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What Is Ledger Peer Operation RESTful API
What is Ledger Peer Operation RESTful API? Ledger Peer Operation RESTful API is RESTful Web service provided by a ledger peer. It is different than and separated from the primary ledger Web service provided by the ledger peer. Ledger Peer Operation RESTful API exposes the following functionalities: ... 2019-04-11, ∼1752🔥, 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, ∼1750🔥, 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, ∼1748🔥, 0💬

Member Peers of a Channel
How to find out which Peers are members of the "mychannel" channel? One way to find out which Peers are members of the "mychannel" channel is to visit each peers and check their joined channel list: 1. Connect to the CLI container: $ docker exec -it cli bash bash-4.4# 2. Check joined channel list on... 2020-05-29, ∼1748🔥, 0💬

Interfaces to Communicate with Ledger Peer
Where to find tutorials on Interfaces to Communicate with Ledger Peer? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Interfaces to Communicate with Ledger Peer. Main Interfaces to Communicate with Ledger Peer Download and Install Golang SDK D... 2020-01-29, ∼1743🔥, 0💬

Start/Stop Hyperledger Fabric Dev Environment
How to start and stop Hyplerledger Fabric Dev Environment? You can follow this tutorial to start and stop Hyplerledger Fabric on Ubuntu. 1. Make sure the Docker Engine is running: $ ps -e | grep dockerd 17939 ? 00:39:58 dockerd $ docker info Containers: 6 Running: 4 Paused: 0 Stopped: 2 Images: 88 S... 2021-04-04, ∼1735🔥, 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, ∼1730🔥, 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, ∼1723🔥, 0💬

View Logs Files of basic-network
How to view logs files of the example network, basic-network? The example network, basic-network, consists of 4 Docker containers. You can view the log file on each container. 1. View log file of the orderer container: $ docker logs orderer.example.com [orderer.common.server] prettyPrintStruct -&... 2020-04-14, ∼1719🔥, 0💬

Deploy ca.example.com Manually
How to Deploy ca.example.com as a Docker container manually? You can follow this tutorial to Deploy ca.example.com as a Docker container manually. 1. Verify the configuration of the ca.example.com container defined in the docker-compose.yml file: $ cd ~/hyperledger-binaries/fabric- samples/basic-netw... 2020-03-25, ∼1719🔥, 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, ∼1716🔥, 1💬

Switch Default Peer on BYFN CLI Container
How to switch the default peer on BYFN CLI Container? I want to join peer0.org2.example.com to the channel. You can follow this tutorial to switch the default peer to peer0.org2.example.com and join it to BYFN "mychannel" channel. 1. Switch the default peer by changing environment variables: bash-4.... 2020-09-30, ∼1714🔥, 0💬

Invoke Chaincode Transaction on BYFN Channel
How to Invoke Chaincode Transaction on BYFN Channel? An instance of a chaincode can be viewed as an object of a class in an execution environment. It can hold transaction operations to manage its properties. You can run the "peer chaincode invoke" command to invoke the "Invoke" operation of a given ... 2020-09-30, ∼1714🔥, 0💬

Upgrade Chaincode Instance on BYFN
How to upgrade chaincode instance on BYFN? You can follow this tutorial to upgrade the chaincode instance on BYFN. You can use this process to fix any issues with chaincode instance without destroy its data. 1. Install new version, 2.0, of the chaincode on the default peer, peer0.org1. bash-4.4# ech... 2020-09-12, ∼1706🔥, 1💬

Start CLI Container for MagnetoCorp Admin
How to Start CLI Container for the MagnetoCorp Administrator? If you are the administrator from MagnetoCorp 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: (magnet... 2019-12-19, ∼1706🔥, 0💬

"peer chaincode invoke" on BYFN
How to run "peer chaincode invoke" to invoke the transaction on the chaincode instance? After a chaincode in properly installed on all peers and instantiated on the channel, you can run the "peer chaincode invoke" to invoke the transaction on the chaincode instance. 1. Verify instantiated chaincode:... 2020-08-13, ∼1704🔥, 0💬

"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, ∼1703🔥, 0💬

Download Business Network from Playground
How to download Business Network from Hyperledger Composer Playground? You can follow this tutorial to download a Business Network from Hyperledger Composer Playground and save it to your local computer. 1. Open Hyperledger Composer Playground and go to Basic Sample Business Network home page, as sh... 2020-12-15, ∼1702🔥, 0💬

Install Hyperledger Composer on UBuntu
How to install Hyplerledger Composer on Ubuntu? You can follow this tutorial to install Hyplerledger Composer on Ubuntu 1. Install Hyplerledger Composer CLI: $ sudo npm install -g composer-cli ... installation messages ... $ composer --version v0.20.8 2. Install Hyplerledger Composer REST API Server... 2021-05-04, ∼1693🔥, 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, ∼1691🔥, 0💬

"docker start/stop" - Start and Stop Docker Containers
How to run "docker start/stop" - Start and Stop Docker Containers for BYFN (Build Your First Network)? If you have your BYFN Docker containers deployed to the Docker Engine, you can use the "docker start/stop" command to manage them. 1. Look at the status of all deployed Docker containers: $ docker ... 2020-10-10, ∼1689🔥, 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, ∼1689🔥, 0💬

Instantiate PaperNet Chaincode (Smart Contract)
How to Instantiate the PaperNet Chaincode (Smart Contract), papercontract.js? Now that papercontract chaincode containing the CommercialPaper chaincode is installed on the required PaperNet peers, you, as administrator, can make it available to different network channels, so that it can be invoked b... 2019-12-02, ∼1688🔥, 0💬

Verify World State in CouchDB
How to Verify World State in CouchDB container? Since peer0.org1.example.com uses the couchdb container to store the world state, you can check the current states of all assets managed by the chaincode. 1. Get database name for the chaincode "fabcar": $ curl http://localhost:5984/_all_dbs ["_replica... 2020-02-20, ∼1683🔥, 0💬

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