add rename wallet menu command

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -220,6 +220,8 @@ public class AppController implements Initializable {
 
     private final Set<Wallet> emptyLoadingWallets = new LinkedHashSet<>();
 
+    private final Map<File, File> renamedWallets = new HashMap<>();
+
     private final ChangeListener<Boolean> serverToggleOnlineListener = (observable, oldValue, newValue) -> {
         Platform.runLater(() -> setServerToggleTooltip(getCurrentBlockHeight()));
     };
@@ -851,6 +853,10 @@ public class AppController implements Initializable {
         }
     }
 
+    public void renameWallet(ActionEvent event) {
+        renameWallet(getSelectedWalletForm());
+    }
+
     public void deleteWallet(ActionEvent event) {
         deleteWallet(getSelectedWalletForm());
     }
@@ -1548,6 +1554,11 @@ public class AppController implements Initializable {
 
             tabs.getTabs().add(tab);
             tabs.getSelectionModel().select(tab);
+
+            File oldWalletFile = renamedWallets.remove(storage.getWalletFile());
+            if(oldWalletFile != null) {
+                deleteStorage(new Storage(oldWalletFile), false);
+            }
         } else {
             for(Tab walletTab : tabs.getTabs()) {
                 TabData tabData = (TabData)walletTab.getUserData();
@@ -1970,6 +1981,30 @@ public class AppController implements Initializable {
         }
     }
 
+    private void renameWallet(WalletForm selectedWalletForm) {
+        WalletNameDialog walletNameDialog = new WalletNameDialog(selectedWalletForm.getMasterWallet().getName(), false, null, true);
+        Optional<WalletNameDialog.NameAndBirthDate> optName = walletNameDialog.showAndWait();
+        if(optName.isPresent()) {
+            File walletFile = Storage.getWalletFile(optName.get().getName() + "." + PersistenceType.DB.getExtension());
+            if(walletFile.exists()) {
+                showErrorDialog("Error renaming wallet", "Wallet file " + walletFile.getAbsolutePath() + " already exists.");
+                return;
+            }
+
+            Storage.CopyWalletService copyWalletService = new Storage.CopyWalletService(selectedWalletForm.getWallet(), walletFile);
+            copyWalletService.setOnSucceeded(event -> {
+                renamedWallets.put(walletFile, selectedWalletForm.getStorage().getWalletFile());
+                tabs.getTabs().remove(tabs.getSelectionModel().getSelectedItem());
+                openWalletFile(walletFile, true);
+            });
+            copyWalletService.setOnFailed(event -> {
+                log.error("Error renaming wallet", event.getSource().getException());
+                showErrorDialog("Error renaming wallet", event.getSource().getException().getMessage());
+            });
+            copyWalletService.start();
+        }
+    }
+
     private void deleteWallet(WalletForm selectedWalletForm) {
         Optional<ButtonType> optButtonType = AppServices.showWarningDialog("Delete " + selectedWalletForm.getWallet().getMasterName() + "?", "The wallet file and any backups will be deleted. Are you sure?", ButtonType.NO, ButtonType.YES);
         if(optButtonType.isPresent() && optButtonType.get() == ButtonType.YES) {
@@ -1985,7 +2020,7 @@ public class AppController implements Initializable {
 
                         try {
                             tabs.getTabs().remove(tabs.getSelectionModel().getSelectedItem());
-                            deleteStorage(storage);
+                            deleteStorage(storage, true);
                         } finally {
                             encryptionFullKey.clear();
                             password.get().clear();
@@ -2007,15 +2042,15 @@ public class AppController implements Initializable {
                 }
             } else {
                 tabs.getTabs().remove(tabs.getSelectionModel().getSelectedItem());
-                deleteStorage(storage);
+                deleteStorage(storage, true);
             }
         }
     }
 
-    private void deleteStorage(Storage storage) {
+    private void deleteStorage(Storage storage, boolean deleteBackups) {
         if(storage.isClosed()) {
             Platform.runLater(() -> {
-                Storage.DeleteWalletService deleteWalletService = new Storage.DeleteWalletService(storage);
+                Storage.DeleteWalletService deleteWalletService = new Storage.DeleteWalletService(storage, deleteBackups);
                 deleteWalletService.setDelay(Duration.seconds(3));
                 deleteWalletService.setPeriod(Duration.hours(1));
                 deleteWalletService.setOnSucceeded(event -> {
@@ -2031,7 +2066,7 @@ public class AppController implements Initializable {
                 deleteWalletService.start();
             });
         } else {
-            Platform.runLater(() -> deleteStorage(storage));
+            Platform.runLater(() -> deleteStorage(storage, deleteBackups));
         }
     }
 

src/main/java/com/sparrowwallet/sparrow/control/WalletNameDialog.java

@@ -42,9 +42,13 @@ public class WalletNameDialog extends Dialog<WalletNameDialog.NameAndBirthDate>
     }
 
     public WalletNameDialog(String initialName, boolean hasExistingTransactions, Date startDate) {
+        this(initialName, hasExistingTransactions, startDate, false);
+    }
+
+    public WalletNameDialog(String initialName, boolean hasExistingTransactions, Date startDate, boolean rename) {
         final DialogPane dialogPane = getDialogPane();
         AppServices.setStageIcon(dialogPane.getScene().getWindow());
-        boolean requestBirthDate = (Config.get().getServerType() == null || Config.get().getServerType() == ServerType.BITCOIN_CORE);
+        boolean requestBirthDate = !rename && (Config.get().getServerType() == null || Config.get().getServerType() == ServerType.BITCOIN_CORE);
 
         setTitle("Wallet Name");
         dialogPane.setHeaderText("Enter a name for this wallet:");
@@ -121,16 +125,16 @@ public class WalletNameDialog extends Dialog<WalletNameDialog.NameAndBirthDate>
             ));
         });
 
-        final ButtonType okButtonType = new javafx.scene.control.ButtonType("Create Wallet", ButtonBar.ButtonData.OK_DONE);
+        final ButtonType okButtonType = new javafx.scene.control.ButtonType((rename ? "Rename" : "Create") + " Wallet", ButtonBar.ButtonData.OK_DONE);
         dialogPane.getButtonTypes().addAll(okButtonType);
         Button okButton = (Button) dialogPane.lookupButton(okButtonType);
         BooleanBinding isInvalid = Bindings.createBooleanBinding(() ->
-                name.getText().length() == 0 || Storage.walletExists(name.getText()) || (existingCheck.isSelected() && existingPicker.getValue() == null), name.textProperty(), existingCheck.selectedProperty(), existingPicker.valueProperty());
+                name.getText().trim().length() == 0 || Storage.walletExists(name.getText()) || (existingCheck.isSelected() && existingPicker.getValue() == null), name.textProperty(), existingCheck.selectedProperty(), existingPicker.valueProperty());
         okButton.disableProperty().bind(isInvalid);
 
         name.setPromptText("Wallet Name");
         Platform.runLater(name::requestFocus);
-        setResultConverter(dialogButton -> dialogButton == okButtonType ? new NameAndBirthDate(name.getText(), existingPicker.getValue()) : null);
+        setResultConverter(dialogButton -> dialogButton == okButtonType ? new NameAndBirthDate(name.getText().trim(), existingPicker.getValue()) : null);
     }
 
     public static class NameAndBirthDate {

src/main/java/com/sparrowwallet/sparrow/io/Sparrow.java

@@ -39,8 +39,10 @@ public class Sparrow implements WalletImport, WalletExport {
             Storage tempStorage = new Storage(persistence, tempFile);
             tempStorage.setKeyDeriver(storage.getKeyDeriver());
             tempStorage.setEncryptionPubKey(storage.getEncryptionPubKey());
-            tempStorage.saveWallet(exportedWallet);
+
-            for(Wallet childWallet : exportedWallet.getChildWallets()) {
+            Wallet copy = exportedWallet.copy();
+            tempStorage.saveWallet(copy);
+            for(Wallet childWallet : copy.getChildWallets()) {
                 tempStorage.saveWallet(childWallet);
             }
             persistence.close();

src/main/java/com/sparrowwallet/sparrow/io/Storage.java

@@ -265,8 +265,11 @@ public class Storage {
         persistence.copyWallet(walletFile, outputStream);
     }
 
-    public boolean delete() {
+    public boolean delete(boolean deleteBackups) {
+        if(deleteBackups) {
             deleteBackups();
+        }
+
         return IOUtils.secureDelete(walletFile);
     }
 
@@ -735,18 +738,44 @@ public class Storage {
         }
     }
 
+    public static class CopyWalletService extends Service<Void> {
+        private final Wallet wallet;
+        private final File newWalletFile;
+
+        public CopyWalletService(Wallet wallet, File newWalletFile) {
+            this.wallet = wallet;
+            this.newWalletFile = newWalletFile;
+        }
+
+        @Override
+        protected Task<Void> createTask() {
+            return new Task<>() {
+                protected Void call() throws IOException, ExportException {
+                    Sparrow export = new Sparrow();
+                    try(BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(newWalletFile))) {
+                        export.exportWallet(wallet, outputStream);
+                    }
+
+                    return null;
+                }
+            };
+        }
+    }
+
     public static class DeleteWalletService extends ScheduledService<Boolean> {
         private final Storage storage;
+        private final boolean deleteBackups;
 
-        public DeleteWalletService(Storage storage) {
+        public DeleteWalletService(Storage storage, boolean deleteBackups) {
             this.storage = storage;
+            this.deleteBackups = deleteBackups;
         }
 
         @Override
         protected Task<Boolean> createTask() {
             return new Task<>() {
                 protected Boolean call() {
-                    return storage.delete();
+                    return storage.delete(deleteBackups);
                 }
             };
         }

src/main/java/com/sparrowwallet/sparrow/io/db/DbPersistence.java

@@ -583,7 +583,7 @@ public class DbPersistence implements Persistence {
 
     @Override
     public boolean isClosed() {
-        return dataSource.isClosed();
+        return dataSource == null || dataSource.isClosed();
     }
 
     @Override

src/main/java/com/sparrowwallet/sparrow/io/db/MixConfigDao.java

@@ -21,6 +21,7 @@ public interface MixConfigDao {
 
     default void addMixConfig(Wallet wallet) {
         if(wallet.getMixConfig() != null) {
+            wallet.getMixConfig().setId(null);
             addOrUpdate(wallet, wallet.getMixConfig());
         }
     }

src/main/resources/com/sparrowwallet/sparrow/app.fxml

@@ -49,6 +49,7 @@
                         <SeparatorMenuItem styleClass="osxHide" />
                         <MenuItem styleClass="osxHide" mnemonicParsing="false" text="Preferences..." accelerator="Shortcut+P" onAction="#openPreferences"/>
                         <SeparatorMenuItem />
+                        <MenuItem fx:id="renameWallet" mnemonicParsing="false" text="Rename Wallet..." onAction="#renameWallet"/>
                         <MenuItem fx:id="deleteWallet" mnemonicParsing="false" text="Delete Wallet..." onAction="#deleteWallet"/>
                         <MenuItem fx:id="closeTab" mnemonicParsing="false" text="Close Tab" accelerator="Shortcut+W" onAction="#closeTab"/>
                         <MenuItem styleClass="osxHide" mnemonicParsing="false" text="Quit" accelerator="Shortcut+Q" onAction="#quit"/>