export interface PMTGatewayConfig {
    publicKey: string;
    apiUrl?: string;
    environment?: 'test' | 'live';
    debug?: boolean;
}
export interface PaymentIntent {
    id: string;
    amount: number;
    currency: string;
    crypto_amount: string;
    crypto_currency: string;
    status: PaymentStatus;
    wallet_address?: string;
    transaction_hash?: string;
    expires_at: string;
    metadata?: Record<string, any>;
    created_at: string;
}
export type PaymentStatus = 'REQUIRES_PAYMENT' | 'PROCESSING' | 'SUCCEEDED' | 'FAILED' | 'CANCELED' | 'EXPIRED';
export interface CreatePaymentIntentRequest {
    amount: number;
    currency: string;
    crypto_currency?: 'dot' | 'dot-stablecoin';
    metadata?: Record<string, any>;
}
export interface WalletConnection {
    address: string;
    source: string;
    name?: string;
    version?: string;
}
export interface WalletAuthChallenge {
    message: string;
    nonce: string;
    timestamp: number;
}
export interface SupportedWallet {
    id: string;
    name: string;
    icon: string;
    downloadUrl: string;
}
export interface PaymentEvent {
    type: 'payment.succeeded' | 'payment.failed' | 'payment.canceled' | 'payment.expired' | 'payment.processing';
    paymentIntent: PaymentIntent;
}
export type PaymentEventHandler = (event: PaymentEvent) => void;
export interface PaymentWidgetConfig {
    container: string | HTMLElement;
    paymentIntent: string | PaymentIntent;
    onSuccess?: PaymentEventHandler;
    onError?: (error: Error) => void;
    onCancel?: () => void;
    theme?: PaymentWidgetTheme;
    locale?: string;
}
export interface PaymentWidgetTheme {
    primaryColor?: string;
    secondaryColor?: string;
    backgroundColor?: string;
    textColor?: string;
    borderRadius?: string;
    fontFamily?: string;
}
export interface ApiResponse<T = any> {
    success: boolean;
    data?: T;
    error?: {
        code: string;
        message: string;
        details?: Record<string, any>;
    };
    meta?: {
        timestamp: string;
        request_id: string;
    };
}
export declare class PMTGatewayError extends Error {
    code: string;
    details?: Record<string, any>;
    constructor(message: string, code: string, details?: Record<string, any>);
}
export interface WidgetState {
    isLoading: boolean;
    isConnected: boolean;
    currentStep: 'select-wallet' | 'connect-wallet' | 'confirm-payment' | 'processing' | 'success' | 'error';
    error?: string;
    paymentIntent?: PaymentIntent;
    walletConnection?: WalletConnection;
}
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