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