testBuyLinkSignature.js

const Twocheckout = require("../twocheckout");
const config = {
    sellerId: "",
    secretKey: "",
    secretWord: "",
    jwtExpireTime: 20, //minutes
};

let lastRefNo = null;

const tco = new Twocheckout(config);
console.log("Test buy link generate signature.");

const buyLinkParams = {
    address: 'Test Address',
    city: 'LA',
    country: 'US',
    name: 'Customer 2Checkout',
    phone: '0770678987',
    zip: '12345',
    email: 'testcustomer@2Checkout.com',
    'company-name': 'Verifone',
    state: 'California',
    'ship-name': 'Customer 2Checkout',
    'ship-address': 'Test Address',
    'ship-city': 'LA',
    'ship-country': 'US',
    'ship-email': 'testcustomer@2Checkout.com',
    'ship-state': 'California',
    prod: 'Buy link Dynamic product test product from API',
    price: 1,
    qty: 1,
    type: 'PRODUCT',
    tangible: 0,
    src: 'NodeJsLibrary',
    'return-url': 'http://tcoLib.example/paymentCallback.php',
    'return-type': 'redirect',
    expiration: new Date().getTime() + 3600 * 5,
    'order-ext-ref': 'CustOrd100',
    'item-ext-ref': '20230614145657',
    'customer-ext-ref': 'testcustomer@2Checkout.com',
    currency: 'usd',
    language: 'en',
    test: 1,
    merchant: config.sellerId,
    dynamic: 1
  };

console.log("Generate buy link signature using callback.");
tco.generateBuyLinkSignature(buyLinkParams, (err, res) => {
    if (err) {
        console.error("Error: %s", err.toString());
    } else if ("signature" in res) {
        console.log("Generated Signature: %s", res.signature);
        let finalParams = JSON.parse(JSON.stringify(buyLinkParams));
        finalParams.signature = res.signature;
        const params = new URLSearchParams(finalParams);
        const str = params.toString();
        const redirectTo = "https://secure.2checkout.com/checkout/buy/?" + str;
        console.log("Redirect to: %s", redirectTo);
    } else {
        console.error("Signature not found! Res: %s", res.toString());
    }
});

console.log("Testing using async/await.");
(async () => {
    try {
        let result = await tco.generateBuyLinkSignature(buyLinkParams);
        console.log("\r\nAsync/Await signature result: %s", result.signature);
        //make a copy of the current params object which contains src
        let finalParams = JSON.parse(JSON.stringify(buyLinkParams));
        finalParams.signature = result.signature;

        const params = new URLSearchParams(finalParams);
        const str = params.toString();
        const redirectTo = "https://secure.2checkout.com/checkout/buy/?" + str;
        console.log("Async/Await Redirect to: %s", redirectTo);
    } catch (error) {
        console.error(error);
    }
})();