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开源软件介绍：

Spring Fabric Gateway

Provided Spring MVC services and spring boot starters based on fabric-gateway-java, more info can be found from https://ecsoya.github.io/fabric/(中文).

Dependencies

1. Build your fabric network with Hyperledger Fabric v2.3.0.

2. Optional, install the default common chaincode go or Java.

Springboot Starters

1. fabric-gateway-spring-boot-starter: A spring MVC boot starter.
2. fabric-explorer-spring-boot-starter: A simple fabric explorer starter.

How to use

Spring Boot Configure:

Firstly, add the following dependency to your project's pom.xml file:

<dependency>	<groupId>io.github.ecsoya</groupId>	<artifactId>fabric-gateway-spring-boot-starter</artifactId>	<version>${latest_version}</version></dependency>

or

<dependency>	<groupId>io.github.ecsoya</groupId>	<artifactId>fabric-explorer-spring-boot-starter</artifactId>	<version>${latest_version}</version></dependency>

Snapshots

<repositories>	<repository>		<id>ecsoya.io</id>		<url>https://repo.rdc.aliyun.com/repository/42210-snapshot-BITvCn/</url>	</repository></repositories>

step1

<repositories>	<repository>	    <id>jitpack.io</id>	    <url>https://jitpack.io</url>	</repository></repositories>

step2

<dependency>	<groupId>com.github.ecsoya.spring-fabric-gateway</groupId>	<artifactId>spring-fabric-gateway</artifactId>	<version>${latest_version}</version></dependency>

Secondly, configure fabric network in application.yml

# Fabric Network Configure      spring:            fabric:      chaincode:          identify: your chaincode id         name: Common chaincode         version: 1.0      channel: your channel name      organizations:      - org1      - org2      name: your fabric network name      gateway:         wallet:            identify: admin      network:         file: network/connection.yml //your fabric network config file.         name: fabric network name# Fabric explorer      explorer:          title: Fabric Explorer         logo: img/logo.png         copyright: Ecsoya ([email protected])         hyperledger-explorer-url: http://www.hyperleder.org

Finally, enjoy to use the following spring components:

1. FabricContext: wrapper class for fabric gateway.
2. IFabricInfoService: query fabric infos such as blocks, transaction and so on.
3. IFabricService: CRUD FabricObject if you install the default common Chaincode.

@Autowiredprivate FabricContext fabricContext;

Fabric Network Config File

The Fabric Network Config File is the core configuration file of fabric network, both FabricContext and Gateway are built with this kind of file. It holds details of network and channel configurations typically loaded from an external config file.

Please look at the org.hyperledger.fabric.sdk.NetworkConfig to get more details.

You can also look at my project Fabric Network Builder to learn how to create a fabric network config file.

Default common chaincode

The default common chaincode provided useful functions such as create, get, update, query. It used a CompositeKey with id and type to identify different objects, it also support pagination query.

The chaincode source can be found from here.

Fabric Explorer Starter

This will help you to build a simple fabric explorer with few codes.

References

1. Fabric开发手册
2. Hyperledger Fabric Gateway SDK for Java
3. Java SDK for Hyperledger Fabric