diff options
| author | Gregory Sanders <gsanders87@gmail.com> | 2020-09-01 15:14:58 -0400 |
|---|---|---|
| committer | Gregory Sanders <gsanders87@gmail.com> | 2020-09-22 11:34:30 -0400 |
| commit | 759d94e70f6844443106404882c7b105f3a4dba7 (patch) | |
| tree | 21d8c98214a1e6e24c86f42fbe6d1ef8b59d634e /contrib | |
| parent | 68c3c7e1bdd00bbe7d70592a8eb39520fa3f87f1 (diff) | |
| download | bitcoin-759d94e70f6844443106404882c7b105f3a4dba7.tar.xz | |
Update zmq notification documentation and sample consumer
Diffstat (limited to 'contrib')
| -rwxr-xr-x | contrib/zmq/zmq_sub.py | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/contrib/zmq/zmq_sub.py b/contrib/zmq/zmq_sub.py index 06893407f5..8b8503331d 100755 --- a/contrib/zmq/zmq_sub.py +++ b/contrib/zmq/zmq_sub.py @@ -11,7 +11,8 @@ -zmqpubrawtx=tcp://127.0.0.1:28332 \ -zmqpubrawblock=tcp://127.0.0.1:28332 \ -zmqpubhashtx=tcp://127.0.0.1:28332 \ - -zmqpubhashblock=tcp://127.0.0.1:28332 + -zmqpubhashblock=tcp://127.0.0.1:28332 \ + -zmqpubsequence=tcp://127.0.0.1:28332 We use the asyncio library here. `self.handle()` installs itself as a future at the end of the function. Since it never returns with the event @@ -47,16 +48,14 @@ class ZMQHandler(): self.zmqSubSocket.setsockopt_string(zmq.SUBSCRIBE, "hashtx") self.zmqSubSocket.setsockopt_string(zmq.SUBSCRIBE, "rawblock") self.zmqSubSocket.setsockopt_string(zmq.SUBSCRIBE, "rawtx") + self.zmqSubSocket.setsockopt_string(zmq.SUBSCRIBE, "sequence") self.zmqSubSocket.connect("tcp://127.0.0.1:%i" % port) async def handle(self) : - msg = await self.zmqSubSocket.recv_multipart() - topic = msg[0] - body = msg[1] + topic, body, seq = await self.zmqSubSocket.recv_multipart() sequence = "Unknown" - if len(msg[-1]) == 4: - msgSequence = struct.unpack('<I', msg[-1])[-1] - sequence = str(msgSequence) + if len(seq) == 4: + sequence = str(struct.unpack('<I', seq)[-1]) if topic == b"hashblock": print('- HASH BLOCK ('+sequence+') -') print(binascii.hexlify(body)) @@ -69,6 +68,12 @@ class ZMQHandler(): elif topic == b"rawtx": print('- RAW TX ('+sequence+') -') print(binascii.hexlify(body)) + elif topic == b"sequence": + hash = binascii.hexlify(body[:32]) + label = chr(body[32]) + mempool_sequence = None if len(body) != 32+1+8 else struct.unpack("<Q", body[32+1:])[0] + print('- SEQUENCE ('+sequence+') -') + print(hash, label, mempool_sequence) # schedule ourselves to receive the next message asyncio.ensure_future(self.handle()) |