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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.

13,270 bytes · SHA-256 2b9765130f931503… · View upstream ↗

1// Copyright (c) 2020-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 <chainparams.h>
6#include <key.h>
7#include <key_io.h>
8#include <outputtype.h>
9#include <policy/policy.h>
10#include <pubkey.h>
11#include <rpc/util.h>
12#include <script/keyorigin.h>
13#include <script/script.h>
14#include <script/sign.h>
15#include <script/signingprovider.h>
16#include <script/solver.h>
17#include <streams.h>
18#include <test/fuzz/FuzzedDataProvider.h>
19#include <test/fuzz/fuzz.h>
20#include <test/fuzz/util.h>
21#include <test/util/random.h>
22#include <util/chaintype.h>
23#include <util/strencodings.h>
24
25#include <array>
26#include <cassert>
27#include <cstddef>
28#include <cstdint>
29#include <numeric>
30#include <optional>
31#include <string>
32#include <vector>
33
34void initialize_key()
35{
36    static ECC_Context ecc_context{};
37    SelectParams(ChainType::REGTEST);
38}
39
40FUZZ_TARGET(key, .init = initialize_key)
41{
42    SeedRandomStateForTest(SeedRand::ZEROS);
43    const CKey key = [&] {
44        CKey k;
45        k.Set(buffer.begin(), buffer.end(), true);
46        return k;
47    }();
48    if (!key.IsValid()) {
49        return;
50    }
51
52    {
53        assert(key.begin() + key.size() == key.end());
54        assert(key.IsCompressed());
55        assert(key.size() == 32);
56        assert(DecodeSecret(EncodeSecret(key)) == key);
57    }
58
59    {
60        CKey invalid_key;
61        assert(!(invalid_key == key));
62        assert(!invalid_key.IsCompressed());
63        assert(!invalid_key.IsValid());
64        assert(invalid_key.size() == 0);
65    }
66
67    {
68        CKey uncompressed_key;
69        uncompressed_key.Set(buffer.begin(), buffer.end(), false);
70        assert(!(uncompressed_key == key));
71        assert(!uncompressed_key.IsCompressed());
72        assert(key.size() == 32);
73        assert(uncompressed_key.begin() + uncompressed_key.size() == uncompressed_key.end());
74        assert(uncompressed_key.IsValid());
75    }
76
77    {
78        CKey copied_key;
79        copied_key.Set(key.begin(), key.end(), key.IsCompressed());
80        assert(copied_key == key);
81    }
82
83    const uint256 random_uint256 = Hash(buffer);
84
85    {
86        CKey child_key;
87        ChainCode child_chaincode;
88        const bool ok = key.Derive(child_key, child_chaincode, 0, ChainCode{random_uint256});
89        assert(ok);
90        assert(child_key.IsValid());
91        assert(!(child_key == key));
92        assert(child_chaincode != random_uint256);
93    }
94
95    const CPubKey pubkey = key.GetPubKey();
96
97    {
98        assert(pubkey.size() == 33);
99        assert(key.VerifyPubKey(pubkey));
100        assert(pubkey.GetHash() != random_uint256);
101        assert(pubkey.begin() + pubkey.size() == pubkey.end());
102        assert(pubkey.data() == pubkey.begin());
103        assert(pubkey.IsCompressed());
104        assert(pubkey.IsValid());
105        assert(pubkey.IsFullyValid());
106        assert(HexToPubKey(HexStr(pubkey)) == pubkey);
107    }
108
109    {
110        DataStream data_stream{};
111        pubkey.Serialize(data_stream);
112
113        CPubKey pubkey_deserialized;
114        pubkey_deserialized.Unserialize(data_stream);
115        assert(pubkey_deserialized == pubkey);
116    }
117
118    {
119        const CScript tx_pubkey_script = GetScriptForRawPubKey(pubkey);
120        assert(!tx_pubkey_script.IsPayToScriptHash());
121        assert(!tx_pubkey_script.IsPayToWitnessScriptHash());
122        assert(!tx_pubkey_script.IsPushOnly());
123        assert(!tx_pubkey_script.IsUnspendable());
124        assert(tx_pubkey_script.HasValidOps());
125        assert(tx_pubkey_script.size() == 35);
126
127        const CScript tx_multisig_script = GetScriptForMultisig(1, {pubkey});
128        assert(!tx_multisig_script.IsPayToScriptHash());
129        assert(!tx_multisig_script.IsPayToWitnessScriptHash());
130        assert(!tx_multisig_script.IsPushOnly());
131        assert(!tx_multisig_script.IsUnspendable());
132        assert(tx_multisig_script.HasValidOps());
133        assert(tx_multisig_script.size() == 37);
134
135        FillableSigningProvider fillable_signing_provider;
136        assert(!IsSegWitOutput(fillable_signing_provider, tx_pubkey_script));
137        assert(!IsSegWitOutput(fillable_signing_provider, tx_multisig_script));
138        assert(fillable_signing_provider.GetKeys().size() == 0);
139        assert(!fillable_signing_provider.HaveKey(pubkey.GetID()));
140
141        const bool ok_add_key = fillable_signing_provider.AddKey(key);
142        assert(ok_add_key);
143        assert(fillable_signing_provider.HaveKey(pubkey.GetID()));
144
145        FillableSigningProvider fillable_signing_provider_pub;
146        assert(!fillable_signing_provider_pub.HaveKey(pubkey.GetID()));
147
148        const bool ok_add_key_pubkey = fillable_signing_provider_pub.AddKeyPubKey(key, pubkey);
149        assert(ok_add_key_pubkey);
150        assert(fillable_signing_provider_pub.HaveKey(pubkey.GetID()));
151
152        TxoutType which_type_tx_pubkey;
153        const bool is_standard_tx_pubkey = IsStandard(tx_pubkey_script, which_type_tx_pubkey);
154        assert(is_standard_tx_pubkey);
155        assert(which_type_tx_pubkey == TxoutType::PUBKEY);
156
157        TxoutType which_type_tx_multisig;
158        const bool is_standard_tx_multisig = IsStandard(tx_multisig_script, which_type_tx_multisig);
159        assert(is_standard_tx_multisig);
160        assert(which_type_tx_multisig == TxoutType::MULTISIG);
161
162        std::vector<std::vector<unsigned char>> v_solutions_ret_tx_pubkey;
163        const TxoutType outtype_tx_pubkey = Solver(tx_pubkey_script, v_solutions_ret_tx_pubkey);
164        assert(outtype_tx_pubkey == TxoutType::PUBKEY);
165        assert(v_solutions_ret_tx_pubkey.size() == 1);
166        assert(v_solutions_ret_tx_pubkey[0].size() == 33);
167
168        std::vector<std::vector<unsigned char>> v_solutions_ret_tx_multisig;
169        const TxoutType outtype_tx_multisig = Solver(tx_multisig_script, v_solutions_ret_tx_multisig);
170        assert(outtype_tx_multisig == TxoutType::MULTISIG);
171        assert(v_solutions_ret_tx_multisig.size() == 3);
172        assert(v_solutions_ret_tx_multisig[0].size() == 1);
173        assert(v_solutions_ret_tx_multisig[1].size() == 33);
174        assert(v_solutions_ret_tx_multisig[2].size() == 1);
175
176        OutputType output_type{};
177        const CTxDestination tx_destination{PKHash{pubkey}};
178        assert(output_type == OutputType::LEGACY);
179        assert(IsValidDestination(tx_destination));
180        assert(PKHash{pubkey} == *std::get_if<PKHash>(&tx_destination));
181
182        const CScript script_for_destination = GetScriptForDestination(tx_destination);
183        assert(script_for_destination.size() == 25);
184
185        const std::string destination_address = EncodeDestination(tx_destination);
186        assert(DecodeDestination(destination_address) == tx_destination);
187
188        CKeyID key_id = pubkey.GetID();
189        assert(!key_id.IsNull());
190        assert(key_id == CKeyID{key_id});
191        assert(key_id == GetKeyForDestination(fillable_signing_provider, tx_destination));
192
193        CPubKey pubkey_out;
194        const bool ok_get_pubkey = fillable_signing_provider.GetPubKey(key_id, pubkey_out);
195        assert(ok_get_pubkey);
196
197        CKey key_out;
198        const bool ok_get_key = fillable_signing_provider.GetKey(key_id, key_out);
199        assert(ok_get_key);
200        assert(fillable_signing_provider.GetKeys().size() == 1);
201        assert(fillable_signing_provider.HaveKey(key_id));
202
203        KeyOriginInfo key_origin_info;
204        const bool ok_get_key_origin = fillable_signing_provider.GetKeyOrigin(key_id, key_origin_info);
205        assert(!ok_get_key_origin);
206    }
207
208    {
209        const std::vector<unsigned char> vch_pubkey{pubkey.begin(), pubkey.end()};
210        assert(CPubKey::ValidSize(vch_pubkey));
211        assert(!CPubKey::ValidSize({pubkey.begin(), pubkey.begin() + pubkey.size() - 1}));
212
213        const CPubKey pubkey_ctor_1{vch_pubkey};
214        assert(pubkey == pubkey_ctor_1);
215
216        const CPubKey pubkey_ctor_2{vch_pubkey.begin(), vch_pubkey.end()};
217        assert(pubkey == pubkey_ctor_2);
218
219        CPubKey pubkey_set;
220        pubkey_set.Set(vch_pubkey.begin(), vch_pubkey.end());
221        assert(pubkey == pubkey_set);
222    }
223
224    {
225        const CPubKey invalid_pubkey{};
226        assert(!invalid_pubkey.IsValid());
227        assert(!invalid_pubkey.IsFullyValid());
228        assert(!(pubkey == invalid_pubkey));
229        assert(pubkey != invalid_pubkey);
230        assert(pubkey < invalid_pubkey);
231    }
232
233    {
234        // Cover CPubKey's operator[](unsigned int pos)
235        unsigned int sum = 0;
236        for (size_t i = 0; i < pubkey.size(); ++i) {
237            sum += pubkey[i];
238        }
239        assert(std::accumulate(pubkey.begin(), pubkey.end(), 0U) == sum);
240    }
241
242    {
243        CPubKey decompressed_pubkey = pubkey;
244        assert(decompressed_pubkey.IsCompressed());
245
246        const bool ok = decompressed_pubkey.Decompress();
247        assert(ok);
248        assert(!decompressed_pubkey.IsCompressed());
249        assert(decompressed_pubkey.size() == 65);
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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