Create trqf.js

Author: KOSASIH

src/space/trqf.js

@@ -0,0 +1,86 @@
+// src/space/trqf.js
+const express = require('express');
+const bodyParser = require('body-parser');
+const Web3 = require('web3');
+const { body, validationResult } = require('express-validator');
+const morgan = require('morgan');
+const { createSimulation, getSimulationResults } = require('./simulationEngine'); // Assume these functions are defined in simulationEngine.js
+
+const app = express();
+app.use(bodyParser.json());
+app.use(morgan('combined')); // Logging middleware
+
+// Load environment variables
+const ETH_NODE_URL = process.env.ETH_NODE_URL || 'https://your.ethereum.node';
+const WALLET_ADDRESS = process.env.WALLET_ADDRESS || 'your_wallet_address';
+const CONTRACT_ADDRESS = process.env.CONTRACT_ADDRESS || 'contract_address';
+
+const web3 = new Web3(ETH_NODE_URL); // Connect to Ethereum node
+
+// API Endpoint to start a simulation
+app.post('/api/simulate', [
+  body('strategy').isString().notEmpty().withMessage('Strategy is required')
+], async (req, res) => {
+  const errors = validationResult(req);
+  if (!errors.isEmpty()) {
+    return res.status(400).json({ errors: errors.array() });
+  }
+
+  const { strategy } = req.body;
+  try {
+    const simulationId = await createSimulation(strategy);
+    res.status(201).send({ message: 'Simulation started', simulationId });
+  } catch (error) {
+    console.error('Error starting simulation:', error);
+    res.status(500).send('Failed to start simulation');
+  }
+});
+
+// API Endpoint to get simulation results
+app.get('/api/simulation/:id', async (req, res) => {
+  const { id } = req.params;
+  try {
+    const results = await getSimulationResults(id);
+    res.send({ results });
+  } catch (error) {
+    console.error('Error fetching simulation results:', error);
+    res.status(500).send('Failed to fetch results');
+  }
+});
+
+// API Endpoint to record results on the blockchain
+app.post('/api/record', [
+  body('simulationId').isString().notEmpty().withMessage('Simulation ID is required'),
+  body('results').isArray().notEmpty().withMessage('Results are required')
+], async (req, res) => {
+  const errors = validationResult(req);
+  if (!errors.isEmpty()) {
+    return res.status(400).json({ errors: errors.array() });
+  }
+
+  const { simulationId, results } = req.body;
+  try {
+    const transaction = await web3.eth.sendTransaction({
+      from: WALLET_ADDRESS,
+      to: CONTRACT_ADDRESS,
+      data: web3.utils.toHex(JSON.stringify({ simulationId, results })),
+    });
+
+    // Wait for transaction confirmation
+    const receipt = await web3.eth.getTransactionReceipt(transaction.transactionHash);
+    if (receipt && receipt.status) {
+      res.send({ message: 'Results recorded on blockchain', transaction });
+    } else {
+      res.status(500).send('Transaction failed');
+    }
+  } catch (error) {
+    console.error('Error recording results:', error);
+    res.status(500).send('Failed to record results');
+  }
+});
+
+// Start the server
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+  console.log(`TRQF server running on port ${PORT}`);
+});