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#!/usr/bin/env python3
# Copyright (c) 2019 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."""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_raises_rpc_error
)
class WalletDescriptorTest(BitcoinTestFramework):
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()
def run_test(self):
# 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")
# 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 * 3 types = 300 keys
self.log.info("Checking wallet info")
wallet_info = self.nodes[0].getwalletinfo()
assert_equal(wallet_info['format'], 'sqlite')
assert_equal(wallet_info['keypoolsize'], 300)
assert_equal(wallet_info['keypoolsize_hd_internal'], 300)
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/44\'/1\'/0\'/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/49\'/1\'/0\'/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/84\'/1\'/0\'/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/44\'/1\'/0\'/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/49\'/1\'/0\'/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/84\'/1\'/0\'/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
send_wrpc.generatetoaddress(101, 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, "This type of wallet does not support this command", recv_wrpc.rpc.importprivkey, "cVpF924EspNh8KjYsfhgY96mmxvT6DgdWiTYMtMjuM74hJaU5psW")
assert_raises_rpc_error(-4, "This type of wallet does not support this command", recv_wrpc.rpc.importpubkey, send_wrpc.getaddressinfo(send_wrpc.getnewaddress()))
assert_raises_rpc_error(-4, "This type of wallet does not support this command", recv_wrpc.rpc.importaddress, recv_wrpc.getnewaddress())
assert_raises_rpc_error(-4, "This type of wallet does not support this command", recv_wrpc.rpc.importmulti, [])
assert_raises_rpc_error(-4, "This type of wallet does not support this command", recv_wrpc.rpc.addmultisigaddress, 1, [recv_wrpc.getnewaddress()])
assert_raises_rpc_error(-4, "This type of wallet does not support this command", recv_wrpc.rpc.dumpprivkey, recv_wrpc.getnewaddress())
assert_raises_rpc_error(-4, "This type of wallet does not support this command", recv_wrpc.rpc.dumpwallet, 'wallet.dump')
assert_raises_rpc_error(-4, "This type of wallet does not support this command", recv_wrpc.rpc.importwallet, 'wallet.dump')
assert_raises_rpc_error(-4, "This type of wallet does not support 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')
send_wrpc.walletpassphrase('pass', 10)
addr = send_wrpc.getnewaddress()
info2 = send_wrpc.getaddressinfo(addr)
assert info1['hdmasterfingerprint'] != info2['hdmasterfingerprint']
send_wrpc.walletlock()
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")
send_wrpc.walletpassphrase('pass', 10)
send_wrpc.importdescriptors([{
"desc": "wpkh(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0h/*h)#y4dfsj7n",
"timestamp": "now",
"range": [0,10],
"active": True
}])
send_wrpc.walletlock()
# 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)
if __name__ == '__main__':
WalletDescriptorTest().main ()
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