neobytes/contrib/zmq/zmq_sub.py
PastaPastaPasta 1e74bcace9 [ZMQ] Notify when an IS double spend is attempted (#2262)
* Implement IS Double spend notifications in zmq

* copy/paste error

* typo

* Send both conflicting and conflicts against as ZMQ notifications

* CTransaction based not hash based

* @UdjinM6 requested changes
2018-09-12 14:12:44 +03:00

78 lines
3.2 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright (c) 2014-2016 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
import binascii
import zmq
import struct
port = 28332
zmqContext = zmq.Context()
zmqSubSocket = zmqContext.socket(zmq.SUB)
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashblock")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashtx")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashtxlock")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashgovernancevote")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashgovernanceobject")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashinstantsenddoublespend")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"rawblock")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"rawtx")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"rawtxlock")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"rawgovernancevote")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"rawgovernanceobject")
zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"rawinstantsenddoublespend")
zmqSubSocket.connect("tcp://127.0.0.1:%i" % port)
try:
while True:
msg = zmqSubSocket.recv_multipart()
topic = str(msg[0].decode("utf-8"))
body = msg[1]
sequence = "Unknown"
if len(msg[-1]) == 4:
msgSequence = struct.unpack('<I', msg[-1])[-1]
sequence = str(msgSequence)
if topic == "hashblock":
print('- HASH BLOCK ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "hashtx":
print ('- HASH TX ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "hashtxlock":
print('- HASH TX LOCK ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "rawblock":
print('- RAW BLOCK HEADER ('+sequence+') -')
print(binascii.hexlify(body[:80]).decode("utf-8"))
elif topic == "rawtx":
print('- RAW TX ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "rawtxlock":
print('- RAW TX LOCK ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "rawinstantsenddoublespend":
print('- RAW IS DOUBLE SPEND ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "hashgovernancevote":
print('- HASH GOVERNANCE VOTE ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "hashgovernanceobject":
print('- HASH GOVERNANCE OBJECT ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "rawgovernancevote":
print('- RAW GOVERNANCE VOTE ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "rawgovernanceobject":
print('- RAW GOVERNANCE OBJECT ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
elif topic == "hashinstantsenddoublespend":
print('- HASH IS DOUBLE SPEND ('+sequence+') -')
print(binascii.hexlify(body).decode("utf-8"))
except KeyboardInterrupt:
zmqContext.destroy()