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perf(dm): persist decrypted DM results so reloads skip the extension

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Consolidates the persisted-plaintext-decrypt-cache pattern (already used by watch
history) into a shared factory, persistedPlaintextCache.js, and adds a DM cache
on top of it. watchHistoryDecryptCache now delegates to the factory (same public
API; tests unchanged).

decryptDirectMessageEvent now also consults/writes a persisted cache keyed by the
immutable DM event id (JSON of the decrypt result; flushed once per
listDirectMessages batch; cleared on logout alongside the in-memory cache). DM
events never change, so a reload re-decrypts only messages it has not seen and
skips the (serialized, slow) nip-07 extension for the rest.

Harness (dm-repro, now cold/warm): 20 DMs -> COLD nip04.decrypt 50, WARM 0 —
reloads cost zero extension decrypt calls. Also excludes the actor's own key from
NIP-04 remote candidates (decrypting against self is always wasted). DM unit +
integration and watch-history cache tests green.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
This commit is contained in:
thePR0M3TH3ANandClaude Opus 4.8 committed 2026-06-12 19:55:07 -04:00
1 parent bbf8d10473
commit 8171fcb347
5 files changed
+184 -129
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scripts/perf/dm-repro.mjs
+41 -38
View File
@@ -23,6 +23,9 @@ const PEER_SK = generateSecretKey();
const PEER_PK = getPublicKey(PEER_SK);
let extCalls = {};
function resetExtCalls() {
extCalls = {};
}
let queue = Promise.resolve();
function viaExtension(method, fn) {
extCalls[method] = (extCalls[method] || 0) + 1;
@@ -83,47 +86,47 @@ async function main() {
};
}, relayUrl);
const page = await context.newPage();
const logs = [];
page.on("console", (m) => logs.push(`[${m.type()}] ${m.text()}`.slice(0, 300)));
page.on("pageerror", (e) => logs.push(`[pageerror] ${String(e).split("\n")[0]}`));
await page.goto(`${APP}/?__test__=1&__testRelays__=${encodeURIComponent(relayUrl)}`, { waitUntil: "domcontentloaded" });
await page.waitForFunction(() => typeof window.__bitvidTest__ === "object", { timeout: 20000 }).catch(() => {});
await page.evaluate((url) => window.__bitvidTest__?.setTestRelays?.([url], { persist: false }), relayUrl).catch(() => {});
// Login via fake extension.
try {
await page.click('[data-testid="login-button"]', { timeout: 8000 });
await page.waitForSelector('[data-testid="login-modal"]', { timeout: 8000 });
const extBtn = page.getByRole("button", { name: /extension|nip-?07|browser/i }).first();
if (await extBtn.count()) await extBtn.click({ timeout: 5000 });
else await page.locator('[data-testid="login-provider-button"]').first().click({ timeout: 5000 });
} catch (_) {}
await page.waitForFunction(async () => (await window.__bitvidTest__?.getAppState?.())?.isLoggedIn === true, { timeout: 15000 }).catch(() => {});
// Probe: list DMs directly via the client.
const result = await page.evaluate(async (userPk) => {
const c = window.__bitvidTest__?.nostrClient;
if (!c || typeof c.listDirectMessages !== "function") return { ok: false, reason: "no-listDirectMessages" };
async function session(label) {
const page = await context.newPage();
await page.goto(`${APP}/?__test__=1&__testRelays__=${encodeURIComponent(relayUrl)}`, { waitUntil: "domcontentloaded" });
await page.waitForFunction(() => typeof window.__bitvidTest__ === "object", { timeout: 20000 }).catch(() => {});
await page.evaluate((url) => window.__bitvidTest__?.setTestRelays?.([url], { persist: false }), relayUrl).catch(() => {});
try {
const msgs = await c.listDirectMessages(userPk, { timeoutMs: 8000 });
return {
ok: true,
count: Array.isArray(msgs) ? msgs.length : 0,
sample: Array.isArray(msgs) ? msgs.slice(0, 3).map((m) => ({ ok: m?.ok, text: (m?.text || m?.content || "").slice(0, 40), from: (m?.pubkey || "").slice(0, 8) })) : null,
};
} catch (e) {
return { ok: false, reason: String(e).split("\n")[0] };
}
}, USER_PK);
await page.click('[data-testid="login-button"]', { timeout: 8000 });
await page.waitForSelector('[data-testid="login-modal"]', { timeout: 8000 });
const extBtn = page.getByRole("button", { name: /extension|nip-?07|browser/i }).first();
if (await extBtn.count()) await extBtn.click({ timeout: 5000 });
else await page.locator('[data-testid="login-provider-button"]').first().click({ timeout: 5000 });
} catch (_) {}
await page.waitForFunction(async () => (await window.__bitvidTest__?.getAppState?.())?.isLoggedIn === true, { timeout: 15000 }).catch(() => {});
const result = await page.evaluate(async (userPk) => {
const c = window.__bitvidTest__?.nostrClient;
if (!c || typeof c.listDirectMessages !== "function") return { ok: false, reason: "no-listDirectMessages" };
try {
const msgs = await c.listDirectMessages(userPk, { timeoutMs: 8000 });
return { ok: true, count: Array.isArray(msgs) ? msgs.length : 0 };
} catch (e) {
return { ok: false, reason: String(e).split("\n")[0] };
}
}, USER_PK);
await page.waitForTimeout(1000);
await page.close();
return result;
}
resetExtCalls();
const cold = await session("cold");
const coldCalls = { ...extCalls };
resetExtCalls();
const warm = await session("warm");
const warmCalls = { ...extCalls };
const dCold = coldCalls["nip04.decrypt"] || 0;
const dWarm = warmCalls["nip04.decrypt"] || 0;
console.log("\n================ DM REPRO ================");
console.log(`listDirectMessages: ${JSON.stringify(result)}`);
console.log(`Extension calls: ${JSON.stringify(extCalls)}`);
const dm = logs.filter((l) => /dm|message|decrypt|permission|nip04|nip44|error|warn|fail|unavailable/i.test(l)).slice(0, 25);
console.log(`\nConsole (DM-related):`);
dm.forEach((l) => console.log(" " + l));
console.log(`COLD: ${JSON.stringify(cold)} | extension calls: ${JSON.stringify(coldCalls)}`);
console.log(`WARM: ${JSON.stringify(warm)} | extension calls: ${JSON.stringify(warmCalls)}`);
console.log(`nip04.decrypt: cold=${dCold} warm=${dWarm} -> persist cache ${dWarm < dCold ? "WORKS ✓" : "no effect"} (saved ${dCold - dWarm} extension calls)`);
console.log("=========================================\n");
await browser.close();