// miner's coin base reward based on nBits
int64 GetProofOfWorkReward(int nHeight, int64 nFees, uint256 prevHash)
{

int64 nSubsidy = 500 * COIN;

if(nHeight==1){
 nSubsidy = 500000 * COIN;
}

if(nHeight<1000 && nHeight>1){
 nSubsidy = 1 * COIN;
}

if(nHeight<10000 && nHeight>999){
 nSubsidy = 500 * COIN;
}

if(nHeight<20000 && nHeight > 9999){
 nSubsidy = 250 * COIN;
}

if(nHeight<40000 && nHeight > 19999){
 nSubsidy = 100 * COIN;
}

if(nHeight<60000 && nHeight > 39999){
 nSubsidy = 50 * COIN;
}

if(nHeight<100000 && nHeight > 59999){
 nSubsidy = 10 * COIN;
}

if(nHeight>99999){
 nSubsidy = 1 * COIN;
}

    return nSubsidy + nFees;
}