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Hyperledger Composer Setup

Hyperledger Composer is a set of collaboration tools for building blockchain business networks that make it simple & fast for business owners and developers to create smart contracts and blockchain applications to solve business problems. Composer makes it easier to integrate a blockchain applications with the existing business systems.

Deploying a Hyperledger Composer business network to Fabric for single org

This will demonstrate the steps that an administrator needs to take in order to deploy a blockchain business network to an instance of Hyperledger Fabric for a single organization, including how to generate the necessary Hyperledger Composer configuration.

Install & Invoke Chaincode

Chaincode is a program, written in Go, and eventually in other programming languages such as Java, that implements a prescribed interface. Chaincode runs in a secured Docker container isolated from the endorsing peer process. Chaincode initializes and manages ledger state through transactions submitted by applications.

Multi peer Hyperledger Fabric Network On multiple hosts

Hyperledger fabric is decentralized network, It works with various set of components.Each of these will be running on it’s own docker instances.Each Component can be configured to communicate with each other.These Docker instances even when running on multiple physical machines, can still communicate with each other.Every peer maintains a copy of the ledger..

Hyperledger Blockchain Explorer

Hyperledger Explorer is a user friendly web application for hyperleger.It provides a dashboard for hyperledger to view/query about blocks , transactions ,statistics and smartcontracts available on network.It will give information about Peerlist, Chaincode list.Each block contain data ,previous hash and present hash with transaction id. we can select a block so that we can see all information about that by using explorer.

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