fix(test): failed to start HTTP server on port 8080 conflict

prevent simd panic on restart when access db closed by fail server start

server/config/config.go

@@ -141,6 +141,15 @@ type GRPCConfig struct {
 	MaxSendMsgSize int `mapstructure:"max-send-msg-size"`
 }
 
+// RESTConfig defines configuration for the rest server.
+type RESTConfig struct {
+	// Enable defines if the rest server should be enabled.
+	Enable bool `mapstructure:"enable"`
+
+	// Address defines the API server to listen on
+	Address string `mapstructure:"address"`
+}
+
 // StateSyncConfig defines the state sync snapshot configuration.
 type StateSyncConfig struct {
 	// SnapshotInterval sets the interval at which state sync snapshots are taken.
@@ -184,6 +193,7 @@ type Config struct {
 	Telemetry telemetry.Config `mapstructure:"telemetry"`
 	API       APIConfig        `mapstructure:"api"`
 	GRPC      GRPCConfig       `mapstructure:"grpc"`
+	REST      RESTConfig       `mapstructure:"rest"`
 	StateSync StateSyncConfig  `mapstructure:"state-sync"`
 	Streaming StreamingConfig  `mapstructure:"streaming"`
 	Mempool   MempoolConfig    `mapstructure:"mempool"`

simapp/simd/cmd/testnet.go

@@ -248,6 +248,7 @@ func initTestnetFiles(
 		rpcPort  = 26657
 		apiPort  = 1317
 		grpcPort = 9090
+		restPort = 8080
 	)
 	p2pPortStart := 26656
 
@@ -263,6 +264,7 @@ func initTestnetFiles(
 			nodeConfig.P2P.AllowDuplicateIP = true
 			appConfig.API.Address = fmt.Sprintf("tcp://127.0.0.1:%d", apiPort+portOffset)
 			appConfig.GRPC.Address = fmt.Sprintf("127.0.0.1:%d", grpcPort+portOffset)
+			appConfig.REST.Address = fmt.Sprintf("127.0.0.1:%d", restPort+portOffset)
 		}
 
 		nodeDirName := fmt.Sprintf("%s%d", args.nodeDirPrefix, i)

simapp/v2/simdv2/cmd/testnet.go

@@ -20,6 +20,7 @@ import (
 	runtimev2 "cosmossdk.io/runtime/v2"
 	serverv2 "cosmossdk.io/server/v2"
 	"cosmossdk.io/server/v2/api/grpc"
+	"cosmossdk.io/server/v2/api/rest"
 	"cosmossdk.io/server/v2/cometbft"
 	"cosmossdk.io/server/v2/store"
 	banktypes "cosmossdk.io/x/bank/types"
@@ -184,6 +185,7 @@ func initTestnetFiles[T transaction.Tx](
 		rpcPort  = 26657
 		apiPort  = 1317
 		grpcPort = 9090
+		restPort = 8080
 	)
 	p2pPortStart := 26656
 
@@ -192,6 +194,7 @@ func initTestnetFiles[T transaction.Tx](
 	for i := 0; i < args.numValidators; i++ {
 		var portOffset int
 		grpcConfig := grpc.DefaultConfig()
+		restConfig := rest.DefaultConfig()
 		if args.singleMachine {
 			portOffset = i
 			p2pPortStart = 16656 // use different start point to not conflict with rpc port
@@ -205,6 +208,11 @@ func initTestnetFiles[T transaction.Tx](
 				MaxRecvMsgSize: grpc.DefaultConfig().MaxRecvMsgSize,
 				MaxSendMsgSize: grpc.DefaultConfig().MaxSendMsgSize,
 			}
+
+			restConfig = &rest.Config{
+				Enable:  true,
+				Address: fmt.Sprintf("127.0.0.1:%d", restPort+portOffset),
+			}
 		}
 
 		nodeDirName := fmt.Sprintf("%s%d", args.nodeDirPrefix, i)
@@ -338,7 +346,8 @@ func initTestnetFiles[T transaction.Tx](
 		cometServer := cometbft.NewWithConfigOptions[T](cometbft.OverwriteDefaultConfigTomlConfig(nodeConfig))
 		storeServer := &store.Server[T]{}
 		grpcServer := grpc.NewWithConfigOptions[T](grpc.OverwriteDefaultConfig(grpcConfig))
-		server := serverv2.NewServer[T](serverCfg, cometServer, storeServer, grpcServer)
+		restServer := rest.NewWithConfigOptions[T](rest.OverwriteDefaultConfig(restConfig))
+		server := serverv2.NewServer[T](serverCfg, cometServer, storeServer, grpcServer, restServer)
 		err = server.WriteConfig(filepath.Join(nodeDir, "config"))
 		if err != nil {
 			return err