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#!/usr/bin/env python3
# Copyright (c) 2019-2022 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test descriptor wallet function."""
try:
import sqlite3
except ImportError:
pass
import concurrent.futures
from test_framework.blocktools import COINBASE_MATURITY
from test_framework.descriptors import descsum_create
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_raises_rpc_error
)
from test_framework.wallet_util import WalletUnlock
class WalletDescriptorTest(BitcoinTestFramework):
def add_options(self, parser):
self.add_wallet_options(parser, legacy=False)
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 1
self.extra_args = [['-keypool=100']]
self.wallet_names = []
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
self.skip_if_no_sqlite()
self.skip_if_no_py_sqlite3()
def test_concurrent_writes(self):
self.log.info("Test sqlite concurrent writes are in the correct order")
self.restart_node(0, extra_args=["-unsafesqlitesync=0"])
self.nodes[0].createwallet(wallet_name="concurrency", blank=True)
wallet = self.nodes[0].get_wallet_rpc("concurrency")
# First import a descriptor that uses hardened dervation so that topping up
# Will require writing a ton to db
wallet.importdescriptors([{"desc":descsum_create("wpkh(tprv8ZgxMBicQKsPeuVhWwi6wuMQGfPKi9Li5GtX35jVNknACgqe3CY4g5xgkfDDJcmtF7o1QnxWDRYw4H5P26PXq7sbcUkEqeR4fg3Kxp2tigg/0h/0h/*h)"), "timestamp": "now", "active": True}])
with concurrent.futures.ThreadPoolExecutor(max_workers=1) as thread:
topup = thread.submit(wallet.keypoolrefill, newsize=1000)
# Then while the topup is running, we need to do something that will call
# ChainStateFlushed which will trigger a write to the db, hopefully at the
# same time that the topup still has an open db transaction.
self.nodes[0].cli.gettxoutsetinfo()
assert_equal(topup.result(), None)
wallet.unloadwallet()
# Check that everything was written
wallet_db = self.nodes[0].wallets_path / "concurrency" / self.wallet_data_filename
conn = sqlite3.connect(wallet_db)
with conn:
# Retrieve the bestblock_nomerkle record
bestblock_rec = conn.execute("SELECT value FROM main WHERE hex(key) = '1262657374626C6F636B5F6E6F6D65726B6C65'").fetchone()[0]
# Retrieve the number of descriptor cache records
# Since we store binary data, sqlite's comparison operators don't work everywhere
# so just retrieve all records and process them ourselves.
db_keys = conn.execute("SELECT key FROM main").fetchall()
cache_records = len([k[0] for k in db_keys if b"walletdescriptorcache" in k[0]])
conn.close()
assert_equal(bestblock_rec[5:37][::-1].hex(), self.nodes[0].getbestblockhash())
assert_equal(cache_records, 1000)
def run_test(self):
if self.is_bdb_compiled():
# Make a legacy wallet and check it is BDB
self.nodes[0].createwallet(wallet_name="legacy1", descriptors=False)
wallet_info = self.nodes[0].getwalletinfo()
assert_equal(wallet_info['format'], 'bdb')
self.nodes[0].unloadwallet("legacy1")
else:
self.log.warning("Skipping BDB test")
# Make a descriptor wallet
self.log.info("Making a descriptor wallet")
self.nodes[0].createwallet(wallet_name="desc1", descriptors=True)
# A descriptor wallet should have 100 addresses * 4 types = 400 keys
self.log.info("Checking wallet info")
wallet_info = self.nodes[0].getwalletinfo()
assert_equal(wallet_info['format'], 'sqlite')
assert_equal(wallet_info['keypoolsize'], 400)
assert_equal(wallet_info['keypoolsize_hd_internal'], 400)
assert 'keypoololdest' not in wallet_info
# Check that getnewaddress works
self.log.info("Test that getnewaddress and getrawchangeaddress work")
addr = self.nodes[0].getnewaddress("", "legacy")
addr_info = self.nodes[0].getaddressinfo(addr)
assert addr_info['desc'].startswith('pkh(')
assert_equal(addr_info['hdkeypath'], 'm/44h/1h/0h/0/0')
addr = self.nodes[0].getnewaddress("", "p2sh-segwit")
addr_info = self.nodes[0].getaddressinfo(addr)
assert addr_info['desc'].startswith('sh(wpkh(')
assert_equal(addr_info['hdkeypath'], 'm/49h/1h/0h/0/0')
addr = self.nodes[0].getnewaddress("", "bech32")
addr_info = self.nodes[0].getaddressinfo(addr)
assert addr_info['desc'].startswith('wpkh(')
assert_equal(addr_info['hdkeypath'], 'm/84h/1h/0h/0/0')
addr = self.nodes[0].getnewaddress("", "bech32m")
addr_info = self.nodes[0].getaddressinfo(addr)
assert addr_info['desc'].startswith('tr(')
assert_equal(addr_info['hdkeypath'], 'm/86h/1h/0h/0/0')
# Check that getrawchangeaddress works
addr = self.nodes[0].getrawchangeaddress("legacy")
addr_info = self.nodes[0].getaddressinfo(addr)
assert addr_info['desc'].startswith('pkh(')
assert_equal(addr_info['hdkeypath'], 'm/44h/1h/0h/1/0')
addr = self.nodes[0].getrawchangeaddress("p2sh-segwit")
addr_info = self.nodes[0].getaddressinfo(addr)
assert addr_info['desc'].startswith('sh(wpkh(')
assert_equal(addr_info['hdkeypath'], 'm/49h/1h/0h/1/0')
addr = self.nodes[0].getrawchangeaddress("bech32")
addr_info = self.nodes[0].getaddressinfo(addr)
assert addr_info['desc'].startswith('wpkh(')
assert_equal(addr_info['hdkeypath'], 'm/84h/1h/0h/1/0')
addr = self.nodes[0].getrawchangeaddress("bech32m")
addr_info = self.nodes[0].getaddressinfo(addr)
assert addr_info['desc'].startswith('tr(')
assert_equal(addr_info['hdkeypath'], 'm/86h/1h/0h/1/0')
# Make a wallet to receive coins at
self.nodes[0].createwallet(wallet_name="desc2", descriptors=True)
recv_wrpc = self.nodes[0].get_wallet_rpc("desc2")
send_wrpc = self.nodes[0].get_wallet_rpc("desc1")
# Generate some coins
self.generatetoaddress(self.nodes[0], COINBASE_MATURITY + 1, send_wrpc.getnewaddress())
# Make transactions
self.log.info("Test sending and receiving")
addr = recv_wrpc.getnewaddress()
send_wrpc.sendtoaddress(addr, 10)
# Make sure things are disabled
self.log.info("Test disabled RPCs")
assert_raises_rpc_error(-4, "Only legacy wallets are supported by this command", recv_wrpc.rpc.importprivkey, "cVpF924EspNh8KjYsfhgY96mmxvT6DgdWiTYMtMjuM74hJaU5psW")
assert_raises_rpc_error(-4, "Only legacy wallets are supported by this command", recv_wrpc.rpc.importpubkey, send_wrpc.getaddressinfo(send_wrpc.getnewaddress())["pubkey"])
assert_raises_rpc_error(-4, "Only legacy wallets are supported by this command", recv_wrpc.rpc.importaddress, recv_wrpc.getnewaddress())
assert_raises_rpc_error(-4, "Only legacy wallets are supported by this command", recv_wrpc.rpc.importmulti, [])
assert_raises_rpc_error(-4, "Only legacy wallets are supported by this command", recv_wrpc.rpc.addmultisigaddress, 1, [recv_wrpc.getnewaddress()])
assert_raises_rpc_error(-4, "Only legacy wallets are supported by this command", recv_wrpc.rpc.dumpprivkey, recv_wrpc.getnewaddress())
assert_raises_rpc_error(-4, "Only legacy wallets are supported by this command", recv_wrpc.rpc.dumpwallet, 'wallet.dump')
assert_raises_rpc_error(-4, "Only legacy wallets are supported by this command", recv_wrpc.rpc.importwallet, 'wallet.dump')
assert_raises_rpc_error(-4, "Only legacy wallets are supported by this command", recv_wrpc.rpc.sethdseed)
self.log.info("Test encryption")
# Get the master fingerprint before encrypt
info1 = send_wrpc.getaddressinfo(send_wrpc.getnewaddress())
# Encrypt wallet 0
send_wrpc.encryptwallet('pass')
with WalletUnlock(send_wrpc, "pass"):
addr = send_wrpc.getnewaddress()
info2 = send_wrpc.getaddressinfo(addr)
assert info1['hdmasterfingerprint'] != info2['hdmasterfingerprint']
assert 'hdmasterfingerprint' in send_wrpc.getaddressinfo(send_wrpc.getnewaddress())
info3 = send_wrpc.getaddressinfo(addr)
assert_equal(info2['desc'], info3['desc'])
self.log.info("Test that getnewaddress still works after keypool is exhausted in an encrypted wallet")
for _ in range(500):
send_wrpc.getnewaddress()
self.log.info("Test that unlock is needed when deriving only hardened keys in an encrypted wallet")
with WalletUnlock(send_wrpc, "pass"):
send_wrpc.importdescriptors([{
"desc": "wpkh(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0h/*h)#y4dfsj7n",
"timestamp": "now",
"range": [0,10],
"active": True
}])
# Exhaust keypool of 100
for _ in range(100):
send_wrpc.getnewaddress(address_type='bech32')
# This should now error
assert_raises_rpc_error(-12, "Keypool ran out, please call keypoolrefill first", send_wrpc.getnewaddress, '', 'bech32')
self.log.info("Test born encrypted wallets")
self.nodes[0].createwallet('desc_enc', False, False, 'pass', False, True)
enc_rpc = self.nodes[0].get_wallet_rpc('desc_enc')
enc_rpc.getnewaddress() # Makes sure that we can get a new address from a born encrypted wallet
self.log.info("Test blank descriptor wallets")
self.nodes[0].createwallet(wallet_name='desc_blank', blank=True, descriptors=True)
blank_rpc = self.nodes[0].get_wallet_rpc('desc_blank')
assert_raises_rpc_error(-4, 'This wallet has no available keys', blank_rpc.getnewaddress)
self.log.info("Test descriptor wallet with disabled private keys")
self.nodes[0].createwallet(wallet_name='desc_no_priv', disable_private_keys=True, descriptors=True)
nopriv_rpc = self.nodes[0].get_wallet_rpc('desc_no_priv')
assert_raises_rpc_error(-4, 'This wallet has no available keys', nopriv_rpc.getnewaddress)
self.log.info("Test descriptor exports")
self.nodes[0].createwallet(wallet_name='desc_export', descriptors=True)
exp_rpc = self.nodes[0].get_wallet_rpc('desc_export')
self.nodes[0].createwallet(wallet_name='desc_import', disable_private_keys=True, descriptors=True)
imp_rpc = self.nodes[0].get_wallet_rpc('desc_import')
addr_types = [('legacy', False, 'pkh(', '44h/1h/0h', -13),
('p2sh-segwit', False, 'sh(wpkh(', '49h/1h/0h', -14),
('bech32', False, 'wpkh(', '84h/1h/0h', -13),
('bech32m', False, 'tr(', '86h/1h/0h', -13),
('legacy', True, 'pkh(', '44h/1h/0h', -13),
('p2sh-segwit', True, 'sh(wpkh(', '49h/1h/0h', -14),
('bech32', True, 'wpkh(', '84h/1h/0h', -13),
('bech32m', True, 'tr(', '86h/1h/0h', -13)]
for addr_type, internal, desc_prefix, deriv_path, int_idx in addr_types:
int_str = 'internal' if internal else 'external'
self.log.info("Testing descriptor address type for {} {}".format(addr_type, int_str))
if internal:
addr = exp_rpc.getrawchangeaddress(address_type=addr_type)
else:
addr = exp_rpc.getnewaddress(address_type=addr_type)
desc = exp_rpc.getaddressinfo(addr)['parent_desc']
assert_equal(desc_prefix, desc[0:len(desc_prefix)])
idx = desc.index('/') + 1
assert_equal(deriv_path, desc[idx:idx + 9])
if internal:
assert_equal('1', desc[int_idx])
else:
assert_equal('0', desc[int_idx])
self.log.info("Testing the same descriptor is returned for address type {} {}".format(addr_type, int_str))
for i in range(0, 10):
if internal:
addr = exp_rpc.getrawchangeaddress(address_type=addr_type)
else:
addr = exp_rpc.getnewaddress(address_type=addr_type)
test_desc = exp_rpc.getaddressinfo(addr)['parent_desc']
assert_equal(desc, test_desc)
self.log.info("Testing import of exported {} descriptor".format(addr_type))
imp_rpc.importdescriptors([{
'desc': desc,
'active': True,
'next_index': 11,
'timestamp': 'now',
'internal': internal
}])
for i in range(0, 10):
if internal:
exp_addr = exp_rpc.getrawchangeaddress(address_type=addr_type)
imp_addr = imp_rpc.getrawchangeaddress(address_type=addr_type)
else:
exp_addr = exp_rpc.getnewaddress(address_type=addr_type)
imp_addr = imp_rpc.getnewaddress(address_type=addr_type)
assert_equal(exp_addr, imp_addr)
self.log.info("Test that loading descriptor wallet containing legacy key types throws error")
self.nodes[0].createwallet(wallet_name="crashme", descriptors=True)
self.nodes[0].unloadwallet("crashme")
wallet_db = self.nodes[0].wallets_path / "crashme" / self.wallet_data_filename
conn = sqlite3.connect(wallet_db)
with conn:
# add "cscript" entry: key type is uint160 (20 bytes), value type is CScript (zero-length here)
conn.execute('INSERT INTO main VALUES(?, ?)', (b'\x07cscript' + b'\x00'*20, b'\x00'))
conn.close()
assert_raises_rpc_error(-4, "Unexpected legacy entry in descriptor wallet found.", self.nodes[0].loadwallet, "crashme")
self.test_concurrent_writes()
if __name__ == '__main__':
WalletDescriptorTest().main ()
|
