test: add option to speed up tx relay/mempool sync

when `self.noban_tx_relay=True`, the following flag
`-whitelist=noban,in,out@127.0.0.1`is added to `extra_args`
to speed up tx relay/mempool sync.

1 files changed, 3 insertions, 5 deletions

diff --git a/test/functional/interface_zmq.py b/test/functional/interface_zmq.py
index 2358dd4387..6fe088c2b0 100755
--- a/test/functional/interface_zmq.py
+++ b/test/functional/interface_zmq.py
@@ -104,9 +104,8 @@ class ZMQTestSetupBlock:
 class ZMQTest (BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 2
-        # This test isn't testing txn relay/timing, so set whitelist on the
-        # peers for instant txn relay. This speeds up the test run time 2-3x.
-        self.extra_args = [["-whitelist=noban@127.0.0.1"]] * self.num_nodes
+        # whitelist peers to speed up tx relay / mempool sync
+        self.noban_tx_relay = True
         self.zmq_port_base = p2p_port(self.num_nodes + 1)
 
     def skip_test_if_missing_module(self):
@@ -138,8 +137,7 @@ class ZMQTest (BitcoinTestFramework):
                 socket.setsockopt(zmq.IPV6, 1)
             subscribers.append(ZMQSubscriber(socket, topic.encode()))
 
-        self.restart_node(0, [f"-zmqpub{topic}={address}" for topic, address in services] +
-                             self.extra_args[0])
+        self.restart_node(0, [f"-zmqpub{topic}={address}" for topic, address in services])
 
         for i, sub in enumerate(subscribers):
             sub.socket.connect(services[i][1])