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dash/test/functional/feature_llmq_chainlocks.py
pasta 5a0479fe53
Merge #6275: feat: bury mn_rr fork - fire up test chains by first block - 6/n 
9a9d0d5b79 feat: drop SPORK 24 (EHF) so far as this feature works on testnet / mainnet (Konstantin Akimov)
da0dc06eea perf: optimize feature_mnehf.py by generating less blocks (Konstantin Akimov)
0de3923b06 feat: bury fork mn_rr (masternode reward reallocation) (Konstantin Akimov)

Pull request description:

  ## Issue being fixed or feature implemented
  MN_RR is activated on mainnet: time to bury it!

  ## What was done?
  Hard-fork mn_rr is buried. Prior fixes are done here: https://github.com/dashpay/dash/pull/6270 and https://github.com/dashpay/dash/pull/6269

  ## How Has This Been Tested?
  Run unit and functional tests

  ## Breaking Changes
  N/A

  ## 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
  - [x] I have made corresponding changes to the documentation
  - [x] I have assigned this pull request to a milestone

ACKs for top commit:
  UdjinM6:
    light ACK 9a9d0d5b79
  PastaPastaPasta:
    utACK 9a9d0d5b79

Tree-SHA512: 73ea0ca1270f15f6f1193efbaf402d476c84e9a843af85b7eae3e40199f4c943ad40f58e062b8db20e1c5c69c1a85579ebaf0722f1044ee2e1a4e7f96c58e645
2024-10-01 13:45:45 -05:00

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#!/usr/bin/env python3
# Copyright (c) 2015-2024 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_chainlocks.py
Checks LLMQs based ChainLocks
'''
import time
from io import BytesIO
from test_framework.messages import CBlock, CCbTx
from test_framework.test_framework import DashTestFramework
from test_framework.util import assert_equal, assert_raises_rpc_error, force_finish_mnsync, softfork_active
class LLMQChainLocksTest(DashTestFramework):
def set_test_params(self):
self.set_dash_test_params(5, 4, [["-testactivationheight=mn_rr@1100"]] * 5)
def run_test(self):
# 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(2, len(self.nodes)):
self.connect_nodes(i, 1)
self.test_coinbase_best_cl(self.nodes[0], expected_cl_in_cb=False)
self.activate_v20(expected_activation_height=900)
self.log.info("Activated v20 at height:" + str(self.nodes[0].getblockcount()))
# v20 is active for the next block, not for the tip
self.test_coinbase_best_cl(self.nodes[0], expected_cl_in_cb=False)
# v20 is active, no quorums, no CLs - null CL in CbTx
nocl_block_hash = self.nodes[0].generate(1)[0]
self.test_coinbase_best_cl(self.nodes[0], expected_cl_in_cb=True, expected_null_cl=True)
cbtx = self.nodes[0].getspecialtxes(nocl_block_hash, 5, 1, 0, 2)[0]
assert_equal(cbtx["instantlock"], False)
assert_equal(cbtx["instantlock_internal"], False)
assert_equal(cbtx["chainlock"], False)
self.nodes[0].sporkupdate("SPORK_17_QUORUM_DKG_ENABLED", 0)
self.wait_for_sporks_same()
self.move_to_next_cycle()
self.log.info("Cycle H height:" + str(self.nodes[0].getblockcount()))
self.move_to_next_cycle()
self.log.info("Cycle H+C height:" + str(self.nodes[0].getblockcount()))
self.move_to_next_cycle()
self.log.info("Cycle H+2C height:" + str(self.nodes[0].getblockcount()))
self.mine_cycle_quorum(llmq_type_name="llmq_test_dip0024", llmq_type=103)
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())
self.test_coinbase_best_cl(self.nodes[0])
# ChainLock locks all the blocks below it so nocl_block_hash should be locked too
cbtx = self.nodes[0].getspecialtxes(nocl_block_hash, 5, 1, 0, 2)[0]
assert_equal(cbtx["instantlock"], True)
assert_equal(cbtx["instantlock_internal"], False)
assert_equal(cbtx["chainlock"], True)
self.log.info("Mine many blocks, wait for chainlock")
self.nodes[0].generate(20)
# We need more time here due to 20 blocks being generated at once
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash(), timeout=30)
self.test_coinbase_best_cl(self.nodes[0])
self.log.info("Assert that all blocks up until the tip are chainlocked")
for h in range(1, self.nodes[0].getblockcount()):
block = self.nodes[0].getblock(self.nodes[0].getblockhash(h))
assert block['chainlock']
self.log.info(f"Test submitchainlock for too high block")
assert_raises_rpc_error(-1, f"No quorum found. Current tip height: {self.nodes[1].getblockcount()}", self.nodes[1].submitchainlock, '0000000000000000000000000000000000000000000000000000000000000000', 'a5c69505b5744524c9ed6551d8a57dc520728ea013496f46baa8a73df96bfd3c86e474396d747a4af11aaef10b17dbe80498b6a2fe81938fe917a3fedf651361bfe5367c800d23d3125820e6ee5b42189f0043be94ce27e73ea13620c9ef6064', self.nodes[1].getblockcount() + 300)
self.log.info("Update spork to SPORK_19_CHAINLOCKS_ENABLED and test its behaviour")
self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", 1)
self.wait_for_sporks_same()
self.log.info("Generate new blocks and verify that they are not chainlocked")
previous_block_hash = self.nodes[0].getbestblockhash()
for _ in range(2):
block_hash = self.nodes[0].generate(1)[0]
self.wait_for_chainlocked_block_all_nodes(block_hash, expected=False)
assert self.nodes[0].getblock(previous_block_hash)["chainlock"]
self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", 0)
self.wait_for_sporks_same()
self.log.info("Isolate node, mine on another, and reconnect")
self.isolate_node(0)
node0_mining_addr = self.nodes[0].getnewaddress()
node0_tip = self.nodes[0].getbestblockhash()
self.nodes[1].generatetoaddress(5, node0_mining_addr)
self.wait_for_chainlocked_block(self.nodes[1], self.nodes[1].getbestblockhash())
self.test_coinbase_best_cl(self.nodes[0])
assert self.nodes[0].getbestblockhash() == node0_tip
self.reconnect_isolated_node(0, 1)
self.nodes[1].generatetoaddress(1, node0_mining_addr)
self.wait_for_chainlocked_block_all_nodes(self.nodes[1].getbestblockhash())
self.test_coinbase_best_cl(self.nodes[0])
self.log.info("Isolate node, mine on another, reconnect and submit CL via RPC")
self.isolate_node(0)
self.nodes[1].generate(1)
self.wait_for_chainlocked_block(self.nodes[1], self.nodes[1].getbestblockhash())
best_0 = self.nodes[0].getbestchainlock()
best_1 = self.nodes[1].getbestchainlock()
assert best_0['blockhash'] != best_1['blockhash']
assert best_0['height'] != best_1['height']
assert best_0['signature'] != best_1['signature']
assert_equal(best_0['known_block'], True)
node_height = self.nodes[1].submitchainlock(best_0['blockhash'], best_0['signature'], best_0['height'])
rpc_height = self.nodes[0].submitchainlock(best_1['blockhash'], best_1['signature'], best_1['height'])
assert_equal(best_1['height'], node_height)
assert_equal(best_1['height'], rpc_height)
best_0 = self.nodes[0].getbestchainlock()
assert_equal(best_0['blockhash'], best_1['blockhash'])
assert_equal(best_0['height'], best_1['height'])
assert_equal(best_0['signature'], best_1['signature'])
assert_equal(best_0['known_block'], False)
self.reconnect_isolated_node(0, 1)
self.sync_all()
self.log.info("Isolate node, mine on both parts of the network, and reconnect")
self.isolate_node(0)
bad_tip = self.nodes[0].generate(5)[-1]
self.nodes[1].generatetoaddress(1, node0_mining_addr)
good_tip = self.nodes[1].getbestblockhash()
self.wait_for_chainlocked_block(self.nodes[1], good_tip)
assert not self.nodes[0].getblock(self.nodes[0].getbestblockhash())["chainlock"]
self.reconnect_isolated_node(0, 1)
self.nodes[1].generatetoaddress(1, node0_mining_addr)
self.wait_for_chainlocked_block_all_nodes(self.nodes[1].getbestblockhash())
self.test_coinbase_best_cl(self.nodes[0])
assert self.nodes[0].getblock(self.nodes[0].getbestblockhash())["previousblockhash"] == good_tip
assert self.nodes[1].getblock(self.nodes[1].getbestblockhash())["previousblockhash"] == good_tip
self.log.info("The tip mined while this node was isolated should be marked conflicting now")
found = False
for tip in self.nodes[0].getchaintips(2):
if tip["hash"] == bad_tip:
assert tip["status"] == "conflicting"
found = True
break
assert found
self.log.info("Keep node connected and let it try to reorg the chain")
good_tip = self.nodes[0].getbestblockhash()
self.log.info("Restart it so that it forgets all the chainlock messages from the past")
self.restart_node(0)
self.connect_nodes(0, 1)
assert self.nodes[0].getbestblockhash() == good_tip
self.nodes[0].invalidateblock(good_tip)
self.log.info("Now try to reorg the chain")
self.nodes[0].generate(2)
time.sleep(6)
assert self.nodes[1].getbestblockhash() == good_tip
bad_tip = self.nodes[0].generate(2)[-1]
time.sleep(6)
assert self.nodes[0].getbestblockhash() == bad_tip
assert self.nodes[1].getbestblockhash() == good_tip
self.log.info("Now let the node which is on the wrong chain reorg back to the locked chain")
self.nodes[0].reconsiderblock(good_tip)
assert self.nodes[0].getbestblockhash() != good_tip
good_fork = good_tip
good_tip = self.nodes[1].generatetoaddress(1, node0_mining_addr)[-1] # this should mark bad_tip as conflicting
self.wait_for_chainlocked_block_all_nodes(good_tip)
self.test_coinbase_best_cl(self.nodes[0])
assert self.nodes[0].getbestblockhash() == good_tip
found = False
for tip in self.nodes[0].getchaintips(2):
if tip["hash"] == bad_tip:
assert tip["status"] == "conflicting"
found = True
break
assert found
self.log.info("Should switch to the best non-conflicting tip (not to the most work chain) on restart")
assert int(self.nodes[0].getblock(bad_tip)["chainwork"], 16) > int(self.nodes[1].getblock(good_tip)["chainwork"], 16)
self.restart_node(0)
self.nodes[0].invalidateblock(good_fork)
self.restart_node(0)
time.sleep(1)
assert self.nodes[0].getbestblockhash() == good_tip
self.log.info("Isolate a node and let it create some transactions which won't get IS locked")
force_finish_mnsync(self.nodes[0])
self.isolate_node(0)
txs = []
for _ in range(3):
txs.append(self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1))
txs += self.create_chained_txs(self.nodes[0], 1)
self.log.info("Assert that after block generation these TXs are NOT included (as they are \"unsafe\")")
node0_tip = self.nodes[0].generate(1)[-1]
for txid in txs:
tx = self.nodes[0].getrawtransaction(txid, 1)
assert "confirmations" not in tx
time.sleep(1)
node0_tip_block = self.nodes[0].getblock(node0_tip)
assert not node0_tip_block["chainlock"]
assert node0_tip_block["previousblockhash"] == good_tip
self.log.info("Disable LLMQ based InstantSend for a very short time (this never gets propagated to other nodes)")
self.nodes[0].sporkupdate("SPORK_2_INSTANTSEND_ENABLED", 4070908800)
self.log.info("Now the TXs should be included")
self.nodes[0].generate(1)
self.nodes[0].sporkupdate("SPORK_2_INSTANTSEND_ENABLED", 0)
self.log.info("Assert that TXs got included now")
for txid in txs:
tx = self.nodes[0].getrawtransaction(txid, 1)
assert "confirmations" in tx and tx["confirmations"] > 0
# Enable network on first node again, which will cause the blocks to propagate and IS locks to happen retroactively
# for the mined TXs, which will then allow the network to create a CLSIG
self.log.info("Re-enable network on first node and wait for chainlock")
self.reconnect_isolated_node(0, 1)
self.wait_for_chainlocked_block(self.nodes[0], self.nodes[0].getbestblockhash(), timeout=30)
for i in range(2):
self.log.info(f"{'Disable' if i == 0 else 'Enable'} Chainlock")
self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", 4070908800 if i == 0 else 0)
self.wait_for_sporks_same()
self.log.info("Add a new node and let it sync")
self.dynamically_add_masternode(evo=False)
added_idx = len(self.nodes) - 1
assert_raises_rpc_error(-32603, "Unable to find any ChainLock", self.nodes[added_idx].getbestchainlock)
self.log.info("Test that new node can mine without Chainlock info")
tip_0 = self.nodes[0].getblock(self.nodes[0].getbestblockhash(), 2)
self.nodes[added_idx].generate(1)
self.sync_blocks(self.nodes)
tip_1 = self.nodes[0].getblock(self.nodes[0].getbestblockhash(), 2)
assert_equal(tip_1['cbTx']['bestCLSignature'], tip_0['cbTx']['bestCLSignature'])
assert_equal(tip_1['cbTx']['bestCLHeightDiff'], tip_0['cbTx']['bestCLHeightDiff'] + 1)
self.log.info("Test that bestCLHeightDiff conditions are relaxed before mn_rr")
self.test_bestCLHeightDiff(False)
self.activate_mn_rr(expected_activation_height=1100)
self.log.info("Activated mn_rr at height:" + str(self.nodes[0].getblockcount()))
self.log.info("Test that bestCLHeightDiff conditions are stricter after mn_rr")
self.test_bestCLHeightDiff(True)
def create_chained_txs(self, node, amount):
txid = node.sendtoaddress(node.getnewaddress(), amount)
tx = node.getrawtransaction(txid, 1)
inputs = []
valueIn = 0
for txout in tx["vout"]:
inputs.append({"txid": txid, "vout": txout["n"]})
valueIn += txout["value"]
outputs = {
node.getnewaddress(): round(float(valueIn) - 0.0001, 6)
}
rawtx = node.createrawtransaction(inputs, outputs)
rawtx = node.signrawtransactionwithwallet(rawtx)
rawtxid = node.sendrawtransaction(rawtx["hex"])
return [txid, rawtxid]
def test_coinbase_best_cl(self, node, expected_cl_in_cb=True, expected_null_cl=False):
block_hash = node.getbestblockhash()
block = node.getblock(block_hash, 2)
cbtx = block["cbTx"]
assert_equal(int(cbtx["version"]) > 2, expected_cl_in_cb)
if expected_cl_in_cb:
cb_height = int(cbtx["height"])
best_cl_height_diff = int(cbtx["bestCLHeightDiff"])
best_cl_signature = cbtx["bestCLSignature"]
assert_equal(expected_null_cl, int(best_cl_signature, 16) == 0)
if expected_null_cl:
# Null bestCLSignature is allowed.
# bestCLHeightDiff must be 0 if bestCLSignature is null
assert_equal(best_cl_height_diff, 0)
# Returning as no more tests can be conducted
return
best_cl_height = cb_height - best_cl_height_diff - 1
target_block_hash = node.getblockhash(best_cl_height)
# Verify CL signature
assert node.verifychainlock(target_block_hash, best_cl_signature, best_cl_height)
else:
assert "bestCLHeightDiff" not in cbtx and "bestCLSignature" not in cbtx
def test_bestCLHeightDiff(self, mn_rr_active):
# We need 2 blocks we can grab clsigs from
for _ in range(2):
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].generate(1)[0])
assert_equal(softfork_active(self.nodes[1], "mn_rr"), mn_rr_active)
tip1_hash = self.nodes[1].getbestblockhash()
self.isolate_node(1)
tip0_hash = self.nodes[0].generate(1)[0]
block_hex = self.nodes[0].getblock(tip0_hash, 0)
mal_block = CBlock()
mal_block.deserialize(BytesIO(bytes.fromhex(block_hex)))
cbtx = CCbTx()
cbtx.deserialize(BytesIO(mal_block.vtx[0].vExtraPayload))
assert_equal(cbtx.bestCLHeightDiff, 0)
cbtx.bestCLHeightDiff = 1
mal_block.vtx[0].vExtraPayload = cbtx.serialize()
mal_block.vtx[0].rehash()
mal_block.hashMerkleRoot = mal_block.calc_merkle_root()
mal_block.solve()
result = self.nodes[1].submitblock(mal_block.serialize().hex())
assert_equal(result, "bad-cbtx-invalid-clsig")
assert_equal(self.nodes[1].getbestblockhash(), tip1_hash)
# Update the sig too and it should pass now
cbtx.bestCLSignature = bytes.fromhex(self.nodes[1].getblock(tip1_hash, 2)["tx"][0]["cbTx"]["bestCLSignature"])
mal_block.vtx[0].vExtraPayload = cbtx.serialize()
mal_block.vtx[0].rehash()
mal_block.hashMerkleRoot = mal_block.calc_merkle_root()
mal_block.solve()
result = self.nodes[1].submitblock(mal_block.serialize().hex())
assert_equal(result, None)
assert not self.nodes[1].getbestblockhash() == tip1_hash
# Revert to test another use case
self.nodes[1].invalidateblock(self.nodes[1].getbestblockhash())
assert_equal(self.nodes[1].getbestblockhash(), tip1_hash)
# Now it's too old but fails because of another reason when mn_rr is active
cbtx.bestCLHeightDiff = 2
mal_block.vtx[0].vExtraPayload = cbtx.serialize()
mal_block.vtx[0].rehash()
mal_block.hashMerkleRoot = mal_block.calc_merkle_root()
mal_block.solve()
result = self.nodes[1].submitblock(mal_block.serialize().hex())
assert_equal(result, "bad-cbtx-older-clsig" if mn_rr_active else "bad-cbtx-invalid-clsig")
assert_equal(self.nodes[1].getbestblockhash(), tip1_hash)
# Update the sig too and it should pass now when mn_rr is not active and fail otherwise
old_blockhash = self.nodes[1].getblockhash(self.nodes[1].getblockcount() - 1)
cbtx.bestCLSignature = bytes.fromhex(self.nodes[1].getblock(old_blockhash, 2)["tx"][0]["cbTx"]["bestCLSignature"])
mal_block.vtx[0].vExtraPayload = cbtx.serialize()
mal_block.vtx[0].rehash()
mal_block.hashMerkleRoot = mal_block.calc_merkle_root()
mal_block.solve()
result = self.nodes[1].submitblock(mal_block.serialize().hex())
if mn_rr_active:
assert_equal(result, "bad-cbtx-older-clsig")
assert_equal(self.nodes[1].getbestblockhash(), tip1_hash)
else:
assert_equal(result, None)
assert not self.nodes[1].getbestblockhash() == tip1_hash
self.reconnect_isolated_node(1, 0)
self.sync_all()
if __name__ == '__main__':
LLMQChainLocksTest().main()
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