v12.0.0 - initial commit

packages/server/lib/routes/verifyPromoCodeRoutes.js

@@ -0,0 +1,46 @@
+const express = require('express')
+const router = express.Router()
+
+const BN = require('../bn')
+const commissionMath = require('../commission-math')
+const configManager = require('../new-config-manager')
+const loyalty = require('../loyalty')
+const respond = require('../respond')
+
+function verifyPromoCode(req, res, next) {
+  loyalty
+    .getPromoCode(req.body.codeInput)
+    .then(promoCode => {
+      if (!promoCode) return next()
+
+      const transaction = req.body.tx
+      const commissions = configManager.getCommissions(
+        transaction.cryptoCode,
+        req.deviceId,
+        req.settings.config,
+      )
+      const tickerRate = new BN(transaction.rawTickerPrice)
+      const discount = commissionMath.getDiscountRate(
+        promoCode.discount,
+        commissions[transaction.direction],
+      )
+      const rates = {
+        [transaction.cryptoCode]: {
+          [transaction.direction]:
+            transaction.direction === 'cashIn'
+              ? tickerRate.times(discount).decimalPlaces(5)
+              : tickerRate.div(discount).decimalPlaces(5),
+        },
+      }
+
+      respond(req, res, {
+        promoCode: promoCode,
+        newRates: rates,
+      })
+    })
+    .catch(next)
+}
+
+router.post('/', verifyPromoCode)
+
+module.exports = router