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#!/usr/bin/env python3
# Copyright (c) 2015-2021 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 the setban rpc call."""
from contextlib import ExitStack
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
p2p_port,
assert_equal,
)
class SetBanTests(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 2
self.setup_clean_chain = True
self.extra_args = [[],[]]
def is_banned(self, node, addr):
return any(e['address'] == addr for e in node.listbanned())
def run_test(self):
# Node 0 connects to Node 1, check that the noban permission is not granted
self.connect_nodes(0, 1)
peerinfo = self.nodes[1].getpeerinfo()[0]
assert not "noban" in peerinfo["permissions"]
# Node 0 get banned by Node 1
self.nodes[1].setban("127.0.0.1", "add")
# Node 0 should not be able to reconnect
context = ExitStack()
context.enter_context(self.nodes[1].assert_debug_log(expected_msgs=['dropped (banned)\n'], timeout=50))
# When disconnected right after connecting, a v2 node will attempt to reconnect with v1.
# Wait for that to happen so that it cannot mess with later tests.
if self.options.v2transport:
context.enter_context(self.nodes[0].assert_debug_log(expected_msgs=['trying v1 connection'], timeout=50))
with context:
self.restart_node(1, [])
self.nodes[0].addnode("127.0.0.1:" + str(p2p_port(1)), "onetry")
# However, node 0 should be able to reconnect if it has noban permission
self.restart_node(1, ['-whitelist=127.0.0.1'])
self.connect_nodes(0, 1)
peerinfo = self.nodes[1].getpeerinfo()[0]
assert "noban" in peerinfo["permissions"]
# If we remove the ban, Node 0 should be able to reconnect even without noban permission
self.nodes[1].setban("127.0.0.1", "remove")
self.restart_node(1, [])
self.connect_nodes(0, 1)
peerinfo = self.nodes[1].getpeerinfo()[0]
assert not "noban" in peerinfo["permissions"]
self.log.info("Test that a non-IP address can be banned/unbanned")
node = self.nodes[1]
tor_addr = "pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion"
ip_addr = "1.2.3.4"
assert not self.is_banned(node, tor_addr)
assert not self.is_banned(node, ip_addr)
node.setban(tor_addr, "add")
assert self.is_banned(node, tor_addr)
assert not self.is_banned(node, ip_addr)
node.setban(tor_addr, "remove")
assert not self.is_banned(self.nodes[1], tor_addr)
assert not self.is_banned(node, ip_addr)
self.log.info("Test -bantime")
self.restart_node(1, ["-bantime=1234"])
self.nodes[1].setban("127.0.0.1", "add")
banned = self.nodes[1].listbanned()[0]
assert_equal(banned['ban_duration'], 1234)
if __name__ == '__main__':
SetBanTests().main()
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