demo version
This commit is contained in:
Josip Milovac
parent
fbb282a801
commit
672d6daa8e
125 changed files with 17918 additions and 1481 deletions
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@ -3,13 +3,11 @@ const express = require('express');
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const bodyParser = require('body-parser');
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const BlockchainProp = require('../network/blockchain-prop');
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const fs = require('fs');
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const N3 = require('n3');
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const Wallet = require('./wallet');
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const Config = require('../config');
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const ChainUtil = require('../chain-util');
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const Config = require('../util/config');
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const ChainUtil = require('../util/chain-util');
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const QueryEngine = require('@comunica/query-sparql-rdfjs').QueryEngine;
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const Blockchain = require('../blockchain/blockchain');
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@ -17,10 +15,14 @@ const Blockchain = require('../blockchain/blockchain');
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const {
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DEFAULT_UI_HTML,
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DEFAULT_UI_JS,
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DEFAULT_DEMO_UI_HTML,
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DEFAULT_DEMO_UI_JS,
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DEFAULT_PORT_WALLET_API,
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DEFAULT_PORT_WALLET_CHAIN,
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DEFAULT_PORT_MINER_CHAIN
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} = require('../constants');
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} = require('../util/constants');
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const SensorRegistration = require('../blockchain/sensor-registration');
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const BrokerRegistration = require('../blockchain/broker-registration');
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'use strict';
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@ -61,10 +63,18 @@ const uiJsLocation = config.get({
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key: "wallet-ui-js",
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default: DEFAULT_UI_JS
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});
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const demoUiHtmlLocation = config.get({
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key: "wallet-demo-ui-html",
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default: DEFAULT_DEMO_UI_HTML
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});
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const demoUiJsLocation = config.get({
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key: "wallet-demo-ui-js",
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default: DEFAULT_DEMO_UI_JS
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});
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const blockchain = Blockchain.loadFromDisk(blockchainLocation);
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const chainServer = new BlockchainProp("Wallet-chain-server", false, blockchain);
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const chainServer = new BlockchainProp("Wallet-chain-server", blockchain);
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chainServer.start(chainServerPort, chainServerPublicAddress, chainServerPeers);
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const app = express();
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@ -86,6 +96,18 @@ app.get('/ui.html', (req, res) => {
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});
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});
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app.get('/demo-logic.js', (req, res) => {
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res.type('.js').sendFile(demoUiJsLocation, {
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root: "./"
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});
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});
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app.get('/demo-ui.html', (req, res) => {
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res.type('.html').sendFile(demoUiHtmlLocation, {
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root: "./"
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});
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});
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app.get('/ChainServer/sockets', (req, res) => {
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res.json(chainServer.sockets);
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});
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@ -105,6 +127,9 @@ app.get('/key-pair', (req, res) => {
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app.get('/MyBalance', (req, res) => {
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res.json(blockchain.getBalanceCopy(wallet.publicKey));
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});
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app.get('/chain-length', (req, res) => {
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res.json(blockchain.blocks().length);
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});
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app.get('/Balance', (req, res) => {
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const balance = blockchain.getBalanceCopy(req.body.publicKey);
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res.json(balance);
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@ -114,10 +139,26 @@ app.get('/Balances', (req, res) => {
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res.json(balances);
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});
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app.get('/Sensors', (req, res) => {
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res.json(blockchain.chain.sensors.current);
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const returning = {};
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for (const [key, value] of Object.entries(blockchain.chain.sensors.current)) {
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const created = {};
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Object.assign(created, value);
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created.hash = SensorRegistration.hashToSign(created);
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returning[key] = created;
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}
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res.json(returning);
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console.log("/Sensors called");
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console.log(`Returned ${Object.entries(returning).length} sensors`);
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});
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app.get('/Brokers', (req, res) => {
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res.json(blockchain.chain.sensors.current);
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const returning = {};
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for (const [key, value] of Object.entries(blockchain.chain.brokers.current)) {
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const created = {};
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Object.assign(created, value);
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created.hash = BrokerRegistration.hashToSign(created);
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returning[key] = created;
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}
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res.json(returning);
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});
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app.get('/Integrations', (req, res) => {
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res.json(blockchain.chain.integrations.current);
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@ -128,48 +169,48 @@ app.post('/Payment', (req, res) => {
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const rewardAmount = req.body.rewardAmount;
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const outputs = req.body.outputs;
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res.json(wallet.createPayment(
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const payment = wallet.createPaymentAsTransaction(
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blockchain,
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rewardAmount,
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outputs,
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blockchain));
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outputs);
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chainServer.sendTx(payment);
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res.json(payment.transaction);
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});
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app.post('/Integration', (req, res) => {
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res.json(wallet.createIntegration(
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req.body.rewardAmount,
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req.body.witnessCount,
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req.body.outputs,
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blockchain));
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try {
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const integration = wallet.createIntegrationAsTransaction(
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blockchain,
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req.body.rewardAmount,
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req.body.witnessCount,
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req.body.outputs);
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chainServer.sendTx(integration);
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res.json({
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result: true,
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tx: integration.transaction,
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hash: integration.type.hashToSign(integration.transaction)
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});
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} catch (err) {
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console.log(err);
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res.json({
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result: false,
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reason: err.message
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});
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}
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});
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function extToRdf(triples, sensorId, parentString, obj) {
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for (const key in obj) {
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const value = obj[key];
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const type = typeof value;
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switch (typeof value) {
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case "string":
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triples.push({
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s: sensorId,
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p: parentString + key,
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o: value
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});
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break;
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case "object":
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extToRdf(triples, sensorId, parentString + key + '/', value);
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break;
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default:
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console.log("Unsupported value type: " + type);
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break;
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}
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}
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}
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const brokerRegistrationValidators = {
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ssnMetadata: ChainUtil.validateIsString,
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brokerName: ChainUtil.validateIsString,
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endpoint: ChainUtil.validateIsString,
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rewardAmount: ChainUtil.createValidateIsIntegerWithMin(0),
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extMetadata: ChainUtil.validateIsObject
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extraNodeMetadata: ChainUtil.createValidateOptional(
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ChainUtil.validateIsObject),
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extraLiteralMetadata: ChainUtil.createValidateOptional(
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ChainUtil.validateIsObject)
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};
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app.post('/BrokerRegistration', (req, res) => {
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@ -180,117 +221,83 @@ app.post('/BrokerRegistration', (req, res) => {
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return;
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}
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const brokers = [];
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const triples = [];
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try {
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const reg = wallet.createBrokerRegistrationAsTransaction(
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blockchain,
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req.body.rewardAmount,
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req.body.brokerName,
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req.body.endpoint,
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req.body.extraNodeMetadata,
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req.body.extraLiteralMetadata);
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const parser = new N3.Parser();
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parser.parse(
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req.body.ssnMetadata,
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(error, quad, prefixes) => {
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if (error) {
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res.json(error);
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return;
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}
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if (quad) {
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triples.push({
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s: quad.subject.id,
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p: quad.predicate.id,
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o: quad.object.id
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});
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chainServer.sendTx(reg);
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if (quad.predicate.id === "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
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&& quad.object.id === "http://SSM/Broker") {
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brokers.push(quad.subject.id);
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}
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return;
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}
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//quad is null, we come here, and we are finished parsing
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if (brokers.length === 0) {
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res.json("Couldn't find a defined broker");
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return;
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} else if (brokers.length > 1) {
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res.json("Found multiple defined brokers");
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return;
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}
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extToRdf(triples, brokers[0], "", req.body.extMetadata);
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try {
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res.json(wallet.createBrokerRegistration(
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triples,
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req.body.rewardAmount,
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blockchain));
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} catch (err) {
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console.log(err);
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res.json(err.message);
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}
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});
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res.json(reg.transaction);
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} catch (err) {
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console.log(err);
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res.json(err.message);
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}
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});
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const sensorRegistrationValidators = {
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ssnMetadata: ChainUtil.validateIsString,
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sensorName: ChainUtil.validateIsString,
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costPerMinute: ChainUtil.createValidateIsIntegerWithMin(0),
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costPerKB: ChainUtil.createValidateIsIntegerWithMin(0),
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integrationBroker: ChainUtil.validateIsString,
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rewardAmount: ChainUtil.createValidateIsIntegerWithMin(0),
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extMetadata: ChainUtil.validateIsObject
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extraNodeMetadata: ChainUtil.createValidateOptional(
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ChainUtil.validateIsObject),
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extraLiteralMetadata: ChainUtil.createValidateOptional(
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ChainUtil.validateIsObject)
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};
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app.post('/SensorRegistration', (req, res) => {
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const validateRes = ChainUtil.validateObject(req.body, sensorRegistrationValidators);
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if (!validateRes.result) {
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res.json(validateRes.reason);
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res.json({
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result: false,
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reason: validateRes.reason
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});
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return;
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}
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const sensors = [];
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const triples = [];
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try {
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const reg = wallet.createSensorRegistrationAsTransaction(
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blockchain,
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req.body.rewardAmount,
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req.body.sensorName,
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req.body.costPerMinute,
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req.body.costPerKB,
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req.body.integrationBroker,
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req.body.extraNodeMetadata,
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req.body.extraLiteralMetadata);
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const parser = new N3.Parser();
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parser.parse(
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req.body.ssnMetadata,
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(error, quad, prefixes) => {
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if (error) {
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res.json(error);
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return;
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}
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if (quad) {
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triples.push({
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s: quad.subject.id,
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p: quad.predicate.id,
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o: quad.object.id
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});
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chainServer.sendTx(reg);
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if (quad.predicate.id === "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
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&& quad.object.id === "http://www.w3.org/ns/sosa/Sensor") {
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sensors.push(quad.subject.id);
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}
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return;
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}
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//quad is null, we come here, and we are finished parsing
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if (sensors.length === 0) {
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res.json("Couldn't find a defined sensor");
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return;
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} else if (sensors.length > 1) {
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res.json("Found multiple defined sensors");
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return;
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}
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extToRdf(triples, sensors[0], "", req.body.extMetadata);
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try {
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res.json(wallet.createSensorRegistration(
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triples,
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req.body.rewardAmount,
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blockchain));
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} catch (err) {
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console.log(err);
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res.json(err.message);
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}
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res.json({
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result: true,
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tx: reg.transaction
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});
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} catch (err) {
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console.log(err);
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res.json({
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result: false,
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reason: err.message
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});
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}
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});
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const myEngine = new QueryEngine();
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app.post('/sparql', (req, res) => {
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if (!("query" in req.body)) {
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res.json({
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result: false,
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reason:"No query supplied"});
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return;
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}
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const start = async function () {
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try {
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const result = [];
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@ -304,14 +311,24 @@ app.post('/sparql', (req, res) => {
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result.push(binding.entries);
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});
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bindingsStream.on('end', () => {
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res.json(result);
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res.json({
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result: true,
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values: result
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});
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});
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bindingsStream.on('error', (err) => {
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res.json(err);
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res.json({
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result: false,
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reason: err
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});
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});
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} catch (err) {
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console.error("Exception!");
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console.error(err);
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res.json(err);
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res.json({
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result: false,
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reason: err.message
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});
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}
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};
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