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tests: Test bitcoin-wallet dump and createfromdump

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This commit is contained in:
Andrew Chow 2020-06-01 18:22:56 -04:00
parent a88c320041
commit 23cac24dd3
1 changed files with 161 additions and 0 deletions
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161
test/functional/tool_wallet.py
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@ -10,6 +10,8 @@ import stat
import subprocess
import textwrap
from collections import OrderedDict
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal
@ -96,6 +98,89 @@ class ToolWalletTest(BitcoinTestFramework):
Address Book: %d
''' % (wallet_name, keypool, transactions, address * output_types))
def read_dump(self, filename):
dump = OrderedDict()
with open(filename, "r", encoding="utf8") as f:
for row in f:
row = row.strip()
key, value = row.split(',')
dump[key] = value
return dump
def assert_is_sqlite(self, filename):
with open(filename, 'rb') as f:
file_magic = f.read(16)
assert file_magic == b'SQLite format 3\x00'
def assert_is_bdb(self, filename):
with open(filename, 'rb') as f:
f.seek(12, 0)
file_magic = f.read(4)
assert file_magic == b'\x00\x05\x31\x62' or file_magic == b'\x62\x31\x05\x00'
def write_dump(self, dump, filename, magic=None, skip_checksum=False):
if magic is None:
magic = "BITCOIN_CORE_WALLET_DUMP"
with open(filename, "w", encoding="utf8") as f:
row = ",".join([magic, dump[magic]]) + "\n"
f.write(row)
for k, v in dump.items():
if k == magic or k == "checksum":
continue
row = ",".join([k, v]) + "\n"
f.write(row)
if not skip_checksum:
row = ",".join(["checksum", dump["checksum"]]) + "\n"
f.write(row)
def assert_dump(self, expected, received):
e = expected.copy()
r = received.copy()
# BDB will add a "version" record that is not present in sqlite
# In that case, we should ignore this record in both
# But because this also effects the checksum, we also need to drop that.
v_key = "0776657273696f6e" # Version key
if v_key in e and v_key not in r:
del e[v_key]
del e["checksum"]
del r["checksum"]
if v_key not in e and v_key in r:
del r[v_key]
del e["checksum"]
del r["checksum"]
assert_equal(len(e), len(r))
for k, v in e.items():
assert_equal(v, r[k])
def do_tool_createfromdump(self, wallet_name, dumpfile, file_format=None):
dumppath = os.path.join(self.nodes[0].datadir, dumpfile)
rt_dumppath = os.path.join(self.nodes[0].datadir, "rt-{}.dump".format(wallet_name))
dump_data = self.read_dump(dumppath)
args = ["-wallet={}".format(wallet_name),
"-dumpfile={}".format(dumppath)]
if file_format is not None:
args.append("-format={}".format(file_format))
args.append("createfromdump")
load_output = ""
if file_format is not None and file_format != dump_data["format"]:
load_output += "Warning: Dumpfile wallet format \"{}\" does not match command line specified format \"{}\".\n".format(dump_data["format"], file_format)
self.assert_tool_output(load_output, *args)
assert os.path.isdir(os.path.join(self.nodes[0].datadir, "regtest/wallets", wallet_name))
self.assert_tool_output("The dumpfile may contain private keys. To ensure the safety of your Bitcoin, do not share the dumpfile.\n", '-wallet={}'.format(wallet_name), '-dumpfile={}'.format(rt_dumppath), 'dump')
rt_dump_data = self.read_dump(rt_dumppath)
wallet_dat = os.path.join(self.nodes[0].datadir, "regtest/wallets/", wallet_name, "wallet.dat")
if rt_dump_data["format"] == "bdb":
self.assert_is_bdb(wallet_dat)
else:
self.assert_is_sqlite(wallet_dat)
def test_invalid_tool_commands_and_args(self):
self.log.info('Testing that various invalid commands raise with specific error messages')
self.assert_raises_tool_error('Invalid command: foo', 'foo')
@ -228,6 +313,81 @@ class ToolWalletTest(BitcoinTestFramework):
self.assert_tool_output('', '-wallet=salvage', 'salvage')
def test_dump_createfromdump(self):
self.start_node(0)
self.nodes[0].createwallet("todump")
file_format = self.nodes[0].get_wallet_rpc("todump").getwalletinfo()["format"]
self.nodes[0].createwallet("todump2")
self.stop_node(0)
self.log.info('Checking dump arguments')
self.assert_raises_tool_error('No dump file provided. To use dump, -dumpfile=<filename> must be provided.', '-wallet=todump', 'dump')
self.log.info('Checking basic dump')
wallet_dump = os.path.join(self.nodes[0].datadir, "wallet.dump")
self.assert_tool_output('The dumpfile may contain private keys. To ensure the safety of your Bitcoin, do not share the dumpfile.\n', '-wallet=todump', '-dumpfile={}'.format(wallet_dump), 'dump')
dump_data = self.read_dump(wallet_dump)
orig_dump = dump_data.copy()
# Check the dump magic
assert_equal(dump_data['BITCOIN_CORE_WALLET_DUMP'], '1')
# Check the file format
assert_equal(dump_data["format"], file_format)
self.log.info('Checking that a dumpfile cannot be overwritten')
self.assert_raises_tool_error('File {} already exists. If you are sure this is what you want, move it out of the way first.'.format(wallet_dump), '-wallet=todump2', '-dumpfile={}'.format(wallet_dump), 'dump')
self.log.info('Checking createfromdump arguments')
self.assert_raises_tool_error('No dump file provided. To use createfromdump, -dumpfile=<filename> must be provided.', '-wallet=todump', 'createfromdump')
non_exist_dump = os.path.join(self.nodes[0].datadir, "wallet.nodump")
self.assert_raises_tool_error('Unknown wallet file format "notaformat" provided. Please provide one of "bdb" or "sqlite".', '-wallet=todump', '-format=notaformat', '-dumpfile={}'.format(wallet_dump), 'createfromdump')
self.assert_raises_tool_error('Dump file {} does not exist.'.format(non_exist_dump), '-wallet=todump', '-dumpfile={}'.format(non_exist_dump), 'createfromdump')
wallet_path = os.path.join(self.nodes[0].datadir, 'regtest/wallets/todump2')
self.assert_raises_tool_error('Failed to create database path \'{}\'. Database already exists.'.format(wallet_path), '-wallet=todump2', '-dumpfile={}'.format(wallet_dump), 'createfromdump')
self.log.info('Checking createfromdump')
self.do_tool_createfromdump("load", "wallet.dump")
self.do_tool_createfromdump("load-bdb", "wallet.dump", "bdb")
self.do_tool_createfromdump("load-sqlite", "wallet.dump", "sqlite")
self.log.info('Checking createfromdump handling of magic and versions')
bad_ver_wallet_dump = os.path.join(self.nodes[0].datadir, "wallet-bad_ver1.dump")
dump_data["BITCOIN_CORE_WALLET_DUMP"] = "0"
self.write_dump(dump_data, bad_ver_wallet_dump)
self.assert_raises_tool_error('Error: Dumpfile version is not supported. This version of bitcoin-wallet only supports version 1 dumpfiles. Got dumpfile with version 0', '-wallet=badload', '-dumpfile={}'.format(bad_ver_wallet_dump), 'createfromdump')
assert not os.path.isdir(os.path.join(self.nodes[0].datadir, "regtest/wallets", "badload"))
bad_ver_wallet_dump = os.path.join(self.nodes[0].datadir, "wallet-bad_ver2.dump")
dump_data["BITCOIN_CORE_WALLET_DUMP"] = "2"
self.write_dump(dump_data, bad_ver_wallet_dump)
self.assert_raises_tool_error('Error: Dumpfile version is not supported. This version of bitcoin-wallet only supports version 1 dumpfiles. Got dumpfile with version 2', '-wallet=badload', '-dumpfile={}'.format(bad_ver_wallet_dump), 'createfromdump')
assert not os.path.isdir(os.path.join(self.nodes[0].datadir, "regtest/wallets", "badload"))
bad_magic_wallet_dump = os.path.join(self.nodes[0].datadir, "wallet-bad_magic.dump")
del dump_data["BITCOIN_CORE_WALLET_DUMP"]
dump_data["not_the_right_magic"] = "1"
self.write_dump(dump_data, bad_magic_wallet_dump, "not_the_right_magic")
self.assert_raises_tool_error('Error: Dumpfile identifier record is incorrect. Got "not_the_right_magic", expected "BITCOIN_CORE_WALLET_DUMP".', '-wallet=badload', '-dumpfile={}'.format(bad_magic_wallet_dump), 'createfromdump')
assert not os.path.isdir(os.path.join(self.nodes[0].datadir, "regtest/wallets", "badload"))
self.log.info('Checking createfromdump handling of checksums')
bad_sum_wallet_dump = os.path.join(self.nodes[0].datadir, "wallet-bad_sum1.dump")
dump_data = orig_dump.copy()
checksum = dump_data["checksum"]
dump_data["checksum"] = "1" * 64
self.write_dump(dump_data, bad_sum_wallet_dump)
self.assert_raises_tool_error('Error: Dumpfile checksum does not match. Computed {}, expected {}'.format(checksum, "1" * 64), '-wallet=bad', '-dumpfile={}'.format(bad_sum_wallet_dump), 'createfromdump')
assert not os.path.isdir(os.path.join(self.nodes[0].datadir, "regtest/wallets", "badload"))
bad_sum_wallet_dump = os.path.join(self.nodes[0].datadir, "wallet-bad_sum2.dump")
del dump_data["checksum"]
self.write_dump(dump_data, bad_sum_wallet_dump, skip_checksum=True)
self.assert_raises_tool_error('Error: Missing checksum', '-wallet=badload', '-dumpfile={}'.format(bad_sum_wallet_dump), 'createfromdump')
assert not os.path.isdir(os.path.join(self.nodes[0].datadir, "regtest/wallets", "badload"))
bad_sum_wallet_dump = os.path.join(self.nodes[0].datadir, "wallet-bad_sum3.dump")
dump_data["checksum"] = "2" * 10
self.write_dump(dump_data, bad_sum_wallet_dump)
self.assert_raises_tool_error('Error: Dumpfile checksum does not match. Computed {}, expected {}{}'.format(checksum, "2" * 10, "0" * 54), '-wallet=badload', '-dumpfile={}'.format(bad_sum_wallet_dump), 'createfromdump')
assert not os.path.isdir(os.path.join(self.nodes[0].datadir, "regtest/wallets", "badload"))
def run_test(self):
self.wallet_path = os.path.join(self.nodes[0].datadir, self.chain, 'wallets', self.default_wallet_name, self.wallet_data_filename)
self.test_invalid_tool_commands_and_args()
@ -239,6 +399,7 @@ class ToolWalletTest(BitcoinTestFramework):
if not self.options.descriptors:
# Salvage is a legacy wallet only thing
self.test_salvage()
self.test_dump_createfromdump()
if __name__ == '__main__':
ToolWalletTest().main()