retrieve stored index from mixconfig on whirlpool wallet load

src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java

@@ -1145,6 +1145,7 @@ public class SendController extends WalletFormController implements Initializabl
             AppServices.showErrorDialog("Error broadcasting premix transaction", exception.getMessage());
         });
         ServiceProgressDialog progressDialog = new ServiceProgressDialog("Whirlpool", "Broadcast Premix Transaction", "/image/whirlpool.png", tx0BroadcastService);
+        AppServices.moveToActiveWindowScreen(progressDialog);
         tx0BroadcastService.start();
     }
 

src/main/java/com/sparrowwallet/sparrow/whirlpool/dataSource/SparrowDataSource.java

@@ -89,8 +89,10 @@ public class SparrowDataSource extends WalletResponseDataSource {
             List<ExtendedKey.Header> headers = ExtendedKey.Header.getHeaders(Network.get());
             ExtendedKey.Header header = headers.stream().filter(head -> head.getDefaultScriptType().equals(wallet.getScriptType()) && !head.isPrivateKey()).findFirst().orElse(ExtendedKey.Header.xpub);
             address.address = wallet.getKeystores().get(0).getExtendedPublicKey().toString(header);
-            address.account_index = wallet.getNode(KeyPurpose.RECEIVE).getHighestUsedIndex() == null ? 0 : wallet.getNode(KeyPurpose.RECEIVE).getHighestUsedIndex() + 1;
+            int receiveIndex = wallet.getNode(KeyPurpose.RECEIVE).getHighestUsedIndex() == null ? 0 : wallet.getNode(KeyPurpose.RECEIVE).getHighestUsedIndex() + 1;
-            address.change_index = wallet.getNode(KeyPurpose.CHANGE).getHighestUsedIndex() == null ? 0 : wallet.getNode(KeyPurpose.CHANGE).getHighestUsedIndex() + 1;
+            address.account_index = wallet.getMixConfig() != null ? Math.max(receiveIndex, wallet.getMixConfig().getReceiveIndex()) : receiveIndex;
+            int changeIndex = wallet.getNode(KeyPurpose.CHANGE).getHighestUsedIndex() == null ? 0 : wallet.getNode(KeyPurpose.CHANGE).getHighestUsedIndex() + 1;
+            address.change_index = wallet.getMixConfig() != null ? Math.max(changeIndex, wallet.getMixConfig().getChangeIndex()) : changeIndex;
             address.n_tx = wallet.getTransactions().size();
             addresses.add(address);
 

src/main/java/com/sparrowwallet/sparrow/whirlpool/dataSource/SparrowIndexHandler.java

@@ -60,15 +60,15 @@ public class SparrowIndexHandler extends AbstractIndexHandler {
 
     private void setStoredIndex(int index) {
         if(wallet.getMixConfig() != null) {
-            if(walletNode.getKeyPurpose() == KeyPurpose.RECEIVE) {
+            if(walletNode.getKeyPurpose() == KeyPurpose.RECEIVE && wallet.getMixConfig().getReceiveIndex() != index) {
                 wallet.getMixConfig().setReceiveIndex(index);
-            } else if(walletNode.getKeyPurpose() == KeyPurpose.CHANGE) {
+                EventManager.get().post(new WalletMixConfigChangedEvent(wallet));
+            } else if(walletNode.getKeyPurpose() == KeyPurpose.CHANGE && wallet.getMixConfig().getChangeIndex() != index) {
                 wallet.getMixConfig().setChangeIndex(index);
-            }
-
                 EventManager.get().post(new WalletMixConfigChangedEvent(wallet));
             }
         }
+    }
 
     private void ensureSufficientGapLimit(int index) {
         int highestUsedIndex = getCurrentIndex() - 1;