138 lines
3.5 KiB
TypeScript
138 lines
3.5 KiB
TypeScript
import * as functions from 'firebase-functions'
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import * as admin from 'firebase-admin'
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import Stripe from 'stripe'
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import { payUser } from './utils'
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export type StripeTransaction = {
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userId: string
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manticDollarQuantity: number
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sessionId: string
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session: any
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timestamp: number
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}
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const stripe = new Stripe(functions.config().stripe.apikey, {
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apiVersion: '2020-08-27',
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typescript: true,
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})
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// manage at https://dashboard.stripe.com/test/products?active=true
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const manticDollarStripePrice =
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admin.instanceId().app.options.projectId === 'mantic-markets'
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? {
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500: 'price_1KFQXcGdoFKoCJW770gTNBrm',
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1000: 'price_1KFQp1GdoFKoCJW7Iu0dsF65',
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2500: 'price_1KFQqNGdoFKoCJW7SDvrSaEB',
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10000: 'price_1KFQraGdoFKoCJW77I4XCwM3',
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}
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: {
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500: 'price_1K8W10GdoFKoCJW7KWORLec1',
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1000: 'price_1K8bC1GdoFKoCJW76k3g5MJk',
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2500: 'price_1K8bDSGdoFKoCJW7avAwpV0e',
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10000: 'price_1K8bEiGdoFKoCJW7Us4UkRHE',
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}
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export const createCheckoutSession = functions
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.runWith({ minInstances: 1 })
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.https.onRequest(async (req, res) => {
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const userId = req.query.userId?.toString()
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const manticDollarQuantity = req.query.manticDollarQuantity?.toString()
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if (!userId) {
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res.status(400).send('Invalid user ID')
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return
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}
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if (
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!manticDollarQuantity ||
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!Object.keys(manticDollarStripePrice).includes(manticDollarQuantity)
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) {
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res.status(400).send('Invalid Mantic Dollar quantity')
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return
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}
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const referrer =
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req.query.referer || req.headers.referer || 'https://mantic.markets'
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const session = await stripe.checkout.sessions.create({
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metadata: {
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userId,
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manticDollarQuantity,
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},
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line_items: [
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{
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price:
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manticDollarStripePrice[
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manticDollarQuantity as unknown as keyof typeof manticDollarStripePrice
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],
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quantity: 1,
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},
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],
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mode: 'payment',
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success_url: `${referrer}?funding-success`,
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cancel_url: `${referrer}?funding-failiure`,
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})
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res.redirect(303, session.url || '')
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})
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export const stripeWebhook = functions
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.runWith({ minInstances: 1 })
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.https.onRequest(async (req, res) => {
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let event
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try {
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event = stripe.webhooks.constructEvent(
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req.rawBody,
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req.headers['stripe-signature'] as string,
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functions.config().stripe.webhooksecret
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)
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} catch (e: any) {
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console.log(`Webhook Error: ${e.message}`)
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res.status(400).send(`Webhook Error: ${e.message}`)
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return
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}
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if (event.type === 'checkout.session.completed') {
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const session = event.data.object as any
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await issueMoneys(session)
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}
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res.status(200).send('success')
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})
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const issueMoneys = async (session: any) => {
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const { id: sessionId } = session
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const query = await firestore
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.collection('stripe-transactions')
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.where('sessionId', '==', sessionId)
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.get()
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if (!query.empty) {
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console.log('session', sessionId, 'already processed')
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return
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}
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const { userId, manticDollarQuantity } = session.metadata
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const payout = Number.parseInt(manticDollarQuantity)
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const transaction: StripeTransaction = {
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userId,
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manticDollarQuantity: payout, // save as number
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sessionId,
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session,
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timestamp: Date.now(),
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}
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await firestore.collection('stripe-transactions').add(transaction)
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await payUser(userId, payout)
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console.log('user', userId, 'paid M$', payout)
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}
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const firestore = admin.firestore()
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