HyperledgerFabric如何实现基于ubuntu系统部署网络
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Hyperledger Composer 网络要素
Business Network Definition
在我们动手执行代码之前,先来了解一下Business Network Definition的概念。因为这个概念贯穿在这个网络系统中。BND为区块链定义了 数据模型, 交易逻辑 和 访问控制规则 。我们可以部署bna包到Fabric网络,为了生成bna,我们需要提前生成:
a set of model files
a set of JavaScript files
an Access Control file
所有的这些文件,都可以理解是对我们的网络的描述文件。网络根据我们的描述,来执行。
BusinessNetworkFiles
那我们就动手搭建,并且部署一个网络。 下面的代码执行于ubuntu系统。
1
Setp 1 创建一个business network应用
(1)从命令行,创建一个新的dir,并且cd到该dir
amy@amy-wu:~/pg/sandbox/bnd$ yo hyperledger-composer:businessnetwork Welcome to the business network generator ? Business network name: tutorial-network ? Description: Here is a hello world example ? Author name: Amy Wu ? Author email: AmyWu@123abc.com ? License: Apache-2.0 ? Namespace: org.example.biznet ? Do you want to generate an empty template network ? No: generate a populated sample network create package.json create README.md create models/org.example.biznet.cto create permissions.acl create .eslintrc.yml create features/sample.feature create features/support/index.js create test/logic.js create lib/logic.js amy@amy-wu:~/pg/sandbox/bnd$
(2)查看刚刚的指令为了创建的文件
amy@amy-wu:~/pg/sandbox/bnd$ tree . └── tutorial-network ├── features │ ├── sample.feature │ └── support │ └── index.js ├── lib │ └── logic.js ├── models │ └── org.example.biznet.cto ├── package.json ├── permissions.acl ├── README.md └── test └── logic.js 6 directories, 8 files amy@amy-wu:~/pg/sandbox/bnd$
2
Setp 2** 查看 org.example.biznet.cto 和 permission.acl**
org.example.biznet.cto 定义了网络里面的参与方,资产等信息
permission.acl 定义了访问权限
3
Setp 3 打包生成bna包
(1)cd到 /tutorial-network 目录下
需要提前安装composer环境
升级Fabric Composer版本
错误提示
Cannot use v0.16.6 version of composer with fabric 1.1, v0.19 or higher is required
确认版本
composer -vv0.19.10
卸载现有版本
npm uninstall -g composer-cli npm uninstall -g composer-rest-server npm uninstall -g generator-hyperledger-composer
重新安装最新版本版本
npm install -g composer-cli npm install -g composer-rest-server npm install -g generator-hyperledger-composer amy@amy-wu:~/pg/sandbox/bnd/tutorial-network$ composer archive create -t dir -n . Creating Business Network Archive Looking for package.json of Business Network Definition Input directory: /home/amy/pg/sandbox/bnd/tutorial-network Found: Description: Here is a hello world example Name: tutorial-network Identifier: tutorial-network@0.0.1 Written Business Network Definition Archive file to Output file: tutorial-network@0.0.1.bna Command succeeded
(2)查看生成的bna文件
amy@amy-wu:~/pg/sandbox/bnd$ tree. └── tutorial-network ├── features │ ├── sample.feature │ └── support │ └── index.js ├── lib │ └── logic.js ├── models │ └── org.example.biznet.cto ├── package.json ├── permissions.acl ├── README.md ├── test │ └── logic.js └── tutorial-network@0.0.1.bna 新生成的文件 6 directories, 9 files
4
Setp 4 部署business network
在做部署之前,先要启动一个Fabric网络。
(1)下载fabric-dev-servers.zip
mkdir fabric-dev-servers && cd fabric-dev-servers curl -O https://raw.githubusercontent.com/hyperledger/composer-tools/master/packages/fabric-dev-servers/fabric-dev-servers.zip unzip fabric-dev-servers.zip
(2)第一次启动Fabric网络的时候
cd fabric-dev-servers ./downloadFabric.sh ./startFabric.sh ./createPeerAdminCard.sh
(3)结束的时候
./stopFabric.sh ./teardownFabric.sh
(4)初始化网路
amy@amy-wu:~/pg/sandbox/bnd/tutorial-network$ composer network install --card PeerAdmin@hlfv1 --archiveFile tutorial-network@0.0.1.bna ✔ Installing business network. This may take a minute...Successfully installed business network tutorial-network, version 0.0.1 Command succeeded amy@amy-wu:~/pg/sandbox/bnd/tutorial-network$
(5)查看docker containers
docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 27b30f42cc5e hyperledger/fabric-peer:x86_64-1.1.0 "peer node start" 5 minutes ago Up 5 minutes 0.0.0.0:7051->7051/tcp, 0.0.0.0:7053->7053/tcp peer0.org1.example.com 2f62650005f4 hyperledger/fabric-orderer:x86_64-1.1.0 "orderer" 5 minutes ago Up 5 minutes 0.0.0.0:7050->7050/tcp orderer.example.com96ec8b462e0e hyperledger/fabric-couchdb:x86_64-0.4.6 "tini -- /docker-ent…" 5 minutes ago Up 5 minutes 4369/tcp, 9100/tcp, 0.0.0.0:5984->5984/tcp couchdb ecd55c74cb76 hyperledger/fabric-ca:x86_64-1.1.0 "sh -c 'fabric-ca-se…" 5 minutes ago Up 5 minutes 0.0.0.0:7054->7054/tcp ca.org1.example.com
(6)启动网络
amy@amy-wu:~/pg/sandbox/bnd/tutorial-network$ composer network start --networkName tutorial-network --networkVersion 0.0.1 --networkAdmin admin --networkAdminEnrollSecret adminpw --card PeerAdmin@hlfv1 --file networkadmin.card Starting business network tutorial-network at version 0.0.1 Processing these Network Admins: userName: admin ✔ Starting business network definition. This may take a minute... Successfully created business network card: Filename: networkadmin.card Command succeeded
(7)导入网络管理员身份
amy@amy-wu:~/pg/sandbox/bnd/tutorial-network$ composer card import --file networkadmin.card Successfully imported business network card Card file: networkadmin.card Card name: admin@tutorial-network Command succeeded
(8)测试
amy@amy-wu:~/pg/sandbox/bnd/tutorial-network$ composer network ping --card admin@tutorial-network The connection to the network was successfully tested: tutorial-network Business network version: 0.0.1 Composer runtime version: 0.19.10 participant: org.hyperledger.composer.system.NetworkAdmin#admin identity: org.hyperledger.composer.system.Identity#d9e43201ca1bcc328e0e81ceaf96caf4f113019f41d26d292699151a50d0a3ac Command succeeded
5
Setp 5 生成REST server
amy@amy-wu:~$ composer-rest-server ? Enter the name of the business network card to use: admin@tutorial-network ? Specify if you want namespaces in the generated REST API: never use namespaces ? Specify if you want to use an API key to secure the REST API: No ? Specify if you want to enable authentication for the REST API using Passport: Yes ? Specify if you want to enable multiple user and identity management using wallets: No ? Specify if you want to enable event publication over WebSockets: Yes ? Specify if you want to enable TLS security for the REST API: No To restart the REST server using the same options, issue the following command: composer-rest-server -c admin@tutorial-network -n never -a true -w true Discovering types from business network definition ... Discovered types from business network definition Generating schemas for all types in business network definition ... Generated schemas for all types in business network definition Adding schemas for all types to Loopback ... Added schemas for all types to Loopback Web server listening at: http://localhost:3000 Browse your REST API at http://localhost:3000/explorer
查看API:http://localhost:3000/explorer
6
Setp 6 生成应用
amy@amy-wu:~/pg/sandbox/bnd/tutorial-network$ yo hyperledger-composer:angular Welcome to the Hyperledger Composer Angular project generator ? Do you want to connect to a running Business Network? Yes ? Project name: angular-app ? Description: Hyperledger Composer Angular project ? Author name: Amy WU ? Author email: 123@gmail.com ? License: Apache-2.0? Name of the Business Network card: admin@tutorial-network ? Do you want to generate a new REST API or connect to an existing REST API ? Connect to an existing REST API ? REST server address: http://localhost ? REST server port: 3000? Should namespaces be used in the generated REST API? Namespaces are not used Created application! Completed generation process create app.js Binary found at /home/amy/pg/sandbox/bnd/tutorial-network/angular-app/node_modules/node-sass/vendor/linux-x64-59/binding.node Testing binary Binary is fine npm notice created a lockfile as package-lock.json. You should commit this file. npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules/fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"}) added 1162 packages in 145.973s Application generated
(1)启动应用
amy@amy-wu:~/pg/sandbox/bnd/tutorial-network/angular-app$ npm start > angular-app@0.0.1 start /home/amy/pg/sandbox/bnd/tutorial-network/angular-app > ng serve --proxy-config proxy.conf.js --host 0.0.0.0 ** NG Live Development Server is running on http://0.0.0.0:4200 ** 10% building modules 4/4 modules 0 active[HPM] Proxy created: [ '/auth', '/api' ] -> http://localhost:3000 [HPM] Proxy created: / -> http://localhost:3000 Hash: a0d3dc89fcbecd8aa802 Time: 12249ms chunk {0} polyfills.bundle.js, polyfills.bundle.js.map (polyfills) 270 kB {5} [initial] [rendered] chunk {1} main.bundle.js, main.bundle.js.map (main) 101 kB {4} [initial] [rendered] chunk {2} styles.bundle.js, styles.bundle.js.map (styles) 184 kB {5} [initial] [rendered] chunk {3} scripts.bundle.js, scripts.bundle.js.map (scripts) 439 kB {5} [initial] [rendered] chunk {4} vendor.bundle.js, vendor.bundle.js.map (vendor) 4.12 MB [initial] [rendered] chunk {5} inline.bundle.js, inline.bundle.js.map (inline) 0 bytes [entry] [rendered] webpack: Compiled successfully.
(2)查看应用
http://0.0.0.0:4200
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