chaingate/dist/utils/TTLCache.js

Multi-chain cryptocurrency SDK for TypeScript — unified API for Bitcoin, Ethereum, Litecoin, Dogecoin, Bitcoin Cash, Polygon, Arbitrum, and any EVM-compatible chain. Create wallets, query balances, send transactions, and manage tokens and NFTs across UTXO

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TTLCache = void 0;
class TTLCache {
    constructor(fn, ttl) {
        this.fn = fn;
        this.ttl = ttl;
        this.cache = null;
        this.lastUpdate = null;
    }
    async fetch() {
        // Refresh if cache is empty or TTL has expired
        if (!this.lastUpdate || Date.now() > this.lastUpdate + this.ttl) {
            const result = await this.fn();
            this.cache = result;
            this.lastUpdate = Date.now();
            return result;
        }
        return this.cache;
    }
}
exports.TTLCache = TTLCache;