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98 lines
4.1 KiB
Python
98 lines
4.1 KiB
Python
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#!/usr/bin/env python3
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# Copyright (c) 2021 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 legacy txindex will be disabled on upgrade.
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Previous releases are required by this test, see test/README.md.
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"""
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import os
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import shutil
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.wallet import MiniWallet
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class MempoolCompatibilityTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 3
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self.extra_args = [
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["-reindex", "-txindex"],
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["-txindex=0"],
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["-txindex=0"],
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]
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def skip_test_if_missing_module(self):
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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(
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self.num_nodes,
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self.extra_args,
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versions=[
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170003, # Last release with legacy txindex
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None, # For MiniWallet, without migration code
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18020200, # Any release with migration code (0.18.x - 21.x)
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# We are using v18.2.2 to avoid MigrateDBIfNeeded(2) routines as
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# they don't handle a no-upgrade case correctly
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],
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)
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# Delete v18.2.2 cached datadir to avoid making a legacy version try to
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# make sense of our current database formats
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shutil.rmtree(os.path.join(self.nodes[2].datadir, self.chain))
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self.start_nodes()
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self.connect_nodes(0, 1)
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self.connect_nodes(1, 2)
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def run_test(self):
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mini_wallet = MiniWallet(self.nodes[1])
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mini_wallet.rescan_utxos()
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spend_utxo = mini_wallet.get_utxo()
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mini_wallet.send_self_transfer(from_node=self.nodes[1], utxo_to_spend=spend_utxo)
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self.generate(self.nodes[1], 1)
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self.log.info("Check legacy txindex")
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self.nodes[0].getrawtransaction(txid=spend_utxo["txid"]) # Requires -txindex
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self.stop_nodes()
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legacy_chain_dir = os.path.join(self.nodes[0].datadir, self.chain)
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self.log.info("Migrate legacy txindex")
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migrate_chain_dir = os.path.join(self.nodes[2].datadir, self.chain)
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shutil.rmtree(migrate_chain_dir)
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shutil.copytree(legacy_chain_dir, migrate_chain_dir)
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with self.nodes[2].assert_debug_log([
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"Upgrading txindex database...",
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"txindex is enabled at height 200",
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]):
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self.start_node(2, extra_args=["-txindex"])
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self.nodes[2].getrawtransaction(txid=spend_utxo["txid"]) # Requires -txindex
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self.log.info("Drop legacy txindex")
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drop_index_chain_dir = os.path.join(self.nodes[1].datadir, self.chain)
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shutil.rmtree(drop_index_chain_dir)
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shutil.copytree(legacy_chain_dir, drop_index_chain_dir)
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self.nodes[1].assert_start_raises_init_error(
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extra_args=["-txindex"],
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expected_msg="Error: The block index db contains a legacy 'txindex'. To clear the occupied disk space, run a full -reindex, otherwise ignore this error. This error message will not be displayed again.",
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)
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# Build txindex from scratch and check there is no error this time
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self.start_node(1, extra_args=["-txindex"])
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self.nodes[2].getrawtransaction(txid=spend_utxo["txid"]) # Requires -txindex
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self.stop_nodes()
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self.log.info("Check migrated txindex can not be read by legacy node")
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err_msg = f": You need to rebuild the database using -reindex to change -txindex.{os.linesep}Please restart with -reindex or -reindex-chainstate to recover."
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shutil.rmtree(legacy_chain_dir)
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shutil.copytree(migrate_chain_dir, legacy_chain_dir)
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self.nodes[0].assert_start_raises_init_error(extra_args=["-txindex"], expected_msg=err_msg)
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shutil.rmtree(legacy_chain_dir)
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shutil.copytree(drop_index_chain_dir, legacy_chain_dir)
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self.nodes[0].assert_start_raises_init_error(extra_args=["-txindex"], expected_msg=err_msg)
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if __name__ == "__main__":
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MempoolCompatibilityTest().main()
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