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-BEGIN VERIFY SCRIPT- sed -i -e 's/\s*().main\s*()/(__file__).main()/' $(git ls-files test/functional/*.py) sed -i -e 's/def __init__(self)/def __init__(self, test_file)/' test/functional/test_framework/test_framework.py -END VERIFY SCRIPT-
62 lines
2.3 KiB
Python
Executable File
62 lines
2.3 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)
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expected_path = node.datadir_path / self.chain / 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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'2f775f82811150d310527b5ff773f81fb0fb517e941c543c1f7c4d38fd2717b3')
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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)
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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)
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if __name__ == '__main__':
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DumptxoutsetTest(__file__).main()
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