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b9a2f08338
ad840ec31aMerge bitcoin#22593: remove `hex_str_to_bytes` helper (Kittywhiskers Van Gogh)cbc4c63f58Merge bitcoin/bitcoin#22619: test: refactor: use consistent bytes <-> hex-string conversion in functional test framework (MarcoFalke) Pull request description: bitcoin backports ACKs for top commit: knst: utACKad840ec31akwvg: utACKad840ec31aTree-SHA512: 48b4137683daab01a1bf51493d082ec359f80be7a9930b3423476e9ac5f4e73035d0f64d0f8e9b6b0c61b3e06efb648f9cc6bd620088c8cb5f27830157440adb
286 lines
12 KiB
Python
Executable File
286 lines
12 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_is_cl_conflicts.py
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Checks conflict handling between ChainLocks and InstantSend
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'''
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import struct
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from test_framework.blocktools import create_block_with_mnpayments
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from test_framework.messages import CInv, hash256, msg_clsig, msg_inv, ser_string, tx_from_hex, uint256_from_str
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from test_framework.p2p import P2PInterface
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from test_framework.test_framework import DashTestFramework
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from test_framework.util import assert_equal, assert_raises_rpc_error
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class TestP2PConn(P2PInterface):
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def __init__(self):
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super().__init__()
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self.clsigs = {}
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self.islocks = {}
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def send_clsig(self, clsig):
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hash = uint256_from_str(hash256(clsig.serialize()))
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self.clsigs[hash] = clsig
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inv = msg_inv([CInv(29, hash)])
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self.send_message(inv)
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def send_isdlock(self, isdlock):
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hash = uint256_from_str(hash256(isdlock.serialize()))
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self.islocks[hash] = isdlock
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inv = msg_inv([CInv(31, hash)])
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self.send_message(inv)
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def on_getdata(self, message):
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for inv in message.inv:
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if inv.hash in self.clsigs:
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self.send_message(self.clsigs[inv.hash])
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if inv.hash in self.islocks:
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self.send_message(self.islocks[inv.hash])
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class LLMQ_IS_CL_Conflicts(DashTestFramework):
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def set_test_params(self):
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self.set_dash_test_params(5, 4, fast_dip3_enforcement=True)
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self.set_dash_llmq_test_params(4, 4)
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self.supports_cli = False
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def run_test(self):
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self.test_node = self.nodes[0].add_p2p_connection(TestP2PConn())
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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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self.activate_v19(expected_activation_height=900)
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self.log.info("Activated v19 at height:" + str(self.nodes[0].getblockcount()))
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self.move_to_next_cycle()
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self.log.info("Cycle H height:" + str(self.nodes[0].getblockcount()))
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self.move_to_next_cycle()
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self.log.info("Cycle H+C height:" + str(self.nodes[0].getblockcount()))
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self.move_to_next_cycle()
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self.log.info("Cycle H+2C height:" + str(self.nodes[0].getblockcount()))
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self.mine_cycle_quorum(llmq_type_name='llmq_test_dip0024', llmq_type=103)
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# mine single block, wait for chainlock
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self.nodes[0].generate(1)
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self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash())
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self.test_chainlock_overrides_islock(False)
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self.test_chainlock_overrides_islock(True, False)
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self.test_chainlock_overrides_islock(True, True)
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self.test_chainlock_overrides_islock_overrides_nonchainlock()
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def test_chainlock_overrides_islock(self, test_block_conflict, mine_confllicting=False):
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if not test_block_conflict:
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assert not mine_confllicting
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# create three raw TXs, they will conflict with each other
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rawtx1 = self.create_raw_tx(self.nodes[0], self.nodes[0], 1, 1, 100)['hex']
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rawtx2 = self.create_raw_tx(self.nodes[0], self.nodes[0], 1, 1, 100)['hex']
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rawtx1_obj = tx_from_hex(rawtx1)
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rawtx2_obj = tx_from_hex(rawtx2)
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rawtx1_txid = self.nodes[0].sendrawtransaction(rawtx1)
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rawtx2_txid = hash256(bytes.fromhex(rawtx2))[::-1].hex()
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# Create a chained TX on top of tx1
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inputs = []
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n = 0
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for out in rawtx1_obj.vout:
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if out.nValue == 100000000:
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inputs.append({"txid": rawtx1_txid, "vout": n})
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n += 1
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rawtx4 = self.nodes[0].createrawtransaction(inputs, {self.nodes[0].getnewaddress(): 0.999})
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rawtx4 = self.nodes[0].signrawtransactionwithwallet(rawtx4)['hex']
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rawtx4_txid = self.nodes[0].sendrawtransaction(rawtx4)
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# wait for transactions to propagate
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self.sync_mempools()
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for node in self.nodes:
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self.wait_for_instantlock(rawtx1_txid, node)
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self.wait_for_instantlock(rawtx4_txid, node)
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block = create_block_with_mnpayments(self.mninfo, self.nodes[0], [rawtx2_obj])
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if test_block_conflict:
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# The block shouldn't be accepted/connected but it should be known to node 0 now
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submit_result = self.nodes[0].submitblock(block.serialize().hex())
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assert submit_result == "conflict-tx-lock"
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cl = self.create_chainlock(self.nodes[0].getblockcount() + 1, block)
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if mine_confllicting:
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islock_tip = self.nodes[0].generate(1)[-1]
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# Make sure we won't sent clsig too early
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self.sync_blocks()
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self.test_node.send_clsig(cl)
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for node in self.nodes:
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self.wait_for_best_chainlock(node, block.hash)
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self.sync_blocks()
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if mine_confllicting:
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# The tip with IS-locked txes should be marked conflicting now
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found1 = False
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found2 = False
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for tip in self.nodes[0].getchaintips(2):
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if tip["hash"] == islock_tip:
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assert tip["status"] == "conflicting"
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found1 = True
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elif tip["hash"] == block.hash:
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assert tip["status"] == "active"
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found2 = True
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assert found1 and found2
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# At this point all nodes should be in sync and have the same "best chainlock"
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submit_result = self.nodes[1].submitblock(block.serialize().hex())
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if test_block_conflict:
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# Node 1 should receive the block from node 0 and should not accept it again via submitblock
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assert submit_result == "duplicate"
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else:
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# The block should get accepted now, and at the same time prune the conflicting ISLOCKs
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assert submit_result is None
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self.wait_for_chainlocked_block_all_nodes(block.hash)
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# Create a chained TX on top of tx2
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inputs = []
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n = 0
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for out in rawtx2_obj.vout:
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if out.nValue == 100000000:
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inputs.append({"txid": rawtx2_txid, "vout": n})
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n += 1
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rawtx5 = self.nodes[0].createrawtransaction(inputs, {self.nodes[0].getnewaddress(): 0.999})
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rawtx5 = self.nodes[0].signrawtransactionwithwallet(rawtx5)['hex']
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rawtx5_txid = self.nodes[0].sendrawtransaction(rawtx5)
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# wait for the transaction to propagate
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self.sync_mempools()
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for node in self.nodes:
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self.wait_for_instantlock(rawtx5_txid, node)
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if mine_confllicting:
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# Lets verify that the ISLOCKs got pruned and conflicting txes were mined but never confirmed
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for node in self.nodes:
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rawtx = node.getrawtransaction(rawtx1_txid, True)
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assert not rawtx['chainlock']
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assert not rawtx['instantlock']
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assert not rawtx['instantlock_internal']
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assert_equal(rawtx['confirmations'], 0)
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assert_equal(rawtx['height'], -1)
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rawtx = node.getrawtransaction(rawtx4_txid, True)
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assert not rawtx['chainlock']
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assert not rawtx['instantlock']
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assert not rawtx['instantlock_internal']
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assert_equal(rawtx['confirmations'], 0)
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assert_equal(rawtx['height'], -1)
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rawtx = node.getrawtransaction(rawtx2_txid, True)
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assert rawtx['chainlock']
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assert rawtx['instantlock']
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assert not rawtx['instantlock_internal']
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else:
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# Lets verify that the ISLOCKs got pruned
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for node in self.nodes:
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assert_raises_rpc_error(-5, "No such mempool or blockchain transaction", node.getrawtransaction, rawtx1_txid, True)
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assert_raises_rpc_error(-5, "No such mempool or blockchain transaction", node.getrawtransaction, rawtx4_txid, True)
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rawtx = node.getrawtransaction(rawtx2_txid, True)
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assert rawtx['chainlock']
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assert rawtx['instantlock']
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assert not rawtx['instantlock_internal']
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def test_chainlock_overrides_islock_overrides_nonchainlock(self):
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# create two raw TXs, they will conflict with each other
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rawtx1 = self.create_raw_tx(self.nodes[0], self.nodes[0], 1, 1, 100)['hex']
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rawtx2 = self.create_raw_tx(self.nodes[0], self.nodes[0], 1, 1, 100)['hex']
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rawtx1_txid = hash256(bytes.fromhex(rawtx1))[::-1].hex()
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rawtx2_txid = hash256(bytes.fromhex(rawtx2))[::-1].hex()
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# Create an ISLOCK but don't broadcast it yet
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isdlock = self.create_isdlock(rawtx2)
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# Ensure spork uniqueness in multiple function runs
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self.bump_mocktime(1)
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# Disable ChainLocks to avoid accidental locking
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self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", 4070908800)
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self.wait_for_sporks_same()
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# Send tx1, which will later conflict with the ISLOCK
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self.nodes[0].sendrawtransaction(rawtx1)
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# fast forward 11 minutes, so that the TX is considered safe and included in the next block
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self.bump_mocktime(int(60 * 11))
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# Mine the conflicting TX into a block
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good_tip = self.nodes[0].getbestblockhash()
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self.nodes[0].generate(2)
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self.sync_all()
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# Assert that the conflicting tx got mined and the locked TX is not valid
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assert self.nodes[0].getrawtransaction(rawtx1_txid, True)['confirmations'] > 0
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assert_raises_rpc_error(-25, "bad-txns-inputs-missingorspent", self.nodes[0].sendrawtransaction, rawtx2)
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# Create the block and the corresponding clsig but do not relay clsig yet
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cl_block = create_block_with_mnpayments(self.mninfo, self.nodes[0])
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cl = self.create_chainlock(self.nodes[0].getblockcount() + 1, cl_block)
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self.nodes[0].submitblock(cl_block.serialize().hex())
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self.sync_all()
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assert self.nodes[0].getbestblockhash() == cl_block.hash
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# Send the ISLOCK, which should result in the last 2 blocks to be disconnected,
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# even though the nodes don't know the locked transaction yet
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self.test_node.send_isdlock(isdlock)
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for node in self.nodes:
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self.wait_until(lambda: node.getbestblockhash() == good_tip, timeout=10)
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# islock for tx2 is incomplete, tx1 should return in mempool now that blocks are disconnected
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assert rawtx1_txid in set(node.getrawmempool())
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# Should drop tx1 and accept tx2 because there is an isdlock waiting for it
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self.nodes[0].sendrawtransaction(rawtx2)
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# bump mocktime to force tx relay
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self.bump_mocktime(60)
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for node in self.nodes:
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self.wait_for_instantlock(rawtx2_txid, node)
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# Should not allow competing txes now
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assert_raises_rpc_error(-26, "tx-txlock-conflict", self.nodes[0].sendrawtransaction, rawtx1)
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islock_tip = self.nodes[0].generate(1)[0]
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self.sync_all()
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for node in self.nodes:
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self.wait_for_instantlock(rawtx2_txid, node)
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assert_equal(node.getrawtransaction(rawtx2_txid, True)['confirmations'], 1)
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assert_equal(node.getbestblockhash(), islock_tip)
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# Check that the CL-ed block overrides the one with islocks
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self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", 0) # Re-enable ChainLocks to accept clsig
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self.test_node.send_clsig(cl) # relay clsig ASAP to prevent nodes from locking islock-ed tip
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self.wait_for_sporks_same()
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for node in self.nodes:
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self.wait_for_chainlocked_block(node, cl_block.hash)
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# Previous tip should be marked as conflicting now
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assert_equal(node.getchaintips(2)[1]["status"], "conflicting")
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def create_chainlock(self, height, block):
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request_id_buf = ser_string(b"clsig") + struct.pack("<I", height)
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request_id = hash256(request_id_buf)[::-1].hex()
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message_hash = block.hash
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recSig = self.get_recovered_sig(request_id, message_hash)
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clsig = msg_clsig(height, block.sha256, bytes.fromhex(recSig['sig']))
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return clsig
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if __name__ == '__main__':
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LLMQ_IS_CL_Conflicts().main()
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