Added code for nonce validation.
Added code for nonce validation.

habibmasuro/omniwallet,ripper234/omniwallet,OmniLayer/omniwallet,Nevtep/omniwallet,ripper234/omniwallet,achamely/omniwallet,Nevtep/omniwallet,curtislacy/omniwallet,ripper234/omniwallet,OmniLayer/omniwallet,habibmasuro/omniwallet,FuzzyBearBTC/omniwallet,dexX7/omniwallet,VukDukic/omniwallet,dexX7/omniwallet,achamely/omniwallet,habibmasuro/omniwallet,OmniLayer/omniwallet,VukDukic/omniwallet,curtislacy/omniwallet,arowser/omniwallet,Nevtep/omniwallet,FuzzyBearBTC/omniwallet,FuzzyBearBTC/omniwallet,habibmasuro/omniwallet,Nevtep/omniwallet,VukDukic/omniwallet,arowser/omniwallet,dexX7/omniwallet,OmniLayer/omniwallet,curtislacy/omniwallet,arowser/omniwallet,achamely/omniwallet,achamely/omniwallet