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#!/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()
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