Blockchain: Hyperledger Composer for Building a Network Training Course

Introduction

• Overview of the Hyperledger Composer framework
• Concepts behind blockchain business networks
• Learning objectives and environment setup

Defining Assets, Business Rules, and Participants

• Modeling core assets, participants, and transaction flows
• Using the Business Network Modeling Language (CTO files)
• Implementing transaction logic via JavaScript

Identity and Access Control

• Issuing and managing digital identities
• Configuring Access Control Lists (ACLs)
• Security best practices and considerations

Modeling Reusable Core Components

• Architecting modular and maintainable network models
• Applying reusability and inheritance within Composer models

Utilizing Business Network Archive Packages

• Generating and exporting .bna packages
• Managing version control and package lifecycle

Generating JavaScript and REST APIs

• Automating REST API generation with Composer REST Server
• Customizing API endpoints and security settings

Development and Testing in Composer Playground

• Simulating network environments within a browser
• Testing transactions, models, and identity mechanisms
• Debugging complex transaction logic

Deployment to Live Hyperledger Fabric Blockchain

• Preparing the Fabric runtime for production deployment
• Deploying Business Network Archive files
• Verifying deployment integrity and conducting live tests

Integration with External Systems

• Connecting Composer APIs to web and enterprise applications
• Exploring use cases in IoT, supply chain, and finance

Creating and Testing Blockchain Applications

• Designing front-end interfaces for blockchain interaction
• Executing an end-to-end development demonstration

Troubleshooting

• Identifying and resolving common errors
• Leveraging debugging tools and log analysis

Summary and Next Steps

• Recap of core concepts
• Best practices and strategic next steps
• Resources for ongoing professional development