Write test and resolve babel and ts compilation

test/xx.test.ts

@@ -0,0 +1,24 @@
+import { expect } from "chai";
+import { Buffer } from 'buffer';
+import * as crypto from 'libp2p-crypto';
+
+import { XXHandshake, KeyPair } from "../src/xx";
+
+// TODO: Move this to some protocol related file
+async function generateKeypair() : Promise<KeyPair> {
+  return await crypto.keys.generateKeyPair('ed25519');
+}
+
+describe("Index", () => {
+  const prologue = Buffer.from("/noise", "utf-8");
+
+  it("Test creating new XX session", async () => {
+    const kpInitiator: KeyPair = await generateKeypair();
+    const kpResponder: KeyPair = await generateKeypair();
+
+    const xx = new XXHandshake();
+
+    const session = await xx.initSession(true, prologue, kpInitiator, kpResponder.publicKey);
+    console.log(session)
+  })
+});