From ebbffc685cf1fd2e91dff6f3c2522672bed08f05 Mon Sep 17 00:00:00 2001
From: Freddy Caceres <facs95@gmail.com>
Date: Thu, 28 Jul 2022 15:14:46 -0400
Subject: [PATCH] change default maxGasWanted (#1208)

---
 CHANGELOG.md            | 1 +
 app/ante/eth.go         | 2 +-
 app/ante/eth_test.go    | 2 +-
 server/config/config.go | 2 +-
 4 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6045d6d3..efebe820 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * (feemarket) [\#1165](https://github.com/evmos/ethermint/pull/1165) Add hint in specs about different gas terminology for gas in Cosmos and Ethereum.
 * (rpc) [\#1169](https://github.com/evmos/ethermint/pull/1169) Remove unnecessary queries from `getBlockNumber` function
+* (ante) [1208](https://github.com/evmos/ethermint/pull/1208) Change default `maxGasWanted` value 
 
 ### Bug Fixes
 
diff --git a/app/ante/eth.go b/app/ante/eth.go
index 4534e19c..e14eacc3 100644
--- a/app/ante/eth.go
+++ b/app/ante/eth.go
@@ -194,7 +194,7 @@ func (egcd EthGasConsumeDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simula
 			return ctx, sdkerrors.Wrap(err, "failed to unpack tx data")
 		}
 
-		if ctx.IsCheckTx() {
+		if ctx.IsCheckTx() && egcd.maxGasWanted != 0 {
 			// We can't trust the tx gas limit, because we'll refund the unused gas.
 			if txData.GetGas() > egcd.maxGasWanted {
 				gasWanted += egcd.maxGasWanted
diff --git a/app/ante/eth_test.go b/app/ante/eth_test.go
index ad733011..e775e8ce 100644
--- a/app/ante/eth_test.go
+++ b/app/ante/eth_test.go
@@ -280,7 +280,7 @@ func (suite AnteTestSuite) TestEthGasConsumeDecorator() {
 		{
 			"success",
 			tx2,
-			config.DefaultMaxTxGasWanted, // it's capped
+			tx2GasLimit, // it's capped
 			func() {
 				vmdb.AddBalance(addr, big.NewInt(1000000))
 
diff --git a/server/config/config.go b/server/config/config.go
index 3b0a7b2f..a4ba48a9 100644
--- a/server/config/config.go
+++ b/server/config/config.go
@@ -28,7 +28,7 @@ const (
 	// DefaultEVMTracer is the default vm.Tracer type
 	DefaultEVMTracer = ""
 
-	DefaultMaxTxGasWanted = 500000
+	DefaultMaxTxGasWanted = 0
 
 	DefaultGasCap uint64 = 25000000