Initial commit

.gitignore

@@ -0,0 +1,7 @@
+.idea
+.gradle
+*iml
+build
+/*.properties
+out
+*.log

build.gradle

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+plugins {
+    id 'application'
+    id 'org.openjfx.javafxplugin' version '0.0.8'
+}
+
+group 'com.craigraw'
+version '1.0-SNAPSHOT'
+
+sourceCompatibility = 1.8
+
+repositories {
+    mavenCentral()
+}
+
+javafx {
+    version = "14"
+    modules = [ 'javafx.controls', 'javafx.fxml' ]
+}
+
+dependencies {
+    implementation project(':drongo')
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+}
+
+mainClassName = 'com.craigraw.sparrow.MainApp'

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

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+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

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+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

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+rootProject.name = 'sparrow'
+include 'drongo'
+

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

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+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 {
+
+        }
+    }
+}

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

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+
+<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" fx:controller="com.craigraw.sparrow.AppController" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1">
+   <children>
+      <MenuBar>
+        <menus>
+          <Menu mnemonicParsing="false" text="File">
+            <items>
+              <MenuItem text="_Open..." onAction="#open" />
+              <MenuItem mnemonicParsing="false" text="Close" />
+            </items>
+          </Menu>
+          <Menu mnemonicParsing="false" text="Edit">
+            <items>
+              <MenuItem mnemonicParsing="false" text="Delete" />
+            </items>
+          </Menu>
+          <Menu mnemonicParsing="false" text="Help">
+            <items>
+              <MenuItem mnemonicParsing="false" text="About" />
+            </items>
+          </Menu>
+        </menus>
+      </MenuBar>
+      <TabPane prefHeight="200.0" prefWidth="200.0" tabClosingPolicy="UNAVAILABLE" VBox.vgrow="ALWAYS" fx:id="tabs" />
+
+      <Label alignment="BOTTOM_LEFT" text="Label" />
+   </children>
+</VBox>

src/main/resources/com/craigraw/sparrow/transaction.fxml

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import java.lang.*?>
+<?import java.util.*?>
+<?import javafx.scene.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+
+<SplitPane dividerPositions="0.7" orientation="VERTICAL" prefHeight="200.0" prefWidth="160.0" VBox.vgrow="ALWAYS" fx:controller="com.craigraw.sparrow.TransactionController" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1">
+<items>
+    <SplitPane dividerPositions="0.4" prefHeight="160.0" prefWidth="200.0">
+        <items>
+            <TreeView prefHeight="154.0" prefWidth="174.0" fx:id="txtree" />
+            <ScrollPane fitToHeight="true" fitToWidth="true" prefHeight="200.0" prefWidth="200.0">
+                <content>
+                    <TableView prefHeight="200.0" prefWidth="200.0" fx:id="txnode">
+                        <columns>
+                            <TableColumn prefWidth="75.0" text="Name" />
+                            <TableColumn prefWidth="300.0" text="Value" />
+                        </columns>
+                    </TableView>
+                </content>
+            </ScrollPane>
+        </items>
+    </SplitPane>
+    <TextArea />
+</items>
+</SplitPane>