// web3 can come injected from a browser plugin or remote access to a public node

var web3Interface;

// What type is this one? (Injected, Remote, Enabled)

var web3Injected = false;

var web3Remote = false;

var web3Enable = false;

var web3Ver = "";

var web3Network = "";

window.addEventListener('load', function() {

console.log("Looking for web3");

if (window.ethereum) {

console.log("Using new etheruem with enable");

web3Interface.web3 = new Web3(ethereum);

web3Injected=true;

web3Enable = true;

}

else if (typeof window.web3 !== 'undefined') {

console.log('Using wallet web3');

// use the web3 provider inserted into the browser

web3Interface = new Web3(window.web3.currentProvider);

web3Injected=true;

}

else {

console.log('Loading web3 javascript and connecting to node');

//const Web3 = require('web3')

// Use the infura open node for web3

web3Interface = new Web3(new Web3.providers.HttpProvider('https://rinkeby.infura.io/Oi8SElNW8FHvmOFIzVUs'));

web3Remote=true;

}

// Find the version of the ethereum node we are connected to

web3Interface.version.getNode(function(error, result){

if(!error) {

console.log('Web3 version',result);

web3Ver=result;

}

else {

console.log('Error calling getNode',error);

web3Ver=error;

}

});

// What network does this provider connect to

web3Interface.version.getNetwork(function(error, result){

if(!error) {

console.log('Web3 network',result);

web3Network=result;

}

else {

console.log('Error calling getetwork',error);

web3Network=error;

}

});

});