what is hyperledger fabric

Super Ledger Hyperledger-fabric local compilation and installation From Yang Paohua and other "blockchain-principles, design and Application" Local compilation installation deployment Super Ledger fabric network. The super ledger fabric is based on the Go language implement

-core_peer_pki_eca_paddr=membersrvc:7054-core_peer_pki_tca_paddr=membersrvc:7054-core_peer_pki_tlsca_paddr=membersrvc:7054-Core_security_enabled=true-Core_security_enrollid=test_vp0-CORE_SECURITY_ENROLLSECRET=MWYPMSRJUPBTLinks-MEMBERSRVCCommand:sh-c "Sleep 5; Peer Node Start–peer-chaincodedev "6. Chen Zhaolin Facebookhttps://zh-cn.facebook.com/chaolin.chen.18participation in the text: 1.https://github.com/hyperledger/

as a standalone database process with peer, so there are additional considerations for setup, management, and operation. We can consider starting with the default embedded Leveldb, which can be transferred to COUCHDB if additional complex rich queries are required. Modeling Chaincode Asset data as JSON is a good practice so that we can execute the complex rich queries we need in the future. Two. Enable Couchdb This article uses the relevant component

First, the Fabric SDK The latest official document for Hyperledger fabric (V1.1.0-preview), the description of the Fabric SDK is still poor, just a few simple descriptions, plus two GitHub links: Fabric-sdk-node

00 Introduction The open source Blockchain distributed ledger--hyperledger Fabric, launched by the Linux Foundation, has ushered in the 1.2.0 version. The project focuses on performance and reliability, as well as cross-industry collaboration to drive blockchain and distributed ledger technology. Hyperledger Fabric can

This is the Chaincode for developers chapter in the official document of Hyperledger Fabric V1.0.The first translation, the wrong place also asked netizens to point out that we learn together progress.Original address (http://hyperledger-fabric.readthedocs.io/en/latest/chaincode4ade.html) chain code

Executive: SH bootstrap-1.0.1.sh After execution will start waiting for the mirror download, after the download is complete, you can use the following command to view the downloaded mirrorDocker Images | grep hyperledger* 3. Mode three Still the way two downloaded source file path github.com/hyperledger/fabric/exampl

If you have installed tools such as Go, git and checkout related and download related images, you can only get up to 5 steps below. e2e_cli~/go/src/github.com/hyperledger/fabric$sudo chmod 777 release~/go/src/github.com/hyperledger/fabric$sudo chmod 777examples/e2e_cli~/go/src/github.com/

Password. Password: # Number of retries for CouchDB errors maxretries:3# Number of retries for CouchDB errors during peer startup Maxretriesonstartup:10# CouchDB Request Timeout (unit:duration, e.g. 20s) requesttimeout:35s # Limit on the number of Reco RDS to return per query Querylimit:10000 COUCHDB is hosted in a Docker container by using a Docker compose script that uses Hyperledger

Looking back at one of my previous blogs, in Fabric 1.0, we have 3 types of data stores, one based on the file system Blockchain data, which is like Bitcoin, and bitcoin is also stored in file form. The blockchain in Fabric1.0 stores the transaction order read-write set. What exactly

This is a creation in Article, where the information may have evolved or changed. Hyperledger Fabric Client SDK for Go Go get-u github.com/hyperledger/fabric-sdk-go Document Https://godoc.org/github.com/hyperledger/

0x00 In fabric, peer is an important binary program, its function is mainly to provide peer related operations, regarding peer concept, can refer to official Document 1 and Official Document 2, peer this CLI tool, as a client, can be launched to the Blockchain Network ( channel ) peerrelated from the operation, this command contains a lot of sub-commands, this ar

variable: Enter the. BASHRC Configuration environment variable: $ sudo vim ~/. BASHRC or: $ sudo vim/etc/profile Add the following code to the last side: Export gopath=/usr/local/goexport path= $GOPATH/bin: $PATH 　　 Save, exit. To make an environment variable effective: $ source ~/. BASHRC or: $ source/etc/profile 　　 　　After viewing the version number no problem, the configuration is successful.1.3.2 node. js Download node. js $ CURL-SL https:// Inst

Because the software (Docker fabric 0.6) and the system (Ubuntu 16.04TLS) operating environment version of the changing, so the online list of various tutorials or the personal summary of netizens may not be able to walk in their own environment, especially for the novice, out of the wrong. Fabric 1.0 is not going to be ready at the end of March, so share your su

Output:go version go1.10.1 linux/amd64 If you have an older version of Golang in your system, uninstall the old version of Golang using the following command, and then reinstall $ su -# apt-get remove golang-go --purge apt-get autoremove --purge apt-get clean Installing node and NPM Install NVM Install node $ nvm install v8.11.1 Check node version $ node -v Output:v8.11.1 Check NPM version $ npm -v Output:5.6.0 Hyperledger

the code The preferred need is to determine that the go environment is installed and properly configured. For the sake of simplicity, we use the following command: Mkdir-p $GOPATH/src/asset cd $GOPATH/src/asset Next, we create the source file Touch Asset.go 2.2 Introduction Package Each Chaincode implements the Chaincode interface Package main Import ( "FMT" "Github.com/

first of all thanks to the dark blue habitat, this tutorial is based on his tutorial [http://www.cnblogs.com/studyzy/p/7437157.html] collation, block chain technology developed quickly, in the great God's tutorial a little to add. In addition, there are also in the learning block chain students can contact me, we learn from each other. In the first contact with Hyperledger, very confused, do not know wher