#!/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 handling.""" 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 NodeHandlingTest(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__': NodeHandlingTest().main()