function setMinimumHydroStakes(uint newMinimumHydroStakeUser, uint newMinimumHydroStakeDelegatedUser)
        public onlyOwner
    {
        ERC20Basic hydro = ERC20Basic(hydroTokenAddress);
        require(newMinimumHydroStakeUser <= (hydro.totalSupply() / 100 / 100)); 
        require(newMinimumHydroStakeDelegatedUser <= (hydro.totalSupply() / 100 / 2)); 
        minimumHydroStakeUser = newMinimumHydroStakeUser;
        minimumHydroStakeDelegatedUser = newMinimumHydroStakeDelegatedUser;
    }