CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
{
 int halvings = nHeight / consensusParams.nSubsidyHalvingInterval;
 // Force block reward to zero when right shift is undefined.
 if (halvings >= 64)
 return 0;

 CAmount nSubsidy = 50 * COIN;
 // Subsidy is cut in half every 210,000 blocks (approx. every 4 years).
 nSubsidy >>= halvings;
 return nSubsidy;
}