bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey);
bool CheckProofOfWork(uint256 hash, unsigned int nBits);
int64 GetProofOfWorkReward(unsigned int nBits);
-int64 GetProofOfStakeReward(int64 nCoinAge, unsigned int nBits, unsigned int nTime);
+int64 GetProofOfStakeReward(int64 nCoinAge, unsigned int nBits, unsigned int nTime, bool bCoinYearOnly=false);
unsigned int ComputeMinWork(unsigned int nBase, int64 nTime);
int GetNumBlocksOfPeers();
bool IsInitialBlockDownload();