Method AddToBlockIndex

src/node/blockstorage.cpp:224–256

}

CBlockIndex* BlockManager::AddToBlockIndex(const CBlockHeader& block, CBlockIndex*& best_header)
{
    AssertLockHeld(cs_main);

    auto [mi, inserted] = m_block_index.try_emplace(block.GetHash(), block);
    if (!inserted) {
        return &mi->second;
    }
    CBlockIndex* pindexNew = &(*mi).second;

    // We assign the sequence id to blocks only when the full data is available,
    // to avoid miners withholding blocks but broadcasting headers, to get a
    // competitive advantage.
    pindexNew->nSequenceId = SEQ_ID_INIT_FROM_DISK;

    pindexNew->phashBlock = &((*mi).first);
    BlockMap::iterator miPrev = m_block_index.find(block.hashPrevBlock);
    if (miPrev != m_block_index.end()) {
        pindexNew->pprev = &(*miPrev).second;
        pindexNew->nHeight = pindexNew->pprev->nHeight + 1;
        pindexNew->BuildSkip();
    }
    pindexNew->nTimeMax = (pindexNew->pprev ? std::max(pindexNew->pprev->nTimeMax, pindexNew->nTime) : pindexNew->nTime);
    pindexNew->nChainWork = (pindexNew->pprev ? pindexNew->pprev->nChainWork : 0) + GetBlockProof(*pindexNew);
    pindexNew->RaiseValidity(BLOCK_VALID_TREE);
    if (best_header == nullptr || best_header->nChainWork < pindexNew->nChainWork) {
        best_header = pindexNew;
    }

    m_dirty_blockindex.insert(pindexNew);

    return pindexNew;
}

void BlockManager::AddUnlinkedBlock(CBlockIndex* block)
{