Blockchain By Example

Requesting payment details

As defined by the protocol, when the customer clicks on the payment link, its wallet (bitcoin client) will request the /request endpoint to get the merchant's payment request with all the necessary data:

  var urlencodedParser = bodyParser.urlencoded({ extended: false });  app.get("/request", urlencodedParser, function(req, res) {      var amount = req.query.amount;      amount = (amount === undefined) ? 0 : amount; // set amount to 0 if undefined      var merchant_outputs = []; // Where payment should be sent      var outputs = new PaymentProtocol().makeOutput();      outputs.set('amount', amount);      var script = bitcore_lib.Script.buildPublicKeyHashOut(Merchant_address.toString());      outputs.set('script', script.toBuffer()); merchant_outputs.push(outputs.message); ...