duartefdias

    # # C1: Each room can only hold 1 class at a time
    def check_C1(self, A, a, B, b):
        if a[0] == b[0] and a[1] == b[1] and a[2] == b[2]:
            return False
        return True
        

    # # C2: Each student (class) can only attend a class at a time
    def check_C2(self, A, a, B, b):
        for key in dict1:

duartefdias

on: [workflow_dispatch]

name: DeployAzureVM

jobs:

  CreateAzureVM:
    runs-on: windows-latest
    
    steps:

duartefdias

# Login to Azure using Service Principal credentials from Github Secrets
Write-Output "Logging in to Azure with a service principal..."
az login `
    --service-principal `
    --username $Env:SP_CLIENT_ID `
    --password $Env:SP_CLIENT_SECRET `
    --tenant $Env:SP_TENANT_ID
Write-Output "Done"

# Select Azure subscription

duartefdias

<script>
import Web3 from 'web3'

export default ({
  data() {
    return {
      buttonDisabled: false,
      buttonInstallText: "Click here to install Metamask",
    }
  },

duartefdias

var express = require('express');
var router = express.Router();

// Used to perfrom signature authentication
var ethUtil = require('ethereumjs-util');

// JWT generation and verification
const jwt = require('jsonwebtoken');
import passport from 'passport'

duartefdias

const JwtStrategy = require('passport-jwt').Strategy;
const ExtractJwt = require('passport-jwt').ExtractJwt;
const mongoose = require('mongoose');
import User from '../models/users';

const opts = {};
opts.jwtFromRequest = ExtractJwt.fromAuthHeaderAsBearerToken();
opts.secretOrKey = process.env.JWT_SECRET;

module.exports = passport => {

duartefdias

// Test authenticated route
// Use this route to test if the front-end is able to access this route 
// Front-end needs to pass the token in the request header (header name: "Authorization")
router.get('/authenticated/test', passport.authenticate('jwt', { session: false }), (req, res) => {
    console.log('Authentication successful');
    res.json({
        message: 'Successfully authenticated',
        user: req.user
    });
});

duartefdias

async connectToMetamask() {
      try {
        // Connect to metamask and get user accounts
        const accounts = await this.$store.getters['metamask/ethereum'].request({ method: 'eth_requestAccounts' });
        
        // Update vuex store
        this.$store.commit('metamask/setMetamaskConnected', true)
        this.$store.commit('metamask/setAccounts', accounts)
        
        // Check if user is registered, if not, register them

duartefdias

// Get user nonce
router.get('/:wallet_address/nonce', (req, res) => {
    // Check if user exists
    // ... search in database for user and returns its current nonce
});

// Process signed message
router.post('/:user/signature', (req, res) => {
    // Get user from db
    User.findOne({wallet_address: req.params.user}, (err, user) => {

duartefdias

export const state = () => ({
    metamaskConnected: false,
    ethereum: null,
    accounts: []
})

export const mutations = {
    setMetamaskConnected(state, value) {
        state.metamaskConnected = value
    },