@aeternity/aepp-sdk/es/account/memory.js

SDK for the æternity blockchain

import _typeof from "@babel/runtime-corejs3/helpers/typeof";
import _asyncToGenerator from "@babel/runtime-corejs3/helpers/asyncToGenerator";
import _regeneratorRuntime from "@babel/runtime-corejs3/regenerator";
import _WeakMap from "@babel/runtime-corejs3/core-js-stable/weak-map";
import _indexOfInstanceProperty from "@babel/runtime-corejs3/core-js-stable/instance/index-of";
import _Promise from "@babel/runtime-corejs3/core-js-stable/promise";

/*
 * ISC License (ISC)
 * Copyright (c) 2018 aeternity developers
 *
 *  Permission to use, copy, modify, and/or distribute this software for any
 *  purpose with or without fee is hereby granted, provided that the above
 *  copyright notice and this permission notice appear in all copies.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
 *  REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 *  AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 *  INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 *  LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 *  OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 *  PERFORMANCE OF THIS SOFTWARE.
 */

/**
 * Memory Account module
 * @module @aeternity/aepp-sdk/es/account/memory
 * @export MemoryAccount
 * @example import { MemoryAccount } from '@aeternity/aepp-sdk'
 */
import AccountBase from './base';
import * as Crypto from '../utils/crypto';
import { isHex } from '../utils/string';
import { decode } from '../tx/builder/helpers';
var secrets = new _WeakMap();

function sign(_x) {
  return _sign.apply(this, arguments);
}

function _sign() {
  _sign = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee(data) {
    return _regeneratorRuntime.wrap(function _callee$(_context2) {
      while (1) {
        switch (_context2.prev = _context2.next) {
          case 0:
            if (!this.isGa) {
              _context2.next = 2;
              break;
            }

            throw new Error('You are trying to sign data using GA account without keypair');

          case 2:
            return _context2.abrupt("return", _Promise.resolve(Crypto.sign(data, secrets.get(this).secretKey)));

          case 3:
          case "end":
            return _context2.stop();
        }
      }
    }, _callee, this);
  }));
  return _sign.apply(this, arguments);
}

function address() {
  return _address.apply(this, arguments);
}

function _address() {
  _address = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee2() {
    var opt,
        _args2 = arguments;
    return _regeneratorRuntime.wrap(function _callee2$(_context3) {
      while (1) {
        switch (_context3.prev = _context3.next) {
          case 0:
            opt = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : {
              format: Crypto.ADDRESS_FORMAT.api
            };
            return _context3.abrupt("return", _Promise.resolve(Crypto.formatAddress(opt.format, secrets.get(this).publicKey)));

          case 2:
          case "end":
            return _context3.stop();
        }
      }
    }, _callee2, this);
  }));
  return _address.apply(this, arguments);
}

function setSecret(keyPair) {
  secrets.set(this, {
    secretKey: Buffer.isBuffer(keyPair.secretKey) ? keyPair.secretKey : Buffer.from(keyPair.secretKey, 'hex'),
    publicKey: keyPair.publicKey
  });
}

function validateKeyPair(keyPair) {
  var _context;

  if (!keyPair || _typeof(keyPair) !== 'object') throw new Error('KeyPair must be an object');
  if (!keyPair.secretKey || !keyPair.publicKey) throw new Error('KeyPair must must have "secretKey", "publicKey" properties');
  if (typeof keyPair.publicKey !== 'string' || _indexOfInstanceProperty(_context = keyPair.publicKey).call(_context, 'ak_') === -1) throw new Error('Public Key must be a base58c string with "ak_" prefix');
  if (!Buffer.isBuffer(keyPair.secretKey) && typeof keyPair.secretKey === 'string' && !isHex(keyPair.secretKey)) throw new Error('Secret key must be hex string or Buffer');
  var pubBuffer = Buffer.from(decode(keyPair.publicKey, 'ak'));
  if (!Crypto.isValidKeypair(Buffer.from(keyPair.secretKey, 'hex'), pubBuffer)) throw new Error('Invalid Key Pair');
}
/**
 * In-memory account stamp
 * @function
 * @alias module:@aeternity/aepp-sdk/es/account/memory
 * @rtype Stamp
 * @param {Object} [options={}] - Initializer object
 * @param {Object} options.keypair - Key pair to use
 * @param {String} options.keypair.publicKey - Public key
 * @param {String} options.keypair.secretKey - Private key
 * @return {Account}
 */


export default AccountBase.compose({
  init: function init(_ref) {
    var keypair = _ref.keypair,
        gaId = _ref.gaId;
    this.isGa = !!gaId;

    if (gaId) {
      if (!Crypto.isAddressValid(gaId)) throw new Error('Invalid GA address');
      secrets.set(this, {
        publicKey: gaId
      });
    } else {
      validateKeyPair(keypair);
      this.setSecret(keypair);
    }
  },
  props: {
    isGa: false
  },
  methods: {
    sign: sign,
    address: address,
    setSecret: setSecret
  }
});
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