v1.4.3

a textfield of mnemonic word entry

.github/workflows/package.yaml

@@ -12,16 +12,11 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: true
-      - name: Set up JDK 15.0.2
-        if: ${{ runner.os == 'Linux' }}
-        uses: joschi/setup-jdk@v2
+      - name: Set up JDK 16.0.1
+        uses: actions/setup-java@v2
         with:
-          java-version: 15
-      - name: Set up JDK 14.0.2
-        if: ${{ runner.os == 'Windows' }}
-        uses: actions/setup-java@v1
-        with:
-          java-version: 14.0.2
+          distribution: 'adopt'
+          java-version: '16.0.1'
       - name: Show Build Versions
         run: ./gradlew -v
       - name: Cache Gradle packages

build.gradle

@@ -1,11 +1,11 @@
 plugins {
     id 'application'
-    id 'org.openjfx.javafxplugin' version '0.0.9'
-    id 'org.kordamp.gradle.jdeps' version '0.9.0'
-    id 'org.beryx.jlink' version '2.22.0'
+    id 'extra-java-module-info'
+    id 'com.dua3.javafxgradle7plugin' version '0.0.9'
+    id 'org.beryx.jlink' version '2.24.0'
 }
 
-def sparrowVersion = '1.4.2'
+def sparrowVersion = '1.4.3'
 def os = org.gradle.internal.os.OperatingSystem.current()
 def osName = os.getFamilyName()
 if(os.macOsX) {
@@ -29,7 +29,7 @@ tasks.withType(AbstractArchiveTask) {
 }
 
 javafx {
-    version = "15"
+    version = "16"
     modules = [ 'javafx.controls', 'javafx.fxml', 'javafx.swing', 'javafx.graphics' ]
 }
 
@@ -53,19 +53,28 @@ dependencies {
     implementation('org.flywaydb:flyway-core:7.10.5-SNAPSHOT')
     implementation('org.fxmisc.richtext:richtextfx:0.10.4')
     implementation('no.tornado:tornadofx-controls:1.0.4')
-    implementation('com.google.zxing:javase:3.4.0')
-    implementation('com.github.arteam:simple-json-rpc-client:1.0')
+    implementation('com.google.zxing:javase:3.4.0') {
+        exclude group: 'com.beust', module: 'jcommander'
+    }
+    implementation('com.beust:jcommander:1.81')
+    implementation('com.github.arteam:simple-json-rpc-core:1.0')
+    implementation('com.github.arteam:simple-json-rpc-client:1.0') {
+        exclude group: 'com.github.arteam', module: 'simple-json-rpc-core'
+    }
     implementation('com.github.arteam:simple-json-rpc-server:1.0') {
         exclude group: 'org.slf4j'
     }
-    implementation('com.sparrowwallet:hummingbird:1.6.0')
+    implementation('com.sparrowwallet:hummingbird:1.6.1')
     implementation('com.nativelibs4java:bridj:0.7-20140918-3') {
         exclude group: 'com.google.android.tools', module: 'dx'
     }
     implementation('com.github.sarxos:webcam-capture:0.3.13-SNAPSHOT') {
         exclude group: 'com.nativelibs4java', module: 'bridj'
     }
-    implementation("com.sparrowwallet:netlayer-jpms-${osName}:0.6.8")
+    implementation("com.sparrowwallet:netlayer-jpms-${osName}:0.6.8") {
+        exclude group: 'org.jetbrains.kotlin'
+    }
+    implementation('org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.5.20')
     implementation('de.codecentric.centerdevice:centerdevice-nsmenufx:2.1.7')
     implementation('org.controlsfx:controlsfx:11.1.0' ) {
         exclude group: 'org.openjfx', module: 'javafx-base'
@@ -76,7 +85,7 @@ dependencies {
         exclude group: 'org.openjfx', module: 'javafx-web'
         exclude group: 'org.openjfx', module: 'javafx-media'
     }
-    implementation('dev.bwt:bwt-jni:0.1.7')
+    implementation('dev.bwt:bwt-jni:0.1.8')
     implementation('net.sourceforge.javacsv:javacsv:2.0')
     implementation('org.slf4j:jul-to-slf4j:1.7.30') {
         exclude group: 'org.slf4j'
@@ -84,7 +93,10 @@ dependencies {
     testImplementation('junit:junit:4.12')
 }
 
-mainClassName = 'com.sparrowwallet.sparrow/com.sparrowwallet.sparrow.MainApp'
+application {
+    mainModule = 'com.sparrowwallet.sparrow'
+    mainClass = 'com.sparrowwallet.sparrow.MainApp'
+}
 
 compileJava {
     options.with {
@@ -135,9 +147,9 @@ jlink {
         requires 'java.xml'
         requires 'java.logging'
         requires 'javafx.base'
-        requires 'com.fasterxml.jackson.databind'
         requires 'jdk.crypto.cryptoki'
         requires 'java.management'
+        requires 'io.leangen.geantyref'
         uses 'org.flywaydb.core.extensibility.FlywayExtension'
         uses 'org.flywaydb.core.internal.database.DatabaseType'
     }
@@ -154,17 +166,18 @@ jlink {
                    "--add-opens=javafx.controls/javafx.scene.control.cell=com.sparrowwallet.sparrow",
                    "--add-opens=org.controlsfx.controls/impl.org.controlsfx.skin=com.sparrowwallet.sparrow",
                    "--add-opens=org.controlsfx.controls/impl.org.controlsfx.skin=javafx.fxml",
-                   "--add-opens=javafx.graphics/com.sun.javafx.tk=com.sparrowwallet.merged.module",
-                   "--add-opens=javafx.graphics/com.sun.javafx.tk.quantum=com.sparrowwallet.merged.module",
-                   "--add-opens=javafx.graphics/com.sun.glass.ui=com.sparrowwallet.merged.module",
-                   "--add-opens=javafx.controls/com.sun.javafx.scene.control=com.sparrowwallet.merged.module",
-                   "--add-opens=javafx.graphics/com.sun.javafx.menu=com.sparrowwallet.merged.module",
+                   "--add-opens=javafx.graphics/com.sun.javafx.tk=centerdevice.nsmenufx",
+                   "--add-opens=javafx.graphics/com.sun.javafx.tk.quantum=centerdevice.nsmenufx",
+                   "--add-opens=javafx.graphics/com.sun.glass.ui=centerdevice.nsmenufx",
+                   "--add-opens=javafx.controls/com.sun.javafx.scene.control=centerdevice.nsmenufx",
+                   "--add-opens=javafx.graphics/com.sun.javafx.menu=centerdevice.nsmenufx",
                    "--add-opens=javafx.graphics/com.sun.glass.ui=com.sparrowwallet.sparrow",
                    "--add-opens=javafx.graphics/com.sun.javafx.application=com.sparrowwallet.sparrow",
                    "--add-opens=java.base/java.net=com.sparrowwallet.sparrow",
                    "--add-reads=com.sparrowwallet.merged.module=java.desktop",
                    "--add-reads=com.sparrowwallet.merged.module=java.sql",
-                   "--add-reads=com.sparrowwallet.merged.module=com.sparrowwallet.sparrow"]
+                   "--add-reads=com.sparrowwallet.merged.module=com.sparrowwallet.sparrow",
+                   "--add-reads=com.sparrowwallet.merged.module=logback.classic"]
 
         if(os.macOsX) {
             jvmArgs += "--add-opens=javafx.graphics/com.sun.glass.ui.mac=com.sparrowwallet.merged.module"
@@ -216,3 +229,197 @@ task packageTarDistribution(type: Tar) {
         include "Sparrow/**"
     }
 }
+
+extraJavaModuleInfo {
+    module('tornadofx-controls-1.0.4.jar', 'tornadofx.controls', '1.0.4') {
+        exports('tornadofx.control')
+        requires('javafx.controls')
+    }
+    module('simple-json-rpc-core-1.0.jar', 'simple.json.rpc.core', '1.0') {
+        exports('com.github.arteam.simplejsonrpc.core.annotation')
+        exports('com.github.arteam.simplejsonrpc.core.domain')
+        requires('com.fasterxml.jackson.core')
+        requires('com.fasterxml.jackson.annotation')
+        requires('com.fasterxml.jackson.databind')
+        requires('org.jetbrains.annotations')
+    }
+    module('simple-json-rpc-client-1.0.jar', 'simple.json.rpc.client', '1.0') {
+        exports('com.github.arteam.simplejsonrpc.client')
+        exports('com.github.arteam.simplejsonrpc.client.builder')
+        exports('com.github.arteam.simplejsonrpc.client.exception')
+        requires('com.fasterxml.jackson.databind')
+        requires('simple.json.rpc.core')
+    }
+    module('simple-json-rpc-server-1.0.jar', 'simple.json.rpc.server', '1.0') {
+        exports('com.github.arteam.simplejsonrpc.server')
+        requires('simple.json.rpc.core')
+        requires('com.google.common')
+        requires('org.slf4j')
+        requires('com.fasterxml.jackson.databind')
+    }
+    module('bridj-0.7-20140918-3.jar', 'com.nativelibs4java.bridj', '0.7-20140918-3') {
+        exports('org.bridj')
+        exports('org.bridj.cpp')
+        requires('java.logging')
+    }
+    module('webcam-capture-0.3.13-SNAPSHOT.jar', 'com.github.sarxos.webcam.capture', '0.3.13-SNAPSHOT') {
+        exports('com.github.sarxos.webcam')
+        exports('com.github.sarxos.webcam.ds.buildin')
+        exports('com.github.sarxos.webcam.ds.buildin.natives')
+        requires('java.desktop')
+        requires('com.nativelibs4java.bridj')
+        requires('org.slf4j')
+    }
+    module('centerdevice-nsmenufx-2.1.7.jar', 'centerdevice.nsmenufx', '2.1.7') {
+        exports('de.codecentric.centerdevice')
+        requires('javafx.base')
+        requires('javafx.controls')
+        requires('javafx.graphics')
+    }
+    module('javacsv-2.0.jar', 'net.sourceforge.javacsv', '2.0') {
+        exports('com.csvreader')
+    }
+    module('jul-to-slf4j-1.7.30.jar', 'org.slf4j.jul.to.slf4j', '1.7.30') {
+        exports('org.slf4j.bridge')
+        requires('java.logging')
+        requires('org.slf4j')
+    }
+    module('jeromq-0.5.0.jar', 'jeromq', '0.5.0') {
+        exports('org.zeromq')
+    }
+    module('json-simple-1.1.1.jar', 'json.simple', '1.1.1') {
+        exports('org.json.simple')
+    }
+    module('logback-classic-1.2.3.jar', 'logback.classic', '1.2.3') {
+        exports('ch.qos.logback.classic')
+        requires('org.slf4j')
+        requires('logback.core')
+        requires('java.xml')
+        requires('java.logging')
+    }
+    module('kotlin-logging-1.5.4.jar', 'io.github.microutils.kotlin.logging', '1.5.4') {
+        exports('mu')
+        requires('kotlin.stdlib')
+        requires('org.slf4j')
+    }
+    module('failureaccess-1.0.1.jar', 'failureaccess', '1.0.1') {
+        exports('com.google.common.util.concurrent.internal')
+    }
+    module('listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar', 'com.google.guava.listenablefuture', '9999.0-empty-to-avoid-conflict-with-guava')
+    module('guava-28.2-jre.jar', 'com.google.common', '28.2-jre') {
+        exports('com.google.common.eventbus')
+        exports('com.google.common.net')
+        exports('com.google.common.base')
+        exports('com.google.common.collect')
+        exports('com.google.common.io')
+        requires('failureaccess')
+        requires('java.logging')
+    }
+    module('jsr305-3.0.2.jar', 'com.google.code.findbugs.jsr305', '3.0.2')
+    module('j2objc-annotations-1.3.jar', 'com.google.j2objc.j2objc.annotations', '1.3')
+    module('jdbi3-core-3.20.0.jar', 'org.jdbi.v3.core', '3.20.0') {
+        exports('org.jdbi.v3.core')
+        exports('org.jdbi.v3.core.mapper')
+        exports('org.jdbi.v3.core.statement')
+        exports('org.jdbi.v3.core.result')
+        exports('org.jdbi.v3.core.h2')
+        exports('org.jdbi.v3.core.spi')
+        requires('io.leangen.geantyref')
+        requires('java.sql')
+        requires('org.slf4j')
+    }
+    module('geantyref-1.3.11.jar', 'io.leangen.geantyref', '1.3.11') {
+        exports('io.leangen.geantyref')
+    }
+    module('richtextfx-0.10.4.jar', 'org.fxmisc.richtext', '0.10.4') {
+        exports('org.fxmisc.richtext')
+        exports('org.fxmisc.richtext.event')
+        exports('org.fxmisc.richtext.model')
+        requires('javafx.base')
+        requires('javafx.controls')
+        requires('javafx.graphics')
+        requires('org.fxmisc.flowless')
+        requires('org.reactfx.reactfx')
+        requires('org.fxmisc.undo.undofx')
+        requires('org.fxmisc.wellbehaved')
+    }
+    module('undofx-2.1.0.jar', 'org.fxmisc.undo.undofx', '2.1.0') {
+        requires('javafx.base')
+        requires('javafx.controls')
+        requires('javafx.graphics')
+        requires('org.reactfx.reactfx')
+    }
+    module('flowless-0.6.1.jar', 'org.fxmisc.flowless', '0.6.1') {
+        exports('org.fxmisc.flowless')
+        requires('javafx.base')
+        requires('javafx.controls')
+        requires('javafx.graphics')
+        requires('org.reactfx.reactfx')
+    }
+    module('reactfx-2.0-M5.jar', 'org.reactfx.reactfx', '2.0-M5') {
+        exports('org.reactfx')
+        exports('org.reactfx.value')
+        exports('org.reactfx.collection')
+        exports('org.reactfx.util')
+        requires('javafx.base')
+        requires('javafx.graphics')
+        requires('javafx.controls')
+    }
+    module('wellbehavedfx-0.3.3.jar', 'org.fxmisc.wellbehaved', '0.3.3') {
+        requires('javafx.base')
+        requires('javafx.graphics')
+    }
+    module('jai-imageio-core-1.4.0.jar', 'com.github.jai.imageio.jai.imageio.core', '1.4.0')
+    module('kotlin-stdlib-jdk8-1.5.20.jar', 'org.jetbrains.kotlin.kotlin.stdlib.jdk8', '1.5.20')
+    module('kotlin-stdlib-jdk7-1.5.20.jar', 'org.jetbrains.kotlin.kotlin.stdlib.jdk7', '1.5.20')
+    module('kotlin-stdlib-1.5.20.jar', 'kotlin.stdlib', '1.5.20') {
+        exports('kotlin')
+    }
+    module('hummingbird-1.6.1.jar', 'com.sparrowwallet.hummingbird', '1.6.1') {
+        exports('com.sparrowwallet.hummingbird')
+        exports('com.sparrowwallet.hummingbird.registry')
+        requires('co.nstant.in.cbor')
+    }
+    module('cbor-0.9.jar', 'co.nstant.in.cbor', '0.9') {
+        exports('co.nstant.in.cbor')
+    }
+    module("netlayer-jpms-${osName}-0.6.8.jar", 'netlayer.jpms', '0.6.8') {
+        exports('org.berndpruenster.netlayer.tor')
+        requires('com.github.ravn.jsocks')
+        requires('com.github.JesusMcCloud.jtorctl')
+        requires('kotlin.stdlib')
+        requires('commons.compress')
+        requires('org.tukaani.xz')
+        requires('java.management')
+        requires('io.github.microutils.kotlin.logging')
+    }
+    module('jtorctl-1.5.jar', 'com.github.JesusMcCloud.jtorctl', '1.5') {
+        exports('net.freehaven.tor.control')
+    }
+    module('commons-compress-1.18.jar', 'commons.compress', '1.18') {
+        exports('org.apache.commons.compress')
+        requires('org.tukaani.xz')
+    }
+    module('xz-1.6.jar', 'org.tukaani.xz', '1.6') {
+        exports('org.tukaani.xz')
+    }
+    module('jsocks-1.0.jar', 'com.github.ravn.jsocks', '1.0') {
+        exports('com.runjva.sourceforge.jsocks.protocol')
+        requires('org.slf4j')
+    }
+    module('jnacl-1.0.0.jar', 'eu.neilalexander.jnacl', '1.0.0')
+    module('logback-core-1.2.3.jar', 'logback.core', '1.2.3') {
+        requires('java.xml')
+    }
+    module('kotlin-stdlib-common-1.5.20.jar', 'org.jetbrains.kotlin.kotlin.stdlib.common', '1.5.20') {
+        exports('kotlin.jvm')
+        exports('kotlin.collections')
+    }
+    module('jcommander-1.81.jar', 'com.beust.jcommander', '1.81') {
+        exports('com.beust.jcommander')
+    }
+    module('junit-4.12.jar', 'junit', '4.12') {
+        exports('org.junit')
+    }
+    module('hamcrest-core-1.3.jar', 'org.hamcrest.core', '1.3')
+}

buildSrc/build.gradle

@@ -0,0 +1,21 @@
+plugins {
+    id 'java-gradle-plugin' // so we can assign and ID to our plugin
+}
+
+dependencies {
+    implementation 'org.ow2.asm:asm:8.0.1'
+}
+
+repositories {
+    mavenCentral()
+}
+
+gradlePlugin {
+    plugins {
+        // here we register our plugin with an ID
+        register("extra-java-module-info") {
+            id = "extra-java-module-info"
+            implementationClass = "org.gradle.sample.transform.javamodules.ExtraModuleInfoPlugin"
+        }
+    }
+}

buildSrc/src/main/java/org/gradle/sample/transform/javamodules/ExtraModuleInfoPlugin.java

@@ -0,0 +1,54 @@
+package org.gradle.sample.transform.javamodules;
+
+import org.gradle.api.Plugin;
+import org.gradle.api.Project;
+import org.gradle.api.artifacts.Configuration;
+import org.gradle.api.attributes.Attribute;
+import org.gradle.api.plugins.JavaPlugin;
+
+/**
+ * Entry point of our plugin that should be applied in the root project.
+ */
+public class ExtraModuleInfoPlugin implements Plugin<Project> {
+
+    @Override
+    public void apply(Project project) {
+        // register the plugin extension as 'extraJavaModuleInfo {}' configuration block
+        ExtraModuleInfoPluginExtension extension = project.getObjects().newInstance(ExtraModuleInfoPluginExtension.class);
+        project.getExtensions().add(ExtraModuleInfoPluginExtension.class, "extraJavaModuleInfo", extension);
+
+        // setup the transform for all projects in the build
+        project.getPlugins().withType(JavaPlugin.class).configureEach(javaPlugin -> configureTransform(project, extension));
+    }
+
+    private void configureTransform(Project project, ExtraModuleInfoPluginExtension extension) {
+        Attribute<String> artifactType = Attribute.of("artifactType", String.class);
+        Attribute<Boolean> javaModule = Attribute.of("javaModule", Boolean.class);
+
+        // compile and runtime classpath express that they only accept modules by requesting the javaModule=true attribute
+        project.getConfigurations().matching(this::isResolvingJavaPluginConfiguration).all(
+                c -> c.getAttributes().attribute(javaModule, true));
+
+        // all Jars have a javaModule=false attribute by default; the transform also recognizes modules and returns them without modification
+        project.getDependencies().getArtifactTypes().getByName("jar").getAttributes().attribute(javaModule, false);
+
+        // register the transform for Jars and "javaModule=false -> javaModule=true"; the plugin extension object fills the input parameter
+        project.getDependencies().registerTransform(ExtraModuleInfoTransform.class, t -> {
+            t.parameters(p -> {
+                p.setModuleInfo(extension.getModuleInfo());
+                p.setAutomaticModules(extension.getAutomaticModules());
+            });
+            t.getFrom().attribute(artifactType, "jar").attribute(javaModule, false);
+            t.getTo().attribute(artifactType, "jar").attribute(javaModule, true);
+        });
+    }
+
+    private boolean isResolvingJavaPluginConfiguration(Configuration configuration) {
+        if (!configuration.isCanBeResolved()) {
+            return false;
+        }
+        return configuration.getName().endsWith(JavaPlugin.COMPILE_CLASSPATH_CONFIGURATION_NAME.substring(1))
+                || configuration.getName().endsWith(JavaPlugin.RUNTIME_CLASSPATH_CONFIGURATION_NAME.substring(1))
+                || configuration.getName().endsWith(JavaPlugin.ANNOTATION_PROCESSOR_CONFIGURATION_NAME.substring(1));
+    }
+}

buildSrc/src/main/java/org/gradle/sample/transform/javamodules/ExtraModuleInfoPluginExtension.java

@@ -0,0 +1,52 @@
+package org.gradle.sample.transform.javamodules;
+
+
+import org.gradle.api.Action;
+
+import javax.annotation.Nullable;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * A data class to collect all the module information we want to add.
+ * Here the class is used as extension that can be configured in the build script
+ * and as input to the ExtraModuleInfoTransform that add the information to Jars.
+ */
+public class ExtraModuleInfoPluginExtension {
+
+    private final Map<String, ModuleInfo> moduleInfo = new HashMap<>();
+    private final Map<String, String> automaticModules = new HashMap<>();
+
+    /**
+     * Add full module information for a given Jar file.
+     */
+    public void module(String jarName, String moduleName, String moduleVersion) {
+        module(jarName, moduleName, moduleVersion, null);
+    }
+
+    /**
+     * Add full module information, including exported packages and dependencies, for a given Jar file.
+     */
+    public void module(String jarName, String moduleName, String moduleVersion, @Nullable Action<? super ModuleInfo> conf) {
+        ModuleInfo moduleInfo = new ModuleInfo(moduleName, moduleVersion);
+        if (conf != null) {
+            conf.execute(moduleInfo);
+        }
+        this.moduleInfo.put(jarName, moduleInfo);
+    }
+
+    /**
+     * Add only an automatic module name to a given jar file.
+     */
+    public void automaticModule(String jarName, String moduleName) {
+        automaticModules.put(jarName, moduleName);
+    }
+
+    protected Map<String, ModuleInfo> getModuleInfo() {
+        return moduleInfo;
+    }
+
+    protected Map<String, String> getAutomaticModules() {
+        return automaticModules;
+    }
+}

buildSrc/src/main/java/org/gradle/sample/transform/javamodules/ExtraModuleInfoTransform.java

@@ -0,0 +1,164 @@
+package org.gradle.sample.transform.javamodules;
+
+import org.gradle.api.artifacts.transform.InputArtifact;
+import org.gradle.api.artifacts.transform.TransformAction;
+import org.gradle.api.artifacts.transform.TransformOutputs;
+import org.gradle.api.artifacts.transform.TransformParameters;
+import org.gradle.api.file.FileSystemLocation;
+import org.gradle.api.provider.Provider;
+import org.gradle.api.tasks.Input;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.ModuleVisitor;
+import org.objectweb.asm.Opcodes;
+
+import java.io.*;
+import java.util.Collections;
+import java.util.Map;
+import java.util.jar.*;
+import java.util.regex.Pattern;
+import java.util.zip.ZipEntry;
+
+/**
+ * An artifact transform that applies additional information to Jars without module information.
+ * The transformation fails the build if a Jar does not contain information and no extra information
+ * was defined for it. This way we make sure that all Jars are turned into modules.
+ */
+abstract public class ExtraModuleInfoTransform implements TransformAction<ExtraModuleInfoTransform.Parameter> {
+
+    public static class Parameter implements TransformParameters, Serializable {
+        private Map<String, ModuleInfo> moduleInfo = Collections.emptyMap();
+        private Map<String, String> automaticModules = Collections.emptyMap();
+
+        @Input
+        public Map<String, ModuleInfo> getModuleInfo() {
+            return moduleInfo;
+        }
+
+        @Input
+        public Map<String, String> getAutomaticModules() {
+            return automaticModules;
+        }
+
+        public void setModuleInfo(Map<String, ModuleInfo> moduleInfo) {
+            this.moduleInfo = moduleInfo;
+        }
+
+        public void setAutomaticModules(Map<String, String> automaticModules) {
+            this.automaticModules = automaticModules;
+        }
+    }
+
+    @InputArtifact
+    protected abstract Provider<FileSystemLocation> getInputArtifact();
+
+    @Override
+    public void transform(TransformOutputs outputs) {
+        Map<String, ModuleInfo> moduleInfo = getParameters().moduleInfo;
+        Map<String, String> automaticModules = getParameters().automaticModules;
+        File originalJar = getInputArtifact().get().getAsFile();
+        String originalJarName = originalJar.getName();
+
+        if (isModule(originalJar)) {
+            outputs.file(originalJar);
+        } else if (moduleInfo.containsKey(originalJarName)) {
+            addModuleDescriptor(originalJar, getModuleJar(outputs, originalJar), moduleInfo.get(originalJarName));
+        } else if (isAutoModule(originalJar)) {
+            outputs.file(originalJar);
+        } else if (automaticModules.containsKey(originalJarName)) {
+            addAutomaticModuleName(originalJar,  getModuleJar(outputs, originalJar), automaticModules.get(originalJarName));
+        } else {
+            throw new RuntimeException("Not a module and no mapping defined: " + originalJarName);
+        }
+    }
+
+    private boolean isModule(File jar) {
+        Pattern moduleInfoClassMrjarPath = Pattern.compile("META-INF/versions/\\d+/module-info.class");
+        try (JarInputStream inputStream =  new JarInputStream(new FileInputStream(jar))) {
+            boolean isMultiReleaseJar = containsMultiReleaseJarEntry(inputStream);
+            ZipEntry next = inputStream.getNextEntry();
+            while (next != null) {
+                if ("module-info.class".equals(next.getName())) {
+                    return true;
+                }
+                if (isMultiReleaseJar && moduleInfoClassMrjarPath.matcher(next.getName()).matches()) {
+                    return true;
+                }
+                next = inputStream.getNextEntry();
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        return false;
+    }
+
+    private boolean containsMultiReleaseJarEntry(JarInputStream jarStream) {
+        Manifest manifest = jarStream.getManifest();
+        return manifest != null && Boolean.parseBoolean(manifest.getMainAttributes().getValue("Multi-Release"));
+    }
+
+    private boolean isAutoModule(File jar) {
+        try (JarInputStream inputStream = new JarInputStream(new FileInputStream(jar))) {
+            return inputStream.getManifest().getMainAttributes().getValue("Automatic-Module-Name") != null;
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private File getModuleJar(TransformOutputs outputs, File originalJar) {
+        return outputs.file(originalJar.getName().substring(0, originalJar.getName().lastIndexOf('.')) + "-module.jar");
+    }
+
+    private static void addAutomaticModuleName(File originalJar, File moduleJar, String moduleName) {
+        try (JarInputStream inputStream = new JarInputStream(new FileInputStream(originalJar))) {
+            Manifest manifest = inputStream.getManifest();
+            manifest.getMainAttributes().put(new Attributes.Name("Automatic-Module-Name"), moduleName);
+            try (JarOutputStream outputStream = new JarOutputStream(new FileOutputStream(moduleJar), inputStream.getManifest())) {
+                copyEntries(inputStream, outputStream);
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static void addModuleDescriptor(File originalJar, File moduleJar, ModuleInfo moduleInfo) {
+        try (JarInputStream inputStream = new JarInputStream(new FileInputStream(originalJar))) {
+            try (JarOutputStream outputStream = new JarOutputStream(new FileOutputStream(moduleJar), inputStream.getManifest())) {
+                copyEntries(inputStream, outputStream);
+                outputStream.putNextEntry(new JarEntry("module-info.class"));
+                outputStream.write(addModuleInfo(moduleInfo));
+                outputStream.closeEntry();
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static void copyEntries(JarInputStream inputStream, JarOutputStream outputStream) throws IOException {
+        JarEntry jarEntry = inputStream.getNextJarEntry();
+        while (jarEntry != null) {
+            outputStream.putNextEntry(jarEntry);
+            outputStream.write(inputStream.readAllBytes());
+            outputStream.closeEntry();
+            jarEntry = inputStream.getNextJarEntry();
+        }
+    }
+
+    private static byte[] addModuleInfo(ModuleInfo moduleInfo) {
+        ClassWriter classWriter = new ClassWriter(0);
+        classWriter.visit(Opcodes.V9, Opcodes.ACC_MODULE, "module-info", null, null, null);
+        ModuleVisitor moduleVisitor = classWriter.visitModule(moduleInfo.getModuleName(), Opcodes.ACC_OPEN, moduleInfo.getModuleVersion());
+        for (String packageName : moduleInfo.getExports()) {
+            moduleVisitor.visitExport(packageName.replace('.', '/'), 0);
+        }
+        moduleVisitor.visitRequire("java.base", 0, null);
+        for (String requireName : moduleInfo.getRequires()) {
+            moduleVisitor.visitRequire(requireName, 0, null);
+        }
+        for (String requireName : moduleInfo.getRequiresTransitive()) {
+            moduleVisitor.visitRequire(requireName, Opcodes.ACC_TRANSITIVE, null);
+        }
+        moduleVisitor.visitEnd();
+        classWriter.visitEnd();
+        return classWriter.toByteArray();
+    }
+}

buildSrc/src/main/java/org/gradle/sample/transform/javamodules/ModuleInfo.java

@@ -0,0 +1,53 @@
+package org.gradle.sample.transform.javamodules;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Data class to hold the information that should be added as module-info.class to an existing Jar file.
+ */
+public class ModuleInfo implements Serializable {
+    private String moduleName;
+    private String moduleVersion;
+    private List<String> exports = new ArrayList<>();
+    private List<String> requires = new ArrayList<>();
+    private List<String> requiresTransitive = new ArrayList<>();
+
+    ModuleInfo(String moduleName, String moduleVersion) {
+        this.moduleName = moduleName;
+        this.moduleVersion = moduleVersion;
+    }
+
+    public void exports(String exports) {
+        this.exports.add(exports);
+    }
+
+    public void requires(String requires) {
+        this.requires.add(requires);
+    }
+
+    public void requiresTransitive(String requiresTransitive) {
+        this.requiresTransitive.add(requiresTransitive);
+    }
+
+    public String getModuleName() {
+        return moduleName;
+    }
+
+    protected String getModuleVersion() {
+        return moduleVersion;
+    }
+
+    protected List<String> getExports() {
+        return exports;
+    }
+
+    protected List<String> getRequires() {
+        return requires;
+    }
+
+    protected List<String> getRequiresTransitive() {
+        return requiresTransitive;
+    }
+}

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -82,6 +82,7 @@ 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
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; 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

gradlew.bat

@@ -40,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
+if "%ERRORLEVEL%" == "0" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -54,7 +54,7 @@ goto fail
 set JAVA_HOME=%JAVA_HOME:"=%
 set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
-if exist "%JAVA_EXE%" goto init
+if exist "%JAVA_EXE%" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
@@ -64,28 +64,14 @@ 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%
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
 
 :end
 @rem End local scope for the variables with windows NT shell

src/main/deploy/package/osx/Info.plist

@@ -21,7 +21,7 @@
   <key>CFBundlePackageType</key>
   <string>APPL</string>
   <key>CFBundleShortVersionString</key>
-  <string>1.4.2</string>
+  <string>1.4.3</string>
   <key>CFBundleSignature</key>
   <string>????</string>
   <!-- See https://developer.apple.com/app-store/categories/ for list of AppStore categories -->

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

@@ -3,10 +3,7 @@ package com.sparrowwallet.sparrow;
 import com.google.common.base.Charsets;
 import com.google.common.eventbus.Subscribe;
 import com.google.common.io.ByteSource;
-import com.sparrowwallet.drongo.BitcoinUnit;
-import com.sparrowwallet.drongo.Network;
-import com.sparrowwallet.drongo.SecureString;
-import com.sparrowwallet.drongo.Utils;
+import com.sparrowwallet.drongo.*;
 import com.sparrowwallet.drongo.crypto.ECKey;
 import com.sparrowwallet.drongo.crypto.EncryptionType;
 import com.sparrowwallet.drongo.crypto.InvalidPasswordException;
@@ -801,7 +798,10 @@ public class AppController implements Initializable {
         } catch(StorageException e) {
             showErrorDialog("Error Opening Wallet", e.getMessage());
         } catch(Exception e) {
-            if(!attemptImportWallet(file, null)) {
+            if(e instanceof IOException && e.getMessage().startsWith("The process cannot access the file because another process has locked")) {
+                log.error("Error opening wallet", e);
+                showErrorDialog("Error Opening Wallet", "The wallet file is locked. Is another instance of " + MainApp.APP_NAME + " already running?");
+            } else if(!attemptImportWallet(file, null)) {
                 log.error("Error opening wallet", e);
                 showErrorDialog("Error Opening Wallet", e.getMessage() == null ? "Unsupported file format" : e.getMessage());
             }
@@ -897,7 +897,8 @@ public class AppController implements Initializable {
                 new SpecterDesktop(),
                 new CoboVaultSinglesig(), new CoboVaultMultisig(),
                 new PassportSinglesig(),
-                new KeystoneSinglesig(), new KeystoneMultisig());
+                new KeystoneSinglesig(), new KeystoneMultisig(),
+                new CaravanMultisig());
         for(WalletImport importer : walletImporters) {
             try(FileInputStream inputStream = new FileInputStream(file)) {
                 if(importer.isEncrypted(file) && password == null) {

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

@@ -31,7 +31,7 @@ import java.util.stream.Collectors;
 public class MainApp extends Application {
     public static final String APP_ID = "com.sparrowwallet.sparrow";
     public static final String APP_NAME = "Sparrow";
-    public static final String APP_VERSION = "1.4.2";
+    public static final String APP_VERSION = "1.4.3";
     public static final String APP_VERSION_SUFFIX = "";
     public static final String APP_HOME_PROPERTY = "sparrow.home";
     public static final String NETWORK_ENV_PROPERTY = "SPARROW_NETWORK";

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

@@ -546,7 +546,7 @@ public class DevicePane extends TitledDescriptionPane {
                 keystore.setExtendedPublicKey(ExtendedKey.fromDescriptor(xpub));
 
                 if(wallet.getScriptType() == null) {
-                    ScriptType scriptType = Arrays.stream(ScriptType.SINGLE_HASH_TYPES).filter(type -> type.getDefaultDerivation().get(0).equals(derivation.get(0))).findFirst().orElse(ScriptType.P2PKH);
+                    ScriptType scriptType = Arrays.stream(ScriptType.ADDRESSABLE_TYPES).filter(type -> type.getDefaultDerivation().get(0).equals(derivation.get(0))).findFirst().orElse(ScriptType.P2PKH);
                     wallet.setName(device.getModel().toDisplayString());
                     wallet.setPolicyType(PolicyType.SINGLE);
                     wallet.setScriptType(scriptType);

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

@@ -3,6 +3,7 @@ package com.sparrowwallet.sparrow.control;
 import com.sparrowwallet.drongo.KeyPurpose;
 import com.sparrowwallet.drongo.Utils;
 import com.sparrowwallet.drongo.address.Address;
+import com.sparrowwallet.drongo.protocol.ScriptType;
 import com.sparrowwallet.drongo.protocol.Transaction;
 import com.sparrowwallet.drongo.protocol.TransactionInput;
 import com.sparrowwallet.drongo.protocol.TransactionOutput;
@@ -118,8 +119,7 @@ public class EntryCell extends TreeTableCell<Entry, Entry> {
                 });
                 actionBox.getChildren().add(receiveButton);
 
-                if(nodeEntry.getWallet().getKeystores().size() == 1 &&
-                        (nodeEntry.getWallet().getKeystores().get(0).hasPrivateKey() || nodeEntry.getWallet().getKeystores().get(0).getSource() == KeystoreSource.HW_USB)) {
+                if(canSignMessage(nodeEntry.getWallet())) {
                     Button signMessageButton = new Button("");
                     signMessageButton.setGraphic(getSignMessageGlyph());
                     signMessageButton.setOnAction(event -> {
@@ -127,7 +127,6 @@ public class EntryCell extends TreeTableCell<Entry, Entry> {
                         messageSignDialog.showAndWait();
                     });
                     actionBox.getChildren().add(signMessageButton);
-                    setContextMenu(new AddressContextMenu(address, nodeEntry.getOutputDescriptor(), nodeEntry));
                 }
 
                 setGraphic(actionBox);
@@ -268,6 +267,11 @@ public class EntryCell extends TreeTableCell<Entry, Entry> {
         Platform.runLater(() -> EventManager.get().post(new SpendUtxoEvent(transactionEntry.getWallet(), List.of(utxo), List.of(payment), blockTransaction.getFee(), false)));
     }
 
+    private static boolean canSignMessage(Wallet wallet) {
+        return wallet.getKeystores().size() == 1 && wallet.getScriptType() != ScriptType.P2TR &&
+                (wallet.getKeystores().get(0).hasPrivateKey() || wallet.getKeystores().get(0).getSource() == KeystoreSource.HW_USB);
+    }
+
     private static boolean containsWalletOutputs(TransactionEntry transactionEntry) {
         return transactionEntry.getChildren().stream()
                 .filter(e -> e instanceof HashIndexEntry)
@@ -292,14 +296,28 @@ public class EntryCell extends TreeTableCell<Entry, Entry> {
         Platform.runLater(() -> EventManager.get().post(new SpendUtxoEvent(hashIndexEntry.getWallet(), spendingUtxos)));
     }
 
-    private static void freezeUtxo(HashIndexEntry hashIndexEntry) {
-        hashIndexEntry.getHashIndex().setStatus(Status.FROZEN);
-        EventManager.get().post(new WalletUtxoStatusChangedEvent(hashIndexEntry.getWallet(), hashIndexEntry.getHashIndex()));
+    private static void freezeUtxo(TreeTableView<Entry> treeTableView, HashIndexEntry hashIndexEntry) {
+        List<BlockTransactionHashIndex> utxos = treeTableView.getSelectionModel().getSelectedCells().stream()
+                .map(tp -> tp.getTreeItem().getValue())
+                .filter(e -> e instanceof HashIndexEntry && ((HashIndexEntry)e).getType().equals(HashIndexEntry.Type.OUTPUT))
+                .map(e -> ((HashIndexEntry)e).getHashIndex())
+                .filter(ref -> ref.getStatus() != Status.FROZEN)
+                .collect(Collectors.toList());
+
+        utxos.forEach(ref -> ref.setStatus(Status.FROZEN));
+        EventManager.get().post(new WalletUtxoStatusChangedEvent(hashIndexEntry.getWallet(), utxos));
     }
 
-    private static void unfreezeUtxo(HashIndexEntry hashIndexEntry) {
-        hashIndexEntry.getHashIndex().setStatus(null);
-        EventManager.get().post(new WalletUtxoStatusChangedEvent(hashIndexEntry.getWallet(), hashIndexEntry.getHashIndex()));
+    private static void unfreezeUtxo(TreeTableView<Entry> treeTableView, HashIndexEntry hashIndexEntry) {
+        List<BlockTransactionHashIndex> utxos = treeTableView.getSelectionModel().getSelectedCells().stream()
+                .map(tp -> tp.getTreeItem().getValue())
+                .filter(e -> e instanceof HashIndexEntry && ((HashIndexEntry)e).getType().equals(HashIndexEntry.Type.OUTPUT))
+                .map(e -> ((HashIndexEntry)e).getHashIndex())
+                .filter(ref -> ref.getStatus() == Status.FROZEN)
+                .collect(Collectors.toList());
+
+        utxos.forEach(ref -> ref.setStatus(null));
+        EventManager.get().post(new WalletUtxoStatusChangedEvent(hashIndexEntry.getWallet(), utxos));
     }
 
     private static Glyph getViewTransactionGlyph() {
@@ -449,7 +467,7 @@ public class EntryCell extends TreeTableCell<Entry, Entry> {
             });
             getItems().add(receiveToAddress);
 
-            if(nodeEntry != null) {
+            if(nodeEntry != null && canSignMessage(nodeEntry.getWallet())) {
                 MenuItem signVerifyMessage = new MenuItem("Sign/Verify Message");
                 signVerifyMessage.setGraphic(getSignMessageGlyph());
                 signVerifyMessage.setOnAction(AE -> {
@@ -514,7 +532,7 @@ public class EntryCell extends TreeTableCell<Entry, Entry> {
                     freezeUtxo.setGraphic(getFreezeGlyph());
                     freezeUtxo.setOnAction(AE -> {
                         hide();
-                        freezeUtxo(hashIndexEntry);
+                        freezeUtxo(treeTableView, hashIndexEntry);
                     });
                     getItems().add(freezeUtxo);
                 } else {
@@ -522,7 +540,7 @@ public class EntryCell extends TreeTableCell<Entry, Entry> {
                     unfreezeUtxo.setGraphic(getUnfreezeGlyph());
                     unfreezeUtxo.setOnAction(AE -> {
                         hide();
-                        unfreezeUtxo(hashIndexEntry);
+                        unfreezeUtxo(treeTableView, hashIndexEntry);
                     });
                     getItems().add(unfreezeUtxo);
                 }

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

@@ -28,6 +28,7 @@ import java.util.stream.Collectors;
 public class MempoolSizeFeeRatesChart extends StackedAreaChart<String, Number> {
     private static final DateFormat dateFormatter = new SimpleDateFormat("HH:mm");
     public static final int MAX_PERIOD_HOURS = 2;
+    private static final double Y_VALUE_BREAK_MVB = 3.0;
 
     private Tooltip tooltip;
 
@@ -68,19 +69,6 @@ public class MempoolSizeFeeRatesChart extends StackedAreaChart<String, Number> {
         categoryAxis.setTickLabelRotation(0);
 
         NumberAxis numberAxis = (NumberAxis)getYAxis();
-        numberAxis.setTickLabelFormatter(new StringConverter<Number>() {
-            @Override
-            public String toString(Number object) {
-                long vSizeBytes = object.longValue();
-                return (vSizeBytes / (1000 * 1000)) + " MvB";
-            }
-
-            @Override
-            public Number fromString(String string) {
-                return null;
-            }
-        });
-
         this.setOnMouseMoved(mouseEvent -> {
             Point2D sceneCoords = this.localToScene(mouseEvent.getX(), mouseEvent.getY());
             String category = categoryAxis.getValueForDisplay(categoryAxis.sceneToLocal(sceneCoords).getX());
@@ -116,6 +104,24 @@ public class MempoolSizeFeeRatesChart extends StackedAreaChart<String, Number> {
             previousFeeRate = feeRate;
         }
 
+        final double maxMvB = getMaxMvB(getData());
+        numberAxis.setTickLabelFormatter(new StringConverter<Number>() {
+            @Override
+            public String toString(Number object) {
+                long vSizeBytes = object.longValue();
+                if(maxMvB > Y_VALUE_BREAK_MVB) {
+                    return (vSizeBytes / (1000 * 1000)) + " MvB";
+                } else {
+                    return (vSizeBytes / (1000)) + " kvB";
+                }
+            }
+
+            @Override
+            public Number fromString(String string) {
+                return null;
+            }
+        });
+
         if(categories.keySet().iterator().hasNext()) {
             String time = categories.values().iterator().next();
             tooltip.setGraphic(new ChartTooltip(time, time, getData()));
@@ -159,20 +165,42 @@ public class MempoolSizeFeeRatesChart extends StackedAreaChart<String, Number> {
         return categories;
     }
 
+    private static double getMaxMvB(List<Series<String, Number>> seriesList) {
+        double maxTotal = 0d;
+        for(Series<String, Number> series : seriesList) {
+            maxTotal = Math.max(maxTotal, getMaxMvB(series));
+        }
+
+        return maxTotal;
+    }
+
+    private static double getMaxMvB(Series<String, Number> series) {
+        double total = 0d;
+        for(XYChart.Data<String, Number> data : series.getData()) {
+            double mvb = data.getYValue().doubleValue() / (1000 * 1000);
+            total += mvb;
+        }
+
+        return total;
+    }
+
     private static class ChartTooltip extends VBox {
         public ChartTooltip(String category, String time, List<Series<String, Number>> seriesList) {
             Label title = new Label("At " + time);
             HBox titleBox = new HBox(title);
             title.setStyle("-fx-alignment: center; -fx-font-size: 12px; -fx-padding: 0 0 5 0;");
             getChildren().add(titleBox);
+            double maxMvB = getMaxMvB(seriesList);
 
             for(int i = seriesList.size() - 1; i >= 0; i--) {
                 Series<String, Number> series = seriesList.get(i);
                 for(XYChart.Data<String, Number> data : series.getData()) {
                     if(data.getXValue().equals(category)) {
-                        double mvb = data.getYValue().doubleValue() / (1000 * 1000);
-                        if(mvb >= 0.01) {
-                            Label label = new Label(series.getName() + ": " + String.format("%.2f", mvb) + " MvB");
+                        double kvb = data.getYValue().doubleValue() / 1000;
+                        double mvb = kvb / 1000;
+                        if(mvb >= 0.01 || (maxMvB < Y_VALUE_BREAK_MVB && mvb > 0.001)) {
+                            String amount = (maxMvB < Y_VALUE_BREAK_MVB ? (int)kvb + " kvB" : String.format("%.2f", mvb) + " MvB");
+                            Label label = new Label(series.getName() + ": " + amount);
                             Glyph circle = new Glyph(FontAwesome5.FONT_NAME, FontAwesome5.Glyph.CIRCLE);
                             if(i < 8) {
                                 circle.setStyle("-fx-text-fill: CHART_COLOR_" + (i+1));

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

@@ -51,6 +51,7 @@ public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
     private final Wallet wallet;
     private WalletNode walletNode;
     private boolean electrumSignatureFormat;
+    private boolean closed;
 
     /**
      * Verification only constructor
@@ -177,7 +178,7 @@ public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
 
         ButtonType signButtonType = new javafx.scene.control.ButtonType("Sign", ButtonBar.ButtonData.BACK_PREVIOUS);
         ButtonType verifyButtonType = new javafx.scene.control.ButtonType("Verify", ButtonBar.ButtonData.NEXT_FORWARD);
-        ButtonType doneButtonType = new javafx.scene.control.ButtonType("Done", ButtonBar.ButtonData.OK_DONE);
+        ButtonType doneButtonType = new javafx.scene.control.ButtonType("Done", ButtonBar.ButtonData.CANCEL_CLOSE);
 
         if(buttons.length > 0) {
             dialogPane.getButtonTypes().addAll(buttons);
@@ -189,7 +190,7 @@ public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
                 customSignButton.setOnAction(event -> {
                     customSignButton.setDisable(true);
                     signMessage();
-                    setResult(ButtonBar.ButtonData.OK_DONE);
+                    setResult(ButtonBar.ButtonData.CANCEL_CLOSE);
                 });
             }
         } else {
@@ -240,9 +241,13 @@ public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
                 return;
             }
 
-            EventManager.get().unregister(this);
+            if(!closed) {
+                EventManager.get().unregister(this);
+                closed = true;
+            }
         });
 
+        AppServices.onEscapePressed(dialogPane.getScene(), () -> setResult(ButtonBar.ButtonData.CANCEL_CLOSE));
         AppServices.moveToActiveWindowScreen(this);
         setResultConverter(dialogButton -> dialogButton == signButtonType || dialogButton == verifyButtonType ? ButtonBar.ButtonData.APPLY : dialogButton.getButtonData());
 
@@ -277,8 +282,8 @@ public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
 
     private boolean isValidAddress() {
         try {
-            getAddress();
-            return true;
+            Address address = getAddress();
+            return address.getScriptType() != ScriptType.P2TR;
         } catch (InvalidAddressException e) {
             return false;
         }
@@ -311,7 +316,7 @@ public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
             Keystore keystore = decryptedWallet.getKeystores().get(0);
             ECKey privKey = keystore.getKey(walletNode);
             ScriptType scriptType = electrumSignatureFormat ? ScriptType.P2PKH : decryptedWallet.getScriptType();
-            String signatureText = privKey.signMessage(message.getText().trim(), scriptType, null);
+            String signatureText = privKey.signMessage(message.getText().trim(), scriptType);
             signature.clear();
             signature.appendText(signatureText);
             privKey.clear();

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

@@ -20,6 +20,7 @@ import javafx.geometry.Orientation;
 import javafx.geometry.Pos;
 import javafx.scene.Node;
 import javafx.scene.control.*;
+import javafx.scene.input.Clipboard;
 import javafx.scene.layout.*;
 import javafx.util.Callback;
 import org.controlsfx.control.textfield.AutoCompletionBinding;
@@ -163,7 +164,8 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
             wordEntries.add(new WordEntry(i, wordEntryList));
         }
         for(int i = 0; i < numWords - 1; i++) {
-            wordEntries.get(i).setNext(wordEntries.get(i + 1).getEditor());
+            wordEntries.get(i).setNextEntry(wordEntries.get(i + 1));
+            wordEntries.get(i).setNextField(wordEntries.get(i + 1).getEditor());
         }
         wordsPane.getChildren().addAll(wordEntries);
 
@@ -171,7 +173,7 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
 
         if(!displayWordsOnly) {
             PassphraseEntry passphraseEntry = new PassphraseEntry();
-            wordEntries.get(wordEntries.size() - 1).setNext(passphraseEntry.getEditor());
+            wordEntries.get(wordEntries.size() - 1).setNextField(passphraseEntry.getEditor());
             passphraseEntry.setPadding(new Insets(0, 26, 10, 10));
             vBox.getChildren().add(passphraseEntry);
 
@@ -401,7 +403,8 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
     private static class WordEntry extends HBox {
         private static List<String> wordList;
         private final TextField wordField;
-        private Node next;
+        private WordEntry nextEntry;
+        private TextField nextField;
 
         public WordEntry(int wordNumber, ObservableList<String> wordEntryList) {
             super();
@@ -411,7 +414,29 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
             Label label = new Label((wordNumber+1) + ".");
             label.setPrefWidth(22);
             label.setAlignment(Pos.CENTER_RIGHT);
-            wordField = new TextField();
+            wordField = new TextField() {
+                @Override
+                public void paste() {
+                    Clipboard clipboard = Clipboard.getSystemClipboard();
+                    if(clipboard.hasString() && clipboard.getString().matches("(?m).+[\\n\\s][\\S\\s]*")) {
+                        String[] words = clipboard.getString().split("[\\n\\s]");
+                        WordEntry entry = WordEntry.this;
+                        for(String word : words) {
+                            if(entry.nextField != null) {
+                                entry.nextField.requestFocus();
+                            }
+
+                            entry.wordField.setText(word);
+                            entry = entry.nextEntry;
+                            if(entry == null) {
+                                break;
+                            }
+                        }
+                    } else {
+                        super.paste();
+                    }
+                }
+            };
             wordField.setMaxWidth(100);
             TextFormatter<?> formatter = new TextFormatter<>((TextFormatter.Change change) -> {
                 String text = change.getText();
@@ -431,8 +456,8 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
             AutoCompletionBinding<String> autoCompletionBinding = TextFields.bindAutoCompletion(wordField, new WordlistSuggestionProvider(wordList));
             autoCompletionBinding.setDelay(50);
             autoCompletionBinding.setOnAutoCompleted(event -> {
-                if (next != null) {
-                    next.requestFocus();
+                if(nextField != null) {
+                    nextField.requestFocus();
                 }
             });
 
@@ -454,8 +479,12 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
             return wordField;
         }
 
-        public void setNext(Node node) {
-            next = node;
+        public void setNextEntry(WordEntry nextEntry) {
+            this.nextEntry = nextEntry;
+        }
+
+        public void setNextField(TextField field) {
+            this.nextField = field;
         }
 
         public static boolean isValid(String word) {

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

@@ -33,9 +33,9 @@ public class QRDisplayDialog extends Dialog<UR> {
     private static final Logger log = LoggerFactory.getLogger(QRDisplayDialog.class);
 
     private static final int MIN_FRAGMENT_LENGTH = 10;
-    private static final int MAX_FRAGMENT_LENGTH = 100;
+    private static final int MAX_FRAGMENT_LENGTH = 250;
 
-    private static final int ANIMATION_PERIOD_MILLIS = 400;
+    private static final int ANIMATION_PERIOD_MILLIS = 200;
 
     private static final int QR_WIDTH = 480;
     private static final int QR_HEIGHT = 480;
@@ -232,7 +232,7 @@ public class QRDisplayDialog extends Dialog<UR> {
             if(useLegacyEncoding) {
                 legacy.setGraphic(getGlyph(FontAwesome5.Glyph.CHECK_CIRCLE));
             } else {
-                legacy.setGraphic(getGlyph(FontAwesome5.Glyph.QUESTION_CIRCLE));
+                legacy.setGraphic(getGlyph(FontAwesome5.Glyph.BAN));
             }
         }
 

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

@@ -1,9 +1,6 @@
 package com.sparrowwallet.sparrow.control;
 
-import com.github.sarxos.webcam.WebcamEvent;
-import com.github.sarxos.webcam.WebcamListener;
-import com.github.sarxos.webcam.WebcamResolution;
-import com.github.sarxos.webcam.WebcamUpdater;
+import com.github.sarxos.webcam.*;
 import com.sparrowwallet.drongo.ExtendedKey;
 import com.sparrowwallet.drongo.KeyDerivation;
 import com.sparrowwallet.drongo.OutputDescriptor;
@@ -41,6 +38,7 @@ import javafx.scene.Node;
 import javafx.scene.control.*;
 import javafx.scene.layout.*;
 import javafx.util.Duration;
+import javafx.util.StringConverter;
 import org.controlsfx.glyphfont.Glyph;
 import org.controlsfx.tools.Borders;
 import org.slf4j.Logger;
@@ -74,6 +72,8 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
 
     private final DoubleProperty percentComplete = new SimpleDoubleProperty(0.0);
 
+    private final ObjectProperty<WebcamDevice> webcamDeviceProperty = new SimpleObjectProperty<>();
+
     public QRScanDialog() {
         this.decoder = new URDecoder();
         this.legacyDecoder = new LegacyURDecoder();
@@ -82,7 +82,7 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
             webcamResolutionProperty.set(WebcamResolution.HD);
         }
 
-        this.webcamService = new WebcamService(webcamResolutionProperty.get(), new QRScanListener(), new ScanDelayCalculator());
+        this.webcamService = new WebcamService(webcamResolutionProperty.get(), null, new QRScanListener(), new ScanDelayCalculator());
         webcamService.setPeriod(Duration.millis(SCAN_PERIOD_MILLIS));
         webcamService.setRestartOnFailure(false);
         WebcamView webcamView = new WebcamView(webcamService);
@@ -104,6 +104,15 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
             if(percentComplete.get() <= 0.0) {
                 Platform.runLater(() -> percentComplete.set(newValue ? 0.0 : -1.0));
             }
+            Platform.runLater(() -> {
+                if(Config.get().getWebcamDevice() != null && webcamDeviceProperty.get() == null) {
+                    for(WebcamDevice device : WebcamScanDriver.getFoundDevices()) {
+                        if(device.getName().equals(Config.get().getWebcamDevice())) {
+                            webcamDeviceProperty.set(device);
+                        }
+                    }
+                }
+            });
         });
 
         VBox vBox = new VBox(20);
@@ -122,6 +131,9 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
             if(org.controlsfx.tools.Platform.getCurrent() == org.controlsfx.tools.Platform.WINDOWS &&
                     nested.getMessage().startsWith("Library 'OpenIMAJGrabber' was not loaded successfully from file")) {
                 exception = new WebcamDependencyException("Your system is missing a dependency required for the webcam. Follow the link below for more details.\n\n[https://sparrowwallet.com/docs/faq.html#your-system-is-missing-a-dependency-for-the-webcam]", exception);
+            } else if(nested.getMessage().startsWith("Cannot start native grabber") && Config.get().getWebcamDevice() != null) {
+                exception = new WebcamOpenException("Cannot open configured webcam " + Config.get().getWebcamDevice() + ", reverting to the default webcam");
+                Config.get().setWebcamDevice(null);
             }
 
             final Throwable result = exception;
@@ -134,6 +146,12 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
             }
             webcamService.cancel();
         });
+        webcamDeviceProperty.addListener((observable, oldValue, newValue) -> {
+            Config.get().setWebcamDevice(newValue.getName());
+            if(!Objects.equals(webcamService.getDevice(), newValue)) {
+                webcamService.cancel();
+            }
+        });
 
         setOnCloseRequest(event -> {
             boolean isHdCapture = (webcamResolutionProperty.get() == WebcamResolution.HD);
@@ -146,7 +164,8 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
 
         final ButtonType cancelButtonType = new javafx.scene.control.ButtonType("Cancel", ButtonBar.ButtonData.CANCEL_CLOSE);
         final ButtonType hdButtonType = new javafx.scene.control.ButtonType("Use HD Capture", ButtonBar.ButtonData.LEFT);
-        dialogPane.getButtonTypes().addAll(hdButtonType, cancelButtonType);
+        final ButtonType camButtonType = new javafx.scene.control.ButtonType("Default Camera", ButtonBar.ButtonData.HELP_2);
+        dialogPane.getButtonTypes().addAll(hdButtonType, camButtonType, cancelButtonType);
         dialogPane.setPrefWidth(646);
         dialogPane.setPrefHeight(webcamResolutionProperty.get() == WebcamResolution.HD ? 490 : 590);
         AppServices.moveToActiveWindowScreen(this);
@@ -520,6 +539,7 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
         public void webcamClosed(WebcamEvent webcamEvent) {
             if(webcamResolutionProperty.get() != null) {
                 webcamService.setResolution(webcamResolutionProperty.get());
+                webcamService.setDevice(webcamDeviceProperty.get());
                 Platform.runLater(() -> {
                     if(!webcamService.isRunning()) {
                         webcamService.reset();
@@ -558,10 +578,32 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
                 });
 
                 button = hd;
+            } else if(buttonType.getButtonData() == ButtonBar.ButtonData.HELP_2) {
+                ComboBox<WebcamDevice> devicesCombo = new ComboBox<>(WebcamScanDriver.getFoundDevices());
+                devicesCombo.setConverter(new StringConverter<>() {
+                    @Override
+                    public String toString(WebcamDevice device) {
+                        return device instanceof WebcamScanDevice ? ((WebcamScanDevice)device).getDeviceName() : "Default Camera";
+                    }
+
+                    @Override
+                    public WebcamDevice fromString(String string) {
+                        throw new UnsupportedOperationException();
+                    }
+                });
+                devicesCombo.valueProperty().bindBidirectional(webcamDeviceProperty);
+                ButtonBar.setButtonData(devicesCombo, ButtonBar.ButtonData.LEFT);
+
+                button = devicesCombo;
             } else {
                 button = super.createButton(buttonType);
             }
 
+            if(button instanceof Region) {
+                ((Region)button).setPrefWidth(150);
+                ((Region)button).setMaxWidth(150);
+            }
+
             button.disableProperty().bind(webcamService.openingProperty());
             return button;
         }
@@ -570,7 +612,7 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
             if(isHd) {
                 hd.setGraphic(getGlyph(FontAwesome5.Glyph.CHECK_CIRCLE));
             } else {
-                hd.setGraphic(getGlyph(FontAwesome5.Glyph.QUESTION_CIRCLE));
+                hd.setGraphic(getGlyph(FontAwesome5.Glyph.BAN));
             }
         }
 
@@ -745,6 +787,24 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
         }
     }
 
+    public static class WebcamOpenException extends ScanException {
+        public WebcamOpenException() {
+            super();
+        }
+
+        public WebcamOpenException(String message) {
+            super(message);
+        }
+
+        public WebcamOpenException(Throwable cause) {
+            super(cause);
+        }
+
+        public WebcamOpenException(String message, Throwable cause) {
+            super(message, cause);
+        }
+    }
+
     public static class ScanDelayCalculator implements WebcamUpdater.DelayCalculator {
         public long calculateDelay(long snapshotDuration, double deviceFps) {
             return Math.max(SCAN_PERIOD_MILLIS - snapshotDuration, 0L);

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

@@ -44,7 +44,7 @@ public class WalletExportDialog extends Dialog<Wallet> {
         if(wallet.getPolicyType() == PolicyType.SINGLE) {
             exporters = List.of(new Electrum(), new SpecterDesktop(), new Sparrow());
         } else if(wallet.getPolicyType() == PolicyType.MULTI) {
-            exporters = List.of(new ColdcardMultisig(), new CoboVaultMultisig(), new Electrum(), new KeystoneMultisig(), new PassportMultisig(), new SpecterDesktop(), new BlueWalletMultisig(), new SpecterDIY(), new Sparrow());
+            exporters = List.of(new CaravanMultisig(), new ColdcardMultisig(), new CoboVaultMultisig(), new Electrum(), new KeystoneMultisig(), new PassportMultisig(), new SpecterDesktop(), new BlueWalletMultisig(), new SpecterDIY(), new Sparrow());
         } else {
             throw new UnsupportedOperationException("Cannot export wallet with policy type " + wallet.getPolicyType());
         }

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

@@ -54,7 +54,7 @@ public class WalletImportDialog extends Dialog<Wallet> {
             importAccordion.getPanes().add(importPane);
         }
 
-        List<WalletImport> walletImporters = List.of(new ColdcardMultisig(), new CoboVaultMultisig(), new Electrum(), new KeystoneMultisig(), new SpecterDesktop(), new BlueWalletMultisig(), new Sparrow());
+        List<WalletImport> walletImporters = List.of(new CaravanMultisig(), new ColdcardMultisig(), new CoboVaultMultisig(), new Electrum(), new KeystoneMultisig(), new SpecterDesktop(), new BlueWalletMultisig(), new Sparrow());
         for(WalletImport importer : walletImporters) {
             FileWalletImportPane importPane = new FileWalletImportPane(importer);
             importAccordion.getPanes().add(importPane);

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

@@ -14,6 +14,7 @@ import java.awt.image.*;
 import java.nio.ByteBuffer;
 import java.util.Hashtable;
 import java.util.Iterator;
+import java.util.Objects;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -312,6 +313,23 @@ public class WebcamScanDevice implements WebcamDevice, WebcamDevice.BufferAccess
         return this.fps;
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if(this == o) {
+            return true;
+        }
+        if(o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        WebcamScanDevice that = (WebcamScanDevice) o;
+        return Objects.equals(fullname, that.fullname);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(fullname);
+    }
+
     static {
         DIMENSIONS = new Dimension[]{WebcamResolution.QQVGA.getSize(), WebcamResolution.QVGA.getSize(), WebcamResolution.VGA.getSize()};
         BAND_OFFSETS = new int[]{0, 1, 2};

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

@@ -3,20 +3,43 @@ package com.sparrowwallet.sparrow.control;
 import com.github.sarxos.webcam.WebcamDevice;
 import com.github.sarxos.webcam.ds.buildin.WebcamDefaultDevice;
 import com.github.sarxos.webcam.ds.buildin.WebcamDefaultDriver;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class WebcamScanDriver extends WebcamDefaultDriver {
+    private static final ObservableList<WebcamDevice> webcamDevices = FXCollections.observableArrayList();
+    private static boolean rescan;
+
     @Override
     public List<WebcamDevice> getDevices() {
-        List<WebcamDevice> devices = super.getDevices();
-        List<WebcamDevice> scanDevices = new ArrayList<>();
-        for(WebcamDevice device : devices) {
-            WebcamDefaultDevice defaultDevice = (WebcamDefaultDevice)device;
-            scanDevices.add(new WebcamScanDevice(defaultDevice.getDeviceRef()));
+        if(rescan || webcamDevices.isEmpty()) {
+            List<WebcamDevice> devices = super.getDevices();
+            List<WebcamDevice> scanDevices = new ArrayList<>();
+            for(WebcamDevice device : devices) {
+                WebcamDefaultDevice defaultDevice = (WebcamDefaultDevice)device;
+                WebcamScanDevice scanDevice = new WebcamScanDevice(defaultDevice.getDeviceRef());
+                if(scanDevices.stream().noneMatch(dev -> ((WebcamScanDevice)dev).getDeviceName().equals(scanDevice.getDeviceName()))) {
+                    scanDevices.add(scanDevice);
+                }
+            }
+
+            List<WebcamDevice> newDevices = new ArrayList<>(scanDevices);
+            newDevices.removeAll(webcamDevices);
+            webcamDevices.addAll(newDevices);
+            webcamDevices.removeIf(device -> !scanDevices.contains(device));
         }
 
-        return scanDevices;
+        return webcamDevices;
+    }
+
+    public static ObservableList<WebcamDevice> getFoundDevices() {
+        return webcamDevices;
+    }
+
+    public static void rescan() {
+        rescan = true;
     }
 }

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

@@ -1,12 +1,11 @@
 package com.sparrowwallet.sparrow.control;
 
-import com.github.sarxos.webcam.Webcam;
-import com.github.sarxos.webcam.WebcamListener;
-import com.github.sarxos.webcam.WebcamResolution;
-import com.github.sarxos.webcam.WebcamUpdater;
+import com.github.sarxos.webcam.*;
 import com.google.zxing.*;
 import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
 import com.google.zxing.common.HybridBinarizer;
+import com.google.zxing.qrcode.QRCodeReader;
+import com.sparrowwallet.sparrow.io.Config;
 import javafx.beans.property.BooleanProperty;
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.SimpleBooleanProperty;
@@ -23,26 +22,30 @@ import java.util.concurrent.TimeUnit;
 
 public class WebcamService extends ScheduledService<Image> {
     private WebcamResolution resolution;
+    private WebcamDevice device;
     private final WebcamListener listener;
     private final WebcamUpdater.DelayCalculator delayCalculator;
     private final BooleanProperty opening = new SimpleBooleanProperty(false);
 
     private final ObjectProperty<Result> resultProperty = new SimpleObjectProperty<>(null);
 
-    private static final int QR_SAMPLE_PERIOD_MILLIS = 400;
+    private static final int QR_SAMPLE_PERIOD_MILLIS = 200;
 
     private Webcam cam;
     private long lastQrSampleTime;
+    private final Reader qrReader;
 
     static {
         Webcam.setDriver(new WebcamScanDriver());
     }
 
-    public WebcamService(WebcamResolution resolution, WebcamListener listener, WebcamUpdater.DelayCalculator delayCalculator) {
+    public WebcamService(WebcamResolution resolution, WebcamDevice device, WebcamListener listener, WebcamUpdater.DelayCalculator delayCalculator) {
         this.resolution = resolution;
+        this.device = device;
         this.listener = listener;
         this.delayCalculator = delayCalculator;
         this.lastQrSampleTime = System.currentTimeMillis();
+        this.qrReader = new QRCodeReader();
     }
 
     @Override
@@ -58,6 +61,23 @@ public class WebcamService extends ScheduledService<Image> {
                         }
 
                         cam = webcams.get(0);
+
+                        if(device != null) {
+                            for(Webcam webcam : webcams) {
+                                if(webcam.getDevice().getName().equals(device.getName())) {
+                                    cam = webcam;
+                                }
+                            }
+                        } else if(Config.get().getWebcamDevice() != null) {
+                            for(Webcam webcam : webcams) {
+                                if(webcam.getDevice().getName().equals(Config.get().getWebcamDevice())) {
+                                    cam = webcam;
+                                }
+                            }
+                        }
+
+                        device = cam.getDevice();
+
                         cam.setCustomViewSizes(resolution.getSize());
                         cam.setViewSize(resolution.getSize());
                         if(!Arrays.asList(cam.getWebcamListeners()).contains(listener)) {
@@ -70,6 +90,10 @@ public class WebcamService extends ScheduledService<Image> {
                     }
 
                     BufferedImage bimg = cam.getImage();
+                    if(bimg == null) {
+                        return null;
+                    }
+
                     Image image = SwingFXUtils.toFXImage(bimg, null);
                     updateValue(image);
 
@@ -106,9 +130,9 @@ public class WebcamService extends ScheduledService<Image> {
         BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
 
         try {
-            Result result = new MultiFormatReader().decode(bitmap);
+            Result result = qrReader.decode(bitmap);
             resultProperty.set(result);
-        } catch(NotFoundException e) {
+        } catch(ReaderException e) {
             // fall thru, it means there is no QR code in image
         }
     }
@@ -133,6 +157,14 @@ public class WebcamService extends ScheduledService<Image> {
         this.resolution = resolution;
     }
 
+    public WebcamDevice getDevice() {
+        return device;
+    }
+
+    public void setDevice(WebcamDevice device) {
+        this.device = device;
+    }
+
     public boolean isOpening() {
         return opening.get();
     }

src/main/java/com/sparrowwallet/sparrow/event/WalletUtxoStatusChangedEvent.java

@@ -3,15 +3,17 @@ package com.sparrowwallet.sparrow.event;
 import com.sparrowwallet.drongo.wallet.BlockTransactionHashIndex;
 import com.sparrowwallet.drongo.wallet.Wallet;
 
-public class WalletUtxoStatusChangedEvent extends WalletChangedEvent {
-    private final BlockTransactionHashIndex utxo;
+import java.util.List;
 
-    public WalletUtxoStatusChangedEvent(Wallet wallet, BlockTransactionHashIndex utxo) {
+public class WalletUtxoStatusChangedEvent extends WalletChangedEvent {
+    private final List<BlockTransactionHashIndex> utxos;
+
+    public WalletUtxoStatusChangedEvent(Wallet wallet, List<BlockTransactionHashIndex> utxos) {
         super(wallet);
-        this.utxo = utxo;
+        this.utxos = utxos;
     }
 
-    public BlockTransactionHashIndex getUtxo() {
-        return utxo;
+    public List<BlockTransactionHashIndex> getUtxos() {
+        return utxos;
     }
 }

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

@@ -0,0 +1,180 @@
+package com.sparrowwallet.sparrow.io;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.sparrowwallet.drongo.ExtendedKey;
+import com.sparrowwallet.drongo.KeyDerivation;
+import com.sparrowwallet.drongo.Network;
+import com.sparrowwallet.drongo.policy.Policy;
+import com.sparrowwallet.drongo.policy.PolicyType;
+import com.sparrowwallet.drongo.protocol.ScriptType;
+import com.sparrowwallet.drongo.wallet.Keystore;
+import com.sparrowwallet.drongo.wallet.KeystoreSource;
+import com.sparrowwallet.drongo.wallet.Wallet;
+import com.sparrowwallet.drongo.wallet.WalletModel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+
+public class CaravanMultisig implements WalletImport, WalletExport {
+    private static final Logger log = LoggerFactory.getLogger(ColdcardMultisig.class);
+
+    @Override
+    public String getName() {
+        return "Caravan Multisig";
+    }
+
+    @Override
+    public WalletModel getWalletModel() {
+        return WalletModel.CARAVAN;
+    }
+
+    @Override
+    public String getWalletImportDescription() {
+        return "Import the file created via the Download Wallet Details button in Caravan.";
+    }
+
+    @Override
+    public Wallet importWallet(InputStream inputStream, String password) throws ImportException {
+        try {
+            InputStreamReader reader = new InputStreamReader(inputStream, StandardCharsets.UTF_8);
+            CaravanFile cf = JsonPersistence.getGson().fromJson(reader, CaravanFile.class);
+
+            Wallet wallet = new Wallet();
+            wallet.setName(cf.name);
+            wallet.setPolicyType(PolicyType.MULTI);
+
+            for(ExtPublicKey extKey : cf.extendedPublicKeys) {
+                Keystore keystore = new Keystore(extKey.name);
+                keystore.setKeyDerivation(new KeyDerivation(extKey.xfp, extKey.bip32Path));
+                keystore.setExtendedPublicKey(ExtendedKey.fromDescriptor(extKey.xpub));
+
+                WalletModel walletModel = WalletModel.fromType(extKey.method);
+                if(walletModel == null) {
+                    keystore.setWalletModel(WalletModel.SPARROW);
+                    keystore.setSource(KeystoreSource.SW_WATCH);
+                } else {
+                    keystore.setWalletModel(walletModel);
+                    keystore.setSource(KeystoreSource.HW_USB);
+                }
+                wallet.getKeystores().add(keystore);
+            }
+
+            ScriptType scriptType = ScriptType.valueOf(cf.addressType);
+            wallet.setScriptType(scriptType);
+            wallet.setDefaultPolicy(Policy.getPolicy(PolicyType.MULTI, scriptType, wallet.getKeystores(), cf.quorum.requiredSigners));
+
+            return wallet;
+        } catch(Exception e) {
+            log.error("Error importing " + getName() + " wallet", e);
+            throw new ImportException("Error importing " + getName() + " wallet", e);
+        }
+    }
+
+    @Override
+    public boolean isWalletImportScannable() {
+        return false;
+    }
+
+    @Override
+    public void exportWallet(Wallet wallet, OutputStream outputStream) throws ExportException {
+        if(!wallet.isValid()) {
+            throw new ExportException("Cannot export an incomplete wallet");
+        }
+
+        if(!wallet.getPolicyType().equals(PolicyType.MULTI)) {
+            throw new ExportException(getName() + " import requires a multisig wallet");
+        }
+
+        try {
+            CaravanFile cf = new CaravanFile();
+            cf.name = wallet.getName();
+            cf.addressType = wallet.getScriptType().toString().replace('-', '_');
+            cf.network = Network.get().getName();
+            cf.client = new Client();
+
+            Quorum quorum = new Quorum();
+            quorum.requiredSigners = wallet.getDefaultPolicy().getNumSignaturesRequired();
+            quorum.totalSigners = wallet.getKeystores().size();
+            cf.quorum = quorum;
+
+            cf.extendedPublicKeys = new ArrayList<>();
+            for(Keystore keystore : wallet.getKeystores()) {
+                ExtPublicKey extKey = new ExtPublicKey();
+                extKey.name = keystore.getLabel();
+                extKey.bip32Path = keystore.getKeyDerivation().getDerivationPath();
+                extKey.xpub = keystore.getExtendedPublicKey().toString();
+                extKey.xfp = keystore.getKeyDerivation().getMasterFingerprint();
+                extKey.method = keystore.getWalletModel().getType();
+                cf.extendedPublicKeys.add(extKey);
+            }
+
+            Gson gson = new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().create();
+            String json = gson.toJson(cf);
+            outputStream.write(json.getBytes(StandardCharsets.UTF_8));
+            outputStream.flush();
+        } catch(Exception e) {
+            log.error("Error exporting " + getName() + " wallet", e);
+            throw new ExportException("Error exporting " + getName() + " wallet", e);
+        }
+    }
+
+    @Override
+    public String getWalletExportDescription() {
+        return "Export a file that can be imported via the Import Wallet Configuration button in Caravan.";
+    }
+
+    @Override
+    public String getExportFileExtension(Wallet wallet) {
+        return "json";
+    }
+
+    @Override
+    public boolean isWalletExportScannable() {
+        return false;
+    }
+
+    @Override
+    public boolean walletExportRequiresDecryption() {
+        return false;
+    }
+
+    @Override
+    public boolean isEncrypted(File file) {
+        return false;
+    }
+
+    private static final class CaravanFile {
+        public String name;
+        public String addressType;
+        public String network;
+        public Client client;
+        public Quorum quorum;
+        public List<ExtPublicKey> extendedPublicKeys;
+        public int startingAddressIndex = 0;
+    }
+
+    private static final class Client {
+        public String type = "public";
+    }
+
+    private static final class Quorum {
+        public int requiredSigners;
+        public int totalSigners;
+    }
+
+    private static final class ExtPublicKey {
+        public String name;
+        public String bip32Path;
+        public String xpub;
+        public String xfp;
+        public String method;
+    }
+}

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

@@ -46,6 +46,7 @@ public class Config {
     private Integer keyDerivationPeriod;
     private File hwi;
     private Boolean hdCapture;
+    private String webcamDevice;
     private ServerType serverType;
     private String publicElectrumServer;
     private String coreServer;
@@ -307,6 +308,15 @@ public class Config {
         flush();
     }
 
+    public String getWebcamDevice() {
+        return webcamDevice;
+    }
+
+    public void setWebcamDevice(String webcamDevice) {
+        this.webcamDevice = webcamDevice;
+        flush();
+    }
+
     public ServerType getServerType() {
         return serverType;
     }

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

@@ -119,8 +119,8 @@ public class Hwi {
 
     public String displayAddress(Device device, String passphrase, ScriptType scriptType, OutputDescriptor outputDescriptor) throws DisplayAddressException {
         try {
-            if(!Arrays.asList(ScriptType.SINGLE_HASH_TYPES).contains(scriptType)) {
-                throw new IllegalArgumentException("Cannot display address for script type " + scriptType + ": Only single hash types supported");
+            if(!Arrays.asList(ScriptType.ADDRESSABLE_TYPES).contains(scriptType)) {
+                throw new IllegalArgumentException("Cannot display address for script type " + scriptType + ": Only addressable types supported");
             }
 
             String descriptor = outputDescriptor.toString();
@@ -254,6 +254,7 @@ public class Hwi {
 
                     File hwiHomeDir = getHwiHomeDir();
                     File hwiVersionDir = new File(hwiHomeDir, HWI_VERSION_DIR);
+                    IOUtils.deleteDirectory(hwiVersionDir);
                     if(!hwiVersionDir.exists()) {
                         Files.createDirectories(hwiVersionDir.toPath(), PosixFilePermissions.asFileAttribute(ownerExecutableWritable));
                     }

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

@@ -90,7 +90,9 @@ public class IOUtils {
                         // if it is a subdirectory, we just return the directory name
                         entry = entry.substring(0, checkSubdir);
                     }
-                    result.add(entry);
+                    if(!entry.isEmpty()) {
+                        result.add(entry);
+                    }
                 }
             }
 

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

@@ -237,8 +237,20 @@ public class DbPersistence implements Persistence {
                     for(Entry entry : dirtyPersistables.labelEntries) {
                         if(entry instanceof TransactionEntry && ((TransactionEntry)entry).getBlockTransaction().getId() != null) {
                             blockTransactionDao.updateLabel(((TransactionEntry)entry).getBlockTransaction().getId(), entry.getLabel());
-                        } else if(entry instanceof NodeEntry && ((NodeEntry)entry).getNode().getId() != null) {
-                            walletNodeDao.updateNodeLabel(((NodeEntry)entry).getNode().getId(), entry.getLabel());
+                        } else if(entry instanceof NodeEntry) {
+                            WalletNode addressNode = ((NodeEntry)entry).getNode();
+                            if(addressNode.getId() == null) {
+                                WalletNode purposeNode = wallet.getNode(addressNode.getKeyPurpose());
+                                if(purposeNode.getId() == null) {
+                                    long purposeNodeId = walletNodeDao.insertWalletNode(purposeNode.getDerivationPath(), purposeNode.getLabel(), wallet.getId(), null);
+                                    purposeNode.setId(purposeNodeId);
+                                }
+
+                                long nodeId = walletNodeDao.insertWalletNode(addressNode.getDerivationPath(), addressNode.getLabel(), wallet.getId(), purposeNode.getId());
+                                addressNode.setId(nodeId);
+                            }
+
+                            walletNodeDao.updateNodeLabel(addressNode.getId(), entry.getLabel());
                         } else if(entry instanceof HashIndexEntry && ((HashIndexEntry)entry).getHashIndex().getId() != null) {
                             walletNodeDao.updateTxoLabel(((HashIndexEntry)entry).getHashIndex().getId(), entry.getLabel());
                         }
@@ -610,7 +622,7 @@ public class DbPersistence implements Persistence {
     @Subscribe
     public void walletUtxoStatusChanged(WalletUtxoStatusChangedEvent event) {
         if(persistsFor(event.getWallet())) {
-            dirtyPersistablesMap.computeIfAbsent(event.getWallet(), key -> new DirtyPersistables()).utxoStatuses.add(event.getUtxo());
+            dirtyPersistablesMap.computeIfAbsent(event.getWallet(), key -> new DirtyPersistables()).utxoStatuses.addAll(event.getUtxos());
         }
     }
 

src/main/java/com/sparrowwallet/sparrow/net/ElectrumServer.java

@@ -1,7 +1,6 @@
 package com.sparrowwallet.sparrow.net;
 
 import com.github.arteam.simplejsonrpc.client.Transport;
-import com.google.common.collect.Iterables;
 import com.google.common.eventbus.Subscribe;
 import com.google.common.net.HostAndPort;
 import com.sparrowwallet.drongo.KeyPurpose;

src/main/java/com/sparrowwallet/sparrow/preferences/ServerPreferencesController.java

@@ -22,7 +22,6 @@ import javafx.stage.DirectoryChooser;
 import javafx.stage.FileChooser;
 import javafx.stage.Stage;
 import javafx.util.Duration;
-import net.freehaven.tor.control.TorControlError;
 import org.berndpruenster.netlayer.tor.Tor;
 import org.controlsfx.control.SegmentedButton;
 import org.controlsfx.glyphfont.Glyph;
@@ -573,6 +572,8 @@ public class ServerPreferencesController extends PreferencesDetailController {
             reason += ". Check if the proxy server is running.";
         } else if(exception instanceof TorServerAlreadyBoundException) {
             reason += "\nIs a Tor proxy already running on port " + TorService.PROXY_PORT + "?";
+        } else if(reason != null && reason.contains("Check if Bitcoin Core is running")) {
+            reason += "\n\nSee https://sparrowwallet.com/docs/connect-node.html";
         }
 
         testResults.setText("Could not connect:\n\n" + reason);

src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java

@@ -19,7 +19,6 @@ import com.sparrowwallet.sparrow.io.Device;
 import com.sparrowwallet.sparrow.net.ElectrumServer;
 import com.sparrowwallet.sparrow.io.Storage;
 import com.sparrowwallet.sparrow.payjoin.Payjoin;
-import com.sparrowwallet.sparrow.payjoin.PayjoinReceiverException;
 import com.sparrowwallet.sparrow.wallet.Entry;
 import com.sparrowwallet.sparrow.wallet.HashIndexEntry;
 import com.sparrowwallet.sparrow.wallet.TransactionEntry;
@@ -410,10 +409,10 @@ public class HeadersController extends TransactionFormController implements Init
                     psbtSigHash = psbtInput.getSigHash();
                 }
             }
-            sigHash.setValue(psbtSigHash);
+            sigHash.setValue(psbtSigHash == SigHash.ALL_TAPROOT ? SigHash.ALL : psbtSigHash);
             sigHash.valueProperty().addListener((observable, oldValue, newValue) -> {
                 for(PSBTInput psbtInput : psbt.getPsbtInputs()) {
-                    psbtInput.setSigHash(newValue);
+                    psbtInput.setSigHash(psbtInput.isTaproot() && newValue == SigHash.ALL ? SigHash.ALL_TAPROOT : newValue);
                 }
             });
 
@@ -443,9 +442,6 @@ public class HeadersController extends TransactionFormController implements Init
         String type = "Legacy";
         if(headersForm.getTransaction().isSegwit() || (headersForm.getPsbt() != null && headersForm.getPsbt().getPsbtInputs().stream().anyMatch(in -> in.getWitnessUtxo() != null))) {
             type = "Segwit";
-            if(headersForm.getTransaction().getSegwitVersion() == 2) {
-                type = "Taproot";
-            }
         }
         segwit.setText(type);
     }

src/main/java/com/sparrowwallet/sparrow/transaction/InputForm.java

@@ -48,7 +48,7 @@ public class InputForm extends IndexedTransactionForm {
 
     public boolean isWalletTxo() {
         TransactionInput txInput = getTransactionInput();
-        return getSigningWallet() != null && getSigningWallet().getWalletTxos().keySet().stream().anyMatch(ref -> ref.getHash().equals(txInput.getOutpoint().getHash()) && ref.getIndex() == txInput.getOutpoint().getIndex());
+        return getSigningWallet() != null && getSigningWallet().isWalletTxo(txInput);
     }
 
     @Override

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

@@ -8,9 +8,7 @@ import com.sparrowwallet.drongo.address.P2PKHAddress;
 import com.sparrowwallet.drongo.protocol.Transaction;
 import com.sparrowwallet.drongo.protocol.TransactionOutput;
 import com.sparrowwallet.drongo.uri.BitcoinURI;
-import com.sparrowwallet.drongo.wallet.MaxUtxoSelector;
-import com.sparrowwallet.drongo.wallet.Payment;
-import com.sparrowwallet.drongo.wallet.UtxoSelector;
+import com.sparrowwallet.drongo.wallet.*;
 import com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.CurrencyRate;
 import com.sparrowwallet.sparrow.EventManager;
@@ -21,8 +19,11 @@ import com.sparrowwallet.sparrow.event.FiatCurrencySelectedEvent;
 import com.sparrowwallet.sparrow.io.Config;
 import com.sparrowwallet.sparrow.net.ExchangeSource;
 import javafx.application.Platform;
+import javafx.beans.property.BooleanProperty;
+import javafx.beans.property.SimpleBooleanProperty;
 import javafx.beans.value.ChangeListener;
 import javafx.beans.value.ObservableValue;
+import javafx.collections.ListChangeListener;
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
@@ -65,12 +66,19 @@ public class PaymentController extends WalletFormController implements Initializ
     @FXML
     private Label amountStatus;
 
+    @FXML
+    private Label dustStatus;
+
     @FXML
     private ToggleButton maxButton;
 
     @FXML
     private Button addPaymentButton;
 
+    private final BooleanProperty emptyAmountProperty = new SimpleBooleanProperty(true);
+
+    private final BooleanProperty dustAmountProperty = new SimpleBooleanProperty();
+
     private final ChangeListener<String> amountListener = new ChangeListener<>() {
         @Override
         public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
@@ -86,8 +94,12 @@ public class PaymentController extends WalletFormController implements Initializ
             Long recipientValueSats = getRecipientValueSats();
             if(recipientValueSats != null) {
                 setFiatAmount(AppServices.getFiatCurrencyExchangeRate(), recipientValueSats);
+                dustAmountProperty.set(recipientValueSats <= getRecipientDustThreshold());
+                emptyAmountProperty.set(false);
             } else {
                 fiatAmount.setText("");
+                dustAmountProperty.set(false);
+                emptyAmountProperty.set(true);
             }
 
             sendController.updateTransaction();
@@ -115,8 +127,8 @@ public class PaymentController extends WalletFormController implements Initializ
                 //ignore, not a URI
             }
 
-            revalidate(amount, amountListener);
-            maxButton.setDisable(!isValidAddressAndLabel());
+            revalidateAmount();
+            maxButton.setDisable(!isMaxButtonEnabled());
             sendController.updateTransaction();
 
             if(validationSupport != null) {
@@ -125,7 +137,7 @@ public class PaymentController extends WalletFormController implements Initializ
         });
 
         label.textProperty().addListener((observable, oldValue, newValue) -> {
-            maxButton.setDisable(!isValidAddressAndLabel());
+            maxButton.setDisable(!isMaxButtonEnabled());
             sendController.getCreateButton().setDisable(sendController.getWalletTransaction() == null || newValue == null || newValue.isEmpty() || sendController.isInsufficientFeeRate());
             sendController.updateTransaction();
         });
@@ -143,15 +155,20 @@ public class PaymentController extends WalletFormController implements Initializ
             }
         });
 
-        maxButton.setDisable(!isValidAddressAndLabel());
+        maxButton.setDisable(!isMaxButtonEnabled());
+        sendController.utxoSelectorProperty().addListener((observable, oldValue, newValue) -> {
+            maxButton.setDisable(!isMaxButtonEnabled());
+        });
+        sendController.getPaymentTabs().getTabs().addListener((ListChangeListener<Tab>) c -> {
+            maxButton.setDisable(!isMaxButtonEnabled());
+        });
         sendController.utxoLabelSelectionProperty().addListener((observable, oldValue, newValue) -> {
             maxButton.setText("Max" + newValue);
         });
         amountStatus.managedProperty().bind(amountStatus.visibleProperty());
-        amountStatus.setVisible(sendController.isInsufficientInputs());
-        sendController.insufficientInputsProperty().addListener((observable, oldValue, newValue) -> {
-            amountStatus.setVisible(newValue);
-        });
+        amountStatus.visibleProperty().bind(sendController.insufficientInputsProperty().and(dustAmountProperty.not()).and(emptyAmountProperty.not()));
+        dustStatus.managedProperty().bind(dustStatus.visibleProperty());
+        dustStatus.visibleProperty().bind(dustAmountProperty);
 
         Optional<Tab> firstTab = sendController.getPaymentTabs().getTabs().stream().findFirst();
         if(firstTab.isPresent()) {
@@ -173,7 +190,7 @@ public class PaymentController extends WalletFormController implements Initializ
                 Validator.createEmptyValidator("Label is required")
         ));
         validationSupport.registerValidator(amount, Validator.combine(
-                (Control c, String newValue) -> ValidationResult.fromErrorIf( c, "Insufficient Inputs", sendController.isInsufficientInputs()),
+                (Control c, String newValue) -> ValidationResult.fromErrorIf( c, "Insufficient Inputs", getRecipientValueSats() != null && sendController.isInsufficientInputs()),
                 (Control c, String newValue) -> ValidationResult.fromErrorIf( c, "Insufficient Value", getRecipientValueSats() != null && getRecipientValueSats() <= getRecipientDustThreshold())
         ));
     }
@@ -191,6 +208,10 @@ public class PaymentController extends WalletFormController implements Initializ
         return isValidRecipientAddress() && !label.getText().isEmpty();
     }
 
+    private boolean isMaxButtonEnabled() {
+        return isValidAddressAndLabel() || (sendController.utxoSelectorProperty().get() instanceof PresetUtxoSelector && sendController.getPaymentTabs().getTabs().size() == 1);
+    }
+
     private Address getRecipientAddress() throws InvalidAddressException {
         return Address.fromString(address.getText());
     }
@@ -234,8 +255,11 @@ public class PaymentController extends WalletFormController implements Initializ
         }
     }
 
-    public void revalidate() {
+    public void revalidateAmount() {
         revalidate(amount, amountListener);
+        Long recipientValueSats = getRecipientValueSats();
+        dustAmountProperty.set(recipientValueSats != null && recipientValueSats <= getRecipientDustThreshold());
+        emptyAmountProperty.set(recipientValueSats == null);
     }
 
     private void revalidate(TextField field, ChangeListener<String> listener) {
@@ -302,7 +326,7 @@ public class PaymentController extends WalletFormController implements Initializ
         fiatAmount.setText("");
         setSendMax(false);
 
-        amountStatus.setVisible(false);
+        dustAmountProperty.set(false);
     }
 
     public void setMaxInput(ActionEvent event) {
@@ -310,6 +334,11 @@ public class PaymentController extends WalletFormController implements Initializ
         if(utxoSelector == null) {
             MaxUtxoSelector maxUtxoSelector = new MaxUtxoSelector();
             sendController.utxoSelectorProperty().set(maxUtxoSelector);
+        } else if(utxoSelector instanceof PresetUtxoSelector && !isValidAddressAndLabel() && sendController.getPaymentTabs().getTabs().size() == 1) {
+            PresetUtxoSelector presetUtxoSelector = (PresetUtxoSelector)utxoSelector;
+            Payment payment = new Payment(null, null, presetUtxoSelector.getPresetUtxos().stream().mapToLong(BlockTransactionHashIndex::getValue).sum(), true);
+            setPayment(payment);
+            return;
         }
 
         try {

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

@@ -170,7 +170,7 @@ public class SendController extends WalletFormController implements Initializabl
             userFeeSet.set(false);
             for(Tab tab : paymentTabs.getTabs()) {
                 PaymentController controller = (PaymentController)tab.getUserData();
-                controller.revalidate();
+                controller.revalidateAmount();
             }
             updateTransaction();
         }
@@ -183,7 +183,7 @@ public class SendController extends WalletFormController implements Initializabl
             userFeeSet.set(false);
             for(Tab tab : paymentTabs.getTabs()) {
                 PaymentController controller = (PaymentController)tab.getUserData();
-                controller.revalidate();
+                controller.revalidateAmount();
             }
             updateTransaction();
         }
@@ -228,7 +228,7 @@ public class SendController extends WalletFormController implements Initializabl
         insufficientInputsProperty.addListener((observable, oldValue, newValue) -> {
             for(Tab tab : paymentTabs.getTabs()) {
                 PaymentController controller = (PaymentController)tab.getUserData();
-                controller.revalidate();
+                controller.revalidateAmount();
             }
             revalidate(fee, feeListener);
         });
@@ -905,6 +905,7 @@ public class SendController extends WalletFormController implements Initializabl
         excludedChangeNodes.clear();
         walletTransactionProperty.setValue(null);
         createdWalletTransactionProperty.set(null);
+        insufficientInputsProperty.set(false);
 
         validationSupport.setErrorDecorationEnabled(false);
     }
@@ -1163,7 +1164,7 @@ public class SendController extends WalletFormController implements Initializabl
                 updateTransaction(true);
             } else if(utxoSelectorProperty().get() instanceof PresetUtxoSelector) {
                 PresetUtxoSelector presetUtxoSelector = new PresetUtxoSelector(((PresetUtxoSelector)utxoSelector).getPresetUtxos());
-                presetUtxoSelector.getPresetUtxos().remove(event.getUtxo());
+                presetUtxoSelector.getPresetUtxos().removeAll(event.getUtxos());
                 utxoSelectorProperty.set(presetUtxoSelector);
                 updateTransaction(true);
             } else {

src/main/java/module-info.java

@@ -1,6 +1,7 @@
 open module com.sparrowwallet.sparrow {
     requires java.desktop;
     requires java.net.http;
+    requires javafx.base;
     requires javafx.controls;
     requires javafx.fxml;
     requires javafx.graphics;
@@ -10,7 +11,6 @@ open module com.sparrowwallet.sparrow {
     requires tornadofx.controls;
     requires com.sparrowwallet.drongo;
     requires com.google.common;
-    requires flowless;
     requires com.google.zxing;
     requires com.google.zxing.javase;
     requires simple.json.rpc.client;
@@ -18,21 +18,23 @@ open module com.sparrowwallet.sparrow {
     requires simple.json.rpc.core;
     requires org.jetbrains.annotations;
     requires com.fasterxml.jackson.databind;
-    requires webcam.capture;
     requires netlayer.jpms;
-    requires hummingbird;
-    requires centerdevice.nsmenufx;
-    requires jcommander;
     requires org.slf4j;
-    requires bwt.jni;
-    requires jtorctl;
-    requires javacsv;
-    requires jul.to.slf4j;
-    requires bridj;
     requires com.google.gson;
     requires org.jdbi.v3.core;
     requires org.jdbi.v3.sqlobject;
     requires org.flywaydb.core;
     requires com.zaxxer.hikari;
     requires com.h2database;
+    requires com.sparrowwallet.hummingbird;
+    requires org.fxmisc.flowless;
+    requires com.github.sarxos.webcam.capture;
+    requires centerdevice.nsmenufx;
+    requires com.github.JesusMcCloud.jtorctl;
+    requires com.beust.jcommander;
+    requires org.slf4j.jul.to.slf4j;
+    requires net.sourceforge.javacsv;
+    requires com.nativelibs4java.bridj;
+    requires org.reactfx.reactfx;
+    requires dev.bwt.jni;
 }

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

@@ -65,6 +65,14 @@
                             <Glyph fontFamily="Font Awesome 5 Free Solid" fontSize="12" icon="EXCLAMATION_CIRCLE" styleClass="failure" />
                         </graphic>
                     </Label>
+                    <Label fx:id="dustStatus" text="Amount too low">
+                        <tooltip>
+                            <Tooltip text="Amount below the Bitcoin network dust threshold for this address type" />
+                        </tooltip>
+                        <graphic>
+                            <Glyph fontFamily="Font Awesome 5 Free Solid" fontSize="12" icon="EXCLAMATION_CIRCLE" styleClass="failure" />
+                        </graphic>
+                    </Label>
                 </Group>
                 <Region style="-fx-pref-width: 5" />
                 <ToggleButton fx:id="maxButton" text="Max" onAction="#setMaxInput" />

src/test/java/com/sparrowwallet/sparrow/io/CaravanMultisigTest.java

@@ -0,0 +1,44 @@
+package com.sparrowwallet.sparrow.io;
+
+import com.google.common.io.ByteStreams;
+import com.sparrowwallet.drongo.policy.PolicyType;
+import com.sparrowwallet.drongo.protocol.ScriptType;
+import com.sparrowwallet.drongo.wallet.Wallet;
+import com.sparrowwallet.drongo.wallet.WalletModel;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+public class CaravanMultisigTest extends IoTest {
+    @Test
+    public void importWallet1() throws ImportException {
+        CaravanMultisig ccMultisig = new CaravanMultisig();
+        Wallet wallet = ccMultisig.importWallet(getInputStream("caravan-multisig-export-1.json"), null);
+        Assert.assertEquals("Test Wallet", wallet.getName());
+        Assert.assertEquals(PolicyType.MULTI, wallet.getPolicyType());
+        Assert.assertEquals(ScriptType.P2WSH, wallet.getScriptType());
+        Assert.assertEquals(2, wallet.getDefaultPolicy().getNumSignaturesRequired());
+        Assert.assertEquals("wsh(sortedmulti(2,mercury,venus,earth))", wallet.getDefaultPolicy().getMiniscript().getScript().toLowerCase());
+        Assert.assertTrue(wallet.isValid());
+        Assert.assertEquals("8188029f", wallet.getKeystores().get(0).getKeyDerivation().getMasterFingerprint());
+        Assert.assertEquals("m/48'/0'/0'/2'", wallet.getKeystores().get(0).getKeyDerivation().getDerivationPath());
+        Assert.assertEquals(WalletModel.TREZOR_1, wallet.getKeystores().get(0).getWalletModel());
+        Assert.assertEquals("xpub6EMVvcTUbaABdaPLaVWE72CjcN72URa5pKK1knrKLz1hKaDwUkgddc3832a8MHEpLyuow7MfjMRomt2iMtwPH4pWrFLft4JsquHjeZfKsYp", wallet.getKeystores().get(0).getExtendedPublicKey().toString());
+    }
+
+    @Test
+    public void exportWallet1() throws ImportException, ExportException, IOException {
+        CaravanMultisig ccMultisig = new CaravanMultisig();
+        byte[] walletBytes = ByteStreams.toByteArray(getInputStream("caravan-multisig-export-1.json"));
+        Wallet wallet = ccMultisig.importWallet(new ByteArrayInputStream(walletBytes), null);
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        ccMultisig.exportWallet(wallet, baos);
+        byte[] exportedBytes = baos.toByteArray();
+        String original = new String(walletBytes);
+        String exported = new String(exportedBytes);
+        Assert.assertEquals(original, exported);
+    }
+}

src/test/java/com/sparrowwallet/sparrow/io/IoTest.java

@@ -1,13 +1,23 @@
 package com.sparrowwallet.sparrow.io;
 
 import java.io.File;
+import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
 
 public class IoTest {
     public static final String IO_TEST_PATH = "/com/sparrowwallet/sparrow/io/";
 
     protected File getFile(String filename) {
-        return new File(this.getClass().getResource(IO_TEST_PATH + filename).getFile());
+        try {
+            Path tempFile = Files.createTempFile(filename, null);
+            Files.copy(getInputStream(filename), tempFile, StandardCopyOption.REPLACE_EXISTING);
+            return tempFile.toFile();
+        } catch(IOException e) {
+            throw new IllegalStateException(e);
+        }
     }
 
     protected InputStream getInputStream(String filename) {

src/test/java/com/sparrowwallet/sparrow/io/StorageTest.java

@@ -57,7 +57,7 @@ public class StorageTest extends IoTest {
 
     @Test
     public void multipleLoadTest() throws IOException, MnemonicException, StorageException {
-        for(int i = 0; i < 100; i++) {
+        for(int i = 0; i < 5; i++) {
             loadSeedWallet();
         }
     }

src/test/resources/com/sparrowwallet/sparrow/io/caravan-multisig-export-1.json

@@ -0,0 +1,36 @@
+{
+  "name": "Test Wallet",
+  "addressType": "P2WSH",
+  "network": "mainnet",
+  "client": {
+    "type": "public"
+  },
+  "quorum": {
+    "requiredSigners": 2,
+    "totalSigners": 3
+  },
+  "extendedPublicKeys": [
+    {
+      "name": "Mercury",
+      "bip32Path": "m/48'/0'/0'/2'",
+      "xpub": "xpub6EMVvcTUbaABdaPLaVWE72CjcN72URa5pKK1knrKLz1hKaDwUkgddc3832a8MHEpLyuow7MfjMRomt2iMtwPH4pWrFLft4JsquHjeZfKsYp",
+      "xfp": "8188029f",
+      "method": "trezor"
+    },
+    {
+      "name": "Venus",
+      "bip32Path": "m/48'/0'/0'/2'",
+      "xpub": "xpub6EbTHAgvzZtVppjLPXia2prt6T2w7DD2VQ8gysgV6ECzmKkA6zt4WR3hX4bgciTDrnaneZoJbA19tYKBMrWuA89SbgYAdbMNWmtzrgLhqco",
+      "xfp": "a15e8133",
+      "method": "ledger"
+    },
+    {
+      "name": "Earth",
+      "bip32Path": "m/48'/0'/0'/2'",
+      "xpub": "xpub6Ea6qWGr6BWpCSyLo8ggypvXg1MwadiAGZxAHvrBUwvT2ki6pNVG61bg3YEdxkj7FRJ1cLFK7Vvqd9rcDvwCLX7VfEMfJJfdbA1NGsFazvz",
+      "xfp": "d31cf7f9",
+      "method": "coldcard"
+    }
+  ],
+  "startingAddressIndex": 0
+}