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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, 331👍, 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, 318👍, 0💬

BYFN configtx.yaml Configuration File
What is the configtx.yaml Configuration File used in BYFN (Build Your First Network)? The configtx.yaml Configuration File provides settings on how the BYFN network should be created. Here is the default copy of crypto-config.yaml provided in BYFN: # Copyright IBM Corp. All Rights Reserved. --- ####...
2020-10-26, 318👍, 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 Infrastructur) technology. In BYFN, each organization who manages peer nodes ac...
2020-10-26, 312👍, 0💬

"cryptogen" Command - Generate Keys and Certificates
How to run "cryptogen" command to generate private keys and public certificates to support organizations and users needed for BYFN (Build Your First Network)? You can follow this tutorial to run "cryptogen" command to generate private keys and public certificates to support organizations and users n...
2020-10-26, 305👍, 0💬

"docker-compose up" Command - Start the Network
How to run "docker-compose up" command to deploy and start containers to run BYFN (Build Your First Network)? You can follow this tutorial to run "docker-compose up" command to deploy and start containers to run BYFN. $ cd hyperledger-binaries/fabric-sa mples/first-network$ docker-compose -f docker-...
2020-10-20, 345👍, 0💬

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, 320👍, 0💬

"configtxgen" Command - Build genesis.block
How to run "configtxgen" command to build the orderer genesis block for BYFN (Build Your First Network)? You can follow this tutorial to run "configtxgen" command to build Orderer Genesis Block for BYFN. The "configtxgen" command file is located in the ../bin directory. It takes the configtx.yaml fi...
2020-10-20, 320👍, 0💬

"configtxgen" Command - Build channel.tx
How to run "configtxgen" command to build a transaction message to create the channel in BYFN (Build Your First Network)? You can follow this tutorial to run "configtxgen" command to build a transaction message to create the channel in BYFN. The "configtxgen" command file is located in the ../bin di...
2020-10-20, 312👍, 0💬

"configtxgen" Command - Build *MSPanchors.tx
How to run "configtxgen" command to build a transaction message to define the anchor peer in each organization in BYFN (Build Your First Network)? You can follow this tutorial to run "configtxgen" command to build a transaction message to define the anchor peer in each organization in BYFN. The "con...
2020-10-20, 307👍, 0💬

XML to JSON Conversion at freeformatter.com
How to use the XML to JSON Conversion Tool at freeformatter.com? If you want to try the XML to JSON Conversion Tool at freeformatter.com, you can follow this tutorial: 1. Go to the JSON and XML Conversion Tool page at freeformatter.com. 2. Enter the following XML document in the XML text area: &...
2020-10-17, 1140👍, 1💬

💬 2020-10-17 Debra55: I think this is an informative post and it is very useful and knowledgeable. therefore, I would like to thank you for the effort...

BYFN CLI Container "peer" Command
What is the BYFN (Build Your First Network) CLI Container "peer" Command? If you have the BYFN CLI container running, you can use it to run the "peer" command to manage your BYFN network. 1. Start the CLI container and connect to it: $ docker start cli cli $ docker exec -it cli bash bash-4.4# 2. Run...
2020-10-10, 349👍, 0💬

BYFN Error - "unable to bootstrap orderer"
Why am I getting the "panic: unable to bootstrap orderer. Error reading genesis block file: read /var/hyperledger/orderer/order er.genesis.block:is a directory" error? When you build and deploy your BYFN network manually, you may end up missing the genesis.block file. Try to run the "docker-compose ...
2020-10-10, 345👍, 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, 342👍, 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, 332👍, 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, 305👍, 0💬

Query Chaincode Property on BYFN Channel
How to Query Chaincode Property on BYFN Channel? An instance of a chaincode can be viewed as an object of a class in an execution environment. It can hold properties. You can run the "peer chaincode query" command to query the current value of a given property of a given chaincode instance. 1. Verif...
2020-09-30, 384👍, 0💬

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 channing envrionment variables: bash-4....
2020-09-30, 353👍, 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, 347👍, 0💬

CORE_PEER_* Environment Variables on BYFN CLI
What is the default peer and how to change it on the BYFN CLI container? On the BYFN CLI container, you can manage other peer nodes with the "peer" command. When you run a "peer" command, it will connect to the default peer node define by these environment variables: CORE_PEER_ADDRESS=peer0.org1.e xa...
2020-09-30, 342👍, 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, 320👍, 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, 359👍, 0💬

Uninstall Chaincode on BYFN Peers
How to uninstall chaincodes on BYFN Peers? Unfortunately, the BYFN CLI "peer chaincode" command does offer any option to uninstall chaincodes from a given peer. You have two options when your chaincodes from different peers are out of sync or incompatible: 1. Destroy chaincode instance and re-instal...
2020-09-15, 343👍, 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, 342👍, 0💬

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