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bitcoin/test/functional/wallet_backwards_compatibility.py
Andrew Chow 313d665437 test: Fix 0.16 wallet paths and downgrade test 
The test for 0.16 wallet downgrading was using the wrong wallet path and
thus incorrectly finding that 0.16 could open wallets created in master.
2023-08-23 16:49:41 -04:00

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#!/usr/bin/env python3
# Copyright (c) 2018-2022 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Backwards compatibility functional test
Test various backwards compatibility scenarios. Requires previous releases binaries,
see test/README.md.
Due to RPC changes introduced in various versions the below tests
won't work for older versions without some patches or workarounds.
Use only the latest patch version of each release, unless a test specifically
needs an older patch version.
"""
import os
import shutil
from test_framework.blocktools import COINBASE_MATURITY
from test_framework.test_framework import BitcoinTestFramework
from test_framework.descriptors import descsum_create
from test_framework.util import (
assert_equal,
assert_raises_rpc_error,
)
class BackwardsCompatibilityTest(BitcoinTestFramework):
def add_options(self, parser):
self.add_wallet_options(parser)
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 11
# Add new version after each release:
self.extra_args = [
["-addresstype=bech32", "-whitelist=noban@127.0.0.1"], # Pre-release: use to mine blocks. noban for immediate tx relay
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=noban@127.0.0.1"], # Pre-release: use to receive coins, swap wallets, etc
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=noban@127.0.0.1"], # v24.0.1
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=noban@127.0.0.1"], # v23.0
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=noban@127.0.0.1"], # v22.0
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=noban@127.0.0.1"], # v0.21.0
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=noban@127.0.0.1"], # v0.20.1
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=noban@127.0.0.1"], # v0.19.1
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=127.0.0.1"], # v0.18.1
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=127.0.0.1"], # v0.17.2
["-nowallet", "-walletrbf=1", "-addresstype=bech32", "-whitelist=127.0.0.1", "-wallet=wallet.dat"], # v0.16.3
]
self.wallet_names = [self.default_wallet_name]
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
self.skip_if_no_previous_releases()
def setup_nodes(self):
self.add_nodes(self.num_nodes, extra_args=self.extra_args, versions=[
None,
None,
240001,
230000,
220000,
210000,
200100,
190100,
180100,
170200,
160300,
])
self.start_nodes()
self.import_deterministic_coinbase_privkeys()
def split_version(self, node):
major = node.version // 10000
minor = (node.version % 10000) // 100
patch = (node.version % 100)
return (major, minor, patch)
def major_version_equals(self, node, major):
node_major, _, _ = self.split_version(node)
return node_major == major
def major_version_less_than(self, node, major):
node_major, _, _ = self.split_version(node)
return node_major < major
def major_version_at_least(self, node, major):
node_major, _, _ = self.split_version(node)
return node_major >= major
def run_test(self):
node_miner = self.nodes[0]
node_master = self.nodes[1]
node_v19 = self.nodes[self.num_nodes - 4]
node_v18 = self.nodes[self.num_nodes - 3]
node_v17 = self.nodes[self.num_nodes - 2]
node_v16 = self.nodes[self.num_nodes - 1]
legacy_nodes = self.nodes[2:]
self.generatetoaddress(node_miner, COINBASE_MATURITY + 1, node_miner.getnewaddress())
# Sanity check the test framework:
res = node_v16.getblockchaininfo()
assert_equal(res['blocks'], COINBASE_MATURITY + 1)
self.log.info("Test wallet backwards compatibility...")
# Create a number of wallets and open them in older versions:
# w1: regular wallet, created on master: update this test when default
# wallets can no longer be opened by older versions.
node_master.createwallet(wallet_name="w1")
wallet = node_master.get_wallet_rpc("w1")
info = wallet.getwalletinfo()
assert info['private_keys_enabled']
assert info['keypoolsize'] > 0
# Create a confirmed transaction, receiving coins
address = wallet.getnewaddress()
node_miner.sendtoaddress(address, 10)
self.sync_mempools()
self.generate(node_miner, 1)
# Create a conflicting transaction using RBF
return_address = node_miner.getnewaddress()
tx1_id = node_master.sendtoaddress(return_address, 1)
tx2_id = node_master.bumpfee(tx1_id)["txid"]
# Confirm the transaction
self.sync_mempools()
self.generate(node_miner, 1)
# Create another conflicting transaction using RBF
tx3_id = node_master.sendtoaddress(return_address, 1)
tx4_id = node_master.bumpfee(tx3_id)["txid"]
# Abandon transaction, but don't confirm
node_master.abandontransaction(tx3_id)
# w1_v19: regular wallet, created with v0.19
node_v19.rpc.createwallet(wallet_name="w1_v19")
wallet = node_v19.get_wallet_rpc("w1_v19")
info = wallet.getwalletinfo()
assert info['private_keys_enabled']
assert info['keypoolsize'] > 0
# Use addmultisigaddress (see #18075)
address_18075 = wallet.rpc.addmultisigaddress(1, ["0296b538e853519c726a2c91e61ec11600ae1390813a627c66fb8be7947be63c52", "037211a824f55b505228e4c3d5194c1fcfaa15a456abdf37f9b9d97a4040afc073"], "", "legacy")["address"]
assert wallet.getaddressinfo(address_18075)["solvable"]
node_v19.unloadwallet("w1_v19")
# w1_v18: regular wallet, created with v0.18
node_v18.rpc.createwallet(wallet_name="w1_v18")
wallet = node_v18.get_wallet_rpc("w1_v18")
info = wallet.getwalletinfo()
assert info['private_keys_enabled']
assert info['keypoolsize'] > 0
# w2: wallet with private keys disabled, created on master: update this
# test when default wallets private keys disabled can no longer be
# opened by older versions.
node_master.createwallet(wallet_name="w2", disable_private_keys=True)
wallet = node_master.get_wallet_rpc("w2")
info = wallet.getwalletinfo()
assert info['private_keys_enabled'] == False
assert info['keypoolsize'] == 0
# w3: blank wallet, created on master: update this
# test when default blank wallets can no longer be opened by older versions.
node_master.createwallet(wallet_name="w3", blank=True)
wallet = node_master.get_wallet_rpc("w3")
info = wallet.getwalletinfo()
assert info['private_keys_enabled']
assert info['keypoolsize'] == 0
# Unload wallets and copy to older nodes:
node_master_wallets_dir = node_master.wallets_path
node_v19_wallets_dir = node_v19.wallets_path
node_v17_wallets_dir = node_v17.wallets_path
node_v16_wallets_dir = node_v16.wallets_path
node_master.unloadwallet("w1")
node_master.unloadwallet("w2")
node_master.unloadwallet("w3")
for node in legacy_nodes:
# Copy wallets to previous version
for wallet in os.listdir(node_master_wallets_dir):
dest = node.wallets_path / wallet
source = node_master_wallets_dir / wallet
if self.major_version_equals(node, 16):
# 0.16 node expect the wallet to be in the wallet dir but as a plain file rather than in directories
shutil.copyfile(source / "wallet.dat", dest)
else:
shutil.copytree(source, dest)
if not self.options.descriptors:
# Descriptor wallets break compatibility, only run this test for legacy wallet
# Load modern wallet with older nodes
for node in legacy_nodes:
for wallet_name in ["w1", "w2", "w3"]:
if node.version < 170000:
# loadwallet was introduced in v0.17.0
continue
if node.version < 180000 and wallet_name == "w3":
# Blank wallets were introduced in v0.18.0. We test the loading error below.
continue
node.loadwallet(wallet_name)
wallet = node.get_wallet_rpc(wallet_name)
info = wallet.getwalletinfo()
if wallet_name == "w1":
assert info['private_keys_enabled'] == True
assert info['keypoolsize'] > 0
txs = wallet.listtransactions()
assert_equal(len(txs), 5)
assert_equal(txs[1]["txid"], tx1_id)
assert_equal(txs[2]["walletconflicts"], [tx1_id])
assert_equal(txs[1]["replaced_by_txid"], tx2_id)
assert not txs[1]["abandoned"]
assert_equal(txs[1]["confirmations"], -1)
assert_equal(txs[2]["blockindex"], 1)
assert txs[3]["abandoned"]
assert_equal(txs[4]["walletconflicts"], [tx3_id])
assert_equal(txs[3]["replaced_by_txid"], tx4_id)
assert not hasattr(txs[3], "blockindex")
elif wallet_name == "w2":
assert info['private_keys_enabled'] == False
assert info['keypoolsize'] == 0
else:
assert info['private_keys_enabled'] == True
assert info['keypoolsize'] == 0
else:
for node in legacy_nodes:
# Descriptor wallets appear to be corrupted wallets to old software
# and loadwallet is introduced in v0.17.0
if node.version >= 170000 and node.version < 210000:
for wallet_name in ["w1", "w2", "w3"]:
assert_raises_rpc_error(-4, "Wallet file verification failed: wallet.dat corrupt, salvage failed", node.loadwallet, wallet_name)
# RPC loadwallet failure causes bitcoind to exit, in addition to the RPC
# call failure, so the following test won't work:
# assert_raises_rpc_error(-4, "Wallet loading failed.", node_v17.loadwallet, 'w3')
# Instead, we stop node and try to launch it with the wallet:
self.stop_node(node_v17.index)
if self.options.descriptors:
# Descriptor wallets appear to be corrupted wallets to old software
node_v17.assert_start_raises_init_error(["-wallet=w1"], "Error: wallet.dat corrupt, salvage failed")
node_v17.assert_start_raises_init_error(["-wallet=w2"], "Error: wallet.dat corrupt, salvage failed")
node_v17.assert_start_raises_init_error(["-wallet=w3"], "Error: wallet.dat corrupt, salvage failed")
else:
node_v17.assert_start_raises_init_error(["-wallet=w3"], "Error: Error loading w3: Wallet requires newer version of Bitcoin Core")
self.start_node(node_v17.index)
# No wallet created in master can be opened in 0.16
self.log.info("Test that wallets created in master are too new for 0.16")
self.stop_node(node_v16.index)
for wallet_name in ["w1", "w2", "w3"]:
if self.options.descriptors:
node_v16.assert_start_raises_init_error([f"-wallet={wallet_name}"], f"Error: {wallet_name} corrupt, salvage failed")
else:
node_v16.assert_start_raises_init_error([f"-wallet={wallet_name}"], f"Error: Error loading {wallet_name}: Wallet requires newer version of Bitcoin Core")
# Create upgrade wallet in v0.16
self.restart_node(node_v16.index, extra_args=["-wallet=u1_v16"])
wallet = node_v16.get_wallet_rpc("u1_v16")
v16_addr = wallet.getnewaddress('', "bech32")
v16_info = wallet.validateaddress(v16_addr)
v16_pubkey = v16_info['pubkey']
self.stop_node(node_v16.index)
self.log.info("Test wallet upgrade path...")
# u1: regular wallet, created with v0.17
node_v17.rpc.createwallet(wallet_name="u1_v17")
wallet = node_v17.get_wallet_rpc("u1_v17")
address = wallet.getnewaddress("bech32")
v17_info = wallet.getaddressinfo(address)
hdkeypath = v17_info["hdkeypath"].replace("'", "h")
pubkey = v17_info["pubkey"]
if self.is_bdb_compiled():
# Old wallets are BDB and will only work if BDB is compiled
# Copy the 0.16 wallet to the last Bitcoin Core version and open it:
shutil.copyfile(
os.path.join(node_v16_wallets_dir, "u1_v16"),
os.path.join(node_master_wallets_dir, "u1_v16")
)
load_res = node_master.loadwallet("u1_v16")
# Make sure this wallet opens with only the migration warning. See https://github.com/bitcoin/bitcoin/pull/19054
if int(node_master.getnetworkinfo()["version"]) >= 249900:
# loadwallet#warnings (added in v25) -- only present if there is a warning
# Legacy wallets will have only a deprecation warning
assert_equal(load_res["warnings"], ["Wallet loaded successfully. The legacy wallet type is being deprecated and support for creating and opening legacy wallets will be removed in the future. Legacy wallets can be migrated to a descriptor wallet with migratewallet."])
else:
# loadwallet#warning (deprecated in v25) -- always present, but empty string if no warning
assert_equal(load_res["warning"], '')
wallet = node_master.get_wallet_rpc("u1_v16")
info = wallet.getaddressinfo(v16_addr)
descriptor = f"wpkh([{info['hdmasterfingerprint']}{hdkeypath[1:]}]{v16_pubkey})"
assert_equal(info["desc"], descsum_create(descriptor))
# Now copy that same wallet back to 0.16 to make sure no automatic upgrade breaks it
node_master.unloadwallet("u1_v16")
os.remove(os.path.join(node_v16_wallets_dir, "u1_v16"))
shutil.copyfile(
os.path.join(node_master_wallets_dir, "u1_v16"),
os.path.join(node_v16_wallets_dir, "u1_v16")
)
self.start_node(node_v16.index, extra_args=["-wallet=u1_v16"])
wallet = node_v16.get_wallet_rpc("u1_v16")
info = wallet.validateaddress(v16_addr)
assert_equal(info, v16_info)
# Copy the 0.17 wallet to the last Bitcoin Core version and open it:
node_v17.unloadwallet("u1_v17")
shutil.copytree(
os.path.join(node_v17_wallets_dir, "u1_v17"),
os.path.join(node_master_wallets_dir, "u1_v17")
)
node_master.loadwallet("u1_v17")
wallet = node_master.get_wallet_rpc("u1_v17")
info = wallet.getaddressinfo(address)
descriptor = f"wpkh([{info['hdmasterfingerprint']}{hdkeypath[1:]}]{pubkey})"
assert_equal(info["desc"], descsum_create(descriptor))
# Now copy that same wallet back to 0.17 to make sure no automatic upgrade breaks it
node_master.unloadwallet("u1_v17")
shutil.rmtree(os.path.join(node_v17_wallets_dir, "u1_v17"))
shutil.copytree(
os.path.join(node_master_wallets_dir, "u1_v17"),
os.path.join(node_v17_wallets_dir, "u1_v17")
)
node_v17.loadwallet("u1_v17")
wallet = node_v17.get_wallet_rpc("u1_v17")
info = wallet.getaddressinfo(address)
assert_equal(info, v17_info)
# Copy the 0.19 wallet to the last Bitcoin Core version and open it:
shutil.copytree(
os.path.join(node_v19_wallets_dir, "w1_v19"),
os.path.join(node_master_wallets_dir, "w1_v19")
)
node_master.loadwallet("w1_v19")
wallet = node_master.get_wallet_rpc("w1_v19")
assert wallet.getaddressinfo(address_18075)["solvable"]
# Now copy that same wallet back to 0.19 to make sure no automatic upgrade breaks it
node_master.unloadwallet("w1_v19")
shutil.rmtree(os.path.join(node_v19_wallets_dir, "w1_v19"))
shutil.copytree(
os.path.join(node_master_wallets_dir, "w1_v19"),
os.path.join(node_v19_wallets_dir, "w1_v19")
)
node_v19.loadwallet("w1_v19")
wallet = node_v19.get_wallet_rpc("w1_v19")
assert wallet.getaddressinfo(address_18075)["solvable"]
if __name__ == '__main__':
BackwardsCompatibilityTest().main()
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