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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, ∼2356🔥, 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, ∼2349🔥, 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, ∼2347🔥, 0💬

BYFN crypto-config.yaml Configuration File
What is the crypto-config.yaml Configuration File used in BYFN (Build Your First Network)? The crypto-config.yaml Configuration File provides settings on how to generate private keys and public certificates for network entities: order and peer organizations. Here is the default copy of crypto-config... 2020-10-26, ∼2341🔥, 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, ∼2333🔥, 0💬

BYFN Root CA Certificates
Where are BYFN root CA (Certificate Authority) certificates are located? Like all Hyperledger Fabric networks, BYFN is a private and permission based hyperledger network. Access to the network are control PKI (Public Key Infrastructure) technology. In BYFN, each organization who manages peer nodes a... 2023-07-20, ∼2328🔥, 1💬

💬 2023-07-20 mohsin: How can i register ad enroll user usig msp and ca

"byfn.sh down" - Shut Down BYFN Network
How to run "byfn.sh down" to shut down the BYFN Network? You can follow this tutorial to run "byfn.sh down" to shut down the BYFN Network. The "./byfn.sh down" command automatically generates the configuration again, deploys/starts all containers to the Docker Engine, and runs a set of chaincode tes... 2020-05-05, ∼2309🔥, 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, ∼2305🔥, 0💬

Install Chaincode on BYFN Peers
How to install chaincode on BYFN peers? You can follow this tutorial to install chaincode on BYFN peers manually. 1. Verify the chaincode source file on the BYFN CLI container: $ docker exec -it cli bash bash-4.4# bash-4.4# echo $GOPATH /opt/gopath bash-4.4# ls -l $GOPATH/src/github.com/chainco de/ch... 2019-04-13, ∼2304🔥, 0💬

Deploy Peer with Default Configuration
How to Deploy the Peer Docker Image with the Default Configuration? You can follow this tutorial to deploy the Peer Docker Image with the Default Configuration. 1. Create a new Docker Compose YAML file, docker-compose-peer.yaml: $ cd fabric-peer $ vi docker-compose-peer.yaml # Copyright (c) FYIcente... 2019-05-10, ∼2278🔥, 0💬

Start Fabric CA Server Natively
How to Start Fabric CA Server Natively? You can follow this tutorial to Start Fabric CA Server Natively. 1. Shutdown existing Fabric CA Server or any process (or docker container) that is using port 7054. $ docker ps | grep fabric-ca hyperledger/fabric-ca:amd64-1. 4.0Up 9 days 0.0.0.0:7054-&gt;7... 2019-10-18, ∼2266🔥, 0💬

Business Network Archive (BNA) File
What is Business Network Archive (BNA) file? A Business Network Archive (BNA) file is ZIP file that contains all source code files for a Hyperledger Composer application called Business Network. For example, if you downloaded the Basic Sample Business Network as a BNA file as shown in the previous t... 2020-11-22, ∼2260🔥, 0💬

Node.js SDK and Client Application
What is Node.js SDK and how to use it to write client applications? Hyperledger Fabric Node.js SDK is a set of libraries that allows you to write client applications to interact with chaincode in Node.js language. A Hyperledger Fabric network can be viewed as virtual operating system. Once it is up ... 2020-02-07, ∼2253🔥, 0💬

Requirements for Fabric CA Server and Client
What are the requirements to install and run Fabric CA Server and Client? Fabric CA Server and Client are written in Golang, so you need to stall Go environment and required libraries: Go 1.10+ installation GOPATH environment variable is set correctly libtool and libtdhl-dev packages are installed 1... 2019-10-18, ∼2251🔥, 0💬

"docker rmi" - Remove Docker Images
How to run Docker images with the "docker rmi" command? If some Hyperledger Fabric scripts failed to remove Docker images, you can remove them manually with the "docker rmi" command. 1. Identify the image with REPOSITORY and TAG with the "docker images" command: $ docker images REPOSITORY TAG CREATE... 2020-04-14, ∼2245🔥, 0💬

Types of Hyperledger Fabric Docker Containers
How many types of Hyperledger Fabric Docker Containers are there? In a typical Hyperledger Fabric network (using goleveldb instead of couchdb), you will have 4 types containers running on the Docker Engine: 1. Orderer container - In a simple Hyperledger Fabric network, there is only one Orderer cont... 2020-07-07, ∼2235🔥, 0💬

Second Admin Enroll to Create Wallet
How can the second admin create his/her own certificate and save it in a wallet? You need to pass the identity name and password of "admin2" and "WSATRHlgxxnk" to the second admin to create his/her own certificate and save it in a wallet. 1. Pass identity "admin2" and "WSATRHlgxxnk" to Amy. 2. Amy i... 2019-09-16, ∼2231🔥, 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, ∼2218🔥, 0💬

Multiple Ledger Peers within Organization
Can I run multiple ledger peers in my organization on a multi-organization network? Yes, you can run multiple ledger peers in your organization on a multi-organization network. This will make the network more reliable to serve client applications of your organization. You can also replace the third ... 2020-01-29, ∼2212🔥, 0💬

Deploy Orderer with Default Configuration
How to Deploy the Orderer Docker Image with the Default Configuration? You can follow this tutorial to deploy the Orderer Docker Image with the Default Configuration. 1. Create a new Docker Compose YAML file, docker-compose-default.yaml: $ cd fabric-orderer $ cp docker-compose-orderer.yaml docker-co... 2019-05-14, ∼2212🔥, 0💬

BYFN Chaincode - chaincode_example02.go
What is the chaincode in Golang used in BYFN (Build Your First Network)? The chaincode in Golang used in BYFN (Build Your First Network) is located in the chaincode_example02.go file and located in hyperledger-binaries/fabric-sa mples/chaincode/chaincode_exam ple02/go/directory: $ cd hyperledger-bina... 2019-04-13, ∼2195🔥, 0💬

Generate Genesis Block for Orderer
How to generate the Generate Genesis Block for the Orderer peer? When running a Hyperledger Fabric network, orderer peers also maintains a special blockchain called the orderer system channel (or ordering system channel). If you are starting a new orderer peer, you need to generate the genesis block... 2019-08-23, ∼2194🔥, 0💬

BYFN Containers Running on Docker
What BYFN (Build Your First Network) containers are running on Docker Engine? Once your BYFN is deployed and executed on the Docker Engine, there will be 9 containers running on the Docker Engine: $ cd hyperledger-binaries/fabric-sa mples/first-network$ ./byfn.sh up ... $ docker ps IMAGE COMMAND NAM... 2020-11-11, ∼2190🔥, 0💬

CouchDB Server Admin Web Portal
What is CouchDB Server Admin Web Portal? 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 an admin web portal that allows you manage the CouchDB server, it... 2019-04-19, ∼2178🔥, 0💬

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