[PAY-568] Add route to identity to create a Stripe session (#3879)

* Add route to identity to create stripe session

* Add config for stripe secret key

* Lint fix

* Add stripeSecretKey to config schema

identity-service/default-config.json

@@ -4,7 +4,7 @@
   "redisHost": "identity-redis",
   "redisPort": 6379,
   "logLevel": "debug",
-  "ipdataAPIKey":"",
+  "ipdataAPIKey": "",
   "twitterAPIKey": "",
   "twitterAPISecret": "",
   "tikTokAPIKey": "",
@@ -70,5 +70,6 @@
   "hCaptchaSecret": "",
   "solanaFeePayerWallets": "[]",
   "sentryDSN": "",
-  "solanaEndpoint": "https://api.mainnet-beta.solana.com"
+  "solanaEndpoint": "https://api.mainnet-beta.solana.com",
+  "stripeSecretKey": ""
 }

identity-service/src/config.js

@@ -809,6 +809,12 @@ const config = convict({
     format: String,
     env: 'cognitoRetrySecret',
     default: ''
+  },
+  stripeSecretKey: {
+    doc: 'Secret key for Stripe Crypto On-Ramp Integration',
+    format: String,
+    env: 'stripeSecretKey',
+    default: ''
   }
 })
 

identity-service/src/routes/stripe.js

@@ -0,0 +1,64 @@
+const {
+  handleResponse,
+  successResponse,
+  errorResponse,
+  errorResponseBadRequest
+} = require('../apiHelpers')
+const config = require('../config')
+const axios = require('axios')
+const axiosHttpAdapter = require('axios/lib/adapters/http')
+const { logger } = require('../logging')
+
+const createAuthHeader = () => {
+  const secretKey = config.get('stripeSecretKey')
+  return {
+    Authorization: `Basic ${Buffer.from(secretKey + ':', 'utf-8').toString(
+      'base64'
+    )}`
+  }
+}
+
+module.exports = function (app) {
+  app.post(
+    '/stripe/session',
+    handleResponse(async (req) => {
+      const { destinationWallet, amount } = req.body
+
+      if (!destinationWallet || !amount) {
+        return errorResponseBadRequest('Missing destinationWallet or amount')
+      }
+
+      const urlEncodedData = new URLSearchParams({
+        customer_wallet_address: destinationWallet,
+        'transaction_details[wallet_address]': destinationWallet,
+        'transaction_details[supported_destination_networks][]': 'solana',
+        'transaction_details[supported_destination_currencies][]': 'sol',
+        'transaction_details[destination_network]': 'solana',
+        'transaction_details[destination_currency]': 'sol',
+        'transaction_details[destination_exchange_amount]': amount
+      })
+
+      try {
+        const req = {
+          adapter: axiosHttpAdapter,
+          url: 'https://api.stripe.com/v1/crypto/onramp_sessions',
+          method: 'POST',
+          headers: {
+            // Required form-urlencoded for the Stripe API
+            'Content-Type': 'application/x-www-form-urlencoded',
+            ...createAuthHeader()
+          },
+          data: urlEncodedData
+        }
+        const response = await axios(req)
+        return successResponse(response.data)
+      } catch (e) {
+        logger.error('Failed to create Stripe session:', e.response.data)
+        return errorResponse(
+          e.response.status,
+          'Failed to create Stripe session'
+        )
+      }
+    })
+  )
+}