Put BlockClock into an error state if node init fails

src/Makefile.qt.include

@@ -327,6 +327,7 @@ QML_RES_ICONS = \
   qml/res/icons/caret-right.png \
   qml/res/icons/check.png \
   qml/res/icons/cross.png \
+  qml/res/icons/error.png \
   qml/res/icons/export.png \
   qml/res/icons/gear.png \
   qml/res/icons/info.png \

src/qml/bitcoin_qml.qrc

@@ -74,6 +74,7 @@
         <file alias="caret-right">res/icons/caret-right.png</file>
         <file alias="check">res/icons/check.png</file>
         <file alias="cross">res/icons/cross.png</file>
+        <file alias="error">res/icons/error.png</file>
         <file alias="export">res/icons/export.png</file>
         <file alias="gear">res/icons/gear.png</file>
         <file alias="info">res/icons/info.png</file>

src/qml/components/BlockClock.qml

@@ -30,6 +30,7 @@ Item {
     property var syncState: formatRemainingSyncTime(nodeModel.remainingSyncTime)
     property string syncTime: syncState.text
     property bool estimating: syncState.estimating
+    property bool faulted: nodeModel.faulted
 
     activeFocusOnTab: true
 
@@ -47,7 +48,7 @@ Item {
         penWidth: dial.width / 50
         timeRatioList: chainModel.timeRatioList
         verificationProgress: nodeModel.verificationProgress
-        paused: root.paused
+        paused: root.paused || root.faulted
         connected: root.connected
         synced: nodeModel.verificationProgress > 0.999
         backgroundColor: Theme.color.neutral2
@@ -140,7 +141,7 @@ Item {
         maxNumOutboundPeers: nodeModel.maxNumOutboundPeers
         indicatorDimensions: dial.width * (3/200)
         indicatorSpacing: dial.width / 40
-        paused: root.paused
+        paused: root.paused || root.faulted
     }
 
     NetworkIndicator {
@@ -152,10 +153,13 @@ Item {
 
     MouseArea {
         anchors.fill: dial
-        cursorShape: Qt.PointingHandCursor
+        cursorShape: root.faulted ? Qt.ArrowCursor : Qt.PointingHandCursor
+        enabled: !root.faulted
         onClicked: {
-            root.paused = !root.paused
-            nodeModel.pause = root.paused
+            if (!root.faulted) {
+                root.paused = !root.paused
+                nodeModel.pause = root.paused
+            }
         }
         FocusBorder {
             visible: root.activeFocus
@@ -171,6 +175,7 @@ Item {
                 subText: root.syncTime
             }
         },
+
         State {
             name: "BLOCKCLOCK"; when: synced && !paused && connected
             PropertyChanges {
@@ -182,7 +187,7 @@ Item {
         },
 
         State {
-            name: "PAUSE"; when: paused
+            name: "PAUSE"; when: paused && !faulted
             PropertyChanges {
                 target: root
                 header: "Paused"
@@ -200,6 +205,20 @@ Item {
             }
         },
 
+        State {
+            name: "ERROR"; when: faulted
+            PropertyChanges {
+                target: root
+                header: "Error"
+                headerSize: dial.width * (3/25)
+            }
+            PropertyChanges {
+                target: bitcoinIcon
+                anchors.bottomMargin: dial.width / 40
+                icon.source: "image://images/error"
+            }
+        },
+
         State {
             name: "CONNECTING"; when: !paused && !connected
             PropertyChanges {
@@ -220,6 +239,7 @@ Item {
         }
     ]
 
+
     function formatProgressPercentage(progress) {
         if (progress >= 1) {
             return Math.round(progress) + "%"

src/qml/imageprovider.cpp

@@ -82,6 +82,11 @@ QPixmap ImageProvider::requestPixmap(const QString& id, QSize* size, const QSize
         return QIcon(":/icons/cross").pixmap(requested_size);
     }
 
+    if (id == "error") {
+        *size = requested_size;
+        return QIcon(":/icons/error").pixmap(requested_size);
+    }
+
     if (id == "export") {
         *size = requested_size;
         return QIcon(":/icons/export").pixmap(requested_size);

src/qml/models/nodemodel.cpp

@@ -15,6 +15,7 @@
 #include <QDateTime>
 #include <QMetaObject>
 #include <QTimerEvent>
+#include <QString>
 
 NodeModel::NodeModel(interfaces::Node& node)
     : m_node{node}
@@ -93,6 +94,14 @@ void NodeModel::setPause(bool new_pause)
     }
 }
 
+void NodeModel::setErrorState(bool faulted)
+{
+    if (m_faulted != faulted) {
+        m_faulted = faulted;
+        Q_EMIT errorStateChanged(faulted);
+    }
+}
+
 void NodeModel::startNodeInitializionThread()
 {
     Q_EMIT requestedInitialize();
@@ -103,9 +112,11 @@ void NodeModel::requestShutdown()
     Q_EMIT requestedShutdown();
 }
 
-void NodeModel::initializeResult([[maybe_unused]] bool success, interfaces::BlockAndHeaderTipInfo tip_info)
+void NodeModel::initializeResult(bool success, interfaces::BlockAndHeaderTipInfo tip_info)
 {
-    // TODO: Handle the `success` parameter,
+    if (!success) {
+        setErrorState(true);
+    }
     setBlockTipHeight(tip_info.block_height);
     setVerificationProgress(tip_info.verification_progress);
 

src/qml/models/nodemodel.h

@@ -33,6 +33,7 @@ class NodeModel : public QObject
     Q_PROPERTY(int remainingSyncTime READ remainingSyncTime NOTIFY remainingSyncTimeChanged)
     Q_PROPERTY(double verificationProgress READ verificationProgress NOTIFY verificationProgressChanged)
     Q_PROPERTY(bool pause READ pause WRITE setPause NOTIFY pauseChanged)
+    Q_PROPERTY(bool faulted READ errorState WRITE setErrorState NOTIFY errorStateChanged)
 
 public:
     explicit NodeModel(interfaces::Node& node);
@@ -49,6 +50,8 @@ class NodeModel : public QObject
     void setVerificationProgress(double new_progress);
     bool pause() const { return m_pause; }
     void setPause(bool new_pause);
+    bool errorState() const { return m_faulted; }
+    void setErrorState(bool new_error);
 
     Q_INVOKABLE float getTotalBytesReceived() const { return (float)m_node.getTotalBytesRecv(); }
     Q_INVOKABLE float getTotalBytesSent() const { return (float)m_node.getTotalBytesSent(); }
@@ -70,6 +73,7 @@ public Q_SLOTS:
     void requestedShutdown();
     void verificationProgressChanged();
     void pauseChanged(bool new_pause);
+    void errorStateChanged(bool new_error_state);
 
     void setTimeRatioList(int new_time);
     void setTimeRatioListInitial();
@@ -85,6 +89,7 @@ public Q_SLOTS:
     int m_remaining_sync_time{0};
     double m_verification_progress{0.0};
     bool m_pause{false};
+    bool m_faulted{false};
 
     int m_shutdown_polling_timer_id{0};