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Delphi-fabric

Delphi method is a structured, interactive forecasting communication technique which relies on a panel of experts.

This is why 'Delphi' here, instead of referring to a program language, or any failed project(s) from ASTRI.

This project aims to provide a user-friendly fabric application development toolset including

  • fabric network simulation (alternative of Build your first network)
  • chaincode lifecycle tools
  • adopt stateless fashion when using multiple fabric-sdk, to power fabric proxy server second-development
  • as a major integration testing environment for fabric-common, which is a pure helper to fabric-sdk user.

Why

  • No multiple config file confusing anymore. All magic in orgs.json and chaincode.json
    • no crypto-config.yaml
    • no docker-compose.yaml
    • auto-generated and managed configtx.yaml and genesis blocks for each channel.
    • named docker volume to avoid infinite file path hell
  • No need to copy and paste to have a proper connection profile from existing network. Now you are simulation your own network
  • No need to global find all appearance of org1 and replace it with orgA, organization names and mspid are put together
  • Powered by our carefully tested cleaning-up process, it is impossible here forgetting to clean-up legacy configs after you restart your network.
  • Production-ready and long run maintenance
  • Perfect same crypto-material file structure as you use cryptogen. We have place fabric-ca response in good manner.

Features

  • use fabric-ca to generate all crypto material, instead of cryptogen
  • use config-less fabric-ca
  • use npm dockerode to run docker container with comprehensive JSON configuration file, instead of docker-compose on yaml file
  • JSON config cater for both application and network structure (superset of connection profile and network-yaml)
  • channel update support
  • chaincode language support
    • nodeJS
    • golang
  • Fixed security leakage (wallet remaining) on development machine: priv-file, crypto-store in .hfc-key-store
  • support hybrid data storage model (couchdb|leveldb), you could specify it for each peer
  • update anchor peers as a normal channel config instead of using configtx
  • use npm:js-yaml to read|write YAML files instead of jq

Major configuration

  • we cluster network and channel config in config/orgs.json, enjoy!
  • chaincodes configurations: config/chaincode.json

sample chaincode source

Installation

Installation Script

  1. $ ./install.sh gitSync
    after first time clone this repository, submodule should be initialize
  2. $ ./install.sh

Requirements & dependencies**

  • Compatible OS
    • ubuntu Focal
    • MacOS
    • CentOS 9 Stream
  • Fabric

Test on single host

  • run $ ./docker.sh to restart network