@pavlovcik/permit2-rpc-manager/dist/rpc-selector.d.ts

Intelligent RPC manager with Permit2 validation and advanced fallback strategy

import { CacheManager } from "./cache-manager.ts";
import { ChainlistDataSource } from "./chainlist-data-source.ts";
import { LatencyTester } from "./latency-tester.ts";
type LoggerFn = (level: "debug" | "info" | "warn" | "error", message: string, ...optionalParams: any[]) => void;
export declare class RpcSelector {
    private dataSource;
    private cacheManager;
    private latencyTester;
    private log;
    constructor(dataSource: ChainlistDataSource, cacheManager: CacheManager, latencyTester: LatencyTester, logger?: LoggerFn);
    /**
     * Gets a ranked list of available RPC URLs for the given chain ID.
     * Fetches from cache or performs latency tests if needed.
     * Filters out RPCs with error statuses.
     * Sorts the remaining RPCs by status priority (ok > wrong_bytecode > syncing) and then by latency.
     * Ensures only one latency test runs concurrently per chain ID.
     *
     * @param chainId - The chain ID.
     * @returns A promise that resolves to a sorted array of usable RPC URLs.
     */
    getRankedRpcList(chainId: number): Promise<string[]>;
    /**
     * Helper to find the single best RPC from a latency map based on status and latency.
     */
    private _findFastestInMap;
    /**
     * Helper to filter and rank RPC results based on status and latency.
     */
    private _rankResults;
}
export {};
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