Revise Business Network Source Code

Q

How to manage revisions of my Business Network?

✍: FYIcenter.com

A

You can follow this tutorial to learn how to manage revisions of my Business Network properly.

1. Do not delete NBA files. They contains copies of source files of your business network. You should keep them as backups.

$ cd tutorial-network
$ ls -l *.bna
-rw-rw-r-- 1 fyicenter 6163 Apr  1 13:00 tutorial-network@0.0.1.bna
-rw-rw-r-- 1 fyicenter 6163 Apr  1 13:04 tutorial-network@0.0.2.bna

2. Increase the version number in "package.json" file.

$ vi package.json

{
  "engines": {
    "composer": "^0.20.8"
  },
  "name": "tutorial-network",
  
  
  "version": "0.0.3",
  
  ...
}

3. Create a new BNA file for the new version.

4. Deploy the new version to the Hyperledger Fabric environment.

5. Upgrade the business network to the new version on the Hyperledger Fabric environment.

Â

â‡’ Hyperledger Composer Playground Server

â‡ "composer network" Commands

â‡‘ Building Business Network with Hyperledger Composer

â‡‘â‡‘ Hyperledger Composer Tutorials

2020-12-26, 912🔥, 0💬

"composer network install" Errors
Why am I getting errors when running the "composer network install" command? There are couple of reasons why you are getting errors when running the "composer network install" command to deploy business network BNA files. Error Example 1 - $ cd tutorial-network $ composer network install --card Peer... 2020-12-26, ∼1605🔥, 0💬

Hyperledger Composer Log File Location
Where are Hyperledger Composer Log Files located? Log files of the Hyperledger Composer developer environment is located in the "~/.composer/logs" directory. $ cd ~/.composer/logs $ ls -l -rw-rw-r-- 1 fyicenter 2257 Mar 31 19:49 trace_20190331.log -rw-rw-r-- 1 fyicenter 10482 Apr 1 13:05 trace_20190... 2020-12-02, ∼1362🔥, 0💬

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Peer Node Log File Location
Where are Peer Node Log Files located? Log files of the Hyperledger Composer peer node in the Docker container that runs the peer node. You can use these commands find peer node log files: 1. Find the container id of the peer node: $ docker ps | grep peer 6bc4e52f82d0 hyperledger/fabric-peer:x86_64 -... 2020-12-02, ∼1209🔥, 0💬

"composer network" Commands
What can I do with "composer network" command? "composer network" commands are part of the Composer CLI command set. It allows you to manage business networks running in the Hyperledger Composer developer environment. Here is the syntax of the "composer network" commands: $ composer network help Com... 2020-12-26, ∼1143🔥, 0💬

Create Network Business Card in Playground
How to Create new Network Business Cards in Playground? You can follow this tutorial to Create new Network Business Cards in Playground. 1. Enter the following address in your browser. You see the Playground home page. http://localhost:8080 2. Click "Create Business Network Card". You the "Create A ... 2020-12-02, ∼1097🔥, 0💬

Peer Log Messages - Start Environment
How to verify peer node log messages to ensure my Hyperledger Composer developer environment is started correctly? You can follow this tutorial to verify peer node log messages generated during the Hyperledger Composer developer environment start up process. 1. Stop the environment: $ cd fabric-dev-... 2020-12-02, ∼1010🔥, 0💬

Hyperledger Composer Log Files
Where to find tutorials on Hyperledger Composer Log Files. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyperledger Composer Log Files. Hyperledger Composer Log File Location Peer Node Log File Location Peer Log Messages - Start Environment ... 2020-12-02, ∼1006🔥, 0💬

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