public code v1

publisher/core

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+../core

publisher/index.js

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+require('dotenv').config();
+const { Express } = require("./core/Express");
+const { ClientBuilder } = require('@iota/client');
+var lastMessageId = "";
+
+const client = new ClientBuilder()
+    //.node('https://api.lb-0.h.chrysalis-devnet.iota.cafe')
+    .build();
+
+const express = new Express(process.env.PORT_PUBLISHER, "Publisher")
+express.get('/', (_, res) => {
+    client.getInfo().then(console.log).catch(console.error);
+    res.send('Service is alive')
+});
+
+express.post('/publish', async (req, res) => {
+    if (!req.body.token || req.body.token !== process.env.API_TOKEN_PUBLISHER) {
+        res.status(401).send('Not authorized');
+    } else {
+        if (!req.body.message) {
+            res.status(403).send("Bad request");
+        } else {
+            console.log(lastMessageId)
+            let iotaBuilder = client.message()
+                .index('PHONENDO')
+                .data(JSON.stringify(req.body.message));
+
+            if (lastMessageId) {
+                iotaBuilder.parents([lastMessageId])
+            }
+
+            const iotaMessage = await iotaBuilder.submit();
+
+            lastMessageId = iotaMessage.messageId;
+            console.log("Event published on IOTA" + JSON.stringify(iotaMessage));
+            res.status(200).send(req.body.message);
+        }
+    }
+});
+
+express.run();

publisher/package.json

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+{
+  "name": "publisher",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@iota/client": "^2.2.4",
+    "dotenv": "^16.0.3"
+  }
+}