Block Chain Development discussion 5

Professor Michael Solomon

BLCN 532 Blockchain development

Chapter 7

Chapter 7

• Business Network Example

• Analyzing the Letter of Credit process

• Describing the business network

• Presenting a business network model

• Examining the live network

• Creating APIs

Letter of Credit

Sample

Installing the sample

Running the sample

Letter of Credit

Sample

1. LC request preparation

2. Request LC

3. Importing bank approval

4. Exporting bank approval

5. Exporter receives LC

6. Goods shipped

7. Goods received

8. Payment issued

9. LC closed

10. Seller receives payment

The Business Network

Participants

Assets

Transactions

Events

Business Network Model

Namespaces Enumerations

Asset definitions

Participant definitions

Concept definitions

Transaction definitions

Event definitions

Examining the Live Network

Letter of Credit instance

Participant instances

Transaction instances

Creating a new transaction

Examining how transactions are implemented

Creating Business Network

APIs

SWAGGER API definitions

Testing the network from the command line

Creating a new letter using SWAGGER

Network cards and wallets

Access control lists

Summary

• Business Network Example

• Analyzing the Letter of Credit process

• Describing the business network

• Presenting a business network model

• Examining the live network

• Creating APIs