selimerunkut / hackathon_stuttgart2019_juve

hackathon_stuttgart2019_juve readme

Starting sequence

Start the Blockchain Environment

Invoke ./startFabric.sh in folder packages.

Install the backend for the receiving data from the "train"

use node version 10.15.1

$ cd packages/train-server/

$ npm install

$ cd packages/train-server/scripts/

$ node 01-enroll-admin.js

$ node 02-register-user.js

Start the train server / hyperledger blockchain

$ cd packages/train-server/

$ npm start

available at: http://localhost:3000/

Start the Web App

$ cd packages/webapp

available at: $ npm start

http://localhost:4200

Start the Mock Script that sends the bluethoot data

$ cd packages/train-server/scripts

$ node mock-bt-scan.js

Troubleshooting

Docker Ubuntu 18.04 installation: remove snap/docker & docker if you see Dockerversion 18.06.1-ce and have errors & folders can not be created re-install with this tutorial: https://docs.docker.com/install/linux/docker-ce/ubuntu/

For stopping container use the cleanupDocker.sh if you get errors the only solution could be to stop the docker deamon or reboot your PC/Laptop

If you get this error: Failed to evaluate transaction: Error: transaction returned with failure: Error: You've asked to invoke a function that does not exist: findAllEvents... ...Failed at the train-server@0.0.0 start script

execute this scripts:

stop hyperledger containers:

$ ./packages/cleanupDocker.sh

remove docker image for the hyperledger

$ docker rmi hyperledger/fabric-peer