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156 lines
7.0 KiB
Python
Executable File
156 lines
7.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015-2020 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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import time
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from test_framework.mininode import *
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from test_framework.test_framework import DashTestFramework
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from test_framework.util import *
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'''
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llmq-chainlocks.py
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Checks LLMQs based ChainLocks
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'''
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class LLMQChainLocksTest(DashTestFramework):
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def set_test_params(self):
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self.set_dash_test_params(4, 3, fast_dip3_enforcement=True)
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self.set_dash_dip8_activation(10)
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def run_test(self):
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self.log.info("Wait for dip0008 activation")
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while self.nodes[0].getblockchaininfo()["bip9_softforks"]["dip0008"]["status"] != "active":
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self.nodes[0].generate(10)
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sync_blocks(self.nodes, timeout=60*5)
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self.nodes[0].spork("SPORK_17_QUORUM_DKG_ENABLED", 0)
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self.wait_for_sporks_same()
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self.log.info("Mining 4 quorums")
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for i in range(4):
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self.mine_quorum()
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self.nodes[0].spork("SPORK_19_CHAINLOCKS_ENABLED", 0)
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self.wait_for_sporks_same()
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self.log.info("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.log.info("Mine many blocks, wait for chainlock")
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self.nodes[0].generate(20)
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# We need more time here due to 20 blocks being generated at once
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self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash(), timeout=30)
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self.log.info("Assert that all blocks up until the tip are chainlocked")
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for h in range(1, self.nodes[0].getblockcount()):
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block = self.nodes[0].getblock(self.nodes[0].getblockhash(h))
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assert(block['chainlock'])
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self.log.info("Isolate node, mine on another, and reconnect")
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isolate_node(self.nodes[0])
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node0_mining_addr = self.nodes[0].getnewaddress()
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node0_tip = self.nodes[0].getbestblockhash()
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self.nodes[1].generatetoaddress(5, node0_mining_addr)
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self.wait_for_chainlocked_block(self.nodes[1], self.nodes[1].getbestblockhash())
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assert(self.nodes[0].getbestblockhash() == node0_tip)
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reconnect_isolated_node(self.nodes[0], 1)
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self.nodes[1].generatetoaddress(1, node0_mining_addr)
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self.wait_for_chainlocked_block(self.nodes[0], self.nodes[1].getbestblockhash())
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self.log.info("Isolate node, mine on both parts of the network, and reconnect")
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isolate_node(self.nodes[0])
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self.nodes[0].generate(5)
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self.nodes[1].generatetoaddress(1, node0_mining_addr)
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good_tip = self.nodes[1].getbestblockhash()
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self.wait_for_chainlocked_block(self.nodes[1], good_tip)
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assert(not self.nodes[0].getblock(self.nodes[0].getbestblockhash())["chainlock"])
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reconnect_isolated_node(self.nodes[0], 1)
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self.nodes[1].generatetoaddress(1, node0_mining_addr)
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self.wait_for_chainlocked_block(self.nodes[0], self.nodes[1].getbestblockhash())
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assert(self.nodes[0].getblock(self.nodes[0].getbestblockhash())["previousblockhash"] == good_tip)
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assert(self.nodes[1].getblock(self.nodes[1].getbestblockhash())["previousblockhash"] == good_tip)
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self.log.info("Keep node connected and let it try to reorg the chain")
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good_tip = self.nodes[0].getbestblockhash()
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self.log.info("Restart it so that it forgets all the chainlocks from the past")
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self.stop_node(0)
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self.start_node(0)
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connect_nodes(self.nodes[0], 1)
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self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash())
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self.log.info("Now try to reorg the chain")
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self.nodes[0].generate(2)
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time.sleep(6)
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assert(self.nodes[1].getbestblockhash() == good_tip)
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self.nodes[0].generate(2)
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time.sleep(6)
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assert(self.nodes[1].getbestblockhash() == good_tip)
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self.log.info("Now let the node which is on the wrong chain reorg back to the locked chain")
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self.nodes[0].reconsiderblock(good_tip)
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assert(self.nodes[0].getbestblockhash() != good_tip)
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self.nodes[1].generatetoaddress(1, node0_mining_addr)
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self.wait_for_chainlocked_block(self.nodes[0], self.nodes[1].getbestblockhash())
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assert(self.nodes[0].getbestblockhash() == self.nodes[1].getbestblockhash())
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self.log.info("Enable LLMQ bases InstantSend, which also enables checks for \"safe\" transactions")
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self.nodes[0].spork("SPORK_2_INSTANTSEND_ENABLED", 0)
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self.nodes[0].spork("SPORK_3_INSTANTSEND_BLOCK_FILTERING", 0)
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self.wait_for_sporks_same()
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self.log.info("Isolate a node and let it create some transactions which won't get IS locked")
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isolate_node(self.nodes[0])
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txs = []
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for i in range(3):
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txs.append(self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1))
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txs += self.create_chained_txs(self.nodes[0], 1)
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self.log.info("Assert that after block generation these TXs are NOT included (as they are \"unsafe\")")
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self.nodes[0].generate(1)
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for txid in txs:
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tx = self.nodes[0].getrawtransaction(txid, 1)
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assert("confirmations" not in tx)
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time.sleep(1)
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assert(not self.nodes[0].getblock(self.nodes[0].getbestblockhash())["chainlock"])
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self.log.info("Disable LLMQ based InstantSend for a very short time (this never gets propagated to other nodes)")
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self.nodes[0].spork("SPORK_2_INSTANTSEND_ENABLED", 4070908800)
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self.log.info("Now the TXs should be included")
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self.nodes[0].generate(1)
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self.nodes[0].spork("SPORK_2_INSTANTSEND_ENABLED", 0)
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self.log.info("Assert that TXs got included now")
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for txid in txs:
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tx = self.nodes[0].getrawtransaction(txid, 1)
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assert("confirmations" in tx and tx["confirmations"] > 0)
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# Enable network on first node again, which will cause the blocks to propagate and IS locks to happen retroactively
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# for the mined TXs, which will then allow the network to create a CLSIG
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self.log.info("Reenable network on first node and wait for chainlock")
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reconnect_isolated_node(self.nodes[0], 1)
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self.wait_for_chainlocked_block(self.nodes[0], self.nodes[0].getbestblockhash(), timeout=30)
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def create_chained_txs(self, node, amount):
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txid = node.sendtoaddress(node.getnewaddress(), amount)
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tx = node.getrawtransaction(txid, 1)
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inputs = []
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valueIn = 0
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for txout in tx["vout"]:
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inputs.append({"txid": txid, "vout": txout["n"]})
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valueIn += txout["value"]
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outputs = {
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node.getnewaddress(): round(float(valueIn) - 0.0001, 6)
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}
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rawtx = node.createrawtransaction(inputs, outputs)
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rawtx = node.signrawtransaction(rawtx)
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rawtxid = node.sendrawtransaction(rawtx["hex"])
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return [txid, rawtxid]
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if __name__ == '__main__':
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LLMQChainLocksTest().main()
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