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dash/test/functional/feature_llmq_rotation.py
Odysseas Gabrielides 9eee9ee680
feat!: calculate quorum members using v20 cbtx clsig (#5366) 
## Issue being fixed or feature implemented

Implementation of Randomness Beacon Part 2.
This PR is the next step of #5262.

Starting from v20 activation fork, members for quorums are sorted using
(if available) the best CL signature found in Coinbase.
If no CL signature is present yet, then the usual way is used (By using
Blockhash instead)

## What was done?

## How Has This Been Tested?
Test `feature_llmq_rotation.py` was updated to cover both rotated and
non-rotated quorums.
2 quorums are mined first to ensure Chainlock are working earlier.
Then dip_24 activation is replaced by v20 activation.

The only direct way to test this change is to make sure that all
expected quorums after v20 activation are properly formed.

Note: A `wait_for_chainlocked_block_all_nodes` is called between every
rotation cycle to ensure that Coinbase will use a different Chainlock
signature.

## Breaking Changes
Yes, quorum members will be calculated differently.

## Checklist:
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have added or updated relevant unit/integration/functional/e2e
tests
- [ ] I have made corresponding changes to the documentation
- [x] I have assigned this pull request to a milestone _(for repository
code-owners and collaborators only)_

---------

Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>
2023-05-17 20:27:15 +03:00

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#!/usr/bin/env python3
# Copyright (c) 2015-2022 The Dash Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
'''
feature_llmq_rotation.py
Checks LLMQs Quorum Rotation
'''
from io import BytesIO
from test_framework.test_framework import DashTestFramework
from test_framework.messages import CBlock, CBlockHeader, CCbTx, CMerkleBlock, FromHex, hash256, msg_getmnlistd, QuorumId
from test_framework.mininode import P2PInterface
from test_framework.util import (
assert_equal,
assert_greater_than_or_equal,
wait_until,
)
def intersection(lst1, lst2):
lst3 = [value for value in lst1 if value in lst2]
return lst3
def extract_quorum_members(quorum_info):
return [d['proTxHash'] for d in quorum_info["members"]]
class TestP2PConn(P2PInterface):
def __init__(self):
super().__init__()
self.last_mnlistdiff = None
def on_mnlistdiff(self, message):
self.last_mnlistdiff = message
def wait_for_mnlistdiff(self, timeout=30):
def received_mnlistdiff():
return self.last_mnlistdiff is not None
return wait_until(received_mnlistdiff, timeout=timeout)
def getmnlistdiff(self, baseBlockHash, blockHash):
msg = msg_getmnlistd(baseBlockHash, blockHash)
self.last_mnlistdiff = None
self.send_message(msg)
self.wait_for_mnlistdiff()
return self.last_mnlistdiff
class LLMQQuorumRotationTest(DashTestFramework):
def set_test_params(self):
self.set_dash_test_params(9, 8, fast_dip3_enforcement=True)
self.set_dash_llmq_test_params(4, 4)
def run_test(self):
llmq_type=103
llmq_type_name="llmq_test_dip0024"
self.test_node = self.nodes[0].add_p2p_connection(TestP2PConn())
# Connect all nodes to node1 so that we always have the whole network connected
# Otherwise only masternode connections will be established between nodes, which won't propagate TXs/blocks
# Usually node0 is the one that does this, but in this test we isolate it multiple times
for i in range(len(self.nodes)):
if i != 1:
self.connect_nodes(i, 0)
self.activate_dip8()
self.nodes[0].sporkupdate("SPORK_17_QUORUM_DKG_ENABLED", 0)
self.wait_for_sporks_same()
b_h_0 = self.nodes[0].getbestblockhash()
#Mine 2 quorums so that Chainlocks can be available: Need them to include CL in CbTx as soon as v20 activates
self.log.info("Mining 2 quorums")
h_0 = self.mine_quorum()
h_100_0 = QuorumId(100, int(h_0, 16))
h_106_0 = QuorumId(106, int(h_0, 16))
h_104_0 = QuorumId(104, int(h_0, 16))
h_1 = self.mine_quorum()
h_100_1 = QuorumId(100, int(h_1, 16))
h_106_1 = QuorumId(106, int(h_1, 16))
h_104_1 = QuorumId(104, int(h_1, 16))
self.log.info("Mine single block, wait for chainlock")
self.nodes[0].generate(1)
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash())
b_h_1 = self.nodes[0].getbestblockhash()
expectedDeleted = []
expectedNew = [h_100_0, h_106_0, h_104_0, h_100_1, h_106_1, h_104_1]
quorumList = self.test_getmnlistdiff_quorums(b_h_0, b_h_1, {}, expectedDeleted, expectedNew)
self.activate_v20(expected_activation_height=1440)
self.log.info("Activated v20 at height:" + str(self.nodes[0].getblockcount()))
# v20 is active for the next block, not for the tip
self.nodes[0].generate(1)
self.log.info("Wait for chainlock")
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash())
#At this point, we need to move forward 3 cycles (3 x 24 blocks) so the first 3 quarters can be created (without DKG sessions)
#self.log.info("Start at H height:" + str(self.nodes[0].getblockcount()))
self.move_to_next_cycle()
self.log.info("Cycle H height:" + str(self.nodes[0].getblockcount()))
self.log.info("Wait for chainlock")
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash())
self.move_to_next_cycle()
self.log.info("Cycle H+C height:" + str(self.nodes[0].getblockcount()))
self.log.info("Wait for chainlock")
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash())
self.move_to_next_cycle()
self.log.info("Cycle H+2C height:" + str(self.nodes[0].getblockcount()))
self.log.info("Wait for chainlock")
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash())
b_0 = self.nodes[0].getbestblockhash()
self.log.info("Wait for chainlock")
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash())
(quorum_info_0_0, quorum_info_0_1) = self.mine_cycle_quorum(llmq_type_name=llmq_type_name, llmq_type=llmq_type)
assert(self.test_quorum_listextended(quorum_info_0_0, llmq_type_name))
assert(self.test_quorum_listextended(quorum_info_0_1, llmq_type_name))
quorum_members_0_0 = extract_quorum_members(quorum_info_0_0)
quorum_members_0_1 = extract_quorum_members(quorum_info_0_1)
assert_equal(len(intersection(quorum_members_0_0, quorum_members_0_1)), 0)
self.log.info("Quorum #0_0 members: " + str(quorum_members_0_0))
self.log.info("Quorum #0_1 members: " + str(quorum_members_0_1))
q_100_0 = QuorumId(100, int(quorum_info_0_0["quorumHash"], 16))
q_102_0 = QuorumId(102, int(quorum_info_0_0["quorumHash"], 16))
q_104_0 = QuorumId(104, int(quorum_info_0_0["quorumHash"], 16))
q_103_0_0 = QuorumId(103, int(quorum_info_0_0["quorumHash"], 16))
q_103_0_1 = QuorumId(103, int(quorum_info_0_1["quorumHash"], 16))
b_1 = self.nodes[0].getbestblockhash()
expectedDeleted = [h_100_0, h_104_0]
expectedNew = [q_100_0, q_102_0, q_104_0, q_103_0_0, q_103_0_1]
quorumList = self.test_getmnlistdiff_quorums(b_0, b_1, quorumList, expectedDeleted, expectedNew)
self.log.info("Wait for chainlock")
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash())
(quorum_info_1_0, quorum_info_1_1) = self.mine_cycle_quorum(llmq_type_name=llmq_type_name, llmq_type=llmq_type)
assert(self.test_quorum_listextended(quorum_info_1_0, llmq_type_name))
assert(self.test_quorum_listextended(quorum_info_1_1, llmq_type_name))
quorum_members_1_0 = extract_quorum_members(quorum_info_1_0)
quorum_members_1_1 = extract_quorum_members(quorum_info_1_1)
assert_equal(len(intersection(quorum_members_1_0, quorum_members_1_1)), 0)
self.log.info("Quorum #1_0 members: " + str(quorum_members_1_0))
self.log.info("Quorum #1_1 members: " + str(quorum_members_1_1))
q_100_1 = QuorumId(100, int(quorum_info_1_0["quorumHash"], 16))
q_102_1 = QuorumId(102, int(quorum_info_1_0["quorumHash"], 16))
q_103_1_0 = QuorumId(103, int(quorum_info_1_0["quorumHash"], 16))
q_103_1_1 = QuorumId(103, int(quorum_info_1_1["quorumHash"], 16))
b_2 = self.nodes[0].getbestblockhash()
expectedDeleted = [h_100_1, q_103_0_0, q_103_0_1]
expectedNew = [q_100_1, q_102_1, q_103_1_0, q_103_1_1]
quorumList = self.test_getmnlistdiff_quorums(b_1, b_2, quorumList, expectedDeleted, expectedNew)
mninfos_online = self.mninfo.copy()
nodes = [self.nodes[0]] + [mn.node for mn in mninfos_online]
self.sync_blocks(nodes)
quorum_list = self.nodes[0].quorum("list", llmq_type)
quorum_blockhash = self.nodes[0].getbestblockhash()
fallback_blockhash = self.nodes[0].generate(1)[0]
self.log.info("h("+str(self.nodes[0].getblockcount())+") quorum_list:"+str(quorum_list))
assert_greater_than_or_equal(len(intersection(quorum_members_0_0, quorum_members_1_0)), 3)
assert_greater_than_or_equal(len(intersection(quorum_members_0_1, quorum_members_1_1)), 3)
self.log.info("Wait for chainlock")
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash())
self.log.info("Mine a quorum to invalidate")
(quorum_info_3_0, quorum_info_3_1) = self.mine_cycle_quorum(llmq_type_name=llmq_type_name, llmq_type=llmq_type)
new_quorum_list = self.nodes[0].quorum("list", llmq_type)
assert_equal(len(new_quorum_list[llmq_type_name]), len(quorum_list[llmq_type_name]) + 2)
new_quorum_blockhash = self.nodes[0].getbestblockhash()
self.log.info("h("+str(self.nodes[0].getblockcount())+") new_quorum_blockhash:"+new_quorum_blockhash)
self.log.info("h("+str(self.nodes[0].getblockcount())+") new_quorum_list:"+str(new_quorum_list))
assert new_quorum_list != quorum_list
self.log.info("Invalidate the quorum")
self.bump_mocktime(5)
self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", 4070908800)
self.wait_for_sporks_same()
self.nodes[0].invalidateblock(fallback_blockhash)
assert_equal(self.nodes[0].getbestblockhash(), quorum_blockhash)
assert_equal(self.nodes[0].quorum("list", llmq_type), quorum_list)
self.log.info("Reconsider the quorum")
self.bump_mocktime(5)
self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", 0)
self.wait_for_sporks_same()
self.nodes[0].reconsiderblock(fallback_blockhash)
wait_until(lambda: self.nodes[0].getbestblockhash() == new_quorum_blockhash, sleep=1)
assert_equal(self.nodes[0].quorum("list", llmq_type), new_quorum_list)
def test_getmnlistdiff_quorums(self, baseBlockHash, blockHash, baseQuorumList, expectedDeleted, expectedNew):
d = self.test_getmnlistdiff_base(baseBlockHash, blockHash)
assert_equal(set(d.deletedQuorums), set(expectedDeleted))
assert_equal(set([QuorumId(e.llmqType, e.quorumHash) for e in d.newQuorums]), set(expectedNew))
newQuorumList = baseQuorumList.copy()
for e in d.deletedQuorums:
newQuorumList.pop(e)
for e in d.newQuorums:
newQuorumList[QuorumId(e.llmqType, e.quorumHash)] = e
cbtx = CCbTx()
cbtx.deserialize(BytesIO(d.cbTx.vExtraPayload))
if cbtx.version >= 2:
hashes = []
for qc in newQuorumList.values():
hashes.append(hash256(qc.serialize()))
hashes.sort()
merkleRoot = CBlock.get_merkle_root(hashes)
assert_equal(merkleRoot, cbtx.merkleRootQuorums)
return newQuorumList
def test_getmnlistdiff_base(self, baseBlockHash, blockHash):
hexstr = self.nodes[0].getblockheader(blockHash, False)
header = FromHex(CBlockHeader(), hexstr)
d = self.test_node.getmnlistdiff(int(baseBlockHash, 16), int(blockHash, 16))
assert_equal(d.baseBlockHash, int(baseBlockHash, 16))
assert_equal(d.blockHash, int(blockHash, 16))
# Check that the merkle proof is valid
proof = CMerkleBlock(header, d.merkleProof)
proof = proof.serialize().hex()
assert_equal(self.nodes[0].verifytxoutproof(proof), [d.cbTx.hash])
# Check if P2P messages match with RPCs
d2 = self.nodes[0].protx("diff", baseBlockHash, blockHash)
assert_equal(d2["baseBlockHash"], baseBlockHash)
assert_equal(d2["blockHash"], blockHash)
assert_equal(d2["cbTxMerkleTree"], d.merkleProof.serialize().hex())
assert_equal(d2["cbTx"], d.cbTx.serialize().hex())
assert_equal(set([int(e, 16) for e in d2["deletedMNs"]]), set(d.deletedMNs))
assert_equal(set([int(e["proRegTxHash"], 16) for e in d2["mnList"]]), set([e.proRegTxHash for e in d.mnList]))
assert_equal(set([QuorumId(e["llmqType"], int(e["quorumHash"], 16)) for e in d2["deletedQuorums"]]), set(d.deletedQuorums))
assert_equal(set([QuorumId(e["llmqType"], int(e["quorumHash"], 16)) for e in d2["newQuorums"]]), set([QuorumId(e.llmqType, e.quorumHash) for e in d.newQuorums]))
return d
def test_quorum_listextended(self, quorum_info, llmq_type_name):
extended_quorum_list = self.nodes[0].quorum("listextended")[llmq_type_name]
quorum_dict = {}
for dictionary in extended_quorum_list:
quorum_dict.update(dictionary)
if quorum_info["quorumHash"] in quorum_dict:
q = quorum_dict[quorum_info["quorumHash"]]
if q["minedBlockHash"] != quorum_info["minedBlock"]:
return False
if q["creationHeight"] != quorum_info["height"]:
return False
if q["quorumIndex"] != quorum_info["quorumIndex"]:
return False
return True
return False
if __name__ == '__main__':
LLMQQuorumRotationTest().main()
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