fix: grpc port check

pkg/utils/grpc.go

@@ -2,21 +2,44 @@ package utils
 
 import (
 	"context"
+	"log/slog"
 	"time"
 
+	nodev1beta1 "cosmossdk.io/api/cosmos/base/node/v1beta1"
 	"google.golang.org/grpc"
-	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/credentials/insecure"
 )
 
-func IsGrpcPort(target string) bool {
-	dialCtx, dialCancel := context.WithTimeout(context.Background(), 1*time.Second)
-	defer dialCancel()
+func GetNodeStatus(target string) (*nodev1beta1.StatusResponse, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	defer cancel()
+
+	conn, err := grpc.DialContext(
+		ctx,
+		target,
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		grpc.WithBlock(),
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer conn.Close()
+
+	client := nodev1beta1.NewServiceClient(conn)
 
-	conn, err := grpc.NewClient(target, grpc.WithTransportCredentials(insecure.NewCredentials()))
+	resp, err := client.Status(ctx, &nodev1beta1.StatusRequest{})
 	if err != nil {
+		return nil, err
+	}
+
+	return resp, nil
+}
+
+func IsGrpcPort(target string) bool {
+	resp, err := GetNodeStatus(target)
+	if err != nil || resp == nil {
 		return false
 	}
-	conn.Connect()
-	return conn.WaitForStateChange(dialCtx, connectivity.Ready)
+	slog.Debug("gRPC port is ready and responding", "target", target, "status", resp)
+	return true
 }