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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

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Product type Paperback
Published in Nov 2018
Publisher Packt
ISBN-13 9781789618822
Length 252 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Eric Traub Eric Traub
Author Profile Icon Eric Traub
Eric Traub
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Table of Contents (10) Chapters Close

Preface 1. Setting up the Project FREE CHAPTER 2. Building a Blockchain 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

Refactoring the /transaction endpoint

We're going to refactor the /transaction endpoint in this section, so that it works perfectly with the new /transaction/broadcast endpoint. Let's apply the following steps to modify the endpoint:

  1. To get started, go to the dev/networkNode.js file and delete everything that is in the /transaction endpoint. The only time the /transaction endpoint will be hit is when the broadcast takes place. When the /transaction endpoint is being hit, the newTransaction variable will be sent as data. This condition can be defined as follows:
app.post('/transaction', function(req, res) {
const newTransaction = req.body;

};

In the preceding highlighted line, the newTransaction variable is sent to the /transaction endpoint with the help of req.body.

  1. Next, add the new transaction to the pendingTransactions array of whichever node receives...
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