From 16f1dabdbc88efe017793d655b74c59a9c35cd4c Mon Sep 17 00:00:00 2001
From: KamiD <44460798+KamiD@users.noreply.github.com>
Date: Thu, 28 Jan 2021 04:34:59 +0800
Subject: [PATCH] ante: fix panic in  when gas price larger than 100000 (#750)

---
 CHANGELOG.md    | 2 +-
 app/ante/eth.go | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae3d5040..7f26394c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,7 +43,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (evm) [\#670](https://github.com/cosmos/ethermint/pull/670) Migrate types to the ones defined by the protobuf messages, which are required for the stargate release.
 
 ### Bug Fixes
-
+* (evm) [\#749](https://github.com/cosmos/ethermint/issues/749) Fix panic in `AnteHandler` when gas price larger than 100000
 * (evm) [\#747](https://github.com/cosmos/ethermint/issues/747) Fix format errors in String() of QueryETHLogs
 * (evm) [\#742](https://github.com/cosmos/ethermint/issues/742) Add parameter check for evm query func. 
 * (evm) [\#687](https://github.com/cosmos/ethermint/issues/687) Fix nonce check to explicitly check for the correct nonce, rather than a simple 'greater than' comparison. 
diff --git a/app/ante/eth.go b/app/ante/eth.go
index b367f0bb..a6549f71 100644
--- a/app/ante/eth.go
+++ b/app/ante/eth.go
@@ -101,7 +101,7 @@ func (emfd EthMempoolFeeDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simula
 	evmDenom := emfd.evmKeeper.GetParams(ctx).EvmDenom
 
 	// fee = gas price * gas limit
-	fee := sdk.NewInt64DecCoin(evmDenom, msgEthTx.Fee().Int64())
+	fee := sdk.NewDecCoin(evmDenom, sdk.NewIntFromBigInt(msgEthTx.Fee()))
 
 	minGasPrices := ctx.MinGasPrices()
 	minFees := minGasPrices.AmountOf(evmDenom).MulInt64(int64(msgEthTx.Data.GasLimit))