/**
 * encoding.js
 *
 * This NPM module provide encoding and decoding utilities for interacting with
 * dFusion smart contracts where manual byte encoding was needed because of
 * solidity ABI limitations.
 */
import BN from "bn.js";
export interface Order<T = BN> {
    user: string;
    sellTokenBalance: T;
    buyToken: number;
    sellToken: number;
    validFrom: number;
    validUntil: number;
    priceNumerator: T;
    priceDenominator: T;
    remainingAmount: T;
}
export interface IndexedOrder<T = BN> extends Order<T> {
    orderId: number;
}
/**
 * Decodes a byte-encoded variable length array of orders. This can be used to
 * decode the result of `BatchExchange.getEncodedUserOrders` and
 * `BatchExchange.getEncodedOrders`.
 */
export declare function decodeOrders(bytes: string | null): Order<BN>[];
/**
 * Decodes a byte-encoded variable length array of orders and their indices.
 * This can be used to decode the result of `BatchExchangeViewer.getOpenOrderBook` and
 * `BatchExchangeViewer.getFinalizedOrderBook`.
 */
export declare function decodeIndexedOrders(bytes: string | null): IndexedOrder<BN>[];
declare type EncodableInt = string | {
    toString(base: number): string;
};
/**
 * Encodes an array of orders into a `Uint8Array` of bytes. This uses the same
 * format as `BatchExchange.getEncodedOrders`.
 */
export declare function encodeOrders<T extends EncodableInt>(orders: Order<T>[]): Uint8Array;
/**
 * Encodes an array of indexed orders into a `Uint8Array` of bytes. This uses
 * the same format as `BatchExchangeViewer.getFilteredOrderBook`.
 */
export declare function encodeIndexedOrders<T extends EncodableInt>(orders: IndexedOrder<T>[]): Uint8Array;
export {};