Function CreateWalletDescriptor

src/wallet/test/fuzz/scriptpubkeyman.cpp:61–82

}

static std::optional<std::pair<WalletDescriptor, FlatSigningProvider>> CreateWalletDescriptor(FuzzedDataProvider& fuzzed_data_provider)
{
    const std::string mocked_descriptor{fuzzed_data_provider.ConsumeRandomLengthString()};
    const auto desc_str{MOCKED_DESC_CONVERTER.GetDescriptor(mocked_descriptor)};
    if (!desc_str.has_value()) return std::nullopt;
    if (IsTooExpensive(MakeUCharSpan(*desc_str))) return {};

    FlatSigningProvider keys;
    std::string error;
    std::vector<std::unique_ptr<Descriptor>> parsed_descs = Parse(desc_str.value(), keys, error, false);
    if (parsed_descs.empty()) return std::nullopt;

    // Verify expand succeeds before making WalletDescriptor
    // Expansion results are not needed
    FlatSigningProvider out_keys;
    std::vector<CScript> scripts_temp;
    DescriptorCache temp_cache;
    if (!parsed_descs.at(0)->Expand(0, keys, scripts_temp, out_keys, &temp_cache)) return std::nullopt;

    WalletDescriptor w_desc{std::move(parsed_descs.at(0)), /*creation_time=*/0, /*range_start=*/0, /*range_end=*/1, /*next_index=*/1};
    return std::make_pair(w_desc, keys);
}

static DescriptorScriptPubKeyMan* CreateDescriptor(WalletDescriptor& wallet_desc, FlatSigningProvider& keys, CWallet& keystore)
{