Method AddBlockSum

library/cpp/netliba/v6/block_chain.cpp:38–44

    }

    void TIncrementalChecksumCalcer::AddBlockSum(ui32 sum, int size) {
        for (int k = 0; k < Offset; ++k)
            sum = (sum >> 24) + ((sum & 0xffffff) << 8);
        TotalSum += sum;

        Offset = (Offset + size) & 3;
    }

    ui32 TIncrementalChecksumCalcer::CalcBlockSum(const void* p, int size) {
        i64 sum = 0;