reorg code, integration publish/subscribe working, still some TODOs

sensor/sensor-app.js

@@ -0,0 +1,54 @@
+//SENSOR
+const express = require('express');
+const bodyParser = require('body-parser');
+
+const Config = require('../config');
+const ChainUtil = require('../chain-util');
+const Sensor = require('./sensor');
+
+const {
+  DEFAULT_PORT_BROKER_SENSOR_HANDSHAKE,
+  DEFAULT_PORT_SENSOR_API,
+} = require('../constants');
+
+'use strict';
+
+const CONFIGS_STORAGE_LOCATION = "./settings.json";
+
+const config = new Config(CONFIGS_STORAGE_LOCATION);
+
+const keyPair = config.get({
+  key: "sensor-keypair",
+  default: ChainUtil.genKeyPair(),
+  transform: ChainUtil.deserializeKeyPair
+});
+const apiPort = config.get({
+  key: "sensor-api-port",
+  default: DEFAULT_PORT_SENSOR_API
+});
+const sensorId = config.get({
+  key: "sensor-id",
+  default: "Test sensor"
+});
+const brokerLocation = config.get({
+  key: "sensor-broker-location",
+  default: "ws://127.0.0.1:" + DEFAULT_PORT_BROKER_SENSOR_HANDSHAKE
+});
+const brokerPublicKey = config.get({
+  key: "sensor-broker-publickey",
+  default: null
+});
+
+const sensor = new Sensor(keyPair, sensorId, brokerLocation, brokerPublicKey);
+
+const app = express();
+app.use(bodyParser.json());
+
+
+app.listen(apiPort, () => console.log(`Listening on port ${apiPort}`));
+
+app.post('/send', (req, res) => {
+  console.log(`sending: ${JSON.stringify(req.body)}`);
+  sensor.send(JSON.stringify(req.body));
+  res.json("sent");
+});