Add oracle API routes and standalone test server

oracle/oracle_server.js

@@ -0,0 +1,13 @@
+const express = require('express');
+const oracleRoutes = require('./routes');
+
+const app = express();
+const HOST = process.env.ORACLE_HOST || '127.0.0.1';
+const PORT = Number(process.env.ORACLE_PORT || 3210);
+
+app.use(express.json());
+app.use('/api', oracleRoutes);
+
+app.listen(PORT, HOST, () => {
+  console.log(`OTB Oracle test server listening on http://${HOST}:${PORT}/api`);
+});

oracle/routes.js

@@ -0,0 +1,89 @@
+const express = require('express');
+const {
+  listAssets,
+  getPrices,
+  buildQuote,
+  getStatus
+} = require('./price_engine');
+
+const router = express.Router();
+
+function sendError(res, status, message, extra = {}) {
+  return res.status(status).json({
+    ok: false,
+    error: message,
+    ...extra
+  });
+}
+
+router.get('/health', (req, res) => {
+  try {
+    return res.json({
+      ok: true,
+      service: 'otb-oracle',
+      version: '0.1.0',
+      time_utc: new Date().toISOString(),
+      status: 'healthy'
+    });
+  } catch (err) {
+    return sendError(res, 500, 'health_failed', { detail: err.message });
+  }
+});
+
+router.get('/assets', (req, res) => {
+  try {
+    return res.json(listAssets());
+  } catch (err) {
+    return sendError(res, 500, 'assets_failed', { detail: err.message });
+  }
+});
+
+router.get('/prices', (req, res) => {
+  try {
+    return res.json(getPrices());
+  } catch (err) {
+    return sendError(res, 500, 'prices_failed', { detail: err.message });
+  }
+});
+
+router.get('/price/:pairKey', (req, res) => {
+  try {
+    const pairKey = String(req.params.pairKey || '').trim().toUpperCase();
+    const prices = getPrices();
+    const asset = prices.assets?.[pairKey];
+
+    if (!asset) {
+      return sendError(res, 404, 'asset_not_found', { pair_key: pairKey });
+    }
+
+    return res.json(asset);
+  } catch (err) {
+    return sendError(res, 500, 'price_lookup_failed', { detail: err.message });
+  }
+});
+
+router.get('/quote', (req, res) => {
+  try {
+    const fiat = req.query.fiat || 'CAD';
+    const amount = req.query.amount;
+
+    if (amount === undefined || amount === null || amount === '') {
+      return sendError(res, 400, 'missing_amount');
+    }
+
+    const quote = buildQuote({ fiat, amount });
+    return res.json(quote);
+  } catch (err) {
+    return sendError(res, 400, 'quote_failed', { detail: err.message });
+  }
+});
+
+router.get('/status', (req, res) => {
+  try {
+    return res.json(getStatus());
+  } catch (err) {
+    return sendError(res, 500, 'status_failed', { detail: err.message });
+  }
+});
+
+module.exports = router;