D13636.id44975.diff
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	diff --git a/keyserver/src/utils/redis-cache.js b/keyserver/src/utils/redis-cache.js
	new file mode 100644
	--- /dev/null
	+++ b/keyserver/src/utils/redis-cache.js
	@@ -0,0 +1,51 @@
	+// @flow
	+
	+import type { RedisClient } from 'redis';
	+import redis from 'redis';
	+
	+import type { NeynarChannel } from 'lib/types/farcaster-types.js';
	+
	+import { redisConfig } from '../socket/redis.js';
	+
	+class RedisCache {
	+ cacheClient: RedisClient;
	+
	+ constructor() {
	+ this.cacheClient = redis.createClient(redisConfig);
	+ }
	+
	+ setChannelInfo(fcChannelID: string, fcChannel: NeynarChannel): Promise<void> {
	+ const stringifiedChannelInfo = JSON.stringify(fcChannel);
	+ return new Promise((resolve, reject) => {
	+ this.cacheClient.set(
	+ `channel:${fcChannelID}`,
	+ stringifiedChannelInfo,
	+ 'EX',
	+ 600, // item expires after 10 minutes
	+ err => {
	+ if (err) {
	+ return reject(err);
	+ }
	+ return resolve();
	+ },
	+ );
	+ });
	+ }
	+
	+ getChannelInfo(fcChannelID: string): Promise<?NeynarChannel> {
	+ return new Promise((resolve, reject) => {
	+ this.cacheClient.get(`channel:${fcChannelID}`, (err, result) => {
	+ if (err) {
	+ return reject(err);
	+ }
	+ // Reset the expiration when the cached data is successfully retrieved
	+ this.cacheClient.expire(`channel:${fcChannelID}`, 600);
	+ return resolve(result ? JSON.parse(result) : null);
	+ });
	+ });
	+ }
	+}
	+
	+const redisCache: RedisCache = new RedisCache();
	+
	+export { redisCache };