From 87c88957b42b7c22d8907242b27de38dacd2d04c Mon Sep 17 00:00:00 2001
From: viaNull <viaNull@outlook.com>
Date: Fri, 31 May 2024 00:22:44 +0800
Subject: [PATCH] Update engine_multiexp.js , check if nPoints == 0

---
 src/engine_multiexp.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/engine_multiexp.js b/src/engine_multiexp.js
index 3db5ac4..38d813f 100644
--- a/src/engine_multiexp.js
+++ b/src/engine_multiexp.js
@@ -110,6 +110,7 @@ export default function buildMultiexp(curve, groupName) {
         }
 
         const nPoints = Math.floor(buffBases.byteLength / sGIn);
+        if (nPoints == 0) return G.zero;
         const sScalar = Math.floor(buffScalars.byteLength / nPoints);
         if( sScalar * nPoints != buffScalars.byteLength) {
             throw new Error("Scalar size does not match");