Function LoadChainTip

src/validation.cpp:4190–4221

}

bool LoadChainTip(const CChainParams& chainparams)
{
    AssertLockHeld(cs_main);

    if (chainActive.Tip() && chainActive.Tip()->GetBlockHash() == pcoinsTip->GetBestBlock()) return true;

    if (pcoinsTip->GetBestBlock().IsNull() && mapBlockIndex.size() == 1) {
        // In case we just added the genesis block, connect it now, so
        // that we always have a chainActive.Tip() when we return.
        LogPrintf("%s: Connecting genesis block...\n", __func__);
        CValidationState state;
        if (!ActivateBestChain(state, chainparams)) {
            LogPrintf("%s: failed to activate chain (%s)\n", __func__, FormatStateMessage(state));
            return false;
        }
    }

    // Load pointer to end of best chain
    CBlockIndex* pindex = LookupBlockIndex(pcoinsTip->GetBestBlock());
    if (!pindex) {
        return false;
    }
    chainActive.SetTip(pindex);

    g_chainstate.PruneBlockIndexCandidates();

    LogPrintf("Loaded best chain: hashBestChain=%s height=%d date=%s progress=%f\n",
        chainActive.Tip()->GetBlockHash().ToString(), chainActive.Height(),
        FormatISO8601DateTime(chainActive.Tip()->GetBlockTime()),
        GuessVerificationProgress(chainparams.TxData(), chainActive.Tip()));
    return true;
}

CVerifyDB::CVerifyDB()
{