Method SetCache

src/wallet/scriptpubkeyman.cpp:2243–2271

}

void DescriptorScriptPubKeyMan::SetCache(const DescriptorCache& cache)
{
    LOCK(cs_desc_man);
    m_wallet_descriptor.cache = cache;
    for (int32_t i = m_wallet_descriptor.range_start; i < m_wallet_descriptor.range_end; ++i) {
        FlatSigningProvider out_keys;
        std::vector<CScript> scripts_temp;
        if (!m_wallet_descriptor.descriptor->ExpandFromCache(i, m_wallet_descriptor.cache, scripts_temp, out_keys)) {
            throw std::runtime_error("Error: Unable to expand wallet descriptor from cache");
        }
        // Add all of the scriptPubKeys to the scriptPubKey set
        for (const CScript& script : scripts_temp) {
            if (m_map_script_pub_keys.count(script) != 0) {
                throw std::runtime_error(strprintf("Error: Already loaded script at index %d as being at index %d", i, m_map_script_pub_keys[script]));
            }
            m_map_script_pub_keys[script] = i;
        }
        for (const auto& pk_pair : out_keys.pubkeys) {
            const CPubKey& pubkey = pk_pair.second;
            if (m_map_pubkeys.count(pubkey) != 0) {
                // We don't need to give an error here.
                // It doesn't matter which of many valid indexes the pubkey has, we just need an index where we can derive it and it's private key
                continue;
            }
            m_map_pubkeys[pubkey] = i;
        }
        m_max_cached_index++;
    }
}

bool DescriptorScriptPubKeyMan::AddKey(const CKeyID& key_id, const CKey& key)
{