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thePR0M3TH3ANandClaude Opus 4.8
70aab38470
A user's NIP-65 list can carry ~20 relays, most dead. Subscribing on all of them is the dominant REQ-storm amplifier: every subsystem fans every query across all relays and re-fires on each flaky-relay reconnect. Cap the read/subscribe set to a bounded core (6), prioritizing the bundled known-good defaults; WRITES still fan out to the full set so publish reach is unaffected. Interim until RelayHealth ranks by liveness (docs/architecture-refactor.md P1). Co-Authored-By: Claude Opus 4.8 <[email protected]>
58 lines
1.9 KiB
JavaScript
58 lines
1.9 KiB
JavaScript
// Scenario (SCN-relay-subscribe-cap):
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// Given a user's NIP-65 relay list with many relays (the real-env case had
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// ~20, most dead),
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// When the client applies those relay preferences,
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// Then the SUBSCRIBE/read set is capped to a small bounded core (so query
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// fan-out can't explode and re-storm on reconnect),
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// And the WRITE set is NOT capped (publish reach is preserved),
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// And the bundled known-good defaults are prioritized into the read set.
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import "./test-helpers/setup-localstorage.mjs";
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import { test } from "node:test";
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import assert from "node:assert/strict";
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const { nostrClient } = await import("../js/nostrClientFacade.js");
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const { DEFAULT_RELAY_URLS } = await import("../js/nostr/toolkit.js");
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test("subscribe/read relays are capped; write relays are not", () => {
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const many = [
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"wss://dead1.example",
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"wss://dead2.example",
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"wss://dead3.example",
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"wss://dead4.example",
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"wss://dead5.example",
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"wss://dead6.example",
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"wss://dead7.example",
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"wss://dead8.example",
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...DEFAULT_RELAY_URLS, // known-good, listed last on purpose
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];
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nostrClient.applyRelayPreferences({ all: many, write: many });
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// Read/subscribe set is bounded.
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assert.ok(
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nostrClient.relays.length <= 6,
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`read set should be capped (<=6), got ${nostrClient.relays.length}`,
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);
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assert.ok(
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nostrClient.readRelays.length <= 6,
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`readRelays should be capped (<=6), got ${nostrClient.readRelays.length}`,
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);
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// Known-good defaults are prioritized into the capped read set despite being
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// listed last in the input.
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for (const url of DEFAULT_RELAY_URLS) {
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assert.ok(
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nostrClient.relays.includes(url),
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`known-good default ${url} should survive the cap`,
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);
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}
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// Writes are NOT capped — publish reach preserved.
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assert.equal(
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nostrClient.writeRelays.length,
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new Set(many).size,
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"write set must include every configured relay",
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);
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});
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