wowlet: embed wownerod (WOWNEROD_DIR, mirrors Feather's Tor embedding) — single self-contained binary; DaemonManager unpacks it

CMakeLists.txt

@@ -21,6 +21,7 @@ cmake_policy(SET CMP0074 NEW)
 option(STATIC "Link libraries statically, requires static Qt" OFF)
 option(SELF_CONTAINED "Disable when building Feather for packages" OFF)
 option(TOR_DIR "Directory containing Tor binaries to embed inside Feather" OFF)
+option(WOWNEROD_DIR "Directory containing the wownerod binary to embed inside wowlet" OFF)
 option(CHECK_UPDATES "Enable checking for application updates" OFF)
 option(PLATFORM_INSTALLER "Built-in updater fetches installer (windows-only)" OFF)
 option(USE_DEVICE_TREZOR "Trezor support compilation" ON)
@@ -137,6 +138,7 @@ endif()
 
 include(GenerateDocs)
 include(TorQrcGenerator)
+include(WownerodQrcGenerator)
 
 # To build Feather with embedded (and static) Tor, pass CMake -DTOR_DIR=/path/to/tor/
 if(TOR_DIR)
@@ -163,6 +165,26 @@ else()
     message(STATUS "Skipping Tor inclusion because -DTOR_DIR=Off")
 endif()
 
+# wowlet: copy the wownerod binary into src/assets/wownerod so it gets embedded — single self-contained
+# file with the node inside. WOWNEROD_DIR points at a dir containing a `wownerod` (or wownerod.exe).
+if(WOWNEROD_DIR)
+    execute_process(COMMAND bash -c "mkdir -p ${CMAKE_CURRENT_SOURCE_DIR}/src/assets/wownerod")
+    if (REPRODUCIBLE)
+        set(WOWNEROD_COPY_CMD "cp -a ${WOWNEROD_DIR}/* ${CMAKE_CURRENT_SOURCE_DIR}/src/assets/wownerod")
+    else()
+        set(WOWNEROD_COPY_CMD "cp -au ${WOWNEROD_DIR}/* ${CMAKE_CURRENT_SOURCE_DIR}/src/assets/wownerod")
+    endif()
+
+    execute_process(COMMAND bash -c "${WOWNEROD_COPY_CMD}" RESULT_VARIABLE ret)
+    if(ret EQUAL "1")
+        message(FATAL_ERROR "wownerod copy failure: ${WOWNEROD_COPY_CMD}")
+    endif()
+
+    message(STATUS "Embedding wownerod binary from ${WOWNEROD_DIR}")
+else()
+    message(STATUS "Skipping wownerod inclusion because -DWOWNEROD_DIR=Off")
+endif()
+
 message(STATUS "Using Boost include dir at ${Boost_INCLUDE_DIRS}")
 message(STATUS "Using Boost libraries at ${Boost_LIBRARIES}")
 

cmake/WownerodQrcGenerator.cmake

@@ -0,0 +1,24 @@
+# Generates src/assets_wownerod.qrc embedding the wownerod binary from WOWNEROD_DIR, so wowlet ships
+# as a single self-contained file with its node inside. Mirror of TorQrcGenerator.cmake. When
+# WOWNEROD_DIR is OFF the generated qrc is empty (no embedded daemon) and HAS_WOWNEROD_BIN is unset.
+set(QRC_LIST)
+
+if (WOWNEROD_DIR)
+    FILE(GLOB WOWNEROD_FILES LIST_DIRECTORIES false ${WOWNEROD_DIR}/*)
+
+    foreach(FILE ${WOWNEROD_FILES})
+        cmake_path(GET FILE FILENAME FILE_REL)
+        list(APPEND QRC_LIST "        <file>assets/wownerod/${FILE_REL}</file>")
+
+        if (FILE_REL STREQUAL "wownerod" OR FILE_REL STREQUAL "wownerod.exe")
+            set(WOWNEROD_BIN_FOUND 1)
+        endif()
+    endforeach()
+
+    if (NOT WOWNEROD_BIN_FOUND)
+        message(FATAL_ERROR "WOWNEROD_DIR was specified but the wownerod binary could not be found")
+    endif()
+endif()
+
+list(JOIN QRC_LIST "\n" QRC_DATA)
+configure_file("cmake/assets_wownerod.qrc" "${CMAKE_CURRENT_SOURCE_DIR}/src/assets_wownerod.qrc")

cmake/assets_wownerod.qrc

@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+    <qresource prefix="/">
+@QRC_DATA@
+    </qresource>
+</RCC>

src/CMakeLists.txt

@@ -31,7 +31,7 @@ if (CHECK_UPDATES)
     add_subdirectory(openpgp)
 endif()
 
-qt_add_resources(RESOURCES assets.qrc assets_tor.qrc assets_docs.qrc)
+qt_add_resources(RESOURCES assets.qrc assets_tor.qrc assets_wownerod.qrc assets_docs.qrc)
 
 # Compile source files (.h/.cpp)
 file(GLOB SOURCE_FILES
@@ -213,6 +213,10 @@ if(TOR_DIR)
     target_compile_definitions(feather PRIVATE HAS_TOR_BIN=1)
 endif()
 
+if(WOWNEROD_DIR)
+    target_compile_definitions(feather PRIVATE HAS_WOWNEROD_BIN=1)
+endif()
+
 if(WITH_SCANNER)
     target_compile_definitions(feather PRIVATE WITH_SCANNER=1)
 endif()

src/main.cpp

@@ -71,6 +71,10 @@ int main(int argc, char *argv[])
     Q_INIT_RESOURCE(assets_tor);
 #endif
 
+#if defined(HAS_WOWNEROD_BIN)
+    Q_INIT_RESOURCE(assets_wownerod);
+#endif
+
 #ifdef _WIN32
 if (AttachConsole(ATTACH_PARENT_PROCESS)) {
     freopen("CONOUT$", "w", stdout);

src/utils/DaemonManager.cpp

@@ -16,16 +16,8 @@ DaemonManager::DaemonManager(QObject *parent)
     : QObject(parent)
     , m_process(new QProcess(this))
 {
+    // The embedded wownerod is unpacked here (writable, outside any read-only app bundle).
     this->daemonDir = Config::defaultConfigDir().filePath("node");
-#if defined(Q_OS_MACOS)
-    // On macOS the binary ships next to the app inside the bundle.
-    {
-        QDir appBinaryDir(QCoreApplication::applicationDirPath());
-        appBinaryDir.cd("..");
-        this->daemonDir = appBinaryDir.filePath("bin");
-    }
-#endif
-
     this->blockchainDir = Config::defaultConfigDir().filePath("node/blockchain");
 
     m_process->setProcessChannelMode(QProcess::MergedChannels);
@@ -157,12 +149,23 @@ bool DaemonManager::unpackBins() {
     daemonBin += ".exe";
 #endif
 
-    this->daemonPath = QDir(this->daemonDir).filePath(daemonBin);
+    // 1. Explicit path the user configured (or already-running node they point us at).
+    QString configured = conf()->get(Config::wownerodPath).toString();
+    if (!configured.isEmpty() && QFileInfo(configured).isFile()) {
+        this->daemonPath = configured;
+        return true;
+    }
 
-#if defined(Q_OS_MACOS)
-    // Shipped next to the app bundle; nothing to unpack.
-    return QFileInfo(this->daemonPath).isFile();
-#endif
+    // 2. Shipped next to the wowlet executable — the packaging default (monero-GUI ships monerod
+    //    the same way). Avoids bloating the app binary by embedding a ~15 MB daemon in resources.
+    QString sibling = QDir(QCoreApplication::applicationDirPath()).filePath(daemonBin);
+    if (QFileInfo(sibling).isFile()) {
+        this->daemonPath = sibling;
+        return true;
+    }
+
+    // 3. Unpack the embedded copy into the (writable) data dir — the single-file default, all platforms.
+    this->daemonPath = QDir(this->daemonDir).filePath(daemonBin);
 
     if (m_unpacked)
         return true;

src/utils/config.cpp

@@ -67,6 +67,7 @@ static const QHash<Config::ConfigKey, ConfigDirective> configStrings = {
         {Config::skin,{QS("skin"), "Wownero"}},
         {Config::runLocalNode,{QS("runLocalNode"), true}},        // wowlet: run own node by default
         {Config::pruneBlockchain,{QS("pruneBlockchain"), false}}, // full archival by default
+        {Config::wownerodPath,{QS("wownerodPath"), ""}},          // optional override; bundled by default
         {Config::amountPrecision, {QS("amountPrecision"), 12}},
         {Config::dateFormat, {QS("dateFormat"), "yyyy-MM-dd"}},
         {Config::timeFormat, {QS("timeFormat"), "HH:mm"}},

src/utils/config.h

@@ -75,6 +75,7 @@ public:
         // Embedded node (wowlet)
         runLocalNode,
         pruneBlockchain,
+        wownerodPath,
 
         // Network -> Proxy
         proxy,