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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) 2014-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 RBF code."""
6
7from decimal import Decimal
8
9from test_framework.messages import (
10    MAX_BIP125_RBF_SEQUENCE,
11    COIN,
12)
13from test_framework.test_framework import BitcoinTestFramework
14from test_framework.util import (
15    assert_equal,
16    assert_greater_than,
17    assert_greater_than_or_equal,
18    assert_raises_rpc_error,
19    get_fee,
20)
21from test_framework.wallet import MiniWallet
22from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE
23from test_framework.mempool_util import DEFAULT_CLUSTER_LIMIT
24
25MAX_REPLACEMENT_LIMIT = 100
26
27class ReplaceByFeeTest(BitcoinTestFramework):
28    def set_test_params(self):
29        self.num_nodes = 2
30        self.uses_wallet = None
31        self.extra_args = [["-deprecatedrpc=fullrbf", "-deprecatedrpc=bip125"], []]
32
33    def run_test(self):
34        self.wallet = MiniWallet(self.nodes[0])
35        self.generate(self.nodes[0], 100)
36
37        self.log.info("Running test simple doublespend...")
38        self.test_simple_doublespend()
39
40        self.log.info("Running test doublespend chain...")
41        self.test_doublespend_chain()
42
43        self.log.info("Running test doublespend tree...")
44        self.test_doublespend_tree()
45
46        self.log.info("Running test replacement feeperkb...")
47        self.test_replacement_feeperkb()
48
49        self.log.info("Running test spends of conflicting outputs...")
50        self.test_spends_of_conflicting_outputs()
51
52        self.log.info("Running test new unconfirmed inputs...")
53        self.test_new_unconfirmed_inputs()
54
55        self.log.info("Running test new unconfirmed input from low feerate tx...")
56        self.test_new_unconfirmed_input_with_low_feerate()
57
58        self.log.info("Running test too many replacements...")
59        self.test_too_many_replacements()
60
61        self.log.info("Running test RPC...")
62        self.test_rpc()
63
64        self.log.info("Running test prioritised transactions...")
65        self.test_prioritised_transactions()
66
67        self.log.info("Running test replacement relay fee...")
68        self.test_replacement_relay_fee()
69
70        self.log.info("Running test full replace by fee...")
71        self.test_fullrbf()
72
73        self.log.info("Running test incremental relay feerates...")
74        self.test_incremental_relay_feerates()
75
76        self.log.info("Passed")
77
78    def make_utxo(self, node, amount, *, confirmed=True, scriptPubKey=None):
79        """Create a txout with a given amount and scriptPubKey
80
81        confirmed - txout created will be confirmed in the blockchain;
82                    unconfirmed otherwise.
83        """
84        tx = self.wallet.send_to(from_node=node, scriptPubKey=scriptPubKey or self.wallet.get_output_script(), amount=amount)
85
86        if confirmed:
87            mempool_size = len(node.getrawmempool())
88            while mempool_size > 0:
89                self.generate(node, 1)
90                new_size = len(node.getrawmempool())
91                # Error out if we have something stuck in the mempool, as this
92                # would likely be a bug.
93                assert new_size < mempool_size
94                mempool_size = new_size
95
96        return self.wallet.get_utxo(txid=tx["txid"], vout=tx["sent_vout"])
97
98    def test_simple_doublespend(self):
99        """Simple doublespend"""
100        # we use MiniWallet to create a transaction template with inputs correctly set,
101        # and modify the output (amount, scriptPubKey) according to our needs
102        tx = self.wallet.create_self_transfer(fee_rate=Decimal("0.003"))["tx"]
103        tx1a_txid = self.nodes[0].sendrawtransaction(tx.serialize().hex())
104
105        # Should fail because we haven't changed the fee
106        tx.vout[0].scriptPubKey[-1] ^= 1
107        tx_hex = tx.serialize().hex()
108
109        # This will raise an exception due to insufficient fee
110        reject_reason = "insufficient fee"
111        reject_details = f"{reject_reason}, rejecting replacement {tx.txid_hex}, not enough additional fees to relay; 0.00 < 0.00000011"
112        res = self.nodes[0].testmempoolaccept(rawtxs=[tx_hex])[0]
113        assert_equal(res["reject-reason"], reject_reason)
114        assert_equal(res["reject-details"], reject_details)
115        assert_raises_rpc_error(-26, f"{reject_details}", self.nodes[0].sendrawtransaction, tx_hex, 0)
116
117
118        # Extra 0.1 BTC fee
119        tx.vout[0].nValue -= int(0.1 * COIN)
120        tx1b_hex = tx.serialize().hex()
121        # Works when enabled
122        tx1b_txid = self.nodes[0].sendrawtransaction(tx1b_hex, 0)
123
124        mempool = self.nodes[0].getrawmempool()
125
126        assert tx1a_txid not in mempool
127        assert tx1b_txid in mempool
128
129        assert_equal(tx1b_hex, self.nodes[0].getrawtransaction(tx1b_txid))
130
131    def test_doublespend_chain(self):
132        """Doublespend of a long chain"""
133
134        initial_nValue = 5 * COIN
135        tx0_outpoint = self.make_utxo(self.nodes[0], initial_nValue)
136
137        prevout = tx0_outpoint
138        remaining_value = initial_nValue
139        chain_txids = []
140        for _ in range(DEFAULT_CLUSTER_LIMIT):
141            if remaining_value <= 1 * COIN:
142                break
143            remaining_value -= int(0.1 * COIN)
144            prevout = self.wallet.send_self_transfer(
145                from_node=self.nodes[0],
146                utxo_to_spend=prevout,
147                sequence=0,
148                fee=Decimal("0.1"),
149            )["new_utxo"]
150            chain_txids.append(prevout["txid"])
151
152        # Whether the double-spend is allowed is evaluated by including all
153        # child fees - 4 BTC - so this attempt is rejected.
154        dbl_tx = self.wallet.create_self_transfer(
155            utxo_to_spend=tx0_outpoint,
156            sequence=0,
157            fee=Decimal("3"),
158        )["tx"]
159        dbl_tx_hex = dbl_tx.serialize().hex()
160
161        # This will raise an exception due to insufficient fee
162        reject_reason = "insufficient fee"
163        reject_details = f"{reject_reason}, rejecting replacement {dbl_tx.txid_hex}, less fees than conflicting txs; 3.00 < 4.00"
164        res = self.nodes[0].testmempoolaccept(rawtxs=[dbl_tx_hex])[0]
165        assert_equal(res["reject-reason"], reject_reason)
166        assert_equal(res["reject-details"], reject_details)
167        assert_raises_rpc_error(-26, f"{reject_details}", self.nodes[0].sendrawtransaction, dbl_tx_hex, 0)
168
169
170
171        # Accepted with sufficient fee
172        dbl_tx.vout[0].nValue = int(0.1 * COIN)
173        dbl_tx_hex = dbl_tx.serialize().hex()
174        self.nodes[0].sendrawtransaction(dbl_tx_hex, 0)
175
176        mempool = self.nodes[0].getrawmempool()
177        for doublespent_txid in chain_txids:
178            assert doublespent_txid not in mempool
179
180    def test_doublespend_tree(self):
181        """Doublespend of a big tree of transactions"""
182
183        initial_nValue = 5 * COIN
184        tx0_outpoint = self.make_utxo(self.nodes[0], initial_nValue)
185
186        def branch(prevout, initial_value, max_txs, tree_width=5, fee=0.00001 * COIN, _total_txs=None):
187            if _total_txs is None:
188                _total_txs = [0]
189            if _total_txs[0] >= max_txs:
190                return
191
192            txout_value = (initial_value - fee) // tree_width
193            if txout_value < fee:
194                return
195
196            tx = self.wallet.send_self_transfer_multi(
197                utxos_to_spend=[prevout],
198                from_node=self.nodes[0],
199                sequence=0,
200                num_outputs=tree_width,
201                amount_per_output=txout_value,
202            )
203
204            yield tx["txid"]
205            _total_txs[0] += 1
206
207            for utxo in tx["new_utxos"]:
208                for x in branch(utxo, txout_value,
209                                  max_txs,
210                                  tree_width=tree_width, fee=fee,
211                                  _total_txs=_total_txs):
212                    yield x
213
214        fee = int(0.00001 * COIN)
215        n = DEFAULT_CLUSTER_LIMIT
216        tree_txs = list(branch(tx0_outpoint, initial_nValue, n, fee=fee))
217        assert_equal(len(tree_txs), n)
218
219        # Attempt double-spend, will fail because too little fee paid
220        dbl_tx_hex = self.wallet.create_self_transfer(
221            utxo_to_spend=tx0_outpoint,
222            sequence=0,
223            fee=(Decimal(fee) / COIN) * n,
224        )["hex"]
225        # This will raise an exception due to insufficient fee
226        assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, dbl_tx_hex, 0)
227
228        # 0.1 BTC fee is enough
229        dbl_tx_hex = self.wallet.create_self_transfer(
230            utxo_to_spend=tx0_outpoint,
231            sequence=0,
232            fee=(Decimal(fee) / COIN) * n + Decimal("0.1"),
233        )["hex"]
234        self.nodes[0].sendrawtransaction(dbl_tx_hex, 0)
235
236        mempool = self.nodes[0].getrawmempool()
237
238        for txid in tree_txs:
239            assert txid not in mempool
240
241    def test_replacement_feeperkb(self):
242        """Replacement requires fee-per-KB to be higher"""
243        tx0_outpoint = self.make_utxo(self.nodes[0], int(1.1 * COIN))
244
245        self.wallet.send_self_transfer(
246            from_node=self.nodes[0],
247            utxo_to_spend=tx0_outpoint,
248            sequence=0,
249            fee=Decimal("0.1"),
250        )

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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