v6 initial commit, maybe more to follow
This commit is contained in:
Josip Milovac
parent
7f91be86c0
commit
d6a32870bc
34 changed files with 16875 additions and 0 deletions
898
app/index.js
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898
app/index.js
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/**
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* npm run dev
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* HTTP_PORT=3002 P2P_PORT=5002 MQTT_PORT=1884 PEERS=ws://localhost:5001 npm run dev
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* HTTP_PORT=3003 P2P_PORT=5003 MQTT_PORT=1885 PEERS=ws://localhost:5001,ws://localhost:5002 npm run dev
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* HTTP_PORT=3004 P2P_PORT=5004 MQTT_PORT=1886 PEERS=ws://localhost:5001,ws://localhost:5002,ws://localhost:5003 npm run dev
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* HTTP_PORT=3005 P2P_PORT=5005 MQTT_PORT=1887 PEERS=ws://localhost:5001,ws://localhost:5002,ws://localhost:5003,ws://localhost:5004 npm run dev
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*/
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/**
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* npm run dev //node1
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* HTTP_PORT=3002 P2P_PORT=5002 MQTT_PORT=1884 PEERS=ws://45.113.235.182:5001 npm run dev //node2
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* HTTP_PORT=3003 P2P_PORT=5003 MQTT_PORT=1885 PEERS=ws://45.113.235.182:5001,ws://45.113.234.151:5002 npm run dev //node3
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* HTTP_PORT=3004 P2P_PORT=5004 MQTT_PORT=1886 PEERS=ws://IP:5001,ws://IP:5002,ws://IP:5003 npm run dev //node4
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* HTTP_PORT=3005 P2P_PORT=5005 MQTT_PORT=1887 PEERS=ws://IP:5001,ws://IP:5002,ws://IP:5003,ws://IP:5004 npm run dev //node5
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*/
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/**
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* for monitoring the memory and cpu as well as run node in the background use the following,
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* note: the second section of the instruction is to change the heap memory
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* pm2 start app/index.js --node-args="--max_old_space_size=8192"
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* HTTP_PORT=3002 P2P_PORT=5002 MQTT_PORT=1884 PEERS=ws://45.113.235.182:5001 pm2 start app/index.js --node-args="--max_old_space_size=8192"
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* HTTP_PORT=3003 P2P_PORT=5003 MQTT_PORT=1885 PEERS=ws://45.113.235.182:5001,ws://45.113.234.151:5002 pm2 start app/index.js --node-args="--max_old_space_size=8192"
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* HTTP_PORT=3004 P2P_PORT=5004 MQTT_PORT=1886 PEERS=ws://IP:5001,ws://IP:5002,ws://IP:5003 pm2 start app/index.js --node-args="--max_old_space_size=8192"
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* HTTP_PORT=3005 P2P_PORT=5005 MQTT_PORT=1887 PEERS=ws://IP:5001,ws://IP:5002,ws://IP:5003,ws://IP:5004 pm2 start app/index.js --node-args="--max_old_space_size=8192"
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* use
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* $ pm2 monit
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* to monitor the node
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*
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*/
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const express = require('express');
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const bodyParser = require('body-parser');
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const Blockchain = require('../blockchain');
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const P2pServer = require('./p2p-server');
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const Wallet = require('../wallet');
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const TransactionPool = require('../wallet/transaction-pool');
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const Miner = require('./miner');
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const morgan = require('morgan');//AddedM
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const multer = require('multer');
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//const productRoutes = require("./products");//addedM
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const newEngine = require('@comunica/actor-init-sparql').newEngine;
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const N3 = require('n3');
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const jsonld = require('jsonld');
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const DataFactory = require('n3').DataFactory;
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const fs = require('fs');
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const swaggerUi = require('swagger-ui-express')
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const swaggerFile = require('./swagger_output.json')
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var lodash = require('lodash');
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var mqtt = require('mqtt');
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var aedes = require('aedes')();
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var MQTTserver = require('net').createServer(aedes.handle);
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var mosca = require('mosca');
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//var awsIot = require('aws-iot-device-sdk');
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'use strict';// "use strict" is to indicate that the code should be executed in "strict mode".
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// With strict mode, you can not, for example, use undeclared variables.
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const parser = new N3.Parser({format: 'application/n-quads'});
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const store = new N3.Store();
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const store2 = new N3.Store();
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const myEngine = newEngine();
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const app = express();
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const bc = new Blockchain();
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const wallet = new Wallet();
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const tp = new TransactionPool();
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const p2pServer = new P2pServer(bc, tp);
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const miner = new Miner(bc, tp, wallet, p2pServer);
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//var client = mqtt.connect('mqtt://broker.hivemq.com');
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var MOSCAsettings = { MOSCAport:1883 }
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//var MOSCAserver = new mosca.Server(MOSCAsettings);
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//Mosca mqtt server intialization
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// MOSCAserver.on('ready', function(){
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// console.log("ready");
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// });
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//aedes mqtt server intialization
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const MQTTport = process.env.MQTT_PORT || 1883;
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MQTTserver.listen(MQTTport, function () {
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console.log('MQTTserver listening on port', MQTTport)
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})
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//
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const storage = multer.diskStorage({
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destination: function(req, file, cb) {
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cb(null, './uploads/');
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},
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filename: function(req, file, cb) {
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cb(null, new Date().toISOString() + file.originalname);
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}
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});
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//filtering the type of uploaded files
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const fileFilter = (req, file, cb) => {
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// reject a file
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if (file.mimetype === 'application/json' || file.mimetype === 'text/plain' ) {
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cb(null, true);
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} else {
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cb(null, false);
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}
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};
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const upload = multer({
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storage: storage,
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limits: {
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fileSize: 1024 * 1024 * 5
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},
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fileFilter: fileFilter
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});
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const port = process.env.HTTP_PORT || 3001;
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app.listen(port, () => console.log(`Listening on port ${port}`));
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p2pServer.listen();
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app.use('/doc', swaggerUi.serve, swaggerUi.setup(swaggerFile))
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function log(message) {
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console.log(`New block added: ${message.toString()}`);
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// fs.writeFileSync('./blocks.json', JSON.stringify(message),{'flags': 'a'}); //the problem with this function was overwrite even when i changed the flag to 'a'
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// fs.appendFile('./blocks.json', JSON.stringify(message) ,function(err){ //this function makes erorrs when the data is big
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// if(err) throw err;
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// console.log('IS WRITTEN')
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// });
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var BlockStream = fs.createWriteStream("blocks.json", {flags:'a'});
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BlockStream.write(message+ "\n");
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}
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function logQuery(message) {
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//console.log(`New block added: ${message.toString()}`);
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// fs.writeFileSync('./blocks.json', JSON.stringify(message),{'flags': 'a'}); //the problem with this function was overwrite even when i changed the flag to 'a'
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// fs.appendFile('./blocks.json', JSON.stringify(message) ,function(err){ //this function makes erorrs when the data is big
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// if(err) throw err;
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// console.log('IS WRITTEN')
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// });
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var QueryStream = fs.createWriteStream("Query.json", {flags:'a'});
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QueryStream.write(message+ "\n");
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}
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///////////////////////////////
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app.use(morgan("dev"));//AddedM
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app.use('/uploads', express.static('uploads'));
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app.use(bodyParser.urlencoded({ extended: false }));//addedM
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app.use(bodyParser.json());
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//addedM
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app.use((req, res, next) => {
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res.header("Access-Control-Allow-Origin", "*");
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res.header(
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"Access-Control-Allow-Headers",
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"Origin, X-Requested-With, Content-Type, Accept, Authorization"
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);
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if (req.method === 'OPTIONS') {
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res.header('Access-Control-Allow-Methods', 'PUT, POST, PATCH, DELETE, GET');
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return res.status(200).json({});
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}
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next();
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});
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//finished AddedM
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//GET functions
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app.get('/blocks', (req, res) => {
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res.json(bc.chain);
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});
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app.get('/MetaDataTransactions', (req, res) => {
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res.json(tp.metaDataTransactions);
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});
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app.get('/CoinTransactions', (req, res) => {
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res.json(tp.cointransactions);
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});
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app.get('/Transactions', (req, res) => {
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res.json(tp);
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});
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app.get('/mine-transactions', (req, res) => {
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const block = miner.mine();
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console.log(`New block added: ${block.toString()}`);
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//res.redirect('/blocks');
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res.json("Block mined");
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});
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app.get('/public-key', (req, res) => {
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res.json({ publicKey: wallet.publicKey });
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});
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app.get('/Balance', (req, res) => {
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res.json({ Balance: wallet.balance });
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});
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/////////////////////////////
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//POST functions
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app.post('/mine', (req, res) => {
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const block = bc.addBlock(req.body.data);
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console.log(`New block added: ${block.toString()}`);
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p2pServer.syncChains();
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res.redirect('/blocks');
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});
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app.post('/RegistringIoTdevice', (req, res)=> {
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const {Name,Geo ,IP_URL , Topic_Token, Permission, RequestDetail,
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OrgOwner, DepOwner,PrsnOwner, PaymentPerKbyte,
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PaymentPerMinute,Protocol, MessageAttributes, Interval,
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FurtherDetails} = req.body;
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fs.readdir('./uploads', function(err, files) {
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console.log(files[files.length-2]);
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var FileName = files[files.length-2];
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let rawdata = fs.readFileSync(`./uploads/${FileName}`);
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let SSNmetadata = JSON.parse(rawdata);
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let NameIn = Name;
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let GeoIn = Geo;
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let IP_URLIn = IP_URL;
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let Topic_TokenIn = Topic_Token;
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let PermissionIn = Permission;
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let RequestDetailIn = RequestDetail;
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let OrgOwnerIn = OrgOwner;
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let DepOwnerIn = DepOwner;
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let PrsnOwnerIn = PrsnOwner;
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let PaymentPerKbyteIn = PaymentPerKbyte;
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let PaymentPerMinuteIn = PaymentPerMinute;
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let ProtocolIn = Protocol;
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let MessageAttributesIn = MessageAttributes;
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let IntervalIn = Interval;
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let FurtherDetailsIn = FurtherDetails;
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var metaDataTransaction = wallet.createMetaDataTransaction(NameIn,
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GeoIn, IP_URLIn,Topic_TokenIn,
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PermissionIn, RequestDetailIn, OrgOwnerIn,
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DepOwnerIn, PrsnOwnerIn, PaymentPerKbyteIn,
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PaymentPerMinuteIn,ProtocolIn,
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MessageAttributesIn, IntervalIn,
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FurtherDetailsIn,
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SSNmetadata, tp);
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p2pServer.broadcastMetaDataTransaction(metaDataTransaction);});
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res.json("MetadataTransactionCreated");});
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/**
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* the following piece of code
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* is for storing the metadata as a Nquad format inside the blockchain
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*/
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// jsonld.toRDF(metaDataTransaction.SSNmetadata, {format: 'application/n-quads'},
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// (err, nquads) => {
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// // nquads is a string of N-Quads
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// parser.parse(
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// nquads,
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// (error, quadN, prefixes) => {
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// // console.log(quadN)
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// if (quadN)
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// //console.log(quadN.predicate)
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// store.addQuad(DataFactory.quad(
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// DataFactory.namedNode(quadN.subject.id),
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// DataFactory.namedNode(quadN.predicate.id),
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// DataFactory.namedNode(quadN.object.id)));
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// });
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// });
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// metaDataTransaction.SSNmetadata= store;
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app.post('/IoTdevicePaymentTransaction', (req, res) => {
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const { Recipient_payment_address, Amount_of_money, Payment_method,
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Further_details} = req.body;
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if (Payment_method == "SensorCoin"){
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const PaymentTransaction = wallet.createCoinTransaction(
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Recipient_payment_address, Amount_of_money, bc, tp);
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p2pServer.broadcastCoinTransaction(PaymentTransaction);
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res.json("PaymentTransactionCreated");
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}
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else if (Payment_method == "Bitcoin") {
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res.redirect('/BitcoinTransaction')
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}
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else if (Payment_method == "PayPal") {
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res.redirect('/PayPalTransaction')
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}
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});
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app.post("/UploadMetafile", upload.single('file'), (req, res) => {
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// recipient: req.body.recipient,
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// amount : req.body.amount,
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// const Geo = req.body.Geo;
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// const IPSO = req.body.IPSO;
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// const Type = req.body.Type;
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// const Permission = req.body.Permission;
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// const OrgOwner = req.body.OrgOwner;
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const file = req.file;
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//file : req.body.file
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res.status(201).json({
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message: 'Uploading Metadata was successful',
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MetadataFile : file
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});
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});
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//////simple search engine
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app.post('/selectedMeta', (req, res) => {
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const {Name}= req.body;
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data =bc.chain.map (a => a.data);
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var PickedSensors = [];
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for (let i= 1; i<data.length; i++ ){
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//var pickeditems = [null];
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var metadata= data[i][1];
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//pickeditems.push(...metadata);
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// }
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// return meta_array.Geo === 30;
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//meta_array=bc.chain.map(b => b.input);
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var picked = lodash.find(metadata, x=> x.Name === Name);
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if (picked != null){
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PickedSensors.push(picked);
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}
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}
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res.json(PickedSensors);
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});
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//Start of comunica sparql query code
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/**
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* this code under construction
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* try Comunica SPARQL RDFJS
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* I believe we need to change the way of storing the metadata
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*/
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app.post('/sparql', (req, res) => {
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const {Select,subject,predicate,object,Limit}= req.body; /**these
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variable are used for the sparql query*/
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var meta = []//represents the array of all metadata inside blockchain
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var queryResult
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BlockData =bc.chain.map (a => a.data); /** extracting the data section
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from each block inside the whole blockchain */
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var i;//i represents the number of blocks inside the whole blockchain
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for ( i= 1; i < BlockData.length; i++ ){
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var j //represents number of metadata transaction inside each block
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for ( j= 0; j<BlockData[i][1].length ;j++){
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meta.push(BlockData[i][1][j]["SSNmetadata"]); } }
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parser.parse(
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nquads,
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(error, quadN, prefixes) => {
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if (quadN)
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store.addQuad(DataFactory.quad(
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DataFactory.namedNode(quadN.subject.id),
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DataFactory.namedNode(quadN.predicate.id),
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DataFactory.namedNode(quadN.object.id)));
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else {(console.log("no metadata"))
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store.addQuad(DataFactory.quad(
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DataFactory.namedNode('http://ex.org/null'),
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DataFactory.namedNode('http://ex.org/null'),
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DataFactory.namedNode('http://ex.org/null')));}});
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const start = async function (a,b){
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const result = await myEngine.query(`SELECT ${Select} WHERE
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{${subject} ${predicate} ${object}} LIMIT
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${Limit}`, { sources: [{ type: 'rdfjsSource',
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value: store}] })
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result.bindingsStream.on('data', (data) =>
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console.log(data.toObject()));
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queryResult= result.bindingsStream};
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start()
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logQuery(queryResult);
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res.json(queryResult);});
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// this code to query the nquad data straight forward from the blockchain without changing the formt
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app.post('/sparql2', (req, res) => {
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//find a way to define default values for the comming variables
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const {Select,subject,predicate,object,Limit}= req.body; // these variable are used for the sparql query
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var meta = [] // represents the array of all metadata inside the blockchain
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var queryResult
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/**
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* change the following code to custome map function to remove the for loop
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* and make the code faster
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*/
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BlockData =bc.chain.map (a => a.data); //extracting the data section from each block inside the whole blockchain
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var i;//i represents the number of blocks inside the whole blockchain
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for ( i= 1; i < BlockData.length; i++ ){ /**the purpose of this for loop is passing each BlockData to check for metadata
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this loop could be avoided if we used custome map function */
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var j // j represents the number of metadata transaction inside each block
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for ( j= 0; j<BlockData[i][1].length ;j++){ /** the purpose of this for loop is passing each metadata transaction inside each block
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this loop could be avoided if we used custome map function */
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meta.push(BlockData[i][1][j]["SSNmetadata"]); /**this array depends on the structure of the data section from chain from bc
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i represents the number of blocks inside the whole blockchain
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j represents the number of metadarta transaction inside each block */
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}
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}
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console.log(meta) // printing the metadata just for testing purposes
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// jsonld.toRDF(meta, {format: 'application/n-quads'}, (err, nquads) => { /**
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// parser.parse( /**this piece of code is used for parse the metadata and store it in N3store */
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// nquads,
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// (error, quadN, prefixes) => {
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// // console.log(quadN)
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// if (quadN)
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// store2.addQuad(DataFactory.quad(
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// DataFactory.namedNode(meta.subject.id), DataFactory.namedNode(meta.predicate.id), DataFactory.namedNode(meta.object.id)));
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// // console.log(store)
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// });
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// const start = async function (a,b){ // we need this line of code to allow "await" function to work because it requires async function
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// const result = await myEngine.query(`SELECT ${Select} WHERE {${subject} ${predicate} ${object}} LIMIT ${Limit}`,
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// { sources: [{ type: 'rdfjsSource', value: meta}] })
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// result.bindingsStream.on('data', (data) => console.log(data.toObject()));
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// queryResult= result.bindingsStream
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// // console.log(queryResult)
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// };
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// start()
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// res.json(queryResult);
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});
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//try to make it return the query results insted of the metadata
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|
||||
//});
|
||||
|
||||
/**
|
||||
* this part is an implementation for sparql-engine
|
||||
* any line code will be added for this reason will have a comment of "sparql-engne"
|
||||
*
|
||||
*/
|
||||
// const {Parser, Store }=require('n3');
|
||||
// const {Graph, HashMapDataset, PlanBuilder}= require('sparql-engine');//sparql-engine related
|
||||
// const CustomGraph =require(/*import your Grapg subclass */);
|
||||
|
||||
|
||||
// // Format a triple pattern acccording to N3 API
|
||||
// // SPARQL variables must be replaced by `null` values
|
||||
// function formatTriplePattern (triple){
|
||||
// let subject = null
|
||||
// let predicate = null
|
||||
// let object = null
|
||||
// if (!triple.subject.startWith('?')){
|
||||
// subject = triple.subject
|
||||
// }
|
||||
// if (!triple.predicate.startWith('?')){
|
||||
// predicate = triple.predicate
|
||||
// }
|
||||
// if(!triple.object.startWith('?')){
|
||||
// object = triple.object
|
||||
// }
|
||||
// return { subject, predicate, object}
|
||||
// }
|
||||
//////////////////////END OF SPARQL_ENGINE CODE
|
||||
|
||||
|
||||
// ////////////////sparqle-engine code startred/////////
|
||||
// /**
|
||||
// * the following code is for checking sparql-engine
|
||||
// */
|
||||
|
||||
// // class CustomGraph extends Graph {
|
||||
|
||||
// // /**
|
||||
// // * Returns an iterator that finds RDF triples matching a triple pattern in the graph.
|
||||
// // * @param triple - Triple pattern to find
|
||||
// // * @return An observable which finds RDF triples matching a triple pattern
|
||||
// // */
|
||||
// // find (triple:TripleObject, options: Object): Observable<TripleObject> {/* */}
|
||||
// // }
|
||||
|
||||
// class N3Graph extends Graph {
|
||||
// constructor (){
|
||||
// super()
|
||||
// this._store = store()
|
||||
// }
|
||||
|
||||
// insert (triple){
|
||||
// return new Promise((resolve, reject) => {
|
||||
// try {
|
||||
// this._store.addTriple(triple.subject, triple.predicate, triple.object)
|
||||
// resolve()
|
||||
|
||||
// } catch (e) {
|
||||
// reject (e)
|
||||
// }
|
||||
// })
|
||||
// }
|
||||
|
||||
// find (triple) {
|
||||
// const {subject, predicate, object}= formatTriplePattern(triple)
|
||||
// return this._store.getTriple (subject, predicate, object)
|
||||
// }
|
||||
|
||||
// estimateCardinality (triple){
|
||||
// const {subject,predicate,object} = formatTriplePattern(triple)
|
||||
// return Promise.resolve(this._store.countTriples(subject,predicate,object))
|
||||
// }
|
||||
|
||||
// }
|
||||
|
||||
|
||||
// const graph = new N3Graph()
|
||||
// const dataset = new HashMapDataset ('http://example.org#default', graph)
|
||||
|
||||
// //load some RDF data into the graph
|
||||
// const parser = new Parser()
|
||||
// parser.parse(`
|
||||
// @prefix foaf: <http://xmlns.com/foaf/0.1/> .
|
||||
// @prefic : <http://example.org#> .
|
||||
// :a foaf:name "a" .
|
||||
// :b foaf:name "b" .
|
||||
// `).forEach(t => {graph._store.addTriple(t)
|
||||
// })
|
||||
|
||||
|
||||
// // const GRAPH_A_IRI ='http://example.org#graph-a';
|
||||
// // const GRAPH_B_IRI ='http://example.org#graph-b';
|
||||
// // const graph_a =new CustomGraph(/* */);
|
||||
// // const graph_b = new CustomGraph(/* */);
|
||||
|
||||
// // //we set graph_a as a defualt RDF dataset
|
||||
// // const dataset = new HashMapDataset(GRAPH_A_IRI, graph_a);
|
||||
// // //insert graph_b as a Named Grapg
|
||||
// // dataset.addNamedGraph(GRAPH_B_IRI, graph_b);
|
||||
|
||||
// //Get the Name of all the people in the default Graph
|
||||
// // const query= `
|
||||
// // PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
|
||||
// // PREFIX foaf: <http://xmlns.com/foaf/0.1>
|
||||
// // SELECT ?name
|
||||
// // WHERE{
|
||||
// // ?s a foaf:Person .
|
||||
// // ?s rdfs:label ?label .
|
||||
// // }`
|
||||
// const query = `
|
||||
// PREFIX foaf: <http://xmlns.com/foaf/0.1/>
|
||||
// SELECT ?name
|
||||
// WHERE {
|
||||
// ?s foaf:name ?name .
|
||||
// }`
|
||||
|
||||
// // Creates a plan builder for the RDF dataset
|
||||
// const builder = new PlanBuilder(dataset);
|
||||
|
||||
// // Get an iterator to evaluate the query
|
||||
// const iterator = builder.build(query);
|
||||
|
||||
// //read results
|
||||
// iterator.subscribe(
|
||||
// binding => console.log(bindings),
|
||||
// err => console.error(err),
|
||||
// () => console.log('Query evaluation complete')
|
||||
// );
|
||||
///////////////////////////////////////////////////////////Integration///////////////////////////////////////////////////////////
|
||||
DistributedBrokers = ["mqtt.eclipse.org", "test.mosquitto.org","broker.hivemq.com"];
|
||||
DistributedBrokersPorts = [1883,1883,1883];
|
||||
function makeTopic(length) {
|
||||
var result = '';
|
||||
var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
|
||||
var charactersLength = characters.length;
|
||||
for ( var i = 0; i < length; i++ ) {
|
||||
result += characters.charAt(Math.floor(Math.random() * charactersLength));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
paymentAmount = [];
|
||||
paymentAddress = [];
|
||||
IoTDeviceAddress = [];
|
||||
IoTApplicationAddress=[];
|
||||
MassagiesRecived = [];
|
||||
var MiddlewareClients =[];
|
||||
MassageCounter =[];
|
||||
StartSending = [];
|
||||
MiddlewareTracking =[];
|
||||
Durations = [];
|
||||
Intervals = [];
|
||||
i = 0;//RequestsIndex
|
||||
|
||||
app.post('/IoTdeviceIntegration-Control', (req, res) => {
|
||||
const {IoTDeviceID,paymentTransactionID,Duration,Protocol}= req.body;
|
||||
Durations.push(Duration);
|
||||
MassageCounter.push(0)
|
||||
MassagiesRecived.push(false);
|
||||
data =bc.chain.map (a => a.data);
|
||||
MetaANDTransFound = false;
|
||||
for (let j= data.length-1; j>0; j-- ){/** this for loop load
|
||||
Blockchain and search for metadata and payment transaction that match
|
||||
the provided MetadataID and TransactionID */
|
||||
var metadata = data[j][1];
|
||||
var transaction = data [j][0];
|
||||
var pickedMetadata = lodash.find(metadata, x=>
|
||||
x.id === IoTDeviceID);
|
||||
var pickedTransction = lodash.find(transaction, x=>
|
||||
x.id === paymentTransactionID);
|
||||
if (pickedMetadata != null && pickedTransction !=null){
|
||||
MetaANDTransFound = true;
|
||||
break;} }
|
||||
if (MetaANDTransFound){
|
||||
//Loading the IoTdevice parameters in order to connect to it
|
||||
var IoTDeviceBroker = pickedMetadata.IP_URL.toString();//mqtt broker
|
||||
var IoTDeviceTopic = pickedMetadata.Topic_Token;// mqtt topic
|
||||
paymentAmount.push(pickedTransction.outputs[1].amount);
|
||||
paymentAddress.push(pickedTransction.outputs[1].address);
|
||||
IoTDeviceAddress.push(pickedMetadata.Signiture.address);
|
||||
IoTApplicationAddress.push(pickedTransction.input.address);
|
||||
Intervals.push(pickedMetadata.Interval)
|
||||
if (paymentAddress[i] == wallet.publicKey){
|
||||
res.redirect('/IoTdataObtainingAndForward');}
|
||||
else{
|
||||
console.log("payment Address not match")}}
|
||||
else{
|
||||
console.log("Metadata or Transaction not found")
|
||||
if (pickedMetadata == null){
|
||||
console.log("metadata not found")}
|
||||
if (pickedTransction == null){
|
||||
console.log("Transaction not found")} }
|
||||
MetaANDTransFound = false;
|
||||
i++;
|
||||
res.json("true");});
|
||||
|
||||
|
||||
|
||||
app.get ('/IoTdataObtainingAndForward', (req, res) => {
|
||||
console.log (`transaction of IoT Application ${i} approved`)
|
||||
BrokerRandomNumber = (Math.floor(
|
||||
Math.random()*DistributedBrokers.length)+1)-1 /** collect
|
||||
a random number to select a random broker*/
|
||||
MiddlewareBroker = DistributedBrokers[BrokerRandomNumber];
|
||||
MiddlewareTopic = makeTopic(5);// generate random topic
|
||||
MiddlewarePort = DistributedBrokersPorts[BrokerRandomNumber];
|
||||
//loading the configuration massage
|
||||
configurationMessage = {"host/broker":MiddlewareBroker,
|
||||
"topic":MiddlewareTopic,
|
||||
"port":MiddlewarePort,
|
||||
"duration":Duration} /** add pk of the node
|
||||
connect to the IoT device and send the configuration massage*/
|
||||
var IoTDeviceClient = mqtt.connect(IoTDeviceBroker);
|
||||
MiddlewareClients.push(mqtt.connect(`mqtt://${MiddlewareBroker}`))
|
||||
var MiddlewareClient = MiddlewareClients[i]
|
||||
IoTDeviceClient.on("connect", ack => {
|
||||
console.log("connected! to IoT Device Client");
|
||||
IoTDeviceClient.subscribe(IoTDeviceTopic, err => {
|
||||
console.log(err); });
|
||||
IoTDeviceClient.publish(IoTDeviceTopic, JSON.stringify(
|
||||
configurationMessage));});
|
||||
IoTDeviceClient.on("error", err => {
|
||||
console.log(err);});
|
||||
IoTDeviceClient.on("message", (topic, message) => {
|
||||
console.log(message.toString())
|
||||
IoTDeviceClient.end(true)});
|
||||
/** connect the randomly choosed mqtt middlware broker to
|
||||
* listen to the transmitted massagies */
|
||||
MiddlewareClient.on("connect", ack => {
|
||||
console.log("connected!");
|
||||
console.log(MiddlewareBroker)
|
||||
StartSending.push(Date.now());
|
||||
MiddlewareClient.subscribe(MiddlewareTopic, err => {
|
||||
console.log(err); });});
|
||||
MiddlewareTracking.push({index:i,
|
||||
TrackingTopic:MiddlewareTopic})/** this used to track the connection
|
||||
in case there are multiple conection at the same time */
|
||||
MiddlewareClient.on("message", (topic, message) => {/** call back,
|
||||
will run each time a massage recived, I did it in a way if there are
|
||||
multiple connections, it will run for all the massagies, then truck the
|
||||
massagies by MiddlwareTracking Array */
|
||||
var MiddlewareFound = MiddlewareTracking.filter(function(item) {
|
||||
return item.TrackingTopic == topic;});
|
||||
console.log(MiddlewareFound);
|
||||
console.log(message.toString());
|
||||
MiddlewareIndex = MiddlewareFound[0].index/** this is the index of
|
||||
the connection or the Middleware*/
|
||||
console.log(MiddlewareIndex)
|
||||
MassageCounter[MiddlewareIndex]++;/** this used to track the number
|
||||
of recived massagies of each connection */
|
||||
console.log(Date.now()-StartSending[MiddlewareIndex])
|
||||
if (Date.now() - StartSending[MiddlewareIndex] >=
|
||||
(Durations[MiddlewareIndex]*1000)
|
||||
-Intervals[MiddlewareIndex]*1000){
|
||||
console.log("sending time finished")
|
||||
if (MassageCounter[MiddlewareIndex] > 0.75*(
|
||||
Durations[MiddlewareIndex]/Intervals[MiddlewareIndex])
|
||||
){/** which means most of massagies have been sent */
|
||||
console.log("massages recived")
|
||||
MassagiesRecived[MiddlewareIndex] = true;}
|
||||
if (MassagiesRecived[MiddlewareIndex]){/** if massagies recived,
|
||||
pay the 10% as service fees */
|
||||
const PaymentTransaction = wallet.createPaymentTransaction(
|
||||
NodeAddress,(0.1*paymentAmount[MiddlewareIndex]) , bc, tp);
|
||||
p2pServer.broadcastPaymentTransaction(PaymentTransaction);
|
||||
console.log("amount paid to the IoT device")
|
||||
console.log(MiddlewareIndex)
|
||||
MiddlewareClient = MiddlewareClients[MiddlewareIndex];
|
||||
/** disconnect the middleware mqtt broker */
|
||||
MiddlewareClient.end(true)}
|
||||
else{// if massagies not recived, pay the IoT application back
|
||||
res.redirect('/IoTapplicationCompensationTransaction')}};});
|
||||
|
||||
|
||||
app.post('/IoTApplicationCompensationTransaction', (req, res) => {
|
||||
const { Recipient_payment_address, Amount_of_money, Payment_method,
|
||||
Further_details} = req.body;
|
||||
if (Payment_method == "SensorCoin"){
|
||||
const PaymentTransaction = wallet.createPaymentTransaction(
|
||||
Recipient_payment_address, Amount_of_money, bc, tp);
|
||||
p2pServer.broadcastPaymentTransaction(PaymentTransaction);
|
||||
res.json("PaymentTransactionCreated");
|
||||
}
|
||||
else if (Payment_method == "Bitcoin") {
|
||||
res.redirect('/BitcoinTransaction')
|
||||
}
|
||||
else if (Payment_method == "PayPal") {
|
||||
res.redirect('/PayPalTransaction')
|
||||
}
|
||||
});
|
||||
|
||||
|
||||
app.post ('/IoTapplicationCompensation', (req, res) => {
|
||||
const PaymentTransaction = wallet.createPaymentTransaction(IoTApplicationAddress[MiddlewareIndex],
|
||||
(paymentAmount[MiddlewareIndex]) , bc, tp);
|
||||
p2pServer.broadcastPaymentTransaction(PaymentTransaction);
|
||||
console.log("amount paid back to the IoT Application")
|
||||
});
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
var IoTDeviceMassage ="test"
|
||||
app.post('/integrateVirtual', (req, res) => {
|
||||
const {IoTDeviceID,paymentTransactionID,Duration,Protocol}= req.body;
|
||||
|
||||
Durations.push(Duration);
|
||||
MassageCounter.push(0)
|
||||
MassagiesRecived.push(false);
|
||||
|
||||
data =bc.chain.map (a => a.data);
|
||||
MetaANDTransFound = true;
|
||||
// for (let j= 1; j<data.length; j++ ){// this for loop load the Blockchain and search for metadata and payment transaction that match the provided MetadataID and TransactionID
|
||||
// var metadata = data[j][1];
|
||||
// var transaction = data [j][0];
|
||||
// var pickedMetadata = lodash.find(metadata, x=> x.id === IoTDeviceID); ////one thing to consider, what if the IoT device has multiple meatadata (updated metadata)??
|
||||
// var pickedTransction = lodash.find(transaction, x=> x.id === paymentTransactionID);
|
||||
// if (pickedMetadata != null && pickedTransction !=null){
|
||||
// MetaANDTransFound = true;
|
||||
// break;
|
||||
// }
|
||||
// }
|
||||
if (MetaANDTransFound){
|
||||
//Loading the IoTdevice parameters in order to connect to it
|
||||
// var IoTDeviceBroker = pickedMetadata.IP_URL.toString();//mqtt broker
|
||||
// var IoTDeviceTopic = pickedMetadata.Topic_Token;// mqtt topic
|
||||
paymentAmount.push(10)//pickedTransction.outputs[1].amount);
|
||||
paymentAddress.push("ADsf")//pickedTransction.outputs[1].address);
|
||||
IoTDeviceAddress.push("fth")//pickedMetadata.Signiture.address);
|
||||
IoTApplicationAddress.push("dtyuyf")//pickedTransction.input.address);
|
||||
Intervals.push(10)//pickedMetadata.Interval)
|
||||
var device = awsIot.device({
|
||||
keyPath: './aws-iot-device-sdk/node_modules/certs/private.pem.key',
|
||||
certPath: './aws-iot-device-sdk/node_modules/certs/certificate.pem.crt',
|
||||
caPath: './aws-iot-device-sdk/node_modules/certs/RootCA1.pem',
|
||||
clientId: 'arn:aws:iot:us-east-1:712303746524:thing/SecondVirtualIoTdevice',
|
||||
host: 'a11joipjrff8s7-ats.iot.us-east-1.amazonaws.com'
|
||||
});
|
||||
//if (paymentAddress[i] == wallet.publicKey){
|
||||
console.log (`transaction of IoT Application ${i} approved`) // add later the check if the amount is match with the required duration
|
||||
BrokerRandomNumber = (Math.floor(Math.random()*DistributedBrokers.length)+1)-1 // collect a random number to select a random broker
|
||||
MiddlewareBroker = DistributedBrokers[BrokerRandomNumber];
|
||||
MiddlewareTopic = makeTopic(5);// generate random topic
|
||||
MiddlewarePort = DistributedBrokersPorts[BrokerRandomNumber];
|
||||
//loading the configuration massage
|
||||
// configurationMessage = {"host/broker":MiddlewareBroker,"topic":MiddlewareTopic, "port":MiddlewarePort, "duration":Duration} // add pk of the node
|
||||
// connect to the IoT device and send the configuration massage
|
||||
// var IoTDeviceClient = mqtt.connect(IoTDeviceBroker);
|
||||
// MiddlewareClients.push(mqtt.connect(`mqtt://${MiddlewareBroker}`))
|
||||
// var MiddlewareClient = MiddlewareClients[i]
|
||||
// IoTDeviceClient.on("connect", ack => {
|
||||
// console.log("connected! to IoT Device Client");
|
||||
// IoTDeviceClient.subscribe(IoTDeviceTopic, err => {
|
||||
// console.log(err);
|
||||
// });
|
||||
// IoTDeviceClient.publish(IoTDeviceTopic, JSON.stringify(configurationMessage));
|
||||
// });
|
||||
|
||||
// IoTDeviceClient.on("error", err => {
|
||||
// console.log(err);
|
||||
// });
|
||||
|
||||
// IoTDeviceClient.on("message", (topic, message) => {
|
||||
// console.log(message.toString())
|
||||
// IoTDeviceClient.end(true)
|
||||
// });
|
||||
// IoTDeviceClient.on("close", ack => {
|
||||
// console.log("Disconnected from IoT Device Client");
|
||||
// });
|
||||
|
||||
device
|
||||
.on('connect', function() {
|
||||
console.log('connect');
|
||||
device.subscribe('/weather/data');// change it to a topic from the metadata
|
||||
// device.publish('/weather/data', JSON.stringify({ test_data: 2}));
|
||||
});
|
||||
|
||||
device
|
||||
.on('message', function(topic, payload) {
|
||||
// console.log('message', topic, payload.toString());
|
||||
IoTDeviceMassage = payload.toString();
|
||||
MiddlewareClient.publish(MiddlewareTopic,IoTDeviceMassage)
|
||||
});
|
||||
|
||||
// connect the randomly choosed mqtt middlware broker to listen to the transmitted massagies
|
||||
MiddlewareClients.push(mqtt.connect(`mqtt://${MiddlewareBroker}`))
|
||||
var MiddlewareClient = MiddlewareClients[i]
|
||||
MiddlewareClient.on("connect", ack => {
|
||||
console.log("connected!");
|
||||
console.log(MiddlewareBroker)
|
||||
StartSending.push(Date.now());
|
||||
MiddlewareClient.subscribe(MiddlewareTopic, err => {
|
||||
console.log(err);
|
||||
});
|
||||
MiddlewareClient.publish(MiddlewareTopic,IoTDeviceMassage)
|
||||
});
|
||||
|
||||
MiddlewareTracking.push({index:i, TrackingTopic:MiddlewareTopic})// this used to track the connection in case there are multiple conection at the same time
|
||||
|
||||
MiddlewareClient.on("message", (topic, message) => {// call back, will run each time a massage recived, I did it in a way if there are multiple connections, it will run for all the massagies, then we truck the massahies by MiddlwareTracking Array
|
||||
console.log(message.toString());
|
||||
var MiddlewareFound = MiddlewareTracking.filter(function(item) {
|
||||
return item.TrackingTopic == topic;
|
||||
});
|
||||
console.log(MiddlewareFound);
|
||||
MiddlewareIndex = MiddlewareFound[0].index;// this is the index of the connection or the Middleware
|
||||
console.log(MiddlewareIndex);
|
||||
MassageCounter[MiddlewareIndex]++;// this used to track the number of recived massagies of each connection
|
||||
console.log(Date.now()-StartSending[MiddlewareIndex])
|
||||
if (Date.now() - StartSending[MiddlewareIndex] >= (Durations[MiddlewareIndex]*1000)-Intervals[MiddlewareIndex]*1000){
|
||||
console.log("sending time finished")
|
||||
if (MassageCounter[MiddlewareIndex] > 0.75*(Durations[MiddlewareIndex]/Intervals[MiddlewareIndex])){// which means most of massagies have been sent
|
||||
console.log("massages recived")
|
||||
MassagiesRecived[MiddlewareIndex] = true;
|
||||
}
|
||||
if (MassagiesRecived[MiddlewareIndex]){// if massagies recived, pay the IoT device and substract 10% as service fees
|
||||
const cointransaction = wallet.createCoinTransaction(IoTDeviceAddress[MiddlewareIndex],(paymentAmount[MiddlewareIndex]-0.1*paymentAmount[MiddlewareIndex]) , bc, tp);
|
||||
p2pServer.broadcastCoinTransaction(cointransaction);
|
||||
console.log("amount paid to the IoT device")
|
||||
console.log(MiddlewareIndex)
|
||||
MiddlewareClient = MiddlewareClients[MiddlewareIndex];// disconnect the middleware mqtt broker
|
||||
MiddlewareClient.end(true)
|
||||
}
|
||||
else{// if massagies not recived, pay the ioT application back
|
||||
const cointransaction = wallet.createCoinTransaction(IoTApplicationAddress[MiddlewareIndex],(paymentAmount[MiddlewareIndex]) , bc, tp);
|
||||
p2pServer.broadcastCoinTransaction(cointransaction);
|
||||
console.log("amount paid back to the IoT Application")
|
||||
console.log(MiddlewareIndex)
|
||||
MiddlewareClient = MiddlewareClients[MiddlewareIndex];// disconnect the middleware mqtt broker
|
||||
MiddlewareClient.end(true)
|
||||
}
|
||||
}
|
||||
|
||||
});
|
||||
// }
|
||||
// else{
|
||||
// console.log("payment Address not match")
|
||||
// }
|
||||
}
|
||||
|
||||
else{
|
||||
console.log("Metadata or Transaction not found")
|
||||
if (pickedMetadata == null){
|
||||
console.log("metadata not found")
|
||||
}
|
||||
if (pickedTransction == null){
|
||||
console.log("Transaction not found")
|
||||
}
|
||||
}
|
||||
|
||||
MetaANDTransFound = false;
|
||||
i++;
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
//
|
||||
// Device is an instance returned by mqtt.Client(), see mqtt.js for full
|
||||
// documentation.
|
||||
//
|
||||
|
||||
|
||||
|
||||
res.json("true");
|
||||
});
|
||||
|
||||
|
||||
});
|
||||
Loading…
Add table
Add a link
Reference in a new issue