Function CheckInferDescriptor

src/test/descriptor_tests.cpp:549–593

}

void CheckInferDescriptor(const std::string& script_hex, const std::string& expected_desc, const std::vector<std::string>& hex_scripts, const std::vector<std::pair<std::string, std::string>>& origin_pubkeys)
{
    std::vector<unsigned char> script_bytes{ParseHex(script_hex)};
    const CScript& script{script_bytes.begin(), script_bytes.end()};

    FlatSigningProvider provider;
    for (const std::string& prov_script_hex : hex_scripts) {
        std::vector<unsigned char> prov_script_bytes{ParseHex(prov_script_hex)};
        const CScript& prov_script{prov_script_bytes.begin(), prov_script_bytes.end()};
        provider.scripts.emplace(CScriptID(prov_script), prov_script);
    }
    for (const auto& [pubkey_hex, origin_str] : origin_pubkeys) {
        CPubKey origin_pubkey{ParseHex(pubkey_hex)};
        provider.pubkeys.emplace(origin_pubkey.GetID(), origin_pubkey);

        if (!origin_str.empty()) {
            KeyOriginInfo info;
            std::span<const char> origin_sp{origin_str};
            std::vector<std::span<const char>> origin_split = Split(origin_sp, "/");
            std::string fpr_str(origin_split[0].begin(), origin_split[0].end());
            auto fpr_bytes = ParseHex(fpr_str);
            std::copy(fpr_bytes.begin(), fpr_bytes.end(), info.fingerprint);
            for (size_t i = 1; i < origin_split.size(); ++i) {
                std::span<const char> elem = origin_split[i];
                bool hardened = false;
                if (elem.size() > 0) {
                    const char last = elem[elem.size() - 1];
                    if (last == '\'' || last == 'h') {
                        elem = elem.first(elem.size() - 1);
                        hardened = true;
                    }
                }
                const uint32_t p{*Assert(ToIntegral<uint32_t>(std::string_view{elem.begin(), elem.end()}))};
                info.path.push_back(p | (((uint32_t)hardened) << 31));
            }

            provider.origins.emplace(origin_pubkey.GetID(), std::make_pair(origin_pubkey, info));
        }
    }

    std::string checksum{GetDescriptorChecksum(expected_desc)};

    std::unique_ptr<Descriptor> desc = InferDescriptor(script, provider);
    BOOST_CHECK_EQUAL(desc->ToString(), expected_desc + "#" + checksum);
}

}