Function IsInitialBlockDownload

src/main.cpp:2636–2650

}

bool IsInitialBlockDownload() {
    LOCK(cs_main);
    if (SysCfg().IsImporting() ||
        SysCfg().IsReindex())
        return true;

    static int64_t nLastUpdate;
    static CBlockIndex *pIndexLastBest;
    if (chainActive.Tip() != pIndexLastBest) {
        pIndexLastBest = chainActive.Tip();
        nLastUpdate    = GetTime();
    }

    return (GetTime() - nLastUpdate < 10 && chainActive.Tip()->GetBlockTime() < GetTime() - 24 * 60 * 60);
}