BEAS

Blockchain Enabled Asynchronous and Secure Federated Machine Learning

Default Network Configuration:

The default application uses the HyperLedger Test network which bootstraps the following instances:

1. 1 Orderer
2. 1 Certifying Authority
3. 2 org (org0 and org1) maintaining 2 peer (peer0 and peer 1)
4. 1 CouchDB
5. 1 CLI

Usage Instructions:

Prerequisites:

1. HyperLedger Fabric v2.2.x LTS
2. Download this repository, and merge BEAS/fabric-samples with the HyperLedger fabric-samples directory.

Network Setup:

$  cd fabric-samples/BEAS
$  ./teardownBEAS.sh
$  ./startBEAS.sh

If ./sh files have permission error (mac OS):

$  chmod u+r+x ./file_name.sh

Running the Application:

Initialise New Channel

1. Change working directory:

$  cd fabric-samples/BEAS/javascript/storageServer

2. Install Application Dependancies:

$  npm install

3. Run Application

$  node server.js

Initialise New Client

Initialise New Channel

1. Change working directory:

$  cd fabric-samples/BEAS/javascript/clientNode

2. Install Application Dependancies:

$  npm install

3. Run Application

$  node client.js

4. To view the frontend, go to your browser and lauch http://localhost:5000