import BigNumber from "bignumber.js";
import { IBlockData } from "./models";
import { ITransactionData } from "./transactions/interfaces";
declare class Bignum extends BigNumber {
    static readonly ZERO: BigNumber;
    static readonly ONE: BigNumber;
}
/**
 * Get human readable string from satoshis
 */
export declare function formatSatoshi(amount: Bignum | number | string): string;
/**
 * Check if the given block or transaction id is an exception.
 */
export declare function isException(blockOrTransaction: IBlockData | ITransactionData): boolean;
/**
 * Sort transactions by type, then id.
 */
export declare function sortTransactions(transactions: ITransactionData[]): ITransactionData[];
export declare const isGenesisTransaction: (id: string) => boolean;
export declare const maxVendorFieldLength: (height?: number) => number;
export { Bignum };