Screenshots

composer-storage-ways

Test environment and random stuff for hyperledger fabric and composer

Prerequisites

Install following as a global variable
Install composer-cli
Install composer-rest-server
npm install -g <aboveStuff>

1. Setup Fabric for the first time

These commands will kill and remove all running containers, and should remove all previously created Hyperledger Fabric chaincode images: Use only if you want to remove all data and get a HARD RESET.

Removes all docker instances, cleans images, causes you to lose all data stored on docker
If other applications are using docker, better to remove the fabric related containers individually.

docker kill $(docker ps -q)
docker rm $(docker ps -aq)
docker rmi $(docker images dev-* -q)

Remove all current composer cards

composer card list
composer card delete -n <card_name>

Run fabric for the first time. Creates a PeerAdmin card that is used for all instances of chain-code. Also removes all your current data, cards etc

All the scripts will be in the directory /fabric-tools.

cd ~/fabric-tools
./stopFabric.sh
./teardownFabric.sh
./downloadFabric.sh
./startFabric.sh
./createPeerAdminCard.sh

Confirm that fabric has started docker ps will show 4 containers running
Confirm a PeerAdmin card has been created

composer card list should show PeerAdmin@hlfv1 with no business network assigned

Initial Setup is complete. Time to launch a chain code instance

2. Launch a business network/ chaincode instance

Generate the Business Network Archive (BNA) file from the root directory:

composer archive create -t dir -n .

Successfully created a file called composer-file-stroage-ways@0.1.0.bna in root directory
Install the runtime instance for the .bna file. This HAS to use the PeerAdmin@hlfv1 card

composer runtime install --card PeerAdmin@hlfv1 --businessNetworkName composer-file-stroage-ways

Start a network and create a new networkAdmin card for the business network

composer network start --card PeerAdmin@hlfv1 --networkAdmin admin --networkAdminEnrollSecret adminpw --archiveFile composer-file-stroage-ways@0.1.0.bna --file networkadmin.card

Import the new networkadmin.card generated

composer card import --file networkadmin.card

A card admin@composer-file-stroage-ways should be visible with composer-file-stroage-ways as network assigned

composer card list

Activate the card by setting the certificate

composer network ping --card admin@composer-file-stroage-ways

To remove everything and start from scratch, follow step 1

3. Close fabric safely and save its state

Go to the folder containing the docker-composer.yaml file

cd ~/fabric-tools/fabric-scrips/hlfv1
docker-compose stop

4. Restart a previously deployed network

cd ~/fabric-tools/fabric-scrips/hlfv1/composer
docker-compose start

Takes a few minutes to start. docker ps should show 5-6 containers running
To update an instance with new chaincode we use

https://hyperledger.github.io/composer/reference/composer.network.update.html

composer network update -a composer-file-stroage-ways@0.1.0.bna -c admin@composer-file-stroage-ways

5. Other useful commands

Card commands

Option feature is to delete existing cards. Network and System admin cards should not be removed unless a hard reset is reuired

composer card list
composer card list --name <cardName>
composer card delete -n <cardName>

API endpoint lists

User add API

Create a new user (Base64 string way)

/api/v0/users

Drug Assets API (ipfs way)

Create a new drug (POST)

/api/v0/assets

Drug Assets API (off-chain external cloud storage way)

// pending

youtae/hyperledger_composer_file_storage