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Enroll Fabric CA Client Admin Identity
How to Enroll Fabric CA Client Admin Identity? In order to use Fabric CA Client tool, you must enroll the server admin identity first. 1. Make sure Fabric CA Server is running at port 7054. 2. Set up FABRIC_CA_CLIENT_HOME environment variable to avoid using the default of $HOME/.fabric-ca-client $ m...
2019-09-27, 826👍, 0💬

redeem.js - Application to Redeem Paper
What is the Application to Redeem Pape, redeem.js? redeem.js is a client application using the Hyperledger Fabric Node.js SDK library to invoke the redeem() function of the papercontract running on the PaperNet. 1. View redeem.js source code: (balaji)$ cd ~/hyperledger-binaries/fabric- samples(balaj...
2019-11-08, 825👍, 0💬

Turn on Ledger Peer Operation RESTful API
How to Turn on Ledger Peer Operation RESTful API? You can follow this tutorial to Turn on Ledger Peer Operation RESTful API. 1. Update Docker Compose YAML file, docker-compose-peer.yaml to override the "operations" settings: $ cd fabric-peer $ vi docker-compose-peer.yaml # Copyright (c) FYIcenter.co...
2019-02-09, 825👍, 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, 821👍, 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, 820👍, 0💬

BYFN Chaincode Docker Container
What is the BYFN chaincode Docker container? The BYFN chaincode Docker container represents the running instance of the "mycc" chaincode. When "mycc" chaincode is instantiated from peer0.org1, a chaincode Docker container (shim) is deployed and started on the Docker engine. You can find chaincode co...
2020-09-15, 820👍, 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, 820👍, 0💬

Verify Docker Engine on Ubuntu
How to verify Docker Engine on Ubuntu? Hyperledger Fabric framework runs on Docker Engine. So it is important to verify that Docker Engine is running correctly on your local Ubuntu system. Here are some suggestions on how to verify the Docker Engine. 1. Verify version of the Docker Engine and make s...
2020-05-15, 819👍, 0💬

Prepare User Identity for Isabella
How to Prepare User Identity for Isabella? If Isabella wants to run any application to use the chaincode running the PaperNet, you to prepare a user identity for her. An identity of an application user consists of a private key and a public key certificate issue by the CA node of the PaperNet. Norma...
2019-11-21, 819👍, 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, 818👍, 0💬

Hyperledger Composer Log File Location
Where are Hyperledger Composer Log Files located? Log files of the Hyperledger Composer developer environment is located in the "~/.composer/logs" directory. $ cd ~/.composer/logs $ ls -l -rw-rw-r-- 1 fyicenter 2257 Mar 31 19:49 trace_20190331.log -rw-rw-r-- 1 fyicenter 10482 Apr 1 13:05 trace_20190...
2020-12-02, 817👍, 0💬

Peer and CouchDB Container Dependency
Which Peer container depends which CouchDB container in BYFN network? If you are running BYFN (Build Your First Network) with the CouchDB option, the Peer and CouchDB Container Dependency is defined in the "docker-compose-couch.yaml" file. $ cd ~/hyperledger-binaries/fabric- samples/first-network$ m...
2020-07-03, 816👍, 1💬

"docker-compose" - Deploy Orderer to Docker
How to deploy Orderer peer to Docker using the "docker-compose" command? You can follow this tutorial to deploy Orderer peer to Docker using the "docker-compose" command. 1. Verify required files for the Orderer peer: $ cd fabric-orderer $ ls -l -rw-rw-r-- 1 fyicenter 935 Apr 1 02:23 docker-compose-...
2019-08-23, 816👍, 0💬

Basic Sample Business Network - SampleAsset
How to add new SampleAsset records in Basic Sample Business Network? You can follow this tutorial to add new SampleAsset records in Basic Sample Business Network. 1. Open Hyperledger Composer Playground and go to Basic Sample Business Network home page, as shown in the previous tutorial. 2. Click "T...
2020-12-22, 815👍, 0💬

Build the BYFN Network Manually
How to build the BYFN (Build Your First Network) manually? You build the BYFN network automatically with the "./byfn.sh up" script command. But if you want to learn how to build it manually, you need to complete the following steps: 1. Review and revise crypto-config.yaml configuration file, which c...
2020-10-26, 815👍, 0💬

Hyplerledger Fabric Environment on Ubuntu
Where to find tutorials on Hyplerledger Fabric Environment on Ubuntu? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Hyplerledger Fabric Environment on Ubuntu. Hyplerledger Fabric Environment Requirement Install Hyperledger Fabric Prerequisite...
2020-11-11, 813👍, 0💬

Start CLI Container for DigiBank Admin
How to Start CLI Container for the DigiBank Administrator? If you are the administrator from DigiBank 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: (digibank adm...
2019-11-21, 810👍, 0💬

"fabric-ca-client certificate list" - List Certificates
How to List Certificates with the "fabric-ca-client certificate list" command? If you want get a list of certificates from the Fabric CA Server, you can run the "fabric-ca-client certificate list" command: $ export FABRIC_CA_CLIENT_HOME=~/fabric -ca/native-client/admin$ ~/go/bin/fabric-ca-client cer...
2019-09-27, 810👍, 0💬

BYFN CLI "peer" Command Prefix
How to use BYFN CLI "peer" Command Prefix? By default, when you run the "peer" command on the BYFN CLI container, it will be executed again the default peer node specified by 4 environment variables: CORE_PEER_MSPCONFIGPATH=/opt/g opath/.../org1.example.com/use rs/Admin@org1.example.com/mspCORE_PEER_...
2020-09-15, 807👍, 0💬

What Is Basic Sample Business Network
What is Basic Sample Business Network? Basic Sample Business Network is the "Hello World" of Hyperledger Composer samples, which demonstrates the core functionality of Hyperledger Composer by changing the value of an asset. Basic Sample Business Network supports the following business object types: ...
2020-12-22, 806👍, 0💬

Download Blocks from Blockchain
How to download blocks from the blockchain on the peer? You can follow this tutorial to download blocks from the blockchain on the peer. 1. Connect to the peer container and setup membership variables: $ docker exec -it peer0.org1.example.com bash root@aedfd08717a5:/opt/gopath/ src/github.com/hyperle...
2020-03-25, 806👍, 0💬

Basic Sample Business Network - Home Page
What is on the Basic Sample Business Network home page? You can follow this tutorial to see what's on the Basic Sample Business Network home page. 1. Run Web browser and go to: composer-playground.mybluemix. net. 2. Click on "Let's Blockchain!" to skip the welcome page. 3. Click "Get Started -&g...
2020-12-22, 805👍, 0💬

Hyperledger Composer Environment Channels
What Channels are included in my Hyperledger Composer Environment? In the fabric-dev-servers.tar.gz package, only one channel, "composerchannel", is created in the Hyperledger Composer Developer Environment. The peer node peer0.org1.example.com has been configured to this channel. You can only deplo...
2020-07-14, 804👍, 0💬

Join Peer to BYFN Network Channel
How to join the default peer to a BYFN network Channel? You can follow this tutorial to join the default peer to a BYFN network Channel. In last tutorial, we have created a transaction file, channel.tx, that contains a transaction message to create a channel called "mychannel" on the BYFN network. N...
2020-09-30, 802👍, 0💬

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