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#!/usr/bin/env python3
# Copyright (c) 2021 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test that legacy txindex will be disabled on upgrade.
Previous releases are required by this test, see test/README.md.
"""
import os
import shutil
from test_framework.test_framework import BitcoinTestFramework
from test_framework.wallet import MiniWallet
class MempoolCompatibilityTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 3
self.extra_args = [
["-reindex", "-txindex"],
[],
[],
]
def skip_test_if_missing_module(self):
self.skip_if_no_previous_releases()
def setup_network(self):
self.add_nodes(
self.num_nodes,
self.extra_args,
versions=[
160300, # Last release with legacy txindex
None, # For MiniWallet, without migration code
200100, # Any release with migration code (0.17.x - 22.x)
],
)
self.start_nodes()
self.connect_nodes(0, 1)
self.connect_nodes(1, 2)
def run_test(self):
mini_wallet = MiniWallet(self.nodes[1])
mini_wallet.rescan_utxos()
spend_utxo = mini_wallet.get_utxo()
mini_wallet.send_self_transfer(from_node=self.nodes[1], utxo_to_spend=spend_utxo)
self.generate(self.nodes[1], 1)
self.log.info("Check legacy txindex")
self.nodes[0].getrawtransaction(txid=spend_utxo["txid"]) # Requires -txindex
self.stop_nodes()
legacy_chain_dir = os.path.join(self.nodes[0].datadir, self.chain)
self.log.info("Migrate legacy txindex")
migrate_chain_dir = os.path.join(self.nodes[2].datadir, self.chain)
shutil.rmtree(migrate_chain_dir)
shutil.copytree(legacy_chain_dir, migrate_chain_dir)
with self.nodes[2].assert_debug_log([
"Upgrading txindex database...",
"txindex is enabled at height 200",
]):
self.start_node(2, extra_args=["-txindex"])
self.nodes[2].getrawtransaction(txid=spend_utxo["txid"]) # Requires -txindex
self.log.info("Drop legacy txindex")
drop_index_chain_dir = os.path.join(self.nodes[1].datadir, self.chain)
shutil.rmtree(drop_index_chain_dir)
shutil.copytree(legacy_chain_dir, drop_index_chain_dir)
self.nodes[1].assert_start_raises_init_error(
extra_args=["-txindex"],
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.",
)
# Build txindex from scratch and check there is no error this time
self.start_node(1, extra_args=["-txindex"])
self.nodes[2].getrawtransaction(txid=spend_utxo["txid"]) # Requires -txindex
self.stop_nodes()
self.log.info("Check migrated txindex cannot be read by legacy node")
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."
shutil.rmtree(legacy_chain_dir)
shutil.copytree(migrate_chain_dir, legacy_chain_dir)
self.nodes[0].assert_start_raises_init_error(extra_args=["-txindex"], expected_msg=err_msg)
shutil.rmtree(legacy_chain_dir)
shutil.copytree(drop_index_chain_dir, legacy_chain_dir)
self.nodes[0].assert_start_raises_init_error(extra_args=["-txindex"], expected_msg=err_msg)
if __name__ == "__main__":
MempoolCompatibilityTest().main()
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