Book Image

Blockchain across Oracle

By : Robert van Molken
Book Image

Blockchain across Oracle

By: Robert van Molken

Overview of this book

Blockchain across Oracle gives you the professional orientation to Blockchain that you need as an Oracle developer in today’s changing world. Written and prepared for you by Oracle Developer Champion Robert van Mölken, this book gets you up to speed with the details of the Blockchain - core concepts, how to implement Oracle’s Blockchain Cloud Service, industry implications for the Blockchain, and how the Blockchain will affect your Oracle customers. Robert van Mölken introduces you to the history and concepts of the Blockchain. You’ll really get to understand the Blockchain inside and out, as an Oracle developer or solution architect. You’ll understand the Blockchain flow, and how the hashes and chains create a new decentralised paradigm for you as an Oracle developer. You’ll gain insights into how the Blockchain affects Oracle developers and customers in this modern and disruptive era. You’ll see how the Blockchain concepts work in this new world where Assets, Transactions, Security, and Privacy, can all be sustained across a decentralized system for your customers. Then you'll find a detailed look at the cutting-edge Oracle middleware solutions. You’ll learn about Hyperledger Fabric, the opensource Blockchain framework used by Oracle as its core, and how to set up your own Oracle Blockchain Network. You’ll design and develop a smart contract, and learn how to run it on the Oracle Blockchain Cloud Service. The final part of the book looks at how the Blockchain will affect your customers across various industry sectors. By studying industry trends in the financial services sector, healthcare industry, and the transport industry, you’ll discover how the options and possibilities for you and your clients are being transformed by the Blockchain across Oracle. You’ll complete this professional orientation by looking at Blockchain trends and future directions.
Table of Contents (24 chapters)
Title Page
Packt Upsell
Contributors
Preface
3
Blockchain 101 - Assets, Transactions, and Hashes
4
Blockchain 101 - Blocks, Chains, and Consensus
Index

Setting up a private channel


Now that we have joined the member organizations to the existing business network, we can set up a new communication channel between those organizations. A channel is generally created by the founder organization, which permits member organizations to join the channel. To achieve this, we need to execute the following tasks:

  1. Create a new channel as the founder
  2. Join each of the member organization's peers to the channel

Create a new channel as the founder

In order for the organizations of our network to transact with each other, we first need to create a new channel (or edit the default channel) and configure which organizations can join the channel. In our case, we are going to create a new channel. We will create the channel as the founder organization and will name it insurancechain.

While logged into the administrative console of the founder, Acme, navigate to the Channels page. This page already lists one channel, called acmeservicesorderer, which is the default...