Method WriteBlock

src/index/blockfilterindex.cpp:212–253

}

bool BlockFilterIndex::WriteBlock(const CBlock& block, const CBlockIndex* pindex)
{
    CBlockUndo block_undo;
    uint256 prev_header;

    if (pindex->nHeight > 0) {
        if (!UndoReadFromDisk(block_undo, pindex)) {
            return false;
        }

        std::pair<uint256, DBVal> read_out;
        if (!m_db->Read(DBHeightKey(pindex->nHeight - 1), read_out)) {
            return false;
        }

        uint256 expected_block_hash = pindex->pprev->GetBlockHash();
        if (read_out.first != expected_block_hash) {
            return error("%s: previous block header belongs to unexpected block %s; expected %s",
                         __func__, read_out.first.ToString(), expected_block_hash.ToString());
        }

        prev_header = read_out.second.header;
    }

    BlockFilter filter(m_filter_type, block, block_undo);

    size_t bytes_written = WriteFilterToDisk(m_next_filter_pos, filter);
    if (bytes_written == 0) return false;

    std::pair<uint256, DBVal> value;
    value.first = pindex->GetBlockHash();
    value.second.hash = filter.GetHash();
    value.second.header = filter.ComputeHeader(prev_header);
    value.second.pos = m_next_filter_pos;

    if (!m_db->Write(DBHeightKey(pindex->nHeight), value)) {
        return false;
    }

    m_next_filter_pos.nPos += bytes_written;
    return true;
}

static bool CopyHeightIndexToHashIndex(CDBIterator& db_it, CDBBatch& batch,
                                       const std::string& index_name,