added mdns discovery

android/src/main/java/land/fx/fula/FulaModule.java

@@ -350,12 +350,11 @@ public void listPeersFound(Promise promise) {
     ThreadUtils.runOnExecutor(() -> {
       Log.d("ReactNative", "listPeersFound started");
       try {
-        string res = this.fula.listPeersFound();
+        String res = this.fula.listPeersFound();
 
         //JSONArray jsonArray = new JSONArray(res);
-        String s = new String(res, StandardCharsets.UTF_8);
-        Log.d("ReactNative", "ls: res = " + s);
-        promise.resolve(s);
+        Log.d("ReactNative", "listPeersFound: res = " + res);
+        promise.resolve(res);
       } catch (Exception e) {
         Log.d("get", e.getMessage());
         promise.reject(e);

src/index.tsx

@@ -1,3 +1,4 @@
 export * as fula from './protocols/fula';
+export * as blox from './protocols/blox';
 export * as blockchain from './protocols/blockchain';
-export * as chainApi from './protocols/chain-api';
+export * as chainApi from './protocols/chain-api';

src/interfaces/fulaNativeModule.ts

@@ -27,6 +27,7 @@ interface FulaNativeModule {
   get: (key: string) => Promise<string>;
   has: (key: Uint8Array) => Promise<boolean>;
   push: () => Promise<string>;
+  listFoundPeers: () => Promise<string>;
   put: (content: string, codec: string) => Promise<string>;
   mkdir: (path: string) => Promise<string>;
   writeFileContent: (path: string, content: string) => Promise<string>;

src/protocols/blox.ts

@@ -0,0 +1,19 @@
+import Fula from '../interfaces/fulaNativeModule';
+
+/**
+ * listFoundPeers uses mdns discovery mechanism to find libp2p peers that are in the same LAN (only backnd nodes).
+// this function.
+ * @returns array
+ */
+export const listFoundPeers = async(): Promise<string[]> => {
+  let peers:string[] = [];
+  try {
+    let foundPeers:string = await Fula.listFoundPeers();
+    if (foundPeers != "") {
+      peers = foundPeers.split(",");
+    }
+  } catch (e) {
+
+  }
+  return peers;
+};