72 lines
2.4 KiB
JavaScript
72 lines
2.4 KiB
JavaScript
let errorMsgNoMetamaskAccount = `You haven't chosen any account in MetaMask.
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Please, choose your initial key in MetaMask and reload the page.
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Check POA Network <a href='https://github.com/oraclesorg/oracles-wiki' target='blank'>wiki</a> for more info.`;
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function generateElement(msg){
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let errorNode = document.createElement("div");
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errorNode.innerHTML = `<div>
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${msg}
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</div>`;
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return errorNode;
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}
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let getWeb3 = () => {
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return new Promise(function (resolve, reject) {
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// Wait for loading completion to avoid race conditions with web3 injection timing.
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window.addEventListener('load', function () {
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var results
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var web3 = window.web3
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// Checking if Web3 has been injected by the browser (Mist/MetaMask)
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if (typeof web3 !== 'undefined') {
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// Use Mist/MetaMask's provider.
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var errorMsg = null;
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web3 = new window.Web3(web3.currentProvider)
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web3.version.getNetwork((err, netId) => {
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let netIdName;
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switch (netId) {
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case "77":
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netIdName = 'Sokol'
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console.log('This is sokol')
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break
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case "99":
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netIdName = 'Core'
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console.log('This is Core')
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break
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default:
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netIdName = 'ERROR'
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errorMsg = `You aren't connected to POA Network.
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Please, switch on Oracles plugin and refresh the page.
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Check POA Network <a href='https://github.com/oraclesorg/oracles-wiki' target='blank'>wiki</a> for more info.`
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console.log('This is an unknown network.', netId)
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}
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results = {
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web3Instance: web3,
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netIdName,
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netId,
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injectedWeb3: true
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}
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document.title = `${netIdName} - Dapp Keys Generation`
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var defaultAccount = web3.eth.defaultAccount || null;
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if(defaultAccount === null){
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reject({msg: errorMsgNoMetamaskAccount, node: generateElement(errorMsgNoMetamaskAccount)})
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}
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if(errorMsg !== null){
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reject({msg: errorMsg, node: generateElement(errorMsg)})
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}
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resolve(results)
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})
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console.log('Injected web3 detected.');
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} else {
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reject({msg: errorMsgNoMetamaskAccount, node: generateElement(errorMsgNoMetamaskAccount)})
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console.error('Metamask not found');
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}
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})
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})
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}
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export default getWeb3
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