import { AuthToken } from "../types";
export declare const AUTH_TOKEN_EXPIRY_S: number;
/**
 * Decode and verify auth token
 * @param auth the auth token
 * @returns authorised user data
 */
export declare function authenticate(auth: string): AuthToken;
/**
 * Generates a 1-hour valid auth token
 * @param privateKey the 0x hex prefixed standard eth private key
 * @param expiryS the expiry time for the token in seconds
 * @returns auth token for that key
 */
export declare function generateAuthToken(privateKey: string, expiryS?: number): Promise<string>;