/// <summary>
/// Get Purchases with the status information
/// </summary>
/// <param name="itemType"></param>
/// <returns></returns>
public async Task <List <PurchaseResult> > GetPurchaseHistoryAsync(ItemType itemType)
{
if (BillingClient == null || !BillingClient.IsReady)
{
await ConnectAsync();
}
_tcsPurchaseHistory = new TaskCompletionSource <List <PurchaseResult> >();
var type = itemType == ItemType.InAppPurchase ? BillingClient.SkuType.Inapp : BillingClient.SkuType.Subs;
BillingClient.QueryPurchaseHistoryAsync(type, this);
return(await _tcsPurchaseHistory?.Task ?? default);
}