bool GetStakeWeight(const CKeyStore& keystore, uint64& nMinWeight, uint64& nMaxWeight, uint64& nWeight);
void GetStakeWeightFromValue(const int64& nTime, const int64& nValue, uint64& nWeight);
bool CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, int64 nSearchInterval, CTransaction& txNew, CKey& key);
+ bool MergeCoins(const int64& nAmount, const int64& nMaxValue, const int64& nOutputValue, list<uint256>& listMerged);
std::string SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
std::string SendMoneyToDestination(const CTxDestination &address, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);