nil pointer fix

celestiaorg · Jun 2, 2024 · 95c3325 · 95c3325
1 parent d538043
commit 95c3325
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/proof.go b/proof.go
@@ -519,8 +519,11 @@ func (proof Proof) VerifySubtreeRootInclusion(nth *NmtHasher, subtreeRoots [][]b
 			// if the leaf index falls within the proof range, pop and return a
 			// leaf
 			if proof.Start() <= start && start < proof.End() {
-				// advance the list of ranges
-				ranges = ranges[1:]
+				if len(ranges) != 0 {
+					// advance the list of ranges
+					// TODO: investigate this
+					ranges = ranges[1:]
+				}
 				// advance leafHashes
 				return popIfNonEmpty(&subtreeRoots), nil
 			}