retrieve and show next block median fee rate in recent blocks view where available

.github/workflows/package.yaml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-2022, ubuntu-20.04, ubuntu-22.04-arm, macos-13, macos-14]
+        os: [windows-2022, ubuntu-22.04, ubuntu-22.04-arm, macos-13, macos-14]
     steps:
       - uses: actions/checkout@v4
         with:
@@ -30,7 +30,10 @@ jobs:
       - name: Package tar distribution
         if: ${{ runner.os == 'Linux' }}
         run: ./gradlew packageTarDistribution
-      - name: Upload Artifacts
+      - name: Repackage deb distribution
+        if: ${{ runner.os == 'Linux' }}
+        run: ./repackage.sh
+      - name: Upload Artifact
         uses: actions/upload-artifact@v4
         with:
           name: Sparrow Build - ${{ runner.os }} ${{ runner.arch }}
@@ -43,9 +46,9 @@ jobs:
       - name: Package headless tar distribution
         if: ${{ runner.os == 'Linux' }}
         run: ./gradlew -Djava.awt.headless=true packageTarDistribution
-      - name: Rename Headless Artifacts
+      - name: Repackage headless deb distribution
         if: ${{ runner.os == 'Linux' }}
-        run: for f in build/jpackage/sparrow*; do mv -v "$f" "${f/sparrow/sparrow-server}"; done;
+        run: ./repackage.sh
       - name: Upload Headless Artifact
         if: ${{ runner.os == 'Linux' }}
         uses: actions/upload-artifact@v4

build.gradle

@@ -3,39 +3,24 @@ plugins {
     id 'org-openjfx-javafxplugin'
     id 'org.beryx.jlink' version '3.1.1'
     id 'org.gradlex.extra-java-module-info' version '1.9'
+    id 'io.matthewnelson.kmp.tor.resource-filterjar' version '408.16.3'
 }
 
-def sparrowVersion = '2.1.3'
 def os = org.gradle.internal.os.OperatingSystem.current()
 def osName = os.getFamilyName()
 if(os.macOsX) {
     osName = "osx"
 }
-def targetName = ""
 def osArch = "x64"
 def releaseArch = "x86_64"
 if(System.getProperty("os.arch") == "aarch64") {
     osArch = "aarch64"
     releaseArch = "aarch64"
-    targetName = "-" + osArch
 }
 def headless = "true".equals(System.getProperty("java.awt.headless"))
 
-def vTor = '4.7.13-4'
-def vKmpTor = '1.4.3'
-def kmpOs = osName
-if(os.macOsX) {
-    kmpOs = "macos"
-} else if(os.windows) {
-    kmpOs = "mingw"
-}
-def kmpArch = "x64"
-if(System.getProperty("os.arch") == "aarch64") {
-    kmpArch = "arm64"
-}
-
-group "com.sparrowwallet"
-version "${sparrowVersion}"
+group 'com.sparrowwallet'
+version '2.2.2'
 
 repositories {
     mavenCentral()
@@ -89,31 +74,10 @@ dependencies {
     implementation('com.fasterxml.jackson.core:jackson-databind:2.17.2')
     implementation('com.sparrowwallet:hummingbird:1.7.4')
     implementation('co.nstant.in:cbor:0.9')
-    implementation("com.nativelibs4java:bridj${targetName}:0.7-20140918-3") {
-        exclude group: 'com.google.android.tools', module: 'dx'
-    }
-    implementation("com.github.sarxos:webcam-capture${targetName}:0.3.13-SNAPSHOT") {
-        exclude group: 'com.nativelibs4java', module: 'bridj'
-    }
-    implementation("io.matthewnelson.kotlin-components:kmp-tor:${vTor}-${vKmpTor}") {
-        exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-common'
-    }
-    if(kmpOs == "linux" && kmpArch == "arm64") {
-        implementation("com.sparrowwallet.kmp-tor-binary:kmp-tor-binary-${kmpOs}${kmpArch}-jvm:${vTor}") {
-            exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-common'
-        }
-    } else {
-        implementation("io.matthewnelson.kotlin-components:kmp-tor-binary-${kmpOs}${kmpArch}:${vTor}") {
-            exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-common'
-        }
-    }
-    implementation("io.matthewnelson.kotlin-components:kmp-tor-binary-extract:${vTor}") {
-        exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-common'
-    }
-    implementation("io.matthewnelson.kotlin-components:kmp-tor-ext-callback-manager:${vKmpTor}") {
-        exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-common'
-    }
-    implementation('org.jetbrains.kotlinx:kotlinx-coroutines-javafx:1.7.1') {
+    implementation('org.openpnp:openpnp-capture-java:0.0.28-5')
+    implementation("io.matthewnelson.kmp-tor:runtime:2.2.1")
+    implementation("io.matthewnelson.kmp-tor:resource-exec-tor-gpl:408.16.3")
+    implementation('org.jetbrains.kotlinx:kotlinx-coroutines-javafx:1.10.1') {
         exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-common'
     }
     implementation('de.codecentric.centerdevice:centerdevice-nsmenufx:2.1.7')
@@ -189,7 +153,6 @@ application {
                                  "--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.graphics/com.sun.glass.ui.mac=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",
@@ -202,7 +165,7 @@ application {
                                  "--add-reads=org.flywaydb.core=java.desktop"]
 
     if(os.macOsX) {
-        applicationDefaultJvmArgs += ["-Dprism.lcdtext=false", "-Xdock:name=Sparrow", "-Xdock:icon=/Users/scy/git/sparrow/src/main/resources/sparrow-large.png",
+        applicationDefaultJvmArgs += ["-Dprism.lcdtext=false", "-Xdock:name=Sparrow",
                                       "--add-opens=javafx.graphics/com.sun.glass.ui.mac=centerdevice.nsmenufx"]
     }
     if(headless) {
@@ -238,7 +201,6 @@ jlink {
                    "--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.graphics/com.sun.glass.ui.mac=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",
@@ -258,6 +220,7 @@ jlink {
                    "--add-reads=com.sparrowwallet.merged.module=co.nstant.in.cbor",
                    "--add-reads=com.sparrowwallet.merged.module=org.bouncycastle.pg",
                    "--add-reads=com.sparrowwallet.merged.module=org.bouncycastle.provider",
+                   "--add-reads=com.sparrowwallet.merged.module=kotlin.stdlib",
                    "--add-reads=kotlin.stdlib=kotlinx.coroutines.core",
                    "--add-reads=org.flywaydb.core=java.desktop"]
 
@@ -265,7 +228,7 @@ jlink {
             jvmArgs += ["-Djavax.accessibility.assistive_technologies", "-Djavax.accessibility.screen_magnifier_present=false"]
         }
         if(os.macOsX) {
-            jvmArgs += ["-Dprism.lcdtext=false", "--add-opens=javafx.graphics/com.sun.glass.ui.mac=com.sparrowwallet.merged.module"]
+            jvmArgs += ["-Dprism.lcdtext=false", "--add-opens=javafx.graphics/com.sun.glass.ui.mac=com.sparrowwallet.merged.module", "--add-opens=javafx.graphics/com.sun.glass.ui.mac=centerdevice.nsmenufx"]
         }
         if(headless) {
             jvmArgs += ["-Dglass.platform=Monocle", "-Dmonocle.platform=Headless", "-Dprism.order=sw"]
@@ -275,7 +238,7 @@ jlink {
     jpackage {
         imageName = "Sparrow"
         installerName = "Sparrow"
-        appVersion = "${sparrowVersion}"
+        appVersion = "${version}"
         skipInstaller = os.macOsX || properties.skipInstallers
         imageOptions = []
         installerOptions = ['--file-associations', 'src/main/deploy/psbt.properties', '--file-associations', 'src/main/deploy/txn.properties', '--file-associations', 'src/main/deploy/asc.properties', '--file-associations', 'src/main/deploy/bitcoin.properties', '--file-associations', 'src/main/deploy/auth47.properties', '--file-associations', 'src/main/deploy/lightning.properties', '--license-file', 'LICENSE']
@@ -286,11 +249,13 @@ jlink {
         }
         if(os.linux) {
             if(headless) {
-                installerOptions = ['--license-file', 'LICENSE', '--resource-dir', "src/main/deploy/package/linux-headless/${osArch}"]
+                installerName = "sparrowserver"
+                installerOptions = ['--license-file', 'LICENSE']
             } else {
-                installerOptions += ['--resource-dir', 'src/main/deploy/package/linux/', '--linux-shortcut', '--linux-menu-group', 'Sparrow']
+                installerName = "sparrowwallet"
+                installerOptions += ['--linux-shortcut', '--linux-menu-group', 'Sparrow']
             }
-            installerOptions += ['--linux-app-category', 'utils', '--linux-app-release', '1', '--linux-rpm-license-type', 'ASL 2.0', '--linux-deb-maintainer', 'mail@sparrowwallet.com']
+            installerOptions += ['--resource-dir', layout.buildDirectory.dir('deploy/package').get().asFile.toString(), '--linux-app-category', 'utils', '--linux-app-release', '1', '--linux-rpm-license-type', 'ASL 2.0', '--linux-deb-maintainer', 'mail@sparrowwallet.com']
             imageOptions += ['--icon', 'src/main/deploy/package/linux/Sparrow.png', '--resource-dir', 'src/main/deploy/package/linux/']
         }
         if(os.macOsX) {
@@ -308,6 +273,7 @@ jlink {
 
 if(os.linux) {
     tasks.jlink.finalizedBy('addUserWritePermission', 'copyUdevRules')
+    tasks.jpackageImage.finalizedBy('prepareResourceDir')
 } else {
     tasks.jlink.finalizedBy('addUserWritePermission')
 }
@@ -326,12 +292,42 @@ tasks.register('copyUdevRules', Copy) {
     include('*')
 }
 
+tasks.register('prepareResourceDir', Copy) {
+    from("src/main/deploy/package/linux${headless ? '-headless' : ''}")
+    into(layout.buildDirectory.dir('deploy/package'))
+    include('*')
+    eachFile { file ->
+        if(file.name.equals('control') || file.name.endsWith('.spec')) {
+            filter { line ->
+                if(line.contains('${size}')) {
+                    line = line.replace('${size}', getDirectorySize(layout.buildDirectory.dir('jpackage/Sparrow').get().asFile))
+                }
+                return line.replace('${version}', "${version}").replace('${arch}', osArch == 'aarch64' ? 'arm64' : 'amd64')
+            }
+        }
+    }
+}
+
+static def getDirectorySize(File directory) {
+    long size = 0
+    if(directory.isFile()) {
+        size = directory.length()
+    } else if(directory.isDirectory()) {
+        directory.eachFileRecurse { file ->
+            if(file.isFile()) {
+                size += file.length()
+            }
+        }
+    }
+    return Long.toString(size/1024 as long)
+}
+
 tasks.register('removeGroupWritePermission', Exec) {
     commandLine 'chmod', '-R', 'g-w', "$buildDir/jpackage/Sparrow"
 }
 
 tasks.register('packageZipDistribution', Zip) {
-    archiveFileName = "Sparrow-${sparrowVersion}.zip"
+    archiveFileName = "Sparrow-${version}.zip"
     destinationDirectory = file("$buildDir/jpackage")
     preserveFileTimestamps = os.macOsX
     from("$buildDir/jpackage/") {
@@ -342,7 +338,7 @@ tasks.register('packageZipDistribution', Zip) {
 
 tasks.register('packageTarDistribution', Tar) {
     dependsOn removeGroupWritePermission
-    archiveFileName = "sparrow-${sparrowVersion}-${releaseArch}.tar.gz"
+    archiveFileName = "sparrow${headless ? 'server': 'wallet'}-${version}-${releaseArch}.tar.gz"
     destinationDirectory = file("$buildDir/jpackage")
     compression = Compression.GZIP
     from("$buildDir/jpackage/") {
@@ -378,18 +374,11 @@ extraJavaModuleInfo {
         requires('org.slf4j')
         requires('com.fasterxml.jackson.databind')
     }
-    module("com.nativelibs4java:bridj${targetName}", 'com.nativelibs4java.bridj') {
-        exports('org.bridj')
-        exports('org.bridj.cpp')
-        requires('java.logging')
-    }
-    module("com.github.sarxos:webcam-capture${targetName}", 'com.github.sarxos.webcam.capture') {
-        exports('com.github.sarxos.webcam')
-        exports('com.github.sarxos.webcam.ds.buildin')
-        exports('com.github.sarxos.webcam.ds.buildin.natives')
+    module('org.openpnp:openpnp-capture-java', 'openpnp.capture.java') {
+        exports('org.openpnp.capture')
+        exports('org.openpnp.capture.library')
         requires('java.desktop')
-        requires('com.nativelibs4java.bridj')
-        requires('org.slf4j')
+        requires('com.sun.jna')
     }
     module('de.codecentric.centerdevice:centerdevice-nsmenufx', 'centerdevice.nsmenufx') {
         exports('de.codecentric.centerdevice')
@@ -487,119 +476,6 @@ extraJavaModuleInfo {
         exports('net.coobird.thumbnailator')
         requires('java.desktop')
     }
-    module("io.matthewnelson.kotlin-components:kmp-tor-jvm", 'kmp.tor.jvm') {
-        exports('io.matthewnelson.kmp.tor')
-        requires('kmp.tor.binary.extract.jvm')
-        requires('kmp.tor.manager.jvm')
-        requires('kmp.tor.manager.common.jvm')
-        requires('kmp.tor.controller.common.jvm')
-        requires('kotlin.stdlib')
-        requires('kotlinx.coroutines.core')
-        requires('java.management')
-    }
-    if(kmpOs == "linux" && kmpArch == "arm64") {
-        module("com.sparrowwallet.kmp-tor-binary:kmp-tor-binary-${kmpOs}${kmpArch}-jvm", "kmp.tor.binary.${kmpOs}${kmpArch}") {
-            exports("io.matthewnelson.kmp.tor.resource.${kmpOs}.${kmpArch}")
-            exports("kmptor.${kmpOs}.${kmpArch}")
-        }
-    } else {
-        module("io.matthewnelson.kotlin-components:kmp-tor-binary-${kmpOs}${kmpArch}-jvm", "kmp.tor.binary.${kmpOs}${kmpArch}") {
-            exports("io.matthewnelson.kmp.tor.binary.${kmpOs}.${kmpArch}")
-            exports("kmptor.${kmpOs}.${kmpArch}")
-        }
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-binary-extract-jvm", 'kmp.tor.binary.extract.jvm') {
-        exports('io.matthewnelson.kmp.tor.binary.extract')
-        exports('io.matthewnelson.kmp.tor.binary.extract.internal')
-        requires('kotlin.stdlib')
-        requires("kmp.tor.binary.${kmpOs}${kmpArch}")
-        requires('kmp.tor.binary.geoip.jvm')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-manager-jvm", 'kmp.tor.manager.jvm') {
-        exports('io.matthewnelson.kmp.tor.manager')
-        exports('io.matthewnelson.kmp.tor.manager.util')
-        requires('kmp.tor.controller.common.jvm')
-        requires('kmp.tor.manager.common.jvm')
-        requires('kotlin.stdlib')
-        requires('kotlinx.coroutines.core')
-        requires('kotlinx.atomicfu')
-        requires('kmp.tor.controller.jvm')
-        requires('kmp.tor.common.jvm')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-manager-common-jvm", 'kmp.tor.manager.common.jvm') {
-        exports('io.matthewnelson.kmp.tor.manager.common')
-        exports('io.matthewnelson.kmp.tor.manager.common.event')
-        exports('io.matthewnelson.kmp.tor.manager.common.state')
-        requires('kmp.tor.controller.common.jvm')
-        requires('kmp.tor.common.jvm')
-        requires('kotlin.stdlib')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-controller-common-jvm", 'kmp.tor.controller.common.jvm') {
-        exports('io.matthewnelson.kmp.tor.controller.common.config')
-        exports('io.matthewnelson.kmp.tor.controller.common.file')
-        exports('io.matthewnelson.kmp.tor.controller.common.control')
-        exports('io.matthewnelson.kmp.tor.controller.common.control.usecase')
-        exports('io.matthewnelson.kmp.tor.controller.common.events')
-        exports('io.matthewnelson.kmp.tor.controller.common.exceptions')
-        requires('kmp.tor.common.jvm')
-        requires('kotlin.stdlib')
-        requires('kotlinx.atomicfu')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-common-jvm", 'kmp.tor.common.jvm') {
-        exports('io.matthewnelson.kmp.tor.common.address')
-        requires('parcelize.jvm')
-        requires('kotlin.stdlib')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-controller-jvm", 'kmp.tor.controller.jvm') {
-        exports('io.matthewnelson.kmp.tor.controller.internal.controller')
-        requires('kmp.tor.common.jvm')
-        requires('kmp.tor.controller.common.jvm')
-        requires('kotlinx.coroutines.core')
-        requires('kotlin.stdlib')
-        requires('kotlinx.atomicfu')
-        requires('encoding.core.jvm')
-        requires('encoding.base16.jvm')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-ext-callback-common-jvm", 'kmp.tor.ext.callback.common.jvm') {
-        exports('io.matthewnelson.kmp.tor.ext.callback.common')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-ext-callback-manager-jvm", 'kmp.tor.ext.callback.manager.jvm') {
-        exports('io.matthewnelson.kmp.tor.ext.callback.manager')
-        requires('kmp.tor.manager.jvm')
-        requires('kmp.tor.ext.callback.common.jvm')
-        requires('kmp.tor.ext.callback.manager.common.jvm')
-        requires('kmp.tor.ext.callback.controller.common.jvm')
-        requires('kmp.tor.manager.common.jvm')
-        requires('kmp.tor.controller.common.jvm')
-        requires('kotlin.stdlib')
-        requires('kotlinx.coroutines.core')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-ext-callback-manager-common-jvm", 'kmp.tor.ext.callback.manager.common.jvm') {
-        exports('io.matthewnelson.kmp.tor.ext.callback.manager.common')
-        requires('kmp.tor.ext.callback.controller.common.jvm')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-ext-callback-controller-common-jvm", 'kmp.tor.ext.callback.controller.common.jvm') {
-        exports('io.matthewnelson.kmp.tor.ext.callback.controller.common.control')
-        exports('io.matthewnelson.kmp.tor.ext.callback.controller.common.control.usecase')
-    }
-    module("io.matthewnelson.kotlin-components:kmp-tor-binary-geoip-jvm", 'kmp.tor.binary.geoip.jvm') {
-        exports('io.matthewnelson.kmp.tor.binary.geoip')
-        exports('kmptor')
-    }
-    module("base16-jvm-2.0.0.jar", 'encoding.base16.jvm', "2.0.0") {
-        exports('io.matthewnelson.encoding.base16')
-        requires('encoding.core.jvm')
-        requires('kotlin.stdlib')
-    }
-    module("base32-jvm-2.0.0.jar", 'encoding.base32.jvm', "2.0.0")
-    module("base64-jvm-2.0.0.jar", 'encoding.base64.jvm', "2.0.0")
-    module("core-jvm-2.0.0.jar", 'encoding.core.jvm', "2.0.0") {
-        exports('io.matthewnelson.encoding.core')
-        requires('kotlin.stdlib')
-    }
-    module("parcelize-jvm-0.1.2.jar", 'parcelize.jvm', "0.1.2") {
-        exports('io.matthewnelson.component.parcelize')
-    }
     module('org.jcommander:jcommander', 'org.jcommander') {
         exports('com.beust.jcommander')
     }
@@ -614,4 +490,8 @@ extraJavaModuleInfo {
     module('com.jcraft:jzlib', 'com.jcraft.jzlib') {
         exports('com.jcraft.jzlib')
     }
+}
+
+kmpTorResourceFilterJar {
+    keepTorCompilation("current","current")
 }

docs/reproducible.md

@@ -83,7 +83,7 @@ sudo apt install -y rpm fakeroot binutils
 First, assign a temporary variable in your shell for the specific release you want to build. For the current one specify:
 
 ```shell
-GIT_TAG="2.0.0"
+GIT_TAG="2.2.1"
 ```
 
 The project can then be initially cloned as follows:

repackage.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+set -e  # Exit on any error
+
+# Define paths
+BUILD_DIR="build"
+JPACKAGE_DIR="$BUILD_DIR/jpackage"
+TEMP_DIR="$BUILD_DIR/repackage"
+
+# Find the .deb file in build/jpackage (assuming there is only one)
+DEB_FILE=$(find "$JPACKAGE_DIR" -type f -name "*.deb" -print -quit)
+
+# Check if a .deb file was found
+if [ -z "$DEB_FILE" ]; then
+  echo "Error: No .deb file found in $JPACKAGE_DIR"
+  exit 1
+fi
+
+# Extract the filename from the path for later use
+DEB_FILENAME=$(basename "$DEB_FILE")
+
+echo "Found .deb file: $DEB_FILENAME"
+
+# Create a temp directory inside build to avoid file conflicts
+mkdir -p "$TEMP_DIR"
+cd "$TEMP_DIR"
+
+# Extract the .deb file contents
+ar x "../../$DEB_FILE"
+
+# Decompress zst files to tar
+unzstd control.tar.zst
+unzstd data.tar.zst
+
+# Compress tar files to xz
+xz -c control.tar > control.tar.xz
+xz -c data.tar > data.tar.xz
+
+# Remove the original .deb file
+rm "../../$DEB_FILE"
+
+# Create the new .deb file with xz compression in the original location
+ar cr "../../$DEB_FILE" debian-binary control.tar.xz data.tar.xz
+
+# Clean up temp files
+cd ../..
+rm -rf "$TEMP_DIR"
+
+echo "Repackaging complete: $DEB_FILENAME"

src/main/deploy/package/linux-headless/aarch64/control

@@ -1,9 +0,0 @@
-Package: sparrow
-Version: 2.1.3-1
-Section: utils
-Maintainer: Craig Raw <mail@sparrowwallet.com>
-Priority: optional
-Architecture: arm64
-Provides: sparrow
-Description: Sparrow
-Depends: libc6, zlib1g

src/main/deploy/package/linux-headless/control

@@ -0,0 +1,12 @@
+Package: sparrowserver
+Version: ${version}-1
+Section: utils
+Maintainer: Craig Raw <mail@sparrowwallet.com>
+Priority: optional
+Architecture: ${arch}
+Conflicts: sparrow (<= 2.1.4)
+Replaces: sparrow (<= 2.1.4)
+Provides: sparrowserver
+Description: Sparrow Server
+Depends: libc6, zlib1g
+Installed-Size: ${size}

src/main/deploy/package/linux-headless/sparrowserver.spec

@@ -0,0 +1,85 @@
+Summary: Sparrow Server
+Name: sparrowserver
+Version: ${version}
+Release: 1
+License: ASL 2.0
+Vendor: Unknown
+
+%if "x" != "x"
+URL: https://sparrowwallet.com
+%endif
+
+%if "x/opt" != "x"
+Prefix: /opt
+%endif
+
+Provides: sparrowserver
+Obsoletes: sparrow <= 2.1.4
+
+%if "xutils" != "x"
+Group: utils
+%endif
+
+Autoprov: 0
+Autoreq: 0
+
+#comment line below to enable effective jar compression
+#it could easily get your package size from 40 to 15Mb but
+#build time will substantially increase and it may require unpack200/system java to install
+%define __jar_repack %{nil}
+
+# on RHEL we got unwanted improved debugging enhancements
+%define _build_id_links none
+
+%define package_filelist %{_builddir}/%{name}.files
+%define app_filelist %{_builddir}/%{name}.app.files
+%define filesystem_filelist %{_builddir}/%{name}.filesystem.files
+
+%define default_filesystem / /opt /usr /usr/bin /usr/lib /usr/local /usr/local/bin /usr/local/lib
+
+%description
+Sparrow Server
+
+%global __os_install_post %{nil}
+
+%prep
+
+%build
+
+%install
+rm -rf %{buildroot}
+install -d -m 755 %{buildroot}/opt/sparrowserver
+cp -r %{_sourcedir}/opt/sparrowserver/* %{buildroot}/opt/sparrowserver
+if [ "$(echo %{_sourcedir}/lib/systemd/system/*.service)" != '%{_sourcedir}/lib/systemd/system/*.service' ]; then
+  install -d -m 755 %{buildroot}/lib/systemd/system
+  cp %{_sourcedir}/lib/systemd/system/*.service %{buildroot}/lib/systemd/system
+fi
+%if "x%{_rpmdir}/../../LICENSE" != "x"
+  %define license_install_file %{_defaultlicensedir}/%{name}-%{version}/%{basename:%{_rpmdir}/../../LICENSE}
+  install -d -m 755 "%{buildroot}%{dirname:%{license_install_file}}"
+  install -m 644 "%{_rpmdir}/../../LICENSE" "%{buildroot}%{license_install_file}"
+%endif
+(cd %{buildroot} && find . -path ./lib/systemd -prune -o -type d -print) | sed -e 's/^\.//' -e '/^$/d' | sort > %{app_filelist}
+{ rpm -ql filesystem || echo %{default_filesystem}; } | sort > %{filesystem_filelist}
+comm -23 %{app_filelist} %{filesystem_filelist} > %{package_filelist}
+sed -i -e 's/.*/%dir "&"/' %{package_filelist}
+(cd %{buildroot} && find . -not -type d) | sed -e 's/^\.//' -e 's/.*/"&"/' >> %{package_filelist}
+%if "x%{_rpmdir}/../../LICENSE" != "x"
+  sed -i -e 's|"%{license_install_file}"||' -e '/^$/d' %{package_filelist}
+%endif
+
+%files -f %{package_filelist}
+%if "x%{_rpmdir}/../../LICENSE" != "x"
+  %license "%{license_install_file}"
+%endif
+
+%post
+package_type=rpm
+
+%pre
+package_type=rpm
+
+%preun
+package_type=rpm
+
+%clean

src/main/deploy/package/linux-headless/x64/control

@@ -1,9 +0,0 @@
-Package: sparrow
-Version: 2.1.3-1
-Section: utils
-Maintainer: Craig Raw <mail@sparrowwallet.com>
-Priority: optional
-Architecture: amd64
-Provides: sparrow
-Description: Sparrow
-Depends: libc6, zlib1g

src/main/deploy/package/linux/Sparrow.desktop

@@ -1,8 +1,8 @@
 [Desktop Entry]
 Name=Sparrow
 Comment=Sparrow
-Exec=/opt/sparrow/bin/Sparrow %U
-Icon=/opt/sparrow/lib/Sparrow.png
+Exec=/opt/sparrowwallet/bin/Sparrow %U
+Icon=/opt/sparrowwallet/lib/Sparrow.png
 Terminal=false
 Type=Application
 Categories=Finance;Network;

src/main/deploy/package/linux/control

@@ -0,0 +1,12 @@
+Package: sparrowwallet
+Version: ${version}-1
+Section: utils
+Maintainer: Craig Raw <mail@sparrowwallet.com>
+Priority: optional
+Architecture: ${arch}
+Provides: sparrowwallet
+Conflicts: sparrow (<= 2.1.4)
+Replaces: sparrow (<= 2.1.4)
+Description: Sparrow Wallet
+Depends: libasound2, libbsd0, libc6, libmd0, libx11-6, libxau6, libxcb1, libxdmcp6, libxext6, libxi6, libxrender1, libxtst6, xdg-utils
+Installed-Size: ${size}

src/main/deploy/package/linux/postinst

@@ -1,5 +1,5 @@
 #!/bin/sh
-# postinst script for sparrow
+# postinst script for sparrowwallet
 #
 # see: dh_installdeb(1)
 
@@ -22,9 +22,9 @@ package_type=deb
 
 case "$1" in
     configure)
-        xdg-desktop-menu install /opt/sparrow/lib/sparrow-Sparrow.desktop
-        xdg-mime install /opt/sparrow/lib/sparrow-Sparrow-MimeInfo.xml
-        install -D -m 644 /opt/sparrow/lib/runtime/conf/udev/*.rules /etc/udev/rules.d
+        xdg-desktop-menu install /opt/sparrowwallet/lib/sparrowwallet-Sparrow.desktop
+        xdg-mime install /opt/sparrowwallet/lib/sparrowwallet-Sparrow-MimeInfo.xml
+        install -D -m 644 /opt/sparrowwallet/lib/runtime/conf/udev/*.rules /etc/udev/rules.d
         if ! getent group plugdev > /dev/null; then
             groupadd plugdev
         fi

src/main/deploy/package/linux/sparrowwallet.spec

@@ -1,19 +1,20 @@
 Summary: Sparrow
-Name: sparrow
-Version: 2.1.3
+Name: sparrowwallet
+Version: ${version}
 Release: 1
 License: ASL 2.0
 Vendor: Unknown
 
 %if "x" != "x"
-URL: 
+URL: https://sparrowwallet.com
 %endif
 
 %if "x/opt" != "x"
 Prefix: /opt
 %endif
 
-Provides: sparrow
+Provides: sparrowwallet
+Obsoletes: sparrow <= 2.1.4
 
 %if "xutils" != "x"
 Group: utils
@@ -40,7 +41,7 @@ Requires: xdg-utils
 %define default_filesystem / /opt /usr /usr/bin /usr/lib /usr/local /usr/local/bin /usr/local/lib
 
 %description
-Sparrow
+Sparrow Wallet
 
 %global __os_install_post %{nil}
 
@@ -50,8 +51,8 @@ Sparrow
 
 %install
 rm -rf %{buildroot}
-install -d -m 755 %{buildroot}/opt/sparrow
-cp -r %{_sourcedir}/opt/sparrow/* %{buildroot}/opt/sparrow
+install -d -m 755 %{buildroot}/opt/sparrowwallet
+cp -r %{_sourcedir}/opt/sparrowwallet/* %{buildroot}/opt/sparrowwallet
 if [ "$(echo %{_sourcedir}/lib/systemd/system/*.service)" != '%{_sourcedir}/lib/systemd/system/*.service' ]; then
   install -d -m 755 %{buildroot}/lib/systemd/system
   cp %{_sourcedir}/lib/systemd/system/*.service %{buildroot}/lib/systemd/system
@@ -77,9 +78,9 @@ sed -i -e 's/.*/%dir "&"/' %{package_filelist}
 
 %post
 package_type=rpm
-xdg-desktop-menu install /opt/sparrow/lib/sparrow-Sparrow.desktop
-xdg-mime install /opt/sparrow/lib/sparrow-Sparrow-MimeInfo.xml
-install -D -m 644 /opt/sparrow/lib/runtime/conf/udev/*.rules /etc/udev/rules.d
+xdg-desktop-menu install /opt/sparrowwallet/lib/sparrowwallet-Sparrow.desktop
+xdg-mime install /opt/sparrowwallet/lib/sparrowwallet-Sparrow-MimeInfo.xml
+install -D -m 644 /opt/sparrowwallet/lib/runtime/conf/udev/*.rules /etc/udev/rules.d
 if ! getent group plugdev > /dev/null; then
     groupadd plugdev
 fi
@@ -251,9 +252,9 @@ desktop_trace ()
   echo "$@"
 }
 
-do_if_file_belongs_to_single_package /opt/sparrow/lib/sparrow-Sparrow.desktop xdg-desktop-menu uninstall /opt/sparrow/lib/sparrow-Sparrow.desktop
-do_if_file_belongs_to_single_package /opt/sparrow/lib/sparrow-Sparrow-MimeInfo.xml xdg-mime uninstall /opt/sparrow/lib/sparrow-Sparrow-MimeInfo.xml
-do_if_file_belongs_to_single_package /opt/sparrow/lib/sparrow-Sparrow.desktop desktop_uninstall_default_mime_handler sparrow-Sparrow.desktop application/psbt application/bitcoin-transaction application/pgp-signature x-scheme-handler/bitcoin x-scheme-handler/auth47 x-scheme-handler/lightning
+do_if_file_belongs_to_single_package /opt/sparrowwallet/lib/sparrowwallet-Sparrow.desktop xdg-desktop-menu uninstall /opt/sparrowwallet/lib/sparrowwallet-Sparrow.desktop
+do_if_file_belongs_to_single_package /opt/sparrowwallet/lib/sparrowwallet-Sparrow-MimeInfo.xml xdg-mime uninstall /opt/sparrowwallet/lib/sparrowwallet-Sparrow-MimeInfo.xml
+do_if_file_belongs_to_single_package /opt/sparrowwallet/lib/sparrowwallet-Sparrow.desktop desktop_uninstall_default_mime_handler sparrowwallet-Sparrow.desktop application/psbt application/bitcoin-transaction application/pgp-signature x-scheme-handler/bitcoin x-scheme-handler/auth47 x-scheme-handler/lightning
 
 
 %clean

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

@@ -21,7 +21,7 @@
   <key>CFBundlePackageType</key>
   <string>APPL</string>
   <key>CFBundleShortVersionString</key>
-  <string>2.1.3</string>
+  <string>2.2.2</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

@@ -78,6 +78,7 @@ public class AppController implements Initializable {
     private static final Logger log = LoggerFactory.getLogger(AppController.class);
 
     public static final String DRAG_OVER_CLASS = "drag-over";
+    public static final int TAB_LABEL_MAX_WIDTH = 300;
     public static final double TAB_LABEL_GRAPHIC_OPACITY_INACTIVE = 0.8;
     public static final double TAB_LABEL_GRAPHIC_OPACITY_ACTIVE = 0.95;
     public static final String LOADING_TRANSACTIONS_MESSAGE = "Loading wallet, select Transactions tab to view...";
@@ -379,7 +380,7 @@ public class AppController implements Initializable {
         openWalletsInNewWindows.selectedProperty().bindBidirectional(openWalletsInNewWindowsProperty);
         hideEmptyUsedAddressesProperty.set(Config.get().isHideEmptyUsedAddresses());
         hideEmptyUsedAddresses.selectedProperty().bindBidirectional(hideEmptyUsedAddressesProperty);
-        useHdCameraResolutionProperty.set(Config.get().isHdCapture());
+        useHdCameraResolutionProperty.set(Config.get().getWebcamResolution() == null || Config.get().getWebcamResolution().isWidescreenAspect());
         useHdCameraResolution.selectedProperty().bindBidirectional(useHdCameraResolutionProperty);
         mirrorCameraImageProperty.set(Config.get().isMirrorCapture());
         mirrorCameraImage.selectedProperty().bindBidirectional(mirrorCameraImageProperty);
@@ -571,16 +572,16 @@ public class AppController implements Initializable {
 
     public void installUdevRules(ActionEvent event) {
         String commands = """
-                sudo install -m 644 /opt/sparrow/lib/runtime/conf/udev/*.rules /etc/udev/rules.d
+                sudo install -m 644 /opt/sparrowwallet/lib/runtime/conf/udev/*.rules /etc/udev/rules.d
                 sudo udevadm control --reload
                 sudo udevadm trigger
                 sudo groupadd -f plugdev
                 sudo usermod -aG plugdev `whoami`
                 """;
         String home = System.getProperty(JPACKAGE_APP_PATH);
-        if(home != null && !home.startsWith("/opt/sparrow") && home.endsWith("bin/Sparrow")) {
+        if(home != null && !home.startsWith("/opt/sparrowwallet") && home.endsWith("bin/Sparrow")) {
             home = home.replace("bin/Sparrow", "");
-            commands = commands.replace("/opt/sparrow/", home);
+            commands = commands.replace("/opt/sparrowwallet/", home);
         }
 
         TextAreaDialog dialog = new TextAreaDialog(commands, false);
@@ -944,7 +945,11 @@ public class AppController implements Initializable {
 
     public void useHdCameraResolution(ActionEvent event) {
         CheckMenuItem item = (CheckMenuItem)event.getSource();
-        Config.get().setHdCapture(item.isSelected());
+        if(Config.get().getWebcamResolution().isStandardAspect() && item.isSelected()) {
+            Config.get().setWebcamResolution(WebcamResolution.HD);
+        } else if(Config.get().getWebcamResolution().isWidescreenAspect() && !item.isSelected()) {
+            Config.get().setWebcamResolution(WebcamResolution.VGA);
+        }
     }
 
     public void mirrorCameraImage(ActionEvent event) {
@@ -1252,6 +1257,10 @@ public class AppController implements Initializable {
     }
 
     private void addImportedWallet(Wallet wallet) {
+        if(AppServices.disallowAnyInvalidDerivationPaths(wallet)) {
+            return;
+        }
+
         WalletNameDialog nameDlg = new WalletNameDialog(wallet.getName(), true, wallet.getBirthDate());
         nameDlg.initOwner(rootStack.getScene().getWindow());
         Optional<WalletNameDialog.NameAndBirthDate> optNameAndBirthDate = nameDlg.showAndWait();
@@ -1982,8 +1991,13 @@ public class AppController implements Initializable {
             glyph.setFontSize(10.0);
             glyph.setOpacity(TAB_LABEL_GRAPHIC_OPACITY_ACTIVE);
             Label tabLabel = new Label(tabName);
+            tabLabel.setMaxWidth(TAB_LABEL_MAX_WIDTH);
             tabLabel.setGraphic(glyph);
             tabLabel.setGraphicTextGap(5.0);
+            if(TextUtils.computeTextWidth(tabLabel.getFont(), tabName, 0.0D) > TAB_LABEL_MAX_WIDTH) {
+                Tooltip tooltip = new Tooltip(tabName);
+                tabLabel.setTooltip(tooltip);
+            }
             tab.setGraphic(tabLabel);
             tab.setContextMenu(getTabContextMenu(tab));
             tab.setClosable(true);
@@ -2620,7 +2634,6 @@ public class AppController implements Initializable {
                     }
                 });
 
-                Image image = new Image("image/sparrow-small.png", 50, 50, false, false);
                 String walletName = event.getWallet().getFullDisplayName();
                 if(walletName.length() > 40) {
                     walletName = walletName.substring(0, 40) + "...";
@@ -2629,10 +2642,10 @@ public class AppController implements Initializable {
                 Notifications notificationBuilder = Notifications.create()
                         .title("Sparrow - " + walletName)
                         .text(text)
-                        .graphic(new ImageView(image))
+                        .graphic(new DialogImage(DialogImage.Type.SPARROW))
                         .hideAfter(Duration.seconds(15))
                         .position(Pos.TOP_RIGHT)
-                        .threshold(5, Notifications.create().title("Sparrow").text("Multiple new wallet transactions").graphic(new ImageView(image)))
+                        .threshold(5, Notifications.create().title("Sparrow").text("Multiple new wallet transactions").graphic(new DialogImage(DialogImage.Type.SPARROW)))
                         .onAction(e -> selectTab(event.getWallet()));
 
                 //If controlsfx can't find our window, we must set the window ourselves (unfortunately notification is then shown within this window)
@@ -2873,6 +2886,7 @@ public class AppController implements Initializable {
             }
         } else if(event.isCompleted()) {
             serverToggle.setDisable(false);
+            statusBar.setProgress(0);
             if(statusBar.getText().startsWith("Scanning...")) {
                 statusBar.setText("");
             }
@@ -3146,7 +3160,7 @@ public class AppController implements Initializable {
 
     @Subscribe
     public void webcamResolutionChanged(WebcamResolutionChangedEvent event) {
-        useHdCameraResolutionProperty.set(event.isHdResolution());
+        useHdCameraResolutionProperty.set(event.getResolution().isWidescreenAspect());
     }
 
     @Subscribe

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

@@ -13,6 +13,7 @@ import com.sparrowwallet.drongo.crypto.InvalidPasswordException;
 import com.sparrowwallet.drongo.crypto.Key;
 import com.sparrowwallet.drongo.policy.PolicyType;
 import com.sparrowwallet.drongo.wallet.*;
+import com.sparrowwallet.sparrow.control.DialogImage;
 import com.sparrowwallet.sparrow.control.WalletPasswordDialog;
 import com.sparrowwallet.sparrow.glyphfont.FontAwesome5;
 import com.sparrowwallet.sparrow.net.Auth47;
@@ -25,6 +26,8 @@ import com.sparrowwallet.sparrow.control.TrayManager;
 import com.sparrowwallet.sparrow.event.*;
 import com.sparrowwallet.sparrow.io.*;
 import com.sparrowwallet.sparrow.net.*;
+import io.reactivex.rxjavafx.schedulers.JavaFxScheduler;
+import io.reactivex.subjects.PublishSubject;
 import javafx.application.Application;
 import javafx.application.Platform;
 import javafx.beans.property.BooleanProperty;
@@ -42,7 +45,6 @@ import javafx.scene.Scene;
 import javafx.scene.control.*;
 import javafx.scene.control.Dialog;
 import javafx.scene.image.Image;
-import javafx.scene.image.ImageView;
 import javafx.scene.input.KeyCode;
 import javafx.scene.text.Font;
 import javafx.stage.Screen;
@@ -66,6 +68,8 @@ import java.time.ZonedDateTime;
 import java.time.temporal.ChronoUnit;
 import java.util.*;
 import java.util.List;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
 import static com.sparrowwallet.sparrow.control.DownloadVerifierDialog.*;
@@ -104,6 +108,8 @@ public class AppServices {
 
     private TrayManager trayManager;
 
+    private final PublishSubject<NewBlockEvent> newBlockSubject = PublishSubject.create();
+
     private static Image windowIcon;
 
     private static final BooleanProperty onlineProperty = new SimpleBooleanProperty(false);
@@ -126,8 +132,12 @@ public class AppServices {
 
     private static BlockHeader latestBlockHeader;
 
+    private static final Map<Integer, BlockSummary> blockSummaries = new ConcurrentHashMap<>();
+
     private static Map<Integer, Double> targetBlockFeeRates;
 
+    private static Double nextBlockMedianFeeRate;
+
     private static final TreeMap<Date, Set<MempoolRateSize>> mempoolHistogram = new TreeMap<>();
 
     private static Double minimumRelayFeeRate;
@@ -182,6 +192,12 @@ public class AppServices {
     private AppServices(Application application, InteractionServices interactionServices) {
         this.application = application;
         this.interactionServices = interactionServices;
+
+        newBlockSubject.buffer(4, TimeUnit.SECONDS)
+                .filter(newBlockEvents -> !newBlockEvents.isEmpty())
+                .observeOn(JavaFxScheduler.platform())
+                .subscribe(this::fetchBlockSummaries, exception -> log.error("Error fetching block summaries", exception));
+
         EventManager.get().register(this);
     }
 
@@ -261,7 +277,7 @@ public class AppServices {
         }
 
         if(Tor.getDefault() != null) {
-            Tor.getDefault().getTorManager().destroy(true, success -> {});
+            Tor.getDefault().close();
         }
     }
 
@@ -291,12 +307,6 @@ public class AppServices {
             if(event != null) {
                 EventManager.get().post(event);
             }
-
-            FeeRatesSource feeRatesSource = Config.get().getFeeRatesSource();
-            feeRatesSource = (feeRatesSource == null ? FeeRatesSource.MEMPOOL_SPACE : feeRatesSource);
-            if(event instanceof ConnectionEvent && feeRatesSource.supportsNetwork(Network.get()) && feeRatesSource.isExternal()) {
-                EventManager.get().post(new FeeRatesSourceChangedEvent(feeRatesSource));
-            }
         });
         connectionService.setOnFailed(failEvent -> {
             //Close connection here to create a new transport next time we try
@@ -480,6 +490,26 @@ public class AppServices {
         }
     }
 
+    private void fetchFeeRates() {
+        if(feeRatesService != null && !feeRatesService.isRunning() && Config.get().getMode() != Mode.OFFLINE) {
+            feeRatesService = createFeeRatesService();
+            feeRatesService.start();
+        }
+    }
+
+    private void fetchBlockSummaries(List<NewBlockEvent> newBlockEvents) {
+        if(isConnected()) {
+            ElectrumServer.BlockSummaryService blockSummaryService = new ElectrumServer.BlockSummaryService(newBlockEvents);
+            blockSummaryService.setOnSucceeded(_ -> {
+                EventManager.get().post(blockSummaryService.getValue());
+            });
+            blockSummaryService.setOnFailed(failedState -> {
+                log.error("Error fetching block summaries", failedState.getSource().getException());
+            });
+            blockSummaryService.start();
+        }
+    }
+
     public static boolean isTorRunning() {
         return Tor.getDefault() != null;
     }
@@ -705,6 +735,10 @@ public class AppServices {
         return latestBlockHeader;
     }
 
+    public static Map<Integer, BlockSummary> getBlockSummaries() {
+        return blockSummaries;
+    }
+
     public static Double getDefaultFeeRate() {
         int defaultTarget = TARGET_BLOCKS_RANGE.get((TARGET_BLOCKS_RANGE.size() / 2) - 1);
         return getTargetBlockFeeRates() == null ? getFallbackFeeRate() : getTargetBlockFeeRates().get(defaultTarget);
@@ -716,6 +750,10 @@ public class AppServices {
         return Math.max(minRate, Transaction.DUST_RELAY_TX_FEE);
     }
 
+    public static Double getNextBlockMedianFeeRate() {
+        return nextBlockMedianFeeRate == null ? getDefaultFeeRate() : nextBlockMedianFeeRate;
+    }
+
     public static double getFallbackFeeRate() {
         return Network.get() == Network.MAINNET ? FALLBACK_FEE_RATE : TESTNET_FALLBACK_FEE_RATE;
     }
@@ -1095,8 +1133,7 @@ public class AppServices {
             walletChoiceDialog.initOwner(getActiveWindow());
             walletChoiceDialog.setTitle("Choose Wallet");
             walletChoiceDialog.setHeaderText("Choose a wallet to " + actionDescription);
-            Image image = new Image("/image/sparrow-small.png");
-            walletChoiceDialog.getDialogPane().setGraphic(new ImageView(image));
+            walletChoiceDialog.getDialogPane().setGraphic(new DialogImage(DialogImage.Type.SPARROW));
             setStageIcon(walletChoiceDialog.getDialogPane().getScene().getWindow());
             moveToActiveWindowScreen(walletChoiceDialog);
             Optional<Wallet> optWallet = walletChoiceDialog.showAndWait();
@@ -1108,6 +1145,31 @@ public class AppServices {
         return wallet;
     }
 
+    public static boolean disallowAnyInvalidDerivationPaths(Wallet wallet) {
+        Optional<ScriptType> optInvalidScriptType = wallet.getKeystores().stream()
+                .filter(keystore -> keystore.getKeyDerivation() != null)
+                .map(keystore -> wallet.getOtherScriptTypeMatchingDerivation(keystore.getKeyDerivation().getDerivationPath()))
+                .filter(Optional::isPresent).map(Optional::get).findFirst();
+        if(optInvalidScriptType.isPresent()) {
+            ScriptType invalidScriptType = optInvalidScriptType.get();
+            boolean includePolicyType = !wallet.getScriptType().getAllowedPolicyTypes().getFirst().equals(invalidScriptType.getAllowedPolicyTypes().getFirst());
+            Optional<ButtonType> optType = AppServices.showWarningDialog("Invalid derivation path", "This wallet is using the derivation path for " +
+                    invalidScriptType.getDescription(includePolicyType) + ", instead of the derivation path for its defined script type of " + wallet.getScriptType().getDescription(includePolicyType) +
+                    ". \n\nDisable derivation path validation to import this wallet?", ButtonType.NO, ButtonType.YES);
+            if(optType.isPresent()) {
+                if(optType.get() == ButtonType.YES) {
+                    Config.get().setValidateDerivationPaths(false);
+                    System.setProperty(Wallet.ALLOW_DERIVATIONS_MATCHING_OTHER_SCRIPT_TYPES_PROPERTY, Boolean.toString(true));
+                    System.setProperty(Wallet.ALLOW_DERIVATIONS_MATCHING_OTHER_NETWORKS_PROPERTY, Boolean.toString(true));
+                } else {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
     public static final List<Network> WHIRLPOOL_NETWORKS = List.of(Network.MAINNET, Network.TESTNET);
 
     public static boolean isWhirlpoolCompatible(Wallet wallet) {
@@ -1160,6 +1222,16 @@ public class AppServices {
         minimumRelayFeeRate = Math.max(event.getMinimumRelayFeeRate(), Transaction.DEFAULT_MIN_RELAY_FEE);
         latestBlockHeader = event.getBlockHeader();
         Config.get().addRecentServer();
+
+        FeeRatesSource feeRatesSource = Config.get().getFeeRatesSource();
+        feeRatesSource = (feeRatesSource == null ? FeeRatesSource.MEMPOOL_SPACE : feeRatesSource);
+        if(feeRatesSource.supportsNetwork(Network.get()) && feeRatesSource.isExternal()) {
+            fetchFeeRates();
+        }
+
+        if(!blockSummaries.containsKey(currentBlockHeight)) {
+            fetchBlockSummaries(Collections.emptyList());
+        }
     }
 
     @Subscribe
@@ -1174,11 +1246,22 @@ public class AppServices {
         latestBlockHeader = event.getBlockHeader();
         String status = "Updating to new block height " + event.getHeight();
         EventManager.get().post(new StatusEvent(status));
+        newBlockSubject.onNext(event);
+    }
+
+    @Subscribe
+    public void blockSummary(BlockSummaryEvent event) {
+        blockSummaries.putAll(event.getBlockSummaryMap());
+        if(AppServices.currentBlockHeight != null) {
+            blockSummaries.keySet().removeIf(height -> AppServices.currentBlockHeight - height > 5);
+        }
+        nextBlockMedianFeeRate = event.getNextBlockMedianFeeRate();
     }
 
     @Subscribe
     public void feesUpdated(FeeRatesUpdatedEvent event) {
         targetBlockFeeRates = event.getTargetBlockFeeRates();
+        nextBlockMedianFeeRate = event.getNextBlockMedianFeeRate();
     }
 
     @Subscribe
@@ -1191,10 +1274,8 @@ public class AppServices {
     @Subscribe
     public void feeRateSourceChanged(FeeRatesSourceChangedEvent event) {
         //Perform once-off fee rates retrieval to immediately change displayed rates
-        if(feeRatesService != null && !feeRatesService.isRunning() && Config.get().getMode() != Mode.OFFLINE) {
-            feeRatesService = createFeeRatesService();
-            feeRatesService.start();
-        }
+        fetchFeeRates();
+        fetchBlockSummaries(Collections.emptyList());
     }
 
     @Subscribe

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

@@ -0,0 +1,76 @@
+package com.sparrowwallet.sparrow;
+
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import java.util.Date;
+import java.util.Optional;
+
+public class BlockSummary implements Comparable<BlockSummary> {
+    private final Integer height;
+    private final Date timestamp;
+    private final Double medianFee;
+    private final Integer transactionCount;
+    private final Integer weight;
+
+    public BlockSummary(Integer height, Date timestamp) {
+        this(height, timestamp, null, null, null);
+    }
+
+    public BlockSummary(Integer height, Date timestamp, Double medianFee, Integer transactionCount, Integer weight) {
+        this.height = height;
+        this.timestamp = timestamp;
+        this.medianFee = medianFee;
+        this.transactionCount = transactionCount;
+        this.weight = weight;
+    }
+
+    public Integer getHeight() {
+        return height;
+    }
+
+    public Date getTimestamp() {
+        return timestamp;
+    }
+
+    public Optional<Double> getMedianFee() {
+        return medianFee == null ? Optional.empty() : Optional.of(medianFee);
+    }
+
+    public Optional<Integer> getTransactionCount() {
+        return transactionCount == null ? Optional.empty() : Optional.of(transactionCount);
+    }
+
+    public Optional<Integer> getWeight() {
+        return weight == null ? Optional.empty() : Optional.of(weight);
+    }
+
+    private static long calculateElapsedSeconds(long timestampUtc) {
+        Instant timestampInstant = Instant.ofEpochMilli(timestampUtc);
+        Instant nowInstant = Instant.now();
+        return ChronoUnit.SECONDS.between(timestampInstant, nowInstant);
+    }
+
+    public String getElapsed() {
+        long elapsed = calculateElapsedSeconds(getTimestamp().getTime());
+        if(elapsed < 0) {
+            return "now";
+        } else if(elapsed < 60) {
+            return elapsed + "s";
+        } else if(elapsed < 3600) {
+            return elapsed / 60 + "m";
+        } else if(elapsed < 86400) {
+            return elapsed / 3600 + "h";
+        } else {
+            return elapsed / 86400 + "d";
+        }
+    }
+
+    public String toString() {
+        return getElapsed() + ":" + getMedianFee();
+    }
+
+    @Override
+    public int compareTo(BlockSummary o) {
+        return o.height - height;
+    }
+}

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

@@ -72,10 +72,6 @@ public class SparrowDesktop extends Application {
             Config.get().setServerType(ServerType.ELECTRUM_SERVER);
         }
 
-        if(Config.get().getHdCapture() == null && OsType.getCurrent() == OsType.MACOS) {
-            Config.get().setHdCapture(Boolean.TRUE);
-        }
-
         System.setProperty(Wallet.ALLOW_DERIVATIONS_MATCHING_OTHER_SCRIPT_TYPES_PROPERTY, Boolean.toString(!Config.get().isValidateDerivationPaths()));
         System.setProperty(Wallet.ALLOW_DERIVATIONS_MATCHING_OTHER_NETWORKS_PROPERTY, Boolean.toString(!Config.get().isValidateDerivationPaths()));
 

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

@@ -18,7 +18,7 @@ import java.util.*;
 public class SparrowWallet {
     public static final String APP_ID = "sparrow";
     public static final String APP_NAME = "Sparrow";
-    public static final String APP_VERSION = "2.1.3";
+    public static final String APP_VERSION = "2.2.2";
     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/WelcomeDialog.java

@@ -21,7 +21,7 @@ public class WelcomeDialog extends Dialog<Mode> {
             welcomeController.initializeView();
 
             dialogPane.setPrefWidth(600);
-            dialogPane.setPrefHeight(520);
+            dialogPane.setPrefHeight(540);
             dialogPane.setMinHeight(dialogPane.getPrefHeight());
             AppServices.moveToActiveWindowScreen(this);
 

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

@@ -0,0 +1,372 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.sparrowwallet.drongo.Network;
+import com.sparrowwallet.drongo.protocol.Transaction;
+import com.sparrowwallet.sparrow.BlockSummary;
+import com.sparrowwallet.sparrow.io.Config;
+import com.sparrowwallet.sparrow.net.FeeRatesSource;
+import javafx.animation.KeyFrame;
+import javafx.animation.KeyValue;
+import javafx.animation.Timeline;
+import javafx.beans.property.*;
+import javafx.scene.Group;
+import javafx.scene.shape.Polygon;
+import javafx.scene.shape.Rectangle;
+import javafx.scene.text.Font;
+import javafx.scene.text.FontWeight;
+import javafx.scene.text.Text;
+import javafx.scene.text.TextFlow;
+import javafx.util.Duration;
+import org.girod.javafx.svgimage.SVGImage;
+
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import java.util.List;
+
+public class BlockCube extends Group {
+    public static final List<Integer> MEMPOOL_FEE_RATES_INTERVALS = List.of(1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200, 250, 300, 350, 400, 500, 600, 700, 800, 900, 1000, 1200, 1400, 1600, 1800, 2000);
+
+    public static final double CUBE_SIZE = 60;
+
+    private final IntegerProperty weightProperty = new SimpleIntegerProperty(0);
+    private final DoubleProperty medianFeeProperty = new SimpleDoubleProperty(-Double.MAX_VALUE);
+    private final IntegerProperty heightProperty = new SimpleIntegerProperty(0);
+    private final IntegerProperty txCountProperty = new SimpleIntegerProperty(0);
+    private final LongProperty timestampProperty = new SimpleLongProperty(System.currentTimeMillis());
+    private final StringProperty elapsedProperty = new SimpleStringProperty("");
+    private final BooleanProperty confirmedProperty = new SimpleBooleanProperty(false);
+    private final ObjectProperty<FeeRatesSource> feeRatesSource = new SimpleObjectProperty<>(null);
+
+    private Polygon front;
+    private Rectangle unusedArea;
+    private Rectangle usedArea;
+
+    private final Text heightText = new Text();
+    private final Text medianFeeText = new Text();
+    private final Text unitsText = new Text();
+    private final TextFlow medianFeeTextFlow = new TextFlow();
+    private final Text txCountText = new Text();
+    private final Text elapsedText = new Text();
+    private final Group feeRateIcon = new Group();
+
+    public BlockCube(Integer weight, Double medianFee, Integer height, Integer txCount, Long timestamp, boolean confirmed) {
+        getStyleClass().addAll("block-" + Network.getCanonical().getName(), "block-cube");
+        this.confirmedProperty.set(confirmed);
+
+        FeeRatesSource feeRatesSource = Config.get().getFeeRatesSource();
+        feeRatesSource = (feeRatesSource == null ? FeeRatesSource.MEMPOOL_SPACE : feeRatesSource);
+        this.feeRatesSource.set(feeRatesSource);
+
+        this.weightProperty.addListener((_, _, _) -> {
+            if(front != null) {
+                updateFill();
+            }
+        });
+        this.medianFeeProperty.addListener((_, _, newValue) -> {
+            medianFeeText.setText(newValue.doubleValue() < 0.0d ? "" : "~" + Math.round(Math.max(newValue.doubleValue(), 1.0d)));
+            unitsText.setText(newValue.doubleValue() < 0.0d ? "" : " s/vb");
+            double medianFeeWidth = TextUtils.computeTextWidth(medianFeeText.getFont(), medianFeeText.getText(), 0.0d);
+            double unitsWidth = TextUtils.computeTextWidth(unitsText.getFont(), unitsText.getText(), 0.0d);
+            medianFeeTextFlow.setTranslateX((CUBE_SIZE - (medianFeeWidth + unitsWidth)) / 2);
+        });
+        this.txCountProperty.addListener((_, _, newValue) -> {
+            txCountText.setText(newValue.intValue() == 0 ? "" : newValue + " txes");
+            txCountText.setX((CUBE_SIZE - txCountText.getLayoutBounds().getWidth()) / 2);
+        });
+        this.timestampProperty.addListener((_, _, newValue) -> {
+            elapsedProperty.set(getElapsed(newValue.longValue()));
+        });
+        this.elapsedProperty.addListener((_, _, newValue) -> {
+            elapsedText.setText(isConfirmed() ? newValue : "In ~10m");
+            elapsedText.setX((CUBE_SIZE - elapsedText.getLayoutBounds().getWidth()) / 2);
+        });
+        this.heightProperty.addListener((_, _, newValue) -> {
+            heightText.setText(newValue.intValue() == 0 ? "" : String.valueOf(newValue));
+            heightText.setX(((CUBE_SIZE * 0.7) - heightText.getLayoutBounds().getWidth()) / 2);
+        });
+        this.confirmedProperty.addListener((_, _, _) -> {
+            if(front != null) {
+                updateFill();
+            }
+        });
+        this.feeRatesSource.addListener((_, _, _) -> {
+            if(front != null) {
+                updateFill();
+            }
+        });
+        this.medianFeeText.textProperty().addListener((_, _, _) -> {
+            pulse();
+        });
+
+        if(weight != null) {
+            this.weightProperty.set(weight);
+        }
+        if(medianFee != null) {
+            this.medianFeeProperty.set(medianFee);
+        }
+        if(height != null) {
+            this.heightProperty.set(height);
+        }
+        if(txCount != null) {
+            this.txCountProperty.set(txCount);
+        }
+        if(timestamp != null) {
+            this.timestampProperty.set(timestamp);
+        }
+
+        drawCube();
+    }
+
+    private void drawCube() {
+        double depth = CUBE_SIZE * 0.2;
+        double perspective = CUBE_SIZE * 0.04;
+
+        front = new Polygon(0, 0, CUBE_SIZE, 0, CUBE_SIZE, CUBE_SIZE, 0, CUBE_SIZE);
+        front.getStyleClass().add("block-front");
+        front.setFill(null);
+        unusedArea = new Rectangle(0, 0, CUBE_SIZE, CUBE_SIZE);
+        unusedArea.getStyleClass().add("block-unused");
+        usedArea = new Rectangle(0, 0, CUBE_SIZE, CUBE_SIZE);
+        usedArea.getStyleClass().add("block-used");
+
+        Group frontFaceGroup = new Group(front, unusedArea, usedArea);
+
+        Polygon top = new Polygon(0, 0, CUBE_SIZE, 0, CUBE_SIZE - depth - perspective, -depth, -depth, -depth);
+        top.getStyleClass().add("block-top");
+        top.setStroke(null);
+
+        Polygon left = new Polygon(0, 0, -depth, -depth, -depth, CUBE_SIZE - depth - perspective, 0, CUBE_SIZE);
+        left.getStyleClass().add("block-left");
+        left.setStroke(null);
+
+        updateFill();
+
+        heightText.getStyleClass().add("block-height");
+        heightText.setFont(new Font(11));
+        heightText.setX(((CUBE_SIZE * 0.7) - heightText.getLayoutBounds().getWidth()) / 2);
+        heightText.setY(-24);
+
+        medianFeeText.getStyleClass().add("block-text");
+        medianFeeText.setFont(Font.font(null, FontWeight.BOLD, 11));
+        unitsText.getStyleClass().add("block-text");
+        unitsText.setFont(new Font(10));
+        medianFeeTextFlow.getChildren().addAll(medianFeeText, unitsText);
+        medianFeeTextFlow.setTranslateX((CUBE_SIZE - (medianFeeText.getLayoutBounds().getWidth() + unitsText.getLayoutBounds().getWidth())) / 2);
+        medianFeeTextFlow.setTranslateY(7);
+
+        txCountText.getStyleClass().add("block-text");
+        txCountText.setFont(new Font(10));
+        txCountText.setOpacity(0.7);
+        txCountText.setX((CUBE_SIZE - txCountText.getLayoutBounds().getWidth()) / 2);
+        txCountText.setY(34);
+
+        feeRateIcon.setTranslateX(((CUBE_SIZE * 0.7) - 14) / 2);
+        feeRateIcon.setTranslateY(-36);
+
+        elapsedText.getStyleClass().add("block-text");
+        elapsedText.setFont(new Font(10));
+        elapsedText.setX((CUBE_SIZE - elapsedText.getLayoutBounds().getWidth()) / 2);
+        elapsedText.setY(50);
+
+        getChildren().addAll(frontFaceGroup, top, left, heightText, medianFeeTextFlow, txCountText, feeRateIcon, elapsedText);
+    }
+
+    private void updateFill() {
+        if(isConfirmed()) {
+            getStyleClass().removeAll("block-unconfirmed");
+            if(!getStyleClass().contains("block-confirmed")) {
+                getStyleClass().add("block-confirmed");
+            }
+            double startY = 1 - weightProperty.doubleValue() / (Transaction.MAX_BLOCK_SIZE_VBYTES * Transaction.WITNESS_SCALE_FACTOR);
+            double startYAbsolute = startY * BlockCube.CUBE_SIZE;
+            unusedArea.setHeight(startYAbsolute);
+            unusedArea.setStyle(null);
+            usedArea.setY(startYAbsolute);
+            usedArea.setHeight(CUBE_SIZE - startYAbsolute);
+            usedArea.setVisible(true);
+            heightText.setVisible(true);
+            feeRateIcon.getChildren().clear();
+        } else {
+            getStyleClass().removeAll("block-confirmed");
+            if(!getStyleClass().contains("block-unconfirmed")) {
+                getStyleClass().add("block-unconfirmed");
+            }
+            usedArea.setVisible(false);
+            unusedArea.setStyle("-fx-fill: " + getFeeRateStyleName() + ";");
+            heightText.setVisible(false);
+            if(feeRatesSource.get() != null) {
+                SVGImage svgImage = feeRatesSource.get().getSVGImage();
+                if(svgImage != null) {
+                    feeRateIcon.getChildren().setAll(feeRatesSource.get().getSVGImage());
+                } else {
+                    feeRateIcon.getChildren().clear();
+                }
+            } else {
+                feeRateIcon.getChildren().clear();
+            }
+        }
+    }
+
+    public void pulse() {
+        if(isConfirmed()) {
+            return;
+        }
+
+        if(unusedArea != null) {
+            unusedArea.setStyle("-fx-fill: " + getFeeRateStyleName() + ";");
+        }
+
+        Timeline timeline = new Timeline(
+                new KeyFrame(Duration.ZERO, new KeyValue(opacityProperty(), 1.0)),
+                new KeyFrame(Duration.millis(500), new KeyValue(opacityProperty(), 0.7)),
+                new KeyFrame(Duration.millis(1000), new KeyValue(opacityProperty(), 1.0))
+        );
+
+        timeline.setCycleCount(1);
+        timeline.play();
+    }
+
+    private static long calculateElapsedSeconds(long timestampUtc) {
+        Instant timestampInstant = Instant.ofEpochMilli(timestampUtc);
+        Instant nowInstant = Instant.now();
+        return ChronoUnit.SECONDS.between(timestampInstant, nowInstant);
+    }
+
+    public static String getElapsed(long timestampUtc) {
+        long elapsed = calculateElapsedSeconds(timestampUtc);
+        if(elapsed < 60) {
+            return "Just now";
+        } else if(elapsed < 3600) {
+            return Math.round(elapsed / 60f) + "m ago";
+        } else if(elapsed < 86400) {
+            return Math.round(elapsed / 3600f) + "h ago";
+        } else {
+            return Math.round(elapsed / 86400d) + "d ago";
+        }
+    }
+
+    private String getFeeRateStyleName() {
+        double rate = getMedianFee();
+        int[] feeRateInterval = getFeeRateInterval(rate);
+        if(feeRateInterval[1] == Integer.MAX_VALUE) {
+            return "VSIZE2000-2200_COLOR";
+        }
+        int[] nextRateInterval = getFeeRateInterval(rate * 2);
+        String from = "VSIZE" + feeRateInterval[0] + "-" + feeRateInterval[1] + "_COLOR";
+        String to = "VSIZE" + nextRateInterval[0] + "-" + (nextRateInterval[1] == Integer.MAX_VALUE ? "2200" : nextRateInterval[1]) + "_COLOR";
+        return "linear-gradient(from 75% 0% to 100% 0%, " + from + " 0%, " + to + " 100%, " + from +")";
+    }
+
+    private int[] getFeeRateInterval(double medianFee) {
+        for(int i = 0; i < MEMPOOL_FEE_RATES_INTERVALS.size(); i++) {
+            int feeRate = MEMPOOL_FEE_RATES_INTERVALS.get(i);
+            int nextFeeRate = (i == MEMPOOL_FEE_RATES_INTERVALS.size() - 1 ? Integer.MAX_VALUE : MEMPOOL_FEE_RATES_INTERVALS.get(i + 1));
+            if(feeRate <= medianFee && nextFeeRate > medianFee) {
+                return new int[] { feeRate, nextFeeRate };
+            }
+        }
+
+        return new int[] { 1, 2 };
+    }
+
+    public int getWeight() {
+        return weightProperty.get();
+    }
+
+    public IntegerProperty weightProperty() {
+        return weightProperty;
+    }
+
+    public void setWeight(int weight) {
+        weightProperty.set(weight);
+    }
+
+    public double getMedianFee() {
+        return medianFeeProperty.get();
+    }
+
+    public DoubleProperty medianFee() {
+        return medianFeeProperty;
+    }
+
+    public void setMedianFee(double medianFee) {
+        medianFeeProperty.set(medianFee);
+    }
+
+    public int getHeight() {
+        return heightProperty.get();
+    }
+
+    public IntegerProperty heightProperty() {
+        return heightProperty;
+    }
+
+    public void setHeight(int height) {
+        heightProperty.set(height);
+    }
+
+    public int getTxCount() {
+        return txCountProperty.get();
+    }
+
+    public IntegerProperty txCountProperty() {
+        return txCountProperty;
+    }
+
+    public void setTxCount(int txCount) {
+        txCountProperty.set(txCount);
+    }
+
+    public long getTimestamp() {
+        return timestampProperty.get();
+    }
+
+    public LongProperty timestampProperty() {
+        return timestampProperty;
+    }
+
+    public void setTimestamp(long timestamp) {
+        timestampProperty.set(timestamp);
+    }
+
+    public String getElapsed() {
+        return elapsedProperty.get();
+    }
+
+    public StringProperty elapsedProperty() {
+        return elapsedProperty;
+    }
+
+    public void setElapsed(String elapsed) {
+        elapsedProperty.set(elapsed);
+    }
+
+    public boolean isConfirmed() {
+        return confirmedProperty.get();
+    }
+
+    public BooleanProperty confirmedProperty() {
+        return confirmedProperty;
+    }
+
+    public void setConfirmed(boolean confirmed) {
+        confirmedProperty.set(confirmed);
+    }
+
+    public FeeRatesSource getFeeRatesSource() {
+        return feeRatesSource.get();
+    }
+
+    public ObjectProperty<FeeRatesSource> feeRatesSourceProperty() {
+        return feeRatesSource;
+    }
+
+    public void setFeeRatesSource(FeeRatesSource feeRatesSource) {
+        this.feeRatesSource.set(feeRatesSource);
+    }
+
+    public static BlockCube fromBlockSummary(BlockSummary blockSummary) {
+        return new BlockCube(blockSummary.getWeight().orElse(0), blockSummary.getMedianFee().orElse(-1.0d), blockSummary.getHeight(),
+                blockSummary.getTransactionCount().orElse(0), blockSummary.getTimestamp().getTime(), true);
+    }
+}

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

@@ -48,7 +48,7 @@ public class CardImportPane extends TitledDescriptionPane {
     private final SimpleStringProperty pin = new SimpleStringProperty("");
 
     public CardImportPane(Wallet wallet, KeystoreCardImport importer, KeyDerivation requiredDerivation) {
-        super(importer.getName(), "Place card on reader", importer.getKeystoreImportDescription(getAccount(wallet, requiredDerivation)), "image/" + importer.getWalletModel().getType() + ".png");
+        super(importer.getName(), "Place card on reader", importer.getKeystoreImportDescription(getAccount(wallet, requiredDerivation)), importer.getWalletModel());
         this.importer = importer;
         this.derivation = requiredDerivation == null ? wallet.getScriptType().getDefaultDerivation() : requiredDerivation.getDerivation();
     }

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

@@ -225,6 +225,13 @@ public class CoinTreeTable extends TreeTableView<Entry> {
         walletTableEvents.skip(3, TimeUnit.SECONDS).subscribe(event -> {
             event.getWallet().getWalletTables().put(event.getTableType(), event.getWalletTable());
             EventManager.get().post(event);
+
+            //Reset pref widths here so window resizes don't cause reversion to previously set pref widths
+            Double[] widths = event.getWalletTable().getWidths();
+            for(int i = 0; i < getColumns().size(); i++) {
+                TreeTableColumn<Entry, ?> column = getColumns().get(i);
+                column.setPrefWidth(widths != null && getColumns().size() == widths.length ? widths[i] : STANDARD_WIDTH);
+            }
         });
     }
 

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

@@ -75,7 +75,7 @@ public class DevicePane extends TitledDescriptionPane {
     private boolean defaultDevice;
 
     public DevicePane(Wallet wallet, Device device, boolean defaultDevice, KeyDerivation requiredDerivation) {
-        super(device.getModel().toDisplayString(), "", "", "image/" + device.getType() + ".png");
+        super(device.getModel().toDisplayString(), "", "", device.getModel());
         this.deviceOperation = DeviceOperation.IMPORT;
         this.wallet = wallet;
         this.psbt = null;
@@ -102,7 +102,7 @@ public class DevicePane extends TitledDescriptionPane {
     }
 
     public DevicePane(Wallet wallet, PSBT psbt, Device device, boolean defaultDevice) {
-        super(device.getModel().toDisplayString(), "", "", "image/" + device.getType() + ".png");
+        super(device.getModel().toDisplayString(), "", "", device.getModel());
         this.deviceOperation = DeviceOperation.SIGN;
         this.wallet = wallet;
         this.psbt = psbt;
@@ -129,7 +129,7 @@ public class DevicePane extends TitledDescriptionPane {
     }
 
     public DevicePane(Wallet wallet, OutputDescriptor outputDescriptor, Device device, boolean defaultDevice) {
-        super(device.getModel().toDisplayString(), "", "", "image/" + device.getType() + ".png");
+        super(device.getModel().toDisplayString(), "", "", device.getModel());
         this.deviceOperation = DeviceOperation.DISPLAY_ADDRESS;
         this.wallet = wallet;
         this.psbt = null;
@@ -152,7 +152,7 @@ public class DevicePane extends TitledDescriptionPane {
     }
 
     public DevicePane(Wallet wallet, String message, KeyDerivation keyDerivation, Device device, boolean defaultDevice) {
-        super(device.getModel().toDisplayString(), "", "", "image/" + device.getType() + ".png");
+        super(device.getModel().toDisplayString(), "", "", device.getModel());
         this.deviceOperation = DeviceOperation.SIGN_MESSAGE;
         this.wallet = wallet;
         this.psbt = null;
@@ -179,7 +179,7 @@ public class DevicePane extends TitledDescriptionPane {
     }
 
     public DevicePane(Wallet wallet, List<StandardAccount> availableAccounts, Device device, boolean defaultDevice) {
-        super(device.getModel().toDisplayString(), "", "", "image/" + device.getType() + ".png");
+        super(device.getModel().toDisplayString(), "", "", device.getModel());
         this.deviceOperation = DeviceOperation.DISCOVER_KEYSTORES;
         this.wallet = wallet;
         this.psbt = null;
@@ -202,7 +202,7 @@ public class DevicePane extends TitledDescriptionPane {
     }
 
     public DevicePane(DeviceOperation deviceOperation, Device device, boolean defaultDevice) {
-        super(device.getModel().toDisplayString(), "", "", "image/" + device.getType() + ".png");
+        super(device.getModel().toDisplayString(), "", "", device.getModel());
         this.deviceOperation = deviceOperation;
         this.wallet = null;
         this.psbt = null;

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

@@ -0,0 +1,85 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.sparrowwallet.sparrow.AppServices;
+import com.sparrowwallet.sparrow.Theme;
+import com.sparrowwallet.sparrow.io.Config;
+import javafx.beans.NamedArg;
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
+import javafx.scene.layout.StackPane;
+import org.girod.javafx.svgimage.SVGImage;
+import org.girod.javafx.svgimage.SVGLoader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.URL;
+import java.util.Locale;
+
+public class DialogImage extends StackPane {
+    private static final Logger log = LoggerFactory.getLogger(DialogImage.class);
+
+    public static final int WIDTH = 50;
+    public static final int HEIGHT = 50;
+
+    public ObjectProperty<DialogImage.Type> typeProperty = new SimpleObjectProperty<>();
+
+    public DialogImage() {
+        setPrefSize(WIDTH, HEIGHT);
+        this.typeProperty.addListener((observable, oldValue, type) -> {
+            refresh(type);
+        });
+    }
+
+    public DialogImage(@NamedArg("type") Type type) {
+        this();
+        this.typeProperty.set(type);
+    }
+
+    public void refresh() {
+        Type type = getType();
+        refresh(type);
+    }
+
+    protected void refresh(Type type) {
+        SVGImage svgImage;
+        if(Config.get().getTheme() == Theme.DARK) {
+            svgImage = loadSVGImage("/image/dialog/" + type.name().toLowerCase(Locale.ROOT) + "-invert.svg");
+        } else {
+            svgImage = loadSVGImage("/image/dialog/" + type.name().toLowerCase(Locale.ROOT) + ".svg");
+        }
+
+        if(svgImage != null) {
+            getChildren().clear();
+            getChildren().add(svgImage);
+        }
+    }
+
+    public Type getType() {
+        return typeProperty.get();
+    }
+
+    public ObjectProperty<Type> typeProperty() {
+        return typeProperty;
+    }
+
+    public void setType(Type type) {
+        this.typeProperty.set(type);
+    }
+
+    private SVGImage loadSVGImage(String imageName) {
+        try {
+            URL url = AppServices.class.getResource(imageName);
+            if(url != null) {
+                return SVGLoader.load(url);
+            }
+        } catch(Exception e) {
+            log.error("Could not find image " + imageName);
+        }
+
+        return null;
+    }
+
+    public enum Type {
+        SPARROW, SEED, PAYNYM, BORDERWALLETS, USERADD, WHIRLPOOL;
+    }
+}

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

@@ -56,14 +56,15 @@ public class DownloadVerifierDialog extends Dialog<ButtonBar.ButtonData> {
     private static final List<String> MANIFEST_EXTENSIONS = List.of("txt");
     private static final List<String> PUBLIC_KEY_EXTENSIONS = List.of("asc");
     private static final List<String> MACOS_RELEASE_EXTENSIONS = List.of("dmg");
-    private static final List<String> WINDOWS_RELEASE_EXTENSIONS = List.of("exe", "zip");
+    private static final List<String> WINDOWS_RELEASE_EXTENSIONS = List.of("exe", "msi", "zip");
     private static final List<String> LINUX_RELEASE_EXTENSIONS = List.of("deb", "rpm", "tar.gz");
     private static final List<String> DISK_IMAGE_EXTENSIONS = List.of("img", "bin", "dfu");
     private static final List<String> ARCHIVE_EXTENSIONS = List.of("zip", "tar.gz", "tar.bz2", "tar.xz", "rar", "7z");
 
     private static final String SPARROW_RELEASE_PREFIX = "sparrow-";
     private static final String SPARROW_RELEASE_ALT_PREFIX = "sparrow_";
-    private static final String SPARROW_SIGNATURE_SUFFIX = "-manifest.txt.asc";
+    private static final String SPARROW_MANIFEST_SUFFIX = "-manifest.txt";
+    private static final String SPARROW_SIGNATURE_SUFFIX = SPARROW_MANIFEST_SUFFIX + ".asc";
     private static final Pattern SPARROW_RELEASE_VERSION = Pattern.compile("[0-9]+(\\.[0-9]+)*");
     private static final long MIN_VALID_SPARROW_RELEASE_SIZE = 10 * 1024 * 1024;
 
@@ -300,7 +301,7 @@ public class DownloadVerifierDialog extends Dialog<ButtonBar.ButtonData> {
                 publicKeyDisabled.set(true);
             }
 
-            if(manifest.get().equals(release.get())) {
+            if(manifest.get().equals(release.get()) && !isSparrowManifest(manifest.get())) {
                 manifestDisabled.set(true);
                 releaseHash.setText("No hash required, signature signs release file directly");
                 releaseHash.setGraphic(GlyphUtils.getSuccessGlyph());
@@ -492,12 +493,19 @@ public class DownloadVerifierDialog extends Dialog<ButtonBar.ButtonData> {
 
     private File findReleaseFile(File manifestFile, Map<File, String> manifestMap) {
         File initialFile = initial.get();
-        if(initialFile != null) {
+        if(initialFile != null && initialFile.exists()) {
             for(File file : manifestMap.keySet()) {
                 if(initialFile.getName().equals(file.getName())) {
                     return initialFile;
                 }
             }
+
+            List<List<String>> allExtensionLists = List.of(MACOS_RELEASE_EXTENSIONS, WINDOWS_RELEASE_EXTENSIONS, LINUX_RELEASE_EXTENSIONS, DISK_IMAGE_EXTENSIONS, ARCHIVE_EXTENSIONS);
+            for(List<String> extensions : allExtensionLists) {
+                if(extensions.stream().anyMatch(ext -> initialFile.getName().toLowerCase(Locale.ROOT).endsWith(ext))) {
+                    return initialFile;
+                }
+            }
         }
 
         List<String> releaseExtensions = getReleaseFileExtensions();
@@ -592,6 +600,10 @@ public class DownloadVerifierDialog extends Dialog<ButtonBar.ButtonData> {
         return false;
     }
 
+    public static boolean isSparrowManifest(File manifestFile) {
+        return manifestFile.getName().startsWith(SPARROW_RELEASE_PREFIX) && manifestFile.getName().endsWith(SPARROW_MANIFEST_SUFFIX);
+    }
+
     public void setSignatureFile(File signatureFile) {
         signature.set(signatureFile);
     }
@@ -620,15 +632,8 @@ public class DownloadVerifierDialog extends Dialog<ButtonBar.ButtonData> {
             vBox.getChildren().addAll(headerLabel, descriptionLabel);
             add(vBox, 0, 0);
 
-            StackPane graphicContainer = new StackPane();
+            StackPane graphicContainer = new DialogImage(DialogImage.Type.SPARROW);
             graphicContainer.getStyleClass().add("graphic-container");
-            Image image = new Image("image/sparrow-small.png", 50, 50, false, false);
-            if (!image.isError()) {
-                ImageView imageView = new ImageView();
-                imageView.setSmooth(false);
-                imageView.setImage(image);
-                graphicContainer.getChildren().add(imageView);
-            }
             add(graphicContainer, 1, 0);
 
             ColumnConstraints textColumn = new ColumnConstraints();

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

@@ -7,6 +7,7 @@ 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 com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.glyphfont.FontAwesome5;
 import com.sparrowwallet.sparrow.io.FileImport;
@@ -44,8 +45,8 @@ public abstract class FileImportPane extends TitledDescriptionPane {
     private final boolean fileFormatAvailable;
     protected List<Wallet> wallets;
 
-    public FileImportPane(FileImport importer, String title, String description, String content, String imageUrl, boolean scannable, boolean fileFormatAvailable) {
-        super(title, description, content, imageUrl);
+    public FileImportPane(FileImport importer, String title, String description, String content, WalletModel walletModel, boolean scannable, boolean fileFormatAvailable) {
+        super(title, description, content, walletModel);
         this.importer = importer;
         this.scannable = scannable;
         this.fileFormatAvailable = fileFormatAvailable;

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

@@ -37,7 +37,7 @@ public class FileKeystoreExportPane extends TitledDescriptionPane {
     private final boolean file;
 
     public FileKeystoreExportPane(Keystore keystore, KeystoreFileExport exporter) {
-        super(exporter.getName(), "Keystore export", exporter.getKeystoreExportDescription(), "image/" + exporter.getWalletModel().getType() + ".png");
+        super(exporter.getName(), "Keystore export", exporter.getKeystoreExportDescription(), exporter.getWalletModel());
         this.keystore = keystore;
         this.exporter = exporter;
         this.scannable = exporter.isKeystoreExportScannable();

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

@@ -16,7 +16,7 @@ public class FileKeystoreImportPane extends FileImportPane {
     private final KeyDerivation requiredDerivation;
 
     public FileKeystoreImportPane(Wallet wallet, KeystoreFileImport importer, KeyDerivation requiredDerivation) {
-        super(importer, importer.getName(), "Key import", importer.getKeystoreImportDescription(getAccount(wallet, requiredDerivation)), "image/" + importer.getWalletModel().getType() + ".png", importer.isKeystoreImportScannable(), importer.isFileFormatAvailable());
+        super(importer, importer.getName(), "Key import", importer.getKeystoreImportDescription(getAccount(wallet, requiredDerivation)), importer.getWalletModel(), importer.isKeystoreImportScannable(), importer.isFileFormatAvailable());
         this.wallet = wallet;
         this.importer = importer;
         this.requiredDerivation = requiredDerivation;

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

@@ -41,7 +41,7 @@ public class FileWalletExportPane extends TitledDescriptionPane {
     private final boolean file;
 
     public FileWalletExportPane(Wallet wallet, WalletExport exporter) {
-        super(exporter.getName(), "Wallet export", exporter.getWalletExportDescription(), "image/" + exporter.getWalletModel().getType() + ".png");
+        super(exporter.getName(), "Wallet export", exporter.getWalletExportDescription(), exporter.getWalletModel());
         this.wallet = wallet;
         this.exporter = exporter;
         this.scannable = exporter.isWalletExportScannable();

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

@@ -12,7 +12,7 @@ public class FileWalletImportPane extends FileImportPane {
     private final WalletImport importer;
 
     public FileWalletImportPane(WalletImport importer) {
-        super(importer, importer.getName(), "Wallet import", importer.getWalletImportDescription(), "image/" + importer.getWalletModel().getType() + ".png", importer.isWalletImportScannable(), importer.isWalletImportFileFormatAvailable());
+        super(importer, importer.getName(), "Wallet import", importer.getWalletImportDescription(), importer.getWalletModel(), importer.isWalletImportScannable(), importer.isWalletImportFileFormatAvailable());
         this.importer = importer;
     }
 

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

@@ -42,7 +42,7 @@ public class FileWalletKeystoreImportPane extends FileImportPane {
     private String password;
 
     public FileWalletKeystoreImportPane(KeystoreFileImport importer) {
-        super(importer, importer.getName(), "Wallet import", importer.getKeystoreImportDescription(), "image/" + importer.getWalletModel().getType() + ".png", importer.isKeystoreImportScannable(), importer.isFileFormatAvailable());
+        super(importer, importer.getName(), "Wallet import", importer.getKeystoreImportDescription(), importer.getWalletModel(), importer.isKeystoreImportScannable(), importer.isFileFormatAvailable());
         this.importer = importer;
     }
 

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

@@ -38,12 +38,23 @@ class LabelCell extends TextFieldTreeTableCell<Entry, String> implements Confirm
         if(empty) {
             setText(null);
             setGraphic(null);
+            setTooltip(null);
         } else {
             Entry entry = getTreeTableView().getTreeItem(getIndex()).getValue();
             EntryCell.applyRowStyles(this, entry);
 
             setText(label);
             setContextMenu(new LabelContextMenu(entry, label));
+
+            double width = label == null || label.length() < 20 ? 0.0 : TextUtils.computeTextWidth(getFont(), label, 0.0D);
+            if(width > getTableColumn().getWidth()) {
+                Tooltip tooltip = new Tooltip(label);
+                tooltip.setMaxWidth(getTreeTableView().getWidth());
+                tooltip.setWrapText(true);
+                setTooltip(tooltip);
+            } else {
+                setTooltip(null);
+            }
         }
     }
 
@@ -121,7 +132,7 @@ class LabelCell extends TextFieldTreeTableCell<Entry, String> implements Confirm
         return confirmationsProperty;
     }
 
-    private static class LabelContextMenu extends ContextMenu {
+    private class LabelContextMenu extends ContextMenu {
         public LabelContextMenu(Entry entry, String label) {
             MenuItem copyLabel = new MenuItem("Copy Label");
             copyLabel.setOnAction(AE -> {
@@ -141,6 +152,13 @@ class LabelCell extends TextFieldTreeTableCell<Entry, String> implements Confirm
                 }
             });
             getItems().add(pasteLabel);
+
+            MenuItem editLabel = new MenuItem("Edit Label...");
+            editLabel.setOnAction(AE -> {
+                hide();
+                startEdit();
+            });
+            getItems().add(editLabel);
         }
     }
 }

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

@@ -118,14 +118,7 @@ public class MessageSignDialog extends Dialog<ButtonBar.ButtonData> {
         dialogPane.getStylesheets().add(AppServices.class.getResource("dialog.css").toExternalForm());
         AppServices.setStageIcon(dialogPane.getScene().getWindow());
         dialogPane.setHeaderText(title == null ? (wallet == null ? "Verify Message" : "Sign/Verify Message") : title);
-
-        Image image = new Image("image/seed.png", 50, 50, false, false);
-        if (!image.isError()) {
-            ImageView imageView = new ImageView();
-            imageView.setSmooth(false);
-            imageView.setImage(image);
-            dialogPane.setGraphic(imageView);
-        }
+        dialogPane.setGraphic(new WalletModelImage(WalletModel.SEED));
 
         VBox vBox = new VBox();
         vBox.setSpacing(20);

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

@@ -50,8 +50,7 @@ public class MnemonicGridDialog extends Dialog<List<String>> {
         dialogPane.getStylesheets().add(AppServices.class.getResource("general.css").toExternalForm());
         dialogPane.getStylesheets().add(AppServices.class.getResource("grid.css").toExternalForm());
         dialogPane.setHeaderText("Load a Border Wallets PDF, or generate a grid from a BIP39 seed.\nThen select 11 or 23 words in a pattern on the grid.\nThe order of selection is important!");
-        javafx.scene.image.Image image = new Image("/image/border-wallets.png");
-        dialogPane.setGraphic(new ImageView(image));
+        dialogPane.setGraphic(new DialogImage(DialogImage.Type.BORDERWALLETS));
 
         String[][] emptyWordGrid = new String[128][GRID_COLUMN_COUNT];
         Grid grid = getGrid(emptyWordGrid);

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

@@ -19,7 +19,7 @@ public class MnemonicKeystoreDisplayPane extends MnemonicKeystorePane {
     private final DeterministicSeed.Type type;
 
     public MnemonicKeystoreDisplayPane(Keystore keystore) {
-        super(keystore.getSeed().getType().getName(), keystore.getSeed().needsPassphrase() && (keystore.getSeed().getPassphrase() == null || keystore.getSeed().getPassphrase().length() > 0) ? "Passphrase entered" : "No passphrase", "", "image/" + WalletModel.SEED.getType() + ".png");
+        super(keystore.getSeed().getType().getName(), keystore.getSeed().needsPassphrase() && (keystore.getSeed().getPassphrase() == null || keystore.getSeed().getPassphrase().length() > 0) ? "Passphrase entered" : "No passphrase", "", WalletModel.SEED);
         showHideLink.setVisible(false);
         buttonBox.getChildren().clear();
         this.type = keystore.getSeed().getType();

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

@@ -19,7 +19,7 @@ public class MnemonicKeystoreEntryPane extends MnemonicKeystorePane {
     private boolean generated;
 
     public MnemonicKeystoreEntryPane(String name, int numWords) {
-        super(name, "Enter seed words", "", "image/" + WalletModel.SEED.getType() + ".png");
+        super(name, "Enter seed words", "", WalletModel.SEED);
         showHideLink.setVisible(false);
         buttonBox.getChildren().clear();
 

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

@@ -45,7 +45,7 @@ public class MnemonicKeystoreImportPane extends MnemonicKeystorePane {
     private List<String> generatedMnemonicCode;
 
     public MnemonicKeystoreImportPane(Wallet wallet, KeystoreMnemonicImport importer, KeyDerivation defaultDerivation) {
-        super(importer.getName(), "Create or enter seed", importer.getKeystoreImportDescription(), "image/" + importer.getWalletModel().getType() + ".png");
+        super(importer.getName(), "Create or enter seed", importer.getKeystoreImportDescription(), importer.getWalletModel());
         this.wallet = wallet;
         this.importer = importer;
         this.defaultDerivation = defaultDerivation;

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

@@ -3,6 +3,7 @@ package com.sparrowwallet.sparrow.control;
 import com.sparrowwallet.drongo.wallet.Bip39MnemonicCode;
 import com.sparrowwallet.drongo.wallet.DeterministicSeed;
 import com.sparrowwallet.drongo.wallet.MnemonicException;
+import com.sparrowwallet.drongo.wallet.WalletModel;
 import com.sparrowwallet.drongo.wallet.slip39.Slip39MnemonicCode;
 import com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.glyphfont.GlyphUtils;
@@ -51,8 +52,8 @@ public class MnemonicKeystorePane extends TitledDescriptionPane {
     protected final SimpleStringProperty passphraseProperty = new SimpleStringProperty("");
     protected IntegerProperty defaultWordSizeProperty;
 
-    public MnemonicKeystorePane(String title, String description, String content, String imageUrl) {
-        super(title, description, content, imageUrl);
+    public MnemonicKeystorePane(String title, String description, String content, WalletModel walletModel) {
+        super(title, description, content, walletModel);
     }
 
     @Override
@@ -320,6 +321,7 @@ public class MnemonicKeystorePane extends TitledDescriptionPane {
                 }
             };
             wordField.setMaxWidth(100);
+            wordField.setAccessibleText("Word " + (wordNumber + 1));
             TextFormatter<?> formatter = new TextFormatter<>((TextFormatter.Change change) -> {
                 String text = change.getText();
                 // if text was added, fix the text to fit the requirements

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

@@ -44,7 +44,7 @@ public class MnemonicShareKeystoreImportPane extends MnemonicKeystorePane {
     private int currentShare;
 
     public MnemonicShareKeystoreImportPane(Wallet wallet, KeystoreMnemonicShareImport importer, KeyDerivation defaultDerivation) {
-        super(importer.getName(), "Enter seed share", importer.getKeystoreImportDescription(), "image/" + importer.getWalletModel().getType() + ".png");
+        super(importer.getName(), "Enter seed share", importer.getKeystoreImportDescription(), importer.getWalletModel());
         this.wallet = wallet;
         this.importer = importer;
         this.defaultDerivation = defaultDerivation;

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

@@ -41,7 +41,7 @@ public class MnemonicWalletKeystoreImportPane extends MnemonicKeystorePane {
     private Button importButton;
 
     public MnemonicWalletKeystoreImportPane(KeystoreMnemonicImport importer) {
-        super(importer.getName(), "Seed import", importer.getKeystoreImportDescription(), "image/" + importer.getWalletModel().getType() + ".png");
+        super(importer.getName(), "Seed import", importer.getKeystoreImportDescription(), importer.getWalletModel());
         this.importer = importer;
     }
 

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

@@ -14,6 +14,7 @@ import com.sparrowwallet.drongo.protocol.*;
 import com.sparrowwallet.drongo.psbt.PSBT;
 import com.sparrowwallet.drongo.psbt.PSBTInput;
 import com.sparrowwallet.drongo.wallet.Wallet;
+import com.sparrowwallet.drongo.wallet.WalletModel;
 import com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.UnitFormat;
@@ -61,6 +62,7 @@ public class PrivateKeySweepDialog extends Dialog<Transaction> {
     private final TextArea key;
     private final ComboBox<ScriptType> keyScriptType;
     private final CopyableLabel keyAddress;
+    private final CopyableLabel keyUtxos;
     private final ComboBoxTextField toAddress;
     private final ComboBox<Wallet> toWallet;
     private final FeeRangeSlider feeRange;
@@ -72,14 +74,7 @@ public class PrivateKeySweepDialog extends Dialog<Transaction> {
         dialogPane.getStylesheets().add(AppServices.class.getResource("dialog.css").toExternalForm());
         AppServices.setStageIcon(dialogPane.getScene().getWindow());
         dialogPane.setHeaderText("Sweep Private Key");
-
-        Image image = new Image("image/seed.png", 50, 50, false, false);
-        if(!image.isError()) {
-            ImageView imageView = new ImageView();
-            imageView.setSmooth(false);
-            imageView.setImage(image);
-            dialogPane.setGraphic(imageView);
-        }
+        dialogPane.setGraphic(new WalletModelImage(WalletModel.SEED));
 
         Form form = new Form();
         Fieldset fieldset = new Fieldset();
@@ -136,6 +131,12 @@ public class PrivateKeySweepDialog extends Dialog<Transaction> {
         keyAddress.getStyleClass().add("fixed-width");
         addressField.getInputs().add(keyAddress);
 
+        Field utxosField = new Field();
+        utxosField.setText("UTXOs:");
+        keyUtxos = new CopyableLabel();
+        utxosField.getInputs().add(keyUtxos);
+
+
         Field toAddressField = new Field();
         toAddressField.setText("Sweep to:");
         toAddress = new ComboBoxTextField();
@@ -355,6 +356,8 @@ public class PrivateKeySweepDialog extends Dialog<Transaction> {
                 Optional<Date> optSince = addressScanDateDialog.showAndWait();
                 if(optSince.isPresent()) {
                     since = optSince.get();
+                } else {
+                    return;
                 }
             }
 
@@ -369,7 +372,7 @@ public class PrivateKeySweepDialog extends Dialog<Transaction> {
             });
 
             if(Config.get().getServerType() == ServerType.BITCOIN_CORE) {
-                ServiceProgressDialog serviceProgressDialog = new ServiceProgressDialog("Address Scan", "Scanning address for transactions...", "/image/sparrow.png", addressUtxosService);
+                ServiceProgressDialog serviceProgressDialog = new ServiceProgressDialog("Address Scan", "Scanning address for transactions...", new DialogImage(DialogImage.Type.SPARROW), addressUtxosService);
                 serviceProgressDialog.initOwner(getDialogPane().getScene().getWindow());
                 AppServices.moveToActiveWindowScreen(serviceProgressDialog);
             }

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

@@ -1,6 +1,6 @@
 package com.sparrowwallet.sparrow.control;
 
-import com.github.sarxos.webcam.*;
+import com.google.common.base.Throwables;
 import com.sparrowwallet.drongo.*;
 import com.sparrowwallet.drongo.address.Address;
 import com.sparrowwallet.drongo.address.P2PKHAddress;
@@ -27,7 +27,6 @@ import com.sparrowwallet.hummingbird.registry.pathcomponent.PathComponent;
 import com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.event.WebcamResolutionChangedEvent;
-import com.sparrowwallet.sparrow.glyphfont.FontAwesome5;
 import com.sparrowwallet.sparrow.io.Config;
 import com.sparrowwallet.sparrow.io.bbqr.BBQRDecoder;
 import com.sparrowwallet.sparrow.io.bbqr.BBQRException;
@@ -39,14 +38,16 @@ import javafx.beans.property.SimpleDoubleProperty;
 import javafx.beans.property.SimpleObjectProperty;
 import javafx.beans.value.ChangeListener;
 import javafx.beans.value.ObservableValue;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.geometry.Insets;
 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.openpnp.capture.CaptureDevice;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -76,108 +77,141 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
     private static final Pattern PART_PATTERN = Pattern.compile("p(\\d+)of(\\d+) (.+)");
 
     private static final int SCAN_PERIOD_MILLIS = 100;
-    private final ObjectProperty<WebcamResolution> webcamResolutionProperty = new SimpleObjectProperty<>(WebcamResolution.VGA);
+    private final ObjectProperty<CaptureDevice> webcamDeviceProperty = new SimpleObjectProperty<>();
+    private final ObjectProperty<WebcamResolution> webcamResolutionProperty = new SimpleObjectProperty<>(WebcamResolution.HD);
 
     private final DoubleProperty percentComplete = new SimpleDoubleProperty(0.0);
 
-    private final ObjectProperty<WebcamDevice> webcamDeviceProperty = new SimpleObjectProperty<>();
+    private final ObservableList<CaptureDevice> foundDevices = FXCollections.observableList(new ArrayList<>());
+    private final ObservableList<WebcamResolution> availableResolutions = FXCollections.observableList(new ArrayList<>());
+    private boolean postOpenUpdate;
 
     public QRScanDialog() {
         this.urDecoder = new URDecoder();
         this.legacyUrDecoder = new LegacyURDecoder();
         this.bbqrDecoder = new BBQRDecoder();
 
-        if(Config.get().isHdCapture()) {
-            webcamResolutionProperty.set(WebcamResolution.HD);
+        if(Config.get().getWebcamResolution() != null) {
+            webcamResolutionProperty.set(Config.get().getWebcamResolution());
         }
 
-        this.webcamService = new WebcamService(webcamResolutionProperty.get(), null, new QRScanListener(), new ScanDelayCalculator());
+        this.webcamService = new WebcamService(webcamResolutionProperty.get(), null);
         webcamService.setPeriod(Duration.millis(SCAN_PERIOD_MILLIS));
         webcamService.setRestartOnFailure(false);
-        WebcamView webcamView = new WebcamView(webcamService, Config.get().isMirrorCapture());
 
         final DialogPane dialogPane = new QRScanDialogPane();
         setDialogPane(dialogPane);
         AppServices.setStageIcon(dialogPane.getScene().getWindow());
 
-        StackPane stackPane = new StackPane();
-        stackPane.getChildren().add(webcamView.getView());
-        Node wrappedView = Borders.wrap(stackPane).lineBorder().buildAll();
+        WebcamView webcamView = new WebcamView(webcamService, Config.get().isMirrorCapture());
 
         ProgressBar progressBar = new ProgressBar();
         progressBar.setMinHeight(20);
         progressBar.setPadding(new Insets(0, 10, 0, 10));
         progressBar.setPrefWidth(Integer.MAX_VALUE);
         progressBar.progressProperty().bind(percentComplete);
-        webcamService.openingProperty().addListener((observable, oldValue, newValue) -> {
-            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);
+        StackPane stackPane = new StackPane();
+        stackPane.getChildren().add(webcamView.getView());
+        Node wrappedView = Borders.wrap(stackPane).lineBorder().buildAll();
         vBox.getChildren().addAll(wrappedView, progressBar);
-
         dialogPane.setContent(vBox);
 
+        webcamService.openingProperty().addListener((_, _, opening) -> {
+            if(percentComplete.get() <= 0.0) {
+                Platform.runLater(() -> percentComplete.set(opening ? 0.0 : -1.0));
+            }
+
+            if(opening) {
+                Platform.runLater(() -> {
+                    try {
+                        postOpenUpdate = true;
+                        List<CaptureDevice> newDevices = new ArrayList<>(webcamService.getDevices());
+                        newDevices.removeAll(foundDevices);
+                        foundDevices.addAll(newDevices);
+                        foundDevices.removeIf(device -> !webcamService.getDevices().contains(device));
+
+                        if(Config.get().getWebcamDevice() != null && webcamDeviceProperty.get() == null) {
+                            for(CaptureDevice device : foundDevices) {
+                                if(device.getName().equals(Config.get().getWebcamDevice())) {
+                                    webcamDeviceProperty.set(device);
+                                }
+                            }
+                        }
+
+                        updateList(availableResolutions, webcamService.getResolutions());
+                        webcamResolutionProperty.set(webcamService.getResolution());
+                    } finally {
+                        postOpenUpdate = false;
+                    }
+                });
+            }
+        });
+        webcamService.closedProperty().addListener((_, _, closed) -> {
+           if(closed && webcamResolutionProperty.get() != null) {
+               webcamService.setResolution(webcamResolutionProperty.get());
+               webcamService.setDevice(webcamDeviceProperty.get());
+               Platform.runLater(() -> {
+                   if(!webcamService.isRunning()) {
+                       webcamService.reset();
+                       webcamService.start();
+                   }
+               });
+           }
+        });
         webcamService.resultProperty().addListener(new QRResultListener());
         webcamService.setOnFailed(failedEvent -> {
-            Throwable exception = failedEvent.getSource().getException();
-
-            Throwable nested = exception;
-            while(nested.getCause() != null) {
-                nested = nested.getCause();
-            }
-            if(OsType.getCurrent() == OsType.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;
-            Platform.runLater(() -> setResult(new Result(result)));
+            Throwable exception = Throwables.getRootCause(failedEvent.getSource().getException());
+            Platform.runLater(() -> setResult(new Result(exception)));
         });
         webcamService.start();
-        webcamResolutionProperty.addListener((observable, oldValue, newResolution) -> {
+
+        webcamResolutionProperty.addListener((_, oldResolution, newResolution) -> {
             if(newResolution != null) {
-                setHeight(newResolution == WebcamResolution.HD ? (getHeight() - 100) : (getHeight() + 100));
-                EventManager.get().post(new WebcamResolutionChangedEvent(newResolution == WebcamResolution.HD));
+                if(newResolution.isStandardAspect() && oldResolution.isWidescreenAspect()) {
+                    setWidth(getWidth());
+                    setHeight(getHeight() + 100);
+                    dialogPane.setMaxHeight(dialogPane.getPrefHeight() + 100);
+                    dialogPane.setPrefHeight(dialogPane.getMaxHeight());
+                    dialogPane.setMinHeight(dialogPane.getMaxHeight());
+                } else if(newResolution.isWidescreenAspect() && oldResolution.isStandardAspect()) {
+                    setWidth(getWidth());
+                    setHeight(getHeight() - 100);
+                    dialogPane.setMaxHeight(dialogPane.getPrefHeight() - 100);
+                    dialogPane.setPrefHeight(dialogPane.getMaxHeight());
+                    dialogPane.setMinHeight(dialogPane.getMaxHeight());
+                }
+                EventManager.get().post(new WebcamResolutionChangedEvent(newResolution));
+            }
+            if(newResolution == null || !postOpenUpdate) {
+                webcamService.cancel();
             }
-            webcamService.cancel();
         });
-        webcamDeviceProperty.addListener((observable, oldValue, newValue) -> {
+        webcamDeviceProperty.addListener((_, _, newValue) -> {
             Config.get().setWebcamDevice(newValue.getName());
             if(!Objects.equals(webcamService.getDevice(), newValue)) {
                 webcamService.cancel();
             }
         });
 
-        setOnCloseRequest(event -> {
-            boolean isHdCapture = (webcamResolutionProperty.get() == WebcamResolution.HD);
-            if(Config.get().isHdCapture() != isHdCapture) {
-                Config.get().setHdCapture(isHdCapture);
+        setOnCloseRequest(_ -> {
+            if(webcamResolutionProperty.get() != null) {
+                Config.get().setWebcamResolution(webcamResolutionProperty.get());
             }
 
-            Platform.runLater(() -> webcamResolutionProperty.set(null));
+            Platform.runLater(() -> {
+                webcamResolutionProperty.set(null);
+                webcamService.close();
+            });
         });
 
         final ButtonType cancelButtonType = new javafx.scene.control.ButtonType("Close", ButtonBar.ButtonData.CANCEL_CLOSE);
-        final ButtonType hdButtonType = new javafx.scene.control.ButtonType("Use HD Capture", ButtonBar.ButtonData.LEFT);
-        final ButtonType camButtonType = new javafx.scene.control.ButtonType("Default Camera", ButtonBar.ButtonData.HELP_2);
-        dialogPane.getButtonTypes().addAll(hdButtonType, camButtonType, cancelButtonType);
+        final ButtonType deviceButtonType = new javafx.scene.control.ButtonType("Default Camera", ButtonBar.ButtonData.LEFT);
+        final ButtonType resolutionButtonType = new javafx.scene.control.ButtonType("Resolution", ButtonBar.ButtonData.HELP_2);
+        dialogPane.getButtonTypes().addAll(deviceButtonType, resolutionButtonType, cancelButtonType);
         dialogPane.setPrefWidth(646);
-        dialogPane.setPrefHeight(webcamResolutionProperty.get() == WebcamResolution.HD ? 490 : 590);
+        dialogPane.setPrefHeight(webcamResolutionProperty.get().isWidescreenAspect() ? 490 : 590);
         dialogPane.setMinHeight(dialogPane.getPrefHeight());
         AppServices.moveToActiveWindowScreen(this);
 
@@ -685,72 +719,32 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
         }
     }
 
-    private class QRScanListener implements WebcamListener {
-        @Override
-        public void webcamOpen(WebcamEvent webcamEvent) {
-
-        }
-
-        @Override
-        public void webcamClosed(WebcamEvent webcamEvent) {
-            if(webcamResolutionProperty.get() != null) {
-                webcamService.setResolution(webcamResolutionProperty.get());
-                webcamService.setDevice(webcamDeviceProperty.get());
-                Platform.runLater(() -> {
-                    if(!webcamService.isRunning()) {
-                        webcamService.reset();
-                        webcamService.start();
-                    }
-                });
-            }
-        }
-
-        @Override
-        public void webcamDisposed(WebcamEvent webcamEvent) {
-
-        }
-
-        @Override
-        public void webcamImageObtained(WebcamEvent webcamEvent) {
-
-        }
-    }
-
     private class QRScanDialogPane extends DialogPane {
         @Override
         protected Node createButton(ButtonType buttonType) {
-            Node button = null;
+            Node button;
             if(buttonType.getButtonData() == ButtonBar.ButtonData.LEFT) {
-                ToggleButton hd = new ToggleButton(buttonType.getText());
-                hd.setSelected(webcamResolutionProperty.get() == WebcamResolution.HD);
-                hd.setGraphicTextGap(5);
-                setHdGraphic(hd, hd.isSelected());
-
-                final ButtonBar.ButtonData buttonData = buttonType.getButtonData();
-                ButtonBar.setButtonData(hd, buttonData);
-                hd.selectedProperty().addListener((observable, oldValue, newValue) -> {
-                    webcamResolutionProperty.set(newValue ? WebcamResolution.HD : WebcamResolution.VGA);
-                    setHdGraphic(hd, newValue);
-                });
-
-                button = hd;
-            } else if(buttonType.getButtonData() == ButtonBar.ButtonData.HELP_2) {
-                ComboBox<WebcamDevice> devicesCombo = new ComboBox<>(WebcamScanDriver.getFoundDevices());
+                ComboBox<CaptureDevice> devicesCombo = new ComboBox<>(foundDevices);
                 devicesCombo.setConverter(new StringConverter<>() {
                     @Override
-                    public String toString(WebcamDevice device) {
-                        return device instanceof WebcamScanDevice ? ((WebcamScanDevice)device).getDeviceName() : "Default Camera";
+                    public String toString(CaptureDevice device) {
+                        return device != null && device.getName() != null ? device.getName().replaceAll(" \\(.*\\)", "") : "Default Camera";
                     }
 
                     @Override
-                    public WebcamDevice fromString(String string) {
+                    public CaptureDevice fromString(String string) {
                         throw new UnsupportedOperationException();
                     }
                 });
                 devicesCombo.valueProperty().bindBidirectional(webcamDeviceProperty);
-                ButtonBar.setButtonData(devicesCombo, ButtonBar.ButtonData.LEFT);
-
+                final ButtonBar.ButtonData buttonData = buttonType.getButtonData();
+                ButtonBar.setButtonData(devicesCombo, buttonData);
                 button = devicesCombo;
+            } else if(buttonType.getButtonData() == ButtonBar.ButtonData.HELP_2) {
+                ComboBox<WebcamResolution> resolutionsCombo = new ComboBox<>(availableResolutions);
+                resolutionsCombo.valueProperty().bindBidirectional(webcamResolutionProperty);
+                ButtonBar.setButtonData(resolutionsCombo, ButtonBar.ButtonData.LEFT);
+                button = resolutionsCombo;
             } else {
                 button = super.createButton(buttonType);
             }
@@ -763,19 +757,39 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
             button.disableProperty().bind(webcamService.openingProperty());
             return button;
         }
+    }
 
-        private void setHdGraphic(ToggleButton hd, boolean isHd) {
-            if(isHd) {
-                hd.setGraphic(getGlyph(FontAwesome5.Glyph.CHECK_CIRCLE));
+    public static <T extends Comparable<T>> void updateList(List<T> targetList, Collection<T> sourceList) {
+        List<T> sortedSource = new ArrayList<>(sourceList);
+        Collections.sort(sortedSource);
+
+        ListIterator<T> targetIter = targetList.listIterator();
+        int sourceIndex = 0;
+
+        while (sourceIndex < sortedSource.size() && targetIter.hasNext()) {
+            T sourceItem = sortedSource.get(sourceIndex);
+            T targetItem = targetIter.next();
+            int comparison = sourceItem.compareTo(targetItem);
+
+            if (comparison < 0) {
+                targetIter.previous(); // Back up to insert before
+                targetIter.add(sourceItem);
+                sourceIndex++;
+            } else if (comparison > 0) {
+                targetIter.remove();
             } else {
-                hd.setGraphic(getGlyph(FontAwesome5.Glyph.BAN));
+                sourceIndex++;
             }
         }
 
-        private Glyph getGlyph(FontAwesome5.Glyph glyphName) {
-            Glyph glyph = new Glyph(FontAwesome5.FONT_NAME, glyphName);
-            glyph.setFontSize(11);
-            return glyph;
+        while (sourceIndex < sortedSource.size()) {
+            targetIter.add(sortedSource.get(sourceIndex));
+            sourceIndex++;
+        }
+
+        while (targetIter.hasNext()) {
+            targetIter.next();
+            targetIter.remove();
         }
     }
 
@@ -993,10 +1007,4 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
             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/RecentBlocksView.java

@@ -0,0 +1,178 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.sparrowwallet.sparrow.BlockSummary;
+import com.sparrowwallet.sparrow.io.Config;
+import com.sparrowwallet.sparrow.net.FeeRatesSource;
+import io.reactivex.Observable;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.rxjavafx.schedulers.JavaFxScheduler;
+import javafx.animation.TranslateTransition;
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
+import javafx.scene.control.Tooltip;
+import javafx.scene.layout.Pane;
+import javafx.scene.shape.Line;
+import javafx.scene.shape.Rectangle;
+import javafx.util.Duration;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+import static com.sparrowwallet.sparrow.AppServices.TARGET_BLOCKS_RANGE;
+import static com.sparrowwallet.sparrow.control.BlockCube.CUBE_SIZE;
+
+public class RecentBlocksView extends Pane {
+    private static final double CUBE_SPACING = 100;
+    private static final double ANIMATION_DURATION_MILLIS = 1000;
+    private static final double SEPARATOR_X = 74;
+
+    private final CompositeDisposable disposables = new CompositeDisposable();
+
+    private final ObjectProperty<List<BlockCube>> cubesProperty = new SimpleObjectProperty<>(new ArrayList<>());
+    private final Tooltip tooltip = new Tooltip();
+
+    public RecentBlocksView() {
+        cubesProperty.addListener((_, _, newValue) -> {
+            if(newValue != null && newValue.size() == 3) {
+                drawView();
+            }
+        });
+
+        Rectangle clip = new Rectangle(-20, -40, CUBE_SPACING * 3 - 20, 100);
+        setClip(clip);
+
+        Observable<Long> intervalObservable = Observable.interval(1, TimeUnit.MINUTES);
+        disposables.add(intervalObservable.observeOn(JavaFxScheduler.platform()).subscribe(_ -> {
+            for(BlockCube cube : getCubes()) {
+                cube.setElapsed(BlockCube.getElapsed(cube.getTimestamp()));
+            }
+        }));
+
+        FeeRatesSource feeRatesSource = Config.get().getFeeRatesSource();
+        feeRatesSource = (feeRatesSource == null ? FeeRatesSource.MEMPOOL_SPACE : feeRatesSource);
+        updateFeeRatesSource(feeRatesSource);
+        Tooltip.install(this, tooltip);
+    }
+
+    public void updateFeeRatesSource(FeeRatesSource feeRatesSource) {
+        tooltip.setText("Fee rates from " + feeRatesSource.getDescription());
+        if(getCubes() != null && !getCubes().isEmpty()) {
+            getCubes().getFirst().setFeeRatesSource(feeRatesSource);
+        }
+    }
+
+    public void drawView() {
+        createSeparator();
+
+        for(int i = 0; i < 3; i++) {
+            BlockCube cube = getCubes().get(i);
+            cube.setTranslateX(i * CUBE_SPACING);
+            getChildren().add(cube);
+        }
+    }
+
+    private void createSeparator() {
+        Line separator = new Line(SEPARATOR_X, -9, SEPARATOR_X, CUBE_SIZE);
+        separator.getStyleClass().add("blocks-separator");
+        separator.getStrokeDashArray().addAll(5.0, 5.0); // Create dotted line pattern
+        separator.setStrokeWidth(1.0);
+        getChildren().add(separator);
+    }
+
+    public void update(List<BlockSummary> latestBlocks, Double currentFeeRate) {
+        if(getCubes().isEmpty()) {
+            List<BlockCube> cubes = new ArrayList<>();
+            cubes.add(new BlockCube(null, currentFeeRate, null, null, 0L, false));
+            cubes.addAll(latestBlocks.stream().map(BlockCube::fromBlockSummary).limit(2).toList());
+            setCubes(cubes);
+        } else {
+            int knownTip = getCubes().stream().mapToInt(BlockCube::getHeight).max().orElse(0);
+            int latestTip = latestBlocks.stream().mapToInt(BlockSummary::getHeight).max().orElse(0);
+            if(latestTip > knownTip) {
+                addNewBlock(latestBlocks, currentFeeRate);
+            } else {
+                for(int i = 1; i < getCubes().size() && i <= latestBlocks.size(); i++) {
+                    BlockCube blockCube = getCubes().get(i);
+                    BlockSummary latestBlock = latestBlocks.get(i - 1);
+                    blockCube.setConfirmed(true);
+                    blockCube.setHeight(latestBlock.getHeight());
+                    blockCube.setTimestamp(latestBlock.getTimestamp().getTime());
+                    blockCube.setWeight(latestBlock.getWeight().orElse(0));
+                    blockCube.setMedianFee(latestBlock.getMedianFee().orElse(-1.0d));
+                    blockCube.setTxCount(latestBlock.getTransactionCount().orElse(0));
+                }
+                updateFeeRate(currentFeeRate);
+            }
+        }
+    }
+
+    private void addNewBlock(List<BlockSummary> latestBlocks, Double currentFeeRate) {
+        if(getCubes().isEmpty()) {
+            return;
+        }
+
+        for(int i = 0; i < getCubes().size() && i < latestBlocks.size(); i++) {
+            BlockCube blockCube = getCubes().get(i);
+            BlockSummary latestBlock = latestBlocks.get(i);
+            blockCube.setConfirmed(true);
+            blockCube.setHeight(latestBlock.getHeight());
+            blockCube.setTimestamp(latestBlock.getTimestamp().getTime());
+            blockCube.setWeight(latestBlock.getWeight().orElse(0));
+            blockCube.setMedianFee(latestBlock.getMedianFee().orElse(-1.0d));
+            blockCube.setTxCount(latestBlock.getTransactionCount().orElse(0));
+        }
+
+        add(new BlockCube(null, currentFeeRate, null, null, 0L, false));
+    }
+
+    public void add(BlockCube newCube) {
+        newCube.setTranslateX(-CUBE_SPACING);
+        getChildren().add(newCube);
+        getCubes().getFirst().setConfirmed(true);
+        getCubes().addFirst(newCube);
+        animateCubes();
+        if(getCubes().size() > 4) {
+            BlockCube lastCube = getCubes().getLast();
+            getChildren().remove(lastCube);
+            getCubes().remove(lastCube);
+        }
+    }
+
+    public void updateFeeRate(Map<Integer, Double> targetBlockFeeRates) {
+        int defaultTarget = TARGET_BLOCKS_RANGE.get((TARGET_BLOCKS_RANGE.size() / 2) - 1);
+        if(targetBlockFeeRates.get(defaultTarget) != null) {
+            Double defaultRate = targetBlockFeeRates.get(defaultTarget);
+            updateFeeRate(defaultRate);
+        }
+    }
+
+    public void updateFeeRate(Double currentFeeRate) {
+        if(!getCubes().isEmpty()) {
+            BlockCube firstCube = getCubes().getFirst();
+            firstCube.setMedianFee(currentFeeRate);
+        }
+    }
+
+    private void animateCubes() {
+        for(int i = 0; i < getCubes().size(); i++) {
+            BlockCube cube = getCubes().get(i);
+            TranslateTransition transition = new TranslateTransition(Duration.millis(ANIMATION_DURATION_MILLIS), cube);
+            transition.setToX(i * CUBE_SPACING);
+            transition.play();
+        }
+    }
+
+    public List<BlockCube> getCubes() {
+        return cubesProperty.get();
+    }
+
+    public ObjectProperty<List<BlockCube>> cubesProperty() {
+        return cubesProperty;
+    }
+
+    public void setCubes(List<BlockCube> cubes) {
+        this.cubesProperty.set(cubes);
+    }
+}

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

@@ -60,14 +60,7 @@ public class SearchWalletDialog extends Dialog<Entry> {
         dialogPane.getStylesheets().add(AppServices.class.getResource("search.css").toExternalForm());
         AppServices.setStageIcon(dialogPane.getScene().getWindow());
         dialogPane.setHeaderText(showWallet ? "Search All Wallets" : "Search Wallet " + walletForms.get(0).getMasterWallet().getName());
-
-        Image image = new Image("image/sparrow-small.png", 50, 50, false, false);
-        if(!image.isError()) {
-            ImageView imageView = new ImageView();
-            imageView.setSmooth(false);
-            imageView.setImage(image);
-            dialogPane.setGraphic(imageView);
-        }
+        dialogPane.setGraphic(new DialogImage(DialogImage.Type.SPARROW));
 
         VBox vBox = new VBox();
         vBox.setSpacing(20);

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

@@ -42,8 +42,7 @@ public class SendToManyDialog extends Dialog<List<Payment>> {
         setTitle("Send to Many");
         dialogPane.getStylesheets().add(AppServices.class.getResource("general.css").toExternalForm());
         dialogPane.setHeaderText("Send to many recipients by specifying addresses and amounts.\nOnly the first row's label is necessary.");
-        Image image = new Image("/image/sparrow-small.png");
-        dialogPane.setGraphic(new ImageView(image));
+        dialogPane.setGraphic(new DialogImage(DialogImage.Type.SPARROW));
 
         List<Payment> initialPayments = IntStream.range(0, 100).mapToObj(i -> new Payment(null, null, -1, false)).collect(Collectors.toList());
         Grid grid = getGrid(initialPayments);

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

@@ -3,13 +3,12 @@ package com.sparrowwallet.sparrow.control;
 import com.sparrowwallet.sparrow.AppServices;
 import javafx.beans.property.*;
 import javafx.concurrent.Worker;
+import javafx.scene.Node;
 import javafx.scene.control.DialogPane;
-import javafx.scene.image.Image;
-import javafx.scene.image.ImageView;
 import org.controlsfx.dialog.ProgressDialog;
 
 public class ServiceProgressDialog extends ProgressDialog {
-    public ServiceProgressDialog(String title, String header, String imagePath, Worker<?> worker) {
+    public ServiceProgressDialog(String title, String header, Node graphic, Worker<?> worker) {
         super(worker);
 
         final DialogPane dialogPane = getDialogPane();
@@ -20,8 +19,7 @@ public class ServiceProgressDialog extends ProgressDialog {
         setHeaderText(header);
 
         dialogPane.getStyleClass().remove("progress-dialog");
-        Image image = new Image(imagePath);
-        dialogPane.setGraphic(new ImageView(image));
+        dialogPane.setGraphic(graphic);
     }
 
     public static class ProxyWorker implements Worker<Boolean> {

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

@@ -44,8 +44,7 @@ public class TextAreaDialog extends Dialog<String> {
         final DialogPane dialogPane = new TextAreaDialogPane();
         setDialogPane(dialogPane);
 
-        Image image = new Image("/image/sparrow-small.png");
-        dialogPane.setGraphic(new ImageView(image));
+        dialogPane.setGraphic(new DialogImage(DialogImage.Type.SPARROW));
 
         HBox hbox = new HBox();
         this.textArea = new TextArea(defaultValue);

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

@@ -29,8 +29,7 @@ public class TextfieldDialog extends Dialog<String> {
         final DialogPane dialogPane = getDialogPane();
         setDialogPane(dialogPane);
 
-        Image image = new Image("/image/sparrow-small.png");
-        dialogPane.setGraphic(new ImageView(image));
+        dialogPane.setGraphic(new DialogImage(DialogImage.Type.SPARROW));
 
         HBox hbox = new HBox();
         this.textField = new TextField(defaultValue);

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

@@ -2,14 +2,13 @@ package com.sparrowwallet.sparrow.control;
 
 import com.sparrowwallet.drongo.KeyDerivation;
 import com.sparrowwallet.drongo.wallet.Wallet;
+import com.sparrowwallet.drongo.wallet.WalletModel;
 import com.sparrowwallet.sparrow.AppServices;
 import javafx.application.Platform;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
 import javafx.scene.Node;
 import javafx.scene.control.*;
-import javafx.scene.image.Image;
-import javafx.scene.image.ImageView;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.Priority;
 import javafx.scene.layout.VBox;
@@ -23,17 +22,18 @@ public class TitledDescriptionPane extends TitledPane {
     protected Hyperlink showHideLink;
     protected HBox buttonBox;
 
-    public TitledDescriptionPane(String title, String description, String content, String imageUrl) {
+    public TitledDescriptionPane(String title, String description, String content, WalletModel walletModel) {
         getStylesheets().add(AppServices.class.getResource("general.css").toExternalForm());
         getStyleClass().add("titled-description-pane");
+        setAccessibleText(title);
 
         setPadding(Insets.EMPTY);
-        setGraphic(getTitle(title, description, imageUrl));
+        setGraphic(getTitle(title, description, walletModel));
         setContent(getContentBox(content));
         removeArrow();
     }
 
-    protected Node getTitle(String title, String description, String imageUrl) {
+    protected Node getTitle(String title, String description, WalletModel walletModel) {
         HBox listItem = new HBox();
         listItem.setPadding(new Insets(10, 20, 10, 10));
         listItem.setSpacing(10);
@@ -43,12 +43,8 @@ public class TitledDescriptionPane extends TitledPane {
         imageBox.setMinHeight(50);
         listItem.getChildren().add(imageBox);
 
-        Image image = new Image(imageUrl, 50, 50, true, true);
-        if (!image.isError()) {
-            ImageView imageView = new ImageView();
-            imageView.setImage(image);
-            imageBox.getChildren().add(imageView);
-        }
+        WalletModelImage walletModelImage = new WalletModelImage(walletModel);
+        imageBox.getChildren().add(walletModelImage);
 
         VBox labelsBox = new VBox();
         labelsBox.setSpacing(5);

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

@@ -8,15 +8,13 @@ import com.sparrowwallet.drongo.protocol.Sha256Hash;
 import com.sparrowwallet.drongo.protocol.TransactionOutput;
 import com.sparrowwallet.drongo.uri.BitcoinURI;
 import com.sparrowwallet.drongo.wallet.*;
-import com.sparrowwallet.sparrow.UnitFormat;
-import com.sparrowwallet.sparrow.AppServices;
-import com.sparrowwallet.sparrow.EventManager;
-import com.sparrowwallet.sparrow.Theme;
+import com.sparrowwallet.sparrow.*;
 import com.sparrowwallet.sparrow.event.ExcludeUtxoEvent;
 import com.sparrowwallet.sparrow.event.ReplaceChangeAddressEvent;
 import com.sparrowwallet.sparrow.glyphfont.FontAwesome5;
 import com.sparrowwallet.sparrow.glyphfont.GlyphUtils;
 import com.sparrowwallet.sparrow.io.Config;
+import com.sparrowwallet.sparrow.net.ExchangeSource;
 import com.sparrowwallet.sparrow.wallet.OptimizationStrategy;
 import javafx.beans.property.BooleanProperty;
 import javafx.beans.property.ObjectProperty;
@@ -40,10 +38,7 @@ import javafx.scene.paint.Color;
 import javafx.scene.shape.Circle;
 import javafx.scene.shape.CubicCurve;
 import javafx.scene.shape.Line;
-import javafx.stage.FileChooser;
-import javafx.stage.Modality;
-import javafx.stage.Stage;
-import javafx.stage.StageStyle;
+import javafx.stage.*;
 import javafx.util.Duration;
 import org.controlsfx.glyphfont.Glyph;
 
@@ -232,6 +227,13 @@ public class TransactionDiagram extends GridPane {
         getChildren().clear();
         getChildren().addAll(inputsTypePane, inputsPane, inputsLinesPane, txPane, outputsLinesPane, outputsPane);
 
+        List<Payment> userPayments = getUserPayments();
+        if(!isFinal() && userPayments.size() > 1) {
+            Pane totalsPane = getTotalsPane(userPayments);
+            GridPane.setConstraints(totalsPane, 2, 0, 3, 1);
+            getChildren().add(totalsPane);
+        }
+
         if(contextMenu == null) {
             contextMenu = new ContextMenu();
             MenuItem menuItem = new MenuItem("Save as Image...");
@@ -491,6 +493,11 @@ public class TransactionDiagram extends GridPane {
                 }
                 tooltip.setShowDelay(new Duration(TOOLTIP_SHOW_DELAY));
                 tooltip.setShowDuration(Duration.INDEFINITE);
+                tooltip.setWrapText(true);
+                Window activeWindow = AppServices.getActiveWindow();
+                if(activeWindow != null) {
+                    tooltip.setMaxWidth(activeWindow.getWidth());
+                }
                 if(!tooltip.getText().isEmpty()) {
                     label.setTooltip(tooltip);
                 }
@@ -614,6 +621,10 @@ public class TransactionDiagram extends GridPane {
         }
     }
 
+    private List<Payment> getUserPayments() {
+        return walletTx.getPayments().stream().filter(payment -> payment.getType() == Payment.Type.DEFAULT || payment.getType() == Payment.Type.ANCHOR).toList();
+    }
+
     private Pane getOutputsLines(List<Payment> displayedPayments) {
         VBox pane = new VBox();
         Group group = new Group();
@@ -674,7 +685,7 @@ public class TransactionDiagram extends GridPane {
         List<OutputNode> outputNodes = new ArrayList<>();
         for(Payment payment : displayedPayments) {
             Glyph outputGlyph = GlyphUtils.getOutputGlyph(walletTx, payment);
-            boolean labelledPayment = outputGlyph.getStyleClass().stream().anyMatch(style -> List.of("premix-icon", "badbank-icon", "whirlpoolfee-icon").contains(style)) || payment instanceof AdditionalPayment;
+            boolean labelledPayment = outputGlyph.getStyleClass().stream().anyMatch(style -> List.of("premix-icon", "badbank-icon", "whirlpoolfee-icon", "anchor-icon").contains(style)) || payment instanceof AdditionalPayment || payment.getLabel() != null;
             Label recipientLabel = new Label(payment.getLabel() == null || payment.getType() == Payment.Type.FAKE_MIX || payment.getType() == Payment.Type.MIX ? payment.getAddress().toString().substring(0, 8) + "..." : payment.getLabel(), outputGlyph);
             recipientLabel.getStyleClass().add("output-label");
             recipientLabel.getStyleClass().add(labelledPayment ? "payment-label" : "recipient-label");
@@ -688,6 +699,11 @@ public class TransactionDiagram extends GridPane {
             recipientTooltip.getStyleClass().add("recipient-label");
             recipientTooltip.setShowDelay(new Duration(TOOLTIP_SHOW_DELAY));
             recipientTooltip.setShowDuration(Duration.INDEFINITE);
+            recipientTooltip.setWrapText(true);
+            Window activeWindow = AppServices.getActiveWindow();
+            if(activeWindow != null) {
+                recipientTooltip.setMaxWidth(activeWindow.getWidth());
+            }
             recipientLabel.setTooltip(recipientTooltip);
             HBox paymentBox = new HBox();
             paymentBox.setAlignment(Pos.CENTER_LEFT);
@@ -778,7 +794,7 @@ public class TransactionDiagram extends GridPane {
         boolean highFee = (walletTx.getFeePercentage() > 0.1);
         Label feeLabel = highFee ? new Label("High Fee", getFeeWarningGlyph()) : new Label("Fee", getFeeGlyph());
         feeLabel.getStyleClass().addAll("output-label", "fee-label");
-        String percentage = String.format("%.2f", walletTx.getFeePercentage() * 100.0);
+        String percentage = walletTx.getFeePercentage() < 0.0001d ? "<0.01" : String.format("%.2f", walletTx.getFeePercentage() * 100.0);
         Tooltip feeTooltip = new Tooltip(walletTx.getFee() < 0 ? "Unknown fee" : "Fee of " + getSatsValue(walletTx.getFee()) + " sats (" + percentage + "%)");
         feeTooltip.getStyleClass().add("fee-tooltip");
         feeTooltip.setShowDelay(new Duration(TOOLTIP_SHOW_DELAY));
@@ -832,6 +848,33 @@ public class TransactionDiagram extends GridPane {
         return txPane;
     }
 
+    private Pane getTotalsPane(List<Payment> userPayments) {
+        VBox totalsBox = new VBox();
+        totalsBox.setPadding(new Insets(0, 0, 15, 0));
+        totalsBox.setAlignment(Pos.CENTER);
+
+        long amount = userPayments.stream().mapToLong(Payment::getAmount).sum();
+
+        HBox coinLabelBox = new HBox();
+        coinLabelBox.setAlignment(Pos.CENTER);
+        CoinLabel totalCoinLabel = new CoinLabel();
+        totalCoinLabel.setValue(amount);
+        coinLabelBox.getChildren().addAll(totalCoinLabel, new Label(" in "), new Label(Long.toString(userPayments.size())), new Label(" payments"));
+        totalsBox.getChildren().addAll(createSpacer(), coinLabelBox);
+
+        CurrencyRate currencyRate = AppServices.getFiatCurrencyExchangeRate();
+        if(currencyRate != null && currencyRate.isAvailable() && Config.get().getExchangeSource() != ExchangeSource.NONE) {
+            HBox fiatLabelBox = new HBox();
+            fiatLabelBox.setAlignment(Pos.CENTER);
+            FiatLabel fiatLabel = new FiatLabel();
+            fiatLabel.set(currencyRate, amount);
+            fiatLabelBox.getChildren().add(fiatLabel);
+            totalsBox.getChildren().add(fiatLabelBox);
+        }
+
+        return totalsBox;
+    }
+
     private void saveAsImage() {
         Stage window = new Stage();
         FileChooser fileChooser = new FileChooser();

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

@@ -227,7 +227,8 @@ public class TransactionDiagramLabel extends HBox {
         }
 
         Glyph glyph = GlyphUtils.getFeeGlyph();
-        String text = "Fee of " + transactionDiagram.getSatsValue(walletTx.getFee()) + " sats (" + String.format("%.2f", walletTx.getFeePercentage() * 100.0) + "%)";
+        String percentage = walletTx.getFeePercentage() < 0.0001d ? "<0.01" : String.format("%.2f", walletTx.getFeePercentage() * 100.0);
+        String text = "Fee of " + transactionDiagram.getSatsValue(walletTx.getFee()) + " sats (" + percentage + "%)";
 
         return getOutputLabel(glyph, text);
     }

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

@@ -74,33 +74,15 @@ public class WalletIcon extends StackPane {
 
                 SVGImage svgImage;
                 if(Config.get().getTheme() == Theme.DARK) {
-                    svgImage = loadSVGImage("/image/" + walletModel.getType() + "-icon-invert.svg");
+                    svgImage = loadSVGImage("/image/walletmodel/" + walletModel.getType() + "-icon-invert.svg");
                 } else {
-                    svgImage = loadSVGImage("/image/" + walletModel.getType() + "-icon.svg");
+                    svgImage = loadSVGImage("/image/walletmodel/" + walletModel.getType() + "-icon.svg");
                 }
 
                 if(svgImage != null) {
                     getChildren().add(svgImage);
                     return;
                 }
-
-                Image image = null;
-                if(Config.get().getTheme() == Theme.DARK) {
-                    image = loadImage("image/" + walletModel.getType() + "-icon-invert.png");
-                }
-
-                if(image == null) {
-                    image = loadImage("image/" + walletModel.getType() + "-icon.png");
-                }
-
-                if(image == null) {
-                    image = loadImage("image/" + walletModel.getType() + ".png");
-                }
-
-                if(image != null && !image.isError()) {
-                    ImageView imageView = new ImageView(image);
-                    getChildren().add(imageView);
-                }
             }
         }
 
@@ -127,16 +109,6 @@ public class WalletIcon extends StackPane {
         return null;
     }
 
-    private Image loadImage(String imageName) {
-        try {
-            return new Image(imageName, 15, 15, true, true);
-        } catch(Exception e) {
-            //ignore
-        }
-
-        return null;
-    }
-
     private void addWalletIcon(String walletId) {
         Image image = new Image(PROTOCOL + ":" + walletId.replaceAll(" ", "%20").replaceAll("#", "%23") + "?" + QUERY, WIDTH, HEIGHT, true, false);
         getChildren().clear();

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

@@ -0,0 +1,78 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.sparrowwallet.drongo.wallet.WalletModel;
+import com.sparrowwallet.sparrow.AppServices;
+import com.sparrowwallet.sparrow.Theme;
+import com.sparrowwallet.sparrow.io.Config;
+import javafx.beans.NamedArg;
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
+import javafx.scene.image.Image;
+import javafx.scene.layout.StackPane;
+import org.girod.javafx.svgimage.SVGImage;
+import org.girod.javafx.svgimage.SVGLoader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.URL;
+
+public class WalletModelImage extends StackPane {
+    private static final Logger log = LoggerFactory.getLogger(WalletModelImage.class);
+
+    public static final int WIDTH = 50;
+    public static final int HEIGHT = 50;
+
+    private final ObjectProperty<WalletModel> walletModelProperty = new SimpleObjectProperty<>();
+
+    public WalletModelImage() {
+        setPrefSize(WIDTH, HEIGHT);
+        walletModelProperty.addListener((observable, oldValue, walletModel) -> {
+            refresh(walletModel);
+        });
+    }
+
+    public WalletModelImage(@NamedArg("walletModel") WalletModel walletModel) {
+        this();
+        walletModelProperty.set(walletModel);
+    }
+
+    public WalletModel getWalletModel() {
+        return walletModelProperty.get();
+    }
+
+    public ObjectProperty<WalletModel> walletModelProperty() {
+        return walletModelProperty;
+    }
+
+    public void refresh() {
+        WalletModel walletModel = getWalletModel();
+        refresh(walletModel);
+    }
+
+    protected void refresh(WalletModel walletModel) {
+        SVGImage svgImage;
+        if(Config.get().getTheme() == Theme.DARK) {
+            svgImage = loadSVGImage("/image/walletmodel/" + walletModel.getType() + "-invert.svg");
+        } else {
+            svgImage = loadSVGImage("/image/walletmodel/" + walletModel.getType() + ".svg");
+        }
+
+        if(svgImage != null) {
+            getChildren().clear();
+            getChildren().add(svgImage);
+        }
+    }
+
+    private SVGImage loadSVGImage(String imageName) {
+        try {
+            URL url = AppServices.class.getResource(imageName);
+            if(url != null) {
+                return SVGLoader.load(url);
+            }
+        } catch(Exception e) {
+            log.error("Could not find image " + imageName);
+        }
+
+        return null;
+    }
+}

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

@@ -17,6 +17,7 @@ import javafx.scene.control.*;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.layout.HBox;
+import javafx.scene.layout.Priority;
 import javafx.scene.layout.VBox;
 
 import java.util.ArrayList;
@@ -43,14 +44,7 @@ public class WalletSummaryDialog extends Dialog<Void> {
 
         AppServices.setStageIcon(dialogPane.getScene().getWindow());
         dialogPane.setHeaderText("Wallet Summary for " + (allOpenWallets ? "All Open Wallets" : masterWallets.get(0).getName()));
-
-        Image image = new Image("image/sparrow-small.png", 50, 50, false, false);
-        if(!image.isError()) {
-            ImageView imageView = new ImageView();
-            imageView.setSmooth(false);
-            imageView.setImage(image);
-            dialogPane.setGraphic(imageView);
-        }
+        dialogPane.setGraphic(new DialogImage(DialogImage.Type.SPARROW));
 
         HBox hBox = new HBox(40);
 
@@ -110,6 +104,7 @@ public class WalletSummaryDialog extends Dialog<Void> {
         vBox.getChildren().add(table);
 
         hBox.getChildren().add(vBox);
+        HBox.setHgrow(vBox, Priority.ALWAYS);
 
         Wallet balanceWallet;
         if(allOpenWallets) {

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

@@ -0,0 +1,73 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.sparrowwallet.drongo.OsType;
+
+public enum WebcamPixelFormat {
+    //Only V4L2 formats defined in linux/videodev2.h are required here, declared in order of priority for supported formats
+    PIX_FMT_RGB24("RGB3", true),
+    PIX_FMT_YUYV("YUYV", true),
+    PIX_FMT_MJPG("MJPG", true),
+    PIX_FMT_NV12("NV12", false);
+
+    private final String name;
+    private final boolean supported;
+
+    WebcamPixelFormat(String name, boolean supported) {
+        this.name = name;
+        this.supported = supported;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public boolean isSupported() {
+        return supported;
+    }
+
+    public String toString() {
+        return name;
+    }
+
+    public static WebcamPixelFormat fromFourCC(int fourCC) {
+        String strFourCC = fourCCToString(fourCC);
+        for(WebcamPixelFormat pixelFormat : WebcamPixelFormat.values()) {
+            if(pixelFormat.getName().equalsIgnoreCase(strFourCC)) {
+                return pixelFormat;
+            }
+        }
+
+        return null;
+    }
+
+    public static String fourCCToString(int fourCC) {
+        int fccVal = fourCC;
+        int tmp = fccVal;
+
+        if(OsType.getCurrent() == OsType.MACOS) {
+            tmp = ((tmp >> 16) & 0x0000FFFF) | ((tmp << 16) & 0xFFFF0000);
+            tmp = ((tmp & 0x00FF00FF) << 8) | ((tmp & 0xFF00FF00) >>> 8);
+        }
+
+        fccVal = tmp;
+
+        StringBuilder v = new StringBuilder(4);
+        for(int i = 0; i < 4; i++) {
+            char c = (char) (fccVal & 0xFF);
+            v.append(c);
+            fccVal >>>= 8;
+        }
+
+        return v.toString();
+    }
+
+    public static int getPriority(WebcamPixelFormat pixelFormat) {
+        if(pixelFormat == null) {
+            return values().length;
+        } else if(pixelFormat.isSupported()) {
+            return pixelFormat.ordinal();
+        } else {
+            return values().length + 1;
+        }
+    }
+}

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

@@ -0,0 +1,71 @@
+package com.sparrowwallet.sparrow.control;
+
+import org.openpnp.capture.CaptureFormat;
+
+import java.util.Arrays;
+
+public enum WebcamResolution implements Comparable<WebcamResolution> {
+    VGA("480p", 640, 480),
+    HD("720p", 1280, 720),
+    FHD("1080p", 1920, 1080),
+    UHD4K("4K", 3840, 2160);
+
+    private final String name;
+    private final int width;
+    private final int height;
+
+    WebcamResolution(String name, int width, int height) {
+        this.name = name;
+        this.width = width;
+        this.height = height;
+    }
+
+    public int getPixelsCount() {
+        return this.width * this.height;
+    }
+
+    public boolean isStandardAspect() {
+        return Arrays.equals(getAspectRatio(), new int[]{4, 3});
+    }
+
+    public boolean isWidescreenAspect() {
+        return Arrays.equals(getAspectRatio(), new int[]{16, 9});
+    }
+
+    public int[] getAspectRatio() {
+        int factor = this.getCommonFactor(this.width, this.height);
+        int wr = this.width / factor;
+        int hr = this.height / factor;
+        return new int[] {wr, hr};
+    }
+
+    private int getCommonFactor(int width, int height) {
+        return height == 0 ? width : this.getCommonFactor(height, width % height);
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getWidth() {
+        return this.width;
+    }
+
+    public int getHeight() {
+        return this.height;
+    }
+
+    public String toString() {
+        return name;
+    }
+
+    public static WebcamResolution from(CaptureFormat captureFormat) {
+        for(WebcamResolution resolution : values()) {
+            if(captureFormat.getFormatInfo().width == resolution.width && captureFormat.getFormatInfo().height == resolution.height) {
+                return resolution;
+            }
+        }
+
+        return null;
+    }
+}

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

@@ -1,372 +0,0 @@
-package com.sparrowwallet.sparrow.control;
-
-import com.github.sarxos.webcam.*;
-import com.github.sarxos.webcam.ds.buildin.natives.Device;
-import com.github.sarxos.webcam.ds.buildin.natives.DeviceList;
-import com.github.sarxos.webcam.ds.buildin.natives.OpenIMAJGrabber;
-import org.bridj.Pointer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.awt.*;
-import java.awt.color.ColorSpace;
-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;
-
-@SuppressWarnings("deprecation")
-public class WebcamScanDevice implements WebcamDevice, WebcamDevice.BufferAccess, Runnable, WebcamDevice.FPSSource {
-    private static final Logger LOG = LoggerFactory.getLogger(WebcamScanDevice.class);
-    private static final int DEVICE_BUFFER_SIZE = 5;
-    private static final Dimension[] DIMENSIONS;
-    private static final int[] BAND_OFFSETS;
-    private static final int[] BITS;
-    private static final int[] OFFSET;
-    private static final int DATA_TYPE = 0;
-    private static final ColorSpace COLOR_SPACE;
-    public static final int SCAN_LOOP_WAIT_MILLIS = 100;
-    private int timeout = 5000;
-    private OpenIMAJGrabber grabber = null;
-    private Device device = null;
-    private Dimension size = null;
-    private ComponentSampleModel smodel = null;
-    private ColorModel cmodel = null;
-    private boolean failOnSizeMismatch = false;
-    private final AtomicBoolean disposed = new AtomicBoolean(false);
-    private final AtomicBoolean open = new AtomicBoolean(false);
-    private final AtomicBoolean fresh = new AtomicBoolean(false);
-    private Thread refresher = null;
-    private String name = null;
-    private String id = null;
-    private String fullname = null;
-    private long t1 = -1L;
-    private long t2 = -1L;
-    private volatile double fps = 0.0D;
-
-    protected WebcamScanDevice(Device device) {
-        this.device = device;
-        this.name = device.getNameStr();
-        this.id = device.getIdentifierStr();
-        this.fullname = String.format("%s %s", this.name, this.id);
-    }
-
-    public String getName() {
-        return this.fullname;
-    }
-
-    public String getDeviceName() {
-        return this.name;
-    }
-
-    public String getDeviceId() {
-        return this.id;
-    }
-
-    public Device getDeviceRef() {
-        return this.device;
-    }
-
-    public Dimension[] getResolutions() {
-        return DIMENSIONS;
-    }
-
-    public Dimension getResolution() {
-        if (this.size == null) {
-            this.size = this.getResolutions()[0];
-        }
-
-        return this.size;
-    }
-
-    public void setResolution(Dimension size) {
-        if (size == null) {
-            throw new IllegalArgumentException("Size cannot be null");
-        } else if (this.open.get()) {
-            throw new IllegalStateException("Cannot change resolution when webcam is open, please close it first");
-        } else {
-            this.size = size;
-        }
-    }
-
-    public ByteBuffer getImageBytes() {
-        if (this.disposed.get()) {
-            LOG.debug("Webcam is disposed, image will be null");
-            return null;
-        } else if (!this.open.get()) {
-            LOG.debug("Webcam is closed, image will be null");
-            return null;
-        } else {
-            if (this.fresh.compareAndSet(false, true)) {
-                this.updateFrameBuffer();
-            }
-
-            LOG.trace("Webcam grabber get image pointer");
-            Pointer<Byte> image = this.grabber.getImage();
-            this.fresh.set(false);
-            if (image == null) {
-                LOG.warn("Null array pointer found instead of image");
-                return null;
-            } else {
-                int length = this.size.width * this.size.height * 3;
-                LOG.trace("Webcam device get buffer, read {} bytes", length);
-                return image.getByteBuffer((long)length);
-            }
-        }
-    }
-
-    public void getImageBytes(ByteBuffer target) {
-        if (this.disposed.get()) {
-            LOG.debug("Webcam is disposed, image will be null");
-        } else if (!this.open.get()) {
-            LOG.debug("Webcam is closed, image will be null");
-        } else {
-            int minSize = this.size.width * this.size.height * 3;
-            int curSize = target.remaining();
-            if (minSize > curSize) {
-                throw new IllegalArgumentException(String.format("Not enough remaining space in target buffer (%d necessary vs %d remaining)", minSize, curSize));
-            } else {
-                if (this.fresh.compareAndSet(false, true)) {
-                    this.updateFrameBuffer();
-                }
-
-                LOG.trace("Webcam grabber get image pointer");
-                Pointer<Byte> image = this.grabber.getImage();
-                this.fresh.set(false);
-                if (image == null) {
-                    LOG.warn("Null array pointer found instead of image");
-                } else {
-                    LOG.trace("Webcam device read buffer {} bytes", minSize);
-                    image = image.validBytes((long)minSize);
-                    image.getBytes(target);
-                }
-            }
-        }
-    }
-
-    public BufferedImage getImage() {
-        ByteBuffer buffer = this.getImageBytes();
-        if (buffer == null) {
-            LOG.error("Images bytes buffer is null!");
-            return null;
-        } else {
-            byte[] bytes = new byte[this.size.width * this.size.height * 3];
-            byte[][] data = new byte[][]{bytes};
-            buffer.get(bytes);
-            DataBufferByte dbuf = new DataBufferByte(data, bytes.length, OFFSET);
-            WritableRaster raster = Raster.createWritableRaster(this.smodel, dbuf, (Point)null);
-            BufferedImage bi = new BufferedImage(this.cmodel, raster, false, (Hashtable)null);
-            bi.flush();
-            return bi;
-        }
-    }
-
-    public void open() {
-        if (!this.disposed.get()) {
-            LOG.debug("Opening webcam device {}", this.getName());
-            if (this.size == null) {
-                this.size = this.getResolutions()[0];
-            }
-
-            if (this.size == null) {
-                throw new RuntimeException("The resolution size cannot be null");
-            } else {
-                LOG.debug("Webcam device {} starting session, size {}", this.device.getIdentifierStr(), this.size);
-                this.grabber = new OpenIMAJGrabber();
-                DeviceList list = (DeviceList)this.grabber.getVideoDevices().get();
-                Iterator var2 = list.asArrayList().iterator();
-
-                while(var2.hasNext()) {
-                    Device d = (Device)var2.next();
-                    d.getNameStr();
-                    d.getIdentifierStr();
-                }
-
-                boolean started = this.grabber.startSession(this.size.width, this.size.height, 50, Pointer.pointerTo(this.device));
-                if (!started) {
-                    throw new WebcamException("Cannot start native grabber!");
-                } else {
-                    this.grabber.setTimeout(this.timeout);
-                    LOG.debug("Webcam device session started");
-                    Dimension size2 = new Dimension(this.grabber.getWidth(), this.grabber.getHeight());
-                    int w1 = this.size.width;
-                    int w2 = size2.width;
-                    int h1 = this.size.height;
-                    int h2 = size2.height;
-                    if (w1 != w2 || h1 != h2) {
-                        if (this.failOnSizeMismatch) {
-                            throw new WebcamException(String.format("Different size obtained vs requested - [%dx%d] vs [%dx%d]", w1, h1, w2, h2));
-                        }
-
-                        Object[] args = new Object[]{w1, h1, w2, h2, w2, h2};
-                        LOG.warn("Different size obtained vs requested - [{}x{}] vs [{}x{}]. Setting correct one. New size is [{}x{}]", args);
-                        this.size = new Dimension(w2, h2);
-                    }
-
-                    this.smodel = new ComponentSampleModel(0, this.size.width, this.size.height, 3, this.size.width * 3, BAND_OFFSETS);
-                    this.cmodel = new ComponentColorModel(COLOR_SPACE, BITS, false, false, 1, 0);
-                    LOG.debug("Clear memory buffer");
-                    this.clearMemoryBuffer();
-                    LOG.debug("Webcam device {} is now open", this);
-                    this.open.set(true);
-                    this.refresher = this.startFramesRefresher();
-                }
-            }
-        }
-    }
-
-    private void clearMemoryBuffer() {
-        for(int i = 0; i < 5; ++i) {
-            this.grabber.nextFrame();
-        }
-
-    }
-
-    private Thread startFramesRefresher() {
-        Thread refresher = new Thread(this, String.format("frames-refresher-[%s]", this.id));
-        refresher.setUncaughtExceptionHandler(WebcamExceptionHandler.getInstance());
-        refresher.setDaemon(true);
-        refresher.start();
-        return refresher;
-    }
-
-    public void close() {
-        if (this.open.compareAndSet(true, false)) {
-            LOG.debug("Closing webcam device");
-            this.grabber.stopSession();
-        }
-    }
-
-    public void dispose() {
-        if (this.disposed.compareAndSet(false, true)) {
-            LOG.debug("Disposing webcam device {}", this.getName());
-            this.close();
-        }
-    }
-
-    public void setFailOnSizeMismatch(boolean fail) {
-        this.failOnSizeMismatch = fail;
-    }
-
-    public boolean isOpen() {
-        return this.open.get();
-    }
-
-    public int getTimeout() {
-        return this.timeout;
-    }
-
-    public void setTimeout(int timeout) {
-        if (this.isOpen()) {
-            throw new WebcamException("Timeout must be set before webcam is open");
-        } else {
-            this.timeout = timeout;
-        }
-    }
-
-    private void updateFrameBuffer() {
-        LOG.trace("Next frame");
-        if (this.t1 == -1L || this.t2 == -1L) {
-            this.t1 = System.currentTimeMillis();
-            this.t2 = System.currentTimeMillis();
-        }
-
-        int result = (new WebcamScanDevice.NextFrameTask(this)).nextFrame();
-        this.t1 = this.t2;
-        this.t2 = System.currentTimeMillis();
-        this.fps = (4.0D * this.fps + (double)(1000L / (this.t2 - this.t1 + 1L))) / 5.0D;
-        if (result == -1) {
-            LOG.error("Timeout when requesting image!");
-        } else if (result < -1) {
-            LOG.error("Error requesting new frame!");
-        }
-
-    }
-
-    public void run() {
-        do {
-            try {
-                Thread.sleep(SCAN_LOOP_WAIT_MILLIS);
-            } catch(InterruptedException e) {
-                //ignore
-            }
-
-            if (Thread.interrupted()) {
-                LOG.debug("Refresher has been interrupted");
-                return;
-            }
-
-            if (!this.open.get()) {
-                LOG.debug("Cancelling refresher");
-                return;
-            }
-
-            this.updateFrameBuffer();
-        } while(this.open.get());
-
-    }
-
-    public double getFPS() {
-        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};
-        BITS = new int[]{8, 8, 8};
-        OFFSET = new int[]{0};
-        COLOR_SPACE = ColorSpace.getInstance(1000);
-    }
-
-    private class NextFrameTask extends WebcamTask {
-        private final AtomicInteger result = new AtomicInteger(0);
-
-        public NextFrameTask(WebcamDevice device) {
-            super(device);
-        }
-
-        public int nextFrame() {
-            try {
-                this.process();
-            } catch (InterruptedException var2) {
-                WebcamScanDevice.LOG.debug("Image buffer request interrupted", var2);
-            }
-
-            return this.result.get();
-        }
-
-        protected void handle() {
-            WebcamScanDevice device = (WebcamScanDevice)this.getDevice();
-            if (device.isOpen()) {
-                try {
-                    Thread.sleep(SCAN_LOOP_WAIT_MILLIS);
-                } catch(InterruptedException e) {
-                    //ignore
-                }
-
-                this.result.set(WebcamScanDevice.this.grabber.nextFrame());
-                WebcamScanDevice.this.fresh.set(true);
-            }
-        }
-    }
-}

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

@@ -1,45 +0,0 @@
-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() {
-        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 webcamDevices;
-    }
-
-    public static ObservableList<WebcamDevice> getFoundDevices() {
-        return webcamDevices;
-    }
-
-    public static void rescan() {
-        rescan = true;
-    }
-}

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

@@ -1,11 +1,11 @@
 package com.sparrowwallet.sparrow.control;
 
-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.bokmakierie.Bokmakierie;
+import com.sparrowwallet.drongo.OsType;
 import com.sparrowwallet.sparrow.io.Config;
 import javafx.beans.property.BooleanProperty;
 import javafx.beans.property.ObjectProperty;
@@ -16,6 +16,8 @@ import javafx.concurrent.Task;
 import javafx.embed.swing.SwingFXUtils;
 import javafx.scene.image.Image;
 import net.sourceforge.zbar.ZBar;
+import org.openpnp.capture.*;
+import org.openpnp.capture.library.OpenpnpCaptureLibrary;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -23,38 +25,76 @@ import java.awt.*;
 import java.awt.geom.RoundRectangle2D;
 import java.awt.image.BufferedImage;
 import java.awt.image.WritableRaster;
-import java.util.Arrays;
+import java.util.*;
 import java.util.List;
-import java.util.Map;
-import java.util.concurrent.TimeUnit;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public class WebcamService extends ScheduledService<Image> {
     private static final Logger log = LoggerFactory.getLogger(WebcamService.class);
 
+    private List<CaptureDevice> devices;
+    private Set<WebcamResolution> resolutions;
+
     private WebcamResolution resolution;
-    private WebcamDevice device;
-    private final WebcamListener listener;
-    private final WebcamUpdater.DelayCalculator delayCalculator;
+    private CaptureDevice device;
     private final BooleanProperty opening = new SimpleBooleanProperty(false);
+    private final BooleanProperty closed = new SimpleBooleanProperty(false);
 
     private final ObjectProperty<Result> resultProperty = new SimpleObjectProperty<>(null);
 
     private static final int QR_SAMPLE_PERIOD_MILLIS = 200;
 
-    private Webcam cam;
+    private final OpenPnpCapture capture;
+    private CaptureStream stream;
+    private PropertyLimits zoomLimits;
     private long lastQrSampleTime;
     private final Reader qrReader;
     private final Bokmakierie bokmakierie;
 
     static {
-        Webcam.setDriver(new WebcamScanDriver());
+        if(log.isTraceEnabled()) {
+            OpenpnpCaptureLibrary.INSTANCE.Cap_setLogLevel(8);
+        } else if(log.isDebugEnabled()) {
+            OpenpnpCaptureLibrary.INSTANCE.Cap_setLogLevel(7);
+        } else if(log.isInfoEnabled()) {
+            OpenpnpCaptureLibrary.INSTANCE.Cap_setLogLevel(6);
+        }
+
+        OpenpnpCaptureLibrary.INSTANCE.Cap_installCustomLogFunction((level, ptr) -> {
+            switch(level) {
+                case 0:
+                case 1:
+                case 2:
+                case 3:
+                    String err = ptr.getString(0).trim();
+                    if(err.equals("tjDecompressHeader2 failed: No error") || err.matches("getPropertyLimits.*failed on.*")) { //Safe to ignore
+                        log.debug(err);
+                    } else {
+                        log.error(err);
+                    }
+                    break;
+                case 4:
+                case 5:
+                case 6:
+                    log.info(ptr.getString(0).trim());
+                    break;
+                case 7:
+                    log.debug(ptr.getString(0).trim());
+                    break;
+                case 8:
+                default:
+                    log.trace(ptr.getString(0).trim());
+                    break;
+            }
+        });
     }
 
-    public WebcamService(WebcamResolution resolution, WebcamDevice device, WebcamListener listener, WebcamUpdater.DelayCalculator delayCalculator) {
-        this.resolution = resolution;
-        this.device = device;
-        this.listener = listener;
-        this.delayCalculator = delayCalculator;
+    public WebcamService(WebcamResolution requestedResolution, CaptureDevice requestedDevice) {
+        this.capture = new OpenPnpCapture();
+        this.resolution = requestedResolution;
+        this.device = requestedDevice;
         this.lastQrSampleTime = System.currentTimeMillis();
         this.qrReader = new QRCodeReader();
         this.bokmakierie = new Bokmakierie();
@@ -62,50 +102,84 @@ public class WebcamService extends ScheduledService<Image> {
 
     @Override
     public Task<Image> createTask() {
-        return new Task<Image>() {
+        return new Task<>() {
             @Override
             protected Image call() throws Exception {
                 try {
-                    if(cam == null) {
-                        List<Webcam> webcams = Webcam.getWebcams(1, TimeUnit.MINUTES);
-                        if(webcams.isEmpty()) {
-                            throw new UnsupportedOperationException("No camera available.");
+                    if(stream == null) {
+                        devices = capture.getDevices();
+
+                        if(devices.isEmpty()) {
+                            throw new UnsupportedOperationException("No cameras available");
                         }
 
-                        cam = webcams.get(0);
+                        CaptureDevice selectedDevice = devices.stream().filter(d -> !d.getFormats().isEmpty()).findFirst().orElse(devices.getFirst());
 
                         if(device != null) {
-                            for(Webcam webcam : webcams) {
-                                if(webcam.getDevice().getName().equals(device.getName())) {
-                                    cam = webcam;
+                            for(CaptureDevice webcam : devices) {
+                                if(webcam.getName().equals(device.getName())) {
+                                    selectedDevice = webcam;
                                 }
                             }
                         } else if(Config.get().getWebcamDevice() != null) {
-                            for(Webcam webcam : webcams) {
-                                if(webcam.getDevice().getName().equals(Config.get().getWebcamDevice())) {
-                                    cam = webcam;
+                            for(CaptureDevice webcam : devices) {
+                                if(webcam.getName().equals(Config.get().getWebcamDevice())) {
+                                    selectedDevice = webcam;
                                 }
                             }
                         }
 
-                        device = cam.getDevice();
+                        device = selectedDevice;
 
-                        cam.setCustomViewSizes(resolution.getSize());
-                        cam.setViewSize(resolution.getSize());
-                        if(!Arrays.asList(cam.getWebcamListeners()).contains(listener)) {
-                            cam.addWebcamListener(listener);
+                        if(device.getFormats().isEmpty()) {
+                            throw new UnsupportedOperationException("No resolutions supported by camera " + device.getName());
+                        }
+
+                        List<CaptureFormat> deviceFormats = new ArrayList<>(device.getFormats());
+
+                        //On *nix prioritise supported camera pixel formats, preferring RGB3, then YUYV, then MJPG
+                        //On macOS and Windows, camera pixel format is largely abstracted away
+                        if(OsType.getCurrent() == OsType.UNIX) {
+                            deviceFormats.sort((f1, f2) -> {
+                                WebcamPixelFormat pf1 = WebcamPixelFormat.fromFourCC(f1.getFormatInfo().fourcc);
+                                WebcamPixelFormat pf2 = WebcamPixelFormat.fromFourCC(f2.getFormatInfo().fourcc);
+                                return Integer.compare(WebcamPixelFormat.getPriority(pf1), WebcamPixelFormat.getPriority(pf2));
+                            });
+                        }
+
+                        Map<WebcamResolution, CaptureFormat> supportedResolutions = deviceFormats.stream()
+                                .filter(f -> WebcamResolution.from(f) != null)
+                                .collect(Collectors.toMap(WebcamResolution::from, Function.identity(), (u, v) -> u, TreeMap::new));
+                        resolutions = supportedResolutions.keySet();
+
+                        CaptureFormat format = supportedResolutions.get(resolution);
+                        if(format == null) {
+                            if(!supportedResolutions.isEmpty()) {
+                                resolution = getNearestEnum(resolution, supportedResolutions.keySet().toArray(new WebcamResolution[0]));
+                                format = supportedResolutions.get(resolution);
+                            } else {
+                                format = device.getFormats().getFirst();
+                                log.warn("Could not get standard capture resolution, using " + format.getFormatInfo().width + "x" + format.getFormatInfo().height);
+                            }
+                        }
+
+                        if(log.isDebugEnabled()) {
+                            log.debug("Opening capture stream  on " + device + " with format " + format.getFormatInfo().width + "x" + format.getFormatInfo().height + " (" + WebcamPixelFormat.fourCCToString(format.getFormatInfo().fourcc) + ")");
                         }
 
                         opening.set(true);
-                        cam.open(true, delayCalculator);
+                        stream = device.openStream(format);
                         opening.set(false);
+                        closed.set(false);
+
+                        try {
+                            zoomLimits = stream.getPropertyLimits(CaptureProperty.Zoom);
+                        } catch(Throwable e) {
+                            log.debug("Error getting zoom limits on " + device + ", assuming no zoom function");
+                        }
                     }
 
-                    BufferedImage originalImage = cam.getImage();
-                    if(originalImage == null) {
-                        return null;
-                    }
-
+                    BufferedImage originalImage = stream.capture();
                     CroppedDimension cropped = getCroppedDimension(originalImage);
                     BufferedImage croppedImage = originalImage.getSubimage(cropped.x, cropped.y, cropped.length, cropped.length);
                     BufferedImage framedImage = getFramedImage(originalImage, cropped);
@@ -128,19 +202,51 @@ public class WebcamService extends ScheduledService<Image> {
 
     @Override
     public void reset() {
-        cam = null;
+        stream = null;
+        zoomLimits = null;
         super.reset();
     }
 
     @Override
     public boolean cancel() {
-        if(cam != null && !cam.close()) {
-            cam.close();
+        if(stream != null) {
+            stream.close();
+            closed.set(true);
         }
 
         return super.cancel();
     }
 
+    public void close() {
+        capture.close();
+    }
+
+    public PropertyLimits getZoomLimits() {
+        return zoomLimits;
+    }
+
+    public int getZoom() {
+        if(stream != null && zoomLimits != null) {
+            try {
+                return stream.getProperty(CaptureProperty.Zoom);
+            } catch(Exception e) {
+                log.error("Error getting zoom property on " + device, e);
+            }
+        }
+
+        return -1;
+    }
+
+    public void setZoom(int value) {
+        if(stream != null && zoomLimits != null) {
+            try {
+                stream.setProperty(CaptureProperty.Zoom, value);
+            } catch(Exception e) {
+                log.error("Error setting zoom property on " + device, e);
+            }
+        }
+    }
+
     private void readQR(BufferedImage wideImage, BufferedImage croppedImage) {
         Result result = readQR(wideImage);
         if(result == null) {
@@ -189,7 +295,7 @@ public class WebcamService extends ScheduledService<Image> {
         g2d.drawImage(image, 0, 0, null);
         float[] dash1 = {10.0f};
         g2d.setColor(Color.BLACK);
-        g2d.setStroke(new BasicStroke(resolution == WebcamResolution.HD ? 3.0f : 1.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 10.0f, dash1, 0.0f));
+        g2d.setStroke(new BasicStroke(resolution.isWidescreenAspect() ? 3.0f : 1.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 10.0f, dash1, 0.0f));
         g2d.draw(new RoundRectangle2D.Double(cropped.x, cropped.y, cropped.length, cropped.length, 10, 10));
         g2d.dispose();
         return clone;
@@ -226,6 +332,14 @@ public class WebcamService extends ScheduledService<Image> {
         }
     }
 
+    public List<CaptureDevice> getDevices() {
+        return devices;
+    }
+
+    public Set<WebcamResolution> getResolutions() {
+        return resolutions;
+    }
+
     public Result getResult() {
         return resultProperty.get();
     }
@@ -235,33 +349,48 @@ public class WebcamService extends ScheduledService<Image> {
     }
 
     public int getCamWidth() {
-        return resolution.getSize().width;
+        return resolution.getWidth();
     }
 
     public int getCamHeight() {
-        return resolution.getSize().height;
+        return resolution.getHeight();
+    }
+
+    public WebcamResolution getResolution() {
+        return resolution;
     }
 
     public void setResolution(WebcamResolution resolution) {
         this.resolution = resolution;
     }
 
-    public WebcamDevice getDevice() {
+    public CaptureDevice getDevice() {
         return device;
     }
 
-    public void setDevice(WebcamDevice device) {
+    public void setDevice(CaptureDevice device) {
         this.device = device;
     }
 
-    public boolean isOpening() {
-        return opening.get();
-    }
-
     public BooleanProperty openingProperty() {
         return opening;
     }
 
+    public BooleanProperty closedProperty() {
+        return closed;
+    }
+
+    public static <T extends Enum<T>> T getNearestEnum(T target) {
+        return getNearestEnum(target, target.getDeclaringClass().getEnumConstants());
+    }
+
+    public static <T extends Enum<T>> T getNearestEnum(T target, T[] values) {
+        int ordinal = target.ordinal();
+        return Stream.concat(ordinal > 0 ? Stream.of(values[ordinal - 1]) : Stream.empty(), ordinal < values.length - 1 ? Stream.of(values[ordinal + 1]) : Stream.empty())
+                .findFirst()
+                .orElse(null);
+    }
+
     private static class CroppedDimension {
         public int x;
         public int y;

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

@@ -46,6 +46,19 @@ public class WebcamView {
         imageView.setOnContextMenuRequested(event -> {
             contextMenu.show(imageView, event.getScreenX(), event.getScreenY());
         });
+        imageView.setOnScroll(scrollEvent -> {
+            if(service.isRunning() && scrollEvent.getDeltaY() != 0 && service.getZoomLimits() != null) {
+                int currentZoom = service.getZoom();
+                if(currentZoom >= 0) {
+                    int newZoom = scrollEvent.getDeltaY() > 0 ? Math.round(currentZoom * 1.1f) : Math.round(currentZoom * 0.9f);
+                    newZoom = Math.max(newZoom, service.getZoomLimits().getMin());
+                    newZoom = Math.min(newZoom, service.getZoomLimits().getMax());
+                    if(newZoom != currentZoom) {
+                        service.setZoom(newZoom);
+                    }
+                }
+            }
+        });
 
         service.valueProperty().addListener((observable, oldValue, newValue) -> {
             if(newValue != null) {
@@ -57,27 +70,29 @@ public class WebcamView {
         this.view = new Region() {
             {
                 service.stateProperty().addListener((obs, oldState, newState) -> {
-                    switch (newState) {
+                    switch(newState) {
                         case READY:
                             if(imageProperty.get() == null) {
                                 statusPlaceholder.setText("Initializing");
                                 getChildren().setAll(statusPlaceholder);
                             }
-                            break ;
+                            break;
                         case SCHEDULED:
                             if(imageProperty.get() == null) {
                                 statusPlaceholder.setText("Waiting");
                                 getChildren().setAll(statusPlaceholder);
                             }
-                            break ;
+                            break;
                         case RUNNING:
-                            imageView.imageProperty().unbind();
-                            imageView.imageProperty().bind(imageProperty);
-                            getChildren().setAll(imageView);
-                            break ;
+                            if(imageProperty.get() == null) {
+                                imageView.imageProperty().unbind();
+                                imageView.imageProperty().bind(imageProperty);
+                                getChildren().setAll(imageView);
+                            }
+                            break;
                         case CANCELLED:
+                            imageProperty.set(null);
                             imageView.imageProperty().unbind();
-                            imageView.setImage(null);
                             statusPlaceholder.setText("Stopped");
                             getChildren().setAll(statusPlaceholder);
                             break;
@@ -93,7 +108,6 @@ public class WebcamView {
                             statusPlaceholder.setText("");
                             getChildren().clear();
                     }
-                    requestLayout();
                 });
             }
 
@@ -102,14 +116,14 @@ public class WebcamView {
                 super.layoutChildren();
                 double w = getWidth();
                 double h = getHeight();
-                if (service.isRunning()) {
+                if(service.isRunning()) {
                     imageView.setFitWidth(w);
                     imageView.setFitHeight(h);
                     imageView.resizeRelocate(0, 0, w, h);
                 } else {
                     double labelHeight = statusPlaceholder.prefHeight(w);
                     double labelWidth = statusPlaceholder.prefWidth(labelHeight);
-                    statusPlaceholder.resizeRelocate((w - labelWidth)/2, (h-labelHeight)/2, labelWidth, labelHeight);
+                    statusPlaceholder.resizeRelocate((w - labelWidth) / 2, (h - labelHeight) / 2, labelWidth, labelHeight);
                 }
             }
 

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

@@ -36,7 +36,7 @@ public class XprvKeystoreImportPane extends TitledDescriptionPane {
     private ExtendedKey xprv;
 
     public XprvKeystoreImportPane(Wallet wallet, KeystoreXprvImport importer, KeyDerivation defaultDerivation) {
-        super(importer.getName(), "Extended key import", importer.getKeystoreImportDescription(), "image/" + importer.getWalletModel().getType() + ".png");
+        super(importer.getName(), "Extended key import", importer.getKeystoreImportDescription(), importer.getWalletModel());
         this.wallet = wallet;
         this.importer = importer;
         this.defaultDerivation = defaultDerivation;
@@ -46,7 +46,7 @@ public class XprvKeystoreImportPane extends TitledDescriptionPane {
     }
 
     public XprvKeystoreImportPane(Keystore keystore) {
-        super("Master Private Key", "BIP32 key", "", "image/" + WalletModel.SEED.getType() + ".png");
+        super("Master Private Key", "BIP32 key", "", WalletModel.SEED);
         this.wallet = null;
         this.importer = null;
         this.defaultDerivation = keystore.getKeyDerivation();

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

@@ -0,0 +1,23 @@
+package com.sparrowwallet.sparrow.event;
+
+import com.sparrowwallet.sparrow.BlockSummary;
+
+import java.util.Map;
+
+public class BlockSummaryEvent {
+    private final Map<Integer, BlockSummary> blockSummaryMap;
+    private final Double nextBlockMedianFeeRate;
+
+    public BlockSummaryEvent(Map<Integer, BlockSummary> blockSummaryMap, Double nextBlockMedianFeeRate) {
+        this.blockSummaryMap = blockSummaryMap;
+        this.nextBlockMedianFeeRate = nextBlockMedianFeeRate;
+    }
+
+    public Map<Integer, BlockSummary> getBlockSummaryMap() {
+        return blockSummaryMap;
+    }
+
+    public Double getNextBlockMedianFeeRate() {
+        return nextBlockMedianFeeRate;
+    }
+}

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

@@ -7,13 +7,23 @@ import java.util.Set;
 
 public class FeeRatesUpdatedEvent extends MempoolRateSizesUpdatedEvent {
     private final Map<Integer, Double> targetBlockFeeRates;
+    private final Double nextBlockMedianFeeRate;
 
     public FeeRatesUpdatedEvent(Map<Integer, Double> targetBlockFeeRates, Set<MempoolRateSize> mempoolRateSizes) {
+        this(targetBlockFeeRates, mempoolRateSizes, null);
+    }
+
+    public FeeRatesUpdatedEvent(Map<Integer, Double> targetBlockFeeRates, Set<MempoolRateSize> mempoolRateSizes, Double nextBlockMedianFeeRate) {
         super(mempoolRateSizes);
         this.targetBlockFeeRates = targetBlockFeeRates;
+        this.nextBlockMedianFeeRate = nextBlockMedianFeeRate;
     }
 
     public Map<Integer, Double> getTargetBlockFeeRates() {
         return targetBlockFeeRates;
     }
+
+    public Double getNextBlockMedianFeeRate() {
+        return nextBlockMedianFeeRate;
+    }
 }

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

@@ -1,13 +1,15 @@
 package com.sparrowwallet.sparrow.event;
 
-public class WebcamResolutionChangedEvent {
-    private final boolean hdResolution;
+import com.sparrowwallet.sparrow.control.WebcamResolution;
 
-    public WebcamResolutionChangedEvent(boolean hdResolution) {
-        this.hdResolution = hdResolution;
+public class WebcamResolutionChangedEvent {
+    private final WebcamResolution resolution;
+
+    public WebcamResolutionChangedEvent(WebcamResolution resolution) {
+        this.resolution = resolution;
     }
 
-    public boolean isHdResolution() {
-        return hdResolution;
+    public WebcamResolution getResolution() {
+        return resolution;
     }
 }

src/main/java/com/sparrowwallet/sparrow/glyphfont/FontAwesome5.java

@@ -16,6 +16,7 @@ public class FontAwesome5 extends GlyphFont {
      */
     public static enum Glyph implements INamedCharacter {
         ADJUST('\uf042'),
+        ANCHOR('\uf13d'),
         ARROW_CIRCLE_DOWN('\uf0ab'),
         ANGLE_DOUBLE_RIGHT('\uf101'),
         ARROW_DOWN('\uf063'),

src/main/java/com/sparrowwallet/sparrow/glyphfont/GlyphUtils.java

@@ -13,6 +13,8 @@ public class GlyphUtils {
             return getMixGlyph();
         } else if(payment.getType().equals(Payment.Type.FAKE_MIX)) {
             return getFakeMixGlyph();
+        } else if(payment.getType().equals(Payment.Type.ANCHOR)) {
+            return getAnchorGlyph();
         } else if(walletTx.isConsolidationSend(payment)) {
             return getConsolidationGlyph();
         } else if(walletTx.isPremixSend(payment)) {
@@ -217,4 +219,11 @@ public class GlyphUtils {
         downGlyph.setFontSize(12);
         return downGlyph;
     }
+
+    public static Glyph getAnchorGlyph() {
+        Glyph anchorGlyph = new Glyph(FontAwesome5.FONT_NAME, FontAwesome5.Glyph.ANCHOR);
+        anchorGlyph.getStyleClass().add("anchor-icon");
+        anchorGlyph.setFontSize(12);
+        return anchorGlyph;
+    }
 }

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

@@ -6,6 +6,7 @@ import com.sparrowwallet.sparrow.UnitFormat;
 import com.sparrowwallet.sparrow.Mode;
 import com.sparrowwallet.sparrow.Theme;
 import com.sparrowwallet.sparrow.control.QRDensity;
+import com.sparrowwallet.sparrow.control.WebcamResolution;
 import com.sparrowwallet.sparrow.net.*;
 import com.sparrowwallet.sparrow.wallet.FeeRatesSelection;
 import com.sparrowwallet.sparrow.wallet.OptimizationStrategy;
@@ -56,7 +57,7 @@ public class Config {
     private long dustAttackThreshold = DUST_ATTACK_THRESHOLD_SATS;
     private int enumerateHwPeriod = ENUMERATE_HW_PERIOD_SECS;
     private QRDensity qrDensity;
-    private Boolean hdCapture;
+    private WebcamResolution webcamResolution;
     private boolean mirrorCapture = true;
     private boolean useZbar = true;
     private String webcamDevice;
@@ -383,16 +384,12 @@ public class Config {
         flush();
     }
 
-    public Boolean getHdCapture() {
-        return hdCapture;
+    public WebcamResolution getWebcamResolution() {
+        return webcamResolution;
     }
 
-    public Boolean isHdCapture() {
-        return hdCapture != null && hdCapture;
-    }
-
-    public void setHdCapture(Boolean hdCapture) {
-        this.hdCapture = hdCapture;
+    public void setWebcamResolution(WebcamResolution webcamResolution) {
+        this.webcamResolution = webcamResolution;
         flush();
     }
 

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

@@ -1,5 +0,0 @@
-package com.sparrowwallet.sparrow.io;
-
-public enum FileType {
-    TEXT, JSON, BINARY, UNKNOWN;
-}

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

@@ -1,6 +1,7 @@
 package com.sparrowwallet.sparrow.io;
 
 import com.sparrowwallet.drongo.ExtendedKey;
+import com.sparrowwallet.drongo.IOUtils;
 import com.sparrowwallet.drongo.OsType;
 import com.sparrowwallet.drongo.OutputDescriptor;
 import com.sparrowwallet.drongo.protocol.ScriptType;

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

@@ -1,153 +0,0 @@
-package com.sparrowwallet.sparrow.io;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.*;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.URL;
-import java.net.URLDecoder;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.FileSystems;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.security.SecureRandom;
-import java.util.*;
-import java.util.jar.JarEntry;
-import java.util.jar.JarFile;
-
-public class IOUtils {
-    private static final Logger log = LoggerFactory.getLogger(IOUtils.class);
-
-    public static FileType getFileType(File file) {
-        try {
-            String type = Files.probeContentType(file.toPath());
-            if(type == null) {
-                if(file.getName().toLowerCase(Locale.ROOT).endsWith("txn") || file.getName().toLowerCase(Locale.ROOT).endsWith("psbt")) {
-                    return FileType.TEXT;
-                }
-
-                if(file.exists()) {
-                    try(BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8))) {
-                        String line = br.readLine();
-                        if(line != null) {
-                            if(line.startsWith("01000000") || line.startsWith("cHNid")) {
-                                return FileType.TEXT;
-                            } else if(line.startsWith("{")) {
-                                return FileType.JSON;
-                            }
-                        }
-                    }
-                }
-
-                return FileType.BINARY;
-            } else if (type.equals("application/json")) {
-                return FileType.JSON;
-            } else if (type.startsWith("text")) {
-                return FileType.TEXT;
-            }
-        } catch (IOException e) {
-            //ignore
-        }
-
-        return FileType.UNKNOWN;
-    }
-
-    /**
-     * List directory contents for a resource folder. Not recursive.
-     * This is basically a brute-force implementation.
-     * Works for regular files, JARs and Java modules.
-     *
-     * @param clazz Any java class that lives in the same place as the resources you want.
-     * @param path Should end with "/", but not start with one.
-     * @return Just the name of each member item, not the full paths.
-     * @throws URISyntaxException
-     * @throws IOException
-     */
-    public static String[] getResourceListing(Class clazz, String path) throws URISyntaxException, IOException {
-        URL dirURL = clazz.getClassLoader().getResource(path);
-        if(dirURL != null && dirURL.getProtocol().equals("file")) {
-            /* A file path: easy enough */
-            return new File(dirURL.toURI()).list();
-        }
-
-        if(dirURL == null) {
-            /*
-             * In case of a jar file, we can't actually find a directory.
-             * Have to assume the same jar as clazz.
-             */
-            String me = clazz.getName().replace(".", "/")+".class";
-            dirURL = clazz.getClassLoader().getResource(me);
-        }
-
-        if(dirURL.getProtocol().equals("jar")) {
-            /* A JAR path */
-            String jarPath = dirURL.getPath().substring(5, dirURL.getPath().indexOf("!")); //strip out only the JAR file
-            JarFile jar = new JarFile(URLDecoder.decode(jarPath, "UTF-8"));
-            Enumeration<JarEntry> entries = jar.entries(); //gives ALL entries in jar
-            Set<String> result = new HashSet<String>(); //avoid duplicates in case it is a subdirectory
-            while(entries.hasMoreElements()) {
-                String name = entries.nextElement().getName();
-                if(name.startsWith(path)) { //filter according to the path
-                    String entry = name.substring(path.length());
-                    int checkSubdir = entry.indexOf("/");
-                    if (checkSubdir >= 0) {
-                        // if it is a subdirectory, we just return the directory name
-                        entry = entry.substring(0, checkSubdir);
-                    }
-                    if(!entry.isEmpty()) {
-                        result.add(entry);
-                    }
-                }
-            }
-
-            return result.toArray(new String[result.size()]);
-        }
-
-        if(dirURL.getProtocol().equals("jrt")) {
-            java.nio.file.FileSystem jrtFs = FileSystems.newFileSystem(URI.create("jrt:/"), Collections.emptyMap());
-            Path resourcePath = jrtFs.getPath("modules/com.sparrowwallet.sparrow", path);
-            return Files.list(resourcePath).map(filePath -> filePath.getFileName().toString()).toArray(String[]::new);
-        }
-
-        throw new UnsupportedOperationException("Cannot list files for URL " + dirURL);
-    }
-
-    public static boolean deleteDirectory(File directory) {
-        try {
-            Files.walk(directory.toPath())
-                    .sorted(Comparator.reverseOrder())
-                    .map(Path::toFile)
-                    .forEach(File::delete);
-        } catch(IOException e) {
-            return false;
-        }
-
-        return true;
-    }
-
-    public static boolean secureDelete(File file) {
-        if(file.exists()) {
-            long length = file.length();
-            SecureRandom random = new SecureRandom();
-            byte[] data = new byte[1024*1024];
-            random.nextBytes(data);
-            try(RandomAccessFile raf = new RandomAccessFile(file, "rws")) {
-                raf.seek(0);
-                raf.getFilePointer();
-                int pos = 0;
-                while(pos < length) {
-                    raf.write(data);
-                    pos += data.length;
-                }
-            } catch(IOException e) {
-                log.warn("Error overwriting file for deletion: " + file.getName(), e);
-            }
-
-            return file.delete();
-        }
-
-        return false;
-    }
-}

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

@@ -2,6 +2,8 @@ package com.sparrowwallet.sparrow.io;
 
 import com.google.gson.*;
 import com.sparrowwallet.drongo.ExtendedKey;
+import com.sparrowwallet.drongo.FileType;
+import com.sparrowwallet.drongo.IOUtils;
 import com.sparrowwallet.drongo.Utils;
 import com.sparrowwallet.drongo.address.Address;
 import com.sparrowwallet.drongo.address.InvalidAddressException;

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

@@ -2,11 +2,11 @@ package com.sparrowwallet.sparrow.io;
 
 import com.csvreader.CsvReader;
 import com.google.gson.*;
+import com.sparrowwallet.drongo.KeyDerivation;
 import com.sparrowwallet.drongo.KeyPurpose;
 import com.sparrowwallet.drongo.OutputDescriptor;
 import com.sparrowwallet.drongo.Utils;
-import com.sparrowwallet.drongo.protocol.Sha256Hash;
-import com.sparrowwallet.drongo.protocol.Transaction;
+import com.sparrowwallet.drongo.protocol.*;
 import com.sparrowwallet.drongo.wallet.*;
 import com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.EventManager;
@@ -27,6 +27,8 @@ import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -77,7 +79,7 @@ public class WalletLabels implements WalletImport, WalletExport {
                 BlockTransaction blkTx = txEntry.getBlockTransaction();
                 labels.add(new TransactionLabel(blkTx.getHashAsString(), blkTx.getLabel(), origin,
                         txEntry.isConfirming() ? null : blkTx.getHeight(), blkTx.getDate(),
-                        blkTx.getFee() == null || blkTx.getFee() == 0 ? null : blkTx.getFee(), txEntry.getValue(),
+                        getFee(walletTransactionsEntry.getWallet(), blkTx), txEntry.getValue(),
                         getFiatValue(blkTx.getDate(), Transaction.SATOSHIS_PER_BITCOIN, fiatRates)));
                 if(txEntry.isConfirming()) {
                     confirmingTxs.add(blkTx.getHash());
@@ -203,7 +205,7 @@ public class WalletLabels implements WalletImport, WalletExport {
             }
 
             OutputDescriptor outputDescriptor = OutputDescriptor.getOutputDescriptor(wallet);
-            String origin = outputDescriptor.toString(true, false, false);
+            Origin origin = Origin.fromOutputDescriptor(outputDescriptor);
 
             List<Entry> transactionEntries = walletForm.getWalletTransactionsEntry().getChildren();
             List<Entry> addressEntries = new ArrayList<>();
@@ -212,7 +214,7 @@ public class WalletLabels implements WalletImport, WalletExport {
             List<Entry> utxoEntries = walletForm.getWalletUtxosEntry().getChildren();
 
             for(Label label : labels) {
-                if(label.origin != null && !label.origin.equals(origin)) {
+                if(label.origin != null && !Origin.fromString(label.origin).equals(origin)) {
                     continue;
                 }
 
@@ -342,6 +344,28 @@ public class WalletLabels implements WalletImport, WalletExport {
         return true;
     }
 
+    private Long getFee(Wallet wallet, BlockTransaction blockTransaction) {
+        long fee = 0L;
+        for(TransactionInput txInput : blockTransaction.getTransaction().getInputs()) {
+            if(txInput.isCoinBase()) {
+                return 0L;
+            }
+
+            BlockTransaction inputTx = wallet.getWalletTransaction(txInput.getOutpoint().getHash());
+            if(inputTx == null || inputTx.getTransaction().getOutputs().size() <= txInput.getOutpoint().getIndex()) {
+                return null;
+            }
+            TransactionOutput spentOutput = inputTx.getTransaction().getOutputs().get((int)txInput.getOutpoint().getIndex());
+            fee += spentOutput.getValue();
+        }
+
+        for(TransactionOutput txOutput : blockTransaction.getTransaction().getOutputs()) {
+            fee -= txOutput.getValue();
+        }
+
+        return fee;
+    }
+
     private Map<Date, Double> getFiatRates(List<WalletForm> walletForms) {
         ExchangeSource exchangeSource = getExchangeSource();
         Currency fiatCurrency = getFiatCurrency();
@@ -494,4 +518,49 @@ public class WalletLabels implements WalletImport, WalletExport {
             }
         }
     }
+
+    private static class Origin {
+        private static final Pattern KEY_ORIGIN_PATTERN = Pattern.compile("\\[([A-Fa-f0-9]{8})([/\\d'hH]+)?\\]");
+
+        private ScriptType scriptType;
+        private Set<KeyDerivation> keyDerivations;
+
+        @Override
+        public final boolean equals(Object o) {
+            if(this == o) {
+                return true;
+            }
+            if(!(o instanceof Origin origin)) {
+                return false;
+            }
+
+            return scriptType == origin.scriptType && keyDerivations.equals(origin.keyDerivations);
+        }
+
+        @Override
+        public int hashCode() {
+            int result = Objects.hashCode(scriptType);
+            result = 31 * result + keyDerivations.hashCode();
+            return result;
+        }
+
+        public static Origin fromOutputDescriptor(OutputDescriptor outputDescriptor) {
+            Origin origin = new Origin();
+            origin.scriptType = outputDescriptor.getScriptType();
+            origin.keyDerivations = new HashSet<>(outputDescriptor.getExtendedPublicKeysMap().values());
+            return origin;
+        }
+
+        public static Origin fromString(String strOrigin) {
+            Origin origin = new Origin();
+            origin.scriptType = ScriptType.fromDescriptor(strOrigin);
+            origin.keyDerivations = new HashSet<>();
+            Matcher keyOriginMatcher = KEY_ORIGIN_PATTERN.matcher(strOrigin);
+            while(keyOriginMatcher.find()) {
+                byte[] masterFingerprintBytes = keyOriginMatcher.group(1) != null ? Utils.hexToBytes(keyOriginMatcher.group(1)) : new byte[4];
+                origin.keyDerivations.add(new KeyDerivation(Utils.bytesToHex(masterFingerprintBytes), KeyDerivation.writePath(KeyDerivation.parsePath(keyOriginMatcher.group(2)))));
+            }
+            return origin;
+        }
+    }
 }

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

@@ -93,7 +93,7 @@ public class WalletTransactions implements WalletExport {
                 writer.write(txEntry.getLabel());
                 writer.write(getCoinValue(bitcoinUnit, txEntry.getValue()));
                 writer.write(getCoinValue(bitcoinUnit, txEntry.getBalance()));
-                Long fee = txEntry.getValue() < 0 ? getFee(wallet, txEntry.getBlockTransaction()) : null;
+                Long fee = getFee(wallet, txEntry.getBlockTransaction());
                 writer.write(fee == null ? "" : getCoinValue(bitcoinUnit, fee));
                 if(fiatCurrency != null) {
                     Double fiatValue = getFiatValue(txEntry, fiatRates);

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

@@ -1,6 +1,7 @@
 package com.sparrowwallet.sparrow.io.db;
 
 import com.google.common.eventbus.Subscribe;
+import com.sparrowwallet.drongo.IOUtils;
 import com.sparrowwallet.drongo.Utils;
 import com.sparrowwallet.drongo.crypto.Argon2KeyDeriver;
 import com.sparrowwallet.drongo.crypto.AsymmetricKeyDeriver;

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

@@ -4,7 +4,6 @@ import com.github.arteam.simplejsonrpc.client.JsonRpcClient;
 import com.github.arteam.simplejsonrpc.client.Transport;
 import com.github.arteam.simplejsonrpc.client.exception.JsonRpcBatchException;
 import com.github.arteam.simplejsonrpc.client.exception.JsonRpcException;
-import com.github.arteam.simplejsonrpc.core.domain.ErrorMessage;
 import com.sparrowwallet.drongo.protocol.Sha256Hash;
 import com.sparrowwallet.drongo.wallet.Wallet;
 import com.sparrowwallet.sparrow.EventManager;
@@ -151,6 +150,27 @@ public class BatchedElectrumServerRpc implements ElectrumServerRpc {
         }
     }
 
+    @Override
+    public Map<String, Boolean> unsubscribeScriptHashes(Transport transport, Set<String> scriptHashes) {
+        PagedBatchRequestBuilder<String, Boolean> batchRequest = PagedBatchRequestBuilder.create(transport, idCounter).keysType(String.class).returnType(Boolean.class);
+
+        for(String scriptHash : scriptHashes) {
+            batchRequest.add(scriptHash, "blockchain.scripthash.unsubscribe", scriptHash);
+        }
+
+        try {
+            return batchRequest.execute();
+        } catch(JsonRpcBatchException e) {
+            log.info("Failed to unsubscribe from script hashes: " + e.getErrors().keySet(), e);
+            Map<String, Boolean> unsubscribedScriptHashes = scriptHashes.stream().collect(Collectors.toMap(s -> s, _ -> true));
+            unsubscribedScriptHashes.keySet().removeIf(scriptHash -> e.getErrors().containsKey(scriptHash));
+            return unsubscribedScriptHashes;
+        } catch(Exception e) {
+            log.info("Failed to unsubscribe from script hashes: " + scriptHashes, e);
+            return Collections.emptyMap();
+        }
+    }
+
     @Override
     @SuppressWarnings("unchecked")
     public Map<Integer, String> getBlockHeaders(Transport transport, Wallet wallet, Set<Integer> blockHeights) {
@@ -170,6 +190,24 @@ public class BatchedElectrumServerRpc implements ElectrumServerRpc {
         }
     }
 
+    @Override
+    @SuppressWarnings("unchecked")
+    public Map<Integer, BlockStats> getBlockStats(Transport transport, Set<Integer> blockHeights) {
+        PagedBatchRequestBuilder<Integer, BlockStats> batchRequest = PagedBatchRequestBuilder.create(transport, idCounter).keysType(Integer.class).returnType(BlockStats.class);
+
+        for(Integer height : blockHeights) {
+            batchRequest.add(height, "blockchain.block.stats", height);
+        }
+
+        try {
+            return batchRequest.execute();
+        } catch(JsonRpcBatchException e) {
+            return (Map<Integer, BlockStats>)e.getSuccesses();
+        } catch(Exception e) {
+            throw new ElectrumServerRpcException("Failed to retrieve block stats for block heights: " + blockHeights, e);
+        }
+    }
+
     @Override
     @SuppressWarnings("unchecked")
     public Map<String, String> getTransactions(Transport transport, Wallet wallet, Set<String> txids) {

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

@@ -1,12 +1,22 @@
 package com.sparrowwallet.sparrow.net;
 
+import com.sparrowwallet.sparrow.AppServices;
 import com.sparrowwallet.sparrow.io.Server;
+import org.girod.javafx.svgimage.SVGImage;
+import org.girod.javafx.svgimage.SVGLoader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.URL;
+import java.util.Locale;
 
 public enum BlockExplorer {
     MEMPOOL_SPACE("https://mempool.space"),
     BLOCKSTREAM_INFO("https://blockstream.info"),
     NONE("http://none");
 
+    private static final Logger log = LoggerFactory.getLogger(BlockExplorer.class);
+
     private final Server server;
 
     BlockExplorer(String url) {
@@ -16,4 +26,17 @@ public enum BlockExplorer {
     public Server getServer() {
         return server;
     }
+
+    public static SVGImage getSVGImage(Server server) {
+        try {
+            URL url = AppServices.class.getResource("/image/blockexplorer/" + server.getHost().toLowerCase(Locale.ROOT) + "-icon.svg");
+            if(url != null) {
+                return SVGLoader.load(url);
+            }
+        } catch(Exception e) {
+            log.error("Could not load block explorer image for " + server.getHost());
+        }
+
+        return null;
+    }
 }

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

@@ -2,14 +2,15 @@ package com.sparrowwallet.sparrow.net;
 
 import com.sparrowwallet.drongo.Utils;
 import com.sparrowwallet.drongo.protocol.BlockHeader;
+import com.sparrowwallet.drongo.protocol.Sha256Hash;
 
-class BlockHeaderTip {
+public class BlockHeaderTip {
     public int height;
     public String hex;
 
     public BlockHeader getBlockHeader() {
         if(hex == null) {
-            return null;
+            return new BlockHeader(0, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 0, 0, 0);
         }
 
         byte[] blockHeaderBytes = Utils.hexToBytes(hex);

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

@@ -0,0 +1,14 @@
+package com.sparrowwallet.sparrow.net;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.sparrowwallet.sparrow.BlockSummary;
+
+import java.util.Date;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+public record BlockStats(int height, String blockhash, double[] feerate_percentiles, int total_weight, int txs, long time) {
+    public BlockSummary toBlockSummary() {
+        Double medianFee = feerate_percentiles != null && feerate_percentiles.length > 0 ? feerate_percentiles[feerate_percentiles.length / 2] : null;
+        return new BlockSummary(height, new Date(time * 1000), medianFee, txs, total_weight);
+    }
+}

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

@@ -12,6 +12,7 @@ import com.sparrowwallet.drongo.bip47.PaymentCode;
 import com.sparrowwallet.drongo.protocol.*;
 import com.sparrowwallet.drongo.wallet.*;
 import com.sparrowwallet.sparrow.AppServices;
+import com.sparrowwallet.sparrow.BlockSummary;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.event.*;
 import com.sparrowwallet.sparrow.io.Config;
@@ -26,17 +27,21 @@ import javafx.beans.property.SimpleIntegerProperty;
 import javafx.concurrent.ScheduledService;
 import javafx.concurrent.Service;
 import javafx.concurrent.Task;
+import javafx.util.Duration;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.*;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.locks.Condition;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+import java.util.stream.Stream;
 
 public class ElectrumServer {
     private static final Logger log = LoggerFactory.getLogger(ElectrumServer.class);
@@ -57,15 +62,19 @@ public class ElectrumServer {
 
     private static CloseableTransport transport;
 
-    private static final Map<String, List<String>> subscribedScriptHashes = Collections.synchronizedMap(new HashMap<>());
+    private static final Map<String, List<String>> subscribedScriptHashes = new ConcurrentHashMap<>();
 
     private static Server previousServer;
 
-    private static Map<String, String> retrievedScriptHashes = Collections.synchronizedMap(new HashMap<>());
+    private static final Map<String, String> retrievedScriptHashes = Collections.synchronizedMap(new HashMap<>());
 
-    private static Map<Sha256Hash, BlockTransaction> retrievedTransactions = Collections.synchronizedMap(new HashMap<>());
+    private static final Map<Sha256Hash, BlockTransaction> retrievedTransactions = new ConcurrentHashMap<>();
 
-    private static Set<String> sameHeightTxioScriptHashes = Collections.synchronizedSet(new HashSet<>());
+    private static final Map<Integer, BlockHeader> retrievedBlockHeaders = new ConcurrentHashMap<>();
+
+    private static final Map<Sha256Hash, BlockTransaction> broadcastedTransactions = new ConcurrentHashMap<>();
+
+    private static final Set<String> sameHeightTxioScriptHashes = ConcurrentHashMap.newKeySet();
 
     private static ElectrumServerRpc electrumServerRpc = new SimpleElectrumServerRpc();
 
@@ -73,6 +82,8 @@ public class ElectrumServer {
 
     private static Server coreElectrumServer;
 
+    private static ServerCapability serverCapability;
+
     private static final Pattern RPC_WALLET_LOADING_PATTERN = Pattern.compile(".*\"(Wallet loading failed[:.][^\"]*)\".*");
 
     private static synchronized CloseableTransport getTransport() throws ServerException {
@@ -113,12 +124,14 @@ public class ElectrumServer {
                 if(previousServer != null && !electrumServer.equals(previousServer)) {
                     retrievedScriptHashes.clear();
                     retrievedTransactions.clear();
+                    retrievedBlockHeaders.clear();
                     TransactionHistoryService.walletLocks.values().forEach(walletLock -> walletLock.initialized = false);
                 }
                 previousServer = electrumServer;
 
                 HostAndPort hostAndPort = electrumServer.getHostAndPort();
-                boolean localNetworkAddress = !protocol.isOnionAddress(hostAndPort) && IpAddressMatcher.isLocalNetworkAddress(hostAndPort.getHost());
+                boolean localNetworkAddress = !Protocol.isOnionAddress(hostAndPort) && !PublicElectrumServer.isPublicServer(hostAndPort)
+                        && IpAddressMatcher.isLocalNetworkAddress(hostAndPort.getHost());
 
                 if(!localNetworkAddress && Config.get().isUseProxy() && proxyServer != null && !proxyServer.isBlank()) {
                     HostAndPort proxy = HostAndPort.fromString(proxyServer);
@@ -220,6 +233,11 @@ public class ElectrumServer {
     }
 
     private static String getScriptHashStatus(String scriptHash, WalletNode walletNode) {
+        List<ScriptHashTx> scriptHashTxes = getScriptHashes(scriptHash, walletNode);
+        return getScriptHashStatus(scriptHashTxes);
+    }
+
+    private static List<ScriptHashTx> getScriptHashes(String scriptHash, WalletNode walletNode) {
         List<BlockTransactionHashIndex> txos  = new ArrayList<>(walletNode.getTransactionOutputs());
         txos.addAll(walletNode.getTransactionOutputs().stream().filter(BlockTransactionHashIndex::isSpent).map(BlockTransactionHashIndex::getSpentBy).collect(Collectors.toList()));
         Set<Sha256Hash> unique = new HashSet<>(txos.size());
@@ -242,10 +260,15 @@ public class ElectrumServer {
             sameHeightTxioScriptHashes.add(scriptHash);
             return 0;
         });
-        if(!txos.isEmpty()) {
+
+        return txos.stream().map(txo -> new ScriptHashTx(txo.getHeight(), txo.getHashAsString(), txo.getFee() == null ? 0 : txo.getFee())).toList();
+    }
+
+    private static String getScriptHashStatus(List<ScriptHashTx> scriptHashTxes) {
+        if(!scriptHashTxes.isEmpty()) {
             StringBuilder scriptHashStatus = new StringBuilder();
-            for(BlockTransactionHashIndex txo : txos) {
-                scriptHashStatus.append(txo.getHash().toString()).append(":").append(txo.getHeight()).append(":");
+            for(ScriptHashTx scriptHashTx : scriptHashTxes) {
+                scriptHashStatus.append(scriptHashTx.tx_hash).append(":").append(scriptHashTx.height).append(":");
             }
 
             return Utils.bytesToHex(Sha256Hash.hash(scriptHashStatus.toString().getBytes(StandardCharsets.UTF_8)));
@@ -389,10 +412,12 @@ public class ElectrumServer {
 
     public void getReferences(Wallet wallet, Collection<WalletNode> nodes, Map<WalletNode, Set<BlockTransactionHash>> nodeTransactionMap, int startIndex) throws ServerException {
         try {
+            Map<WalletNode, ScriptHashTx[]> nodeHashHistory = new LinkedHashMap<>(nodes.size());
             Map<String, String> pathScriptHashes = new LinkedHashMap<>(nodes.size());
             for(WalletNode node : nodes) {
                 if(node.getIndex() >= startIndex) {
                     pathScriptHashes.put(node.getDerivationPath(), getScriptHash(node));
+                    nodeHashHistory.put(node, null);
                 }
             }
 
@@ -400,43 +425,95 @@ public class ElectrumServer {
                 return;
             }
 
-            //Even if we have some successes, failure to retrieve all references will result in an incomplete wallet history. Don't proceed if that's the case.
-            Map<String, ScriptHashTx[]> result = electrumServerRpc.getScriptHashHistory(getTransport(), wallet, pathScriptHashes, true);
+            //Optimistic optimizations from guessing the script hash status based on known information
+            for(Map.Entry<WalletNode, ScriptHashTx[]> entry : nodeHashHistory.entrySet()) {
+                WalletNode node = entry.getKey();
+                String scriptHash = pathScriptHashes.get(node.getDerivationPath());
+                List<String> statuses = subscribedScriptHashes.get(scriptHash);
 
-            for(String path : result.keySet()) {
-                ScriptHashTx[] txes = result.get(path);
+                if(statuses != null && !statuses.isEmpty()) {
+                    //Optimize for new transactions that have been recently broadcasted
+                    for(Sha256Hash txid : broadcastedTransactions.keySet()) {
+                        BlockTransaction blkTx = broadcastedTransactions.get(txid);
+                        if(blkTx.getTransaction().getOutputs().stream().map(ElectrumServer::getScriptHash).anyMatch(scriptHash::equals) ||
+                            blkTx.getTransaction().getInputs().stream().map(txInput -> getPrevOutput(wallet, txInput))
+                                    .filter(Objects::nonNull).map(ElectrumServer::getScriptHash).anyMatch(scriptHash::equals)) {
+                            List<ScriptHashTx> scriptHashTxes = new ArrayList<>(getScriptHashes(scriptHash, node));
+                            scriptHashTxes.add(new ScriptHashTx(0, txid.toString(), blkTx.getFee() == null ? 0 : blkTx.getFee()));
 
-                Optional<WalletNode> optionalNode = nodes.stream().filter(n -> n.getDerivationPath().equals(path)).findFirst();
-                if(optionalNode.isPresent()) {
-                    WalletNode node = optionalNode.get();
+                            String status = getScriptHashStatus(scriptHashTxes);
+                            if(Objects.equals(status, statuses.getLast())) {
+                                entry.setValue(scriptHashTxes.toArray(new ScriptHashTx[0]));
+                                pathScriptHashes.remove(node.getDerivationPath());
+                            }
+                        }
+                    }
 
-                    //Some servers can return the same tx as multiple ScriptHashTx entries with different heights. Take the highest height only
-                    Set<BlockTransactionHash> references = Arrays.stream(txes).map(ScriptHashTx::getBlockchainTransactionHash)
-                            .collect(TreeSet::new, (set, ref) -> {
-                                Optional<BlockTransactionHash> optExisting = set.stream().filter(prev -> prev.getHash().equals(ref.getHash())).findFirst();
-                                if(optExisting.isPresent()) {
-                                    if(optExisting.get().getHeight() < ref.getHeight()) {
-                                        set.remove(optExisting.get());
-                                        set.add(ref);
-                                    }
-                                } else {
+                    //Optimize for new confirmations should all pending transactions confirm at the current block height
+                    if(entry.getValue() == null && AppServices.getCurrentBlockHeight() != null &&
+                            node.getTransactionOutputs().stream().flatMap(txo -> txo.isSpent() ? Stream.of(txo, txo.getSpentBy()) : Stream.of(txo))
+                                    .anyMatch(txo -> txo.getHeight() <= 0)) {
+                        List<ScriptHashTx> scriptHashTxes = getScriptHashes(scriptHash, node);
+                        for(ScriptHashTx scriptHashTx : scriptHashTxes) {
+                            if(scriptHashTx.height <= 0) {
+                                scriptHashTx.height = AppServices.getCurrentBlockHeight();
+                                scriptHashTx.fee = 0;
+                            }
+                        }
+
+                        String status = getScriptHashStatus(scriptHashTxes);
+                        if(Objects.equals(status, statuses.getLast())) {
+                            entry.setValue(scriptHashTxes.toArray(new ScriptHashTx[0]));
+                            pathScriptHashes.remove(node.getDerivationPath());
+                        }
+                    }
+                }
+            }
+
+            if(!pathScriptHashes.isEmpty()) {
+                //Even if we have some successes, failure to retrieve all references will result in an incomplete wallet history. Don't proceed if that's the case.
+                Map<String, ScriptHashTx[]> result = electrumServerRpc.getScriptHashHistory(getTransport(), wallet, pathScriptHashes, true);
+
+                for(String path : result.keySet()) {
+                    ScriptHashTx[] txes = result.get(path);
+
+                    Optional<WalletNode> optionalNode = nodes.stream().filter(n -> n.getDerivationPath().equals(path)).findFirst();
+                    if(optionalNode.isPresent()) {
+                        WalletNode node = optionalNode.get();
+                        nodeHashHistory.put(node, txes);
+                    }
+                }
+            }
+
+            for(WalletNode node : nodeHashHistory.keySet()) {
+                ScriptHashTx[] txes = nodeHashHistory.get(node);
+
+                //Some servers can return the same tx as multiple ScriptHashTx entries with different heights. Take the highest height only
+                Set<BlockTransactionHash> references = Arrays.stream(txes).map(ScriptHashTx::getBlockchainTransactionHash)
+                        .collect(TreeSet::new, (set, ref) -> {
+                            Optional<BlockTransactionHash> optExisting = set.stream().filter(prev -> prev.getHash().equals(ref.getHash())).findFirst();
+                            if(optExisting.isPresent()) {
+                                if(optExisting.get().getHeight() < ref.getHeight()) {
+                                    set.remove(optExisting.get());
                                     set.add(ref);
                                 }
-                            }, TreeSet::addAll);
-                    Set<BlockTransactionHash> existingReferences = nodeTransactionMap.get(node);
+                            } else {
+                                set.add(ref);
+                            }
+                        }, TreeSet::addAll);
+                Set<BlockTransactionHash> existingReferences = nodeTransactionMap.get(node);
 
-                    if(existingReferences == null) {
-                        nodeTransactionMap.put(node, references);
-                    } else {
-                        for(BlockTransactionHash reference : references) {
-                            if(!existingReferences.add(reference)) {
-                                Optional<BlockTransactionHash> optionalReference = existingReferences.stream().filter(tr -> tr.getHash().equals(reference.getHash())).findFirst();
-                                if(optionalReference.isPresent()) {
-                                    BlockTransactionHash existingReference = optionalReference.get();
-                                    if(existingReference.getHeight() < reference.getHeight()) {
-                                        existingReferences.remove(existingReference);
-                                        existingReferences.add(reference);
-                                    }
+                if(existingReferences == null) {
+                    nodeTransactionMap.put(node, references);
+                } else {
+                    for(BlockTransactionHash reference : references) {
+                        if(!existingReferences.add(reference)) {
+                            Optional<BlockTransactionHash> optionalReference = existingReferences.stream().filter(tr -> tr.getHash().equals(reference.getHash())).findFirst();
+                            if(optionalReference.isPresent()) {
+                                BlockTransactionHash existingReference = optionalReference.get();
+                                if(existingReference.getHeight() < reference.getHeight()) {
+                                    existingReferences.remove(existingReference);
+                                    existingReferences.add(reference);
                                 }
                             }
                         }
@@ -554,50 +631,66 @@ public class ElectrumServer {
     }
 
     public void getReferencedTransactions(Wallet wallet, Map<WalletNode, Set<BlockTransactionHash>> nodeTransactionMap) throws ServerException {
-        Set<BlockTransactionHash> references = new TreeSet<>();
+        Map<BlockTransactionHash, Transaction> references = new TreeMap<>();
         for(Set<BlockTransactionHash> nodeReferences : nodeTransactionMap.values()) {
-            references.addAll(nodeReferences);
+            for(BlockTransactionHash nodeReference : nodeReferences) {
+                references.put(nodeReference, null);
+            }
         }
 
-        for(Iterator<BlockTransactionHash> iter = references.iterator(); iter.hasNext(); ) {
-            BlockTransactionHash reference = iter.next();
-            BlockTransaction blockTransaction = wallet.getTransactions().get(reference.getHash());
-            if(blockTransaction != null && reference.getHeight() == blockTransaction.getHeight()) {
-                iter.remove();
+        for(Iterator<Map.Entry<BlockTransactionHash, Transaction>> iter = references.entrySet().iterator(); iter.hasNext(); ) {
+            Map.Entry<BlockTransactionHash, Transaction> entry = iter.next();
+            BlockTransactionHash reference = entry.getKey();
+            BlockTransaction blockTransaction = wallet.getWalletTransaction(reference.getHash());
+            if(blockTransaction != null) {
+                if(reference.getHeight() == blockTransaction.getHeight()) {
+                    iter.remove();
+                } else {
+                    entry.setValue(blockTransaction.getTransaction());
+                }
+            } else if(broadcastedTransactions.containsKey(reference.getHash())) {
+                entry.setValue(broadcastedTransactions.get(reference.getHash()).getTransaction());
             }
         }
 
         Map<Sha256Hash, BlockTransaction> transactionMap = new HashMap<>();
         if(!references.isEmpty()) {
-            Map<Integer, BlockHeader> blockHeaderMap = getBlockHeaders(wallet, references);
+            Map<Integer, BlockHeader> blockHeaderMap = getBlockHeaders(wallet, references.keySet());
             transactionMap = getTransactions(wallet, references, blockHeaderMap);
         }
 
         if(!transactionMap.equals(wallet.getTransactions())) {
             wallet.updateTransactions(transactionMap);
+            broadcastedTransactions.keySet().removeAll(transactionMap.entrySet().stream().filter(entry -> entry.getValue().getHeight() > 0)
+                    .map(Map.Entry::getKey).collect(Collectors.toSet()));
         }
     }
 
     public Map<Integer, BlockHeader> getBlockHeaders(Wallet wallet, Set<BlockTransactionHash> references) throws ServerException {
         try {
+            Map<Integer, BlockHeader> blockHeaderMap = new TreeMap<>();
             Set<Integer> blockHeights = new TreeSet<>();
             for(BlockTransactionHash reference : references) {
                 if(reference.getHeight() > 0) {
-                    blockHeights.add(reference.getHeight());
+                    if(retrievedBlockHeaders.containsKey(reference.getHeight())) {
+                        blockHeaderMap.put(reference.getHeight(), retrievedBlockHeaders.get(reference.getHeight()));
+                    } else {
+                        blockHeights.add(reference.getHeight());
+                    }
                 }
             }
 
             if(blockHeights.isEmpty()) {
-                return Collections.emptyMap();
+                return blockHeaderMap;
             }
 
             Map<Integer, String> result = electrumServerRpc.getBlockHeaders(getTransport(), wallet, blockHeights);
 
-            Map<Integer, BlockHeader> blockHeaderMap = new TreeMap<>();
             for(Integer height : result.keySet()) {
                 byte[] blockHeaderBytes = Utils.hexToBytes(result.get(height));
                 BlockHeader blockHeader = new BlockHeader(blockHeaderBytes);
                 blockHeaderMap.put(height, blockHeader);
+                updateRetrievedBlockHeaders(height, blockHeader);
                 blockHeights.remove(height);
             }
 
@@ -615,51 +708,61 @@ public class ElectrumServer {
         }
     }
 
-    public Map<Sha256Hash, BlockTransaction> getTransactions(Wallet wallet, Set<BlockTransactionHash> references, Map<Integer, BlockHeader> blockHeaderMap) throws ServerException {
+    public Map<Sha256Hash, BlockTransaction> getTransactions(Wallet wallet, Map<BlockTransactionHash, Transaction> references, Map<Integer, BlockHeader> blockHeaderMap) throws ServerException {
         try {
-            Set<BlockTransactionHash> checkReferences = new TreeSet<>(references);
+            Map<Sha256Hash, BlockTransaction> transactionMap = new HashMap<>();
+            Set<BlockTransactionHash> checkReferences = new TreeSet<>(references.keySet());
 
             Set<String> txids = new LinkedHashSet<>(references.size());
-            for(BlockTransactionHash reference : references) {
-                txids.add(reference.getHashAsString());
+            for(BlockTransactionHash reference : references.keySet()) {
+                if(references.get(reference) == null) {
+                    txids.add(reference.getHashAsString());
+                }
             }
 
-            Map<String, String> result = electrumServerRpc.getTransactions(getTransport(), wallet, txids);
+            if(!txids.isEmpty()) {
+                Map<String, String> result = electrumServerRpc.getTransactions(getTransport(), wallet, txids);
 
-            String strErrorTx = Sha256Hash.ZERO_HASH.toString();
-            Map<Sha256Hash, BlockTransaction> transactionMap = new HashMap<>();
-            for(String txid : result.keySet()) {
-                Sha256Hash hash = Sha256Hash.wrap(txid);
-                String strRawTx = result.get(txid);
+                String strErrorTx = Sha256Hash.ZERO_HASH.toString();
+                for(String txid : result.keySet()) {
+                    Sha256Hash hash = Sha256Hash.wrap(txid);
+                    String strRawTx = result.get(txid);
 
-                if(strRawTx.equals(strErrorTx)) {
-                    transactionMap.put(hash, UNFETCHABLE_BLOCK_TRANSACTION);
-                    checkReferences.removeIf(ref -> ref.getHash().equals(hash));
-                    continue;
+                    if(strRawTx.equals(strErrorTx)) {
+                        transactionMap.put(hash, UNFETCHABLE_BLOCK_TRANSACTION);
+                        checkReferences.removeIf(ref -> ref.getHash().equals(hash));
+                        continue;
+                    }
+
+                    byte[] rawtx = Utils.hexToBytes(strRawTx);
+                    Transaction transaction;
+
+                    try {
+                        transaction = new Transaction(rawtx);
+                    } catch(ProtocolException e) {
+                        log.error("Could not parse tx: " + strRawTx);
+                        continue;
+                    }
+
+                    Optional<BlockTransactionHash> optionalReference = references.keySet().stream().filter(reference -> reference.getHash().equals(hash)).findFirst();
+                    if(optionalReference.isEmpty()) {
+                        throw new IllegalStateException("Returned transaction " + hash.toString() + " that was not requested");
+                    }
+                    BlockTransactionHash reference = optionalReference.get();
+
+                    references.put(reference, transaction);
                 }
+            }
 
-                byte[] rawtx = Utils.hexToBytes(strRawTx);
-                Transaction transaction;
-
-                try {
-                    transaction = new Transaction(rawtx);
-                } catch(ProtocolException e) {
-                    log.error("Could not parse tx: " + strRawTx);
-                    continue;
-                }
-
-                Optional<BlockTransactionHash> optionalReference = references.stream().filter(reference -> reference.getHash().equals(hash)).findFirst();
-                if(optionalReference.isEmpty()) {
-                    throw new IllegalStateException("Returned transaction " + hash.toString() + " that was not requested");
-                }
-                BlockTransactionHash reference = optionalReference.get();
+            for(BlockTransactionHash reference : references.keySet()) {
+                Transaction transaction = references.get(reference);
 
                 Date blockDate = null;
                 if(reference.getHeight() > 0) {
                     BlockHeader blockHeader = blockHeaderMap.get(reference.getHeight());
                     if(blockHeader == null) {
-                        transactionMap.put(hash, UNFETCHABLE_BLOCK_TRANSACTION);
-                        checkReferences.removeIf(ref -> ref.getHash().equals(hash));
+                        transactionMap.put(reference.getHash(), UNFETCHABLE_BLOCK_TRANSACTION);
+                        checkReferences.removeIf(ref -> ref.getHash().equals(reference.getHash()));
                         continue;
                     }
                     blockDate = blockHeader.getTimeAsDate();
@@ -667,7 +770,7 @@ public class ElectrumServer {
 
                 BlockTransaction blockchainTransaction = new BlockTransaction(reference.getHash(), reference.getHeight(), blockDate, reference.getFee(), transaction);
 
-                transactionMap.put(hash, blockchainTransaction);
+                transactionMap.put(reference.getHash(), blockchainTransaction);
                 checkReferences.remove(reference);
             }
 
@@ -833,6 +936,20 @@ public class ElectrumServer {
         return targetBlocksFeeRatesSats;
     }
 
+    public Double getNextBlockMedianFeeRate() {
+        FeeRatesSource feeRatesSource = Config.get().getFeeRatesSource();
+        feeRatesSource = (feeRatesSource == null ? FeeRatesSource.MEMPOOL_SPACE : feeRatesSource);
+        if(feeRatesSource.supportsNetwork(Network.get())) {
+            try {
+                return feeRatesSource.getNextBlockMedianFeeRate();
+            } catch(Exception e) {
+                return null;
+            }
+        }
+
+        return null;
+    }
+
     public Map<Integer, Double> getDefaultFeeEstimates(List<Integer> targetBlocks) throws ServerException {
         try {
             Map<Integer, Double> targetBlocksFeeRatesBtcKb = electrumServerRpc.getFeeEstimates(getTransport(), targetBlocks);
@@ -875,6 +992,100 @@ public class ElectrumServer {
         return Transaction.DEFAULT_MIN_RELAY_FEE;
     }
 
+    public Map<Integer, BlockSummary> getRecentBlockSummaryMap() throws ServerException {
+        return getBlockSummaryMap(null, null);
+    }
+
+    public Map<Integer, BlockSummary> getBlockSummaryMap(Integer height, BlockHeader blockHeader) throws ServerException {
+        if(serverCapability.supportsBlockStats()) {
+            if(height == null) {
+                Integer current = AppServices.getCurrentBlockHeight();
+                if(current == null) {
+                    return Collections.emptyMap();
+                }
+                Set<Integer> heights = IntStream.range(current - 1, current + 1).boxed().collect(Collectors.toSet());
+                Map<Integer, BlockStats> blockStats = electrumServerRpc.getBlockStats(getTransport(), heights);
+                return blockStats.keySet().stream().collect(Collectors.toMap(java.util.function.Function.identity(), v -> blockStats.get(v).toBlockSummary()));
+            } else {
+                Map<Integer, BlockStats> blockStats = electrumServerRpc.getBlockStats(getTransport(), Set.of(height));
+                return blockStats.keySet().stream().collect(Collectors.toMap(java.util.function.Function.identity(), v -> blockStats.get(v).toBlockSummary()));
+            }
+        }
+
+        FeeRatesSource feeRatesSource = Config.get().getFeeRatesSource();
+        feeRatesSource = (feeRatesSource == null ? FeeRatesSource.MEMPOOL_SPACE : feeRatesSource);
+
+        if(feeRatesSource.supportsNetwork(Network.get())) {
+            try {
+                if(blockHeader == null) {
+                    return feeRatesSource.getRecentBlockSummaries();
+                } else {
+                    Map<Integer, BlockSummary> blockSummaryMap = new HashMap<>();
+                    BlockSummary blockSummary = feeRatesSource.getBlockSummary(Sha256Hash.twiceOf(blockHeader.bitcoinSerialize()));
+                    if(blockSummary != null && blockSummary.getHeight() != null) {
+                        blockSummaryMap.put(blockSummary.getHeight(), blockSummary);
+                    }
+                    return blockSummaryMap;
+                }
+            } catch(Exception e) {
+                return getServerBlockSummaryMap(height, blockHeader);
+            }
+        } else {
+            return getServerBlockSummaryMap(height, blockHeader);
+        }
+    }
+
+    private Map<Integer, BlockSummary> getServerBlockSummaryMap(Integer height, BlockHeader blockHeader) throws ServerException {
+        if(blockHeader == null || height == null) {
+            Integer current = AppServices.getCurrentBlockHeight();
+            if(current == null) {
+                return Collections.emptyMap();
+            }
+            Set<BlockTransactionHash> references = IntStream.range(current - 1, current + 1)
+                    .mapToObj(i -> new BlockTransaction(null, i, null, null, null)).collect(Collectors.toSet());
+            Map<Integer, BlockHeader> blockHeaders = getBlockHeaders(null, references);
+            return blockHeaders.keySet().stream()
+                    .collect(Collectors.toMap(java.util.function.Function.identity(), v -> new BlockSummary(v, blockHeaders.get(v).getTimeAsDate())));
+        } else {
+            Map<Integer, BlockSummary> blockSummaryMap = new HashMap<>();
+            blockSummaryMap.put(height, new BlockSummary(height, blockHeader.getTimeAsDate()));
+            return blockSummaryMap;
+        }
+    }
+
+    public List<BlockTransaction> getRecentMempoolTransactions() {
+        FeeRatesSource feeRatesSource = Config.get().getFeeRatesSource();
+        feeRatesSource = (feeRatesSource == null ? FeeRatesSource.MEMPOOL_SPACE : feeRatesSource);
+
+        if(feeRatesSource.supportsNetwork(Network.get())) {
+            try {
+                List<BlockTransactionHash> recentTransactions = feeRatesSource.getRecentMempoolTransactions();
+                Map<BlockTransactionHash, Transaction> setReferences = new HashMap<>();
+                setReferences.put(recentTransactions.getFirst(), null);
+                Random random = new Random();
+                if(random.nextBoolean()) {
+                    setReferences.put(recentTransactions.get(random.nextInt(recentTransactions.size())), null);
+                }
+                Map<Sha256Hash, BlockTransaction> transactions = getTransactions(null, setReferences, Collections.emptyMap());
+                return transactions.values().stream().filter(blxTx -> blxTx.getTransaction() != null).toList();
+            } catch(Exception e) {
+                return Collections.emptyList();
+            }
+        } else {
+            return Collections.emptyList();
+        }
+    }
+
+    public Sha256Hash broadcastTransaction(Transaction transaction, Long fee) throws ServerException {
+        Sha256Hash txid = broadcastTransactionPrivately(transaction);
+        if(txid != null) {
+            BlockTransaction blkTx = new BlockTransaction(txid, 0, null, fee, transaction);
+            broadcastedTransactions.put(txid, blkTx);
+        }
+
+        return txid;
+    }
+
     public Sha256Hash broadcastTransactionPrivately(Transaction transaction) throws ServerException {
         //If Tor proxy is configured, try all external broadcast sources in random order before falling back to connected Electrum server
         if(AppServices.isUsingProxy()) {
@@ -987,6 +1198,14 @@ public class ElectrumServer {
         return scriptHashes;
     }
 
+    private static TransactionOutput getPrevOutput(Wallet wallet, TransactionInput txInput) {
+        try {
+            return wallet.getWalletTransaction(txInput.getOutpoint().getHash()).getTransaction().getOutputs().get((int)txInput.getOutpoint().getIndex());
+        } catch(Exception e) {
+            return null;
+        }
+    }
+
     public static String getScriptHash(WalletNode node) {
         byte[] hash = Sha256Hash.hash(node.getOutputScript().getProgram());
         byte[] reversed = Utils.reverseBytes(hash);
@@ -1023,6 +1242,10 @@ public class ElectrumServer {
         existingStatuses.add(status);
     }
 
+    public static void updateRetrievedBlockHeaders(Integer blockHeight, BlockHeader blockHeader) {
+        retrievedBlockHeaders.put(blockHeight, blockHeader);
+    }
+
     public static ServerCapability getServerCapability(List<String> serverVersion) {
         if(!serverVersion.isEmpty()) {
             String server = serverVersion.getFirst().toLowerCase(Locale.ROOT);
@@ -1031,7 +1254,7 @@ public class ElectrumServer {
             }
 
             if(server.startsWith("cormorant")) {
-                return new ServerCapability(true);
+                return new ServerCapability(true, false, true);
             }
 
             if(server.startsWith("electrs/")) {
@@ -1217,7 +1440,7 @@ public class ElectrumServer {
                         firstCall = false;
 
                         //If electrumx is detected, we can upgrade to batched RPC. Electrs/EPS do not support batching.
-                        ServerCapability serverCapability = getServerCapability(serverVersion);
+                        serverCapability = getServerCapability(serverVersion);
                         if(serverCapability.supportsBatching()) {
                             log.debug("Upgrading to batched JSON-RPC");
                             electrumServerRpc = new BatchedElectrumServerRpc(electrumServerRpc.getIdCounterValue(), serverCapability.getMaxTargetBlocks());
@@ -1251,8 +1474,9 @@ public class ElectrumServer {
                             if(elapsed > FEE_RATES_PERIOD) {
                                 Map<Integer, Double> blockTargetFeeRates = electrumServer.getFeeEstimates(AppServices.TARGET_BLOCKS_RANGE, false);
                                 Set<MempoolRateSize> mempoolRateSizes = electrumServer.getMempoolRateSizes();
+                                Double nextBlockMedianFeeRate = electrumServer.getNextBlockMedianFeeRate();
                                 feeRatesRetrievedAt = System.currentTimeMillis();
-                                return new FeeRatesUpdatedEvent(blockTargetFeeRates, mempoolRateSizes);
+                                return new FeeRatesUpdatedEvent(blockTargetFeeRates, mempoolRateSizes, nextBlockMedianFeeRate);
                             }
                         } else {
                             closeConnection();
@@ -1509,6 +1733,7 @@ public class ElectrumServer {
         private final Sha256Hash txId;
         private final Set<WalletNode> nodes;
         private final IntegerProperty iterationCount = new SimpleIntegerProperty(0);
+        private boolean cancelled;
 
         public TransactionMempoolService(Wallet wallet, Sha256Hash txId, Set<WalletNode> nodes) {
             this.wallet = wallet;
@@ -1524,6 +1749,22 @@ public class ElectrumServer {
             return iterationCount;
         }
 
+        public boolean isCancelled() {
+            return cancelled;
+        }
+
+        @Override
+        public void start() {
+            this.cancelled = false;
+            super.start();
+        }
+
+        @Override
+        public boolean cancel() {
+            this.cancelled = true;
+            return super.cancel();
+        }
+
         @Override
         protected Task<Set<String>> createTask() {
             return new Task<>() {
@@ -1569,7 +1810,7 @@ public class ElectrumServer {
                 protected Map<Sha256Hash, BlockTransaction> call() throws ServerException {
                     Map<Sha256Hash, BlockTransaction> transactionMap = new HashMap<>();
                     for(Sha256Hash ref : references) {
-                        if(retrievedTransactions.get(ref) != null) {
+                        if(retrievedTransactions.containsKey(ref)) {
                             transactionMap.put(ref, retrievedTransactions.get(ref));
                         }
                     }
@@ -1629,15 +1870,17 @@ public class ElectrumServer {
                     ElectrumServer electrumServer = new ElectrumServer();
                     List<Set<BlockTransactionHash>> outputTransactionReferences = electrumServer.getOutputTransactionReferences(transaction, indexStart, indexEnd, blockTransactionHashes);
 
-                    Set<BlockTransactionHash> setReferences = new HashSet<>();
+                    Map<BlockTransactionHash, Transaction> setReferences = new HashMap<>();
                     for(Set<BlockTransactionHash> outputReferences : outputTransactionReferences) {
                         if(outputReferences != null) {
-                            setReferences.addAll(outputReferences);
+                            for(BlockTransactionHash outputReference : outputReferences) {
+                                setReferences.put(outputReference, null);
+                            }
                         }
                     }
                     setReferences.remove(null);
                     setReferences.remove(UNFETCHABLE_BLOCK_TRANSACTION);
-                    setReferences.removeIf(ref -> transactionMap.get(ref.getHash()) != null);
+                    setReferences.keySet().removeIf(ref -> transactionMap.get(ref.getHash()) != null);
 
                     List<BlockTransaction> blockTransactions = new ArrayList<>(transaction.getOutputs().size());
                     for(int i = 0; i < transaction.getOutputs().size(); i++) {
@@ -1645,7 +1888,7 @@ public class ElectrumServer {
                     }
 
                     if(!setReferences.isEmpty()) {
-                        Map<Integer, BlockHeader> blockHeaderMap = electrumServer.getBlockHeaders(null, setReferences);
+                        Map<Integer, BlockHeader> blockHeaderMap = electrumServer.getBlockHeaders(null, setReferences.keySet());
                         transactionMap.putAll(electrumServer.getTransactions(null, setReferences, blockHeaderMap));
                     }
 
@@ -1686,9 +1929,11 @@ public class ElectrumServer {
 
     public static class BroadcastTransactionService extends Service<Sha256Hash> {
         private final Transaction transaction;
+        private final Long fee;
 
-        public BroadcastTransactionService(Transaction transaction) {
+        public BroadcastTransactionService(Transaction transaction, Long fee) {
             this.transaction = transaction;
+            this.fee = fee;
         }
 
         @Override
@@ -1696,7 +1941,7 @@ public class ElectrumServer {
             return new Task<>() {
                 protected Sha256Hash call() throws ServerException {
                     ElectrumServer electrumServer = new ElectrumServer();
-                    return electrumServer.broadcastTransactionPrivately(transaction);
+                    return electrumServer.broadcastTransaction(transaction, fee);
                 }
             };
         }
@@ -1709,12 +1954,134 @@ public class ElectrumServer {
                 protected FeeRatesUpdatedEvent call() throws ServerException {
                     ElectrumServer electrumServer = new ElectrumServer();
                     Map<Integer, Double> blockTargetFeeRates = electrumServer.getFeeEstimates(AppServices.TARGET_BLOCKS_RANGE, false);
-                    return new FeeRatesUpdatedEvent(blockTargetFeeRates, null);
+                    Double nextBlockMedianFeeRate = electrumServer.getNextBlockMedianFeeRate();
+                    return new FeeRatesUpdatedEvent(blockTargetFeeRates, null, nextBlockMedianFeeRate);
                 }
             };
         }
     }
 
+    public static class BlockSummaryService extends Service<BlockSummaryEvent> {
+        private final List<NewBlockEvent> newBlockEvents;
+
+        public BlockSummaryService(List<NewBlockEvent> newBlockEvents) {
+            this.newBlockEvents = newBlockEvents;
+        }
+
+        @Override
+        protected Task<BlockSummaryEvent> createTask() {
+            return new Task<>() {
+                protected BlockSummaryEvent call() throws ServerException {
+                    ElectrumServer electrumServer = new ElectrumServer();
+                    Map<Integer, BlockSummary> blockSummaryMap = new LinkedHashMap<>();
+
+                    int maxHeight = AppServices.getBlockSummaries().keySet().stream().mapToInt(Integer::intValue).max().orElse(0);
+                    int startHeight = newBlockEvents.stream().mapToInt(NewBlockEvent::getHeight).min().orElse(0);
+                    int endHeight = newBlockEvents.stream().mapToInt(NewBlockEvent::getHeight).max().orElse(0);
+                    int totalBlocks = Math.max(0, endHeight - maxHeight);
+
+                    if(startHeight == 0 || totalBlocks > 1 || startHeight > maxHeight + 1) {
+                        if(isBlockstorm(totalBlocks)) {
+                            int start = Math.max(maxHeight + 1, endHeight - 15);
+                            for(int height = start; height <= endHeight; height++) {
+                                blockSummaryMap.put(height, new BlockSummary(height, new Date(), 1.0d, 0, 0));
+                            }
+                        } else {
+                            blockSummaryMap.putAll(electrumServer.getRecentBlockSummaryMap());
+                        }
+                    }
+
+                    List<NewBlockEvent> events = new ArrayList<>(newBlockEvents);
+                    events.removeIf(event -> blockSummaryMap.containsKey(event.getHeight()));
+                    if(!events.isEmpty()) {
+                        for(NewBlockEvent event : newBlockEvents) {
+                            blockSummaryMap.putAll(electrumServer.getBlockSummaryMap(event.getHeight(), event.getBlockHeader()));
+                        }
+                    }
+
+                    Config config = Config.get();
+                    if(!isBlockstorm(totalBlocks) && !AppServices.isUsingProxy() && config.getServer().getProtocol().equals(Protocol.SSL)
+                            && (config.getServerType() == ServerType.PUBLIC_ELECTRUM_SERVER || config.getServerType() == ServerType.ELECTRUM_SERVER)) {
+                        subscribeRecent(electrumServer);
+                    }
+
+                    Double nextBlockMedianFeeRate = null;
+                    if(!isBlockstorm(totalBlocks)) {
+                        nextBlockMedianFeeRate = electrumServer.getNextBlockMedianFeeRate();
+                    }
+                    return new BlockSummaryEvent(blockSummaryMap, nextBlockMedianFeeRate);
+                }
+            };
+        }
+
+        private boolean isBlockstorm(int totalBlocks) {
+            return Network.get() != Network.MAINNET && totalBlocks > 2;
+        }
+
+        private final static Set<String> subscribedRecent = Collections.newSetFromMap(new ConcurrentHashMap<>());
+
+        private void subscribeRecent(ElectrumServer electrumServer) {
+            Set<String> unsubscribeScriptHashes = new HashSet<>(subscribedRecent);
+            unsubscribeScriptHashes.removeIf(subscribedScriptHashes::containsKey);
+            electrumServerRpc.unsubscribeScriptHashes(transport, unsubscribeScriptHashes);
+            subscribedRecent.removeAll(unsubscribeScriptHashes);
+
+            Map<String, String> subscribeScriptHashes = new HashMap<>();
+            List<BlockTransaction> recentTransactions = electrumServer.getRecentMempoolTransactions();
+            for(BlockTransaction blkTx : recentTransactions) {
+                for(int i = 0; i < blkTx.getTransaction().getOutputs().size(); i++) {
+                    TransactionOutput txOutput = blkTx.getTransaction().getOutputs().get(i);
+                    String scriptHash = getScriptHash(txOutput);
+                    if(!subscribedScriptHashes.containsKey(scriptHash)) {
+                        subscribeScriptHashes.put("m/" + i, getScriptHash(txOutput));
+                    }
+                    if(Math.random() < 0.1d) {
+                        break;
+                    }
+                }
+            }
+
+            if(!subscribeScriptHashes.isEmpty()) {
+                try {
+                    electrumServerRpc.subscribeScriptHashes(transport, null, subscribeScriptHashes);
+                    subscribedRecent.addAll(subscribeScriptHashes.values());
+                } catch(ElectrumServerRpcException e) {
+                    log.debug("Error subscribing to recent mempool transactions", e);
+                }
+            }
+
+            if(!recentTransactions.isEmpty()) {
+                broadcastRecent(electrumServer, recentTransactions);
+            }
+        }
+
+        private void broadcastRecent(ElectrumServer electrumServer, List<BlockTransaction> recentTransactions) {
+            ScheduledService<Void> broadcastService = new ScheduledService<>() {
+                @Override
+                protected Task<Void> createTask() {
+                    return new Task<>() {
+                        @Override
+                        protected Void call() throws Exception {
+                            if(!recentTransactions.isEmpty()) {
+                                Random random = new Random();
+                                if(random.nextBoolean()) {
+                                    BlockTransaction blkTx = recentTransactions.get(random.nextInt(recentTransactions.size()));
+                                    electrumServer.broadcastTransaction(blkTx.getTransaction());
+                                }
+                            }
+                            return null;
+                        }
+                    };
+                }
+            };
+            broadcastService.setDelay(Duration.seconds(Math.random() * 60 * 10));
+            broadcastService.setPeriod(Duration.hours(1));
+            broadcastService.setOnSucceeded(_ -> broadcastService.cancel());
+            broadcastService.setOnFailed(_ -> broadcastService.cancel());
+            broadcastService.start();
+        }
+    }
+
     public static class WalletDiscoveryService extends Service<Optional<Wallet>> {
         private final List<Wallet> wallets;
 

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

@@ -22,8 +22,12 @@ public interface ElectrumServerRpc {
 
     Map<String, String> subscribeScriptHashes(Transport transport, Wallet wallet, Map<String, String> pathScriptHashes);
 
+    Map<String, Boolean> unsubscribeScriptHashes(Transport transport, Set<String> scriptHashes);
+
     Map<Integer, String> getBlockHeaders(Transport transport, Wallet wallet, Set<Integer> blockHeights);
 
+    Map<Integer, BlockStats> getBlockStats(Transport transport, Set<Integer> blockHeights);
+
     Map<String, String> getTransactions(Transport transport, Wallet wallet, Set<String> txids);
 
     Map<String, VerboseTransaction> getVerboseTransactions(Transport transport, Set<String> txids, String scriptHash);

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

@@ -9,9 +9,12 @@ import javafx.concurrent.ScheduledService;
 import javafx.concurrent.Service;
 import javafx.concurrent.Task;
 import org.apache.commons.lang3.time.DateUtils;
+import org.girod.javafx.svgimage.SVGImage;
+import org.girod.javafx.svgimage.SVGLoader;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.net.URL;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.time.Instant;
@@ -297,6 +300,19 @@ public enum ExchangeSource {
         return name;
     }
 
+    public SVGImage getSVGImage() {
+        try {
+            URL url = AppServices.class.getResource("/image/exchangesource/" + name.toLowerCase(Locale.ROOT) + "-icon.svg");
+            if(url != null) {
+                return SVGLoader.load(url);
+            }
+        } catch(Exception e) {
+            log.error("Could not load exchange source image for " + name);
+        }
+
+        return null;
+    }
+
     public static class CurrenciesService extends Service<List<Currency>> {
         private final ExchangeSource exchangeSource;
 

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

@@ -1,13 +1,19 @@
 package com.sparrowwallet.sparrow.net;
 
 import com.sparrowwallet.drongo.Network;
+import com.sparrowwallet.drongo.Utils;
+import com.sparrowwallet.drongo.protocol.Sha256Hash;
+import com.sparrowwallet.drongo.wallet.BlockTransaction;
+import com.sparrowwallet.drongo.wallet.BlockTransactionHash;
 import com.sparrowwallet.sparrow.AppServices;
+import com.sparrowwallet.sparrow.BlockSummary;
+import org.girod.javafx.svgimage.SVGImage;
+import org.girod.javafx.svgimage.SVGLoader;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.Collections;
-import java.util.LinkedHashMap;
-import java.util.Map;
+import java.net.URL;
+import java.util.*;
 
 public enum FeeRatesSource {
     ELECTRUM_SERVER("Server", false) {
@@ -24,11 +30,40 @@ public enum FeeRatesSource {
     MEMPOOL_SPACE("mempool.space", true) {
         @Override
         public Map<Integer, Double> getBlockTargetFeeRates(Map<Integer, Double> defaultblockTargetFeeRates) {
-            String url = AppServices.isUsingProxy() ? "http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion/api/v1/fees/recommended" : "https://mempool.space/api/v1/fees/recommended";
+            String url = getApiUrl() + "v1/fees/recommended";
+            return getThreeTierFeeRates(this, defaultblockTargetFeeRates, url);
+        }
+
+        @Override
+        public Double getNextBlockMedianFeeRate() throws Exception {
+            String url = getApiUrl() + "v1/fees/mempool-blocks";
+            return requestNextBlockMedianFeeRate(this, url);
+        }
+
+        @Override
+        public BlockSummary getBlockSummary(Sha256Hash blockId) throws Exception {
+            String url = getApiUrl() + "v1/block/" + Utils.bytesToHex(blockId.getReversedBytes());
+            return requestBlockSummary(this, url);
+        }
+
+        @Override
+        public Map<Integer, BlockSummary> getRecentBlockSummaries() throws Exception {
+            String url = getApiUrl() + "v1/blocks";
+            return requestBlockSummaries(this, url);
+        }
+
+        @Override
+        public List<BlockTransactionHash> getRecentMempoolTransactions() throws Exception {
+            String url = getApiUrl() + "mempool/recent";
+            return requestRecentMempoolTransactions(this, url);
+        }
+
+        private String getApiUrl() {
+            String url = AppServices.isUsingProxy() ? "http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion/api/" : "https://mempool.space/api/";
             if(Network.get() != Network.MAINNET && supportsNetwork(Network.get())) {
                 url = url.replace("/api/", "/" + Network.get().getName() + "/api/");
             }
-            return getThreeTierFeeRates(this, defaultblockTargetFeeRates, url);
+            return url;
         }
 
         @Override
@@ -101,6 +136,22 @@ public enum FeeRatesSource {
 
     public abstract Map<Integer, Double> getBlockTargetFeeRates(Map<Integer, Double> defaultblockTargetFeeRates);
 
+    public Double getNextBlockMedianFeeRate() throws Exception {
+        throw new UnsupportedOperationException(name + " does not support retrieving the next block median fee rate");
+    }
+
+    public BlockSummary getBlockSummary(Sha256Hash blockId) throws Exception {
+        throw new UnsupportedOperationException(name + " does not support block summaries");
+    }
+
+    public Map<Integer, BlockSummary> getRecentBlockSummaries() throws Exception {
+        throw new UnsupportedOperationException(name + " does not support block summaries");
+    }
+
+    public List<BlockTransactionHash> getRecentMempoolTransactions() throws Exception {
+        throw new UnsupportedOperationException(name + " does not support recent mempool transactions");
+    }
+
     public abstract boolean supportsNetwork(Network network);
 
     public String getName() {
@@ -158,11 +209,130 @@ public enum FeeRatesSource {
         return httpClientService.requestJson(url, ThreeTierRates.class, null);
     }
 
+    protected static Double requestNextBlockMedianFeeRate(FeeRatesSource feeRatesSource, String url) throws Exception {
+        if(log.isInfoEnabled()) {
+            log.info("Requesting next block median fee rate from " + url);
+        }
+
+        HttpClientService httpClientService = AppServices.getHttpClientService();
+        try {
+            MempoolBlock[] mempoolBlocks = feeRatesSource.requestMempoolBlocks(url, httpClientService);
+            return mempoolBlocks.length > 0 ? mempoolBlocks[0].medianFee : null;
+        } catch (Exception e) {
+            if(log.isDebugEnabled()) {
+                log.warn("Error retrieving next block median fee rate from " + url, e);
+            } else {
+                log.warn("Error retrieving next block median fee rate from " + url + " (" + e.getMessage() + ")");
+            }
+
+            throw e;
+        }
+    }
+
+    protected MempoolBlock[] requestMempoolBlocks(String url, HttpClientService httpClientService) throws Exception {
+        return httpClientService.requestJson(url, MempoolBlock[].class, null);
+    }
+
+    protected static BlockSummary requestBlockSummary(FeeRatesSource feeRatesSource, String url) throws Exception {
+        if(log.isInfoEnabled()) {
+            log.info("Requesting block summary from " + url);
+        }
+
+        HttpClientService httpClientService = AppServices.getHttpClientService();
+        try {
+            MempoolBlockSummary mempoolBlockSummary = feeRatesSource.requestBlockSummary(url, httpClientService);
+            return mempoolBlockSummary.toBlockSummary();
+        } catch (Exception e) {
+            if(log.isDebugEnabled()) {
+                log.warn("Error retrieving block summary from " + url, e);
+            } else {
+                log.warn("Error retrieving block summary from " + url + " (" + e.getMessage() + ")");
+            }
+
+            throw e;
+        }
+    }
+
+    protected MempoolBlockSummary requestBlockSummary(String url, HttpClientService httpClientService) throws Exception {
+        return httpClientService.requestJson(url, MempoolBlockSummary.class, null);
+    }
+
+    protected static Map<Integer, BlockSummary> requestBlockSummaries(FeeRatesSource feeRatesSource, String url) throws Exception {
+        if(log.isInfoEnabled()) {
+            log.info("Requesting block summaries from " + url);
+        }
+
+        Map<Integer, BlockSummary> blockSummaryMap = new LinkedHashMap<>();
+        HttpClientService httpClientService = AppServices.getHttpClientService();
+        try {
+            MempoolBlockSummary[] blockSummaries = feeRatesSource.requestBlockSummaries(url, httpClientService);
+            for(MempoolBlockSummary blockSummary : blockSummaries) {
+                if(blockSummary.height != null) {
+                    blockSummaryMap.put(blockSummary.height, blockSummary.toBlockSummary());
+                }
+            }
+            return blockSummaryMap;
+        } catch (Exception e) {
+            if(log.isDebugEnabled()) {
+                log.warn("Error retrieving block summaries from " + url, e);
+            } else {
+                log.warn("Error retrieving block summaries from " + url + " (" + e.getMessage() + ")");
+            }
+
+            throw e;
+        }
+    }
+
+    protected MempoolBlockSummary[] requestBlockSummaries(String url, HttpClientService httpClientService) throws Exception {
+        return httpClientService.requestJson(url, MempoolBlockSummary[].class, null);
+    }
+
+    protected List<BlockTransactionHash> requestRecentMempoolTransactions(FeeRatesSource feeRatesSource, String url) throws Exception {
+        HttpClientService httpClientService = AppServices.getHttpClientService();
+        try {
+            MempoolRecentTransaction[] recentTransactions = feeRatesSource.requestRecentMempoolTransactions(url, httpClientService);
+            return Arrays.stream(recentTransactions).sorted().map(tx -> (BlockTransactionHash)new BlockTransaction(tx.txid, 0, null, tx.fee, null)).toList();
+        } catch (Exception e) {
+            if(log.isDebugEnabled()) {
+                log.warn("Error retrieving recent mempool transactions from " + url, e);
+            } else {
+                log.warn("Error retrieving recent mempool from " + url + " (" + e.getMessage() + ")");
+            }
+
+            throw e;
+        }
+    }
+
+    protected MempoolRecentTransaction[] requestRecentMempoolTransactions(String url, HttpClientService httpClientService) throws Exception {
+        return httpClientService.requestJson(url, MempoolRecentTransaction[].class, null);
+    }
+
     @Override
     public String toString() {
         return name;
     }
 
+    public String getDescription() {
+        return switch(this) {
+            case ELECTRUM_SERVER -> "server";
+            case MINIMUM -> "settings";
+            default -> getName().toLowerCase(Locale.ROOT);
+        };
+    }
+
+    public SVGImage getSVGImage() {
+        try {
+            URL url = AppServices.class.getResource("/image/feeratesource/" + getDescription() + "-icon.svg");
+            if(url != null) {
+                return SVGLoader.load(url);
+            }
+        } catch(Exception e) {
+            log.error("Could not load fee rates source image for " + name);
+        }
+
+        return null;
+    }
+
     protected record ThreeTierRates(Double fastestFee, Double halfHourFee, Double hourFee, Double minimumFee) {}
 
     private record OxtRates(OxtRatesData[] data) {}
@@ -172,4 +342,32 @@ public enum FeeRatesSource {
             return new ThreeTierRates(recommended_fee_099/1000, recommended_fee_090/1000, recommended_fee_050/1000, null);
         }
     }
+
+    protected record MempoolBlock(Integer nTx, Double medianFee) {}
+
+    protected record MempoolBlockSummary(String id, Integer height, Long timestamp, Integer tx_count, Integer weight, MempoolBlockSummaryExtras extras) {
+        public Double getMedianFee() {
+            return extras == null ? null : extras.medianFee();
+        }
+
+        public BlockSummary toBlockSummary() {
+            if(height == null || timestamp == null) {
+                throw new IllegalStateException("Height = " + height + ", timestamp = " + timestamp + ": both must be specified");
+            }
+            return new BlockSummary(height, new Date(timestamp * 1000), getMedianFee(), tx_count, weight);
+        }
+    }
+
+    private record MempoolBlockSummaryExtras(Double medianFee) {}
+
+    protected record MempoolRecentTransaction(Sha256Hash txid, Long fee, Long vsize) implements Comparable<MempoolRecentTransaction> {
+        private Double getFeeRate() {
+            return fee == null || vsize == null ? 0.0d : (double)fee / vsize;
+        }
+
+        @Override
+        public int compareTo(MempoolRecentTransaction o) {
+            return Double.compare(o.getFeeRate(), getFeeRate());
+        }
+    }
 }

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

@@ -16,6 +16,10 @@ package com.sparrowwallet.sparrow.net;
  * limitations under the License.
  */
 
+import com.sparrowwallet.sparrow.AppServices;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.net.InetAddress;
 import java.net.UnknownHostException;
 
@@ -32,6 +36,8 @@ import java.net.UnknownHostException;
  * Slightly modified by omidzk to have zero dependency to any frameworks other than the JRE.
  */
 public final class IpAddressMatcher {
+    private static final Logger log = LoggerFactory.getLogger(IpAddressMatcher.class);
+
     private static final IpAddressMatcher LOCAL_RANGE_1 = new IpAddressMatcher("10.0.0.0/8");
     private static final IpAddressMatcher LOCAL_RANGE_2 = new IpAddressMatcher("172.16.0.0/12");
     private static final IpAddressMatcher LOCAL_RANGE_3 = new IpAddressMatcher("192.168.0.0/16");
@@ -102,6 +108,15 @@ public final class IpAddressMatcher {
     }
 
     public static boolean isLocalNetworkAddress(String address) {
-        return "localhost".equals(address) || "127.0.0.1".equals(address) || LOCAL_RANGE_1.matches(address) || LOCAL_RANGE_2.matches(address) || LOCAL_RANGE_3.matches(address) || LOCAL_RANGE_4.matches(address);
+        try {
+            return "localhost".equals(address) || "127.0.0.1".equals(address) || LOCAL_RANGE_1.matches(address) || LOCAL_RANGE_2.matches(address) || LOCAL_RANGE_3.matches(address) || LOCAL_RANGE_4.matches(address);
+        } catch(IllegalArgumentException e) {
+            if(AppServices.isUsingProxy()) {
+                log.info(e.getMessage() + ", assuming it is a non-local address to be resolved by the configured proxy");
+                return false;
+            }
+
+            throw e;
+        }
     }
 }

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

@@ -1,5 +1,6 @@
 package com.sparrowwallet.sparrow.net;
 
+import com.google.common.net.HostAndPort;
 import com.sparrowwallet.drongo.Network;
 import com.sparrowwallet.sparrow.io.Server;
 
@@ -61,6 +62,16 @@ public enum PublicElectrumServer {
         return null;
     }
 
+    public static boolean isPublicServer(HostAndPort hostAndPort) {
+        for(PublicElectrumServer publicServer : values()) {
+            if(publicServer.getServer().getHostAndPort().equals(hostAndPort)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     @Override
     public String toString() {
         return server.getAlias();

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

@@ -4,7 +4,7 @@ import com.sparrowwallet.drongo.protocol.Sha256Hash;
 import com.sparrowwallet.drongo.wallet.BlockTransaction;
 import com.sparrowwallet.drongo.wallet.BlockTransactionHash;
 
-class ScriptHashTx {
+public class ScriptHashTx {
     public static final ScriptHashTx ERROR_TX = new ScriptHashTx() {
         @Override
         public BlockTransactionHash getBlockchainTransactionHash() {
@@ -16,6 +16,14 @@ class ScriptHashTx {
     public String tx_hash;
     public long fee;
 
+    public ScriptHashTx() {}
+
+    public ScriptHashTx(int height, String tx_hash, long fee) {
+        this.height = height;
+        this.tx_hash = tx_hash;
+        this.fee = fee;
+    }
+
     public BlockTransactionHash getBlockchainTransactionHash() {
         Sha256Hash hash = Sha256Hash.wrap(tx_hash);
         return new BlockTransaction(hash, height, null, fee, null);

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

@@ -5,15 +5,29 @@ import com.sparrowwallet.sparrow.AppServices;
 public class ServerCapability {
     private final boolean supportsBatching;
     private final int maxTargetBlocks;
+    private final boolean supportsRecentMempool;
+    private final boolean supportsBlockStats;
 
     public ServerCapability(boolean supportsBatching) {
-        this.supportsBatching = supportsBatching;
-        this.maxTargetBlocks = AppServices.TARGET_BLOCKS_RANGE.getLast();
+        this(supportsBatching, AppServices.TARGET_BLOCKS_RANGE.getLast());
     }
 
     public ServerCapability(boolean supportsBatching, int maxTargetBlocks) {
         this.supportsBatching = supportsBatching;
         this.maxTargetBlocks = maxTargetBlocks;
+        this.supportsRecentMempool = false;
+        this.supportsBlockStats = false;
+    }
+
+    public ServerCapability(boolean supportsBatching, boolean supportsRecentMempool, boolean supportsBlockStats) {
+        this(supportsBatching, AppServices.TARGET_BLOCKS_RANGE.getLast(), supportsRecentMempool, supportsBlockStats);
+    }
+
+    public ServerCapability(boolean supportsBatching, int maxTargetBlocks, boolean supportsRecentMempool, boolean supportsBlockStats) {
+        this.supportsBatching = supportsBatching;
+        this.maxTargetBlocks = maxTargetBlocks;
+        this.supportsRecentMempool = supportsRecentMempool;
+        this.supportsBlockStats = supportsBlockStats;
     }
 
     public boolean supportsBatching() {
@@ -23,4 +37,12 @@ public class ServerCapability {
     public int getMaxTargetBlocks() {
         return maxTargetBlocks;
     }
+
+    public boolean supportsRecentMempool() {
+        return supportsRecentMempool;
+    }
+
+    public boolean supportsBlockStats() {
+        return supportsBlockStats;
+    }
 }

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

@@ -123,9 +123,9 @@ public class SimpleElectrumServerRpc implements ElectrumServerRpc {
         for(String path : pathScriptHashes.keySet()) {
             EventManager.get().post(new WalletHistoryStatusEvent(wallet, true, "Finding transactions for " + path));
             try {
-                String scriptHash = new RetryLogic<String>(MAX_RETRIES, RETRY_DELAY, List.of(IllegalStateException.class, IllegalArgumentException.class)).getResult(() ->
+                String scriptHashStatus = new RetryLogic<String>(MAX_RETRIES, RETRY_DELAY, List.of(IllegalStateException.class, IllegalArgumentException.class)).getResult(() ->
                         client.createRequest().returnAs(String.class).method("blockchain.scripthash.subscribe").id(idCounter.incrementAndGet()).params(pathScriptHashes.get(path)).executeNullable());
-                result.put(path, scriptHash);
+                result.put(path, scriptHashStatus);
             } catch(Exception e) {
                 //Even if we have some successes, failure to subscribe for all script hashes will result in outdated wallet view. Don't proceed.
                 throw new ElectrumServerRpcException("Failed to subscribe to path: " + path, e);
@@ -135,6 +135,24 @@ public class SimpleElectrumServerRpc implements ElectrumServerRpc {
         return result;
     }
 
+    @Override
+    public Map<String, Boolean> unsubscribeScriptHashes(Transport transport, Set<String> scriptHashes) {
+        JsonRpcClient client = new JsonRpcClient(transport);
+
+        Map<String, Boolean> result = new LinkedHashMap<>();
+        for(String scriptHash : scriptHashes) {
+            try {
+                Boolean wasSubscribed = new RetryLogic<Boolean>(MAX_RETRIES, RETRY_DELAY, List.of(IllegalStateException.class, IllegalArgumentException.class)).getResult(() ->
+                        client.createRequest().returnAs(Boolean.class).method("blockchain.scripthash.unsubscribe").id(idCounter.incrementAndGet()).params(scriptHash).executeNullable());
+                result.put(scriptHash, wasSubscribed);
+            } catch(Exception e) {
+                log.warn("Failed to unsubscribe from script hash: " + scriptHash, e);
+            }
+        }
+
+        return result;
+    }
+
     @Override
     public Map<Integer, String> getBlockHeaders(Transport transport, Wallet wallet, Set<Integer> blockHeights) {
         JsonRpcClient client = new JsonRpcClient(transport);
@@ -159,6 +177,29 @@ public class SimpleElectrumServerRpc implements ElectrumServerRpc {
         return result;
     }
 
+    @Override
+    public Map<Integer, BlockStats> getBlockStats(Transport transport, Set<Integer> blockHeights) {
+        JsonRpcClient client = new JsonRpcClient(transport);
+
+        Map<Integer, BlockStats> result = new LinkedHashMap<>();
+        for(Integer blockHeight : blockHeights) {
+            try {
+                BlockStats blockStats = new RetryLogic<BlockStats>(MAX_RETRIES, RETRY_DELAY, List.of(IllegalStateException.class, IllegalArgumentException.class)).getResult(() ->
+                        client.createRequest().returnAs(BlockStats.class).method("blockchain.block.stats").id(idCounter.incrementAndGet()).params(blockHeight).execute());
+                result.put(blockHeight, blockStats);
+            } catch(ServerException e) {
+                //If there is an error with the server connection, don't keep trying - this may take too long given many blocks
+                throw new ElectrumServerRpcException("Failed to retrieve block stats for block height: " + blockHeight, e);
+            } catch(JsonRpcException e) {
+                log.warn("Failed to retrieve block stats for block height: " + blockHeight + (e.getErrorMessage() != null ? " (" + e.getErrorMessage().getMessage() + ")" : ""));
+            } catch(Exception e) {
+                log.warn("Failed to retrieve block stats for block height: " + blockHeight + " (" + e.getMessage() + ")");
+            }
+        }
+
+        return result;
+    }
+
     @Override
     public Map<String, String> getTransactions(Transport transport, Wallet wallet, Set<String> txids) {
         JsonRpcClient client = new JsonRpcClient(transport);

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

@@ -20,6 +20,7 @@ public class SubscriptionService {
 
     @JsonRpcMethod("blockchain.headers.subscribe")
     public void newBlockHeaderTip(@JsonRpcParam("header") final BlockHeaderTip header) {
+        ElectrumServer.updateRetrievedBlockHeaders(header.height, header.getBlockHeader());
         Platform.runLater(() -> EventManager.get().post(new NewBlockEvent(header.height, header.getBlockHeader())));
     }
 
@@ -27,8 +28,7 @@ public class SubscriptionService {
     public void scriptHashStatusUpdated(@JsonRpcParam("scripthash") final String scriptHash, @JsonRpcOptional @JsonRpcParam("status") final String status) {
         List<String> existingStatuses = ElectrumServer.getSubscribedScriptHashes().get(scriptHash);
         if(existingStatuses == null) {
-            log.debug("Received script hash status update for unsubscribed script hash: " + scriptHash);
-            ElectrumServer.updateSubscribedScriptHashStatus(scriptHash, status);
+            log.trace("Received script hash status update for non-wallet script hash: " + scriptHash);
         } else if(status != null && existingStatuses.contains(status)) {
             log.debug("Received script hash status update, but status has not changed");
             return;

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

@@ -1,134 +1,89 @@
 package com.sparrowwallet.sparrow.net;
 
 import com.google.common.net.HostAndPort;
-import com.sparrowwallet.drongo.OsType;
+import com.sparrowwallet.drongo.IOUtils;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.event.TorStatusEvent;
 import com.sparrowwallet.sparrow.io.Storage;
-import io.matthewnelson.kmp.tor.KmpTorLoaderJvm;
-import io.matthewnelson.kmp.tor.PlatformInstaller;
-import io.matthewnelson.kmp.tor.TorConfigProviderJvm;
-import io.matthewnelson.kmp.tor.binary.extract.TorBinaryResource;
-import io.matthewnelson.kmp.tor.common.address.Port;
-import io.matthewnelson.kmp.tor.common.address.ProxyAddress;
-import io.matthewnelson.kmp.tor.controller.common.config.TorConfig;
-import io.matthewnelson.kmp.tor.controller.common.file.Path;
-import io.matthewnelson.kmp.tor.ext.callback.manager.CallbackTorManager;
-import io.matthewnelson.kmp.tor.manager.TorManager;
-import io.matthewnelson.kmp.tor.manager.common.event.TorManagerEvent;
-import io.matthewnelson.kmp.tor.manager.util.PortUtil;
-import org.jetbrains.annotations.NotNull;
+import io.matthewnelson.kmp.tor.resource.exec.tor.ResourceLoaderTorExec;
+import io.matthewnelson.kmp.tor.runtime.Action;
+import io.matthewnelson.kmp.tor.runtime.RuntimeEvent;
+import io.matthewnelson.kmp.tor.runtime.TorListeners;
+import io.matthewnelson.kmp.tor.runtime.TorRuntime;
+import io.matthewnelson.kmp.tor.runtime.core.OnEvent;
+import io.matthewnelson.kmp.tor.runtime.core.OnFailure;
+import io.matthewnelson.kmp.tor.runtime.core.OnSuccess;
+import io.matthewnelson.kmp.tor.runtime.core.TorEvent;
+import io.matthewnelson.kmp.tor.runtime.core.ctrl.TorCmd;
+import io.matthewnelson.kmp.tor.runtime.core.net.IPSocketAddress;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.Closeable;
+import java.io.File;
 import java.net.InetSocketAddress;
 import java.net.Proxy;
-import java.util.List;
+import java.nio.file.Path;
 
-public class Tor {
+public class Tor implements Closeable {
     private static final Logger log = LoggerFactory.getLogger(Tor.class);
 
     public static final String TOR_DIR = "tor";
+    public static final String WORK_DIR = "work";
+    public static final String CACHE_DIR = "cache";
+    public static final String OLD_INSTALL_DIR = ".kmptor";
     public static final String TOR_ADDRESS_SUFFIX = ".onion";
 
     private static Tor tor;
 
-    private final Path path = Path.invoke(Storage.getSparrowHome().getAbsolutePath()).builder().addSegment(TOR_DIR).build();
-    private final CallbackTorManager instance;
-    private ProxyAddress socksAddress;
+    private final TorRuntime instance;
+    private IPSocketAddress socksAddress;
 
-    public Tor() {
-        OsType osType = OsType.getCurrent();
-        String arch = System.getProperty("os.arch");
-        PlatformInstaller installer;
-        PlatformInstaller.InstallOption installOption = PlatformInstaller.InstallOption.CleanInstallIfMissing;
-
-        if(osType == OsType.MACOS) {
-            if(arch.equals("aarch64")) {
-                installer = PlatformInstaller.macosArm64(installOption);
-            } else {
-                installer = PlatformInstaller.macosX64(installOption);
-            }
-        } else if(osType == OsType.WINDOWS) {
-            installer = PlatformInstaller.mingwX64(installOption);
-        } else if(osType == OsType.UNIX) {
-            if(arch.equals("aarch64")) {
-                TorBinaryResource linuxArm64 = TorBinaryResource.from(TorBinaryResource.OS.Linux, "arm64",
-                        "588496f3164d52b91f17e4db3372d8dfefa6366a8df265eebd4a28d4128992aa",
-                        List.of("libevent-2.1.so.7.gz", "libstdc++.so.6.gz", "libcrypto.so.1.1.gz", "tor.gz", "libssl.so.1.1.gz"));
-                installer = PlatformInstaller.custom(installOption, linuxArm64);
-            } else {
-                installer = PlatformInstaller.linuxX64(installOption);
-            }
-        } else {
-            throw new UnsupportedOperationException("Sparrow's bundled Tor is not supported on " + osType + " " + arch);
+    public Tor(OnEvent<TorListeners> listener) {
+        Path path = Path.of(Storage.getSparrowHome().getAbsolutePath()).resolve(TOR_DIR);
+        File oldInstallDir = path.resolve(WORK_DIR).resolve(OLD_INSTALL_DIR).toFile();
+        if(oldInstallDir.exists()) {
+            IOUtils.deleteDirectory(oldInstallDir);
         }
 
-        TorConfigProviderJvm torConfigProviderJvm = new TorConfigProviderJvm() {
-            @NotNull
-            @Override
-            public Path getWorkDir() {
-                return path.builder().addSegment("work").build();
-            }
+        TorRuntime.Environment env = TorRuntime.Environment.Builder(
+                path.resolve(WORK_DIR).toFile(),
+                path.resolve(CACHE_DIR).toFile(),
+                ResourceLoaderTorExec::getOrCreate
+        );
 
-            @NotNull
-            @Override
-            public Path getCacheDir() {
-                return path.builder().addSegment("cache").build();
-            }
+        env.debug = true;
 
-            @NotNull
-            @Override
-            protected TorConfig provide() {
-                TorConfig.Builder builder = new TorConfig.Builder();
-
-                TorConfig.Setting.DormantCanceledByStartup dormantCanceledByStartup = new TorConfig.Setting.DormantCanceledByStartup();
-                dormantCanceledByStartup.set(TorConfig.Option.AorTorF.getTrue());
-                builder.put(dormantCanceledByStartup);
-
-                TorConfig.Setting.Ports.Control controlPort = new TorConfig.Setting.Ports.Control();
-                controlPort.set(TorConfig.Option.AorDorPort.Auto.INSTANCE);
-                builder.put(controlPort);
-
-                return builder.build();
-            }
-        };
-
-        KmpTorLoaderJvm jvmLoader = new KmpTorLoaderJvm(installer, torConfigProviderJvm);
-        TorManager torManager = TorManager.newInstance(jvmLoader);
-
-        torManager.debug(true);
-        torManager.addListener(new TorManagerEvent.Listener() {
-            @Override
-            public void managerEventWarn(@NotNull String message) {
-                log.warn(message);
-                EventManager.get().post(new TorStatusEvent(message));
-            }
-
-            @Override
-            public void managerEventInfo(@NotNull String message) {
-                log.info(message);
-                EventManager.get().post(new TorStatusEvent(message));
-            }
-
-            @Override
-            public void managerEventDebug(@NotNull String message) {
-                log.debug(message);
-                EventManager.get().post(new TorStatusEvent(message));
-            }
-
-            @Override
-            public void managerEventAddressInfo(@NotNull TorManagerEvent.AddressInfo info) {
-                if(info.isNull) {
-                    socksAddress = null;
-                } else {
-                    socksAddress = info.socksInfoToProxyAddress().iterator().next();
+        instance = TorRuntime.Builder(env, b -> {
+            RuntimeEvent.entries().forEach(event -> {
+                switch(event) {
+                    case RuntimeEvent.LOG.ERROR _ -> b.observerStatic(event, OnEvent.Executor.Immediate.INSTANCE, data -> {
+                        log.error(data.toString());
+                        EventManager.get().post(new TorStatusEvent(data.toString()));
+                    });
+                    case RuntimeEvent.LOG.WARN _ -> b.observerStatic(event, OnEvent.Executor.Immediate.INSTANCE, data -> {
+                        log.warn(data.toString());
+                        EventManager.get().post(new TorStatusEvent(data.toString()));
+                    });
+                    case RuntimeEvent.LOG.INFO _ -> b.observerStatic(event, OnEvent.Executor.Immediate.INSTANCE, data -> {
+                        log.info(data.toString());
+                        EventManager.get().post(new TorStatusEvent(data.toString()));
+                    });
+                    case RuntimeEvent.LOG.DEBUG _ -> b.observerStatic(event, OnEvent.Executor.Immediate.INSTANCE, data -> {
+                        log.debug(data.toString());
+                        EventManager.get().post(new TorStatusEvent(data.toString()));
+                    });
+                    case null, default -> b.observerStatic(event, OnEvent.Executor.Immediate.INSTANCE, data -> {
+                        log.trace(data.toString());
+                    });
                 }
-            }
-        });
+            });
 
-        this.instance = new CallbackTorManager(torManager, uncaughtException -> {
-            log.error("Uncaught exception from CallbackTorManager", uncaughtException);
+            b.observerStatic(RuntimeEvent.LISTENERS.INSTANCE, new TorSocksClient());
+            b.observerStatic(RuntimeEvent.LISTENERS.INSTANCE, listener);
+
+            b.required(TorEvent.ERR.INSTANCE);
+            b.required(TorEvent.WARN.INSTANCE);
         });
     }
 
@@ -140,7 +95,7 @@ public class Tor {
         Tor.tor = tor;
     }
 
-    public CallbackTorManager getTorManager() {
+    public TorRuntime getTorRuntime() {
         return instance;
     }
 
@@ -149,14 +104,34 @@ public class Tor {
             throw new IllegalStateException("Tor socks proxy is not yet instantiated");
         }
 
-        return new Proxy(Proxy.Type.SOCKS, new InetSocketAddress(socksAddress.address.getValue(), socksAddress.port.getValue()));
+        return new Proxy(Proxy.Type.SOCKS, new InetSocketAddress(socksAddress.address.value, socksAddress.port.value));
     }
 
     public HostAndPort getProxyHostAndPort() {
-        return HostAndPort.fromParts(socksAddress.address.getValue(), socksAddress.port.getValue());
+        return HostAndPort.fromParts(socksAddress.address.value, socksAddress.port.value);
     }
 
-    public static boolean isRunningExternally() {
-        return !PortUtil.isTcpPortAvailable(Port.invoke(9050));
+    public void changeIdentity() {
+        if(instance != null) {
+            instance.enqueue(TorCmd.Signal.NewNym.INSTANCE, throwable -> {
+                log.warn("Failed to signal newnym", throwable);
+            }, _ -> {
+                log.info("Signalled newnym for new Tor circuit");
+            });
+        }
+    }
+
+    @Override
+    public void close() {
+        if(instance != null) {
+            instance.enqueue(Action.StopDaemon, OnFailure.noOp(), OnSuccess.noOp());
+        }
+    }
+
+    private class TorSocksClient implements OnEvent<TorListeners> {
+        @Override
+        public void invoke(TorListeners torListeners) {
+            socksAddress = torListeners.socks.isEmpty() ? null : torListeners.socks.iterator().next();
+        }
     }
 }

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

@@ -1,10 +1,12 @@
 package com.sparrowwallet.sparrow.net;
 
-import io.matthewnelson.kmp.tor.ext.callback.manager.CallbackTorManager;
-import io.matthewnelson.kmp.tor.manager.common.event.TorManagerEvent;
+import io.matthewnelson.kmp.tor.runtime.Action;
+import io.matthewnelson.kmp.tor.runtime.TorListeners;
+import io.matthewnelson.kmp.tor.runtime.TorRuntime;
+import io.matthewnelson.kmp.tor.runtime.core.OnEvent;
+import io.matthewnelson.kmp.tor.runtime.core.ctrl.Reply;
 import javafx.concurrent.ScheduledService;
 import javafx.concurrent.Task;
-import org.jetbrains.annotations.NotNull;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -32,37 +34,25 @@ public class TorService extends ScheduledService<Tor> {
             protected Tor call() throws Exception {
                 Tor tor = Tor.getDefault();
                 if(tor == null) {
-                    tor = new Tor();
-                    CallbackTorManager callbackTorManager = tor.getTorManager();
-                    callbackTorManager.addListener(new TorManagerEvent.Listener() {
-                        @Override
-                        public void managerEventAddressInfo(@NotNull TorManagerEvent.AddressInfo info) {
-                            if(!info.isNull) {
-                                try {
-                                    startupLock.lock();
-                                    startupCondition.signalAll();
-                                } finally {
-                                    startupLock.unlock();
-                                }
-                            }
-                        }
-                    });
-                    callbackTorManager.start(throwable -> {
-                        if(throwable instanceof Exception exception) {
+                    tor = new Tor(new StartupListener());
+                    TorRuntime torRuntime = tor.getTorRuntime();
+
+                    torRuntime.enqueue(Action.StartDaemon, throwable -> {
+                        if(throwable instanceof Reply.Error replyError && !replyError.replies.isEmpty()) {
+                            startupException = new TorStartupException(replyError.replies.getFirst().message);
+                        } else if(throwable instanceof Exception exception) {
                             startupException = exception;
                         } else {
                             startupException = new Exception(throwable);
                         }
-                        log.error("Error", throwable);
+                        log.error("Error starting Tor daemon", throwable);
                         try {
                             startupLock.lock();
                             startupCondition.signalAll();
                         } finally {
                             startupLock.unlock();
                         }
-                    }, success -> {
-                        log.info("Tor daemon started successfully");
-                    });
+                    }, _ -> log.info("Tor daemon started successfully"));
 
                     try {
                         startupLock.lock();
@@ -82,4 +72,18 @@ public class TorService extends ScheduledService<Tor> {
             }
         };
     }
+
+    private class StartupListener implements OnEvent<TorListeners> {
+        @Override
+        public void invoke(TorListeners torListeners) {
+            if(!torListeners.socks.isEmpty()) {
+                try {
+                    startupLock.lock();
+                    startupCondition.signalAll();
+                } finally {
+                    startupLock.unlock();
+                }
+            }
+        }
+    }
 }

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

@@ -3,7 +3,6 @@ package com.sparrowwallet.sparrow.net;
 import com.google.common.net.HostAndPort;
 import com.sparrowwallet.drongo.Utils;
 import com.sparrowwallet.sparrow.AppServices;
-import io.matthewnelson.kmp.tor.controller.common.control.usecase.TorControlSignal;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -13,7 +12,6 @@ import java.net.SocketTimeoutException;
 import java.nio.file.AccessDeniedException;
 import java.nio.file.FileSystemException;
 import java.nio.file.Files;
-import java.nio.file.NoSuchFileException;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -24,11 +22,7 @@ public class TorUtils {
 
     public static void changeIdentity(HostAndPort proxy) {
         if(AppServices.isTorRunning()) {
-            Tor.getDefault().getTorManager().signal(TorControlSignal.Signal.NewNym, throwable -> {
-                log.warn("Failed to signal newnym");
-            }, successEvent -> {
-                log.info("Signalled newnym for new Tor circuit");
-            });
+            Tor.getDefault().changeIdentity();
         } else {
             HostAndPort control = HostAndPort.fromParts(proxy.getHost(), proxy.getPort() + 1);
             try(Socket socket = new Socket(control.getHost(), control.getPort())) {

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

@@ -10,7 +10,7 @@ import com.sparrowwallet.sparrow.AppServices;
 import java.util.Date;
 
 @JsonIgnoreProperties(ignoreUnknown = true)
-class VerboseTransaction {
+public class VerboseTransaction {
     public String blockhash;
     public long blocktime;
     public int confirmations;

src/main/java/com/sparrowwallet/sparrow/net/cormorant/bitcoind/BitcoinRPCException.java

@@ -0,0 +1,7 @@
+package com.sparrowwallet.sparrow.net.cormorant.bitcoind;
+
+public class BitcoinRPCException extends RuntimeException {
+    public BitcoinRPCException(String message) {
+        super(message);
+    }
+}

src/main/java/com/sparrowwallet/sparrow/net/cormorant/bitcoind/BitcoindClient.java

@@ -49,6 +49,12 @@ public class BitcoindClient {
 
     private static final long PRUNED_RESCAN_TIMEGAP_MILLIS = 7200*1000;
 
+    //Error codes from https://github.com/bitcoin/bitcoin/blob/master/src/rpc/protocol.h
+    public static final int RPC_METHOD_NOT_FOUND = -32601;
+    public static final int RPC_WALLET_NOT_FOUND = -18;
+
+    public static final String WALLET_ALREADY_LOADING_MESSAGE = "Wallet already loading.";
+
     private final JsonRpcClient jsonRpcClient;
     private final Timer timer = new Timer(true);
     private final Store store = new Store();
@@ -140,21 +146,27 @@ public class BitcoindClient {
             tip = blockHeader.getBlockHeader();
         }
 
-        ListWalletDirResult listWalletDirResult = getBitcoindService().listWalletDir();
-        if(listWalletDirResult == null) {
-            throw new RuntimeException("Wallet support must be enabled in Bitcoin Core");
+        List<String> loadedWallets;
+        try {
+            loadedWallets = getBitcoindService().listWallets();
+            legacyWalletExists = loadedWallets.contains(Bwt.DEFAULT_CORE_WALLET);
+        } catch(JsonRpcException e) {
+            if(e.getErrorMessage().getCode() == RPC_METHOD_NOT_FOUND) {
+                throw new BitcoinRPCException("Wallet support must be enabled in Bitcoin Core");
+            } else {
+                throw e;
+            }
         }
-        boolean exists = listWalletDirResult.wallets().stream().anyMatch(walletDirResult -> walletDirResult.name().equals(CORE_WALLET_NAME));
-        legacyWalletExists = listWalletDirResult.wallets().stream().anyMatch(walletDirResult -> walletDirResult.name().equals(Bwt.DEFAULT_CORE_WALLET));
 
-        List<String> loadedWallets = getBitcoindService().listWallets();
-        boolean loaded = loadedWallets.contains(CORE_WALLET_NAME);
-
-        if(!exists && !loaded) {
-            getBitcoindService().createWallet(CORE_WALLET_NAME, true, true, "", true, true, true, false);
-        } else {
-            if(!loaded) {
+        if(!loadedWallets.contains(CORE_WALLET_NAME)) {
+            try {
                 getBitcoindService().loadWallet(CORE_WALLET_NAME, true);
+            } catch(JsonRpcException e) {
+                if(e.getErrorMessage().getCode() == RPC_WALLET_NOT_FOUND) {
+                    getBitcoindService().createWallet(CORE_WALLET_NAME, true, true, "", true, true, true, false);
+                } else if(!WALLET_ALREADY_LOADING_MESSAGE.equals(e.getErrorMessage().getMessage())) {
+                    throw e;
+                }
             }
         }
 
@@ -186,12 +198,24 @@ public class BitcoindClient {
                     .sorted(Comparator.comparingLong(o -> o.getBirthDate().getTime())).collect(Collectors.toList());
             if(!prePruneWallets.isEmpty()) {
                 pruneWarnedDescriptors.add(e.getDescriptor());
-                Platform.runLater(() -> EventManager.get().post(new CormorantPruneStatusEvent("Error: Wallet birthday earlier than Bitcoin Core prune date", prePruneWallets.get(0), e.getRescanSince(), e.getPrunedDate(), legacyWalletExists)));
+                if(!legacyWalletExists) {
+                    legacyWalletExists = checkLegacyWalletExists();
+                }
+                Platform.runLater(() -> EventManager.get().post(new CormorantPruneStatusEvent("Error: Wallet birthday earlier than Bitcoin Core prune date", prePruneWallets.getFirst(), e.getRescanSince(), e.getPrunedDate(), legacyWalletExists)));
             }
             throw new ImportFailedException("Wallet birthday earlier than prune date");
         }
     }
 
+    private boolean checkLegacyWalletExists() {
+        try {
+            getBitcoindService().loadWallet(Bwt.DEFAULT_CORE_WALLET);
+            return true;
+        } catch(Exception e) {
+            return false;
+        }
+    }
+
     public void importWallet(Wallet wallet) throws ImportFailedException {
         //To avoid unnecessary rescans, get all related wallets
         importWallets(wallet.isMasterWallet() ? wallet.getAllWallets() : wallet.getMasterWallet().getAllWallets());

src/main/java/com/sparrowwallet/sparrow/net/cormorant/bitcoind/BitcoindClientService.java

@@ -7,6 +7,7 @@ import com.github.arteam.simplejsonrpc.core.annotation.JsonRpcOptional;
 import com.github.arteam.simplejsonrpc.core.annotation.JsonRpcParam;
 import com.github.arteam.simplejsonrpc.core.annotation.JsonRpcService;
 import com.sparrowwallet.drongo.protocol.Sha256Hash;
+import com.sparrowwallet.sparrow.net.BlockStats;
 
 import java.util.List;
 import java.util.Map;
@@ -48,6 +49,9 @@ public interface BitcoindClientService {
     @JsonRpcMethod("getblockheader")
     VerboseBlockHeader getBlockHeader(@JsonRpcParam("blockhash") String blockhash);
 
+    @JsonRpcMethod("getblockstats")
+    BlockStats getBlockStats(@JsonRpcParam("blockhash") int hash_or_height);
+
     @JsonRpcMethod("getrawtransaction")
     Object getRawTransaction(@JsonRpcParam("txid") String txid, @JsonRpcParam("verbose") boolean verbose);
 
@@ -73,6 +77,9 @@ public interface BitcoindClientService {
                                         @JsonRpcParam("passphrase") String passphrase, @JsonRpcParam("avoid_reuse") boolean avoidReuse, @JsonRpcParam("descriptors") boolean descriptors,
                                         @JsonRpcParam("load_on_startup") boolean loadOnStartup, @JsonRpcParam("external_signer") boolean externalSigner);
 
+    @JsonRpcMethod("loadwallet")
+    CreateLoadWalletResult loadWallet(@JsonRpcParam("filename") String name);
+
     @JsonRpcMethod("loadwallet")
     CreateLoadWalletResult loadWallet(@JsonRpcParam("filename") String name, @JsonRpcParam("load_on_startup") boolean loadOnStartup);
 

src/main/java/com/sparrowwallet/sparrow/net/cormorant/electrum/ElectrumServerService.java

@@ -10,6 +10,7 @@ import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.SparrowWallet;
 import com.sparrowwallet.sparrow.event.MempoolEntriesInitializedEvent;
 import com.sparrowwallet.drongo.Version;
+import com.sparrowwallet.sparrow.net.BlockStats;
 import com.sparrowwallet.sparrow.net.cormorant.Cormorant;
 import com.sparrowwallet.sparrow.net.cormorant.bitcoind.*;
 import com.sparrowwallet.sparrow.net.cormorant.index.TxEntry;
@@ -157,6 +158,17 @@ public class ElectrumServerService {
         }
     }
 
+    @JsonRpcMethod("blockchain.block.stats")
+    public BlockStats getBlockStats(@JsonRpcParam("height") int height) throws BitcoindIOException, BlockNotFoundException {
+        try {
+            return bitcoindClient.getBitcoindService().getBlockStats(height);
+        } catch(JsonRpcException e) {
+            throw new BlockNotFoundException(e.getErrorMessage());
+        } catch(IllegalStateException e) {
+            throw new BitcoindIOException(e);
+        }
+    }
+
     @JsonRpcMethod("blockchain.transaction.get")
     @SuppressWarnings("unchecked")
     public Object getTransaction(@JsonRpcParam("tx_hash") String tx_hash, @JsonRpcParam("verbose") @JsonRpcOptional boolean verbose) throws BitcoindIOException, TransactionNotFoundException {

src/main/java/com/sparrowwallet/sparrow/paynym/PayNymController.java

@@ -550,7 +550,7 @@ public class PayNymController {
             decryptedWallet.finalise(psbt);
             Transaction transaction = psbt.extractTransaction();
 
-            ElectrumServer.BroadcastTransactionService broadcastTransactionService = new ElectrumServer.BroadcastTransactionService(transaction);
+            ElectrumServer.BroadcastTransactionService broadcastTransactionService = new ElectrumServer.BroadcastTransactionService(transaction, psbt.getFee());
             broadcastTransactionService.setOnSucceeded(successEvent -> {
                 ElectrumServer.TransactionMempoolService transactionMempoolService = new ElectrumServer.TransactionMempoolService(walletTransaction.getWallet(), transaction.getTxId(), new HashSet<>(walletTransaction.getSelectedUtxos().values()));
                 transactionMempoolService.setDelay(Duration.seconds(2));

src/main/java/com/sparrowwallet/sparrow/settings/GeneralSettingsController.java

@@ -87,6 +87,8 @@ public class GeneralSettingsController extends SettingsDetailController {
             config.setFeeRatesSource(feeRatesSource.getValue());
         }
 
+        feeRatesSource.setCellFactory(_ -> new FeeRatesSourceListCell());
+        feeRatesSource.setButtonCell(feeRatesSource.getCellFactory().call(null));
         feeRatesSource.valueProperty().addListener((observable, oldValue, newValue) -> {
             config.setFeeRatesSource(newValue);
             EventManager.get().post(new FeeRatesSourceChangedEvent(newValue));
@@ -96,25 +98,8 @@ public class GeneralSettingsController extends SettingsDetailController {
         currenciesLoadWarning.setVisible(false);
 
         blockExplorers.setItems(getBlockExplorerList());
-        blockExplorers.setConverter(new StringConverter<>() {
-            @Override
-            public String toString(Server server) {
-                if(server == null || server == BlockExplorer.NONE.getServer()) {
-                    return "None";
-                }
-
-                if(server == CUSTOM_BLOCK_EXPLORER) {
-                    return "Custom...";
-                }
-
-                return server.getHost();
-            }
-
-            @Override
-            public Server fromString(String string) {
-                return null;
-            }
-        });
+        blockExplorers.setCellFactory(_ -> new BlockExplorerListCell());
+        blockExplorers.setButtonCell(blockExplorers.getCellFactory().call(null));
         blockExplorers.valueProperty().addListener((observable, oldValue, newValue) -> {
             if(newValue != null) {
                 if(newValue == CUSTOM_BLOCK_EXPLORER) {
@@ -258,14 +243,50 @@ public class GeneralSettingsController extends SettingsDetailController {
         fiatCurrency.valueProperty().addListener(fiatCurrencyListener);
     }
 
+    private static class FeeRatesSourceListCell extends ListCell<FeeRatesSource> {
+        @Override
+        protected void updateItem(FeeRatesSource item, boolean empty) {
+            super.updateItem(item, empty);
+            if(empty || item == null) {
+                setText(null);
+                setGraphic(null);
+            } else {
+                setText(item.toString());
+                setGraphic(item.getSVGImage());
+                setGraphicTextGap(8.0d);
+            }
+        }
+    }
+
+    private static class BlockExplorerListCell extends ListCell<Server> {
+        @Override
+        protected void updateItem(Server server, boolean empty) {
+            super.updateItem(server, empty);
+            if(empty || server == null || server == BlockExplorer.NONE.getServer()) {
+                setText("None");
+                setGraphic(null);
+            } else if(server == CUSTOM_BLOCK_EXPLORER) {
+                setText("Custom...");
+                setGraphic(null);
+            } else {
+                setText(server.getHost());
+                setGraphic(BlockExplorer.getSVGImage(server));
+                setGraphicTextGap(8.0d);
+            }
+        }
+    }
+
     private static class ExchangeSourceButtonCell extends ListCell<ExchangeSource> {
         @Override
         protected void updateItem(ExchangeSource exchangeSource, boolean empty) {
             super.updateItem(exchangeSource, empty);
             if(exchangeSource == null || empty) {
                 setText("");
+                setGraphic(null);
             } else {
                 setText(exchangeSource.getName());
+                setGraphic(exchangeSource.getSVGImage());
+                setGraphicTextGap(8.0d);
             }
         }
     }
@@ -276,12 +297,15 @@ public class GeneralSettingsController extends SettingsDetailController {
             super.updateItem(exchangeSource, empty);
             if(exchangeSource == null || empty) {
                 setText("");
+                setGraphic(null);
             } else {
                 String text = exchangeSource.getName();
                 if(exchangeSource.getDescription() != null && !exchangeSource.getDescription().isEmpty()) {
                     text += " (" + exchangeSource.getDescription() + ")";
                 }
                 setText(text);
+                setGraphic(exchangeSource.getSVGImage());
+                setGraphicTextGap(8.0d);
             }
         }
     }