Method ToString

src/script/descriptor.cpp:1647–1666

        : m_arg(arg), m_pubkeys(pubkeys), m_type(type), m_cache(cache) {}

    std::optional<std::string> ToString(uint32_t key, bool& has_priv_key) const
    {
        std::string ret;
        has_priv_key = false;
        switch (m_type) {
        case DescriptorImpl::StringType::PUBLIC:
            ret = m_pubkeys[key]->ToString();
            break;
        case DescriptorImpl::StringType::PRIVATE:
            has_priv_key = m_pubkeys[key]->ToPrivateString(*m_arg, ret);
            break;
        case DescriptorImpl::StringType::NORMALIZED:
            if (!m_pubkeys[key]->ToNormalizedString(*m_arg, ret, m_cache)) return {};
            break;
        case DescriptorImpl::StringType::COMPAT:
            ret = m_pubkeys[key]->ToString(PubkeyProvider::StringType::COMPAT);
            break;
        }
        return ret;
    }
};

class MiniscriptDescriptor final : public DescriptorImpl