import { KJUR } from 'jsrsasign';
import { TickedIds } from '..';
/**
 * Encodes the payload and the signature into the expected QR code payload
 *
 * @param payload JSON stringified payload
 * @param signatureHex Hex encoded signature of the payload
 * @returns base 45 encoded string
 */
export declare function encodeQrPayload(payload: string, signatureHex: string): string;
/**
 * Decode a base 45 encoded QR code payload
 *
 * @param encodedPayload what you scanned from the QR code
 * @returns payload and its signature
 */
export declare function decodeQrPayload(encodedPayload: string): {
    payload: string;
    signature: string;
};
/**
 * Signs and encodes ticket data into the string which will be put in the QR code
 *
 * @param eventId event to which the ticket belongs
 * @param ticketConfigId ticket config of the ticket
 * @param sequenceNumber the serial number of the ticket
 * @param privateKey the private key which is used to sign the ticket
 * @returns string to display as a tickets QR code
 */
export declare function createQrPayloadForTicket(eventId: number, ticketConfigId: number, sequenceNumber: number, privateKey: string | KJUR.crypto.ECDSA): string;
/**
 * Decodes, verifies the signature of the QR code payload and constructs the blockchain
 * function call to invalidate the ticket
 *
 * @param qrCodePayload content of the QR code
 * @param invalidationDate the time at which the ticket was scanned
 * @param publicKey key used to verify the ticket signature, if specified
 * @returns blockchain function call for ticket invalidation
 * @throws Error if the signature does not match the payload
 */
export declare function qrToTicketInvalidateCall(qrCodePayload: string, invalidationDate: Date, publicKey?: string | KJUR.crypto.ECDSA): import("..").BlockchainFunctionParams<import("..").InvalidateTicket>;
/**
 * Decodes and verifies the signature of the QR code payload and returns the IDs
 *
 * @param qrCodePayload content of the QR code
 * @param publicKey key used to verify the ticket signature, if specified
 * @returns ticket IDs
 * @throws Error if the signature does not match the payload
 */
export declare function qrToTicketData(qrCodePayload: string, publicKey?: string | KJUR.crypto.ECDSA): TickedIds;
//# sourceMappingURL=qr.d.ts.map