How to handle a non-consumable in app purchase when SKPaymentQueue is deprecated

I use the code below for a non-consumable in-app purchase in my apps. Has anybody worked out how to handle this without using any of the deprecated items?

SKPaymentQueue - deprecated, SKPayment - deprecated, SKProduct - deprecated, transactionState - deprecated, SKPaymentTransaction - deprecated, finishTransaction - deprecated

func paymentQueue(_ queue: SKPaymentQueue, shouldAddStorePayment payment: SKPayment, for product: SKProduct) -> Bool
    {
        true
    }
    
    func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction])
    {
        for transaction in transactions
        {
            switch transaction.transactionState
            {
            case .purchasing:
                break
                
            case .purchased:
                
                SKPaymentQueue.default().finishTransaction(transaction)
                
                // Hide the restore button
                navigationItem.setRightBarButton(nil, animated: true)
                
                // Set the ProVerion in the Db to true
                IAPHandler.setProVersionToPurchased()
                
                // Also hide the Purchase button
                UIView.animate(withDuration: 1.0, animations: { [weak self] in
                    self?.purchaseBtn_Outlet.alpha = 0
                }) { [weak self] (success) in
                    
                   if self!.theDevice.isOneOf(K.Device_Groups.SE_3_iPhone8) {
                        self?.segControlTop_Constraint.constant = 10

                    } else if self!.theDevice.isPhone {
                        self?.segControlTop_Constraint.constant = 30
                    }
                }
                
            case .failed:
                if let error = transaction.error
                {
                    let errorDescription = error.localizedDescription
                    print("Transaction failed due to error: \(errorDescription)")
                }
                
            case .restored:
                
                SKPaymentQueue.default().finishTransaction(transaction)
                
                // Hide the restore button
                navigationItem.setRightBarButton(nil, animated: true)
                
                // Set the ProVerion in the Db to true
                IAPHandler.setProVersionToPurchased()
                
                // Also hide the Purchase button
                UIView.animate(withDuration: 1.0, animations: { [weak self] in
                    self?.purchaseBtn_Outlet.alpha = 0
                }) { [weak self] (success) in
                    
                    if self!.theDevice.isOneOf(K.Device_Groups.SE_3_iPhone8) {
                        self?.segControlTop_Constraint.constant = 10

                    } else if self!.theDevice.isPhone {
                        self?.segControlTop_Constraint.constant = 30
                    }
                }
                
            case .deferred:
                break
                
            @unknown default:
                if let error = transaction.error
                {
                    let errorDescription = error.localizedDescription
                    print("Transaction failed due to error: \(errorDescription)")
                }
                break
            }
        }
    }

// Sets the purchase to true in the Db
class IAPHandler: NSObject {

    //Get the ProVersion Status
    static func isProVersionPurchased() -> Bool
    {
        let VC_String = "IAPHandler"
        var theStatus = false
        
        do {
            let settings = try Database.shared.databaseConnection!.read { db in
                try My_Settings.fetchOne(db)
            }
            
            let theStatusText = settings?.ProVersion ?? "false"
            theStatus = theStatusText == "true" ? true : false
            
        } catch {
            print("Getting the ProVersion Status failed! \(VC_String) \(error)")
        }
        return theStatus
    }
    
    // Set ProVersion to true.
    static func setProVersionToPurchased()
    {
        let VC_String = "IAPHandler"
        
        do {
            try Database.shared.databaseConnection!.write { db in
                try db.execute(sql: "UPDATE My_Settings SET ProVersion = :proVersion WHERE Settings_ID = :id",
                            arguments: ["proVersion": "true", "id": 1])
            }
        } catch {
            print("Update set pro version, failed! \(VC_String)s \(error)")
        }
    }
    
}// End of class