refactored deprecated code

api/payments/quotation/internal/server/internal/dependencies.go

@@ -10,6 +10,7 @@ import (
 	feesv1 "github.com/tech/sendico/pkg/proto/billing/fees/v1"
 	"go.uber.org/zap"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/credentials/insecure"
 )
@@ -82,19 +83,33 @@ func dialGRPC(ctx context.Context, cfg clientConfig, address string) (*grpc.Clie
 		ctx, cancel = context.WithTimeout(context.Background(), 5*time.Second)
 		defer cancel()
 	}
+	dialOpts := make([]grpc.DialOption, 0, 1)
 	if cfg.InsecureTransport {
-		return grpc.DialContext(
-			ctx,
-			address,
-			grpc.WithTransportCredentials(insecure.NewCredentials()),
-			grpc.WithBlock(),
-		)
+		dialOpts = append(dialOpts, grpc.WithTransportCredentials(insecure.NewCredentials()))
+	} else {
+		dialOpts = append(dialOpts, grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})))
 	}
 
-	return grpc.DialContext(
-		ctx,
-		address,
-		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
-		grpc.WithBlock(),
-	)
+	conn, err := grpc.NewClient(address, dialOpts...)
+	if err != nil {
+		return nil, err
+	}
+	conn.Connect()
+	if err := waitUntilReady(ctx, conn); err != nil {
+		_ = conn.Close()
+		return nil, err
+	}
+	return conn, nil
+}
+
+func waitUntilReady(ctx context.Context, conn *grpc.ClientConn) error {
+	for {
+		state := conn.GetState()
+		if state == connectivity.Ready {
+			return nil
+		}
+		if !conn.WaitForStateChange(ctx, state) {
+			return ctx.Err()
+		}
+	}
 }