@plugnet/keyring/pair/encode.js

Keyring management

"use strict";

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

var _util = require("@plugnet/util");

var _utilCrypto = require("@plugnet/util-crypto");

var _defaults = require("./defaults");

// Copyright 2017-2019 @polkadot/keyring authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
function encode(_ref, passphrase) {
  let {
    publicKey,
    secretKey
  } = _ref;
  (0, _util.assert)(secretKey, 'Expected a valid secretKey to be passed to encode');
  const encoded = (0, _util.u8aConcat)(_defaults.PKCS8_HEADER, secretKey, _defaults.PKCS8_DIVIDER, publicKey);

  if (!passphrase) {
    return encoded;
  }

  const {
    encrypted,
    nonce
  } = (0, _utilCrypto.naclEncrypt)(encoded, (0, _util.u8aFixLength)((0, _util.stringToU8a)(passphrase), 256, true));
  return (0, _util.u8aConcat)(nonce, encrypted);
}