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Cache hot API responses in Redis

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Ben
2026-06-07 21:32:03 -04:00
parent 4a5d4bbb71
commit 2d6b01691c
3 changed files with 96 additions and 21 deletions
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src/app.controller.ts
+32 -9
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@@ -12,6 +12,7 @@ import { BitcoinRpcService } from './services/bitcoin-rpc.service';
import { UserAgentReportView } from './ORM/_views/user-agent-report/user-agent-report.view';
import { StratumV2Service } from './services/stratum-v2.service';
import { ShareAccountingService } from './ORM/share-accounting/share-accounting.service';
import { RedisMessagingService } from './services/redis-messaging.service';
@Controller()
export class AppController {
@@ -27,7 +28,8 @@ export class AppController {
private readonly addressSettingsService: AddressSettingsService,
private readonly userAgentReportService: UserAgentReportService,
private readonly stratumV2Service: StratumV2Service,
private readonly shareAccountingService: ShareAccountingService
private readonly shareAccountingService: ShareAccountingService,
private readonly redisMessagingService: RedisMessagingService
) { }
@Get('info')
@@ -35,7 +37,7 @@ export class AppController {
const CACHE_KEY = 'SITE_INFO';
const cachedResult = await this.cacheManager.get(CACHE_KEY);
const cachedResult = await this.getCached(CACHE_KEY);
if (cachedResult != null) {
return cachedResult;
@@ -86,7 +88,7 @@ export class AppController {
};
// Keep online miner counts responsive after reconnect cleanup.
await this.cacheManager.set(CACHE_KEY, data, 15 * 1000);
await this.setCached(CACHE_KEY, data, 15 * 1000);
return data;
@@ -95,7 +97,7 @@ export class AppController {
@Get('info/accounting')
public async infoAccounting() {
const CACHE_KEY = 'SITE_ACCOUNTING';
const cachedResult = await this.cacheManager.get(CACHE_KEY);
const cachedResult = await this.getCached(CACHE_KEY);
if (cachedResult != null) {
return cachedResult;
@@ -104,7 +106,7 @@ export class AppController {
const data = await this.shareAccountingService.getPoolSummary();
//15 sec
await this.cacheManager.set(CACHE_KEY, data, 15 * 1000);
await this.setCached(CACHE_KEY, data, 15 * 1000);
return data;
}
@@ -113,7 +115,7 @@ export class AppController {
public async pool() {
const CACHE_KEY = 'POOL_INFO';
const cachedResult = await this.cacheManager.get(CACHE_KEY);
const cachedResult = await this.getCached(CACHE_KEY);
if (cachedResult != null) {
return cachedResult;
@@ -135,7 +137,7 @@ export class AppController {
}
// Keep online miner counts responsive after reconnect cleanup.
await this.cacheManager.set(CACHE_KEY, data, 15 * 1000);
await this.setCached(CACHE_KEY, data, 15 * 1000);
return data;
}
@@ -150,7 +152,7 @@ export class AppController {
const CACHE_KEY = 'SITE_HASHRATE_GRAPH';
const cachedResult = await this.cacheManager.get(CACHE_KEY);
const cachedResult = await this.getCached(CACHE_KEY);
if (cachedResult != null) {
return cachedResult;
@@ -159,11 +161,32 @@ export class AppController {
const chartData = await this.clientStatisticsService.getChartDataForSite();
//10 min
await this.cacheManager.set(CACHE_KEY, chartData, 10 * 60 * 1000);
await this.setCached(CACHE_KEY, chartData, 10 * 60 * 1000);
return chartData;
}
private async getCached<T>(key: string): Promise<T | null> {
const shared = await this.redisMessagingService.getJsonCache<T>(`api:${key}`).catch(error => {
console.error(`Shared API cache read failed for ${key}: ${error.message}`);
return null;
});
if (shared != null) {
return shared;
}
return await this.cacheManager.get<T>(key) ?? null;
}
private async setCached(key: string, value: unknown, ttlMs: number): Promise<void> {
await Promise.all([
this.cacheManager.set(key, value, ttlMs),
this.redisMessagingService.setJsonCache(`api:${key}`, value, ttlMs).catch(error => {
console.error(`Shared API cache write failed for ${key}: ${error.message}`);
}),
]);
}
}