320 lines
11 KiB
JavaScript
320 lines
11 KiB
JavaScript
(function(){
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if(typeof EthereumProvider === "undefined"){
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var callbackId = 0;
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var callbacks = {};
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var bridgeSend = function (data) {
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ReactNativeWebView.postMessage(JSON.stringify(data));
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}
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var history = window.history;
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var pushState = history.pushState;
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history.pushState = function(state) {
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setTimeout(function () {
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bridgeSend({
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type: 'history-state-changed',
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navState: { url: location.href, title: document.title }
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});
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}, 100);
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return pushState.apply(history, arguments);
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};
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function sendAPIrequest(permission, params) {
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var messageId = callbackId++;
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var params = params || {};
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bridgeSend({
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type: 'api-request',
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permission: permission,
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messageId: messageId,
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params: params
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});
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return new Promise(function (resolve, reject) {
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params['resolve'] = resolve;
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params['reject'] = reject;
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callbacks[messageId] = params;
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});
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}
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function qrCodeResponse(data, callback){
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var result = data.data;
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var regex = new RegExp(callback.regex);
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if (!result) {
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if (callback.reject) {
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callback.reject(new Error("Cancelled"));
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}
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}
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else if (regex.test(result)) {
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if (callback.resolve) {
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callback.resolve(result);
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}
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} else {
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if (callback.reject) {
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callback.reject(new Error("Doesn't match"));
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}
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}
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}
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function Unauthorized() {
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this.name = "Unauthorized";
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this.id = 4100;
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this.code = 4100;
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this.message = "The requested method and/or account has not been authorized by the user.";
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}
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Unauthorized.prototype = Object.create(Error.prototype);
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function UserRejectedRequest() {
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this.name = "UserRejectedRequest";
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this.id = 4001;
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this.code = 4001;
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this.message = "The user rejected the request.";
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}
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UserRejectedRequest.prototype = Object.create(Error.prototype);
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ReactNativeWebView.onMessage = function (message)
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{
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data = JSON.parse(message);
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var id = data.messageId;
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var callback = callbacks[id];
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if (callback) {
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if (data.type === "api-response") {
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if (data.permission == 'qr-code'){
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qrCodeResponse(data, callback);
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} else if (data.isAllowed) {
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if (data.permission == 'web3') {
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var selectedAddress = data.data[0]
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window.statusAppcurrentAccountAddress = selectedAddress;
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// Set deprecated metamask fields
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window.ethereum.selectedAddress = selectedAddress;
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window.ethereum.emit("accountsChanged", data.data);
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}
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callback.resolve(data.data);
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} else {
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callback.reject(new UserRejectedRequest());
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}
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}
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else if (data.type === "web3-send-async-callback")
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{
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if (callback.beta)
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{
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if (data.error)
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{
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if (data.error.code == 4100)
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callback.reject(new Unauthorized());
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else
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callback.reject(data.error);
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}
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else
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{
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if (window.statusAppDebug) { console.log("resolve " + callback.method + " :" + JSON.stringify(data.result.result)); }
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callback.resolve(data.result.result);
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}
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}
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else if (callback.results)
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{
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callback.results.push(data.error || data.result);
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if (callback.results.length == callback.num)
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callback.callback(undefined, callback.results);
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}
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else
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{
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callback.callback(data.error, data.result);
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}
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}
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}
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};
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function web3Response (payload, result){
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return {id: payload.id,
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jsonrpc: "2.0",
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result: result};
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}
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function getSyncResponse (payload) {
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if (payload.method == "eth_accounts" && (typeof window.statusAppcurrentAccountAddress !== "undefined")) {
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return web3Response(payload, [window.statusAppcurrentAccountAddress])
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} else if (payload.method == "eth_coinbase" && (typeof window.statusAppcurrentAccountAddress !== "undefined")) {
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return web3Response(payload, window.statusAppcurrentAccountAddress)
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} else if (payload.method == "net_version"){
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return web3Response(payload, window.statusAppNetworkId)
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} else if (payload.method == "eth_chainId"){
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return web3Response(payload, "0x" + Number(window.statusAppNetworkId).toString(16))
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} else if (payload.method == "eth_uninstallFilter"){
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return web3Response(payload, true);
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} else {
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return null;
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}
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}
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var StatusAPI = function () {};
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StatusAPI.prototype.getContactCode = function () {
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return sendAPIrequest('contact-code');
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};
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var EthereumProvider = function () {};
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EthereumProvider.prototype.isStatus = true;
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EthereumProvider.prototype.status = new StatusAPI();
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EthereumProvider.prototype.isConnected = function () { return true; };
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// Set legacy metamask fields https://docs.metamask.io/guide/ethereum-provider.html#legacy-api
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EthereumProvider.prototype.networkVersion = window.statusAppNetworkId;
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EthereumProvider.prototype.chainId = "0x" + Number(window.statusAppNetworkId).toString(16);
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EthereumProvider.prototype._events = {};
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EthereumProvider.prototype.on = function(name, listener) {
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if (!this._events[name]) {
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this._events[name] = [];
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}
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this._events[name].push(listener);
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}
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EthereumProvider.prototype.removeListener = function (name, listenerToRemove) {
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if (!this._events[name]) {
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return
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}
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const filterListeners = (listener) => listener !== listenerToRemove;
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this._events[name] = this._events[name].filter(filterListeners);
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}
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EthereumProvider.prototype.removeAllListeners = function () {
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this._events = {};
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}
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EthereumProvider.prototype.emit = function (name, data) {
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if (!this._events[name]) {
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return
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}
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this._events[name].forEach(cb => {
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// Fixes: https://github.com/status-im/status-react/issues/13642
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// Metamask also errors on the same issue, but it's using https://github.com/MetaMask/safe-event-emitter and therefore the dapp still works
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try{
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cb(data)
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} catch(e){
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setTimeout((()=>{throw e}))
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}});
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}
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EthereumProvider.prototype.enable = function () {
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if (window.statusAppDebug) { console.log("enable"); }
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return sendAPIrequest('web3');
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};
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EthereumProvider.prototype.scanQRCode = function (regex) {
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return sendAPIrequest('qr-code', {regex: regex});
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};
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EthereumProvider.prototype.request = function (requestArguments)
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{
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if (window.statusAppDebug) { console.log("request: " + JSON.stringify(requestArguments)); }
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if (!requestArguments) {
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return new Error('Request is not valid.');
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}
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var method = requestArguments.method;
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if (!method) {
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return new Error('Request is not valid.');
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}
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//Support for legacy send method
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if (typeof method !== 'string') {
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return this.sendSync(method);
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}
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if (method == 'eth_requestAccounts'){
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return sendAPIrequest('web3');
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}
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var syncResponse = getSyncResponse({method: method});
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if (syncResponse){
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return new Promise(function (resolve, reject) {
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if (window.statusAppDebug) { console.log("resolve sync: " + resolve + " " + JSON.stringify(syncResponse.result)); }
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resolve(syncResponse.result);
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});
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}
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var messageId = callbackId++;
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var payload = {id: messageId,
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jsonrpc: "2.0",
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method: method,
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params: requestArguments.params};
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bridgeSend({type: 'web3-send-async-read-only',
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messageId: messageId,
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payload: payload});
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return new Promise(function (resolve, reject) {
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callbacks[messageId] = {beta: true,
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method: method,
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resolve: resolve,
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reject: reject};
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});
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};
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// (DEPRECATED) Support for legacy send method
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EthereumProvider.prototype.send = function (method, params = [])
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{
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if (window.statusAppDebug) { console.log("send (legacy): " + method);}
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return this.request({method: method, params: params});
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}
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// (DEPRECATED) Support for legacy sendSync method
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EthereumProvider.prototype.sendSync = function (payload)
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{
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if (window.statusAppDebug) { console.log("sendSync (legacy)" + JSON.stringify(payload));}
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if (payload.method == "eth_uninstallFilter"){
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this.sendAsync(payload, function (res, err) {})
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}
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var syncResponse = getSyncResponse(payload);
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if (syncResponse){
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return syncResponse;
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} else {
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return web3Response(payload, null);
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}
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};
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// (DEPRECATED) Support for legacy sendAsync method
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EthereumProvider.prototype.sendAsync = function (payload, callback)
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{
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if (window.statusAppDebug) { console.log("sendAsync (legacy)" + JSON.stringify(payload));}
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if (!payload) {
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return new Error('Request is not valid.');
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}
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if (payload.method == 'eth_requestAccounts'){
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return sendAPIrequest('web3');
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}
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var syncResponse = getSyncResponse(payload);
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if (syncResponse && callback) {
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callback(null, syncResponse);
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}
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else
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{
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var messageId = callbackId++;
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if (Array.isArray(payload))
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{
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callbacks[messageId] = {num: payload.length,
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results: [],
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callback: callback};
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for (var i in payload) {
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bridgeSend({type: 'web3-send-async-read-only',
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messageId: messageId,
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payload: payload[i]});
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}
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}
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else
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{
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callbacks[messageId] = {callback: callback};
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bridgeSend({type: 'web3-send-async-read-only',
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messageId: messageId,
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payload: payload});
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}
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}
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};
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}
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window.ethereum = new EthereumProvider();
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})();
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