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What Is basic-network Sample Network
What is basic-network Sample Network? basic-network is a Hyperledger Fabric network example included in the "Samples, Binaries and Docker Images" package. The basic-network Sample Network provides scripts and configuration files to create a simple Hyperledger Fabric network with a single organizatio... 2020-04-25, ∼2249🔥, 0💬

Query CouchDB Container API Directly
How to query CouchDB Container API directly? If you are running BYFN (Build Your First Network) with the CouchDB option, the World State of each peer node is stored a CouchDB server running as Docker container. The CouchDB server supports a REST API interface at the local port 4369, which is mapped ... 2020-06-08, ∼2234🔥, 0💬

What Is Smart Contract
What Is Smart Contract? Smart Contract was originally introduced by Nick Szabo to digitally facilitate, verify, or enforce the negotiation or performance of a contract between parties. Today, smart contract is used to represent any executable code deployed in a distributed ledger application. The di... 2022-02-19, ∼2221🔥, 0💬

"fabric-nodeenv:latest not found" Error
How to resolve the "hyperledger/fabric-nodeenv:la testnot found" error? Based on discussions on the Internet, there is a something wrong in the Docker image repository for "hyperledger/fabric-nodeenv:la test"image. When you try to instantiate chaincode a Hyperledger Fabric network channel, a docker ... 2020-02-29, ∼2216🔥, 0💬

Install Hyperledger Fabric Binary Package
How to Install Hyperledger Fabric Binary Package on Ubuntu? I don't want to download the source code and build the binary. You can follow this tutorial to Install Hyperledger Fabric Binary Package on Ubuntu. 1. Create the download local directory: $ mkdir -p hyperledger-binaries/fabric-sa mples$ cd ... 2020-05-15, ∼2190🔥, 0💬

BYFN CLI Container "peer" Command
What is the BYFN (Build Your First Network) CLI Container "peer" Command? If you have the BYFN CLI container running, you can use it to run the "peer" command to manage your BYFN network. 1. Start the CLI container and connect to it: $ docker start cli cli $ docker exec -it cli bash bash-4.4# 2. Run... 2020-10-10, ∼2169🔥, 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, ∼2161🔥, 0💬

CouchDB Container Used in Hyperledger Fabric
What is the CouchDB container used in Hyperledger Fabric network? If you are using CouchDB instead of Go LevelDB, your Hyperledger Fabric network will have another type of containers: 5. CouchDB container - There is one CouchDB container connected to a peer. Each CouchDB stores the World State for t... 2020-07-03, ∼2127🔥, 1💬

basic-network Sample Network
Where to find tutorials on Hyperledger Fabric basic-network Sample Network? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyperledger Fabric basic-network Sample Network. What Is basic-network Sample Network start.sh - Start basic-network sto... 2020-04-25, ∼2122🔥, 0💬

"docker-compose up" Command - Start the Network
How to run "docker-compose up" command to deploy and start containers to run BYFN (Build Your First Network)? You can follow this tutorial to run "docker-compose up" command to deploy and start containers to run BYFN. $ cd hyperledger-binaries/fabric-sa mples/first-network$ docker-compose -f docker-... 2020-10-20, ∼2113🔥, 0💬

What Is Distributed Ledger
What Is distributed ledger? A distributed ledger, also called Distributed Ledger Technology (DLT), is a consensus of replicated, shared, and synchronized data storage based the blockchain technology. The Distributed Ledger Technology can be used to change the way we do business today in many areas. ... 2023-03-28, ∼2110🔥, 0💬

Update Anchor Peer of Each BYFN Organization
How to Update Anchor Peer of Each BYFN Organization? You can follow this tutorial to Update Anchor Peer of Each BYFN Organization. 1. Update the default peer as the anchor peer: bash-4.4# echo $CORE_PEER_ADDRESS peer0.org2.example.com:7051 bash-4.4# peer channel update -o orderer.example.com:7050 -c... 2019-04-13, ∼2087🔥, 0💬

fabcar.go - The "fabcar" Chaincode
What is the fabcar.go source code file? File fabcar.go contains the source code the "fabcar" chaincode (or Smart Contract). A copy of fabcar.go file is available is the /opt/gopath/src directory on the "cli" container. You can open and read it. 1. Copy fabcar.go from cli container: $ docker cp cli:/... 2020-02-20, ∼2049🔥, 0💬

Fabric CA (Certificate Authority)
Where to find tutorials on Fabric CA (Certificate Authority)? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Fabric CA (Certificate Authority). What Is Fabric CA (Certificate Authority) Fabric CA Integration with Fabric Peers Fabric Network wi... 2019-10-27, ∼2040🔥, 0💬

wallet-import.js - Import Keys to Wallet
How to write a Node.js script to Import Keys to Wallet? After enroll (sign in) to ca.example.com, you will receive your private key and a certificate of your public key. You can save import them into a local wallet. Here is sample Node.js script, wallet-import.js, that enrolls (signs in) to ca.examp... 2019-04-22, ∼2012🔥, 0💬

Start Hyperledger Composer Playground Server
How to start and stop Hyperledger Composer Playground Server? The command that represents the Hyperledger Composer Playground Server is "composer-playground". You can start the server as shown below: $ composer-playground ... INFO :LoadModule :loadModule() Loading composer-wallet-filesystem from /us... 2022-10-13, ∼1982🔥, 1💬

💬 2022-10-13 Khôi Nguyên: Thank ^^

submit-transaction.js - Submit Chaincode Transaction
How to write a Node.js script to submit a transaction defined in the Invoke method of a chaincode? Here is sample Node.js script, submit-transaction.js, that uses a given user identity from the local wallet to submit a transaction on chaincode. /* Copyright (c) FYIcenter.com */ 'use strict'; const {... 2019-04-22, ∼1959🔥, 0💬

Watch "orderer" Container Log
How to watch the log file of the "orderer" Container? The "orderer" Container plays an important role in a Hyperledger Fabric network. You can follow this tutorial to watch its log file: 1. Set up a new terminal on the hosting system to follow the log file of the "orderer" container: $ docker logs -... 2020-07-07, ∼1947🔥, 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, ∼1945🔥, 0💬

What Is Hyperledger
What Is Hyperledger? Hyperledger is an open source project for developing blockchain-based application frameworks and tools. Currently, Hyperledger is working on the following frameworks: Hyperledger Burrow v.0.21.0, 2019 - Hyperledger Burrow is a blockchain client including a built-to-specification... 2019-04-19, ∼1944🔥, 0💬

"composer network install" Errors
Why am I getting errors when running the "composer network install" command? There are couple of reasons why you are getting errors when running the "composer network install" command to deploy business network BNA files. Error Example 1 - $ cd tutorial-network $ composer network install --card Peer... 2020-12-26, ∼1941🔥, 0💬

What Is CTO Modeling Language
What is Business Network CTO Modeling Language? Business Network CTO Modeling Language is a special data modeling language to define complex data types from primitive data types. CTO source code can be stored in a single or multiple files with the *.cto file extension. Each CTO source code file shou... 2021-08-01, ∼1925🔥, 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, ∼1919🔥, 0💬

Hyperledger Fabric Environment Requirement
What are requirements for installing a Hyperledger Fabric development environment? Here are requirements for installing a Hyperledger Fabric 1.4 development environment: Operating System - Ubuntu Linux 14.04 / 16.04 LTS, or Mac OS 10.12. Git Client - Version 2.9 or higher. Git client allows you to d... 2020-11-11, ∼1917🔥, 0💬

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