@tetcoin/util/u8a/toBn.js

A collection of useful utilities for @tetcoin

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = u8aToBn;

var _toBn = _interopRequireDefault(require("../hex/toBn"));

var _toHex = _interopRequireDefault(require("./toHex"));

// Copyright 2017-2019 @polkadot/util authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.

/**
 * @name u8aToBn
 * @summary Creates a BN from a Uint8Array object.
 * @description
 * `UInt8Array` input values return the actual BN. `null` or `undefined` values returns an `0x0` value.
 * @param value The value to convert
 * @param options Options to pass while converting
 * @param options.isLe Convert using Little Endian
 * @param options.isNegative Convert using two's complement
 * @example
 * <BR>
 *
 * ```javascript
 * import { u8aToBn } from '@tetcoin/util';
 *
 * u8aToHex(new Uint8Array([0x68, 0x65, 0x6c, 0x6c, 0xf])); // 0x68656c0f
 * ```
 */
function u8aToBn(value) {
  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
    isLe: true,
    isNegative: false
  };
  return (0, _toBn.default)((0, _toHex.default)(value), options);
}