qml: set synced to whether node is in IBD or not

This changes when we consider to be synced within the block clock's
perspective from a check on if verificationProgress is large enough to
a query on the node to see if it is in ibd or not

src/qml/components/BlockClock.qml

@@ -21,7 +21,7 @@ Item {
     property alias subText: subText.text
     property int headerSize: 32
     property bool connected: nodeModel.numOutboundPeers > 0
-    property bool synced: nodeModel.verificationProgress > 0.999
+    property bool synced: !nodeModel.inIBD
     property bool paused: false
 
     BlockClockDial {
@@ -30,7 +30,7 @@ Item {
         timeRatioList: chainModel.timeRatioList
         verificationProgress: nodeModel.verificationProgress
         paused: root.paused
-        synced: nodeModel.verificationProgress > 0.999
+        synced: root.synced
         backgroundColor: Theme.color.neutral2
         timeTickColor: Theme.color.neutral5
         confirmationColors: Theme.color.confirmationColors

src/qml/nodemodel.cpp

@@ -32,6 +32,15 @@ void NodeModel::setBlockTipHeight(int new_height)
     }
 }
 
+
+void NodeModel::setInIBD(bool new_ibd)
+{
+    if (new_ibd != m_in_ibd) {
+        m_in_ibd = new_ibd;
+        Q_EMIT inIBDChanged();
+    }
+}
+
 void NodeModel::setNumOutboundPeers(int new_num)
 {
     if (new_num != m_num_outbound_peers) {
@@ -183,6 +192,7 @@ void NodeModel::ConnectToBlockTipSignal()
         [this](SynchronizationState state, interfaces::BlockTip tip, double verification_progress) {
             QMetaObject::invokeMethod(this, [=] {
                 setBlockTipHeight(tip.block_height);
+                setInIBD(m_node.isInitialBlockDownload());
                 setVerificationProgress(verification_progress);
                 setInHeaderSync(false);
                 setInPreHeaderSync(false);
@@ -197,6 +207,7 @@ void NodeModel::ConnectToHeaderTipSignal()
 
     m_handler_notify_header_tip = m_node.handleNotifyHeaderTip(
         [this](SynchronizationState sync_state, interfaces::BlockTip tip, bool presync) {
+            setInIBD(m_node.isInitialBlockDownload());
             QMetaObject::invokeMethod(this, [=] {
                 if (presync) {
                     setInHeaderSync(false);

src/qml/nodemodel.h

@@ -25,6 +25,7 @@ class NodeModel : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(int blockTipHeight READ blockTipHeight NOTIFY blockTipHeightChanged)
+    Q_PROPERTY(bool inIBD READ inIBD NOTIFY inIBDChanged)
     Q_PROPERTY(int numOutboundPeers READ numOutboundPeers NOTIFY numOutboundPeersChanged)
     Q_PROPERTY(int maxNumOutboundPeers READ maxNumOutboundPeers CONSTANT)
     Q_PROPERTY(bool inHeaderSync READ inHeaderSync WRITE setInHeaderSync NOTIFY inHeaderSyncChanged)
@@ -40,6 +41,8 @@ class NodeModel : public QObject
 
     int blockTipHeight() const { return m_block_tip_height; }
     void setBlockTipHeight(int new_height);
+    bool inIBD() const { return m_in_ibd; }
+    void setInIBD(bool new_ibd);
     int numOutboundPeers() const { return m_num_outbound_peers; }
     void setNumOutboundPeers(int new_num);
     int maxNumOutboundPeers() const { return m_max_num_outbound_peers; }
@@ -68,6 +71,7 @@ public Q_SLOTS:
 
 Q_SIGNALS:
     void blockTipHeightChanged();
+    void inIBDChanged();
     void numOutboundPeersChanged();
     void inHeaderSyncChanged();
     void headerSyncProgressChanged();
@@ -88,6 +92,7 @@ public Q_SLOTS:
 private:
     // Properties that are exposed to QML.
     int m_block_tip_height{0};
+    bool m_in_ibd;
     int m_num_outbound_peers{0};
     static constexpr int m_max_num_outbound_peers{MAX_OUTBOUND_FULL_RELAY_CONNECTIONS + MAX_BLOCK_RELAY_ONLY_CONNECTIONS};
     bool m_in_header_sync;