Disclaimer

Active contribution and maintenance of Composer project has been discontinued by IBM. Online playground for testing composer solutions is also unavailable as of now. This repo has references to both :-(

POC - Hyperledger Fabric Composer

A bare minimum stock-exchange application written as a POC for Hyperledger Fabric Composer.

Get it Working

1. Clone the repo
2. Navigate to stock-exchange folder
3. Execute composer archive create -t dir -n .
4. Step 3 will create the .bna file
5. Deploy the .bna file on online playground for testing or on your peer network

Models

Here are the few sample models that will be useful in playing with the business network.

Trader - Participant

{
  "$class": "org.se.exchange.Trader",
  "balance": 10000,
  "email": "owner@abc.com",
  "name": "Owner ABC"
}
	
{
  "$class": "org.se.exchange.Trader",
  "balance": 50000,
  "email": "owner@xyz.com",
  "name": "Owner XYZ"
}

Company - Participant

{
  "$class": "org.se.exchange.Company",
  "issuedShareCount": 0,
  "owner": "resource:org.se.exchange.Trader#owner@abc.com",
  "email": "company@abc.com",
  "name": "ABC Corporation"
}

{
  "$class": "org.se.exchange.Company",
  "issuedShareCount": 0,
  "owner": "resource:org.se.exchange.Trader#owner@xyz.com",
  "email": "company@xyz.com",
  "name": "XYZ"
}

ShareIssue - Transaction

{
  "$class": "org.se.exchange.ShareIssue",
  "detail": "First Share Issue of ABC",
  "count": 3,
  "price": 10,
  "company": "resource:org.se.exchange.Company#company@abc.com"
}

{
  "$class": "org.se.exchange.ShareIssue",
  "detail": "First Share Issue of XYZ",
  "count": 3,
  "price": 10,
  "company": "resource:org.se.exchange.Company#company@xyz.com"
}

Propose - Buy : Transaction

{
  "$class": "org.se.exchange.Propose",
  "proposalType": "FOR_BUY",
  "count": 2,
  "price": 20,
  "company": "resource:org.se.exchange.Company#company@xyz.com"
}

Propose - Sale : Transaction

{
  "$class": "org.se.exchange.Propose",
  "proposalType": "FOR_SALE",
  "count": 3,
  "price": 20,
  "company": "resource:org.se.exchange.Company#company@xyz.com"
}

Tail Note

• Take a look at ACL
• Company owner can only issue share on behalf of company
• Network Admin has only the provision to create Trader and Company
• Assets (Share, Proposal and Trade) can only be created through transactions