improve wallet descriptor and add output descriptor retrieval

drongo

@@ -1 +1 @@
-Subproject commit 08c159ebadee78af391e83d91b6a453a28acbf3e
+Subproject commit 488752c142765bacd0373390faccbdb11b47487a

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

@@ -1,6 +1,9 @@
 package com.sparrowwallet.sparrow;
 
+import com.sparrowwallet.drongo.policy.PolicyType;
 import com.sparrowwallet.drongo.protocol.ScriptChunk;
+import com.sparrowwallet.drongo.wallet.Keystore;
+import com.sparrowwallet.sparrow.control.DescriptorArea;
 import com.sparrowwallet.sparrow.control.ScriptArea;
 import javafx.geometry.Point2D;
 import javafx.scene.control.Label;
@@ -39,4 +42,42 @@ public abstract class BaseController {
     protected String describeScriptChunk(ScriptChunk chunk) {
         return chunk.toString();
     }
+
+    protected void initializeDescriptorField(DescriptorArea descriptorArea) {
+        Popup popup = new Popup();
+        Label popupMsg = new Label();
+        popupMsg.getStyleClass().add("tooltip");
+        popup.getContent().add(popupMsg);
+
+        descriptorArea.setMouseOverTextDelay(Duration.ofMillis(150));
+        descriptorArea.addEventHandler(MouseOverTextEvent.MOUSE_OVER_TEXT_BEGIN, e -> {
+            TwoDimensional.Position position = descriptorArea.getParagraph(0).getStyleSpans().offsetToPosition(e.getCharacterIndex(), Backward);
+            int index = descriptorArea.getWallet().getPolicyType() == PolicyType.SINGLE ? position.getMajor() - 1 : ((position.getMajor() - 1) / 2);
+            if(position.getMajor() > 0 && index >= 0 && index < descriptorArea.getWallet().getKeystores().size()) {
+                Keystore hoverKeystore = descriptorArea.getWallet().getKeystores().get(index);
+                Point2D pos = e.getScreenPosition();
+                popupMsg.setText(describeKeystore(hoverKeystore));
+                popup.show(descriptorArea, pos.getX(), pos.getY() + 10);
+            }
+        });
+        descriptorArea.addEventHandler(MouseOverTextEvent.MOUSE_OVER_TEXT_END, e -> {
+            popup.hide();
+        });
+    }
+
+    protected String describeKeystore(Keystore keystore) {
+        if(keystore.isValid()) {
+            StringBuilder builder = new StringBuilder();
+            builder.append("[");
+            builder.append(keystore.getKeyDerivation().getMasterFingerprint());
+            builder.append("/");
+            builder.append(keystore.getKeyDerivation().getDerivationPath().replaceFirst("^m?/", ""));
+            builder.append("]");
+            builder.append(keystore.getExtendedPublicKey().toString());
+
+            return builder.toString();
+        }
+
+        return "Invalid";
+    }
 }

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

@@ -0,0 +1,89 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.sparrowwallet.drongo.OutputDescriptor;
+import com.sparrowwallet.drongo.policy.PolicyType;
+import com.sparrowwallet.drongo.protocol.ScriptType;
+import com.sparrowwallet.drongo.wallet.Keystore;
+import com.sparrowwallet.drongo.wallet.Wallet;
+import javafx.scene.control.ContextMenu;
+import javafx.scene.control.MenuItem;
+import javafx.scene.input.Clipboard;
+import javafx.scene.input.ClipboardContent;
+import org.fxmisc.richtext.CodeArea;
+
+import java.util.List;
+
+import static com.sparrowwallet.drongo.policy.PolicyType.MULTI;
+import static com.sparrowwallet.drongo.policy.PolicyType.SINGLE;
+import static com.sparrowwallet.drongo.protocol.ScriptType.MULTISIG;
+
+public class DescriptorArea extends CodeArea {
+    private Wallet wallet;
+
+    public void setWallet(Wallet wallet) {
+        clear();
+        this.wallet = wallet;
+
+        DescriptorContextMenu contextMenu = new DescriptorContextMenu(wallet, this);
+        setContextMenu(contextMenu);
+
+        PolicyType policyType = wallet.getPolicyType();
+        ScriptType scriptType = wallet.getScriptType();
+        List<Keystore> keystores = wallet.getKeystores();
+        int threshold = wallet.getDefaultPolicy().getNumSignaturesRequired();
+
+        if(SINGLE.equals(policyType)) {
+            append(scriptType.getDescriptor(), "descriptor-text");
+            replace(getLength(), getLength(), keystores.get(0).getScriptName(), List.of(keystores.get(0).isValid() ? "descriptor-text" : "descriptor-error", keystores.get(0).getScriptName()));
+            append(scriptType.getCloseDescriptor(), "descriptor-text");
+        }
+
+        if(MULTI.equals(policyType)) {
+            append(scriptType.getDescriptor(), "descriptor-text");
+            append(MULTISIG.getDescriptor(), "descriptor-text");
+            append(Integer.toString(threshold), "descriptor-text");
+
+            for(Keystore keystore : keystores) {
+                append(",", "descriptor-text");
+                replace(getLength(), getLength(), keystore.getScriptName(), List.of(keystore.isValid() ? "descriptor-text" : "descriptor-error", keystore.getScriptName()));
+            }
+
+            append(MULTISIG.getCloseDescriptor(), "descriptor-text");
+            append(scriptType.getCloseDescriptor(), "descriptor-text");
+        }
+    }
+
+    public Wallet getWallet() {
+        return wallet;
+    }
+
+    public void clear() {
+        super.clear();
+        this.wallet = null;
+        setDisable(false);
+        setContextMenu(null);
+    }
+
+    private static class DescriptorContextMenu extends ContextMenu {
+        public DescriptorContextMenu(Wallet wallet, DescriptorArea descriptorArea) {
+            MenuItem copyvalue = new MenuItem("Copy Value");
+            copyvalue.setOnAction(AE -> {
+                hide();
+                ClipboardContent content = new ClipboardContent();
+                content.putString(descriptorArea.getText());
+                Clipboard.getSystemClipboard().setContent(content);
+            });
+            getItems().add(copyvalue);
+
+            MenuItem copyOutputDescriptor = new MenuItem("Copy Output Descriptor");
+            copyOutputDescriptor.setOnAction(AE -> {
+                hide();
+                ClipboardContent content = new ClipboardContent();
+                content.putString(OutputDescriptor.getOutputDescriptor(wallet).toString(true));
+                Clipboard.getSystemClipboard().setContent(content);
+            });
+            getItems().add(copyOutputDescriptor);
+            this.setStyle("-fx-background-color: -fx-color; -fx-font-family: System; -fx-font-size: 1em;");
+        }
+    }
+}

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

@@ -2,7 +2,6 @@ package com.sparrowwallet.sparrow.control;
 
 import com.sparrowwallet.drongo.protocol.Script;
 import com.sparrowwallet.drongo.protocol.ScriptChunk;
-import com.sparrowwallet.sparrow.transaction.ScriptContextMenu;
 import javafx.geometry.Pos;
 import org.controlsfx.control.decoration.Decorator;
 import org.controlsfx.control.decoration.GraphicDecoration;

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

@@ -1,4 +1,4 @@
-package com.sparrowwallet.sparrow.transaction;
+package com.sparrowwallet.sparrow.control;
 
 import com.sparrowwallet.drongo.protocol.Script;
 import com.sparrowwallet.drongo.protocol.ScriptChunk;
@@ -33,7 +33,7 @@ public class ScriptContextMenu extends ContextMenu {
         });
 
         getItems().add(copyvalue);
-        this.setStyle("-fx-background-color: -fx-color; -fx-font-family: sans-serif; -fx-font-size: 1em;");
+        this.setStyle("-fx-background-color: -fx-color; -fx-font-family: System; -fx-font-size: 1em;");
 
         area.addEventHandler(ContextMenuEvent.CONTEXT_MENU_REQUESTED, event -> {
             hoverChunk = null;

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

@@ -13,6 +13,7 @@ import com.sparrowwallet.drongo.wallet.WalletModel;
 import com.sparrowwallet.sparrow.AppController;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.control.CopyableLabel;
+import com.sparrowwallet.sparrow.control.DescriptorArea;
 import com.sparrowwallet.sparrow.control.WalletPasswordDialog;
 import com.sparrowwallet.sparrow.event.SettingsChangedEvent;
 import com.sparrowwallet.sparrow.event.StorageEvent;
@@ -46,7 +47,7 @@ public class SettingsController extends WalletFormController implements Initiali
     private ComboBox<PolicyType> policyType;
 
     @FXML
-    private TextField spendingMiniscript;
+    private DescriptorArea descriptor;
 
     @FXML
     private ComboBox<ScriptType> scriptType;
@@ -160,6 +161,8 @@ public class SettingsController extends WalletFormController implements Initiali
             }
         });
 
+        initializeDescriptorField(descriptor);
+
         revert.setOnAction(event -> {
             keystoreTabs.getTabs().removeAll(keystoreTabs.getTabs());
             totalKeystores.unbind();
@@ -224,6 +227,7 @@ public class SettingsController extends WalletFormController implements Initiali
             KeystoreController controller = keystoreLoader.getController();
             controller.setKeystore(getWalletForm(), keystore);
             tab.textProperty().bind(controller.getLabel().textProperty());
+            tab.setUserData(keystore);
 
             controller.getValidationSupport().validationResultProperty().addListener((o, oldValue, result) -> {
                 if(result.getErrors().isEmpty()) {
@@ -243,6 +247,19 @@ public class SettingsController extends WalletFormController implements Initiali
         }
     }
 
+    @Override
+    protected String describeKeystore(Keystore keystore) {
+        if(!keystore.isValid()) {
+            for(Tab tab : keystoreTabs.getTabs()) {
+                if(tab.getUserData() == keystore && tab.getTooltip() != null) {
+                    return tab.getTooltip().getText();
+                }
+            }
+        }
+
+        return super.describeKeystore(keystore);
+    }
+
     @Subscribe
     public void update(SettingsChangedEvent event) {
         Wallet wallet = event.getWallet();
@@ -253,7 +270,7 @@ public class SettingsController extends WalletFormController implements Initiali
                 wallet.setDefaultPolicy(Policy.getPolicy(wallet.getPolicyType(), wallet.getScriptType(), wallet.getKeystores(), (int)multisigControl.getLowValue()));
             }
 
-            spendingMiniscript.setText(wallet.getDefaultPolicy().getMiniscript().getScript());
+            descriptor.setWallet(wallet);
             revert.setDisable(false);
             apply.setDisable(!wallet.isValid());
         }

src/main/resources/com/sparrowwallet/sparrow/descriptor.css

@@ -0,0 +1,3 @@
+.descriptor-text { -fx-fill: #000000 }
+.descriptor-error { -fx-fill: #ca1243 }
+

src/main/resources/com/sparrowwallet/sparrow/wallet/settings.css

@@ -10,8 +10,4 @@
     -fx-alignment: center-left;
 }
 
-#spendingMiniscript {
-    -fx-font-size: 13px;
-    -fx-font-family: 'Roboto Mono';
-}
 

src/main/resources/com/sparrowwallet/sparrow/wallet/settings.fxml

@@ -9,8 +9,10 @@
 <?import com.sparrowwallet.sparrow.control.CopyableLabel?>
 <?import com.sparrowwallet.drongo.policy.PolicyType?>
 <?import com.sparrowwallet.drongo.protocol.ScriptType?>
+<?import com.sparrowwallet.sparrow.control.DescriptorArea?>
+<?import org.fxmisc.flowless.VirtualizedScrollPane?>
 
-<BorderPane stylesheets="@settings.css, @wallet.css, @../general.css" styleClass="wallet-pane" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.sparrowwallet.sparrow.wallet.SettingsController">
+<BorderPane stylesheets="@settings.css, @wallet.css, @../script.css, @../descriptor.css, @../general.css" styleClass="wallet-pane" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.sparrowwallet.sparrow.wallet.SettingsController">
     <center>
         <GridPane hgap="10.0" vgap="10.0">
             <padding>
@@ -59,7 +61,7 @@
             <Form GridPane.columnIndex="1" GridPane.rowIndex="0">
                 <Fieldset inputGrow="SOMETIMES" text="" fx:id="multisigFieldset">
                     <Field text="Cosigners:">
-                        <RangeSlider fx:id="multisigControl" showTickMarks="true" showTickLabels="true" blockIncrement="1" min="2" max="9" lowValue="2" highValue="3" snapToTicks="true" majorTickUnit="1" minorTickCount="0" />
+                        <RangeSlider fx:id="multisigControl" showTickMarks="true" showTickLabels="true" blockIncrement="1" min="1" max="9" highValue="3" lowValue="2" snapToTicks="true" majorTickUnit="1" minorTickCount="0" />
                     </Field>
                     <Field text="M of N:">
                         <CopyableLabel fx:id="multisigLowLabel" />
@@ -70,9 +72,13 @@
             </Form>
 
             <Form GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="1">
-                <Fieldset inputGrow="SOMETIMES" text="Spending Policy">
+                <Fieldset inputGrow="SOMETIMES" text="Script Policy">
-                    <Field text="Miniscript:">
+                    <Field text="Descriptor:">
-                        <TextField fx:id="spendingMiniscript" editable="false" />
+                        <VirtualizedScrollPane hbarPolicy="NEVER" vbarPolicy="NEVER">
+                            <content>
+                                <DescriptorArea fx:id="descriptor" editable="false" styleClass="uneditable-codearea" prefHeight="27" maxHeight="27" />
+                            </content>
+                        </VirtualizedScrollPane>
                     </Field>
                 </Fieldset>
             </Form>