Function CheckPBFTMessage

src/miner/pbftmanager.cpp:428–474

}

bool CheckPBFTMessage(const int32_t msgType ,const CPBFTMessage& msg) {


    //check message type;
    if(msg.msgType != msgType ) {
        LogPrint(BCLog::PBFT, "msgType is illegal");
        return false;
    }

    CAccount account;
    CBlockIndex* localFinBlock = pbftMan.GetLocalFinIndex();
    {
        LOCK(cs_main);

        //check height
        if(msg.height - chainActive.Height() > 500 || (localFinBlock && msg.height < (uint32_t)localFinBlock->height) ) {
            LogPrint(BCLog::PBFT, "messages height is out of range\n");
            return false;
        }

        //if block received,check whether in chainActive
        CBlockIndex* pIndex = chainActive[msg.height];
        if(pIndex == nullptr || pIndex->GetBlockHash() != msg.blockHash) {
            LogPrint(BCLog::PBFT, "msg_block=%s not in chainActive! miner=%s\n",
                msg.GetBlockId(), msg.miner.ToString());
            return false;
        }

        //check signature
        if(!pCdMan->pAccountCache->GetAccount(msg.miner, account)) {
            LogPrint(BCLog::PBFT, "the miner=%s of msg is not found! msg_block=%s\n",
                msg.miner.ToString(), msg.GetBlockId());
            return false;
        }
    }
    uint256 messageHash = msg.GetHash();
    if (!VerifySignature(messageHash, msg.vSignature, account.owner_pubkey)) {
        if (!VerifySignature(messageHash, msg.vSignature, account.miner_pubkey)) {
            LogPrint(BCLog::INFO, "verify signature error! miner=%s, msg_block=%s\n",
                msg.miner.ToString(), msg.GetBlockId());
            return false;
        }
    }

    return true;

}

bool RelayBlockConfirmMessage(const CBlockConfirmMessage& msg){