diff --git a/batch/batch.go b/batch/batch.go
index 36ac453..f69387f 100644
--- a/batch/batch.go
+++ b/batch/batch.go
@@ -44,7 +44,7 @@ func Add(ballot types.Ballot) error {
 //k is []byte 'batch_' + nullifier
 //v is []byte package
 //returns slice of nullifiers, batch json
-func Create() ([]string, []string) {
+func Fetch() ([]string, []string) {
 	var n []string
 	var b []string
 	iter := bdb.Iter()
@@ -73,7 +73,7 @@ func Create() ([]string, []string) {
 //move from bdb to rdb once pinned
 func Compact(n []string) {
 	for _, k := range n {
-		fmt.Println(k)
+		//fmt.Println(k)
 		v, err := bdb.Get([]byte(k))
 		if err != nil {
 			fmt.Println(err.Error())
diff --git a/data/data.go b/data/data.go
index d0a33ac..c48997e 100644
--- a/data/data.go
+++ b/data/data.go
@@ -8,7 +8,7 @@ import (
 	shell "github.com/ipfs/go-ipfs-api"
 )
 
-func publish(object []byte) string {
+func Publish(object []byte) string {
 	sh := shell.NewShell("localhost:5001")
 	cid, err := sh.Add(bytes.NewBuffer(object))
 	if err != nil {
@@ -18,7 +18,7 @@ func publish(object []byte) string {
 	return cid
 }
 
-func pin(path string) {
+func Pin(path string) {
 	sh := shell.NewShell("localhost:5001")
 	err := sh.Pin(path)
 	if err != nil{
@@ -28,7 +28,7 @@ func pin(path string) {
 }
 
 
-func retrieve(hash string) []byte {
+func Retrieve(hash string) []byte {
 	sh := shell.NewShell("localhost:5001")
 	reader, err := sh.Cat(hash)
 	if err != nil {
diff --git a/generator/generator.go b/generator/generator.go
index 5e0bd40..e51f1eb 100644
--- a/generator/generator.go
+++ b/generator/generator.go
@@ -75,7 +75,7 @@ func main() {
 	i, _ := strconv.Atoi(interval)
 	timer := time.NewTicker(time.Millisecond * time.Duration(i))
 	rand.Seed(time.Now().UnixNano())
-	url := "http://localhost:8080/submit"
+	url := "http://localhost:8090/submit"
 	fmt.Println("URL:>", url)
 
 	for {
diff --git a/main.go b/main.go
index 7c1309b..fed06bc 100644
--- a/main.go
+++ b/main.go
@@ -3,9 +3,12 @@ package main
 import (
 	"fmt"
 	"time"
+	"encoding/gob"
+	"bytes"
 	"github.com/vocdoni/dvote-relay/batch"
 	"github.com/vocdoni/dvote-relay/net"
 	"github.com/vocdoni/dvote-relay/db"
+	"github.com/vocdoni/dvote-relay/data"
 )
 
 var dbPath = "~/.dvote/relay.db"
@@ -35,7 +38,7 @@ func main() {
 	batch.BatchSize = batchSize
 
 	fmt.Println("Entering main loop")
-	go net.Listen("8080")
+	go net.Listen("8090")
 	for {
 		select {
 		case <- batchTimer.C:
@@ -45,12 +48,21 @@ func main() {
 		case signal := <-batchSignal:
 			if signal == true {
 				fmt.Println("Signal triggered")
-				n, b := batch.Create()
-				fmt.Println("Nullifiers:")
-				fmt.Println(n)
-				fmt.Println("Batch:")
-				fmt.Println(b)
-				batch.Compact(n)
+				ns, bs := batch.Fetch()
+				buf := &bytes.Buffer{}
+				gob.NewEncoder(buf).Encode(bs)
+				bb := buf.Bytes()
+				cid := data.Publish(bb)
+				data.Pin(cid)
+				fmt.Printf("Batch published at: %s \n", cid)
+				// add to ipfs
+				// add to chain
+				// announce to pubsub
+				//fmt.Println("Nullifiers:")
+				//fmt.Println(n)
+				//fmt.Println("Batch:")
+				//fmt.Println(b)
+				batch.Compact(ns)
 			}
 		default:
 			continue
diff --git a/types/types.go b/types/types.go
index 87ad322..03eee3a 100644
--- a/types/types.go
+++ b/types/types.go
@@ -22,7 +22,7 @@ type Envelope struct {
 
 type Batch struct {
 	Type string
-	Nullifiers [][]byte
+	Nullifiers []string
 	URL string
 	TXID string
 	Nonce	[]byte