next-l402/dist/cache.js

Lightning Network HTTP 402 Payment Required protocol implementation for Next.js applications

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.l402Cache = void 0;
const node_cache_1 = __importDefault(require("node-cache"));
/**
 * Cache for storing L402 sessions by payment hash
 * TTL: 1 hour (3600 seconds)
 */
class L402Cache {
    constructor(ttlSeconds = 3600) {
        this.cache = new node_cache_1.default({
            stdTTL: ttlSeconds,
            checkperiod: 600, // Check for expired keys every 10 minutes
            useClones: false, // Don't clone objects for better performance
        });
    }
    /**
     * Store an L402 session by payment hash
     */
    setSession(paymentHash, session) {
        this.cache.set(paymentHash, session);
    }
    /**
     * Retrieve an L402 session by payment hash
     */
    getSession(paymentHash) {
        return this.cache.get(paymentHash);
    }
    /**
     * Remove an L402 session
     */
    removeSession(paymentHash) {
        this.cache.del(paymentHash);
    }
    /**
     * Get cache statistics
     */
    getStats() {
        return this.cache.getStats();
    }
    /**
     * Store a cached challenge for a route
     */
    setCachedChallenge(routeKey, challenge) {
        this.cache.set(`challenge:${routeKey}`, challenge);
    }
    /**
     * Get a cached challenge for a route
     */
    getCachedChallenge(routeKey) {
        return this.cache.get(`challenge:${routeKey}`);
    }
    /**
     * Clear all sessions (for testing)
     */
    clear() {
        this.cache.flushAll();
    }
}
// Global cache instance
exports.l402Cache = new L402Cache();
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