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In case of a failure to create the dump, the node should not be left in an inconsistent state like deactivated network activity or an invalidated blockchain.
76 lines
3.0 KiB
Python
Executable File
76 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2019-2022 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 the generation of UTXO snapshots using `dumptxoutset`.
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"""
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from test_framework.blocktools import COINBASE_MATURITY
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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assert_raises_rpc_error,
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sha256sum_file,
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)
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class DumptxoutsetTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 1
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def run_test(self):
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"""Test a trivial usage of the dumptxoutset RPC command."""
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node = self.nodes[0]
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mocktime = node.getblockheader(node.getblockhash(0))['time'] + 1
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node.setmocktime(mocktime)
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self.generate(node, COINBASE_MATURITY)
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FILENAME = 'txoutset.dat'
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out = node.dumptxoutset(FILENAME, "latest")
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expected_path = node.chain_path / FILENAME
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assert expected_path.is_file()
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assert_equal(out['coins_written'], 100)
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assert_equal(out['base_height'], 100)
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assert_equal(out['path'], str(expected_path))
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# Blockhash should be deterministic based on mocked time.
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assert_equal(
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out['base_hash'],
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'09abf0e7b510f61ca6cf33bab104e9ee99b3528b371d27a2d4b39abb800fba7e')
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# UTXO snapshot hash should be deterministic based on mocked time.
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assert_equal(
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sha256sum_file(str(expected_path)).hex(),
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'31fcdd0cf542a4b1dfc13c3c05106620ce48951ef62907dd8e5e8c15a0aa993b')
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assert_equal(
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out['txoutset_hash'], 'a0b7baa3bf5ccbd3279728f230d7ca0c44a76e9923fca8f32dbfd08d65ea496a')
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assert_equal(out['nchaintx'], 101)
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# Specifying a path to an existing or invalid file will fail.
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assert_raises_rpc_error(
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-8, '{} already exists'.format(FILENAME), node.dumptxoutset, FILENAME, "latest")
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invalid_path = node.datadir_path / "invalid" / "path"
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assert_raises_rpc_error(
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-8, "Couldn't open file {}.incomplete for writing".format(invalid_path), node.dumptxoutset, invalid_path, "latest")
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self.log.info(f"Test that dumptxoutset with unknown dump type fails")
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assert_raises_rpc_error(
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-8, 'Invalid snapshot type "bogus" specified. Please specify "rollback" or "latest"', node.dumptxoutset, 'utxos.dat', "bogus")
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self.log.info(f"Test that dumptxoutset failure does not leave the network activity suspended")
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rev_file = node.blocks_path / "rev00000.dat"
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bogus_file = node.blocks_path / "bogus.dat"
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rev_file.rename(bogus_file)
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assert_raises_rpc_error(
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-1, 'Could not roll back to requested height.', node.dumptxoutset, 'utxos.dat', rollback=99)
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assert_equal(node.getnetworkinfo()['networkactive'], True)
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# Cleanup
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bogus_file.rename(rev_file)
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if __name__ == '__main__':
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DumptxoutsetTest(__file__).main()
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