Method getVerificationProgress

src/node/interfaces.cpp:240–248

        return Params().GenesisBlock().GetBlockTime(); // Genesis block's time of current network
    }
    double getVerificationProgress() override
    {
        const CBlockIndex* tip;
        {
            LOCK(::cs_main);
            tip = chainman().ActiveChain().Tip();
        }
        return GuessVerificationProgress(tip, Params().GetConsensus().nPowTargetSpacing);
    }
    bool isInitialBlockDownload() override {
        return chainman().ActiveChainstate().IsInitialBlockDownload();
    }