123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228 |
- var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = exports.InjectedEvents = void 0;
- var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
- var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
- var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
- var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
- var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
- var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
- var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
- var _wrapNativeSuper2 = _interopRequireDefault(require("@babel/runtime/helpers/wrapNativeSuper"));
- var _AbstractWeb3Connector = _interopRequireDefault(require("./AbstractWeb3Connector"));
- var _events = _interopRequireDefault(require("events"));
- var _verifyChainId = _interopRequireDefault(require("../utils/verifyChainId"));
- function _createSuper(Derived) {
- var hasNativeReflectConstruct = _isNativeReflectConstruct();
- return function () {
- var Super = (0, _getPrototypeOf2.default)(Derived),
- result;
- if (hasNativeReflectConstruct) {
- var NewTarget = (0, _getPrototypeOf2.default)(this).constructor;
- result = Reflect.construct(Super, arguments, NewTarget);
- } else {
- result = Super.apply(this, arguments);
- }
- return (0, _possibleConstructorReturn2.default)(this, result);
- };
- }
- function _isNativeReflectConstruct() {
- if (typeof Reflect === "undefined" || !Reflect.construct) return false;
- if (Reflect.construct.sham) return false;
- if (typeof Proxy === "function") return true;
- try {
- Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
- return true;
- } catch (e) {
- return false;
- }
- }
- var InjectedEvents = Object.freeze({
- ACCOUNTS_CHANGED: 'accountsChanged',
- CHAIN_CHANGED: 'chainChanged',
- CONNECT: 'connect',
- DISCONNECT: 'disconnect'
- });
- exports.InjectedEvents = InjectedEvents;
- var NoEthereumProviderError = function (_Error) {
- (0, _inherits2.default)(NoEthereumProviderError, _Error);
- var _super = _createSuper(NoEthereumProviderError);
- function NoEthereumProviderError() {
- var _this;
- (0, _classCallCheck2.default)(this, NoEthereumProviderError);
- _this = _super.call(this);
- _this.message = 'Non ethereum enabled browser';
- return _this;
- }
- return (0, _createClass2.default)(NoEthereumProviderError);
- }((0, _wrapNativeSuper2.default)(Error));
- var InjectedWeb3Connector = function (_AbstractWeb3Connecto) {
- (0, _inherits2.default)(InjectedWeb3Connector, _AbstractWeb3Connecto);
- var _super2 = _createSuper(InjectedWeb3Connector);
- function InjectedWeb3Connector() {
- var _this2;
- (0, _classCallCheck2.default)(this, InjectedWeb3Connector);
- for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
- args[_key] = arguments[_key];
- }
- _this2 = _super2.call.apply(_super2, [this].concat(args));
- _this2.type = 'injected';
- return _this2;
- }
- (0, _createClass2.default)(InjectedWeb3Connector, [{
- key: "verifyEthereumBrowser",
- value: function () {
- var _window;
- if (!((_window = window) != null && _window.ethereum)) {
- throw new NoEthereumProviderError();
- }
- }
- }, {
- key: "activate",
- value: function () {
- var _await$Promise$all, _await$Promise$all2, accounts, chainId, account, provider;
- return _regenerator.default.async(function (_context) {
- while (1) {
- switch (_context.prev = _context.next) {
- case 0:
- this.verifyEthereumBrowser();
- _context.next = 3;
- return _regenerator.default.awrap(Promise.all([window.ethereum.request({
- method: 'eth_requestAccounts'
- }), window.ethereum.request({
- method: 'eth_chainId'
- })]));
- case 3:
- _await$Promise$all = _context.sent;
- _await$Promise$all2 = (0, _slicedToArray2.default)(_await$Promise$all, 2);
- accounts = _await$Promise$all2[0];
- chainId = _await$Promise$all2[1];
- account = accounts[0] ? accounts[0].toLowerCase() : null;
- provider = window.ethereum;
- this.chainId = chainId;
- this.account = account;
- this.provider = provider;
- this.subscribeToEvents(provider);
- return _context.abrupt("return", {
- provider: provider,
- chainId: chainId,
- account: account
- });
- case 14:
- case "end":
- return _context.stop();
- }
- }
- }, null, this, null, Promise);
- }
- }, {
- key: "switchNetwork",
- value: function (chainId) {
- var currentNetwork;
- return _regenerator.default.async(function (_context2) {
- while (1) {
- switch (_context2.prev = _context2.next) {
- case 0:
- this.verifyEthereumBrowser();
- chainId = (0, _verifyChainId.default)(chainId);
- currentNetwork = this.chainId;
- if (!(currentNetwork === chainId)) {
- _context2.next = 5;
- break;
- }
- return _context2.abrupt("return");
- case 5:
- _context2.next = 7;
- return _regenerator.default.awrap(window.ethereum.request({
- method: 'wallet_switchEthereumChain',
- params: [{
- chainId: chainId
- }]
- }));
- case 7:
- case "end":
- return _context2.stop();
- }
- }
- }, null, this, null, Promise);
- }
- }, {
- key: "addNetwork",
- value: function (chainId, chainName, currencyName, currencySymbol, rpcUrl, blockExplorerUrl) {
- var newchainId;
- return _regenerator.default.async(function (_context3) {
- while (1) {
- switch (_context3.prev = _context3.next) {
- case 0:
- this.verifyEthereumBrowser();
- newchainId = (0, _verifyChainId.default)(chainId);
- _context3.next = 4;
- return _regenerator.default.awrap(window.ethereum.request({
- method: 'wallet_addEthereumChain',
- params: [{
- chainId: newchainId,
- chainName: chainName,
- nativeCurrency: {
- name: currencyName,
- symbol: currencySymbol,
- decimals: 18
- },
- rpcUrls: [rpcUrl],
- blockExplorerUrls: blockExplorerUrl ? [blockExplorerUrl] : null
- }]
- }));
- case 4:
- case "end":
- return _context3.stop();
- }
- }
- }, null, this, null, Promise);
- }
- }]);
- return InjectedWeb3Connector;
- }(_AbstractWeb3Connector.default);
- var _default = InjectedWeb3Connector;
- exports.default = _default;
|