chore(app): add store listener to Ethermint app (#1501)

* add store listener to Ethermint app

* add changelog entry

CHANGELOG.md

@@ -56,6 +56,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (ante) [#1214](https://github.com/evmos/ethermint/pull/1214) Set mempool priority to EVM transactions.
 * (evm) [#1405](https://github.com/evmos/ethermint/pull/1405) Add parameter `chainID` to evm keeper's `EVMConfig` method, so caller can choose to not use the cached `eip155ChainID`.
 
+### Features
+
+- (app) [#1501](https://github.com/evmos/ethermint/pull/1501) Set default File store listener for application from [ADR38](https://docs.cosmos.network/v0.47/architecture/adr-038-state-listening)
+
 ### Improvements
 
 * (evm) [#1499](https://github.com/evmos/ethermint/pull/1499) Add Shanghai and Cancun block

app/app.go

@@ -2,6 +2,7 @@ package app
 
 import (
 	"encoding/json"
+	"fmt"
 	"io"
 	"net/http"
 	"os"
@@ -26,6 +27,7 @@ import (
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
 	"github.com/cosmos/cosmos-sdk/simapp"
 	simappparams "github.com/cosmos/cosmos-sdk/simapp/params"
+	"github.com/cosmos/cosmos-sdk/store/streaming"
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/module"
@@ -283,6 +285,12 @@ func NewEthermintApp(
 	tkeys := sdk.NewTransientStoreKeys(paramstypes.TStoreKey, evmtypes.TransientKey, feemarkettypes.TransientKey)
 	memKeys := sdk.NewMemoryStoreKeys(capabilitytypes.MemStoreKey)
 
+	// load state streaming if enabled
+	if _, _, err := streaming.LoadStreamingServices(bApp, appOpts, appCodec, keys); err != nil {
+		fmt.Printf("failed to load state streaming: %s", err)
+		os.Exit(1)
+	}
+
 	app := &EthermintApp{
 		BaseApp:           bApp,
 		cdc:               cdc,