fix(server/v2): use only one logger for app and server (#22241)

simapp/v2/simdv2/cmd/commands.go

@@ -55,11 +55,6 @@ func initRootCmd[T transaction.Tx](
 		NewTestnetCmd(moduleManager),
 	)
 
-	logger, err := serverv2.NewLogger(viper.New(), rootCmd.OutOrStdout())
-	if err != nil {
-		panic(fmt.Sprintf("failed to create logger: %v", err))
-	}
-
 	// add keybase, auxiliary RPC, query, genesis, and tx child commands
 	rootCmd.AddCommand(
 		genesisCommand(moduleManager),
@@ -70,10 +65,9 @@ func initRootCmd[T transaction.Tx](
 	)
 
 	// wire server commands
-	if err = serverv2.AddCommands(
+	if err := serverv2.AddCommands(
 		rootCmd,
 		newApp,
-		logger,
 		initServerConfig(),
 		cometbft.New(
 			&genericTxDecoder[T]{txConfig},

simapp/v2/simdv2/cmd/config.go

@@ -79,7 +79,7 @@ func initCometConfig() cometbft.CfgOption {
 	cfg := cmtcfg.DefaultConfig()
 
 	// display only warn logs by default except for p2p and state
-	cfg.LogLevel = "*:warn,p2p:info,state:info"
+	cfg.LogLevel = "*:warn,server:info,p2p:info,state:info"
 	// increase block timeout
 	cfg.Consensus.TimeoutCommit = 5 * time.Second
 	// overwrite default pprof listen address

simapp/v2/simdv2/cmd/testnet.go

@@ -15,7 +15,6 @@ import (
 	"github.com/spf13/pflag"
 
 	"cosmossdk.io/core/transaction"
-	"cosmossdk.io/log"
 	"cosmossdk.io/math"
 	"cosmossdk.io/math/unsafe"
 	runtimev2 "cosmossdk.io/runtime/v2"
@@ -344,7 +343,7 @@ func initTestnetFiles[T transaction.Tx](
 		)
 		storeServer := store.New[T]()
 		grpcServer := grpc.New[T](grpc.OverwriteDefaultConfig(grpcConfig))
-		server := serverv2.NewServer[T](log.NewNopLogger(), serverCfg, cometServer, grpcServer, storeServer)
+		server := serverv2.NewServer[T](serverCfg, cometServer, grpcServer, storeServer)
 		err = server.WriteConfig(filepath.Join(nodeDir, "config"))
 		if err != nil {
 			return err