status-react/resources/js/web3_init.js

161 lines
5.0 KiB
JavaScript

if(typeof StatusHttpProvider === "undefined"){
var callbackId = 0;
var callbacks = {};
function bridgeSend(data){
WebViewBridge.send(JSON.stringify(data));
}
window.addEventListener('message', function (event) {
if (!event.data || !event.data.type) { return; }
if (event.data.type === 'STATUS_API_REQUEST') {
bridgeSend({
type: 'status-api-request',
permissions: event.data.permissions,
host: window.location.hostname
});
}
});
WebViewBridge.onMessage = function (message) {
data = JSON.parse(message);
if (data.type === "status-api-success")
{
window.dispatchEvent(new CustomEvent('statusapi', { detail: { permissions: data.keys,
data: data.data
} }));
}
else if (data.type === "web3-send-async-callback")
{
var id = data.messageId;
var callback = callbacks[id];
if (callback) {
if (callback.results)
{
callback.results.push(data.error || data.result);
if (callback.results.length == callback.num)
callback.callback(undefined, callback.results);
}
else
{
callback.callback(data.error, data.result);
}
}
}
else if (data.type === "scan-qr-code-callback")
{
var id = data.data.messageId;
var callback = callbacks[id];
if (callback) {
var result = data.result;
var regex = new RegExp(callback.regex);
if (regex.test(result)) {
if (callback.resolve) {
callback.resolve(result);
}
} else {
if (callback.reject) {
callback.reject(result);
}
}
}
}
};
var StatusHttpProvider = function () {};
StatusHttpProvider.prototype.isStatus = true;
StatusHttpProvider.prototype.isConnected = function () { return true; };
function web3Response (payload, result){
return {id: payload.id,
jsonrpc: "2.0",
result: result};
}
function getSyncResponse (payload) {
if (payload.method == "eth_accounts"){
return web3Response(payload, [currentAccountAddress])
} else if (payload.method == "eth_coinbase"){
return web3Response(payload, currentAccountAddress)
} else if (payload.method == "net_version"){
return web3Response(payload, networkId)
} else if (payload.method == "eth_uninstallFilter"){
return web3Response(payload, true);
} else {
return null;
}
}
StatusHttpProvider.prototype.send = function (payload) {
//TODO to be compatible with MM https://github.com/MetaMask/faq/blob/master/DEVELOPERS.md#dizzy-all-async---think-of-metamask-as-a-light-client
if (payload.method == "eth_uninstallFilter"){
this.sendAsync(payload, function (res, err) {})
}
var syncResponse = getSyncResponse(payload);
if (syncResponse){
return syncResponse;
} else {
alert('You tried to send "' + payload.method + '" synchronously. Synchronous requests are not supported, sorry.');
return null;
}
};
StatusHttpProvider.prototype.sendAsync = function (payload, callback) {
var syncResponse = getSyncResponse(payload);
if (syncResponse && callback){
callback(null, syncResponse);
}
else {
var messageId = callbackId++;
if (Array.isArray(payload))
{
callbacks[messageId] = {num: payload.length,
results: [],
callback: callback};
for (var i in payload) {
bridgeSend({type: 'web3-send-async',
messageId: messageId,
payload: payload[i]});
}
}
else
{
callbacks[messageId] = {callback: callback};
bridgeSend({type: 'web3-send-async',
messageId: messageId,
payload: payload});
}
}
};
StatusHttpProvider.prototype.scanQRCode = function (regex) {
return new Promise(function (resolve, reject) {
var messageId = callbackId++;
callbacks[messageId] = {resolve: resolve, reject: reject, regex: regex};
bridgeSend({type: 'scan-qr-code',
messageId: messageId});
});
};
StatusHttpProvider.prototype.enable = function () {
return new Promise(function (resolve, reject) { setTimeout(resolve, 1000);});
};
}
var protocol = window.location.protocol
if (typeof web3 === "undefined") {
//why do we need this condition?
if (protocol == "https:" || protocol == "http:") {
console.log("StatusHttpProvider");
ethereum = new StatusHttpProvider();
web3 = new Web3(ethereum);
web3.eth.defaultAccount = currentAccountAddress;
}
}