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Hyperledger Related Terminology
Hyperledger Related Terminology: Asset - An Asset is a data object with a unique identifier. The content of an asset can be anything from a simple numeric value to a complex data object. For example, an asset can represent a financial asset, like a bank account in a bank system. Blockchain - A Block...
2020-01-21, 223👍, 0💬

Download and Install Golang SDK
How to download and install Golang SDK for Hyperledger Fabric? You can follow this tutorial to download and install Golang SDK for Hyperledger Fabric. 1. Download Golang SDK: $ export GOPATH=~/go $ echo $GOPATH /home/fyicenter/go $ go get github.com/hyperledger/fabric- sdk-go2. Verify Golang SDK pac...
2020-01-21, 222👍, 0💬

Main Interfaces to Communicate with Ledger Peer
What are Main Interfaces to Communicate with a ledger peer on a hyperledger fabric network? There are 3 Main Interfaces to Communicate with a ledger peer on a hyperledger fabric network. 1. Peer CLI - The Peer CLI is a Command Line Interface (CLI) provided as part of the Hyperledger Fabric distribut...
2020-01-21, 218👍, 0💬

Download and Install Java SDK
How to download and install Java SDK for Hyperledger Fabric? You can follow this tutorial to download and install Java SDK for Hyperledger Fabric. 1. Install JDK 11: $ sudo add-apt-repository ppa:linuxuprising/java $ sudo apt-get update $ sudo apt-get install oracle-java11-installer $ java -version ...
2020-01-21, 211👍, 0💬

Contents of Hyperledger Fabric Binary Package
What contents are included in the Hyperledger Fabric Binary Package? Here is the directory list of the Hyperledger Fabric Binary Package: $ cd ~/hyperledger-binaries/fabric- samples$ ls -l -rw-rw-r-- 1 fyicenter 597 Apr 1 23:01 CODE_OF_CONDUCT.md -rw-rw-r-- 1 fyicenter 961 Apr 1 23:01 CONTRIBUTING.m...
2020-01-21, 207👍, 0💬

Reinstall npm with Node Version Manager
How to reinstall npm with a node version manager? I am getting permission errors with the current version of npm. If you are get directory and file permission error when using the "npm install" command, you should follow this tutorial to reinstall "node" and "npm" with the "nvm" Node Version Manager...
2020-01-04, 269👍, 0💬

enrollAdmin.js - Enroll Admin to ca.example.com
What is the admin enrollment Node.js program enrollAdmin.js? Admin enrollment Node.js program enrollAdmin.js enrolls an user "admin" to ca.example.com. 1. View the enrollAdmin.js source code: $ cp ~/hyperledger-binaries/fabric- samples/fabcar/javascript$ more enrollAdmin.js /* * SPDX-License-Identif...
2020-01-04, 242👍, 0💬

registerUser.js - Register User to ca.example.com
What is the user registration Node.js program registerUser.js? User registration Node.js program registerUser.js registers an user "user1" to ca.example.com. 1. View the registerUser.js source code: $ cp ~/hyperledger-binaries/fabric- samples/fabcar/javascript$ more registerUser.js /* * SPDX-License...
2020-01-04, 227👍, 0💬

Reinstall Node.js Required Modules
How to reinstall Node.js Required Modules with the new version of npm? After installing the latest version of "node" and "npm" with "nvm", you can reinstall Node.js Required Modules to run Node.js client applications again the WYFA network. 1. Remove all files in "node_modules": $ cp ~/hyperledger-b...
2020-01-04, 224👍, 0💬

"Failed to load gRPC binary module" Error
Why am I getting the "Failed to load gRPC binary module" error when running a Node.js client application? If your Node.js environment is out of sync, you will get the "Failed to load gRPC binary module" error as shown below: $ cp ~/hyperledger-binaries/fabric- samples/fabcar/javascript$ node enrollA...
2020-01-04, 224👍, 0💬

Create PaperNet Log Console
How to Create PaperNet Log Console using the "logspout" command? If you are the administrator from MagnetoCorp and want to Create Log Console to monitor PaperNet Hyperledger Fabric network, you can follow this tutorial. 1. Create a new terminal window and run the monitordocker.sh script under the ma...
2019-12-19, 290👍, 0💬

commercial-paper Sample Network
Where to find tutorials on Hyperledger Fabric commercial-paper Sample Network? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyperledger Fabric commercial-paper Sample Network. Objectives of commercial-paper Tutorials Start basic-network for ...
2019-12-19, 260👍, 0💬

Start CLI Container for MagnetoCorp Admin
How to Start CLI Container for the MagnetoCorp Administrator? If you are the administrator from MagnetoCorp and want to manage the PaperNet Hyperledger Fabric network, you can follow this tutorial. 1. Create a new terminal window and run the docker-compose command to start the CLI container: (magnet...
2019-12-19, 243👍, 0💬

Objectives of commercial-paper Tutorials
What are the objectives of commercial-paper Hyperledger Fabric network tutorials? Objectives of commercial-paper Hyperledger Fabric network tutorials provided at hyperledger-fabric.readthedocs .ioWebsite are: 1. Show you how to install and use a commercial paper sample application and smart contract...
2019-12-19, 235👍, 0💬

Start basic-network for PaperNet
How to Start basic-network for PaperNet? I want to follow commercial-paper Tutorials. You can follow this tutorial to start basic-network and make it ready to build PaperNet. 1. Start basic-network : $ cd ~/hyperledger-binaries/fabric- samples/basic-network$ ./start.sh ... Creating ca.example.com .....
2019-12-19, 229👍, 0💬

Client Application Gateway
What is Client Application Gateway? Client Application Gateway is mechanism that allows an application to focus on transaction generation, submission and response. It coordinates transaction proposal, ordering and notification processing between the different network components. If Isabella from Mag...
2019-12-02, 273👍, 0💬

Install PaperNet Chaincode (Smart Contract)
How to install the PaperNet Chaincode (Smart Contract), papercontract.js? If you are the MagnetoCorp administrator, you need to use the peer chaincode install command to copy the papercontract chaincode from their local machine’s file system to the file system within the target peer’s docker contain...
2019-12-02, 254👍, 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, 250👍, 0💬

Instantiate PaperNet Chaincode (Smart Contract)
How to Instantiate the PaperNet Chaincode (Smart Contract), papercontract.js? Now that papercontract chaincode containing the CommercialPaper chaincode is installed on the required PaperNet peers, you, as administrator, can make it available to different network channels, so that it can be invoked b...
2019-12-02, 250👍, 0💬

Install Node.js Application Dependencies
What is Install Node.js Application Dependencies? Since the applications are written with Hyperledger Fabric Node.js SDK Isabella needs to install some dependencies, which are listed in the package.json file. (isabella)$ cd ~/hyperledger-binaries/fabric- samples(isabella)$ cd commercial-paper/organi...
2019-12-02, 249👍, 0💬

About dev.FYIcenter.com
dev.FYIcenter.com is a Website for software developer looking for software development technologies, programming tutorials, career information, and so on. Just browse through the site, you will find the best information our team has prepared for you. Other FYIcenter.com Resources: Software QA Resour...
2019-11-22, 3841👍, 3💬

💬 2019-11-22 Nick: Hi there, I hope my original email didn't get lost in the big old internet black hole, but in case it did I thought I'd follow u...

💬 2018-12-06 FYIcenter.com: @David, the broken link is replaced. Thanks for your suggestion.

💬 2018-11-30 David Eubanks: Hi, I found a broken link on this page - http://dev.fyicenter.com/resource/18 _Best_Color_Tools_For_Web_Designers. htmlIt’s this ...

See New Paper on CouchDB Server
How to See New Paper on CouchDB server? If you are the PaperNet admin, you may want to see the world state of the asset managed by papercontract. PaperNet uses CouchDB to store the world state and configured with a REST API on port 5984. 1. List all databases: (magnetocorp admin)$ curl http://localh...
2019-11-21, 327👍, 0💬

Create Identity Wallet for Isabella
How to Create Identity Wallet for Isabella at MagnetoCorp? Once Isabella gets a copy of the private key and the certificate that represents her identity, User1@org1.example.com, on the PaperNet, she needs to put them in a local wallet. Whenever Isabella runs an application, it will open the wallet a...
2019-11-21, 313👍, 0💬

issue.js - Application to Issue New Paper
What is the Application to Issue New Pape, issue.js? issue.js is a client application using the Hyperledger Fabric Node.js SDK library to invoke the issue() function of the papercontract running on the PaperNet. 1. View issue.js source code: (isabella)$ cd ~/hyperledger-binaries/fabric- samples(isab...
2019-11-21, 305👍, 0💬

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