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Not All Member Peers Run Chaincode
How to find out which member peers are running a given chaincode? When a chaincode is instantiated on a channel, you don't need all member peers to install the chaincode and run it. But we have to have some member peers to install and run it. Otherwise, no transactions can be performed on this chain... 2019-04-17, ∼1713🔥, 0💬

View Channel Blockchain and Download Blocks
How to View Blockchain and Download Blocks of a Hyperledger Fabric Channel? You can follow this tutorial to View Blockchain and Download Blocks of a Hyperledger Fabric Channel. 1. Connect to the CLI container of the Hyperledger Fabric network: $ docker exec -it cli bash bash-4.4# 2. List channels jo... 2020-08-13, ∼1712🔥, 0💬

Create Network Business Card in Playground
How to Create new Network Business Cards in Playground? You can follow this tutorial to Create new Network Business Cards in Playground. 1. Enter the following address in your browser. You see the Playground home page. http://localhost:8080 2. Click "Create Business Network Card". You the "Create A ... 2020-12-02, ∼1701🔥, 0💬

Control Hyplerledger Composer Environment
What are the command scripts to control my Hyplerledger Composer development environment? If you have installed your Hyplerledger Composer development environment, with the fabric-dev-servers.tar.gz package, you have the following shell command scripts to control the envrionment: 1. ~/fabric-dev-ser... 2020-07-22, ∼1697🔥, 0💬

Reinstall basic-network with Latest Images
How to Reinstall basic-network with Latest Images? You follow this tutorial to Reinstall basic-network with Latest Images. 1. Run teardown.sh script to remove containers and their images related to the basic-network: $ cd ~/hyperledger-binaries/fabric- samples/basic-network$ ./teardown.sh Removing p... 2020-04-14, ∼1697🔥, 0💬

"fabric-ca-client certificate list" - List Certificates
How to List Certificates with the "fabric-ca-client certificate list" command? If you want get a list of certificates from the Fabric CA Server, you can run the "fabric-ca-client certificate list" command: $ export FABRIC_CA_CLIENT_HOME=~/fabric -ca/native-client/admin$ ~/go/bin/fabric-ca-client cer... 2019-09-27, ∼1691🔥, 0💬

BYFN CLI Container Missing Admin Certificates
How to fix the ".../org1.example.com/users/Ad min@org1.example.com/mspdoes not exist" when running the BYFN CLI "peer" command? When you build your BYFN network manually, you may end up missing admin user certificate on the CLI Docker container. 1. Check the certificate directory for the org1.exampl... 2020-10-10, ∼1686🔥, 0💬

Incompatible Chaincode on BYFN Peers
How to list installed and instantiated chaincodes on BYFN Peers? You can follow this tutorial to list and review installed and instantiated chaincodes on peer nodes of your BYFN network. 1. Connect to the BYFN CLI container and check the default peer: $ docker exec -it cli bash bash-4.4# echo $CORE_... 2020-09-15, ∼1686🔥, 0💬

Download Blocks from Blockchain
How to download blocks from the blockchain on the peer? You can follow this tutorial to download blocks from the blockchain on the peer. 1. Connect to the peer container and setup membership variables: $ docker exec -it peer0.org1.example.com bash root@aedfd08717a5:/opt/gopath/ src/github.com/hyperle... 2020-03-25, ∼1682🔥, 0💬

Explorer Hyplerledger Composer Environment
Where to find tutorials on Explorering Hyplerledger Composer Environment on Ubuntu. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Explorering Hyplerledger Composer Environment on Ubuntu. Control Hyplerledger Composer Environment Versions of H... 2020-07-22, ∼1680🔥, 0💬

"gyp ERR! stack Error: EACCES: permission denied"
Why am I getting the "gyp ERR! stack Error: EACCES: permission denied" error when installing Hyplerledger Composer REST API Server? You may get the "gyp ERR! stack Error: EACCES: permission denied" error, when using older version of "npm" to install Hyplerledger Composer REST API server: $ sudo npm ... 2021-02-17, ∼1669🔥, 0💬

Building Business Network with Hyperledger Composer
Where to find tutorials on Building Business Network with Hyperledger Composer. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Building Business Network with Hyperledger Composer. "yo" Command to Generate Business Network "composer archive" to... 2021-02-04, ∼1662🔥, 0💬

Hyperledger Fabric Process Flow
Where to find tutorials on Hyperledger Fabric Process Flow? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyperledger Fabric Process Flow. What Is Hyperledger Fabric Query   ⇒ What Is Hyperledger Fabric Query ⇐ Organization with CLI Admin To... 2020-01-29, ∼1657🔥, 0💬

"yo" Command to Generate Business Network
How to generate required source code files for a new business network with Hyperledger Composer command line tools? You can use the "yo" command line tool to generate required source code files for a new business network as shown below. 1. Run "yo" command with the "hyperledger-composer:business netw... 2021-02-04, ∼1656🔥, 0💬

Install Hyplerledger Composer Environment
Where to find tutorials on installing Hyplerledger Composer Environment on Ubuntu. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on installing Hyplerledger Composer Environment on Ubuntu. Hyplerledger Composer Environment Requirement Install Com... 2021-05-04, ∼1629🔥, 0💬

"event" CTO Statement Syntax
What is the syntax of the "event" CTO Statement? The "event" statement declares the output message structure of an event type, which can be emitted from the business network for external systems to consume. Here is the syntax of an "event" statement: event type_name [extends super_type] { o|--&g... 2021-06-19, ∼1626🔥, 0💬

Versions of Hyplerledger Composer Environment
How many versions do I have with my Hyplerledger Composer development environment? The installation package fabric-dev-servers.tar.gz actually provides 3 versions of Hyplerledger Composer development environment. You can them in the "fabric-scripts" sub-directory: $ cd fabric-dev-servers $ ls -l fab... 2020-07-22, ∼1624🔥, 0💬

"transaction" Process Function Syntax
What is the syntax of "transaction" process function in the JavaScript file? A "transaction" process function is a regular JavaScription function that has two extra decorators: "@transaction" and "@param". Here is the syntax of a "transaction" process function statement: /* @transaction * @param {tr... 2021-06-05, ∼1618🔥, 0💬

Hyperledger Composer Playground Server
Where to find tutorials on Hyperledger Composer Playground Server. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyperledger Composer Playground Server. What is Hyperledger Composer Playground Server Start Hyperledger Composer Playground Serv... 2021-02-17, ∼1618🔥, 0💬

What Is JS Scripting Language
What is Business Network JS Scripting Language? Business Network JS Scripting Language is the standard JavaScript language to define business logics on how each transaction is processed. JavaScript source code can be stored in a single or multiple files with the *.js file extension. Each JavaScript ... 2021-06-05, ∼1579🔥, 0💬

Hyplerledger Composer Environment Requirement
What are requirements for installing the a Hyplerledger Composer development environment? Here are requirements for installing the a Hyplerledger Composer development environment: Operating System - Ubuntu Linux 14.04 / 16.04 LTS, or Mac OS 10.12. Docker Engine - Version 17.03 or higher. Docker Engi... 2021-05-04, ∼1572🔥, 0💬

Install Hyperledger Fabric on UBuntu
How to install Hyplerledger Fabric on Ubuntu? You can follow this tutorial to install Hyplerledger Fabric on Ubuntu. 1. Download the Hyplerledger Fabric Dev Environment package: $ mkdir fabric-dev-servers $ cd fabric-dev-servers $ curl -O https://raw.githubusercontent. com/hyperledger/composer-tools... 2021-04-04, ∼1564🔥, 0💬

Peer Containers Not Joined to Channel
Can I stop Peer Containers That Are Not Joined to Channel? Yes. You can stop Peer Containers That Are Not Joined to Channel. For example, you have 1 channel, "mychannel", and 4 peers. You know that only 2 of them are joined to the channel. You can stop the other peer containers. 1. List all peer con... 2020-07-07, ∼1551🔥, 0💬

View "console.log()" Output in Playground
How to view "console.log()" Output in Hyperledger Composer Playground? If you use "console.log()" to print out debug information in your transaction process functions, you can follow this tutorial to see the "console.log()" in Hyperledger Composer Playground. 1. Add the following CTO modeling file t... 2021-06-05, ∼1526🔥, 0💬

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