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-rwxr-xr-xtest/functional/interface_zmq.py25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/functional/interface_zmq.py b/test/functional/interface_zmq.py
index d1304e7765..912b667b0c 100755
--- a/test/functional/interface_zmq.py
+++ b/test/functional/interface_zmq.py
@@ -46,6 +46,7 @@ class ZMQTest (BitcoinTestFramework):
self.ctx = zmq.Context()
try:
self.test_basic()
+ self.test_reorg()
finally:
# Destroy the ZMQ context.
self.log.debug("Destroying ZMQ context")
@@ -122,5 +123,29 @@ class ZMQTest (BitcoinTestFramework):
assert_equal(self.nodes[1].getzmqnotifications(), [])
+ def test_reorg(self):
+ import zmq
+ address = 'tcp://127.0.0.1:28333'
+ socket = self.ctx.socket(zmq.SUB)
+ socket.set(zmq.RCVTIMEO, 60000)
+ socket.connect(address)
+ hashblock = ZMQSubscriber(socket, b'hashblock')
+
+ # Should only notify the tip if a reorg occurs
+ self.restart_node(0, ['-zmqpub%s=%s' % (hashblock.topic.decode(), address)])
+
+ # Generate 1 block in nodes[0] and receive all notifications
+ self.nodes[0].generatetoaddress(1, ADDRESS_BCRT1_UNSPENDABLE)
+ assert_equal(self.nodes[0].getbestblockhash(), hashblock.receive().hex())
+
+ # Generate 2 blocks in nodes[1]
+ self.nodes[1].generatetoaddress(2, ADDRESS_BCRT1_UNSPENDABLE)
+
+ # nodes[0] will reorg chain after connecting back nodes[1]
+ connect_nodes(self.nodes[0], 1)
+
+ # Should receive nodes[1] tip
+ assert_equal(self.nodes[1].getbestblockhash(), hashblock.receive().hex())
+
if __name__ == '__main__':
ZMQTest().main()