ringo_main.cpp

        // Extra checks to prevent "fill up memory by spamming with bogus blocks"
        int64_t deltaTime = pblock->GetBlockTime() - pcheckpoint->nTime;
        CBigNum bnNewBlock;
        bnNewBlock.SetCompact(pblock->nBits);
        CBigNum bnRequired;

        if (pblock->IsProofOfStake())
            bnRequired.SetCompact(ComputeMinStake(GetLastBlockIndex(pcheckpoint, true)->nBits, deltaTime, pblock->nTime));
        else
            bnRequired.SetCompact(ComputeMinWork(GetLastBlockIndex(pcheckpoint, false)->nBits, deltaTime));

        if (bnNewBlock > bnRequired)
        {
            if (pfrom)
                pfrom->Misbehaving(100);
            // ここを変更して欲しい
            // return error("ProcessBlock() : block with too little %s", pblock->IsProofOfStake()? "proof-of-stake" : "proof-of-work");
            return error("ProcessBlock() : block with too little %s bnNewBlock %s bnRequired %s",
                         pblock->IsProofOfStake()? "proof-of-stake" : "proof-of-work",
                         bnNewBlock.ToString().c_str(), bnRequired.ToString().c_str());
        }