Function DbCacheToString

src/rpc/rpcmisc.cpp:357–383

string DbCacheToString(CBlockIndexDB &cache) {
    std::shared_ptr<leveldb::Iterator> pCursor(cache.NewIterator());
    const std::string &prefix = dbk::GetKeyPrefix(dbk::BLOCK_INDEX);
    string str;
    for (pCursor->Seek(prefix); pCursor->Valid(); pCursor->Next()) {
        boost::this_thread::interruption_point();
        try {
            leveldb::Slice slKey = pCursor->key();
            if (slKey.starts_with(prefix)) {
                leveldb::Slice slValue = pCursor->value();
                CDataStream ssValue(slValue.data(), slValue.data() + slValue.size(), SER_DISK, CLIENT_VERSION);
                CDiskBlockIndex diskIndex;
                ssValue >> diskIndex;
                uint256 hash;
                ParseDbKey(slKey, dbk::BLOCK_INDEX, hash);
                str += strprintf("{%s}={%s},\n", hash.ToString(), diskIndex.ToString());

            } else {
                break;  // if shutdown requested or finished loading block index
            }
        } catch (const std::exception &e) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Deserialize or I/O error - %s", e.what()));
        }
    }

    return strprintf("-->%s, data={%s}\n", prefix, str);
}

template<int32_t PREFIX_TYPE, typename KeyType, typename ValueType>
string DbCacheToString(CCompositeKVCache<PREFIX_TYPE, KeyType, ValueType> &cache) {