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#!/usr/bin/env python3
# Copyright (c) 2018-2020 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""upgradewallet RPC functional test
Test upgradewallet RPC. Download node binaries:
Requires previous releases binaries, see test/README.md.
Only v0.15.2 and v0.16.3 are required by this test.
"""
import os
import shutil
import struct
from io import BytesIO
from test_framework.blocktools import COINBASE_MATURITY
from test_framework.bdb import dump_bdb_kv
from test_framework.messages import deser_compact_size, deser_string
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_is_hex_string,
sha256sum_file,
)
UPGRADED_KEYMETA_VERSION = 12
def deser_keymeta(f):
ver, create_time = struct.unpack('<Iq', f.read(12))
kp_str = deser_string(f)
seed_id = f.read(20)
fpr = f.read(4)
path_len = 0
path = []
has_key_orig = False
if ver == UPGRADED_KEYMETA_VERSION:
path_len = deser_compact_size(f)
for i in range(0, path_len):
path.append(struct.unpack('<I', f.read(4))[0])
has_key_orig = bool(f.read(1))
return ver, create_time, kp_str, seed_id, fpr, path_len, path, has_key_orig
class UpgradeWalletTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 3
self.extra_args = [
["-addresstype=bech32", "-keypool=2"], # current wallet version
["-usehd=1", "-keypool=2"], # v0.16.3 wallet
["-usehd=0", "-keypool=2"] # v0.15.2 wallet
]
self.wallet_names = [self.default_wallet_name, None, None]
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
self.skip_if_no_bdb()
self.skip_if_no_previous_releases()
def setup_network(self):
self.setup_nodes()
def setup_nodes(self):
self.add_nodes(self.num_nodes, extra_args=self.extra_args, versions=[
None,
160300,
150200,
])
self.start_nodes()
self.import_deterministic_coinbase_privkeys()
def dumb_sync_blocks(self):
"""
Little helper to sync older wallets.
Notice that v0.15.2's regtest is hardforked, so there is
no sync for it.
v0.15.2 is only being used to test for version upgrade
and master hash key presence.
v0.16.3 is being used to test for version upgrade and balances.
Further info: https://github.com/bitcoin/bitcoin/pull/18774#discussion_r416967844
"""
node_from = self.nodes[0]
v16_3_node = self.nodes[1]
to_height = node_from.getblockcount()
height = self.nodes[1].getblockcount()
for i in range(height, to_height+1):
b = node_from.getblock(blockhash=node_from.getblockhash(i), verbose=0)
v16_3_node.submitblock(b)
assert_equal(v16_3_node.getblockcount(), to_height)
def test_upgradewallet(self, wallet, previous_version, requested_version=None, expected_version=None):
unchanged = expected_version == previous_version
new_version = previous_version if unchanged else expected_version if expected_version else requested_version
old_wallet_info = wallet.getwalletinfo()
assert_equal(old_wallet_info["walletversion"], previous_version)
assert_equal(wallet.upgradewallet(requested_version),
{
"wallet_name": old_wallet_info["walletname"],
"previous_version": previous_version,
"current_version": new_version,
"result": "Already at latest version. Wallet version unchanged." if unchanged else "Wallet upgraded successfully from version {} to version {}.".format(previous_version, new_version),
}
)
assert_equal(wallet.getwalletinfo()["walletversion"], new_version)
def test_upgradewallet_error(self, wallet, previous_version, requested_version, msg):
assert_equal(wallet.getwalletinfo()["walletversion"], previous_version)
assert_equal(wallet.upgradewallet(requested_version),
{
"wallet_name": "",
"previous_version": previous_version,
"current_version": previous_version,
"error": msg,
}
)
assert_equal(wallet.getwalletinfo()["walletversion"], previous_version)
def run_test(self):
self.nodes[0].generatetoaddress(COINBASE_MATURITY + 1, self.nodes[0].getnewaddress())
self.dumb_sync_blocks()
# # Sanity check the test framework:
res = self.nodes[0].getblockchaininfo()
assert_equal(res['blocks'], COINBASE_MATURITY + 1)
node_master = self.nodes[0]
v16_3_node = self.nodes[1]
v15_2_node = self.nodes[2]
# Send coins to old wallets for later conversion checks.
v16_3_wallet = v16_3_node.get_wallet_rpc('wallet.dat')
v16_3_address = v16_3_wallet.getnewaddress()
node_master.generatetoaddress(COINBASE_MATURITY + 1, v16_3_address)
self.dumb_sync_blocks()
v16_3_balance = v16_3_wallet.getbalance()
self.log.info("Test upgradewallet RPC...")
# Prepare for copying of the older wallet
node_master_wallet_dir = os.path.join(node_master.datadir, "regtest/wallets", self.default_wallet_name)
node_master_wallet = os.path.join(node_master_wallet_dir, self.default_wallet_name, self.wallet_data_filename)
v16_3_wallet = os.path.join(v16_3_node.datadir, "regtest/wallets/wallet.dat")
v15_2_wallet = os.path.join(v15_2_node.datadir, "regtest/wallet.dat")
split_hd_wallet = os.path.join(v15_2_node.datadir, "regtest/splithd")
self.stop_nodes()
# Make split hd wallet
self.start_node(2, ['-usehd=1', '-keypool=2', '-wallet=splithd'])
self.stop_node(2)
def copy_v16():
node_master.get_wallet_rpc(self.default_wallet_name).unloadwallet()
# Copy the 0.16.3 wallet to the last Bitcoin Core version and open it:
shutil.rmtree(node_master_wallet_dir)
os.mkdir(node_master_wallet_dir)
shutil.copy(
v16_3_wallet,
node_master_wallet_dir
)
node_master.loadwallet(self.default_wallet_name)
def copy_non_hd():
node_master.get_wallet_rpc(self.default_wallet_name).unloadwallet()
# Copy the 0.15.2 non hd wallet to the last Bitcoin Core version and open it:
shutil.rmtree(node_master_wallet_dir)
os.mkdir(node_master_wallet_dir)
shutil.copy(
v15_2_wallet,
node_master_wallet_dir
)
node_master.loadwallet(self.default_wallet_name)
def copy_split_hd():
node_master.get_wallet_rpc(self.default_wallet_name).unloadwallet()
# Copy the 0.15.2 split hd wallet to the last Bitcoin Core version and open it:
shutil.rmtree(node_master_wallet_dir)
os.mkdir(node_master_wallet_dir)
shutil.copy(
split_hd_wallet,
os.path.join(node_master_wallet_dir, 'wallet.dat')
)
node_master.loadwallet(self.default_wallet_name)
self.restart_node(0)
copy_v16()
wallet = node_master.get_wallet_rpc(self.default_wallet_name)
self.log.info("Test upgradewallet without a version argument")
self.test_upgradewallet(wallet, previous_version=159900, expected_version=169900)
# wallet should still contain the same balance
assert_equal(wallet.getbalance(), v16_3_balance)
copy_non_hd()
wallet = node_master.get_wallet_rpc(self.default_wallet_name)
# should have no master key hash before conversion
assert_equal('hdseedid' in wallet.getwalletinfo(), False)
self.log.info("Test upgradewallet with explicit version number")
self.test_upgradewallet(wallet, previous_version=60000, requested_version=169900)
# after conversion master key hash should be present
assert_is_hex_string(wallet.getwalletinfo()['hdseedid'])
self.log.info("Intermediary versions don't effect anything")
copy_non_hd()
# Wallet starts with 60000
assert_equal(60000, wallet.getwalletinfo()['walletversion'])
wallet.unloadwallet()
before_checksum = sha256sum_file(node_master_wallet)
node_master.loadwallet('')
# Test an "upgrade" from 60000 to 129999 has no effect, as the next version is 130000
self.test_upgradewallet(wallet, previous_version=60000, requested_version=129999, expected_version=60000)
wallet.unloadwallet()
assert_equal(before_checksum, sha256sum_file(node_master_wallet))
node_master.loadwallet('')
self.log.info('Wallets cannot be downgraded')
copy_non_hd()
self.test_upgradewallet_error(wallet, previous_version=60000, requested_version=40000,
msg="Cannot downgrade wallet from version 60000 to version 40000. Wallet version unchanged.")
wallet.unloadwallet()
assert_equal(before_checksum, sha256sum_file(node_master_wallet))
node_master.loadwallet('')
self.log.info('Can upgrade to HD')
# Inspect the old wallet and make sure there is no hdchain
orig_kvs = dump_bdb_kv(node_master_wallet)
assert b'\x07hdchain' not in orig_kvs
# Upgrade to HD, no split
self.test_upgradewallet(wallet, previous_version=60000, requested_version=130000)
# Check that there is now a hd chain and it is version 1, no internal chain counter
new_kvs = dump_bdb_kv(node_master_wallet)
assert b'\x07hdchain' in new_kvs
hd_chain = new_kvs[b'\x07hdchain']
assert_equal(28, len(hd_chain))
hd_chain_version, external_counter, seed_id = struct.unpack('<iI20s', hd_chain)
assert_equal(1, hd_chain_version)
seed_id = bytearray(seed_id)
seed_id.reverse()
old_kvs = new_kvs
# First 2 keys should still be non-HD
for i in range(0, 2):
info = wallet.getaddressinfo(wallet.getnewaddress())
assert 'hdkeypath' not in info
assert 'hdseedid' not in info
# Next key should be HD
info = wallet.getaddressinfo(wallet.getnewaddress())
assert_equal(seed_id.hex(), info['hdseedid'])
assert_equal('m/0\'/0\'/0\'', info['hdkeypath'])
prev_seed_id = info['hdseedid']
# Change key should be the same keypool
info = wallet.getaddressinfo(wallet.getrawchangeaddress())
assert_equal(prev_seed_id, info['hdseedid'])
assert_equal('m/0\'/0\'/1\'', info['hdkeypath'])
self.log.info('Cannot upgrade to HD Split, needs Pre Split Keypool')
for version in [139900, 159900, 169899]:
self.test_upgradewallet_error(wallet, previous_version=130000, requested_version=version,
msg="Cannot upgrade a non HD split wallet from version {} to version {} without upgrading to "
"support pre-split keypool. Please use version 169900 or no version specified.".format(130000, version))
self.log.info('Upgrade HD to HD chain split')
self.test_upgradewallet(wallet, previous_version=130000, requested_version=169900)
# Check that the hdchain updated correctly
new_kvs = dump_bdb_kv(node_master_wallet)
hd_chain = new_kvs[b'\x07hdchain']
assert_equal(32, len(hd_chain))
hd_chain_version, external_counter, seed_id, internal_counter = struct.unpack('<iI20sI', hd_chain)
assert_equal(2, hd_chain_version)
assert_equal(0, internal_counter)
seed_id = bytearray(seed_id)
seed_id.reverse()
assert_equal(seed_id.hex(), prev_seed_id)
# Next change address is the same keypool
info = wallet.getaddressinfo(wallet.getrawchangeaddress())
assert_equal(prev_seed_id, info['hdseedid'])
assert_equal('m/0\'/0\'/2\'', info['hdkeypath'])
# Next change address is the new keypool
info = wallet.getaddressinfo(wallet.getrawchangeaddress())
assert_equal(prev_seed_id, info['hdseedid'])
assert_equal('m/0\'/1\'/0\'', info['hdkeypath'])
# External addresses use the same keypool
info = wallet.getaddressinfo(wallet.getnewaddress())
assert_equal(prev_seed_id, info['hdseedid'])
assert_equal('m/0\'/0\'/3\'', info['hdkeypath'])
self.log.info('Upgrade non-HD to HD chain split')
copy_non_hd()
self.test_upgradewallet(wallet, previous_version=60000, requested_version=169900)
# Check that the hdchain updated correctly
new_kvs = dump_bdb_kv(node_master_wallet)
hd_chain = new_kvs[b'\x07hdchain']
assert_equal(32, len(hd_chain))
hd_chain_version, external_counter, seed_id, internal_counter = struct.unpack('<iI20sI', hd_chain)
assert_equal(2, hd_chain_version)
assert_equal(2, internal_counter)
# Drain the keypool by fetching one external key and one change key. Should still be the same keypool
info = wallet.getaddressinfo(wallet.getnewaddress())
assert 'hdseedid' not in info
assert 'hdkeypath' not in info
info = wallet.getaddressinfo(wallet.getrawchangeaddress())
assert 'hdseedid' not in info
assert 'hdkeypath' not in info
# The next addresses are HD and should be on different HD chains
info = wallet.getaddressinfo(wallet.getnewaddress())
ext_id = info['hdseedid']
assert_equal('m/0\'/0\'/0\'', info['hdkeypath'])
info = wallet.getaddressinfo(wallet.getrawchangeaddress())
assert_equal(ext_id, info['hdseedid'])
assert_equal('m/0\'/1\'/0\'', info['hdkeypath'])
self.log.info('KeyMetadata should upgrade when loading into master')
copy_v16()
old_kvs = dump_bdb_kv(v16_3_wallet)
new_kvs = dump_bdb_kv(node_master_wallet)
for k, old_v in old_kvs.items():
if k.startswith(b'\x07keymeta'):
new_ver, new_create_time, new_kp_str, new_seed_id, new_fpr, new_path_len, new_path, new_has_key_orig = deser_keymeta(BytesIO(new_kvs[k]))
old_ver, old_create_time, old_kp_str, old_seed_id, old_fpr, old_path_len, old_path, old_has_key_orig = deser_keymeta(BytesIO(old_v))
assert_equal(10, old_ver)
if old_kp_str == b"": # imported things that don't have keymeta (i.e. imported coinbase privkeys) won't be upgraded
assert_equal(new_kvs[k], old_v)
continue
assert_equal(12, new_ver)
assert_equal(new_create_time, old_create_time)
assert_equal(new_kp_str, old_kp_str)
assert_equal(new_seed_id, old_seed_id)
assert_equal(0, old_path_len)
assert_equal(new_path_len, len(new_path))
assert_equal([], old_path)
assert_equal(False, old_has_key_orig)
assert_equal(True, new_has_key_orig)
# Check that the path is right
built_path = []
for s in new_kp_str.decode().split('/')[1:]:
h = 0
if s[-1] == '\'':
s = s[:-1]
h = 0x80000000
p = int(s) | h
built_path.append(p)
assert_equal(new_path, built_path)
self.log.info('Upgrading to NO_DEFAULT_KEY should not remove the defaultkey')
copy_split_hd()
# Check the wallet has a default key initially
old_kvs = dump_bdb_kv(node_master_wallet)
defaultkey = old_kvs[b'\x0adefaultkey']
self.log.info("Upgrade the wallet. Should still have the same default key.")
self.test_upgradewallet(wallet, previous_version=139900, requested_version=159900)
new_kvs = dump_bdb_kv(node_master_wallet)
up_defaultkey = new_kvs[b'\x0adefaultkey']
assert_equal(defaultkey, up_defaultkey)
# 0.16.3 doesn't have a default key
v16_3_kvs = dump_bdb_kv(v16_3_wallet)
assert b'\x0adefaultkey' not in v16_3_kvs
if self.is_sqlite_compiled():
self.log.info("Checking that descriptor wallets do nothing, successfully")
self.nodes[0].createwallet(wallet_name="desc_upgrade", descriptors=True)
desc_wallet = self.nodes[0].get_wallet_rpc("desc_upgrade")
self.test_upgradewallet(desc_wallet, previous_version=169900, expected_version=169900)
if __name__ == '__main__':
UpgradeWalletTest().main()