Migrated user inputs from domain sockets to memfd. (#159)

examples/nodejs_client/multi-client.js

@@ -0,0 +1,73 @@
+const { HotPocketClient, HotPocketKeyGenerator, HotPocketEvents } = require('./hp-client-lib');
+
+async function main() {
+
+    const clientCount = 3;
+    const clients = [];
+    for (let i = 1; i <= clientCount; i++) {
+        clients.push(new RoboClient('wss://localhost:', 8081, i.toString()));
+    }
+
+    await Promise.all(clients.map(c => c.connect()));
+    console.log("Clients connected.");
+
+    await Promise.all(clients.map(c => c.sendInputs(["A", "B", "C"])));
+    console.log("Clients submitted.");
+
+    // await Promise.all(clients.map(c => c.disconnect()));
+    // console.log("Clients closed.");
+}
+
+function RoboClient(server, port, clientId) {
+
+    this.connect = async () => {
+        this.keys = await HotPocketKeyGenerator.generate();
+        this.hpclient = new HotPocketClient(server + port, this.keys);
+
+
+        if (!await this.hpclient.connect()) {
+            this.log('Connection failed.');
+        }
+        this.log('HotPocket Connected.');
+
+        // This will get fired if HP server disconnects unexpectedly.
+        this.hpclient.on(HotPocketEvents.disconnect, () => {
+            this.log('Server disconnected');
+        })
+
+        // This will get fired when contract sends an output.
+        this.hpclient.on(HotPocketEvents.contractOutput, (output) => {
+            this.log("Contract output>> " + Buffer.from(output, "hex"));
+        })
+
+        // This will get fired when contract sends a read response.
+        this.hpclient.on(HotPocketEvents.contractReadResponse, (response) => {
+            this.log("Contract read response>> " + Buffer.from(response, "hex"));
+        })
+    }
+
+    this.disconnect = async () => {
+        await this.hpclient.close();
+    }
+
+    this.sendInputs = async (inputs) => {
+
+        let idx = 1;
+        let tasks = [];
+        inputs.forEach(inp => {
+            const nonce = clientId.toString() + '-' + idx.toString();
+            tasks.push(this.hpclient.sendContractInput((clientId + inp), nonce).then(submissionStatus => {
+                if (submissionStatus && submissionStatus != "ok")
+                    this.log("Input submission failed. reason: " + submissionStatus);
+            }));
+            idx++;
+        })
+        await Promise.all(tasks);
+    }
+
+    this.log = (text) => {
+        console.log(clientId + ": " + text)
+    }
+}
+
+main();

examples/nodejs_client/text-client.js

@@ -1,4 +1,3 @@
-const fs = require('fs');
 const readline = require('readline');
 const { exit } = require('process');
 const { HotPocketClient, HotPocketKeyGenerator, HotPocketEvents } = require('./hp-client-lib');