From 1b6edf499a34fc5ac9b27c882c1df1704ddc4ed9 Mon Sep 17 00:00:00 2001
From: Mark Holt <135143369+mh0lt@users.noreply.github.com>
Date: Fri, 21 Feb 2025 14:17:30 +0000
Subject: [PATCH] set ready on file open as well as download complete (#13901)

fixes: https://github.com/erigontech/erigon/issues/13897
---
 turbo/snapshotsync/snapshots.go | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/turbo/snapshotsync/snapshots.go b/turbo/snapshotsync/snapshots.go
index 0d701468ff3..48b10241cb5 100644
--- a/turbo/snapshotsync/snapshots.go
+++ b/turbo/snapshotsync/snapshots.go
@@ -601,12 +601,11 @@ func (s *RoSnapshots) VisibleBlocksAvailable(t snaptype.Enum) uint64 {
 }
 
 func (s *RoSnapshots) DownloadComplete() {
-	if !s.SegmentsReady() {
-		return
-	}
 	wasReady := s.downloadReady.Swap(true)
 	if !wasReady {
-		s.ready.set()
+		if s.SegmentsReady() {
+			s.ready.set()
+		}
 	}
 }
 
@@ -987,7 +986,12 @@ func (s *RoSnapshots) InitSegments(fileNames []string) error {
 	}
 
 	s.recalcVisibleFiles()
-	s.segmentsReady.Store(true)
+	wasReady := s.segmentsReady.Swap(true)
+	if !wasReady {
+		if s.downloadReady.Load() {
+			s.ready.set()
+		}
+	}
 
 	return nil
 }
@@ -1152,7 +1156,12 @@ func (s *RoSnapshots) OpenFolder() error {
 	}
 
 	s.recalcVisibleFiles()
-	s.segmentsReady.Store(true)
+	wasReady := s.segmentsReady.Swap(true)
+	if !wasReady {
+		if s.downloadReady.Load() {
+			s.ready.set()
+		}
+	}
 	return nil
 }