Create key cache

test/keycache.test.ts

@@ -0,0 +1,23 @@
+import { expect, assert } from "chai";
+import { KeyCache } from "../src/keycache";
+import {createPeerIdsFromFixtures} from "./fixtures/peer";
+
+describe("KeyCache", () => {
+  let peerA, peerB;
+
+  before(async () => {
+    [peerA, peerB] = await createPeerIdsFromFixtures(2);
+  });
+
+  it("should store and load same key successfully", async() => {
+    try {
+      const key = Buffer.from("this is id 007");
+      await KeyCache.store(peerA, key);
+      const result = await KeyCache.load(peerA);
+      assert(result.equals(key), "Stored and loaded key are not the same");
+    } catch (e) {
+      console.error(e);
+      assert(false, `Test failed - ${e.message}`)
+    }
+  });
+});