code: func (token *Token) Validate(securityCode string) (valid bool) {
  
  	totp := otp.TOTP{
  		Secret:         token.Secret,
  		IsBase32Secret: true,
  	}
  	valid = totp.Now().Verify(securityCode)
  	return
  
  }
docs: //Validate checks a securityCode against a totp token