verification-service/index.js

// 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);
  }
});