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c1585bca8d
- Get rid of hardcoded wallet "" names and -wallet="" args - Get rid of setup_nodes (-wallet, -nowallet, -disablewallet) argument rewriting Motivation: - Simplify test framework behavior so it's easier to write new tests without having arguments mangled by the framework - Make tests more readable, replacing unexplained "" string literals with default_wallet_name references - Make it trivial to update default wallet name and wallet data filename for sqlite #19077 testing - Stop relying on -wallet arguments to create wallets, so it is easy to change -wallet option in the future to only load existing wallets not create new ones (to avoid accidental wallet creation, and encourage use of wallet encryption and descriptor features)
77 lines
3.0 KiB
Python
Executable File
77 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2017-2020 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 that mempool.dat is both backward and forward compatible between versions
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NOTE: The test is designed to prevent cases when compatibility is broken accidentally.
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In case we need to break mempool compatibility we can continue to use the test by just bumping the version number.
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Download node binaries:
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test/get_previous_releases.py -b v0.19.1 v0.18.1 v0.17.2 v0.16.3 v0.15.2
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Only v0.15.2 is required by this test. The rest is used in other backwards compatibility tests.
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"""
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import os
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from test_framework.test_framework import BitcoinTestFramework
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class MempoolCompatibilityTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 2
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self.wallet_names = [None, self.default_wallet_name]
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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self.skip_if_no_previous_releases()
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def setup_network(self):
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self.add_nodes(self.num_nodes, versions=[
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150200, # oldest version supported by the test framework
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None,
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])
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self.start_nodes()
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self.import_deterministic_coinbase_privkeys()
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def run_test(self):
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self.log.info("Test that mempool.dat is compatible between versions")
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old_node = self.nodes[0]
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new_node = self.nodes[1]
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recipient = old_node.getnewaddress()
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self.stop_node(1)
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self.log.info("Add a transaction to mempool on old node and shutdown")
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old_tx_hash = old_node.sendtoaddress(recipient, 0.0001)
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assert old_tx_hash in old_node.getrawmempool()
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self.stop_node(0)
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self.log.info("Move mempool.dat from old to new node")
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old_node_mempool = os.path.join(old_node.datadir, self.chain, 'mempool.dat')
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new_node_mempool = os.path.join(new_node.datadir, self.chain, 'mempool.dat')
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os.rename(old_node_mempool, new_node_mempool)
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self.log.info("Start new node and verify mempool contains the tx")
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self.start_node(1)
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assert old_tx_hash in new_node.getrawmempool()
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self.log.info("Add unbroadcasted tx to mempool on new node and shutdown")
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unbroadcasted_tx_hash = new_node.sendtoaddress(recipient, 0.0001)
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assert unbroadcasted_tx_hash in new_node.getrawmempool()
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mempool = new_node.getrawmempool(True)
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assert mempool[unbroadcasted_tx_hash]['unbroadcast']
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self.stop_node(1)
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self.log.info("Move mempool.dat from new to old node")
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os.rename(new_node_mempool, old_node_mempool)
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self.log.info("Start old node again and verify mempool contains both txs")
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self.start_node(0, ['-nowallet'])
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assert old_tx_hash in old_node.getrawmempool()
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assert unbroadcasted_tx_hash in old_node.getrawmempool()
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if __name__ == "__main__":
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MempoolCompatibilityTest().main()
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