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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, ∼1660🔥, 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, ∼1659🔥, 0💬

Remove Older Versions Chaincode Containers
How to Remove Older Versions Chaincode Containers after the chaincode instance is upgraded? After a chaincode instance is upgraded, chaincode containers of the old version are still running on the Docker Engine. You can follow this tutorial to remove them. 1. List all chaincode containers: $ docker ... 2020-08-13, ∼1656🔥, 0💬

Create Identity Wallet for Balaji
How to Create Identity Wallet for Balaji at DigiBank? Like Isabella at MagnetoCorp, Balaji at DigiBank needs prepare his system with a wallet to store his identity. He also needs to install Node.js dependencies to run applications written with Hyperledger Fabric Node.js SDK. 1. Install Node.js depen... 2019-11-08, ∼1653🔥, 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, ∼1651🔥, 0💬

What Is Hyperledger Fabric Query
What Is Hyperledger Fabric Query? A Hyperledger Fabric Query is a GET operation provided by a chaincode on a channel on a Hyperledger Fabric network to return the current state of a given asset. In order to perform a query operation, you need to prepare the following: Asset ID - Identifies the Asset... 2020-01-29, ∼1651🔥, 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, ∼1649🔥, 0💬

docker-compose-orderer.yaml - Docker Configuration
What is the Docker Compose configuration file for an Orderer peer? The Docker Compose configuration file, docker-compose-orderer.yaml, provides settings on how to run the orderer peer on the Docker engine. Here is a sample of docker-compose-orderer.yaml for a single orderer peer: $ cd fabric-orderer... 2019-08-23, ∼1647🔥, 0💬

CTO Language Statements
What are Business Network Model CTO Language Statements? Business Network Model CTO language supports 8 types of statements. namespace - The "namespace" statement declares a namespace as the prefix for all data types defined in this CTO file. The "namespace" statement has the same syntax as the "nam... 2021-08-04, ∼1641🔥, 1💬

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, ∼1641🔥, 0💬

evaluate-transaction.js - Evaluate Chaincode Transaction
How to write a Node.js script to evaluate a transaction defined in the Invoke method of a chaincode? Here is sample Node.js script, evaluate-transaction.js, that uses a given user identity from the local wallet to evaluate a transaction on chaincode. /* Copyright (c) FYIcenter.com */ 'use strict'; c... 2019-04-22, ∼1639🔥, 0💬

WYFA (Writing Your First Application)
Where to find tutorials on WYFA (Writing Your First Application) Network? I need help to follow the document provided at hyperledger-fabric.readthedocs .ioWebsite. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on WYFA (Writing Your First Applica... 2020-03-15, ∼1638🔥, 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, ∼1630🔥, 0💬

Fabric Network without CA Server
Can I run a Hyperledger Fabric Network without Fabric CA Server? Yes, you can run a Hyperledger Fabric Network without Fabric CA Server. In that case, you have to manage PKI certificate services manually For example, you need to do the following manually to add a new user to access your ledger peer:... 2019-10-18, ∼1628🔥, 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, ∼1624🔥, 0💬

Deploy couchdb Container Manually
How to Deploy couchdb as a Docker container manually? You can follow this tutorial to Deploy couchdb as a Docker container manually. 1. Verify the configuration of the couchdb container defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/fabric- samples/basic-network$ more docker-com... 2020-07-03, ∼1624🔥, 1💬

Watch Chaincode Container Log
How to watch the log file of chaincode Container Log? You can follow this tutorial to watch the log file of a chaincode container: 1. Set up new terminal on the hosting system to follow the log file of the chaincode container linked to "peer0.org1": $ docker ps --all | grep dev-peer0.org1 cc7aeb60bb... 2020-06-08, ∼1622🔥, 0💬

Issue to Install "npm 5.x" on Ubuntu 18
Why I can only install "npm 3.5.2" on Ubuntu 18? If you are running Ubuntu 18, the default "apt install npm" command will only insatlle "npm 3.5.2: $ sudo apt install npm ... installing the "npm" package $ sudo apt install npm Reading package lists... Done Building dependency tree Reading state info... 2021-04-04, ∼1609🔥, 0💬

Deploy Business Network Archive (BNA) to Playground
How to deploy a Business Network Archive (BNA) file to Hyperledger Composer Playground? If you have an existing Business Network Archive (BNA) file that contains a Hyperledger Composer Business Network application, you can follow this tutorial to deploy it to the Hyperledger Composer Playground. 1. ... 2020-12-15, ∼1609🔥, 0💬

Switch Default Peer with Scripts
How to Switch Default Peer on the CLI container with Scripts? I am tired of typing those 4 CORE_PEER_* export commands. From previous tutorial, we know that we need to type in export commands to set 4 CORE_PEER_* environment variables. But you can also put them into shell scripts and run them whenev... 2020-05-29, ∼1607🔥, 0💬

Hyperledger Composer Components
What components are included in Hyperledger Composer? Here are major components included in Hyperledger Composer: Composer Runtime - Runs on top of the Hyperledger Fabric framework to run ledger applications called business networks. Composer Playground - Runs in a Web browser providing a Hyperledge... 2021-12-28, ∼1605🔥, 0💬

orderer.yaml - Orderer Peer Configuration File
What is the Orderer Peer Configuration File, orderer.yaml? The Orderer Peer Configuration File, orderer.yaml, provides settings to control the behavior of the Orderer peer. You can take a copy of the orderer.yaml provided in Fabric binary and sample package: $ cd fabric-orderer $ cp ~/hyperledger-bi... 2019-09-04, ∼1603🔥, 0💬

start.sh - Start basic-network
How to run start.sh script to start the Hyperledger Fabric example network, basic-network? You can follow this tutorial to run start.sh script to start the Hyperledger Fabric example network, basic-network. 1. Stop existing Hyperledger Fabric Networks on your local host by stopping all Docker contai... 2020-04-25, ∼1598🔥, 0💬

"docker exec -it cli bash" - BYFN CLI Shell
How to run "docker exec -it cli bash" command to run a shell script window in the BYFN (Build Your First Network) CLI Docker Container? The BYFN (Build Your First Network) CLI Docker Container is a command line service door to manage your BYFN network. You can run it and connect to it as shell scrip... 2020-10-10, ∼1594🔥, 0💬

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