Method LoadBlockIndex

src/validation.cpp:4920–4944

}

bool ChainstateManager::LoadBlockIndex()
{
    AssertLockHeld(cs_main);
    // Load block index from databases
    if (m_blockman.m_blockfiles_indexed) {
        bool ret{m_blockman.LoadBlockIndexDB(CurrentChainstate().m_from_snapshot_blockhash)};
        if (!ret) return false;

        m_blockman.ScanAndUnlinkAlreadyPrunedFiles();

        std::vector<CBlockIndex*> vSortedByHeight{m_blockman.GetAllBlockIndices()};
        std::sort(vSortedByHeight.begin(), vSortedByHeight.end(),
                  CBlockIndexHeightOnlyComparator());

        for (CBlockIndex* pindex : vSortedByHeight) {
            if (m_interrupt) return false;
            if (pindex->nStatus & BLOCK_FAILED_VALID && (!m_best_invalid || pindex->nChainWork > m_best_invalid->nChainWork)) {
                m_best_invalid = pindex;
            }
            if (pindex->IsValid(BLOCK_VALID_TREE) && (m_best_header == nullptr || CBlockIndexWorkComparator()(m_best_header, pindex)))
                m_best_header = pindex;
        }
    }
    return true;
}

bool Chainstate::LoadGenesisBlock()
{