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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// Copyright (c) 2009-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_io.h>
7#include <pubkey.h>
8#include <script/descriptor.h>
9#include <test/fuzz/fuzz.h>
10#include <test/fuzz/util/descriptor.h>
11#include <util/chaintype.h>
12#include <util/strencodings.h>
13
14//! The converter of mocked descriptors, needs to be initialized when the target is.
15MockedDescriptorConverter MOCKED_DESC_CONVERTER;
16
17/** Test a successfully parsed descriptor. */
18static void TestDescriptor(const Descriptor& desc, FlatSigningProvider& sig_provider, std::string& dummy, std::optional<bool>& is_ranged, std::optional<bool>& is_solvable)
19{
20    // Trivial helpers.
21    (void)desc.IsRange();
22    (void)desc.IsSingleType();
23    (void)desc.GetOutputType();
24
25    if (is_ranged.has_value()) {
26        assert(desc.IsRange() == *is_ranged);
27    } else {
28        is_ranged = desc.IsRange();
29    }
30    if (is_solvable.has_value()) {
31        assert(desc.IsSolvable() == *is_solvable);
32    } else {
33        is_solvable = desc.IsSolvable();
34    }
35
36    // Serialization to string representation.
37    (void)desc.ToString();
38    (void)desc.ToPrivateString(sig_provider, dummy);
39    (void)desc.ToNormalizedString(sig_provider, dummy);
40
41    // Serialization to Script.
42    DescriptorCache cache;
43    std::vector<CScript> out_scripts;
44    (void)desc.Expand(0, sig_provider, out_scripts, sig_provider, &cache);
45    (void)desc.ExpandPrivate(0, sig_provider, sig_provider);
46    (void)desc.ExpandFromCache(0, cache, out_scripts, sig_provider);
47
48    // If we could serialize to script we must be able to infer using the same provider.
49    if (!out_scripts.empty()) {
50        assert(InferDescriptor(out_scripts.back(), sig_provider));
51
52        // The ScriptSize() must match the size of the serialized Script. (ScriptSize() is set for all descs but 'combo()'.)
53        const bool is_combo{!desc.IsSingleType()};
54        assert(is_combo || desc.ScriptSize() == out_scripts.back().size());
55    }
56
57    const auto max_sat_maxsig{desc.MaxSatisfactionWeight(true)};
58    const auto max_sat_nonmaxsig{desc.MaxSatisfactionWeight(false)};
59    // Whether an estimate is available must not depend on the signature-size
60    // assumption, and assuming non-max-size signatures must never increase it.
61    assert(max_sat_maxsig.has_value() == max_sat_nonmaxsig.has_value());
62    assert(max_sat_nonmaxsig <= max_sat_maxsig);
63    const auto max_elems{desc.MaxSatisfactionElems()};
64    // We must be able to estimate the max satisfaction size for any solvable descriptor (but combo).
65    const bool is_nontop_or_nonsolvable{!*is_solvable || !desc.GetOutputType()};
66    const bool is_input_size_info_set{max_sat_maxsig && max_sat_nonmaxsig && max_elems};
67    assert(is_input_size_info_set || is_nontop_or_nonsolvable);
68
69    auto max_key_expr = desc.GetMaxKeyExpr();
70    auto key_count = desc.GetKeyCount();
71    assert((max_key_expr == 0 && key_count == 0) || max_key_expr + 1 == key_count);
72}
73
74void initialize_descriptor_parse()
75{
76    static ECC_Context ecc_context{};
77    SelectParams(ChainType::MAIN);
78}
79
80void initialize_mocked_descriptor_parse()
81{
82    initialize_descriptor_parse();
83    MOCKED_DESC_CONVERTER.Init();
84}
85
86FUZZ_TARGET(mocked_descriptor_parse, .init = initialize_mocked_descriptor_parse)
87{
88    const std::string mocked_descriptor{buffer.begin(), buffer.end()};
89    if (const auto descriptor = MOCKED_DESC_CONVERTER.GetDescriptor(mocked_descriptor)) {
90        if (IsTooExpensive(MakeUCharSpan(*descriptor))) return;
91        FlatSigningProvider signing_provider;
92        std::string error;
93        const auto desc = Parse(*descriptor, signing_provider, error);
94        std::optional<bool> is_ranged;
95        std::optional<bool> is_solvable;
96        for (const auto& d : desc) {
97            assert(d);
98            TestDescriptor(*d, signing_provider, error, is_ranged, is_solvable);
99        }
100    }
101}
102
103FUZZ_TARGET(descriptor_parse, .init = initialize_descriptor_parse)
104{
105    if (IsTooExpensive(buffer)) return;
106
107    const std::string descriptor(buffer.begin(), buffer.end());
108    FlatSigningProvider signing_provider;
109    std::string error;
110    for (const bool require_checksum : {true, false}) {
111        const auto desc = Parse(descriptor, signing_provider, error, require_checksum);
112        std::optional<bool> is_ranged;
113        std::optional<bool> is_solvable;
114        for (const auto& d : desc) {
115            assert(d);
116            TestDescriptor(*d, signing_provider, error, is_ranged, is_solvable);
117        }
118    }
119}
120

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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