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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

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1#!/usr/bin/env python3
2# Copyright (c) 2016-present The Bitcoin Core developers
3# Distributed under the MIT software license, see the accompanying
4# file COPYING or http://www.opensource.org/licenses/mit-license.php.
5"""Test the SegWit changeover logic."""
6
7from decimal import Decimal
8
9from test_framework.address import (
10    script_to_p2sh_p2wsh,
11    script_to_p2wsh,
12)
13from test_framework.blocktools import (
14    NORMAL_GBT_REQUEST_PARAMS,
15    send_to_witness,
16    witness_script,
17)
18from test_framework.descriptors import descsum_create
19from test_framework.messages import (
20    COIN,
21    COutPoint,
22    CTransaction,
23    CTxIn,
24    CTxOut,
25    tx_from_hex,
26)
27from test_framework.script import (
28    CScript,
29    OP_DROP,
30    OP_TRUE,
31)
32from test_framework.script_util import (
33    keys_to_multisig_script,
34)
35from test_framework.test_framework import BitcoinTestFramework
36from test_framework.util import (
37    assert_equal,
38    assert_greater_than_or_equal,
39    assert_is_hex_string,
40    assert_raises_rpc_error,
41)
42from test_framework.wallet_util import (
43    get_generate_key,
44)
45
46NODE_0 = 0
47NODE_2 = 2
48P2WPKH = 0
49P2WSH = 1
50
51
52def getutxo(txid):
53    utxo = {}
54    utxo["vout"] = 0
55    utxo["txid"] = txid
56    return utxo
57
58
59def find_spendable_utxo(node, min_value):
60    for utxo in node.listunspent(query_options={'minimumAmount': min_value}):
61        if utxo['spendable']:
62            return utxo
63
64    raise AssertionError(f"Unspent output equal or higher than {min_value} not found")
65
66
67class SegWitTest(BitcoinTestFramework):
68    def set_test_params(self):
69        self.setup_clean_chain = True
70        self.num_nodes = 3
71        # This test tests SegWit both pre and post-activation, so use the normal BIP9 activation.
72        self.extra_args = [
73            [
74                "-acceptnonstdtxn=1",
75                "-testactivationheight=segwit@165",
76                "-addresstype=legacy",
77            ],
78            [
79                "-acceptnonstdtxn=1",
80                "-testactivationheight=segwit@165",
81                "-addresstype=legacy",
82            ],
83            [
84                "-acceptnonstdtxn=1",
85                "-testactivationheight=segwit@165",
86                "-addresstype=legacy",
87            ],
88        ]
89        self.rpc_timeout = 120
90
91    def skip_test_if_missing_module(self):
92        self.skip_if_no_wallet()
93
94    def setup_network(self):
95        super().setup_network()
96        self.connect_nodes(0, 2)
97        self.sync_all()
98
99    def success_mine(self, node, txid, sign, redeem_script=""):
100        send_to_witness(1, node, getutxo(txid), self.pubkey[0], False, Decimal("49.998"), sign, redeem_script)
101        block = self.generate(node, 1)
102        assert_equal(len(node.getblock(block[0])["tx"]), 2)
103        self.sync_blocks()
104
105    def fail_accept(self, node, error_msg, txid, sign, redeem_script=""):
106        assert_raises_rpc_error(-26, error_msg, send_to_witness, use_p2wsh=1, node=node, utxo=getutxo(txid), pubkey=self.pubkey[0], encode_p2sh=False, amount=Decimal("49.998"), sign=sign, insert_redeem_script=redeem_script)
107
108    def run_test(self):
109        self.generate(self.nodes[0], 161)  # block 161
110
111        self.log.info("Verify sigops are counted in GBT with pre-BIP141 rules before the fork")
112        txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
113        tmpl = self.nodes[0].getblocktemplate(NORMAL_GBT_REQUEST_PARAMS)
114        assert_equal(tmpl['sizelimit'], 1000000)
115        assert 'weightlimit' not in tmpl
116        assert_equal(tmpl['sigoplimit'], 20000)
117        assert_equal(tmpl['transactions'][0]['hash'], txid)
118        assert_equal(tmpl['transactions'][0]['sigops'], 2)
119        assert '!segwit' not in tmpl['rules']
120        self.generate(self.nodes[0], 1)  # block 162
121
122        balance_presetup = self.nodes[0].getbalance()
123        self.pubkey = []
124        p2sh_ids = []  # p2sh_ids[NODE][TYPE] is an array of txids that spend to P2WPKH (TYPE=0) or P2WSH (TYPE=1) scripts to an address for NODE embedded in p2sh
125        wit_ids = []  # wit_ids[NODE][TYPE] is an array of txids that spend to P2WPKH (TYPE=0) or P2WSH (TYPE=1) scripts to an address for NODE via bare witness
126        for i in range(3):
127            key = get_generate_key()
128            self.pubkey.append(key.pubkey)
129
130            multiscript = keys_to_multisig_script([self.pubkey[-1]])
131            p2sh_ms_addr = self.nodes[i].createmultisig(1, [self.pubkey[-1]], 'p2sh-segwit')['address']
132            bip173_ms_addr = self.nodes[i].createmultisig(1, [self.pubkey[-1]], 'bech32')['address']
133            assert_equal(p2sh_ms_addr, script_to_p2sh_p2wsh(multiscript))
134            assert_equal(bip173_ms_addr, script_to_p2wsh(multiscript))
135
136            p2sh_ms_desc = descsum_create(f"sh(wsh(multi(1,{key.privkey})))")
137            bip173_ms_desc = descsum_create(f"wsh(multi(1,{key.privkey}))")
138            assert_equal(self.nodes[i].deriveaddresses(p2sh_ms_desc)[0], p2sh_ms_addr)
139            assert_equal(self.nodes[i].deriveaddresses(bip173_ms_desc)[0], bip173_ms_addr)
140
141            sh_wpkh_desc = descsum_create(f"sh(wpkh({key.privkey}))")
142            wpkh_desc = descsum_create(f"wpkh({key.privkey})")
143            assert_equal(self.nodes[i].deriveaddresses(sh_wpkh_desc)[0], key.p2sh_p2wpkh_addr)
144            assert_equal(self.nodes[i].deriveaddresses(wpkh_desc)[0], key.p2wpkh_addr)
145
146            res = self.nodes[i].importdescriptors([
147                {"desc": p2sh_ms_desc, "timestamp": "now"},
148                {"desc": bip173_ms_desc, "timestamp": "now"},
149                {"desc": sh_wpkh_desc, "timestamp": "now"},
150                {"desc": wpkh_desc, "timestamp": "now"},
151            ])
152            assert all([r["success"] for r in res])
153
154            p2sh_ids.append([])
155            wit_ids.append([])
156            for _ in range(2):
157                p2sh_ids[i].append([])
158                wit_ids[i].append([])
159
160        for _ in range(5):
161            for n in range(3):
162                for v in range(2):
163                    wit_ids[n][v].append(send_to_witness(v, self.nodes[0], find_spendable_utxo(self.nodes[0], 50), self.pubkey[n], False, Decimal("49.999")))
164                    p2sh_ids[n][v].append(send_to_witness(v, self.nodes[0], find_spendable_utxo(self.nodes[0], 50), self.pubkey[n], True, Decimal("49.999")))
165
166        self.generate(self.nodes[0], 1)  # block 163
167
168        # Make sure all nodes recognize the transactions as theirs
169        assert_equal(self.nodes[0].getbalance(), balance_presetup - 60 * 50 + 20 * Decimal("49.999") + 50)
170        assert_equal(self.nodes[1].getbalance(), 20 * Decimal("49.999"))
171        assert_equal(self.nodes[2].getbalance(), 20 * Decimal("49.999"))
172
173        self.log.info("Verify unsigned p2sh witness txs without a redeem script are invalid")
174        self.fail_accept(self.nodes[2], "mempool-script-verify-flag-failed (Operation not valid with the current stack size)", p2sh_ids[NODE_2][P2WPKH][1], sign=False)
175        self.fail_accept(self.nodes[2], "mempool-script-verify-flag-failed (Operation not valid with the current stack size)", p2sh_ids[NODE_2][P2WSH][1], sign=False)
176
177        self.generate(self.nodes[0], 1)  # block 164
178
179        self.log.info("Verify witness txs are mined as soon as segwit activates")
180
181        send_to_witness(1, self.nodes[2], getutxo(wit_ids[NODE_2][P2WPKH][0]), self.pubkey[0], encode_p2sh=False, amount=Decimal("49.998"), sign=True)
182        send_to_witness(1, self.nodes[2], getutxo(wit_ids[NODE_2][P2WSH][0]), self.pubkey[0], encode_p2sh=False, amount=Decimal("49.998"), sign=True)
183        send_to_witness(1, self.nodes[2], getutxo(p2sh_ids[NODE_2][P2WPKH][0]), self.pubkey[0], encode_p2sh=False, amount=Decimal("49.998"), sign=True)
184        send_to_witness(1, self.nodes[2], getutxo(p2sh_ids[NODE_2][P2WSH][0]), self.pubkey[0], encode_p2sh=False, amount=Decimal("49.998"), sign=True)
185
186        assert_equal(len(self.nodes[2].getrawmempool()), 4)
187        blockhash = self.generate(self.nodes[2], 1)[0]  # block 165 (first block with new rules)
188        assert_equal(len(self.nodes[2].getrawmempool()), 0)
189        segwit_tx_list = self.nodes[2].getblock(blockhash)["tx"]
190        assert_equal(len(segwit_tx_list), 5)
191
192        self.log.info("Verify default node can't accept txs with missing witness")
193        # unsigned, no scriptsig
194        self.fail_accept(self.nodes[0], "mempool-script-verify-flag-failed (Witness program hash mismatch)", wit_ids[NODE_0][P2WPKH][0], sign=False)
195        self.fail_accept(self.nodes[0], "mempool-script-verify-flag-failed (Witness program was passed an empty witness)", wit_ids[NODE_0][P2WSH][0], sign=False)
196        self.fail_accept(self.nodes[0], "mempool-script-verify-flag-failed (Operation not valid with the current stack size)", p2sh_ids[NODE_0][P2WPKH][0], sign=False)
197        self.fail_accept(self.nodes[0], "mempool-script-verify-flag-failed (Operation not valid with the current stack size)", p2sh_ids[NODE_0][P2WSH][0], sign=False)
198        # unsigned with redeem script
199        self.fail_accept(self.nodes[0], "mempool-script-verify-flag-failed (Witness program hash mismatch)", p2sh_ids[NODE_0][P2WPKH][0], sign=False, redeem_script=witness_script(False, self.pubkey[0]))
200        self.fail_accept(self.nodes[0], "mempool-script-verify-flag-failed (Witness program was passed an empty witness)", p2sh_ids[NODE_0][P2WSH][0], sign=False, redeem_script=witness_script(True, self.pubkey[0]))
201
202        # Coinbase contains the witness commitment nonce, check that RPC shows us
203        coinbase_txid = self.nodes[2].getblock(blockhash)['tx'][0]
204        coinbase_tx = self.nodes[2].gettransaction(txid=coinbase_txid, verbose=True)
205        witnesses = coinbase_tx["decoded"]["vin"][0]["txinwitness"]
206        assert_equal(len(witnesses), 1)
207        assert_is_hex_string(witnesses[0])
208        assert_equal(witnesses[0], '00' * 32)
209
210        self.log.info("Verify witness txs without witness data are invalid after the fork")
211        self.fail_accept(self.nodes[2], 'mempool-script-verify-flag-failed (Witness program hash mismatch)', wit_ids[NODE_2][P2WPKH][2], sign=False)
212        self.fail_accept(self.nodes[2], 'mempool-script-verify-flag-failed (Witness program was passed an empty witness)', wit_ids[NODE_2][P2WSH][2], sign=False)
213        self.fail_accept(self.nodes[2], 'mempool-script-verify-flag-failed (Witness program hash mismatch)', p2sh_ids[NODE_2][P2WPKH][2], sign=False, redeem_script=witness_script(False, self.pubkey[2]))
214        self.fail_accept(self.nodes[2], 'mempool-script-verify-flag-failed (Witness program was passed an empty witness)', p2sh_ids[NODE_2][P2WSH][2], sign=False, redeem_script=witness_script(True, self.pubkey[2]))
215
216        self.log.info("Verify default node can now use witness txs")
217        self.success_mine(self.nodes[0], wit_ids[NODE_0][P2WPKH][0], True)
218        self.success_mine(self.nodes[0], wit_ids[NODE_0][P2WSH][0], True)
219        self.success_mine(self.nodes[0], p2sh_ids[NODE_0][P2WPKH][0], True)
220        self.success_mine(self.nodes[0], p2sh_ids[NODE_0][P2WSH][0], True)
221
222        self.log.info("Verify sigops are counted in GBT with BIP141 rules after the fork")
223        txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
224        raw_tx = self.nodes[0].getrawtransaction(txid, True)
225        tmpl = self.nodes[0].getblocktemplate(NORMAL_GBT_REQUEST_PARAMS)
226        assert_greater_than_or_equal(tmpl['sizelimit'], 3999577)  # actual maximum size is lower due to minimum mandatory non-witness data
227        assert_equal(tmpl['weightlimit'], 4000000)
228        assert_equal(tmpl['sigoplimit'], 80000)
229        assert_equal(tmpl['transactions'][0]['txid'], txid)
230        expected_sigops = 9 if 'txinwitness' in raw_tx["vin"][0] else 8
231        assert_equal(tmpl['transactions'][0]['sigops'], expected_sigops)
232        assert '!segwit' in tmpl['rules']
233
234        self.generate(self.nodes[0], 1)  # Mine a block to clear the gbt cache
235
236        self.log.info("Non-segwit miners are able to use GBT response after activation.")
237        # Create a 3-tx chain: tx1 (non-segwit input, paying to a segwit output) ->
238        #                      tx2 (segwit input, paying to a non-segwit output) ->
239        #                      tx3 (non-segwit input, paying to a non-segwit output).
240        # tx1 is allowed to appear in the block, but no others.
241        txid1 = send_to_witness(1, self.nodes[0], find_spendable_utxo(self.nodes[0], 50), self.pubkey[0], False, Decimal("49.996"))
242        assert txid1 in self.nodes[0].getrawmempool()
243
244        tx1_hex = self.nodes[0].gettransaction(txid1)['hex']
245        tx1 = tx_from_hex(tx1_hex)
246
247        # Check that wtxid is properly reported in mempool entry (txid1)
248        assert_equal(self.nodes[0].getmempoolentry(txid1)["wtxid"], tx1.wtxid_hex)
249
250        # Check that weight and vsize are properly reported in mempool entry (txid1)

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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