Enabling embedded NATS leaf nodes

 - Setting sequence CBOR path to same as DB path if not specificed
 - Setting config file to be empty by default
 - Enabling Leaf node on port + 1 of cluster port

cfg/config.go

@@ -83,15 +83,15 @@ type Configuration struct {
 	Logging        LoggingConfiguration        `toml:"logging"`
 }
 
-var ConfigPathFlag = flag.String("config", "marmot.toml", "Path to configuration file")
+var ConfigPathFlag = flag.String("config", "", "Path to configuration file")
 var CleanupFlag = flag.Bool("cleanup", false, "Only cleanup marmot triggers and changelogs")
 var SaveSnapshotFlag = flag.Bool("save-snapshot", false, "Only take snapshot and upload")
 var ClusterAddrFlag = flag.String("cluster-addr", "", "Cluster listening address")
 var ClusterPeersFlag = flag.String("cluster-peers", "", "Comma separated list of clusters")
 
 var DataRootDir = os.TempDir()
 var Config = &Configuration{
-	SeqMapPath:      "",
+	SeqMapPath:      path.Join(DataRootDir, "seq-map.cbor"),
 	DBPath:          path.Join(DataRootDir, "marmot.db"),
 	NodeID:          0,
 	Publish:         true,

stream/embedded_nats.go

@@ -72,6 +72,10 @@ func startEmbeddedServer(nodeName string) (*embeddedNats, error) {
 		opts.Cluster.ListenStr = *cfg.ClusterAddrFlag
 		opts.Cluster.Host = host
 		opts.Cluster.Port = port
+		opts.LeafNode = server.LeafNodeOpts{
+			Host: host,
+			Port: port + 1,
+		}
 	}
 
 	if cfg.Config.NATS.ServerConfigFile != "" {