if (mapArgs.count("-primenodekey") && mapArgs.count("-primenoderate")) // paycoin: primenode priv key
{
std::string strPrivKey = GetArg("-primenodekey", "");
std::vector vchPrivKey = ParseHex(strPrivKey);
CKey key;
key.SetPrivKey(CPrivKey(vchPrivKey.begin(), vchPrivKey.end())); // if key is not correct openssl may crash
CScript scriptTime;
scriptTime << txNew.nTime;
uint256 hashScriptTime = Hash(scriptTime.begin(), scriptTime.end());
std::vector vchSig;
if(!key.Sign(hashScriptTime, vchSig)){
return error("CreateCoinStake : Unable to sign checkpoint, wrong primenodekey?");
}
CScript scriptPrimeNode;
std::string primeNodeRateArg = GetArg("-primenoderate", "");
if (primeNodeRateArg.compare("350") == 0){
scriptPrimeNode << OP_PRIMENODE350 << vchSig;
primeNodeRate = 350;
nCombineThreshold = MINIMUM_FOR_PRIMENODE;
}else if (primeNodeRateArg.compare("100") == 0){
scriptPrimeNode << OP_PRIMENODE100 << vchSig;
primeNodeRate = 100;
nCombineThreshold = MINIMUM_FOR_PRIMENODE;
}else if (primeNodeRateArg.compare("20") == 0){
scriptPrimeNode << OP_PRIMENODE20 << vchSig;
primeNodeRate = 20;
nCombineThreshold = MINIMUM_FOR_PRIMENODE;
}else if (primeNodeRateArg.compare("10") == 0){
scriptPrimeNode << OP_PRIMENODE10 << vchSig;
primeNodeRate = 10;
nCombineThreshold = MINIMUM_FOR_PRIMENODE;
}else{
return error("CreateCoinStake : Primenode rate configuration is wrong or missing");
}
txNew.vout.push_back(CTxOut(0, scriptPrimeNode));
}else{
// Mark coin stake transaction
CScript scriptEmpty;
scriptEmpty.clear();
txNew.vout.push_back(CTxOut(0, scriptEmpty));
}

static const int64 MINIMUM_FOR_PRIMENODE = 125000 * COIN;