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49b1a468c7
fa41b0a6dac7afd77e2b94eca6520ab3d2adc231 pep-8 test/functional/test_framework/util.py (MarcoFalke)
faa841bc979ca306f5ba4d5f7b78fcc427b8e413 test: refactor: Inline adjust_bitcoin_conf_for_pre_17 (MarcoFalke)
Pull request description:
This removes mental and code complexity as well as attack surface for bikeshedding
ACKs for top commit:
Sjors:
utACK fa41b0a6dac7afd77e2b94eca6520ab3d2adc231
Tree-SHA512: 6e3c872e66d98ffaa7aecdfd64aa7dd8fbb51815a8fdaba170ce0772b4c3360084d0ebab4a5feac768ab5df50d04528d7daafc51ba07c15445c1ef94fa3efd34
78 lines
2.9 KiB
Python
Executable File
78 lines
2.9 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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The previous release v0.15.0.0 is required by this test, see test/README.md.
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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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150000, # oldest version supported by the test framework
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None,
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])
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self.extra_args = [
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[],
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[],
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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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