Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Learn Blockchain Programming with JavaScript

You're reading from   Learn Blockchain Programming with JavaScript Build your very own Blockchain and decentralized network with JavaScript and Node.js

Arrow left icon
Product type Paperback
Published in Nov 2018
Publisher Packt
ISBN-13 9781789618822
Length 252 pages
Edition 1st Edition
Languages
Concepts
Arrow right icon
Author (1):
Arrow left icon
Eric Traub Eric Traub
Author Profile Icon Eric Traub
Eric Traub
Arrow right icon
View More author details
Toc

Table of Contents (10) Chapters Close

Preface 1. Setting up the Project 2. Building a Blockchain FREE CHAPTER 3. Accessing the Blockchain through an API 4. Creating a Decentralized Blockchain Network 5. Synchronizing the Network 6. Consensus Algorithms 7. Block Explorer 8. In conclusion... 9. Other Books You May Enjoy

Building the /transaction/broadcast endpoint

In this section, let's build a new endpoint called /transaction/broadcast. Anytime we want to create a new transaction from now on, we're going to hit this /transaction/broadcast endpoint. This endpoint will do two things:

  • It will create a new transaction.
  • It will then broadcast that new transaction to all the other nodes in the network.

Let's go through the following steps to create the endpoint:

  1. To add this endpoint, go to the dev/networkNode.js file where we have defined all the endpoints, and add this new endpoint as follows:
app.post('/transaction/broadcast', function(req, res) )  {

});
  1. Then, in order for the endpoint to carry out the aforementioned functionalities, add the following highlighted code to the endpoint:
app.post('/transaction/broadcast', function(req, res) )  {
const newTransaction...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime