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feature_llmqsimplepose.py
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#!/usr/bin/env python3
# Copyright (c) 2015-2021 The Dash Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
import time
from test_framework.test_framework import DashTestFramework
from test_framework.util import force_finish_mnsync, p2p_port
'''
feature_llmqsimplepose.py
Checks simple PoSe system based on LLMQ commitments
'''
class LLMQSimplePoSeTest(DashTestFramework):
def set_test_params(self):
self.bind_to_localhost_only = False
self.set_dash_test_params(6, 5, [["[email protected]"]] * 6, fast_dip3_enforcement=True)
self.set_dash_llmq_test_params(5, 3)
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
self.sync_blocks(self.nodes, timeout=60*5)
self.confirm_mns()
for i in range(len(self.nodes)):
force_finish_mnsync(self.nodes[i])
self.nodes[0].spork("SPORK_17_QUORUM_DKG_ENABLED", 0)
self.wait_for_sporks_same()
# check if mining quorums with all nodes being online succeeds without punishment/banning
self.test_no_banning()
# Now lets isolate MNs one by one and verify that punishment/banning happens
self.test_banning(self.isolate_mn, 1)
self.repair_masternodes(True)
self.nodes[0].spork("SPORK_21_QUORUM_ALL_CONNECTED", 0)
self.nodes[0].spork("SPORK_23_QUORUM_POSE", 0)
self.wait_for_sporks_same()
self.reset_probe_timeouts()
# Make sure no banning happens with spork21 enabled
self.test_no_banning()
for i in range(len(self.nodes)):
force_finish_mnsync(self.nodes[i])
# Lets restart masternodes with closed ports and verify that they get banned even though they are connected to other MNs (via outbound connections)
self.test_banning(self.close_mn_port, 3)
self.repair_masternodes(True)
self.reset_probe_timeouts()
for i in range(len(self.nodes)):
force_finish_mnsync(self.nodes[i])
self.test_banning(self.force_old_mn_proto, 3)
# With PoSe off there should be no punishing for non-reachable and outdated nodes
self.nodes[0].spork("SPORK_23_QUORUM_POSE", 4070908800)
self.wait_for_sporks_same()
self.repair_masternodes(True)
self.force_old_mn_proto(self.mninfo[0])
self.test_no_banning(3)
self.repair_masternodes(True)
self.close_mn_port(self.mninfo[0])
self.test_no_banning(3)
def isolate_mn(self, mn):
mn.node.setnetworkactive(False)
self.wait_until(lambda: mn.node.getconnectioncount() == 0)
return True
def close_mn_port(self, mn):
self.stop_node(mn.node.index)
self.start_masternode(mn, extra_args=["-mocktime=" + str(self.mocktime), "-listen=0"])
self.connect_nodes(mn.node.index, 0)
# Make sure the to-be-banned node is still connected well via outbound connections
for mn2 in self.mninfo:
if mn2 is not mn:
self.connect_nodes(mn.node.index, mn2.node.index)
self.reset_probe_timeouts()
return False
def force_old_mn_proto(self, mn):
self.stop_node(mn.node.index)
self.start_masternode(mn, extra_args=["-mocktime=" + str(self.mocktime), "-pushversion=70015"])
self.connect_nodes(mn.node.index, 0)
# Make sure the to-be-banned node is still connected well via outbound connections
for mn2 in self.mninfo:
if mn2 is not mn:
self.connect_nodes(mn.node.index, mn2.node.index)
self.reset_probe_timeouts()
return False
def test_no_banning(self, expected_connections=None):
for i in range(3):
self.mine_quorum(expected_connections=expected_connections)
for mn in self.mninfo:
assert(not self.check_punished(mn) and not self.check_banned(mn))
def test_banning(self, invalidate_proc, expected_connections):
mninfos_online = self.mninfo.copy()
mninfos_valid = self.mninfo.copy()
expected_contributors = len(mninfos_online)
for i in range(2):
mn = mninfos_valid.pop()
went_offline = invalidate_proc(mn)
if went_offline:
mninfos_online.remove(mn)
expected_contributors -= 1
t = time.time()
while (not self.check_banned(mn)) and (time.time() - t) < 120:
self.reset_probe_timeouts()
self.generate(self.nodes[0], 1, sync_fun=self.no_op)
self.mine_quorum(expected_connections=expected_connections, expected_members=expected_contributors, expected_contributions=expected_contributors, expected_complaints=expected_contributors-1, expected_commitments=expected_contributors, mninfos_online=mninfos_online, mninfos_valid=mninfos_valid)
assert(self.check_banned(mn))
if not went_offline:
# we do not include PoSe banned mns in quorums, so the next one should have 1 contributor less
expected_contributors -= 1
def repair_masternodes(self, restart):
# Repair all nodes
for mn in self.mninfo:
if self.check_banned(mn) or self.check_punished(mn):
addr = self.nodes[0].getnewaddress()
self.nodes[0].sendtoaddress(addr, 0.1)
self.nodes[0].protx_update_service(mn.proTxHash, '127.0.0.1:%d' % p2p_port(mn.node.index), mn.keyOperator, "", addr)
# Make sure this tx "safe" to mine even when InstantSend and ChainLocks are no longer functional
self.bump_mocktime(60 * 10 + 1)
self.generate(self.nodes[0], 1, sync_fun=self.no_op)
assert(not self.check_banned(mn))
if restart:
self.stop_node(mn.node.index)
time.sleep(0.5)
self.start_masternode(mn, extra_args=["-mocktime=" + str(self.mocktime)])
else:
mn.node.setnetworkactive(True)
self.connect_nodes(mn.node.index, 0)
self.sync_all()
# Isolate and re-connect all MNs (otherwise there might be open connections with no MNAUTH for MNs which were banned before)
for mn in self.mninfo:
mn.node.setnetworkactive(False)
self.wait_until(lambda: mn.node.getconnectioncount() == 0)
mn.node.setnetworkactive(True)
force_finish_mnsync(mn.node)
self.connect_nodes(mn.node.index, 0)
def reset_probe_timeouts(self):
# Make sure all masternodes will reconnect/re-probe
self.bump_mocktime(50 * 60 + 1)
# Sleep a couple of seconds to let mn sync tick to happen
time.sleep(2)
for i in range(len(self.nodes)):
force_finish_mnsync(self.nodes[i])
def check_punished(self, mn):
info = self.nodes[0].protx_info(mn.proTxHash)
if info['state']['PoSePenalty'] > 0:
return True
return False
def check_banned(self, mn):
info = self.nodes[0].protx_info(mn.proTxHash)
if info['state']['PoSeBanHeight'] != -1:
return True
return False
if __name__ == '__main__':
LLMQSimplePoSeTest().main()