1 files changed, 43 insertions, 9 deletions

diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index 53fbac0106..27d3a1b9e2 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -13,7 +13,7 @@
 #include <interfaces/handler.h>
 #include <interfaces/init.h>
 #include <interfaces/node.h>
-#include <node/ui_interface.h>
+#include <node/interface_ui.h>
 #include <noui.h>
 #include <qt/bitcoingui.h>
 #include <qt/clientmodel.h>
@@ -96,7 +96,11 @@ static void RegisterMetaTypes()
     qRegisterMetaType<QMessageBox::Icon>("QMessageBox::Icon");
     qRegisterMetaType<interfaces::BlockAndHeaderTipInfo>("interfaces::BlockAndHeaderTipInfo");
 
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
     qRegisterMetaTypeStreamOperators<BitcoinUnit>("BitcoinUnit");
+#else
+    qRegisterMetaType<BitcoinUnit>("BitcoinUnit");
+#endif
 }
 
 static QString GetLangTerritory()
@@ -135,21 +139,30 @@ static void initTranslations(QTranslator &qtTranslatorBase, QTranslator &qtTrans
     // - First load the translator for the base language, without territory
     // - Then load the more specific locale translator
 
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+    const QString translation_path{QLibraryInfo::location(QLibraryInfo::TranslationsPath)};
+#else
+    const QString translation_path{QLibraryInfo::path(QLibraryInfo::TranslationsPath)};
+#endif
     // Load e.g. qt_de.qm
-    if (qtTranslatorBase.load("qt_" + lang, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
+    if (qtTranslatorBase.load("qt_" + lang, translation_path)) {
         QApplication::installTranslator(&qtTranslatorBase);
+    }
 
     // Load e.g. qt_de_DE.qm
-    if (qtTranslator.load("qt_" + lang_territory, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
+    if (qtTranslator.load("qt_" + lang_territory, translation_path)) {
         QApplication::installTranslator(&qtTranslator);
+    }
 
     // Load e.g. bitcoin_de.qm (shortcut "de" needs to be defined in bitcoin.qrc)
-    if (translatorBase.load(lang, ":/translations/"))
+    if (translatorBase.load(lang, ":/translations/")) {
         QApplication::installTranslator(&translatorBase);
+    }
 
     // Load e.g. bitcoin_de_DE.qm (shortcut "de_DE" needs to be defined in bitcoin.qrc)
-    if (translator.load(lang_territory, ":/translations/"))
+    if (translator.load(lang_territory, ":/translations/")) {
         QApplication::installTranslator(&translator);
+    }
 }
 
 static bool InitSettings()
@@ -259,9 +272,26 @@ void BitcoinApplication::createPaymentServer()
 }
 #endif
 
-void BitcoinApplication::createOptionsModel(bool resetSettings)
+bool BitcoinApplication::createOptionsModel(bool resetSettings)
 {
-    optionsModel = new OptionsModel(node(), this, resetSettings);
+    optionsModel = new OptionsModel(node(), this);
+    if (resetSettings) {
+        optionsModel->Reset();
+    }
+    bilingual_str error;
+    if (!optionsModel->Init(error)) {
+        fs::path settings_path;
+        if (gArgs.GetSettingsPath(&settings_path)) {
+            error += Untranslated("\n");
+            std::string quoted_path = strprintf("%s", fs::quoted(fs::PathToString(settings_path)));
+            error.original += strprintf("Settings file %s might be corrupt or invalid.", quoted_path);
+            error.translated += tr("Settings file %1 might be corrupt or invalid.").arg(QString::fromStdString(quoted_path)).toStdString();
+        }
+        InitError(error);
+        QMessageBox::critical(nullptr, PACKAGE_NAME, QString::fromStdString(error.translated));
+        return false;
+    }
+    return true;
 }
 
 void BitcoinApplication::createWindow(const NetworkStyle *networkStyle)
@@ -327,7 +357,7 @@ void BitcoinApplication::parameterSetup()
 
 void BitcoinApplication::InitPruneSetting(int64_t prune_MiB)
 {
-    optionsModel->SetPruneTargetGB(PruneMiBtoGB(prune_MiB), true);
+    optionsModel->SetPruneTargetGB(PruneMiBtoGB(prune_MiB));
 }
 
 void BitcoinApplication::requestInitialize()
@@ -500,9 +530,11 @@ int GuiMain(int argc, char* argv[])
     Q_INIT_RESOURCE(bitcoin);
     Q_INIT_RESOURCE(bitcoin_locale);
 
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
     // Generate high-dpi pixmaps
     QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
 
 #if defined(QT_QPA_PLATFORM_ANDROID)
     QApplication::setAttribute(Qt::AA_DontUseNativeMenuBar);
@@ -641,7 +673,9 @@ int GuiMain(int argc, char* argv[])
     app.createNode(*init);
 
     // Load GUI settings from QSettings
-    app.createOptionsModel(gArgs.GetBoolArg("-resetguisettings", false));
+    if (!app.createOptionsModel(gArgs.GetBoolArg("-resetguisettings", false))) {
+        return EXIT_FAILURE;
+    }
 
     if (did_show_intro) {
         // Store intro dialog settings other than datadir (network specific)