Adds analytics

.devnet/analytics.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Get the directory of the bash script
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# Navigate to the directory containing the JavaScript program
+cd "$SCRIPT_DIR/analytics"
+
+# Check if the 'node_modules' directory exists
+if [ ! -d "node_modules" ]; then
+  echo "Node.js dependencies not found. Running 'npm install'..."
+  npm install
+else
+  echo "Node.js dependencies already installed."
+fi
+
+# Call the JavaScript program using Node.js
+npm start

.devnet/analytics/analytics.js

@@ -0,0 +1,75 @@
+const fs = require('fs');
+const axios = require('axios');
+
+// Read the ~/.ssh/config file
+const sshConfigFile = fs.readFileSync(`${process.env.HOME}/.ssh/config`, 'utf8');
+
+// Define the AWS node name to search for (e.g., aws-n0)
+const awsNodeName = 'aws-n0';
+
+// Use regular expressions to extract the IP address associated with aws-n0
+const regex = new RegExp(`Host\\s+${awsNodeName}[\\s\\S]*?HostName\\s+(\\S+)`);
+const match = sshConfigFile.match(regex);
+
+if (match && match[1]) {
+    const ipAddress = match[1];
+    const baseUrl = `http://${ipAddress}:3033/testnet3/block`;
+
+    console.log(`IP Address: ${ipAddress}`);
+    console.log(`Base URL: ${baseUrl}`);
+
+    // Function to get the latest block height
+    async function getLatestBlockHeight() {
+        try {
+            const response = await axios.get(`${baseUrl}/height/latest`);
+            const latestHeight = response.data;
+            console.log(`Latest Block Height: ${latestHeight}`);
+            return latestHeight;
+        } catch (error) {
+            console.error('Error fetching latest block height:', error.message);
+            return null;
+        }
+    }
+
+    // Function to calculate the average block time
+    async function calculateAverageBlockTime() {
+        const latestHeight = await getLatestBlockHeight();
+        if (latestHeight === null) {
+            return;
+        }
+
+        let totalBlockTime = 0;
+        let previousTimestamp = 0;
+
+        for (let height = 1; height <= latestHeight; height++) {
+            // Print the current height every 10 blocks
+            if (height % 10 === 0) {
+                console.log(`Processed ${height} blocks...`);
+            }
+
+            try {
+                const response = await axios.get(`${baseUrl}/${height}`);
+                const timestamp = response.data.header.metadata.timestamp;
+
+                if (timestamp && timestamp > 0) {
+                    if (previousTimestamp > 0) {
+                        const deltaTimestamp = timestamp - previousTimestamp;
+                        console.log(`Block ${height} Delta Timestamp: ${deltaTimestamp}`);
+                        totalBlockTime += deltaTimestamp;
+                    }
+                    previousTimestamp = timestamp;
+                }
+            } catch (error) {
+                console.error(`Error fetching block at height ${height}:`, error.message);
+            }
+        }
+
+        const averageBlockTime = totalBlockTime / (latestHeight - 1); // Subtract 1 for the first block
+        console.log(`Average Block Time: ${averageBlockTime} seconds`);
+    }
+
+    // Calculate and output the average block time
+    calculateAverageBlockTime();
+} else {
+    console.error(`No IP address found for ${awsNodeName} in ~/.ssh/config`);
+}

.devnet/analytics/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "analytics",
+  "version": "1.0.0",
+  "description": "",
+  "main": "analytics.js",
+  "scripts": {
+    "start": "node analytics.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "The Aleo Team",
+  "license": "Apache 2.0",
+  "dependencies": {
+    "axios": "^1.5.1"
+  }
+}

.gitignore

@@ -9,3 +9,5 @@ wasm/Cargo.lock
 validator-*
 **.bft-storage-*/
 **proptest-regressions/
+**package-lock.json
+**node_modules/