Smart Contracts & Hyperledger Fabric: Hyperledger Fabric Web App

Blockchain
  • 8 Videos | 1h 2m 18s
  • Includes Assessment
  • Earns a Badge
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Examine steps involved in building a JavaScript web application that interacts with a smart contract deployed to a Hyperledger Fabric network in your Blockchain solutions. In this course, participants use NodeJS to code an application to create an admin user for an organization connected to a Fabric network. You will write an application in NodeJS that uses admin credentials to provision the application user. Learn how to develop a NodeJS application that retrieves an instance of a smart contract deployed to a Fabric network and invoke query applications on it. In building the backend of the Fabric web app, create a NodeJS application able to invoke queries and transactions against chaincode deployed to Hyperledger Fabric. Then build a web UI enabling both queries and transactions against a smart contract by connecting to the previously created backend app. Test the app by verifying features implemented by accessing the UI and invoking queries and transactions. The closing exercise uses a Gateway instance to retrieve chaincode from a Fabric network and uses a contract instance to perform read and write operations.

WHAT YOU WILL LEARN

  • identify the subject areas covered in this course
    use NodeJS to code an application that will create an admin user for an organization connected to a Hyperledger Fabric network
    write an application in NodeJS that will use admin credentials in order to provision an application user
    develop a NodeJS application that can retrieve an instance of a smart contract deployed to a Fabric Network and invoke query operations on it
  • create a NodeJS application that is able to invoke queries and transactions against chaincode deployed to Hyperledger Fabric
    build a web UI that enables both queries and transactions against a smart contract by connecting to the backend app created previously
    verify the features implemented in the application by accessing the UI and invoking queries and transactions
    use a Gateway instance to retrieve chaincode from a Fabric network and use a contract instance to perform read and write operations

IN THIS COURSE

  • Playable
    1. 
    Course Overview
    2m 20s
    UP NEXT
  • Playable
    2. 
    Creating an Admin User for a Fabric Network
    9m 3s
  • Locked
    3. 
    Creating an Application User for a Fabric Network
    8m 46s
  • Locked
    4. 
    Querying Deployed Chaincode from a Node App
    9m 47s
  • Locked
    5. 
    Fabric Web App - Building the Backend
    7m 8s
  • Locked
    6. 
    Fabric Web App - Building the UI
    9m 26s
  • Locked
    7. 
    Testing the Fabric App
    7m 22s
  • Locked
    8. 
    Exercise: Building a Fabric Web App
    5m 26s

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