nostr package part 3

packages/nostr/test/single-event.ts

@@ -0,0 +1,55 @@
+import { Nostr } from "../src/client"
+import { EventKind } from "../src/event"
+import { PrivateKey } from "../src/keypair"
+import assert from "assert"
+
+// TODO Switch out the relay implementation and see if the issue persists
+
+describe("single event communication", function () {
+  it("ok", function (done) {
+    const secret = new PrivateKey(
+      "nsec1xlu55y6fqfgrq448xslt6a8j2rh7lj08hyhgs94ryq04yf6surwsjl0kzh"
+    )
+    const pubkey = secret.pubkey
+
+    const timestamp = new Date()
+    const note = "hello world"
+
+    const publisher = new Nostr()
+    publisher.open("ws://localhost:12648")
+    const subscriber = new Nostr()
+    subscriber.open("ws://localhost:12648")
+
+    subscriber.on("event", ({ signed: { event } }) => {
+      assert.equal(event.kind, EventKind.TextNote)
+      assert.equal(event.pubkey.toString(), pubkey.toString())
+      assert.equal(event.createdAt.toString(), timestamp.toString())
+      if (event.kind === EventKind.TextNote) {
+        assert.equal(event.note, note)
+      }
+
+      // There is a bug with the nostr relay used for testing where if the publish and
+      // subscribe happen at the same time, the same event might end up being broadcast twice.
+      // To prevent reacting to the same event and calling done() twice, remove the callback
+      // for future events.
+      subscriber.on("event", null)
+
+      publisher.close()
+      subscriber.close()
+
+      done()
+    })
+
+    subscriber.subscribe()
+
+    publisher.publish(
+      {
+        kind: EventKind.TextNote,
+        createdAt: timestamp,
+        note,
+        pubkey,
+      },
+      secret
+    )
+  })
+})