import { CacheEntry } from '../types/interfaces';
class WalletCache {
private cache: Map<string, CacheEntry>;
private static instance: WalletCache;
private constructor() {
this.cache = new Map();
}
public static getInstance(): WalletCache {
if (!WalletCache.instance) {
WalletCache.instance = new WalletCache();
}
return WalletCache.instance;
}
public get(key: string): CacheEntry | undefined {
return this.cache.get(key);
}
public set(key: string, value: CacheEntry): void {
this.cache.set(key, value);
}
public has(key: string): boolean {
return this.cache.has(key);
}
public isStale(key: string, maxAge: number = 5 * 60 * 1000): boolean {
const entry = this.cache.get(key);
if (!entry) return true;
return Date.now() - entry.lastUpdated > maxAge;
}
}
export const walletCache = WalletCache.getInstance();
