ui: show header pre-synchronization progress

1 files changed, 10 insertions, 2 deletions

diff --git a/src/qt/modaloverlay.cpp b/src/qt/modaloverlay.cpp
index 97ee75a31f..dfa33764f6 100644
--- a/src/qt/modaloverlay.cpp
+++ b/src/qt/modaloverlay.cpp
@@ -78,13 +78,16 @@ bool ModalOverlay::event(QEvent* ev) {
     return QWidget::event(ev);
 }
 
-void ModalOverlay::setKnownBestHeight(int count, const QDateTime& blockDate)
+void ModalOverlay::setKnownBestHeight(int count, const QDateTime& blockDate, bool presync)
 {
-    if (count > bestHeaderHeight) {
+    if (!presync && count > bestHeaderHeight) {
         bestHeaderHeight = count;
         bestHeaderDate = blockDate;
         UpdateHeaderSyncLabel();
     }
+    if (presync) {
+        UpdateHeaderPresyncLabel(count, blockDate);
+    }
 }
 
 void ModalOverlay::tipUpdate(int count, const QDateTime& blockDate, double nVerificationProgress)
@@ -158,6 +161,11 @@ void ModalOverlay::UpdateHeaderSyncLabel() {
     ui->numberOfBlocksLeft->setText(tr("Unknown. Syncing Headers (%1, %2%)…").arg(bestHeaderHeight).arg(QString::number(100.0 / (bestHeaderHeight + est_headers_left) * bestHeaderHeight, 'f', 1)));
 }
 
+void ModalOverlay::UpdateHeaderPresyncLabel(int height, const QDateTime& blockDate) {
+    int est_headers_left = blockDate.secsTo(QDateTime::currentDateTime()) / Params().GetConsensus().nPowTargetSpacing;
+    ui->numberOfBlocksLeft->setText(tr("Unknown. Pre-syncing Headers (%1, %2%)…").arg(height).arg(QString::number(100.0 / (height + est_headers_left) * height, 'f', 1)));
+}
+
 void ModalOverlay::toggleVisibility()
 {
     showHide(layerIsVisible, true);