Publish submitted txs via zmq

utils/python-rpc/framework/zmq.py

@@ -0,0 +1,49 @@
+# Copyright (c) 2018-2022, The Monero Project
+
+# 
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+# 
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+# 
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other
+#    materials provided with the distribution.
+# 
+# 3. Neither the name of the copyright holder nor the names of its contributors may be
+#    used to endorse or promote products derived from this software without specific
+#    prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Class to subscribe to and receive ZMQ events."""
+
+import zmq
+import json
+
+class Zmq(object):
+
+    def __init__(self, protocol='tcp', host='127.0.0.1', port=0, idx=0):
+        self.host = host
+        self.port = port
+        self.socket = zmq.Context().socket(zmq.SUB)
+        self.socket.connect('{protocol}://{host}:{port}'.format(protocol=protocol, host=host, port=port if port else 18480+idx))
+
+    def sub(self, topic):
+        self.socket.setsockopt_string(zmq.SUBSCRIBE, topic)
+
+    def recv(self, topic):
+        msg = self.socket.recv()
+        data = msg.decode().split(topic + ":")[1]
+        return json.loads(data)