From 4d37c5ae5a837f7e38d72fc99eca13fc8311765b Mon Sep 17 00:00:00 2001
From: Daniel Liu <139250065@qq.com>
Date: Mon, 20 Apr 2026 16:04:26 +0800
Subject: [PATCH] fix(core/vm): triple modexp cost post-cancun #32231

---
 core/vm/contracts.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/vm/contracts.go b/core/vm/contracts.go
index 3d10174d1e63..ebfaa24b1650 100644
--- a/core/vm/contracts.go
+++ b/core/vm/contracts.go
@@ -438,7 +438,9 @@ func (c *bigModExp) RequiredGas(input []byte) uint64 {
 			gas.Mul(gas, adjExpLen)
 		}
 		// 2. Different divisor (`GQUADDIVISOR`) (3)
-		gas.Div(gas, big3)
+		if !c.eip7883 {
+			gas.Div(gas, big3)
+		}
 		if gas.BitLen() > 64 {
 			return math.MaxUint64
 		}