lib/db: Handle missing block lists as missing file (ref #6321) (#6322)

Also explicitly handle non-nil but empty block lists (if they should ever pop up as an effect of unmarshalling changes or whatnot).
2020-02-11 15:37:22 +01:00
parent 29736b1e33
commit 04e648fee6
2 changed files with 7 additions and 2 deletions
@@ -550,7 +550,9 @@ func (db *Lowlevel) gcBlocks() error {
 		if err := bl.Unmarshal(it.Value()); err != nil {
 			return err
 		}
-		filter.Add(bl.BlocksHash)
+		if len(bl.BlocksHash) > 0 {
+			filter.Add(bl.BlocksHash)
+		}
 	}
 	it.Release()
 	if err := it.Error(); err != nil {