From 30445273a33b46466a261d8cdc3c922abb6a88ef Mon Sep 17 00:00:00 2001
From: Nacho Avecilla <nachoavecilla@gmail.com>
Date: Fri, 22 Sep 2023 09:51:33 -0300
Subject: [PATCH] Store zero before returning in ecmul trivial cases (#123)

---
 precompiles/EcMul.yul | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/precompiles/EcMul.yul b/precompiles/EcMul.yul
index eff56e20..82a8c8a5 100644
--- a/precompiles/EcMul.yul
+++ b/precompiles/EcMul.yul
@@ -373,6 +373,8 @@ object "EcMul" {
 
             if affinePointIsInfinity(x, y) {
                 // Infinity * scalar = Infinity
+                mstore(0x00, 0x00)
+                mstore(0x20, 0x00)
                 return(0x00, 0x40)
             }
 
@@ -386,6 +388,8 @@ object "EcMul" {
 
             if eq(scalar, 0) {
                 // P * 0 = Infinity
+                mstore(0x00, 0x00)
+                mstore(0x20, 0x00)
                 return(0x00, 0x40)
             }
             if eq(scalar, 1) {