = b'r' # 0x72 | |
socket.setsockopt(zmq.SUBSCRIBE, transaction_marker) | |
socket.setsockopt(zmq.SUBSCRIBE, transaction_status_marker) | |
socket.setsockopt(zmq.SUBSCRIBE, ut_add_marker) | |
socket.setsockopt(zmq.SUBSCRIBE, ut_del_marker) | |
facade = SymbolFacade('mainnet') | |
while True: | |
topic = socket.recv() | |
if block_marker == topic: | |
block_header = socket.recv() | |
entity_hash = Hash256(socket.recv()) | |
generation_hash = Hash256(socket.recv()) | |
header = BlockFactory.deserialize(block_header) | |
print(f'block height: {header.height} ({header.height.value}) entity_hash {entity_hash} generation_hash {generation_hash}') | |
print(f'block harvested by: {header.signer_public_key} {facade.network.public_key_to_address(header.signer_public_key)}') | |
print(f'block transactions: {header.transactions}') | |
elif finalized_marker == topic: | |
body_part_1 = socket.recv() | |
finalization_round = int.from_bytes(body_part_1[0:8], byteorder='little') | |
finalizated_height = int.from_bytes(body_part_1[8:16], byteorder='little') | |
entity_hash = Hash256(body_part_1[16:]) | |
print(f'FINALIZED height: {finalization_round} ({finalizated_height}) entity_hash {entity_hash}') | |
elif drop_marker == topic: | |
body_part_1 = socket.recv() | |
height = int.from_bytes(body_part_1[0:8], byteorder='little') | |
print(f'drop after height: {height}') | |
elif ut_add_marker[0] == topic[0] or transaction_marker[0] == topic[0]: # mind [0] | |
message = 'UT add' if ut_add_marker[0] == topic[0] else 'transaction add' | |
# rest of the topic contains address | |
address = SymbolFacade.Address(topic[1:]) | |
transaction = socket.recv() | |
entity_hash = Hash256(socket.recv()) | |
merkle_component_hash = Hash256(socket.recv()) | |
body_part_1 = socket.recv() | |
height = int.from_bytes(body_part_1[0:8], byteorder='little') | |
print(f'{message} {address} {entity_hash} {height}') | |
elif ut_del_marker[0] == topic[0]: # mind [0]: | |
entity_hash = Hash256(socket.recv()) | |
print(f'UT del {entity_hash} {height}') | |
else: | |
print(f'unknown [ {len(topic)} {topic} ]') |
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