Create externalServices.js

src/api/externalServices.js

@@ -0,0 +1,106 @@
+// externalServices.js
+
+const axios = require('axios');
+const Stripe = require('stripe');
+const twilio = require('twilio');
+
+// Configuration for external services
+const STRIPE_API_KEY = 'your_stripe_api_key';
+const TWILIO_ACCOUNT_SID = 'your_twilio_account_sid';
+const TWILIO_AUTH_TOKEN = 'your_twilio_auth_token';
+const TWILIO_PHONE_NUMBER = 'your_twilio_phone_number';
+const BINANCE_API_URL = 'https://api.binance.com/api/v3';
+
+// Initialize external service clients
+const stripe = new Stripe(STRIPE_API_KEY);
+const twilioClient = twilio(TWILIO_ACCOUNT_SID, TWILIO_AUTH_TOKEN);
+
+// External Services Class
+class ExternalServices {
+    // Payment processing with Stripe
+    async processPayment(amount, currency, source) {
+        try {
+            const paymentIntent = await stripe.paymentIntents.create({
+                amount,
+                currency,
+                payment_method: source,
+                confirmation_method: 'manual',
+                confirm: true,
+            });
+            return paymentIntent;
+        } catch (error) {
+            console.error('Error processing payment:', error);
+            throw new Error('Payment processing failed');
+        }
+    }
+
+    // Send SMS notifications using Twilio
+    async sendSMS(to, message) {
+        try {
+            const messageResponse = await twilioClient.messages.create({
+                body: message,
+                from: TWILIO_PHONE_NUMBER,
+                to,
+            });
+            return messageResponse;
+        } catch (error) {
+            console.error('Error sending SMS:', error);
+            throw new Error('SMS sending failed');
+        }
+    }
+
+    // Fetch cryptocurrency prices from Binance
+    async fetchCryptoPrice(symbol) {
+        try {
+            const response = await axios.get(`${BINANCE_API_URL}/ticker/price`, {
+                params: { symbol: symbol.toUpperCase() },
+            });
+            return response.data.price;
+        } catch (error) {
+            console.error('Error fetching crypto price:', error);
+            throw new Error('Could not fetch cryptocurrency price');
+        }
+    }
+
+    // Example method to execute a trade on Binance
+    async executeTrade(symbol, quantity, side) {
+        // Note: This is a placeholder for actual trading logic
+        // You would need to implement authentication and order creation
+        console.log(`Executing ${side} trade for ${quantity} of ${symbol}`);
+        // Implement trading logic here
+    }
+}
+
+// Example usage
+(async () => {
+    const externalServices = new ExternalServices();
+
+    // Process a payment
+    try {
+        const paymentResponse = await externalServices.processPayment(5000, 'usd', 'pm_card_visa');
+        console.log('Payment processed:', paymentResponse);
+    } catch (error) {
+        console.error(error.message);
+    }
+
+    // Send an SMS notification
+    try {
+        const smsResponse = await externalServices.sendSMS('+1234567890', 'Your transaction was successful!');
+        console.log('SMS sent:', smsResponse);
+    } catch (error) {
+        console.error(error.message);
+    }
+
+    // Fetch cryptocurrency price
+    try {
+        const price = await externalServices.fetchCryptoPrice('BTCUSDT');
+        console.log('Current BTC price:', price);
+    } catch (error) {
+        console.error(error.message);
+    }
+
+    // Execute a trade (placeholder)
+    await externalServices.executeTrade('BTCUSDT', 0.01, 'BUY');
+})();
+
+module.exports = ExternalServices;