added block changes

erigon-lib/downloader/downloadercfg/downloadercfg.go

@@ -251,7 +251,7 @@ func loadSnapshotsEitherFromDiskIfNeeded(dirs datadir.Dirs, chainName string) (*
 	if err := dir.WriteFileWithFsync(preverifiedToml, snapcfg.GetToml(chainName), 0644); err != nil {
 		return nil, err
 	}
-	return snapcfg.KnownCfg(preverifiedToml), nil
+	return snapcfg.KnownCfg(chainName), nil
 }
 
 func getIpv6Enabled() bool {

turbo/snapshotsync/snapshots.go

@@ -453,7 +453,9 @@ func (s *Segments) SetMaxVisibleBlock(max uint64) {
 
 func (s *Segments) BeginRo() *RoTx {
 	for _, seg := range s.VisibleSegments {
-		seg.src.refcount.Add(1)
+		if !seg.src.frozen {
+			seg.src.refcount.Add(1)
+		}
 	}
 	return &RoTx{segments: s, VisibleSegments: s.VisibleSegments}
 }
@@ -482,10 +484,6 @@ func (s *RoTx) Close() {
 
 		refCnt := src.refcount.Add(-1)
 
-		if src.frozen {
-			continue
-		}
-
 		if refCnt == 0 && src.canDelete.Load() {
 			src.closeAndRemoveFiles()
 		}
@@ -1072,7 +1070,7 @@ func (s *RoSnapshots) rebuildSegments(fileNames []string, open bool, optimistic
 		})
 
 		if !exists {
-			sn = &DirtySegment{segType: f.Type, version: f.Version, Range: Range{f.From, f.To}, frozen: snapcfg.Seedable(s.cfg.ChainName, f)}
+			sn = &DirtySegment{segType: f.Type, version: f.Version, Range: Range{f.From, f.To}, frozen: snapcfg.IsFrozen(s.cfg.ChainName, f)}
 		}
 
 		if open {