1 files changed, 86 insertions, 0 deletions
diff --git a/test/functional/disconnect_ban.py b/test/functional/disconnect_ban.py
new file mode 100755
index 0000000000..458b66af03
--- /dev/null
+++ b/test/functional/disconnect_ban.py
@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+# 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.
+"""Test node disconnect and ban behavior"""
+import time
+import urllib.parse
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import (assert_equal,
+                                 assert_raises_jsonrpc,
+                                 connect_nodes_bi,
+                                 p2p_port,
+                                 start_node,
+                                 stop_node,
+                                 )
+
+class DisconnectBanTest(BitcoinTestFramework):
+
+    def __init__(self):
+        super().__init__()
+        self.num_nodes = 4
+        self.setup_clean_chain = False
+
+    def run_test(self):
+        ###########################
+        # setban/listbanned tests #
+        ###########################
+        assert_equal(len(self.nodes[2].getpeerinfo()), 4)  # we should have 4 nodes at this point
+        self.nodes[2].setban("127.0.0.1", "add")
+        time.sleep(3)  # wait till the nodes are disconected
+        assert_equal(len(self.nodes[2].getpeerinfo()), 0)  # all nodes must be disconnected at this point
+        assert_equal(len(self.nodes[2].listbanned()), 1)
+        self.nodes[2].clearbanned()
+        assert_equal(len(self.nodes[2].listbanned()), 0)
+        self.nodes[2].setban("127.0.0.0/24", "add")
+        assert_equal(len(self.nodes[2].listbanned()), 1)
+        # This will throw an exception because 127.0.0.1 is within range 127.0.0.0/24
+        assert_raises_jsonrpc(-23, "IP/Subnet already banned", self.nodes[2].setban, "127.0.0.1", "add")
+        # This will throw an exception because 127.0.0.1/42 is not a real subnet
+        assert_raises_jsonrpc(-30, "Error: Invalid IP/Subnet", self.nodes[2].setban, "127.0.0.1/42", "add")
+        assert_equal(len(self.nodes[2].listbanned()), 1)  # still only one banned ip because 127.0.0.1 is within the range of 127.0.0.0/24
+        # This will throw an exception because 127.0.0.1 was not added above
+        assert_raises_jsonrpc(-30, "Error: Unban failed", self.nodes[2].setban, "127.0.0.1", "remove")
+        assert_equal(len(self.nodes[2].listbanned()), 1)
+        self.nodes[2].setban("127.0.0.0/24", "remove")
+        assert_equal(len(self.nodes[2].listbanned()), 0)
+        self.nodes[2].clearbanned()
+        assert_equal(len(self.nodes[2].listbanned()), 0)
+
+        # test persisted banlist
+        self.nodes[2].setban("127.0.0.0/32", "add")
+        self.nodes[2].setban("127.0.0.0/24", "add")
+        self.nodes[2].setban("192.168.0.1", "add", 1)  # ban for 1 seconds
+        self.nodes[2].setban("2001:4d48:ac57:400:cacf:e9ff:fe1d:9c63/19", "add", 1000)  # ban for 1000 seconds
+        listBeforeShutdown = self.nodes[2].listbanned()
+        assert_equal("192.168.0.1/32", listBeforeShutdown[2]['address'])  # must be here
+        time.sleep(2)  # make 100% sure we expired 192.168.0.1 node time
+
+        # stop node
+        stop_node(self.nodes[2], 2)
+
+        self.nodes[2] = start_node(2, self.options.tmpdir)
+        listAfterShutdown = self.nodes[2].listbanned()
+        assert_equal("127.0.0.0/24", listAfterShutdown[0]['address'])
+        assert_equal("127.0.0.0/32", listAfterShutdown[1]['address'])
+        assert_equal("/19" in listAfterShutdown[2]['address'], True)
+
+        ###########################
+        # RPC disconnectnode test #
+        ###########################
+        url = urllib.parse.urlparse(self.nodes[1].url)
+        self.nodes[0].disconnectnode(url.hostname + ":" + str(p2p_port(1)))
+        time.sleep(2)  # disconnecting a node needs a little bit of time
+        for node in self.nodes[0].getpeerinfo():
+            assert(node['addr'] != url.hostname + ":" + str(p2p_port(1)))
+
+        connect_nodes_bi(self.nodes, 0, 1)  # reconnect the node
+        found = False
+        for node in self.nodes[0].getpeerinfo():
+            if node['addr'] == url.hostname + ":" + str(p2p_port(1)):
+                found = True
+        assert(found)
+
+if __name__ == '__main__':
+    DisconnectBanTest().main()