fix: add basic JetStream management; bump: nats.go v1.12.3 (BREAKING to use with nack)

nacl.go

@@ -12,7 +12,6 @@ import (
 var (
 	NatsClient *nats.Conn
 	StanClient stan.Conn
-	JsClient   nats.JetStreamContext
 	natsLock   = sync.Mutex{}
 	stanLock   = sync.Mutex{}
 )
@@ -41,20 +40,6 @@ func SetupNatsWithCreds(host string, port int, credsFile string, closeHandler *g
 	return nil
 }
 
-func SetupJetStream(host string, port int, credsFile string, closeHandler *grawt.CloseHandler, opts ...nats.JSOpt) error {
-	var err error
-	if err := SetupNatsWithCreds(host, port, credsFile, closeHandler); err != nil {
-		return err
-	}
-
-	JsClient, err = NatsClient.JetStream(opts...)
-	if err != nil {
-		return fmt.Errorf("Cannot init JS: %v", err)
-	}
-
-	return nil
-}
-
 func SetupNats(host string, port int, user string, pass string, closeHandler *grawt.CloseHandler) error {
 	natsLock.Lock()
 	defer natsLock.Unlock()
@@ -143,7 +128,3 @@ func FinalizeNats(subscriptions *[]*nats.Subscription) error {
 
 	return nil
 }
-
-func FinalizeJetStream(subscriptions *[]*nats.Subscription) error {
-	return FinalizeNats(subscriptions)
-}