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What Is Hyperledger Composer Playground
What Is Hyperledger Composer Playground? Hyperledger Composer Playground is a Web browser based tool that allows you to build and test your hyperledger application quickly. Hyperledger Composer Playground is part of the Hyperledger Composer tool set, which is designed to help you to build and test a... 2021-12-28, ∼1870🔥, 0💬

Hyperledger Fabric Docker Containers
Where to find tutorials on Hyperledger Fabric Docker Containers? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyperledger Fabric Hyperledger Fabric Docker Containers. Types of Hyperledger Fabric Docker Containers Watch "orderer" Container Lo... 2020-07-07, ∼1868🔥, 2💬

Create Peer Admin Access Card
How to Create Peer Admin Access Card for my Hyperledger Fabric developer environment? Create Peer Admin Access Card is needed to deploy new Composer business network BNA file to the Hyperledger Fabric developer environment. You can follow these steps to a Create Peer Admin Access Card. 1. Create a n... 2020-12-26, ∼1864🔥, 0💬

Create Identity Wallet for Balaji
How to Create Identity Wallet for Balaji at DigiBank? Like Isabella at MagnetoCorp, Balaji at DigiBank needs prepare his system with a wallet to store his identity. He also needs to install Node.js dependencies to run applications written with Hyperledger Fabric Node.js SDK. 1. Install Node.js depen... 2019-11-08, ∼1857🔥, 0💬

Remove Older Versions Chaincode Containers
How to Remove Older Versions Chaincode Containers after the chaincode instance is upgraded? After a chaincode instance is upgraded, chaincode containers of the old version are still running on the Docker Engine. You can follow this tutorial to remove them. 1. List all chaincode containers: $ docker ... 2020-08-13, ∼1854🔥, 0💬

papercontract.js - PaperNet Chaincode (Smart Contract)
What is the PaperNet Chaincode (Smart Contract), papercontract.js? papercontract.js is the chaincode (or smart contract) for the PaperNet written in Node.js language. 1. View papercontract.js source code: (magnetocorp admin)$ cd ~/hyperledger-binaries/fabric- samples(magnetocorp admin)$ cd commercia... 2019-12-02, ∼1854🔥, 0💬

Launch the WYFA Network
How to Launch the Hyperledger Fabric Network to run the WYFA (Writing Your First Application) tutorial? You can follow these steps to Launch the Hyperledger Fabric Network to run the WYFA (Writing Your First Application) tutorial. 1. Run the startFabric.sh script to spin up a blockchain network, cre... 2020-02-29, ∼1845🔥, 0💬

Organization with CLI Admin Tool
Should I run CLI Admin Tool in my organization on a multi-organization network? Yes, you should run CLI Admin Tool in your organization on a multi-organization network. It provides a nice tool for your administrator to manage ledger peers in your organization. Now we have a Hyperledger Fabric Networ... 2019-10-27, ∼1844🔥, 0💬

CTO Language Statements
What are Business Network Model CTO Language Statements? Business Network Model CTO language supports 8 types of statements. namespace - The "namespace" statement declares a namespace as the prefix for all data types defined in this CTO file. The "namespace" statement has the same syntax as the "nam... 2021-08-04, ∼1841🔥, 1💬

Uninstall Chaincode on BYFN Peers
How to uninstall chaincodes on BYFN Peers? Unfortunately, the BYFN CLI "peer chaincode" command does offer any option to uninstall chaincodes from a given peer. You have two options when your chaincodes from different peers are out of sync or incompatible: 1. Destroy chaincode instance and re-instal... 2020-09-15, ∼1836🔥, 0💬

Switch Default Peer with Scripts
How to Switch Default Peer on the CLI container with Scripts? I am tired of typing those 4 CORE_PEER_* export commands. From previous tutorial, we know that we need to type in export commands to set 4 CORE_PEER_* environment variables. But you can also put them into shell scripts and run them whenev... 2020-05-29, ∼1830🔥, 0💬

evaluate-transaction.js - Evaluate Chaincode Transaction
How to write a Node.js script to evaluate a transaction defined in the Invoke method of a chaincode? Here is sample Node.js script, evaluate-transaction.js, that uses a given user identity from the local wallet to evaluate a transaction on chaincode. /* Copyright (c) FYIcenter.com */ 'use strict'; c... 2019-04-22, ∼1830🔥, 0💬

Steps of Setting Up Orderer Peer
What are major steps to Set Up an Orderer Peer on a Hyperledger Fabric network? Here are major steps to Set Up an Orderer Peer (also called Orderer Node) on a Hyperledger Fabric network. Pulling the Hyperledger Fabric orderer images from docker hub. Creating the organization your ordering node belon... 2019-09-04, ∼1829🔥, 0💬

Peer Node Log File Location
Where are Peer Node Log Files located? Log files of the Hyperledger Composer peer node in the Docker container that runs the peer node. You can use these commands find peer node log files: 1. Find the container id of the peer node: $ docker ps | grep peer 6bc4e52f82d0 hyperledger/fabric-peer:x86_64 -... 2020-12-02, ∼1826🔥, 0💬

Deploy Business Network Archive (BNA) to Playground
How to deploy a Business Network Archive (BNA) file to Hyperledger Composer Playground? If you have an existing Business Network Archive (BNA) file that contains a Hyperledger Composer Business Network application, you can follow this tutorial to deploy it to the Hyperledger Composer Playground. 1. ... 2020-12-15, ∼1825🔥, 0💬

Setup Node.js for WYFA Tests
How to Setup Node.js for WYFA (Write Your First Application) Tests? Before performing any Node.js SDK tests on the WYFA network, you need to setup the Node.js on your local host. 1. Make sure Node.js is installed: $ node --version v8.10.0 2. Install required packages: $ cd hyperledger-binaries/fabri... 2020-02-07, ∼1822🔥, 0💬

Hyperledger Composer Components
What components are included in Hyperledger Composer? Here are major components included in Hyperledger Composer: Composer Runtime - Runs on top of the Hyperledger Fabric framework to run ledger applications called business networks. Composer Playground - Runs in a Web browser providing a Hyperledge... 2021-12-28, ∼1819🔥, 0💬

Auto-Start of Required Chaincode Container
Why a chaincode container is automatically started? A chaincode container will be automatically started, if a chaincode is invoked and the chaincode container's peer is a required peer for the chaincode. Let's continue with the previous tutorial to see this behavior. 6. Stop the chaincode container ... 2020-07-03, ∼1812🔥, 2💬

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Hyperledger Composer Script File
What Is Hyperledger Composer Script File (*.js)? A Hyperledger Composer script file is a source code file that define business logics on how each transaction is processed. A script file uses the JavaScript language and the .js file extension. Here is an example of a script file from the Basic Sample... 2020-11-22, ∼1810🔥, 0💬

Fabric Network without CA Server
Can I run a Hyperledger Fabric Network without Fabric CA Server? Yes, you can run a Hyperledger Fabric Network without Fabric CA Server. In that case, you have to manage PKI certificate services manually For example, you need to do the following manually to add a new user to access your ledger peer:... 2019-10-18, ∼1810🔥, 0💬

Deploy couchdb Container Manually
How to Deploy couchdb as a Docker container manually? You can follow this tutorial to Deploy couchdb as a Docker container manually. 1. Verify the configuration of the couchdb container defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/fabric- samples/basic-network$ more docker-com... 2020-07-03, ∼1807🔥, 1💬

Basic Sample Business Network - Home Page
What is on the Basic Sample Business Network home page? You can follow this tutorial to see what's on the Basic Sample Business Network home page. 1. Run Web browser and go to: composer-playground.mybluemix. net. 2. Click on "Let's Blockchain!" to skip the welcome page. 3. Click "Get Started -&g... 2020-12-22, ∼1806🔥, 0💬

orderer.yaml - Orderer Peer Configuration File
What is the Orderer Peer Configuration File, orderer.yaml? The Orderer Peer Configuration File, orderer.yaml, provides settings to control the behavior of the Orderer peer. You can take a copy of the orderer.yaml provided in Fabric binary and sample package: $ cd fabric-orderer $ cp ~/hyperledger-bi... 2019-09-04, ∼1806🔥, 0💬

Inspect Docker Container Configuration
How to Inspect the Configuration of a Docker Container? You can use the "docker inspect" command to view the Configuration of a given Docker Container. For example, Let's look at the configuration of the peer0.org1 container of the BYFN network. $ docker inspect peer0.org1.example.com [ { "Id": "b81... 2020-05-29, ∼1799🔥, 0💬

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Blockchain Container EPUB General HTML JSON Microsoft Node.js PHP Python RSS Tools Visual Studio Web