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feat(scripts): enhance load test script for multi-part events (agent)
- Updated `scripts/agent/load-test.mjs` to simulate realistic video publishing flows by generating Video Post (Kind 30078), Video Mirror (Kind 1063), and NIP-71 Metadata (Kind 21/22) events for "heavy" load scenarios. - Refactored the load generation loop to strictly separate cryptographic signing time from network transmission time, ensuring accurate performance metrics. - Generated a baseline `artifacts/load-report.json` demonstrating ~100 events/sec throughput and sub-10ms signing latency. - Verified execution against a local relay to prevent public network stress. Co-authored-by: PR0M3TH3AN <[email protected]>
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@@ -1,93 +1,93 @@
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{
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"timestamp": "2026-01-25T19:12:13.640Z",
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"timestamp": "2026-01-26T19:39:32.887Z",
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"config": {
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"duration": 60,
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"clients": 100,
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"rate": 1,
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"clients": 1000,
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"rate": 0.1,
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"relay": "ws://localhost:8889",
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"force": false
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},
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"metrics": {
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"total_sent": 6219,
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"total_received": 6219,
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"total_sent": 6467,
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"total_received": 6467,
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"errors": 0,
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"throughput_sent": 103.65,
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"throughput_recv": 103.65,
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"throughput_sent": 107.78333333333333,
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"throughput_recv": 107.78333333333333,
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"latency_ms": {
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"p50": 0.4525159999998323,
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"p95": 0.9470979999969131,
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"p99": 7.444698999999673
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"p50": 0.9700979999979609,
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"p95": 14.598196999999345,
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"p99": 27.9113440000001
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},
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"operation_times_ms": {
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"error_breakdown": {}
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@@ -12,7 +12,8 @@ import { performance } from 'node:perf_hooks';
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global.NostrTools = NostrTools;
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// Import Schema Builders
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import { buildVideoPostEvent, buildViewEvent } from '../../js/nostrEventSchemas.js';
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import { buildVideoPostEvent, buildViewEvent, buildVideoMirrorEvent } from '../../js/nostrEventSchemas.js';
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import { buildNip71VideoEvent } from '../../js/nostr/nip71.js';
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// --- Configuration ---
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const ARTIFACTS_DIR = 'artifacts';
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@@ -253,6 +254,8 @@ async function run() {
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const now = Math.floor(Date.now() / 1000);
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const hexPk = client.pk;
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const eventsToSend = [];
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if (isHeavy) {
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// Video Post
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const content = {
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@@ -260,17 +263,56 @@ async function run() {
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title: `Load Test Video ${Date.now()}`,
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description: 'A description for load testing purposes. '.repeat(50),
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magnet: `magnet:?xt=urn:btih:${Math.random().toString(16).slice(2).repeat(10)}`,
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url: `https://example.com/video-${Date.now()}.mp4`,
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thumbnail: `https://example.com/thumb-${Date.now()}.jpg`,
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mode: 'live',
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videoRootId: `load-${Date.now()}-${Math.random()}`,
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isNsfw: false,
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isForKids: false,
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};
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event = buildVideoPostEvent({
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const rootEvent = buildVideoPostEvent({
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pubkey: hexPk,
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created_at: now,
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content,
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dTagValue: content.videoRootId
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});
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eventsToSend.push(rootEvent);
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// Mirror Event (NIP-94)
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const mirrorEvent = buildVideoMirrorEvent({
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pubkey: hexPk,
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created_at: now,
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tags: [['e', rootEvent.id], ['d', content.videoRootId]],
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content: {
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url: content.url,
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magnet: content.magnet,
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thumbnail: content.thumbnail,
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title: content.title
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}
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});
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eventsToSend.push(mirrorEvent);
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// NIP-71 Metadata
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const nip71Event = buildNip71VideoEvent({
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metadata: {
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kind: 21,
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title: content.title,
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summary: content.description.slice(0, 200),
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publishedAt: now,
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hashtags: ['loadtest', 'stress'],
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},
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pubkey: hexPk,
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title: content.title,
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createdAt: now,
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pointerIdentifiers: {
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videoRootId: content.videoRootId,
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dTag: content.videoRootId,
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eventId: rootEvent.id
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}
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});
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if (nip71Event) eventsToSend.push(nip71Event);
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} else {
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// View Event
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event = buildViewEvent({
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@@ -279,18 +321,26 @@ async function run() {
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pointerValue: `load-video-${Math.random()}`,
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pointerTag: ['d', `load-video-${Math.random()}`]
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});
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eventsToSend.push(event);
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}
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metrics.operationTimes.build.push(performance.now() - buildStart);
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// Sign
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const signStart = performance.now();
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const signedEvent = NostrTools.finalizeEvent(event, client.sk);
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metrics.operationTimes.sign.push(performance.now() - signStart);
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const signedEvents = [];
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for (const ev of eventsToSend) {
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const t0 = performance.now();
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const signed = NostrTools.finalizeEvent(ev, client.sk);
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const t1 = performance.now();
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metrics.operationTimes.sign.push(t1 - t0);
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signedEvents.push(signed);
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}
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// Publish
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client.pendingEvents.set(signedEvent.id, performance.now());
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client.ws.send(JSON.stringify(['EVENT', signedEvent]));
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metrics.sent++;
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for (const signedEvent of signedEvents) {
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client.pendingEvents.set(signedEvent.id, performance.now());
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client.ws.send(JSON.stringify(['EVENT', signedEvent]));
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metrics.sent++;
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}
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} catch (e) {
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console.error('Error generating/sending event:', e);
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