hyperledger fabric tutorial

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Block chain Hyperledger (Super Ledger) Fabric v1.0 Environment (Ultra detailed tutorial)

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 Fabric Chaincode Tutorial II

# Deploy and instantiate your own chaincode to fabric: # # First write the chaincode copy to the CLI. ``` Command reference: Docker CP [OPTIONS] src_path|-Container:dest_path Docker Cp/chaincode/bdata/3a113b6c0ecf:/opt/gopath/src/github.com/hyperledger/fabric/examples/chaincode/go ``` # # Installation Bdatas = = = ``` Peer Chaincode install-n bdata-v1.0-p git

Hyperledger Fabric (iii)-Fabric-sdk-java

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 Fabric-sdk-java I

"Recommended" HyperLedger fabric environment construction, testing and precautions [detailed instructions] [pro-Test effective]

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:// Install node. js sudo Install -y Nodejs    Check

Super Ledger Hyperledger-fabric local compilation and installation (from blockchain-principle, design and application) __ Blockchain

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 implementation, and local compilation is recommended t

Hyperledger Fabric V1.0 Learning Three---from a developer's point of view chain code __GO

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 is what Chaincode is a program written with go, which eventually

Build the Hyperledger Fabric 1.2.0 environment on Ubuntu 18.04

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

Hyperledger Fabric 1.0 Actual Combat Development Series The third lesson Chaincode development

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/hyperledger/fabric/cor

004 Hyperledger Fabric System Environment construction

The environment required to build the fabric under the ubantu environment.Configure Ubantu virtual machine under Mac, tutorial can refer to above.When the Ubantu system is ready, start the environment setup. Environment construction Quick Start: http://hyperledger-fabric.readthedocs.io/en/release-1.1/getting_started.html Premise Install Git $ sudo apt update$ sud

Hyperledger Fabric Deployment v1.0.0 Network

Take a look at the samples two department network three automation scripts have done what to boot block chain network execution Scriptsscriptsh scripts four themselves perform Channelchaincode related operations start the network into the CLI container create channel add to channel install C Haincode initialization chaincode Chaincode Query method Chaincode Invoke method Chaincode other methods A. Download Samples Note: build the basic environment first, then follow the steps below. git clone ht

Hyperledger fabric on SAP Cloud Platform

Today's article is from Wen Aviva, who is a face-to-face programmer of Jerry. Jerry has introduced Aviva in his previous article titled "displaying the 3D model view of product master data with pure Javascript in sap ui, other colleagues in the SAP Chengdu c4c development team commented that:"Beauty and wisdom embodiment","Queen of the cloud age","Is the Guide to cutting-edge technologies". Because Jerry and Aviva are in a group, my opinion is that these reviews are all named. For example, Jerry

Hyperledger Fabric 1.0 Mirrored download

1. Way One Direct download to the Docker hub: https://hub.docker.com/r/hyperledger/ Docker Pull hyperledger/fabric-peer:x86_64-1.0.1Docker Pull hyperledger/fabric-orderer:x86_64-1.0.1Docker Pull hyperledger/

ubuntu16.04 under Hyperledger to build fabric environment simple operation (five-step start e2e_cli)

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/

Ubuntu16.04 Build Hyperledger Fabric 1.0.5 development environment

: $PATH Exit Edit and enter the following command to make the changes effective: Source/etc/profile Enter the following command to see if the installation was successful: Go version If it appears: Go version go1.9.2 LINUX/AMD64 indicates a successful configuration. As for Gopath, this is the directory where the Go program runs, that is, all the go programs you write are placed in this directory. Based on the above configuration, we create a new Gopath folder in the ~ directory and then create

Hyperledger Fabric CouchDB as the state database--use CouchDB

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 fabric to set C

Installing Hyperledger Fabric v1.1 on Ubuntu 16.04?—? Part I

There is a entire library of Blockchain APIs which you can select according to the needs that suffice your application. Some Libraries is open-sourced and Some are private. For examples, IBM ' s Hyperledger Fabric Project, Ethereum, Openchain, Multichain is few of the open sourced models which a Re popular in the industry today.This tutorial aims to help you get

Images required to recompile the Docker development environment after Hyperledger fabric new user

Images required to recompile the Docker development environment after Hyperledger/fabric new user Author: Chen Zhao Lin email:chenlin2@ms9.hinet.net Hyperledger does not belong to the public Chain, such as Bitcoin, he is a private chain that requires user review and authentication to join a blockchain transaction, which uses a CA (Certificate authority) for pub

Hyperledger fabric Enable COUCHDB for the state database

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 components and resources in the

Hyperledger Fabric Client SDK for Go

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/fabric-sdk

Hyperledger Fabric FABRIC-JAVA-SDK test Environment integration

Copyright Notice: Blog Article copyright owners all, without authorization, prohibit reprint, reprint please specify the source installation Environment installation JDK Download URL: http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html Download jdk-8u151-macosx-x64.dmg install to PC install maven Download URL: https://maven.apache.org/download.cgi Extract to/users/fujinliang/documents/environment Open terminal , modify. BASHRC VI ~/.BASHRC Add the following code

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