Initial commit

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

@@ -0,0 +1,64 @@
+package com.craigraw.sparrow;
+
+import com.craigraw.drongo.psbt.PSBT;
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.fxml.Initializable;
+import javafx.scene.Parent;
+import javafx.scene.control.Tab;
+import javafx.scene.control.TabPane;
+import javafx.stage.FileChooser;
+import javafx.stage.Stage;
+import org.bouncycastle.util.encoders.Hex;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.util.ResourceBundle;
+
+public class AppController implements Initializable {
+
+    @FXML
+    private TabPane tabs;
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+
+    }
+
+    public void open(ActionEvent event) {
+        Stage window = new Stage();
+
+        FileChooser fileChooser = new FileChooser();
+        File file = fileChooser.showOpenDialog(window);
+        if (file != null) {
+            System.out.println(file);
+            //openFile(file);
+
+            if(file.exists()) {
+                try {
+                    byte[] bytes = new byte[(int)file.length()];
+                    FileInputStream stream = new FileInputStream(file);
+                    stream.read(bytes);
+                    stream.close();
+
+                    if(PSBT.isPSBT(Hex.toHexString(bytes))) {
+                        PSBT psbt = new PSBT(bytes);
+
+                        Tab tab = new Tab(file.getName());
+                        FXMLLoader transactionLoader = new FXMLLoader(getClass().getResource("transaction.fxml"));
+                        tab.setContent(transactionLoader.load());
+                        TransactionController controller = transactionLoader.getController();
+                        controller.setPSBT(psbt);
+
+                        tabs.getTabs().add(tab);
+                    }
+                } catch(IOException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+        }
+    }
+}

src/main/java/com/craigraw/sparrow/MainApp.java

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+package com.craigraw.sparrow;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+public class MainApp extends Application {
+
+    @Override
+    public void start(Stage stage) throws Exception {
+        Parent root = FXMLLoader.load(getClass().getResource("app.fxml"));
+
+        Scene scene = new Scene(root);
+        scene.getStylesheets().add(getClass().getResource("app.css").toExternalForm());
+
+        stage.setTitle("Sparrow");
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}

src/main/java/com/craigraw/sparrow/TransactionController.java

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+package com.craigraw.sparrow;
+
+import com.craigraw.drongo.protocol.*;
+import com.craigraw.drongo.psbt.PSBT;
+import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.control.TreeCell;
+import javafx.scene.control.TreeItem;
+import javafx.scene.control.TreeView;
+import javafx.scene.control.cell.TextFieldTreeCell;
+import javafx.util.Callback;
+import javafx.util.StringConverter;
+
+import java.net.URL;
+import java.util.ResourceBundle;
+
+public class TransactionController implements Initializable {
+
+    @FXML
+    private TreeView<TransactionPart> txtree;
+
+    private Transaction transaction;
+    private PSBT psbt;
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+
+    }
+
+    private void initialiseTxTree() {
+        TreeItem<TransactionPart> rootItem = new TreeItem<>(transaction);
+        rootItem.setExpanded(true);
+
+        InputsPart inputsPart = new InputsPart();
+        TreeItem<TransactionPart> inputsItem = new TreeItem<TransactionPart>(inputsPart);
+        for(TransactionInput input : transaction.getInputs()) {
+            TreeItem<TransactionPart> inputItem = new TreeItem<>(input);
+            inputsItem.getChildren().add(inputItem);
+        }
+
+        OutputsPart outputsPart = new OutputsPart();
+        TreeItem<TransactionPart> outputsItem = new TreeItem<TransactionPart>(outputsPart);
+        for(TransactionOutput output : transaction.getOutputs()) {
+            TreeItem<TransactionPart> outputItem = new TreeItem<>(output);
+            outputsItem.getChildren().add(outputItem);
+        }
+
+        rootItem.getChildren().add(inputsItem);
+        rootItem.getChildren().add(outputsItem);
+        txtree.setRoot(rootItem);
+
+        txtree.setCellFactory(new Callback<TreeView<TransactionPart>, TreeCell<TransactionPart>>() {
+            @Override
+            public TreeCell<TransactionPart> call(TreeView<TransactionPart> p) {
+                return new TextFieldTreeCell<TransactionPart>(new StringConverter<TransactionPart>(){
+
+                    @Override
+                    public String toString(TransactionPart part) {
+                        if(part instanceof Transaction) {
+                            Transaction transaction = (Transaction)part;
+                            return "Tx " + transaction.getTxId().toString().substring(0, 6) + "...";
+                        } else if(part instanceof InputsPart) {
+                            return "Inputs";
+                        } else if(part instanceof OutputsPart) {
+                            return "Outputs";
+                        } else if(part instanceof TransactionInput) {
+                            TransactionInput input = (TransactionInput)part;
+                            return "Input #" + input.getIndex();
+                        } else if(part instanceof TransactionOutput) {
+                            TransactionOutput output = (TransactionOutput)part;
+                            return "Output #" + output.getIndex();
+                        }
+
+                        return part.toString();
+                    }
+
+                    @Override
+                    public TransactionPart fromString(String string) {
+                        throw new IllegalStateException("No fromString");
+                    }
+                });
+            }
+        });
+    }
+
+    public void setPSBT(PSBT psbt) {
+        this.psbt = psbt;
+        this.transaction = psbt.getTransaction();
+
+        initialiseTxTree();
+    }
+
+    private static class InputsPart extends TransactionPart {
+        public InputsPart() {
+            super(new byte[0], 0);
+        }
+
+        @Override
+        protected void parse() throws ProtocolException {
+
+        }
+    }
+
+    private static class OutputsPart extends TransactionPart {
+        public OutputsPart() {
+            super(new byte[0], 0);
+        }
+
+        @Override
+        protected void parse() throws ProtocolException {
+
+        }
+    }
+}