let uid = FIRAuth.auth()?.currentUser?.uid let ref = FIRDatabase.database().reference().child("users").child((uid)!) ref.observeSingleEvent(of: .value, with: { snapshot in if let dictionary = snapshot.value as? [String: AnyObject] { let htest = dictionary["h"] as! String //Thread1: signal SIGABRT var inthtest = Int(htest) if (inthtest==0){ self.checkPointsk() print("scanning1")
var
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