pkg/client/resmgmt resmgmt包

一. pkg/client/resmgmt 包resmgmt支持在Fabric网络上创建和更新资源。 它允许管理员创建和/或更新通道，并允许管理员加入通道。 管理员还可以在对等方上执行与链代码相关的操作，例如安装，实例化和升级链代码.

1. 基本流程:

   1）准备客户端上下文
   2）创建资源管理客户端
   3）创建新频道
   4）Peer（s）加入频道
   5）将链代码安装到peer（s）文件系统
   6）在通道上实例化链码
   7）查询peer通道，已安装/实例化的链代码等。

    1 // Create new resource management client
    2 c, err := New(mockClientProvider())
    3 if err != nil {
    4     fmt.Println("failed to create client")
    5 }
    6 
    7 // Read channel configuration
    8 r, err := os.Open(channelConfig)
    9 if err != nil {
   10     fmt.Printf("failed to open channel config: %s\n", err)
   11 }
   12 defer r.Close()
   13 
   14 // Create new channel 'mychannel'
   15 _, err = c.SaveChannel(SaveChannelRequest{ChannelID: "mychannel", ChannelConfig: r})
   16 if err != nil {
   17     fmt.Printf("failed to save channel: %s\n", err)
   18 }
   19 
   20 peer := mockPeer()
   21 
   22 // Peer joins channel 'mychannel'
   23 err = c.JoinChannel("mychannel", WithTargets(peer))
   24 if err != nil {
   25     fmt.Printf("failed to join channel: %s\n", err)
   26 }
   27 
   28 // Install example chaincode to peer
   29 installReq := InstallCCRequest{Name: "ExampleCC", Version: "v0", Path: "path", Package: &resource.CCPackage{Type: 1, Code: []byte("bytes")}}
   30 _, err = c.InstallCC(installReq, WithTargets(peer))
   31 if err != nil {
   32     fmt.Printf("failed to install chaincode: %s\n", err)
   33 }
   34 
   35 // Instantiate example chaincode on channel 'mychannel'
   36 ccPolicy := cauthdsl.SignedByMspMember("Org1MSP")
   37 instantiateReq := InstantiateCCRequest{Name: "ExampleCC", Version: "v0", Path: "path", Policy: ccPolicy}
   38 _, err = c.InstantiateCC("mychannel", instantiateReq, WithTargets(peer))
   39 if err != nil {
   40     fmt.Printf("failed to install chaincode: %s\n", err)
   41 }
   42 
   43 fmt.Println("Network setup completed")

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