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Showing posts from December, 2017

Hyperledger/blockchain-explorer Sample Application Setup

Hyperledger Explorer Hyperledger Explorer is a simple, powerful, easy-to-use, highly maintainable, open source browser for viewing activity on the underlying blockchain network. Directory Structure ├── app fabric GRPC interface ├── db the mysql script and help class ├── explorer_client Web Ui ├── first-network Basic fabric network setup ├── listener websocket listener ├── metrics metrics about tx count per minute and block count per minute ├── service the service ├── socket push real time data to front end ├── timer Timer to post information periodically └── utils Various utility scripts Requirements Following are the software dependencies required to install and run hyperledger explorer nodejs 6.9.x (Note that v7.x is not yet supported) mysql 5.7 or greater Hyperledger Explorer works with Hyperledger Fabric 1.0. Install the following software dependencie...

How to Setup the Hyperledger Fabric-ca Client Setup on Ubuntu 16.04 - Part 3

How to Setup the Hyperledger Fabric-ca Client Setup on Ubuntu 16.04 - Part 3 This article is about the steps needed to setup your own CA Server and register/enroll new users into your database. The server provides the public/private key pair as a response to enrolling the user into the database. If you need help to  configure the requirements to download Hyperledger , check out the  first article  in this three part tutorial series to  learn Hyperledger . If you need help to  set up your Hyperledger server  check out the  second article  in this series. Now, that we have our server setup, we want to enroll existing and register new clients to the database. Let’s move on to it. Just as we build the fabric-ca-server command in the Fabric-CA directory, we need to do the same for the fabric-ca-client to access commands for the client side. Use the following command in the root directory of your fabric-ca cloned project: make fabric-ca-cli...

How to Setup the Hyperledger Fabric-ca Server Setup on Ubuntu 16.04 - Part 2

How to Setup the Hyperledger Fabric-ca Server Setup on Ubuntu 16.04 - Part 2 The Hyperledger Fabric project by IBM provides an easy plug-n-play interface for the users to attach their custom Certificate Authority(CA) Server. This has been actively made possible in the newer version of Hyperledger Fabric v1.0 as opposed to v0.6. There is support for this functionality in older versions, but they have been made more easily integrated in the newer release. This article is about the steps needed to setup your own CA Server and register/enroll new users into your database. The server provides the public/private key pair as a response to enrolling the user into the database. If you need help to  configure the requirements to download Hyperledger , check out the  first article  in this three part tutorial series to  learn Hyperledger . The fabric-ca project can be downloaded from the official gerrit codebase using the following command. This will download the requ...