'use strict';

export interface BN {
    toString(radix: number): string;
    encode(encoding: string, compact: boolean): Uint8Array;
    toArray(endian: string, width: number): Uint8Array;
}

export interface Signature {
    r: BN,
    s: BN,
    recoveryParam: number
}

export interface KeyPair {
    sign(message: Uint8Array, options: { canonical?: boolean }): Signature;
    getPublic(compressed: boolean, encoding?: string): string;
    getPublic(): BN;
    getPrivate(encoding?: string): string;
    encode(encoding: string, compressed: boolean): string;
    priv: BN;
}

export interface EC {
    constructor(curve: string);

    n: BN;

    keyFromPublic(publicKey: string | Uint8Array): KeyPair;
    keyFromPrivate(privateKey: string | Uint8Array): KeyPair;
    recoverPubKey(data: Uint8Array, signature: { r: Uint8Array, s: Uint8Array }, recoveryParam: number): KeyPair;
}

import * as elliptic from 'elliptic';

export const curve:EC = new elliptic.ec('secp256k1');

//export default secp256k1;