aboutsummaryrefslogtreecommitdiff
path: root/test/functional/wallet_descriptor.py
blob: e9321b72e2069501c5f61d6a1528960ed2814ee1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
#!/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

from test_framework.blocktools import COINBASE_MATURITY
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 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")


if __name__ == '__main__':
    WalletDescriptorTest().main ()