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BYFN docker-compose-cli.yaml Configuration File
What is the docker-compose-cli.yaml Configuration File used in BYFN (Build Your First Network)? The docker-compose-cli.yaml Configuration File provides settings on Docker containers to run the BYFN network. Here is the default copy of docker-compose-cli.yaml provided in BYFN: # SPDX-License-Identifi... 2020-10-20, 801👍, 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, 800👍, 0💬

Deploy cli Container Manually
How to Deploy cli as a Docker container manually? You can follow this tutorial to Deploy cli as a Docker container manually. 1. Verify the configuration of the cli container defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/fabric- samples/basic-network$ more docker-compose.yml ...... 2020-03-15, 799👍, 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, 799👍, 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, 798👍, 0💬

Blockchain Data Files on Peer Container
Where is the location of Blockchain Data Files on a Peer Container? We known that each peer container needs to maintain a copy of the ledger data for each channel it joined. Ledger data is divided into 2 parts: World State and Blockchain. The World State data is stored in a database, like Go LevelDB... 2020-05-29, 797👍, 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, 792👍, 0💬

Container Network - "net_basic"
What is the Container Network - "net_basic"? "net_basic" is a Docker container network consists of all containers related to Hyperledger Fabric network, basic-network. A container network groups containers together to help network communications among those containers. You can verify the "net_basic"... 2020-04-14, 790👍, 0💬

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, 789👍, 0💬

What Is Blockchain
What Is Blockchain? A blockchain is a growing list of data blocks that are cryptographically chained together. A blockchain has the following main features: A data block has a header and a list of data transactions. Merkle hash tree is used to store a fingerprint of all transactions in the block hea... 2022-03-29, 786👍, 0💬

Hyplerledger Fabric Environment Requirement
What are requirements for installing a Hyplerledger Fabric development environment? Here are requirements for installing a Hyplerledger 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... 2020-11-11, 785👍, 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, 782👍, 0💬

Deploy peer0.org1.example.com Manually
How to Deploy peer0.org1.example.com as a Docker container manually? You can follow this tutorial to Deploy peer0.org1.example.com as a Docker container manually. 1. Verify the configuration of the peer0.org1.example.com container defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/f... 2020-03-25, 782👍, 0💬

"composer network" Commands
What can I do with "composer network" command? "composer network" commands are part of the Composer CLI command set. It allows you to manage business networks running in the Hyperledger Composer developer environment. Here is the syntax of the "composer network" commands: $ composer network help Com... 2020-12-26, 781👍, 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, 780👍, 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, 779👍, 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, 778👍, 0💬

Hyperledger Composer Runtime
What Is the Hyperledger Composer Runtime? The primary component of the Hyperledger Composer is the Composer Runtime as shown in the following architecture diagram: |----------------------------- || Business | Business | ... | | Network 1 | Network 2 | ... | |----------- API -------------| |---------... 2021-12-28, 776👍, 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 A... 2020-01-29, 775👍, 0💬

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, 774👍, 0💬

Inspect Transaction Blocks of Channel Blockchain
How to Inspect Transaction Blocks of Channel Blockchain? You can follow this tutorial to Inspect Transaction Blocks of Channel Blockchain. 1. Connect to the CLI container of the Hyperledger Fabric network: $ docker exec -it cli bash bash-4.4# 2. Download (fetch) the newest block from "mychannel" cha... 2020-08-13, 772👍, 0💬

stop.sh - Stop basic-network
How to run stop.sh script to stop the Hyperledger Fabric example network, basic-network? You can follow this tutorial to run stop.sh script to stop the Hyperledger Fabric example network, basic-network. 1. Run stop.sh script to stop the basic-network: $ cd ~/hyperledger-binaries/fabric- samples/basic... 2020-04-25, 772👍, 0💬

Install Composer Prerequisites on Ubuntu
How to install Hyplerledger Composer Prerequisites on Ubuntu? The best way to install Hyplerledger Composer Prerequisites on Ubuntu is to download and run the prereqs-ubuntu.sh script. 1. Verify your Ubuntu version: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: U... 2021-05-04, 770👍, 0💬

"crypto-config.yaml" Environment Configuration File
What is the "crypto-config.yaml" Environment Configuration File? "crypto-config.yaml" is a Configuration File used to control the Hyplerledger Composer development environment. It is located in the "composer" sub-directory: $ cd fabric-dev-servers/fabric-scri pts/hlfv12/composer$ ls -l -rw-r--r-- 1 ... 2020-07-22, 767👍, 0💬

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