Helium by Chartboost SDK integration

public void ilrdObserver (final HeliumImpressionData impData) {
    final AdjustAdRevenue adjustAdRevenue = new AdjustAdRevenue("helium_chartboost_sdk");
    // extract the ILRD payload
    final JSONObject json = impData.getIlrdInfo();
    try {
        final double adRevenue = json.getDouble("ad_revenue");
        final String currencyType = json.getString("currency_type");
        adjustAdRevenue.setRevenue(adRevenue, currencyType);
    } catch (JSONException e) {
        // error handling as either revenue or currency was not present
        return;
    }
    // optional fields
    final String networkName = json.optString("network_name");     // Helium demand network name
    final String placementName = json.optString("placement_name"); // Helium placement name
    final String lineItemName = json.optString("line_item_name");  // Helium line item name
    adjustAdRevenue.setAdRevenueNetwork(networkName);
    adjustAdRevenue.setAdRevenueUnit(placementName);
    adjustAdRevenue.setAdRevenuePlacement(lineItemName);
    // Send Adjust ad revenue
    Adjust.trackAdRevenue(adjustAdRevenue);
}