aboutsummaryrefslogtreecommitdiff
path: root/test/functional/rpc_createmultisig.py
blob: af515f3a27edf02064232ca5985d376312a02be4 (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
#!/usr/bin/env python3
# Copyright (c) 2015-2020 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test multisig RPCs"""
import binascii
import decimal
import itertools
import json
import os

from test_framework.blocktools import COINBASE_MATURITY
from test_framework.authproxy import JSONRPCException
from test_framework.descriptors import descsum_create, drop_origins
from test_framework.key import ECPubKey, ECKey
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
    assert_raises_rpc_error,
    assert_equal,
)
from test_framework.wallet_util import bytes_to_wif

class RpcCreateMultiSigTest(BitcoinTestFramework):
    def set_test_params(self):
        self.setup_clean_chain = True
        self.num_nodes = 3
        self.supports_cli = False

    def skip_test_if_missing_module(self):
        self.skip_if_no_wallet()

    def get_keys(self):
        self.pub = []
        self.priv = []
        node0, node1, node2 = self.nodes
        for _ in range(self.nkeys):
            k = ECKey()
            k.generate()
            self.pub.append(k.get_pubkey().get_bytes().hex())
            self.priv.append(bytes_to_wif(k.get_bytes(), k.is_compressed))
        self.final = node2.getnewaddress()

    def run_test(self):
        node0, node1, node2 = self.nodes

        self.check_addmultisigaddress_errors()

        self.log.info('Generating blocks ...')
        node0.generate(149)
        self.sync_all()

        self.moved = 0
        for self.nkeys in [3, 5]:
            for self.nsigs in [2, 3]:
                for self.output_type in ["bech32", "p2sh-segwit", "legacy"]:
                    self.get_keys()
                    self.do_multisig()

        self.checkbalances()

        # Test mixed compressed and uncompressed pubkeys
        self.log.info('Mixed compressed and uncompressed multisigs are not allowed')
        pk0 = node0.getaddressinfo(node0.getnewaddress())['pubkey']
        pk1 = node1.getaddressinfo(node1.getnewaddress())['pubkey']
        pk2 = node2.getaddressinfo(node2.getnewaddress())['pubkey']

        # decompress pk2
        pk_obj = ECPubKey()
        pk_obj.set(binascii.unhexlify(pk2))
        pk_obj.compressed = False
        pk2 = binascii.hexlify(pk_obj.get_bytes()).decode()

        node0.createwallet(wallet_name='wmulti0', disable_private_keys=True)
        wmulti0 = node0.get_wallet_rpc('wmulti0')

        # Check all permutations of keys because order matters apparently
        for keys in itertools.permutations([pk0, pk1, pk2]):
            # Results should be the same as this legacy one
            legacy_addr = node0.createmultisig(2, keys, 'legacy')['address']
            assert_equal(legacy_addr, wmulti0.addmultisigaddress(2, keys, '', 'legacy')['address'])

            # Generate addresses with the segwit types. These should all make legacy addresses
            assert_equal(legacy_addr, wmulti0.createmultisig(2, keys, 'bech32')['address'])
            assert_equal(legacy_addr, wmulti0.createmultisig(2, keys, 'p2sh-segwit')['address'])
            assert_equal(legacy_addr, wmulti0.addmultisigaddress(2, keys, '', 'bech32')['address'])
            assert_equal(legacy_addr, wmulti0.addmultisigaddress(2, keys, '', 'p2sh-segwit')['address'])

        self.log.info('Testing sortedmulti descriptors with BIP 67 test vectors')
        with open(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'data/rpc_bip67.json'), encoding='utf-8') as f:
            vectors = json.load(f)

        for t in vectors:
            key_str = ','.join(t['keys'])
            desc = descsum_create('sh(sortedmulti(2,{}))'.format(key_str))
            assert_equal(self.nodes[0].deriveaddresses(desc)[0], t['address'])
            sorted_key_str = ','.join(t['sorted_keys'])
            sorted_key_desc = descsum_create('sh(multi(2,{}))'.format(sorted_key_str))
            assert_equal(self.nodes[0].deriveaddresses(sorted_key_desc)[0], t['address'])

    def check_addmultisigaddress_errors(self):
        if self.options.descriptors:
            return
        self.log.info('Check that addmultisigaddress fails when the private keys are missing')
        addresses = [self.nodes[1].getnewaddress(address_type='legacy') for _ in range(2)]
        assert_raises_rpc_error(-5, 'no full public key for address', lambda: self.nodes[0].addmultisigaddress(nrequired=1, keys=addresses))
        for a in addresses:
            # Importing all addresses should not change the result
            self.nodes[0].importaddress(a)
        assert_raises_rpc_error(-5, 'no full public key for address', lambda: self.nodes[0].addmultisigaddress(nrequired=1, keys=addresses))

    def checkbalances(self):
        node0, node1, node2 = self.nodes
        node0.generate(COINBASE_MATURITY)
        self.sync_all()

        bal0 = node0.getbalance()
        bal1 = node1.getbalance()
        bal2 = node2.getbalance()

        height = node0.getblockchaininfo()["blocks"]
        assert 150 < height < 350
        total = 149 * 50 + (height - 149 - 100) * 25
        assert bal1 == 0
        assert bal2 == self.moved
        assert bal0 + bal1 + bal2 == total

    def do_multisig(self):
        node0, node1, node2 = self.nodes
        if 'wmulti' not in node1.listwallets():
            try:
                node1.loadwallet('wmulti')
            except JSONRPCException as e:
                path = os.path.join(self.options.tmpdir, "node1", "regtest", "wallets", "wmulti")
                if e.error['code'] == -18 and "Wallet file verification failed. Failed to load database path '{}'. Path does not exist.".format(path) in e.error['message']:
                    node1.createwallet(wallet_name='wmulti', disable_private_keys=True)
                else:
                    raise
        wmulti = node1.get_wallet_rpc('wmulti')

        # Construct the expected descriptor
        desc = 'multi({},{})'.format(self.nsigs, ','.join(self.pub))
        if self.output_type == 'legacy':
            desc = 'sh({})'.format(desc)
        elif self.output_type == 'p2sh-segwit':
            desc = 'sh(wsh({}))'.format(desc)
        elif self.output_type == 'bech32':
            desc = 'wsh({})'.format(desc)
        desc = descsum_create(desc)

        msig = node2.createmultisig(self.nsigs, self.pub, self.output_type)
        madd = msig["address"]
        mredeem = msig["redeemScript"]
        assert_equal(desc, msig['descriptor'])
        if self.output_type == 'bech32':
            assert madd[0:4] == "bcrt"  # actually a bech32 address

        # compare against addmultisigaddress
        msigw = wmulti.addmultisigaddress(self.nsigs, self.pub, None, self.output_type)
        maddw = msigw["address"]
        mredeemw = msigw["redeemScript"]
        assert_equal(desc, drop_origins(msigw['descriptor']))
        # addmultisigiaddress and createmultisig work the same
        assert maddw == madd
        assert mredeemw == mredeem

        txid = node0.sendtoaddress(madd, 40)

        tx = node0.getrawtransaction(txid, True)
        vout = [v["n"] for v in tx["vout"] if madd == v["scriptPubKey"]["address"]]
        assert len(vout) == 1
        vout = vout[0]
        scriptPubKey = tx["vout"][vout]["scriptPubKey"]["hex"]
        value = tx["vout"][vout]["value"]
        prevtxs = [{"txid": txid, "vout": vout, "scriptPubKey": scriptPubKey, "redeemScript": mredeem, "amount": value}]

        node0.generate(1)

        outval = value - decimal.Decimal("0.00001000")
        rawtx = node2.createrawtransaction([{"txid": txid, "vout": vout}], [{self.final: outval}])

        prevtx_err = dict(prevtxs[0])
        del prevtx_err["redeemScript"]

        assert_raises_rpc_error(-8, "Missing redeemScript/witnessScript", node2.signrawtransactionwithkey, rawtx, self.priv[0:self.nsigs-1], [prevtx_err])

        # if witnessScript specified, all ok
        prevtx_err["witnessScript"] = prevtxs[0]["redeemScript"]
        node2.signrawtransactionwithkey(rawtx, self.priv[0:self.nsigs-1], [prevtx_err])

        # both specified, also ok
        prevtx_err["redeemScript"] = prevtxs[0]["redeemScript"]
        node2.signrawtransactionwithkey(rawtx, self.priv[0:self.nsigs-1], [prevtx_err])

        # redeemScript mismatch to witnessScript
        prevtx_err["redeemScript"] = "6a" # OP_RETURN
        assert_raises_rpc_error(-8, "redeemScript does not correspond to witnessScript", node2.signrawtransactionwithkey, rawtx, self.priv[0:self.nsigs-1], [prevtx_err])

        # redeemScript does not match scriptPubKey
        del prevtx_err["witnessScript"]
        assert_raises_rpc_error(-8, "redeemScript/witnessScript does not match scriptPubKey", node2.signrawtransactionwithkey, rawtx, self.priv[0:self.nsigs-1], [prevtx_err])

        # witnessScript does not match scriptPubKey
        prevtx_err["witnessScript"] = prevtx_err["redeemScript"]
        del prevtx_err["redeemScript"]
        assert_raises_rpc_error(-8, "redeemScript/witnessScript does not match scriptPubKey", node2.signrawtransactionwithkey, rawtx, self.priv[0:self.nsigs-1], [prevtx_err])

        rawtx2 = node2.signrawtransactionwithkey(rawtx, self.priv[0:self.nsigs - 1], prevtxs)
        rawtx3 = node2.signrawtransactionwithkey(rawtx2["hex"], [self.priv[-1]], prevtxs)

        self.moved += outval
        tx = node0.sendrawtransaction(rawtx3["hex"], 0)
        blk = node0.generate(1)[0]
        assert tx in node0.getblock(blk)["tx"]

        txinfo = node0.getrawtransaction(tx, True, blk)
        self.log.info("n/m=%d/%d %s size=%d vsize=%d weight=%d" % (self.nsigs, self.nkeys, self.output_type, txinfo["size"], txinfo["vsize"], txinfo["weight"]))

        wmulti.unloadwallet()


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