Fix edgecase in tipset skipcache

filecoin-project · May 27, 2021 · 9da93a6 · 9da93a6
1 parent 21b4741
commit 9da93a6
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/chain/store/index.go b/chain/store/index.go
@@ -107,6 +107,9 @@ func (ci *ChainIndex) fillCache(tsk types.TipSetKey) (*lbEntry, error) {
 	}
 
 	rheight -= ci.skipLength
+	if rheight < 0 {
+		rheight = 0
+	}
 
 	var skipTarget *types.TipSet
 	if parent.Height() < rheight {