tokanize.js

const express = require('express');
const app = express();

// Endpoint to initiate a payment
app.post('/payment', (req, res) => {
  const paymentData = req.body;

  // Call the payment gateway API to tokenize the payment data
  const token = tokenizePaymentData(paymentData);

  // Store the token in your database or associate it with the customer
  storeToken(token);

  // Respond with the token to the client
  res.json({ token });
});

// Endpoint to process a payment using a token
app.post('/process-payment', (req, res) => {
  const { token, amount } = req.body;

  // Retrieve the token from your database or association
  const paymentData = retrievePaymentData(token);

  // Call the payment gateway API to process the payment using the token and amount
  const paymentResult = processPayment(paymentData, amount);

  // Respond with the payment result to the client
  res.json(paymentResult);
});

// Function to tokenize the payment data
function tokenizePaymentData(paymentData) {
  // Implement the logic to call the payment gateway API and tokenize the payment data
  // This may involve making an HTTP request to the payment gateway and receiving the token in response

  // For simplicity, this example generates a random token
  const token = generateRandomToken();
  return token;
}

// Function to store the token in your database or association
function storeToken(token) {
  // Implement the logic to store the token in your database or associate it with the customer
  // This may involve making a database query or using a caching system
}

// Function to retrieve the payment data associated with the token
function retrievePaymentData(token) {
  // Implement the logic to retrieve the payment data associated with the token
  // This may involve making a database query or using a caching system

  // For simplicity, this example returns a hardcoded payment data
  const paymentData = {
    cardNumber: '**** **** **** 1234',
    expirationDate: '12/2023',
    cvv: '***'
  };
  return paymentData;
}

// Function to process the payment using the payment data and amount
function processPayment(paymentData, amount) {
  // Implement the logic to call the payment gateway API and process the payment using the payment data and amount
  // This may involve making an HTTP request to the payment gateway and receiving the payment result in response

  // For simplicity, this example returns a hardcoded payment result
  const paymentResult = {
    success: true,
    message: 'Payment processed successfully'
  };
  return paymentResult;
}

// Function to generate a random token (for demonstration purposes only)
function generateRandomToken() {
  return Math.random().toString(36).substr(2);
}

// Start the server
app.listen(3000, () => {
  console.log('Server is running on port 3000');
});

// Endpoint to initiate a payment
app.post('/payment', (req, res) => {
    const paymentData = req.body;
  
    // Call the payment gateway API to tokenize the payment data
    const token = tokenizePaymentData(paymentData);
  
    // Store the token in your database or associate it with the customer
    storeToken(token);
  
    // Respond with the token to the client
    res.json({ token });
  });
  
  // Endpoint to process a payment using a token
  app.post('/process-payment', (req, res) => {
    const { token, amount } = req.body;
  
    // Retrieve the payment data associated with the token
    const paymentData = retrievePaymentData(token);
  
    // Call the payment gateway API to process the payment using the payment data and amount
    const paymentResult = processPayment(paymentData, amount);
  
    // Respond with the payment result to the client
    res.json(paymentResult);
  });