Hyperledger Fabric Pet Shop

Requirements

• MacOS / Linux / VirtualBox (required if Windows)
• Git
• Node
• Go language
• Docker

Setup

1. Run ./bootstrap.sh to get hyperledger fabric binaries
2. cd pet-shop
3. Remove pre-existing docker containers docker rm -f $(docker ps -aq)
4. Run ./startFabric.sh to setup network
5. Run npm install to get node modules
6. Run node registerAdmin.js && node registerUser.js to create admin and user
7. Run node server.js to start client server
8. Open http://localhost:8000

Troubleshooting

Error running startFabric.sh

ERROR: failed to register layer: rename
/var/lib/docker/image/overlay2/layerdb/tmp/write-set-091347846 /var/lib/docker/image/overlay2/layerdb/sha256/9d3227c1793b7494e598caafd0a5013900e17dcdf1d7bdd31d39c82be04fcf28: file exists

try running rm -rf ~/Library/Containers/com.docker.docker/Data/*

Error running node registerAdmin.js && node registerUser.js

Error: [client-utils.js]: sendPeersProposal - Promise is rejected: Error: Connect Failed

error from query =  { Error: Connect Failed

   at /Desktop/prj/education/LFS171x/fabric-material/tuna-app/node_modules/grpc/src/node/src/client.js:554:15 code: 14, metadata: Metadata { _internal_repr: {} } }

or

Failed to register: Error: fabric-ca request register failed with errors [[{"code":20,"message":"Authorization failure"}]]
Authorization failures may be caused by having admin credentials from a previous CA instance.

try running rm -rf ~/.hfc-key-store/ and then registering command again.

Finishing up

To remove all Docker containers and images run following commands

1. docker rm -f $(docker ps -aq)
2. docker rmi -f $(docker images -a -q)