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dad8c67d38
64c0800Use logging in individual tests (John Newbery)38ad281Use logging in test_framework/comptool.py (John Newbery)ff19073Use logging in test_framework/blockstore.py (John Newbery)2a9c7c7Use logging in test_framework/util.py (John Newbery)b0dec4aRemove manual debug settings in qa tests. (John Newbery)af1363cAlways enable debug log and microsecond logging for test nodes. (John Newbery)6d0e325Use logging in mininode.py (John Newbery)553a976Add logging to p2p-segwit.py (John Newbery)0e6d23dAdd logging to test_framework.py (John Newbery) Tree-SHA512: 42ee2acbf444ec32d796f930f9f6e272da03c75e93d974a126d4ea9b2dbaa77cc57ab5e63ce3fd33d609049d884eb8d9f65272c08922d10f8db69d4a60ad05a3
102 lines
4.4 KiB
Python
Executable File
102 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 The Bitcoin 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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"""Test mempool re-org scenarios.
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Test re-org scenarios with a mempool that contains transactions
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that spend (directly or indirectly) coinbase transactions.
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"""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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# Create one-input, one-output, no-fee transaction:
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class MempoolCoinbaseTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.num_nodes = 2
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self.setup_clean_chain = False
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alert_filename = None # Set by setup_network
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def setup_network(self):
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args = ["-checkmempool"]
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self.nodes = []
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self.nodes.append(start_node(0, self.options.tmpdir, args))
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self.nodes.append(start_node(1, self.options.tmpdir, args))
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connect_nodes(self.nodes[1], 0)
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self.is_network_split = False
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self.sync_all()
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def run_test(self):
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start_count = self.nodes[0].getblockcount()
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# Mine three blocks. After this, nodes[0] blocks
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# 101, 102, and 103 are spend-able.
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new_blocks = self.nodes[1].generate(4)
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self.sync_all()
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node0_address = self.nodes[0].getnewaddress()
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node1_address = self.nodes[1].getnewaddress()
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# Three scenarios for re-orging coinbase spends in the memory pool:
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# 1. Direct coinbase spend : spend_101
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# 2. Indirect (coinbase spend in chain, child in mempool) : spend_102 and spend_102_1
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# 3. Indirect (coinbase and child both in chain) : spend_103 and spend_103_1
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# Use invalidatblock to make all of the above coinbase spends invalid (immature coinbase),
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# and make sure the mempool code behaves correctly.
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b = [ self.nodes[0].getblockhash(n) for n in range(101, 105) ]
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coinbase_txids = [ self.nodes[0].getblock(h)['tx'][0] for h in b ]
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spend_101_raw = create_tx(self.nodes[0], coinbase_txids[1], node1_address, 499.9)
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spend_102_raw = create_tx(self.nodes[0], coinbase_txids[2], node0_address, 499.9)
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spend_103_raw = create_tx(self.nodes[0], coinbase_txids[3], node0_address, 499.9)
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# Create a block-height-locked transaction which will be invalid after reorg
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timelock_tx = self.nodes[0].createrawtransaction([{"txid": coinbase_txids[0], "vout": 0}], {node0_address: 499.9})
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# Set the time lock
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timelock_tx = timelock_tx.replace("ffffffff", "11111191", 1)
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timelock_tx = timelock_tx[:-8] + hex(self.nodes[0].getblockcount() + 2)[2:] + "000000"
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timelock_tx = self.nodes[0].signrawtransaction(timelock_tx)["hex"]
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assert_raises(JSONRPCException, self.nodes[0].sendrawtransaction, timelock_tx)
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# Broadcast and mine spend_102 and 103:
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spend_102_id = self.nodes[0].sendrawtransaction(spend_102_raw)
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spend_103_id = self.nodes[0].sendrawtransaction(spend_103_raw)
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self.nodes[0].generate(1)
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assert_raises(JSONRPCException, self.nodes[0].sendrawtransaction, timelock_tx)
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# Create 102_1 and 103_1:
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spend_102_1_raw = create_tx(self.nodes[0], spend_102_id, node1_address, 499.8)
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spend_103_1_raw = create_tx(self.nodes[0], spend_103_id, node1_address, 499.8)
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# Broadcast and mine 103_1:
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spend_103_1_id = self.nodes[0].sendrawtransaction(spend_103_1_raw)
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last_block = self.nodes[0].generate(1)
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timelock_tx_id = self.nodes[0].sendrawtransaction(timelock_tx)
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# ... now put spend_101 and spend_102_1 in memory pools:
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spend_101_id = self.nodes[0].sendrawtransaction(spend_101_raw)
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spend_102_1_id = self.nodes[0].sendrawtransaction(spend_102_1_raw)
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self.sync_all()
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assert_equal(set(self.nodes[0].getrawmempool()), {spend_101_id, spend_102_1_id, timelock_tx_id})
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for node in self.nodes:
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node.invalidateblock(last_block[0])
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assert_equal(set(self.nodes[0].getrawmempool()), {spend_101_id, spend_102_1_id, spend_103_1_id})
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# Use invalidateblock to re-org back and make all those coinbase spends
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# immature/invalid:
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for node in self.nodes:
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node.invalidateblock(new_blocks[0])
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self.sync_all()
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# mempool should be empty.
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assert_equal(set(self.nodes[0].getrawmempool()), set())
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if __name__ == '__main__':
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MempoolCoinbaseTest().main()
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