feat: support for multi gRPC query clients serve with old binary (#25565)

Co-authored-by: Alex | Cosmos Labs <alex@cosmoslabs.io>

testutil/network/util.go

@@ -17,6 +17,7 @@ import (
 	cmttypes "github.com/cometbft/cometbft/types"
 	cmttime "github.com/cometbft/cometbft/types/time"
 	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc"
 
 	"cosmossdk.io/log"
 
@@ -97,7 +98,9 @@ func startInProcess(cfg Config, val *Validator) error {
 	grpcCfg := val.AppConfig.GRPC
 
 	if grpcCfg.Enable {
-		grpcSrv, err := servergrpc.NewGRPCServer(val.ClientCtx, app, grpcCfg)
+		grpcLogger := logger.With(log.ModuleKey, "grpc-server")
+		var grpcSrv *grpc.Server
+		grpcSrv, val.ClientCtx, err = servergrpc.NewGRPCServerAndContext(val.ClientCtx, app, grpcCfg, grpcLogger)
 		if err != nil {
 			return err
 		}
@@ -105,7 +108,7 @@ func startInProcess(cfg Config, val *Validator) error {
 		// Start the gRPC server in a goroutine. Note, the provided ctx will ensure
 		// that the server is gracefully shut down.
 		val.errGroup.Go(func() error {
-			return servergrpc.StartGRPCServer(ctx, logger.With(log.ModuleKey, "grpc-server"), grpcCfg, grpcSrv)
+			return servergrpc.StartGRPCServer(ctx, grpcLogger, grpcCfg, grpcSrv)
 		})
 
 		val.grpc = grpcSrv