/**
 * Payment Service
 *
 * Simplified service for direct payments on Asset Hub
 * No escrow, no IPFS - just simple direct transfers
 */
import EventEmitter from 'eventemitter3';
import type { AssetHubService } from './asset-hub.service';
import type { Logger } from './logger.service';
import type { PaymentIntent, CreatePaymentParams, PaymentVerificationResult, PaymentLink, CreatePaymentLinkParams } from '../types/payment.types';
import type { RetryPolicy } from '../pmt-gateway-assethub';
export interface PaymentServiceConfig {
    storagePrefix: string;
    instanceId: string;
    encryptStorage: boolean;
    enableRateLimiting: boolean;
    transactionTimeout: number;
    retryPolicy: RetryPolicy;
}
/**
 * Payment Service
 *
 * Handles direct payment transfers on Asset Hub
 */
export declare class PaymentService extends EventEmitter {
    private assetHub;
    private payments;
    private paymentLinks;
    private logger;
    private config;
    private rateLimiter?;
    private get storageKey();
    private get linksStorageKey();
    constructor(assetHub: AssetHubService, logger: Logger, config: PaymentServiceConfig);
    /**
     * Create a payment intent
     *
     * This creates a payment record but doesn't execute the transfer yet
     */
    createPayment(params: CreatePaymentParams): Promise<PaymentIntent>;
    /**
     * Execute a payment (direct transfer)
     */
    executePayment(paymentId: string): Promise<void>;
    /**
     * Get a payment by ID
     */
    getPayment(paymentId: string): PaymentIntent | undefined;
    /**
     * Get all payments
     */
    getAllPayments(): PaymentIntent[];
    /**
     * Get payments for a merchant
     */
    getMerchantPayments(merchantAddress: string): PaymentIntent[];
    /**
     * Get payments for a buyer
     */
    getBuyerPayments(buyerAddress: string): PaymentIntent[];
    /**
     * Cancel a payment (only if not executed)
     */
    cancelPayment(paymentId: string): Promise<void>;
    /**
     * Verify a payment on-chain
     *
     * This method queries Asset Hub to verify that:
     * 1. The transaction exists and is finalized
     * 2. The transfer matches the payment details
     * 3. The amount is correct
     * 4. The recipient is correct
     *
     * @param paymentId - Payment ID to verify
     * @returns Verification result with on-chain data
     */
    verifyPayment(paymentId: string): Promise<PaymentVerificationResult>;
    /**
     * Clear all payments (for testing)
     */
    clearAll(): void;
    /**
     * Create a payment link
     *
     * Payment links allow merchants to accept payments without coding.
     * Users can visit the link URL and pay directly.
     *
     * @param params - Payment link parameters
     * @returns Payment link with unique ID and shareable URL
     *
     * @example
     * ```typescript
     * const link = await gateway.createPaymentLink({
     *   merchant: '5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty',
     *   amount: '10.5', // 10.5 DOT
     *   description: 'Premium subscription',
     *   successUrl: 'https://mysite.com/success',
     * });
     *
     * // Share the link
     * const url = gateway.getPaymentLinkUrl(link.id);
     * console.log('Share this URL:', url);
     * ```
     */
    createPaymentLink(params: CreatePaymentLinkParams): PaymentLink;
    /**
     * Get a payment link by ID
     */
    getPaymentLink(linkId: string): PaymentLink | undefined;
    /**
     * Get all payment links for a merchant
     */
    getMerchantPaymentLinks(merchantAddress: string): PaymentLink[];
    /**
     * Get all payment links
     */
    getAllPaymentLinks(): PaymentLink[];
    /**
     * Deactivate a payment link
     */
    deactivatePaymentLink(linkId: string): void;
    /**
     * Get the shareable URL for a payment link
     */
    getPaymentLinkUrl(linkId: string, baseUrl?: string): string;
    /**
     * Create payment from link
     *
     * This is used by the checkout page to create an actual payment from a link
     */
    createPaymentFromLink(linkId: string, customAmount?: string): Promise<PaymentIntent>;
    private generatePaymentId;
    private generateLinkId;
    private getNetworkFromApi;
    private getNetworkCurrency;
    private dotToPlanck;
    private planckToDot;
    private saveToStorage;
    private loadFromStorage;
    private saveLinksToStorage;
    private loadLinksFromStorage;
}
//# sourceMappingURL=payment.service.d.ts.map