From e9b84b9d9fc6b8e996739cfcfe8c9e7f8c5a896f Mon Sep 17 00:00:00 2001
From: mmsqe <mavis@crypto.com>
Date: Fri, 4 Oct 2024 15:24:04 +0800
Subject: [PATCH] add default

---
 app/upgrades.go       | 3 ++-
 x/evm/types/params.go | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/upgrades.go b/app/upgrades.go
index b606d1c9a8..bc1f660a43 100644
--- a/app/upgrades.go
+++ b/app/upgrades.go
@@ -21,6 +21,7 @@ import (
 	upgradetypes "cosmossdk.io/x/upgrade/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/module"
+	evmtypes "github.com/evmos/ethermint/x/evm/types"
 )
 
 func (app *EthermintApp) RegisterUpgradeHandlers() {
@@ -34,7 +35,7 @@ func (app *EthermintApp) RegisterUpgradeHandlers() {
 			sdkCtx := sdk.UnwrapSDKContext(ctx)
 			{
 				params := app.EvmKeeper.GetParams(sdkCtx)
-				params.HeaderHashNum = 10000
+				params.HeaderHashNum = evmtypes.DefaultHeaderHashNum
 				if err := app.EvmKeeper.SetParams(sdkCtx, params); err != nil {
 					return m, err
 				}
diff --git a/x/evm/types/params.go b/x/evm/types/params.go
index 27d84155cd..f18b65f4e5 100644
--- a/x/evm/types/params.go
+++ b/x/evm/types/params.go
@@ -34,6 +34,8 @@ var (
 	DefaultEnableCreate = true
 	// DefaultEnableCall enables contract calls (i.e true)
 	DefaultEnableCall = true
+	// DefaultHeaderHashNum defines the default number of header hash to persist.
+	DefaultHeaderHashNum = uint64(10000)
 )
 
 // NewParams creates a new Params instance
@@ -58,6 +60,7 @@ func DefaultParams() Params {
 		EnableCall:          DefaultEnableCall,
 		ChainConfig:         config,
 		AllowUnprotectedTxs: DefaultAllowUnprotectedTxs,
+		HeaderHashNum:       DefaultHeaderHashNum,
 	}
 }