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

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

8,303 bytes · SHA-256 44a6b68e157ef472… · View upstream ↗

1// Copyright (c) 2015-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <prevector.h>
6#include <serialize.h>
7#include <streams.h>
8#include <test/fuzz/FuzzedDataProvider.h>
9#include <test/fuzz/fuzz.h>
10
11#include <ranges>
12#include <vector>
13namespace {
14
15template <unsigned int N, typename T>
16class prevector_tester
17{
18    typedef std::vector<T> realtype;
19    realtype real_vector;
20    realtype real_vector_alt;
21
22    typedef prevector<N, T> pretype;
23    pretype pre_vector;
24    pretype pre_vector_alt;
25
26    typedef typename pretype::size_type Size;
27
28public:
29    void test() const
30    {
31        const pretype& const_pre_vector = pre_vector;
32        assert(real_vector.size() == pre_vector.size());
33        assert(real_vector.empty() == pre_vector.empty());
34        for (Size s = 0; s < real_vector.size(); s++) {
35            assert(real_vector[s] == pre_vector[s]);
36            assert(&(pre_vector[s]) == &(pre_vector.begin()[s]));
37            assert(&(pre_vector[s]) == &*(pre_vector.begin() + s));
38            assert(&(pre_vector[s]) == &*((pre_vector.end() + s) - real_vector.size()));
39        }
40        // assert(realtype(pre_vector) == real_vector);
41        assert(pretype(real_vector.begin(), real_vector.end()) == pre_vector);
42        assert(pretype(pre_vector.begin(), pre_vector.end()) == pre_vector);
43        size_t pos = 0;
44        for (const T& v : pre_vector) {
45            assert(v == real_vector[pos]);
46            ++pos;
47        }
48        for (const T& v : pre_vector | std::views::reverse) {
49            --pos;
50            assert(v == real_vector[pos]);
51        }
52        for (const T& v : const_pre_vector) {
53            assert(v == real_vector[pos]);
54            ++pos;
55        }
56        for (const T& v : const_pre_vector | std::views::reverse) {
57            --pos;
58            assert(v == real_vector[pos]);
59        }
60        DataStream ss1{};
61        DataStream ss2{};
62        ss1 << real_vector;
63        ss2 << pre_vector;
64        assert(ss1.size() == ss2.size());
65        for (Size s = 0; s < ss1.size(); s++) {
66            assert(ss1[s] == ss2[s]);
67        }
68    }
69
70    void resize(Size s)
71    {
72        real_vector.resize(s);
73        assert(real_vector.size() == s);
74        pre_vector.resize(s);
75        assert(pre_vector.size() == s);
76    }
77
78    void reserve(Size s)
79    {
80        real_vector.reserve(s);
81        assert(real_vector.capacity() >= s);
82        pre_vector.reserve(s);
83        assert(pre_vector.capacity() >= s);
84    }
85
86    void insert(Size position, const T& value)
87    {
88        real_vector.insert(real_vector.begin() + position, value);
89        pre_vector.insert(pre_vector.begin() + position, value);
90    }
91
92    void insert(Size position, Size count, const T& value)
93    {
94        real_vector.insert(real_vector.begin() + position, count, value);
95        pre_vector.insert(pre_vector.begin() + position, count, value);
96    }
97
98    template <typename I>
99    void insert_range(Size position, I first, I last)
100    {
101        real_vector.insert(real_vector.begin() + position, first, last);
102        pre_vector.insert(pre_vector.begin() + position, first, last);
103    }
104
105    void erase(Size position)
106    {
107        real_vector.erase(real_vector.begin() + position);
108        pre_vector.erase(pre_vector.begin() + position);
109    }
110
111    void erase(Size first, Size last)
112    {
113        real_vector.erase(real_vector.begin() + first, real_vector.begin() + last);
114        pre_vector.erase(pre_vector.begin() + first, pre_vector.begin() + last);
115    }
116
117    void update(Size pos, const T& value)
118    {
119        real_vector[pos] = value;
120        pre_vector[pos] = value;
121    }
122
123    void push_back(const T& value)
124    {
125        real_vector.push_back(value);
126        pre_vector.push_back(value);
127    }
128
129    void pop_back()
130    {
131        real_vector.pop_back();
132        pre_vector.pop_back();
133    }
134
135    void clear()
136    {
137        real_vector.clear();
138        pre_vector.clear();
139    }
140
141    void assign(Size n, const T& value)
142    {
143        real_vector.assign(n, value);
144        pre_vector.assign(n, value);
145    }
146
147    Size size() const
148    {
149        return real_vector.size();
150    }
151
152    Size capacity() const
153    {
154        return pre_vector.capacity();
155    }
156
157    void shrink_to_fit()
158    {
159        pre_vector.shrink_to_fit();
160    }
161
162    void swap() noexcept
163    {
164        real_vector.swap(real_vector_alt);
165        pre_vector.swap(pre_vector_alt);
166    }
167
168    void move()
169    {
170        real_vector = std::move(real_vector_alt);
171        real_vector_alt.clear();
172        pre_vector = std::move(pre_vector_alt);
173        pre_vector_alt.clear();
174    }
175
176    void copy()
177    {
178        real_vector = real_vector_alt;
179        pre_vector = pre_vector_alt;
180    }
181
182    void resize_uninitialized(realtype values)
183    {
184        size_t r = values.size();
185        size_t s = real_vector.size() / 2;
186        if (real_vector.capacity() < s + r) {
187            real_vector.reserve(s + r);
188        }
189        real_vector.resize(s);
190        pre_vector.resize_uninitialized(s);
191        for (auto v : values) {
192            real_vector.push_back(v);
193        }
194        auto p = pre_vector.size();
195        pre_vector.resize_uninitialized(p + r);
196        for (auto v : values) {
197            pre_vector[p] = v;
198            ++p;
199        }
200    }
201};
202
203} // namespace
204
205FUZZ_TARGET(prevector)
206{
207    FuzzedDataProvider prov(buffer.data(), buffer.size());
208    prevector_tester<8, int> test;
209
210    LIMITED_WHILE (prov.remaining_bytes(), 3000) {
211        switch (prov.ConsumeIntegralInRange<int>(0, 13 + 3 * (test.size() > 0))) {
212        case 0: {
213            auto position = prov.ConsumeIntegralInRange<size_t>(0, test.size());
214            auto value = prov.ConsumeIntegral<int>();
215            test.insert(position, value);
216        } break;
217        case 1:
218            test.resize(std::max(0, std::min(30, (int)test.size() + prov.ConsumeIntegralInRange<int>(0, 4) - 2)));
219            break;
220        case 2: {
221            auto position = prov.ConsumeIntegralInRange<size_t>(0, test.size());
222            auto count = 1 + prov.ConsumeBool();
223            auto value = prov.ConsumeIntegral<int>();
224            test.insert(position, count, value);
225        } break;
226        case 3: {
227            int del = prov.ConsumeIntegralInRange<int>(0, test.size());
228            int beg = prov.ConsumeIntegralInRange<int>(0, test.size() - del);
229            test.erase(beg, beg + del);
230            break;
231        }
232        case 4:
233            test.push_back(prov.ConsumeIntegral<int>());
234            break;
235        case 5: {
236            int values[4];
237            int num = 1 + prov.ConsumeIntegralInRange<int>(0, 3);
238            for (int k = 0; k < num; ++k) {
239                values[k] = prov.ConsumeIntegral<int>();
240            }
241            test.insert_range(prov.ConsumeIntegralInRange<size_t>(0, test.size()), values, values + num);
242            break;
243        }
244        case 6: {
245            int num = 1 + prov.ConsumeIntegralInRange<int>(0, 15);
246            std::vector<int> values(num);
247            for (auto& v : values) {
248                v = prov.ConsumeIntegral<int>();
249            }
250            test.resize_uninitialized(values);

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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