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244 lines
9.9 KiB
Python
Executable File
244 lines
9.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015-2024 The Dash 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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'''
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feature_llmq_simplepose.py
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Checks simple PoSe system based on LLMQ commitments
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'''
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import time
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from test_framework.test_framework import DashTestFramework
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from test_framework.util import assert_equal, force_finish_mnsync, p2p_port
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class LLMQSimplePoSeTest(DashTestFramework):
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def set_test_params(self):
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self.set_dash_test_params(6, 5, fast_dip3_enforcement=True)
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self.set_dash_llmq_test_params(5, 3)
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def run_test(self):
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self.deaf_mns = []
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self.nodes[0].sporkupdate("SPORK_17_QUORUM_DKG_ENABLED", 0)
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self.wait_for_sporks_same()
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# check if mining quorums with all nodes being online succeeds without punishment/banning
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self.test_no_banning()
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# Now lets isolate MNs one by one and verify that punishment/banning happens
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self.test_banning(self.isolate_mn, 2)
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self.repair_masternodes(False)
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self.nodes[0].sporkupdate("SPORK_21_QUORUM_ALL_CONNECTED", 0)
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self.nodes[0].sporkupdate("SPORK_23_QUORUM_POSE", 0)
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self.wait_for_sporks_same()
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self.reset_probe_timeouts()
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# Make sure no banning happens with spork21 enabled
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self.test_no_banning()
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# Lets restart masternodes with closed ports and verify that they get banned even though they are connected to other MNs (via outbound connections)
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self.test_banning(self.close_mn_port)
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self.deaf_mns.clear()
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self.repair_masternodes(True)
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self.reset_probe_timeouts()
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self.test_banning(self.force_old_mn_proto, 3)
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# With PoSe off there should be no punishing for non-reachable and outdated nodes
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self.nodes[0].sporkupdate("SPORK_23_QUORUM_POSE", 4070908800)
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self.wait_for_sporks_same()
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self.repair_masternodes(True)
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self.force_old_mn_proto(self.mninfo[0])
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self.test_no_banning(3)
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self.repair_masternodes(True)
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self.close_mn_port(self.mninfo[0])
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self.deaf_mns.clear()
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self.test_no_banning(3)
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def isolate_mn(self, mn):
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mn.node.setnetworkactive(False)
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self.wait_until(lambda: mn.node.getconnectioncount() == 0)
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return True, True
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def close_mn_port(self, mn):
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self.deaf_mns.append(mn)
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self.stop_node(mn.node.index)
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self.start_masternode(mn, ["-listen=0", "-nobind"])
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self.connect_nodes(mn.node.index, 0)
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# Make sure the to-be-banned node is still connected well via outbound connections
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for mn2 in self.mninfo:
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if self.deaf_mns.count(mn2) == 0:
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self.connect_nodes(mn.node.index, mn2.node.index)
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self.reset_probe_timeouts()
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return False, False
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def force_old_mn_proto(self, mn):
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self.stop_node(mn.node.index)
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self.start_masternode(mn, ["-pushversion=70216"])
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self.connect_nodes(mn.node.index, 0)
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self.reset_probe_timeouts()
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return False, True
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def test_no_banning(self, expected_connections=None):
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for _ in range(3):
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self.mine_quorum(expected_connections=expected_connections)
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for mn in self.mninfo:
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assert not self.check_punished(mn) and not self.check_banned(mn)
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def mine_quorum_less_checks(self, expected_good_nodes, mninfos_online):
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# Unlike in mine_quorum we skip most of the checks and only care about
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# nodes moving forward from phase to phase correctly and the fact that the quorum is actually mined.
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self.log.info("Mining a quorum with less checks")
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nodes = [self.nodes[0]] + [mn.node for mn in mninfos_online]
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# move forward to next DKG
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skip_count = 24 - (self.nodes[0].getblockcount() % 24)
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if skip_count != 0:
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self.bump_mocktime(skip_count, nodes=nodes)
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self.nodes[0].generate(skip_count)
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self.sync_blocks(nodes)
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q = self.nodes[0].getbestblockhash()
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self.log.info("Expected quorum_hash: "+str(q))
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self.log.info("Waiting for phase 1 (init)")
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self.wait_for_quorum_phase(q, 1, expected_good_nodes, None, 0, mninfos_online)
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self.move_blocks(nodes, 2)
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self.log.info("Waiting for phase 2 (contribute)")
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self.wait_for_quorum_phase(q, 2, expected_good_nodes, "receivedContributions", expected_good_nodes, mninfos_online)
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self.move_blocks(nodes, 2)
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self.log.info("Waiting for phase 3 (complain)")
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self.wait_for_quorum_phase(q, 3, expected_good_nodes, None, 0, mninfos_online)
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self.move_blocks(nodes, 2)
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self.log.info("Waiting for phase 4 (justify)")
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self.wait_for_quorum_phase(q, 4, expected_good_nodes, None, 0, mninfos_online)
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self.move_blocks(nodes, 2)
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self.log.info("Waiting for phase 5 (commit)")
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self.wait_for_quorum_phase(q, 5, expected_good_nodes, "receivedPrematureCommitments", expected_good_nodes, mninfos_online)
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self.move_blocks(nodes, 2)
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self.log.info("Waiting for phase 6 (mining)")
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self.wait_for_quorum_phase(q, 6, expected_good_nodes, None, 0, mninfos_online)
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self.log.info("Waiting final commitment")
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self.wait_for_quorum_commitment(q, nodes)
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self.log.info("Mining final commitment")
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self.bump_mocktime(1, nodes=nodes)
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self.nodes[0].getblocktemplate() # this calls CreateNewBlock
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self.nodes[0].generate(1)
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self.sync_blocks(nodes)
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self.log.info("Waiting for quorum to appear in the list")
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self.wait_for_quorum_list(q, nodes)
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new_quorum = self.nodes[0].quorum("list", 1)["llmq_test"][0]
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assert_equal(q, new_quorum)
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quorum_info = self.nodes[0].quorum("info", 100, new_quorum)
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# Mine 8 (SIGN_HEIGHT_OFFSET) more blocks to make sure that the new quorum gets eligible for signing sessions
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self.bump_mocktime(8)
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self.nodes[0].generate(8)
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self.sync_blocks(nodes)
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self.log.info("New quorum: height=%d, quorumHash=%s, quorumIndex=%d, minedBlock=%s" % (quorum_info["height"], new_quorum, quorum_info["quorumIndex"], quorum_info["minedBlock"]))
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return new_quorum
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def test_banning(self, invalidate_proc, expected_connections=None):
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mninfos_online = self.mninfo.copy()
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mninfos_valid = self.mninfo.copy()
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expected_contributors = len(mninfos_online)
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for _ in range(2):
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mn = mninfos_valid.pop()
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went_offline, instant_ban = invalidate_proc(mn)
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expected_complaints = expected_contributors - 1
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if went_offline:
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mninfos_online.remove(mn)
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expected_contributors -= 1
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# NOTE: Min PoSe penalty is 100 (see CDeterministicMNList::CalcMaxPoSePenalty()),
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# so nodes are PoSe-banned in the same DKG they misbehave without being PoSe-punished first.
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if instant_ban:
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assert expected_connections is not None
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self.reset_probe_timeouts()
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self.mine_quorum(expected_connections=expected_connections, expected_members=expected_contributors, expected_contributions=expected_contributors, expected_complaints=expected_complaints, expected_commitments=expected_contributors, mninfos_online=mninfos_online, mninfos_valid=mninfos_valid)
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else:
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# It's ok to miss probes/quorum connections up to 5 times.
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# 6th time is when it should be banned for sure.
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assert expected_connections is None
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for _ in range(6):
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self.reset_probe_timeouts()
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self.mine_quorum_less_checks(expected_contributors - 1, mninfos_online)
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assert self.check_banned(mn)
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if not went_offline:
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# we do not include PoSe banned mns in quorums, so the next one should have 1 contributor less
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expected_contributors -= 1
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def repair_masternodes(self, restart):
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# Repair all nodes
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for mn in self.mninfo:
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if self.check_banned(mn) or self.check_punished(mn):
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addr = self.nodes[0].getnewaddress()
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self.nodes[0].sendtoaddress(addr, 0.1)
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self.nodes[0].protx('update_service', mn.proTxHash, '127.0.0.1:%d' % p2p_port(mn.node.index), mn.keyOperator, "", addr)
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if restart:
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self.stop_node(mn.node.index)
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self.start_masternode(mn)
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else:
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mn.node.setnetworkactive(True)
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self.connect_nodes(mn.node.index, 0)
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# syncing blocks only since node 0 has txes waiting to be mined
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self.sync_blocks()
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# Make sure protxes are "safe" to mine even when InstantSend and ChainLocks are no longer functional
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self.bump_mocktime(60 * 10 + 1)
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self.nodes[0].generate(1)
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self.sync_all()
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# Isolate and re-connect all MNs (otherwise there might be open connections with no MNAUTH for MNs which were banned before)
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for mn in self.mninfo:
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assert not self.check_banned(mn)
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mn.node.setnetworkactive(False)
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self.wait_until(lambda: mn.node.getconnectioncount() == 0)
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mn.node.setnetworkactive(True)
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force_finish_mnsync(mn.node)
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self.connect_nodes(mn.node.index, 0)
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def reset_probe_timeouts(self):
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# Make sure all masternodes will reconnect/re-probe
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self.bump_mocktime(10 * 60 + 1)
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# Sleep a couple of seconds to let mn sync tick to happen
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time.sleep(2)
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def check_punished(self, mn):
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info = self.nodes[0].protx('info', mn.proTxHash)
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if info['state']['PoSePenalty'] > 0:
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return True
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return False
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def check_banned(self, mn):
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info = self.nodes[0].protx('info', mn.proTxHash)
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if info['state']['PoSeBanHeight'] != -1:
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return True
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return False
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if __name__ == '__main__':
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LLMQSimplePoSeTest().main()
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