01476a88a6
This changes -wallet setting to only load existing wallets, not create new ones. - Fixes settings.json corner cases reported by sjors & promag: https://github.com/bitcoin-core/gui/issues/95, https://github.com/bitcoin/bitcoin/pull/19754#issuecomment-685858578, https://github.com/bitcoin/bitcoin/pull/19754#issuecomment-685858578 - Prevents accidental creation of wallets reported most recently by jb55 http://www.erisian.com.au/bitcoin-core-dev/log-2020-09-14.html#l-355 - Simplifies behavior after #15454. #15454 took the big step of disabling creation of the default wallet. This PR extends it to avoid creating other wallets as well. With this change, new wallets just aren't created on startup, instead of sometimes being created, sometimes not. #15454 release notes are updated here and are simpler. This change should be targeted for 0.21.0. It's a bug fix and simplifies behavior of the #15937 / #19754 / #15454 features added in 0.21.0.
238 lines
10 KiB
Python
Executable file
238 lines
10 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright (c) 2018-2020 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 bitcoin-wallet."""
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import hashlib
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import os
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import stat
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import subprocess
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import textwrap
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal
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BUFFER_SIZE = 16 * 1024
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class ToolWalletTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.setup_clean_chain = True
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self.rpc_timeout = 120
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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self.skip_if_no_wallet_tool()
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def bitcoin_wallet_process(self, *args):
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binary = self.config["environment"]["BUILDDIR"] + '/src/bitcoin-wallet' + self.config["environment"]["EXEEXT"]
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args = ['-datadir={}'.format(self.nodes[0].datadir), '-chain=%s' % self.chain] + list(args)
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return subprocess.Popen([binary] + args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
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def assert_raises_tool_error(self, error, *args):
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p = self.bitcoin_wallet_process(*args)
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stdout, stderr = p.communicate()
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assert_equal(p.poll(), 1)
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assert_equal(stdout, '')
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assert_equal(stderr.strip(), error)
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def assert_tool_output(self, output, *args):
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p = self.bitcoin_wallet_process(*args)
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stdout, stderr = p.communicate()
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assert_equal(stderr, '')
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assert_equal(stdout, output)
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assert_equal(p.poll(), 0)
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def wallet_shasum(self):
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h = hashlib.sha1()
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mv = memoryview(bytearray(BUFFER_SIZE))
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with open(self.wallet_path, 'rb', buffering=0) as f:
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for n in iter(lambda: f.readinto(mv), 0):
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h.update(mv[:n])
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return h.hexdigest()
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def wallet_timestamp(self):
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return os.path.getmtime(self.wallet_path)
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def wallet_permissions(self):
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return oct(os.lstat(self.wallet_path).st_mode)[-3:]
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def log_wallet_timestamp_comparison(self, old, new):
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result = 'unchanged' if new == old else 'increased!'
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self.log.debug('Wallet file timestamp {}'.format(result))
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def test_invalid_tool_commands_and_args(self):
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self.log.info('Testing that various invalid commands raise with specific error messages')
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self.assert_raises_tool_error('Invalid command: foo', 'foo')
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# `bitcoin-wallet help` raises an error. Use `bitcoin-wallet -help`.
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self.assert_raises_tool_error('Invalid command: help', 'help')
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self.assert_raises_tool_error('Error: two methods provided (info and create). Only one method should be provided.', 'info', 'create')
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self.assert_raises_tool_error('Error parsing command line arguments: Invalid parameter -foo', '-foo')
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locked_dir = os.path.join(self.options.tmpdir, "node0", "regtest", "wallets")
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self.assert_raises_tool_error(
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'Error initializing wallet database environment "{}"!'.format(locked_dir),
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'-wallet=' + self.default_wallet_name,
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'info',
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)
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path = os.path.join(self.options.tmpdir, "node0", "regtest", "wallets", "nonexistent.dat")
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self.assert_raises_tool_error("Failed to load database path '{}'. Path does not exist.".format(path), '-wallet=nonexistent.dat', 'info')
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def test_tool_wallet_info(self):
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# Stop the node to close the wallet to call the info command.
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self.stop_node(0)
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self.log.info('Calling wallet tool info, testing output')
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#
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# TODO: Wallet tool info should work with wallet file permissions set to
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# read-only without raising:
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# "Error loading wallet.dat. Is wallet being used by another process?"
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# The following lines should be uncommented and the tests still succeed:
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#
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# self.log.debug('Setting wallet file permissions to 400 (read-only)')
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# os.chmod(self.wallet_path, stat.S_IRUSR)
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# assert self.wallet_permissions() in ['400', '666'] # Sanity check. 666 because Appveyor.
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# shasum_before = self.wallet_shasum()
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timestamp_before = self.wallet_timestamp()
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self.log.debug('Wallet file timestamp before calling info: {}'.format(timestamp_before))
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out = textwrap.dedent('''\
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Wallet info
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===========
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Name: \
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Format: bdb
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Descriptors: no
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Encrypted: no
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HD (hd seed available): yes
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Keypool Size: 2
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Transactions: 0
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Address Book: 3
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''')
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self.assert_tool_output(out, '-wallet=' + self.default_wallet_name, 'info')
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timestamp_after = self.wallet_timestamp()
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self.log.debug('Wallet file timestamp after calling info: {}'.format(timestamp_after))
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self.log_wallet_timestamp_comparison(timestamp_before, timestamp_after)
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self.log.debug('Setting wallet file permissions back to 600 (read/write)')
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os.chmod(self.wallet_path, stat.S_IRUSR | stat.S_IWUSR)
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assert self.wallet_permissions() in ['600', '666'] # Sanity check. 666 because Appveyor.
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#
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# TODO: Wallet tool info should not write to the wallet file.
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# The following lines should be uncommented and the tests still succeed:
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#
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# assert_equal(timestamp_before, timestamp_after)
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# shasum_after = self.wallet_shasum()
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# assert_equal(shasum_before, shasum_after)
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# self.log.debug('Wallet file shasum unchanged\n')
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def test_tool_wallet_info_after_transaction(self):
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"""
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Mutate the wallet with a transaction to verify that the info command
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output changes accordingly.
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"""
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self.start_node(0)
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self.log.info('Generating transaction to mutate wallet')
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self.nodes[0].generate(1)
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self.stop_node(0)
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self.log.info('Calling wallet tool info after generating a transaction, testing output')
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shasum_before = self.wallet_shasum()
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timestamp_before = self.wallet_timestamp()
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self.log.debug('Wallet file timestamp before calling info: {}'.format(timestamp_before))
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out = textwrap.dedent('''\
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Wallet info
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===========
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Name: \
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Format: bdb
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Descriptors: no
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Encrypted: no
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HD (hd seed available): yes
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Keypool Size: 2
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Transactions: 1
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Address Book: 3
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''')
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self.assert_tool_output(out, '-wallet=' + self.default_wallet_name, 'info')
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shasum_after = self.wallet_shasum()
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timestamp_after = self.wallet_timestamp()
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self.log.debug('Wallet file timestamp after calling info: {}'.format(timestamp_after))
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self.log_wallet_timestamp_comparison(timestamp_before, timestamp_after)
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#
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# TODO: Wallet tool info should not write to the wallet file.
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# This assertion should be uncommented and succeed:
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# assert_equal(timestamp_before, timestamp_after)
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assert_equal(shasum_before, shasum_after)
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self.log.debug('Wallet file shasum unchanged\n')
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def test_tool_wallet_create_on_existing_wallet(self):
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self.log.info('Calling wallet tool create on an existing wallet, testing output')
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shasum_before = self.wallet_shasum()
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timestamp_before = self.wallet_timestamp()
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self.log.debug('Wallet file timestamp before calling create: {}'.format(timestamp_before))
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out = textwrap.dedent('''\
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Topping up keypool...
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Wallet info
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===========
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Name: foo
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Format: bdb
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Descriptors: no
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Encrypted: no
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HD (hd seed available): yes
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Keypool Size: 2000
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Transactions: 0
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Address Book: 0
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''')
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self.assert_tool_output(out, '-wallet=foo', 'create')
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shasum_after = self.wallet_shasum()
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timestamp_after = self.wallet_timestamp()
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self.log.debug('Wallet file timestamp after calling create: {}'.format(timestamp_after))
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self.log_wallet_timestamp_comparison(timestamp_before, timestamp_after)
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assert_equal(timestamp_before, timestamp_after)
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assert_equal(shasum_before, shasum_after)
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self.log.debug('Wallet file shasum unchanged\n')
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def test_getwalletinfo_on_different_wallet(self):
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self.log.info('Starting node with arg -wallet=foo')
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self.start_node(0, ['-nowallet', '-wallet=foo'])
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self.log.info('Calling getwalletinfo on a different wallet ("foo"), testing output')
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shasum_before = self.wallet_shasum()
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timestamp_before = self.wallet_timestamp()
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self.log.debug('Wallet file timestamp before calling getwalletinfo: {}'.format(timestamp_before))
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out = self.nodes[0].getwalletinfo()
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self.stop_node(0)
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shasum_after = self.wallet_shasum()
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timestamp_after = self.wallet_timestamp()
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self.log.debug('Wallet file timestamp after calling getwalletinfo: {}'.format(timestamp_after))
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assert_equal(0, out['txcount'])
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assert_equal(1000, out['keypoolsize'])
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assert_equal(1000, out['keypoolsize_hd_internal'])
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assert_equal(True, 'hdseedid' in out)
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self.log_wallet_timestamp_comparison(timestamp_before, timestamp_after)
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assert_equal(timestamp_before, timestamp_after)
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assert_equal(shasum_after, shasum_before)
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self.log.debug('Wallet file shasum unchanged\n')
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def test_salvage(self):
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# TODO: Check salvage actually salvages and doesn't break things. https://github.com/bitcoin/bitcoin/issues/7463
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self.log.info('Check salvage')
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self.start_node(0)
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self.nodes[0].createwallet("salvage")
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self.stop_node(0)
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self.assert_tool_output('', '-wallet=salvage', 'salvage')
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def run_test(self):
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self.wallet_path = os.path.join(self.nodes[0].datadir, self.chain, 'wallets', self.default_wallet_name, self.wallet_data_filename)
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self.test_invalid_tool_commands_and_args()
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# Warning: The following tests are order-dependent.
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self.test_tool_wallet_info()
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self.test_tool_wallet_info_after_transaction()
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self.test_tool_wallet_create_on_existing_wallet()
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self.test_getwalletinfo_on_different_wallet()
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self.test_salvage()
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if __name__ == '__main__':
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ToolWalletTest().main()
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