add request & test

test/request.test.ts

@@ -0,0 +1,67 @@
+import { nip04, Event } from 'nostr-tools';
+import { NostrRPC, NostrRPCServer, prepareEvent, prepareResponse } from '../src/request';
+
+class Example extends NostrRPCServer {
+  async ping(): Promise<string> {
+    return 'pong';
+  }
+}
+
+jest.setTimeout(10000);
+
+describe('Nostr RPC', () => {
+  it('starts a server', async () => {
+    const server = new Example({
+      secretKey: "ed779ff047f99c95f732b22c9f8f842afb870c740aab591776ebc7b64e83cf6c",
+    });
+    const sub = await server.listen();
+    sub.on('event', async (event: Event) => {
+      let plaintext;
+      let payload;
+      try {
+        plaintext = await nip04.decrypt(server.self.secret, event.pubkey, event.content);
+        payload = JSON.parse(plaintext);
+      } catch(ignore) {
+        return;
+      }
+
+      // ignore all the events that are not NostrRPCRequest events
+      if (!plaintext) return;
+      if (!payload) return;
+      if (!Object.keys(payload).includes('id') || !Object.keys(payload).includes('method') || !Object.keys(payload).includes('params')) return;
+      
+      // handle request
+      const response = {
+        id: payload.id,
+        result: "pong",
+        error: null,
+      }
+      const body = prepareResponse(response.id, response.result, response.error);
+      const responseEvent = await prepareEvent(server.self.secret, event.pubkey, body);
+
+      console.log('response to be sent', responseEvent)
+      // send response via relay
+      const pub = server.relay.publish(responseEvent);
+      pub.on('failed', console.error);
+    });
+
+    sub.on('eose', () => {
+      sub.unsub();
+    });
+
+    const client = new NostrRPC({
+      secretKey: "5acff99d1ad3e1706360d213fd69203312d9b5e91a2d5f2e06100cc6f686e5b3",
+      target: server.self.pubkey,
+    });
+    console.log(`from: ` + client.self.pubkey, `to: ` + server.self.pubkey);
+
+    await sleep(2000);
+
+    const result = await client.call({ method: 'ping' });
+    console.log(result);
+  })
+})
+
+function sleep(ms: number) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}