Method WriteDestructive

library/cpp/netliba/v12/block_chain.h:246–253

will take *data ownership, saves copy

        }
        // will take *data ownership, saves copy
        void WriteDestructive(TDataVector* data) {
            int n = data ? data->ysize() : 0;
            Write(n);
            if (n > 0) {
                auto& local = DataVectors.emplace_back(std::move(*data));
                Chain.AddBlock(&local[0], local.ysize());
            }
        }
        void AttachSharedData(TIntrusivePtr<TPosixSharedMemory> shm) {
            SharedData = shm;
        }