public func deactivateAllBalances(completion: @escaping (() -> ())) {
    getAllBalanceIds { (balanceIds) in
        guard let balanceIds = balanceIds else { return }
        for balanceId in balanceIds {
            let db = Firestore.firestore()
            let userId = Auth.auth().currentUser?.uid ?? ""
            db.collection("account").document(userId).collection("balance").document(balanceId).setValue(false, forKey: "active")
            //db.document("account/(userId)/balance/(balanceId)").setValue(false, forKey: "active")
        }
        completion()
    }
}