Blockchain Hyperledger Fabric Plugins

Description

This bundle contains a set of Joget plugins to query and update a Hyperledger Fabric blockchain network. For detailed instructions and an introduction to Hyperledger Fabric, please refer to the article Blockchain Made Simple: No-Code Apps with Hyperledger Fabric and Joget.

This plugin source code is available in a new open source repository at https://github.com/jogetoss/. JogetOSS is a community-led team for open source software related to the Joget no-code/low-code application platform. Projects under JogetOSS are community-driven and community-supported, and you are welcome to contribute to the projects.

Plugin Info

Plugins Available in the Bundle:

1. Hyperledger Fabric Tool

2. Hyperledger Fabric Datalist Binder

3. Hyperledger Fabric Form Binder

This plugin bundle is compatible with Joget DX 8.

Installation

1. Download the plugin JAR file:
   joget-hyperledger-fabric-6.2.2.jar
   

2. Upload the downloaded jar file through Manage Plugins.

3. Map and configure the tool plugin to any Process Tool/ Post Form Submission Processing Plugin.

4. Map and configure the datalist binder to any Datalist Binder.

5. Map and configure the form binder to any Form Load Binder.

6. A sample app for Joget Enterprise Edition is available for download here:
   APP_fabcar-fabric2.0-20200310143047.jwa

7. Sample connection profile to the Fabcar network:
   connection-fabcar.json

8. The source code for the plugin is available at https://github.com/jogetoss/joget-hyperledger-fabric.
   

Screenshots

Figure 1: Hyperledger Fabric configuration

Figure 2: Fabric Transaction options

Figure 3: Storing transaction status to form field

Figure 4: Storing transaction status to workflow variable

Common Errors And Troubleshooting

If you are hitting a similar error such as below:-

WARN  12 Feb 2023 21:48:11 org.hyperledger.fabric.sdk.PeerEventServiceClient - PeerEventServiceClient{id: 151, channel: mychannel, peerName: peer0.org1.example.com, url: grpcs://peer0.org1.example.com:7051} PeerEventServiceClient{id: 151, channel: mychannel, peerName: peer0.org1.example.com, url: grpcs://peer0.org1.example.com:7051} attempts 10 Status returned failure code 403 (FORBIDDEN) during peer service event registration

The solution is to delete the wflow/hf_users folder.

Changelog