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a42303b506
Co-authored-by: Luke Dashjr <luke-jr+git@utopios.org> Co-authored-by: brunoerg <brunoely.gc@gmail.com>
112 lines
5.4 KiB
Python
Executable File
112 lines
5.4 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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import hashlib
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import os
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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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@staticmethod
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def check_output_file(path, is_human_readable, expected_digest):
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with open(str(path), 'rb') as f:
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content = f.read()
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if is_human_readable:
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# Normalise platform EOL to \n, while making sure any stray \n becomes a literal backslash+n to avoid a false positive
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# This ensures the platform EOL and only the platform EOL produces the expected hash
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linesep = os.linesep.encode('utf8')
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content = b'\n'.join(line.replace(b'\n', b'\\n') for line in content.split(linesep))
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digest = hashlib.sha256(content).hexdigest()
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# UTXO snapshot hash should be deterministic based on mocked time.
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assert_equal(digest, expected_digest)
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def test_dump_file(self, testname, params, expected_digest):
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node = self.nodes[0]
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self.log.info(testname)
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filename = testname + '_txoutset.dat'
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is_human_readable = not params.get('format') is None
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out = node.dumptxoutset(path=filename, **params)
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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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self.check_output_file(expected_path, is_human_readable, expected_digest)
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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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self.log.info("Test that 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 params.get('format') == ():
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with open(expected_path, 'r', encoding='utf-8') as f:
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content = f.readlines()
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sep = params.get('separator', ',')
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if params.get('show_header', True):
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assert_equal(content.pop(0).rstrip(),
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"#(blockhash 09abf0e7b510f61ca6cf33bab104e9ee99b3528b371d27a2d4b39abb800fba7e ) txid{s}vout{s}value{s}coinbase{s}height{s}scriptPubKey".format(s=sep))
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assert_equal(content[0].rstrip(),
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"b9edce02689692b1cdc3440d03011486a27c46b966248b922cc6e4315e900708{s}0{s}5000000000{s}1{s}78{s}76a9142b4569203694fc997e13f2c0a1383b9e16c77a0d88ac".format(s=sep))
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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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self.test_dump_file('no_option', {},
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'31fcdd0cf542a4b1dfc13c3c05106620ce48951ef62907dd8e5e8c15a0aa993b')
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self.test_dump_file('all_data', {'format': ()},
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'50d7bf3ecca8c5daf648aca884b91496386d8269ef001ff95a1db4381d399bfb')
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self.test_dump_file('partial_data_1', {'format': ('txid',)},
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'f9966db510b46d865a9412da88d17ac2c05c6bfe612ffc7c1b004aec1b508c5c')
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self.test_dump_file('partial_data_order', {'format': ('height', 'vout')},
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'0ef7e361fde77f5c9f3667b1d8ce4351ec8dc81826937da0dab5631e2aedc5fe')
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self.test_dump_file('partial_data_double', {'format': ('scriptPubKey', 'scriptPubKey')},
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'8bd128d326b971ea37bd28c016aae506e29d23dac578edd849636a8ab2ee31a8')
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self.test_dump_file('no_header', {'format': (), 'show_header': False},
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'af1f38ee1d1b8bbdc117ab7e8353910dab5ab45f18be27aa4fa7d96ccc96a050')
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self.test_dump_file('separator', {'format': (), 'separator': ':'},
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'5bee81096e400d1b3bf02de432e0fd4af8f4d9244907dc1c857ec329c5ce4490')
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self.test_dump_file('all_options', {'format': (), 'show_header': False, 'separator': ':'},
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'5c52c2a9bdb23946eb0f6d088f25ed8f5d9ebc3a3512182287975f1041cdedb4')
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# Other failing tests
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assert_raises_rpc_error(
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-8, 'unable to find item \'sample\'', node.dumptxoutset, path='xxx', format=['sample'])
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if __name__ == '__main__':
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DumptxoutsetTest(__file__).main()
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