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115 lines
5.6 KiB
115 lines
5.6 KiB
3 years ago
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#!/usr/bin/env python3
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# Copyright (c) 2014-2020 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test node disconnect and ban behavior"""
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import time
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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assert_raises_rpc_error,
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)
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class DisconnectBanTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 2
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self.supports_cli = False
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def run_test(self):
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self.log.info("Connect nodes both way")
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# By default, the test framework sets up an addnode connection from
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# node 1 --> node0. By connecting node0 --> node 1, we're left with
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# the two nodes being connected both ways.
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# Topology will look like: node0 <--> node1
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self.connect_nodes(0, 1)
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self.log.info("Test setban and listbanned RPCs")
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self.log.info("setban: successfully ban single IP address")
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assert_equal(len(self.nodes[1].getpeerinfo()), 2) # node1 should have 2 connections to node0 at this point
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self.nodes[1].setban(subnet="127.0.0.1", command="add")
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self.wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 0, timeout=10)
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assert_equal(len(self.nodes[1].getpeerinfo()), 0) # all nodes must be disconnected at this point
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assert_equal(len(self.nodes[1].listbanned()), 1)
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self.log.info("clearbanned: successfully clear ban list")
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self.nodes[1].clearbanned()
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assert_equal(len(self.nodes[1].listbanned()), 0)
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self.nodes[1].setban("127.0.0.0/24", "add")
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self.log.info("setban: fail to ban an already banned subnet")
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assert_equal(len(self.nodes[1].listbanned()), 1)
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assert_raises_rpc_error(-23, "IP/Subnet already banned", self.nodes[1].setban, "127.0.0.1", "add")
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self.log.info("setban: fail to ban an invalid subnet")
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assert_raises_rpc_error(-30, "Error: Invalid IP/Subnet", self.nodes[1].setban, "127.0.0.1/42", "add")
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assert_equal(len(self.nodes[1].listbanned()), 1) # still only one banned ip because 127.0.0.1 is within the range of 127.0.0.0/24
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self.log.info("setban remove: fail to unban a non-banned subnet")
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assert_raises_rpc_error(-30, "Error: Unban failed", self.nodes[1].setban, "127.0.0.1", "remove")
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assert_equal(len(self.nodes[1].listbanned()), 1)
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self.log.info("setban remove: successfully unban subnet")
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self.nodes[1].setban("127.0.0.0/24", "remove")
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assert_equal(len(self.nodes[1].listbanned()), 0)
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self.nodes[1].clearbanned()
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assert_equal(len(self.nodes[1].listbanned()), 0)
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self.log.info("setban: test persistence across node restart")
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self.nodes[1].setban("127.0.0.0/32", "add")
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self.nodes[1].setban("127.0.0.0/24", "add")
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# Set the mocktime so we can control when bans expire
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old_time = int(time.time())
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self.nodes[1].setmocktime(old_time)
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self.nodes[1].setban("192.168.0.1", "add", 1) # ban for 1 seconds
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self.nodes[1].setban("2001:4d48:ac57:400:cacf:e9ff:fe1d:9c63/19", "add", 1000) # ban for 1000 seconds
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listBeforeShutdown = self.nodes[1].listbanned()
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assert_equal("192.168.0.1/32", listBeforeShutdown[2]['address'])
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# Move time forward by 3 seconds so the third ban has expired
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self.nodes[1].setmocktime(old_time + 3)
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assert_equal(len(self.nodes[1].listbanned()), 3)
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self.restart_node(1)
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listAfterShutdown = self.nodes[1].listbanned()
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assert_equal("127.0.0.0/24", listAfterShutdown[0]['address'])
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assert_equal("127.0.0.0/32", listAfterShutdown[1]['address'])
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assert_equal("/19" in listAfterShutdown[2]['address'], True)
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# Clear ban lists
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self.nodes[1].clearbanned()
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self.log.info("Connect nodes both way")
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self.connect_nodes(0, 1)
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self.connect_nodes(1, 0)
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self.log.info("Test disconnectnode RPCs")
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self.log.info("disconnectnode: fail to disconnect when calling with address and nodeid")
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address1 = self.nodes[0].getpeerinfo()[0]['addr']
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node1 = self.nodes[0].getpeerinfo()[0]['addr']
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assert_raises_rpc_error(-32602, "Only one of address and nodeid should be provided.", self.nodes[0].disconnectnode, address=address1, nodeid=node1)
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self.log.info("disconnectnode: fail to disconnect when calling with junk address")
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assert_raises_rpc_error(-29, "Node not found in connected nodes", self.nodes[0].disconnectnode, address="221B Baker Street")
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self.log.info("disconnectnode: successfully disconnect node by address")
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address1 = self.nodes[0].getpeerinfo()[0]['addr']
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self.nodes[0].disconnectnode(address=address1)
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self.wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1, timeout=10)
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assert not [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1]
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self.log.info("disconnectnode: successfully reconnect node")
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self.connect_nodes(0, 1) # reconnect the node
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assert_equal(len(self.nodes[0].getpeerinfo()), 2)
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assert [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1]
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self.log.info("disconnectnode: successfully disconnect node by node id")
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id1 = self.nodes[0].getpeerinfo()[0]['id']
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self.nodes[0].disconnectnode(nodeid=id1)
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self.wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1, timeout=10)
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assert not [node for node in self.nodes[0].getpeerinfo() if node['id'] == id1]
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if __name__ == '__main__':
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DisconnectBanTest().main()
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