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84 lines
3.4 KiB
Python
Executable file
84 lines
3.4 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 check_expected_network(self, node, active):
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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'], active)
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# Cleanup
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bogus_file.rename(rev_file)
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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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'35cbc78d34cd311c914459deb0720da7935548b1e1ba165571b1ab67c37b4dce')
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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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'239ff618e80073b5bbc71405fb9177a971c5709efc186608f591efdb0c60cfee')
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assert_equal(
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out['txoutset_hash'], '13dd6c482748a6d1817fc3671a8d409edce1d19ee498ebcc891720105d1e265a')
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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("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("Test that dumptxoutset failure does not leave the network activity suspended when it was on previously")
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self.check_expected_network(node, True)
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self.log.info("Test that dumptxoutset failure leaves the network activity suspended when it was off")
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node.setnetworkactive(False)
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self.check_expected_network(node, False)
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node.setnetworkactive(True)
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if __name__ == '__main__':
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DumptxoutsetTest(__file__).main()
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