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#!/usr/bin/env python3
# Copyright (c) 2022 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 unsupported utxo db causes an init error.
Previous releases are required by this test, see test/README.md.
"""
import shutil
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal
class UnsupportedUtxoDbTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 2
def skip_test_if_missing_module(self):
self.skip_if_no_previous_releases()
def setup_network(self):
self.add_nodes(
self.num_nodes,
versions=[
140300, # Last release with previous utxo db format
None, # For MiniWallet, without migration code
],
)
def run_test(self):
self.log.info("Create previous version (v0.14.3) utxo db")
self.start_node(0)
block = self.generate(self.nodes[0], 1, sync_fun=self.no_op)[-1]
assert_equal(self.nodes[0].getbestblockhash(), block)
assert_equal(self.nodes[0].gettxoutsetinfo()["total_amount"], 50)
self.stop_nodes()
self.log.info("Check init error")
legacy_utxos_dir = self.nodes[0].chain_path / "chainstate"
legacy_blocks_dir = self.nodes[0].chain_path / "blocks"
recent_utxos_dir = self.nodes[1].chain_path / "chainstate"
recent_blocks_dir = self.nodes[1].chain_path / "blocks"
shutil.copytree(legacy_utxos_dir, recent_utxos_dir)
shutil.copytree(legacy_blocks_dir, recent_blocks_dir)
self.nodes[1].assert_start_raises_init_error(
expected_msg="Error: Unsupported chainstate database format found. "
"Please restart with -reindex-chainstate. "
"This will rebuild the chainstate database.",
)
self.log.info("Drop legacy utxo db")
self.start_node(1, extra_args=["-reindex-chainstate"])
assert_equal(self.nodes[1].getbestblockhash(), block)
assert_equal(self.nodes[1].gettxoutsetinfo()["total_amount"], 50)
if __name__ == "__main__":
UnsupportedUtxoDbTest().main()
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