import { BlockchainApi } from './Interfaces/BlockchainApi';
/**
 * Blockchain.info Payments API (V2)
 *
 * @link https://www.blockchain.com/api/api_receive
 */
export default class BlockchainPayments {
    /**
     * Webhook callback secret key. Used to validate incoming webhooks.
     *
     * @note You decide the value of this.
     * @link https://www.blockchain.com/api/api_receive
     */
    private readonly webhookSecret?;
    /**
     * Bitcoin BIP 32 wallet xPub
     *
     * @link https://api.blockchain.info/v2/apikey/request/
     * @link https://blog.blockonomics.co/how-to-find-your-xpub-key-with-these-8-popular-bitcoin-wallets-ce8ea665ffdc
     */
    private xpub;
    /**
     * Blockchain.info API Key
     *
     * @link https://api.blockchain.info/v2/apikey/request/
     */
    private readonly apiKey;
    /**
     * Blockchain.info Payments API client.
     */
    private api;
    /**
     * Blockchain Payments constructor
     */
    constructor({ apiKey, xpub, webhookSecret }: ConstructorOptions);
    /**
     * Handle an API request error.
     */
    private handleException;
    /**
     * Prepare querystring, including the API key using the given data.
     */
    private buildQuery;
    /**
     * Create a payment address.
     */
    createAddress(options: Method.Options.createPayment): Promise<BlockchainApi.GenerateAddress.Response>;
    /**
     * Monitor any Bitcoin address for incoming payments.
     */
    watchAddress({ onNotification, confirmations, type, address, webhookUrl, }: Method.Options.monitorAddress): Promise<BlockchainApi.BalanceUpdates.Response>;
    /**
     * Stop address watching for the given watcher ID.
     * IDs are returned by the watchAddress() method's response body.
     */
    stopWatch(id: number): Promise<BlockchainApi.StopBalanceUpdates.Response>;
    /**
     * Update the currently used xPub to the given xPub.
     */
    setXPub(xpub: string): void;
}
/**
 * Options and responses for BlockchainPayments methods.
 */
declare namespace Method {
    namespace Options {
        interface createPayment {
            /**
             * URL to receive notifications whenever you receive a payment to the returned address.
             */
            webhookUrl: string;
        }
        interface monitorAddress {
            /**
             * Bitcoin address to monitor.
             */
            address: BlockchainApi.BalanceUpdates.Request['addr'];
            /**
             * URL to receive notifications on whenever you receive a payment for the submitted address.
             */
            webhookUrl: BlockchainApi.BalanceUpdates.Request['callback'];
            /**
             * Request notification behaviour.
             * Likely whether to keep or end notifying the provided callback URL once the transaction reaches the
             * specified number of confirmations.
             */
            onNotification?: BlockchainApi.BalanceUpdates.Request['onNotification'];
            /**
             * Number of confirmations to wait for before sending a notification to your callback URL.
             * (Default: 3)
             */
            confirmations?: BlockchainApi.BalanceUpdates.Request['confs'];
            /**
             * Address operation (send/receive) you would like to receive notifications for.
             * (Default: 'ALL')
             */
            type?: BlockchainApi.BalanceUpdates.Request['op'];
        }
    }
}
/**
 * BlockchainPayments constructor options.
 */
interface ConstructorOptions {
    xpub: string;
    apiKey: string;
    webhookSecret?: string;
}
export {};