Create verification-service/index.js

verification-service/index.js

@@ -0,0 +1,47 @@
+// Minimal verification: subscribe to Redis events, perform a basic check (stub for ML/human)
+const Redis = require('ioredis');
+const fetch = require('node-fetch');
+const { Pool } = require('pg');
+
+const redis = new Redis(process.env.REDIS_URL || 'redis://localhost:6379');
+const pool = new Pool({ connectionString: process.env.DATABASE_URL || 'postgresql://localhost/integral' });
+
+redis.subscribe('infra:faults:created', (err, count) => {
+  if (err) return console.error(err);
+  console.log('subscribed to faults created');
+});
+
+redis.on('message', async (channel, message) => {
+  if (channel !== 'infra:faults:created') return;
+  try {
+    const ev = JSON.parse(message);
+    console.log('verifying', ev.id);
+
+    // === SIMPLE AUTO-VERIFICATION STUB ===
+    // Real system: call ML model, analyze images, cross-check sensors, or queue human verification.
+    const fakeConfidence = Math.random(); // stub
+    const confirmed = fakeConfidence > 0.45; // threshold
+
+    const q = `UPDATE objects SET confirmed = $1 WHERE id = $2 RETURNING *`;
+    const r = await pool.query(q, [confirmed, ev.id]);
+    const obj = r.rows[0];
+
+    // Publish confirmation event
+    await redis.publish('infra:faults:confirmed', JSON.stringify({ id: obj.id, confirmed }));
+
+    // If confirmed, optionally auto-create a payout job (policy-driven)
+    if (confirmed) {
+      // simple rule: severity * baseAmount
+      const baseAmount = 5000; // 50.00 ZAR in minor units? (example uses cents)
+      const total = baseAmount * (obj.severity || 1);
+      const insert = `INSERT INTO payouts (fault_id, amount_minor_units, currency, payee_id, status)
+                      VALUES ($1,$2,$3,$4,'created') RETURNING *`;
+      const payeeId = 'local-contractor-123'; // real system: choose via procurement/TMS
+      const pay = await pool.query(insert, [obj.id, total, 'ZAR', payeeId]);
+      await redis.publish('payouts:created', JSON.stringify({ payoutId: pay.rows[0].id }));
+    }
+
+  } catch (err) {
+    console.error('verify error', err);
+  }
+});