fix: prevent out of bounds on lookup inners access

cosmos · Aug 29, 2024 · 2c08967 · 2c08967
1 parent d98cf6a
commit 2c08967
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/go/compress.go b/go/compress.go
@@ -153,7 +153,9 @@ func decompressExist(exist *CompressedExistenceProof, lookup []*InnerOp) *Existe
 		Path:  make([]*InnerOp, len(exist.Path)),
 	}
 	for i, step := range exist.Path {
-		res.Path[i] = lookup[step]
+		if int(step) < len(lookup) {
+			res.Path[i] = lookup[step]
+		}
 	}
 	return res
 }