Google Pay

// 1. Define the Tokenization Specification (HiPay Gateway configuration)
const tokenizationSpecification = {
  type: 'PAYMENT_GATEWAY',
  parameters: {
    'gateway': 'hipay',
    'gatewayMerchantId': btoa('YOUR_PUBLIC_API_USERNAME') // Your HiPay public API username encoded in Base64 format
  }
};

// 2. Define the Card Payment Method (Supported networks and authentication)
const cardPaymentMethod = {
  type: 'CARD',
  parameters: {
    allowedAuthMethods: ['PAN_ONLY', 'CRYPTOGRAM_3DS'], // HiPay supports both authentication methods
    allowedCardNetworks: ['MASTERCARD', 'VISA', 'MAESTRO'], // Supported card networks on HiPay
    billingAddressRequired: true,
    billingAddressParameters: {
      format: 'FULL', // FULL includes all address fields (street, city, postal code, country)
      isPhoneNumberRequired: false // Set to true if you need the phone number
    }
  },
  tokenizationSpecification: tokenizationSpecification
};

// 3. Complete Google Pay Request Object containing your Merchant Identity
const paymentDataRequest = {
  apiVersion: 2,
  apiVersionMinor: 0,
  allowedPaymentMethods: [cardPaymentMethod],
  
  merchantInfo: {
    // TEST ENVIRONMENT: This field is not validated by Google. You can use a dummy value (e.g., '01234567890123456789').
    // PRODUCTION ENVIRONMENT: Replace with your official 20-digit Google Merchant ID obtained from the Google Pay Console.
    merchantId: 'YOUR_GOOGLE_MERCHANT_ID', 
    
    merchantName: 'Your Store Name' // The brand name that will be displayed to the customer in the Google Pay payment sheet
  },
  
  transactionInfo: {
    totalPriceStatus: 'FINAL',
    totalPrice: '45.00', // Total transaction amount
    currencyCode: 'EUR',  // ISO 4217 currency code
    countryCode: 'FR' // ISO 3166-1 alpha-2 country code - Required if customer is in a SCA-regulated region (e.g., EEA, UK)
  }
};