refactor(server/v2): add missing comet flags (#21123)

server/v2/api/grpc/flags.go

@@ -0,0 +1,12 @@
+package grpc
+
+import "fmt"
+
+// start flags are prefixed with the server name
+// as the config in prefixed with the server name
+// this allows viper to properly bind the flags
+func prefix(f string) string {
+	return fmt.Sprintf("%s.%s", ServerName, f)
+}
+
+var FlagAddress = prefix("address")

server/v2/api/grpc/server.go

@@ -24,8 +24,9 @@ import (
 )
 
 const (
+	ServerName = "grpc"
+
 	BlockHeightHeader = "x-cosmos-block-height"
-	FlagAddress       = "address"
 )
 
 type Server[T transaction.Tx] struct {
@@ -74,16 +75,8 @@ func (s *Server[T]) Init(appI serverv2.AppI[T], v *viper.Viper, logger log.Logge
 }
 
 func (s *Server[T]) StartCmdFlags() *pflag.FlagSet {
-	flags := pflag.NewFlagSet("grpc", pflag.ExitOnError)
-
-	// start flags are prefixed with the server name
-	// as the config in prefixed with the server name
-	// this allows viper to properly bind the flags
-	prefix := func(f string) string {
-		return fmt.Sprintf("%s.%s", s.Name(), f)
-	}
-
-	flags.String(prefix(FlagAddress), "localhost:9090", "Listen address")
+	flags := pflag.NewFlagSet(s.Name(), pflag.ExitOnError)
+	flags.String(FlagAddress, "localhost:9090", "Listen address")
 	return flags
 }
 
@@ -151,7 +144,7 @@ func getHeightFromCtx(ctx context.Context) (uint64, error) {
 }
 
 func (s *Server[T]) Name() string {
-	return "grpc"
+	return ServerName
 }
 
 func (s *Server[T]) Config() any {

server/v2/api/grpcgateway/server.go

@@ -21,6 +21,8 @@ import (
 var _ serverv2.ServerComponent[transaction.Tx] = (*GRPCGatewayServer[transaction.Tx])(nil)
 
 const (
+	ServerName = "grpc-gateway"
+
 	// GRPCBlockHeightHeader is the gRPC header for block height.
 	GRPCBlockHeightHeader = "x-cosmos-block-height"
 )
@@ -64,7 +66,7 @@ func New[T transaction.Tx](grpcSrv *grpc.Server, ir jsonpb.AnyResolver, cfgOptio
 }
 
 func (g *GRPCGatewayServer[T]) Name() string {
-	return "grpc-gateway"
+	return ServerName
 }
 
 func (s *GRPCGatewayServer[T]) Config() any {