Cleanup upgrades

backend/disputeHandler.js

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+const express = require('express');
+const router = express.Router();
+
+router.post('/', async (req, res) => {
+  const { escrowId, reason } = req.body;
+  // TODO: Log dispute and notify admin
+  res.json({ escrowId, status: 'dispute logged', reason });
+});
+
+module.exports = router;

backend/escrowController.js

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+const express = require('express');
+const router = express.Router();
+
+router.post('/initiate', async (req, res) => {
+  const { buyerId, sellerId, amount } = req.body;
+  const escrowId = Date.now(); // Simple unique ID
+  // TODO: Save to database or in-memory store
+  res.json({ escrowId, status: 'pending' });
+});
+
+router.post('/release/:id', async (req, res) => {
+  const escrowId = req.params.id;
+  // TODO: Validate and release funds
+  res.json({ escrowId, status: 'released' });
+});
+
+module.exports = router;

backend/index.js

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+const express = require('express');
+const cors = require('cors');
+const bodyParser = require('body-parser');
+
+const escrowController = require('./escrowController');
+const reputationService = require('./reputationService');
+const disputeHandler = require('./disputeHandler');
+
+const app = express();
+const PORT = process.env.PORT || 5000;
+
+app.use(cors());
+app.use(bodyParser.json());
+
+app.use('/api/escrow', escrowController);
+app.use('/api/reputation', reputationService);
+app.use('/api/dispute', disputeHandler);
+
+app.get('/', (req, res) => {
+  res.send('TrustSphere backend is running');
+});
+
+app.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}`);
+});

backend/reputationService.js

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+const express = require('express');
+const router = express.Router();
+
+router.get('/:userId', async (req, res) => {
+  const userId = req.params.userId;
+  // TODO: Replace with real scoring logic
+  const score = 80; // Placeholder score
+  res.json({ userId, score });
+});
+
+module.exports = router;

doc/api.md

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+# TrustSphere API Documentation
+
+This document outlines the backend routes and logic for TrustSphere’s modular trust infrastructure.
+
+---
+
+## 🔐 Escrow Routes
+
+### `POST /api/escrow/initiate`
+Initiates an escrow transaction between buyer and seller.
+
+**Body Parameters:**
+- `buyerId`
+- `sellerId`
+- `amount`
+- `itemDescription`
+
+### `POST /api/escrow/release`
+Releases funds from escrow after successful transaction.
+
+**Body Parameters:**
+- `escrowId`
+- `confirmationCode`
+
+---
+
+## 📊 Reputation Routes
+
+### `GET /api/reputation/:userId`
+Fetches the reputation score for a given user.
+
+**Params:**
+- `userId` (string)
+
+---
+
+## ⚖️ Dispute Routes
+
+### `POST /api/dispute/submit`
+Submits a dispute for review.
+
+**Body Parameters:**
+- `transactionId`
+- `reason`
+- `evidence` (optional)
+
+---
+
+## 🧠 Notes
+
+- All routes expect JSON payloads.
+- Authentication is optional for demo purposes.
+- Future versions will include Pi user verification and dispute arbitration logic.
+

frontend/App.js

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+import { BrowserRouter as Router, Routes, Route } from 'react-router-dom';
+import LandingPage from './LandingPage';
+import Escrow from './Escrow';
+import Reputation from './Reputation';
+import DisputeForm from './DisputeForm';
+
+function App() {
+  return (
+    <Router>
+      <Routes>
+        <Route path="/" element={<LandingPage />} />
+        <Route path="/escrow" element={<Escrow />} />
+        <Route path="/reputation" element={<Reputation />} />
+        <Route path="/dispute" element={<DisputeForm />} />
+      </Routes>
+    </Router>
+  );
+}
+
+export default App;

frontend/LandingPage.css

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+.landing-container {
+  padding: 2rem;
+  font-family: sans-serif;
+  background-color: #f9f9f9;
+  color: #333;
+}
+
+h1 {
+  color: #5c2d91;
+}
+
+.link-list {
+  list-style: none;
+  padding: 0;
+}
+
+.link-list li {
+  margin: 1rem 0;
+}
+
+.link-list a {
+  color: #5c2d91;
+  text-decoration: none;
+  font-weight: bold;
+}

frontend/LandingPage.js

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+import React from 'react';
+import './LandingPage.css'; // Optional: for styling
+
+function LandingPage() {
+  return (
+    <div className="landing-container">
+      <h1>Welcome to TrustSphere</h1>
+      <p>
+        A modular trust infrastructure for the Pi economy — combining escrow, reputation scoring, and dispute resolution.
+      </p>
+
+      <ul className="link-list">
+        <li><a href="/escrow">🔐 Escrow Demo</a></li>
+        <li><a href="/reputation">📊 Reputation Score</a></li>
+        <li><a href="/dispute">⚖️ Dispute Form</a></li>
+        <li><a href="https://github.com/oreo-collab/demo" target="_blank" rel="noopener noreferrer">📁 GitHub Repo</a></li>
+        <li><a href="https://github.com/oreo-collab/demo/blob/main/docs/api.md" target="_blank" rel="noopener noreferrer">📚 API Docs</a></li>
+        <li><a href="https://github.com/oreo-collab/demo/blob/main/roadmap.md" target="_blank" rel="noopener noreferrer">🛣️ Roadmap</a></li>
+      </ul>
+    </div>
+  );
+}
+
+export default LandingPage;

frontend/disputeForm.js

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+export function submitDispute(escrowId, reason) {
+  return fetch('/api/dispute', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({ escrowId, reason })
+  });
+}

frontend/escrow.js

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+export function initiateEscrow(buyerId, sellerId, amount) {
+  return fetch('/api/escrow/initiate', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({ buyerId, sellerId, amount })
+  });
+}
+
+export function releaseFunds(escrowId) {
+  return fetch(`/api/escrow/release/${escrowId}`, {
+    method: 'POST'
+  });
+}