From 60730b782637dcbb3b2a82eab0bdf8581ac5089b Mon Sep 17 00:00:00 2001
From: Oleg Nikonychev <oleg.nikonychev@gmail.com>
Date: Sat, 28 Dec 2024 13:52:00 +0400
Subject: [PATCH] fix: flooring 1/64 of the gas limit

---
 x/evm/keeper/erc20.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/x/evm/keeper/erc20.go b/x/evm/keeper/erc20.go
index 216a7d23e..ef8140f92 100644
--- a/x/evm/keeper/erc20.go
+++ b/x/evm/keeper/erc20.go
@@ -3,6 +3,7 @@ package keeper
 
 import (
 	"fmt"
+	"math"
 	"math/big"
 
 	"cosmossdk.io/errors"
@@ -30,7 +31,7 @@ const (
 // protection against recursive calls ERC20 -> precompile -> ERC20.
 func getCallGasWithLimit(ctx sdk.Context, gasLimit uint64) uint64 {
 	availableGas := ctx.GasMeter().GasRemaining()
-	callGas := (availableGas * 63) / 64
+	callGas := availableGas - uint64(math.Floor(float64(availableGas)/64))
 	return min(callGas, gasLimit)
 }