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Hyperledger fabric Fabric sdk如何使用msp CAclient创建客户端上下文_Hyperledger Fabric_Hyperledger - Fatal编程技术网

Hyperledger fabric Fabric sdk如何使用msp CAclient创建客户端上下文

Hyperledger fabric Fabric sdk如何使用msp CAclient创建客户端上下文,hyperledger-fabric,hyperledger,Hyperledger Fabric,Hyperledger,我正在尝试通过在上导入来使用hyperledger go sdk 模块的设计 https://godoc.org/github.com/hyperledger/fabric-sdk-go/pkg/client/msp 我想使用hyperledger fabric go sdk创建CA客户端实例,我需要导入哪个模块以及如何导入,有人可以建议吗 我正在使用below cmd生成结构服务器CA客户端配置文件 ./bin/fabric-ca-client enroll admin:adminpws lo

我正在尝试通过在上导入来使用hyperledger go sdk 模块的设计

https://godoc.org/github.com/hyperledger/fabric-sdk-go/pkg/client/msp

我想使用hyperledger fabric go sdk创建CA客户端实例,我需要导入哪个模块以及如何导入,有人可以建议吗

我正在使用below cmd生成结构服务器CA客户端配置文件

./bin/fabric-ca-client enroll admin:adminpws localhost:7054
下面是使用上述cmd生成的fabric-ca-client.yaml文件创建fabric sdk上下文的代码。如果我做错了什么,请告诉我

package main

import (
"fmt"
"net"
"os"
"path/filepath"
"strings"

clientmsp "github.com/hyperledger/fabric-sdk-go/pkg/client/msp"
"github.com/hyperledger/fabric-sdk-go/pkg/common/providers/core"
mspid "github.com/hyperledger/fabric-sdk-go/pkg/common/providers/msp"
"github.com/hyperledger/fabric-sdk-go/pkg/core/config"
"github.com/hyperledger/fabric-sdk-go/pkg/core/cryptosuite"
"github.com/hyperledger/fabric-sdk-go/pkg/fabsdk"
"github.com/hyperledger/fabric-sdk-go/pkg/msp"
"github.com/hyperledger/fabric-sdk-go/pkg/msp/test/mockmsp"
 )

var (DefaultHome = os.ExpandEnv("$PWD/CONFIG"))
var caServerURL string
var caServer = &mockmsp.MockFabricCAServer{}
const (
caServerURLListen = "http://localhost:7054"
configFile        = "fabric-ca-server-config.yaml"
)

type nwConfig struct {
CertificateAuthorities map[string]msp.CAConfig
 }

type clientFixture struct {
cryptoSuiteConfig core.CryptoSuiteConfig
identityConfig    mspid.IdentityConfig
}

func main() {

// Initiate the sdk using the config file
client := clientFixture{}
sdk := client.setup()
//create the CA instance
c, err := clientmsp.New(sdk.Context())
if err != nil {
    fmt.Println("failed to create msp client", err)
    return
}
fmt.Println("New client instance created", c)
}

func (f *clientFixture) setup() *fabsdk.FabricSDK {
var lis net.Listener
var err error
if !caServer.Running() {
    lis, err = net.Listen("tcp", strings.TrimPrefix(caServerURLListen, 
  "http://"))
    if err != nil {
        panic(fmt.Sprintf("Error starting CA Server %s", err))
    }

    caServerURL = "http://" + lis.Addr().String()
}

configPath := filepath.Join(DefaultHome, configFile)
backend, err := config.FromFile(configPath)()
if err != nil {
    fmt.Println(err)
}
configProvider := func() ([]core.ConfigBackend, error) {
    return backend, nil
}

// Instantiate the SDK
sdk, err := fabsdk.New(configProvider)
if err != nil {
    fmt.Println(err)
}

configBackend, err := sdk.Config()
if err != nil {
    panic(fmt.Sprintf("Failed to get config: %s", err))
}

f.cryptoSuiteConfig = cryptosuite.ConfigFromBackend(configBackend)
f.identityConfig, _ = msp.ConfigFromBackend(configBackend)
if err != nil {
    fmt.Println(err)
}
ctxProvider := sdk.Context()
ctx, err := ctxProvider()
if err != nil {
    fmt.Println(err)
}

// Start Http Server if it's not running
if !caServer.Running() {
    caServer.Start(lis, ctx.CryptoSuite())
}
return sdk
}
导入mspclient

mspclient "github.com/hyperledger/fabric-sdk-go/pkg/client/msp"
          "github.com/hyperledger/fabric-sdk-go/pkg/fabsdk"

    mspClient, err := mspclient.New(
        *fabsdk.FabricSDK.Context(),
        mspclient.WithOrg(OrgName),
    )
    if err != nil {
        return mspClient, errors.WithMessage(err, "failed to create MSP client")
    }
之后,您可以使用以下服务

    err = mspClient.Enroll("Admin@org1",
        msp.WithSecret("Admin@org1"),
        msp.WithProfile("tls"),
    )
    if err != nil {
        return errors.WithMessage(err, "failed to register identity")
    }

感谢您的重播,*fabsdk.FabricSDK.Context(),这是客户端提供程序的权利,要创建客户端提供程序,我们需要使用fabric-ca-client-config.yaml来创建FabricSDK.Context()。我是对的还是需要使用不同的配置文件。请注意,我在这里感到困惑。我已经更新了答案fabsdk,您需要导入该包谢谢,在启动mspclient.New(*fabsdk.FabricSDK.Context(),mspclient.WithOrg(OrgName)))之前,我需要加载任何配置文件吗?您好@fama我感谢您对hyperledger结构的兴趣以及您的辛勤工作,真的令人印象深刻。查看本教程了解gosdk谢谢@narendranth,我检查chainhero演示,在演示中,加密配置已经生成,他们使用config.yaml文件生成configtx。但是我想要的是连接Fabric sdk和farbic CA,并使用Fabric sdk api注册和注册管理员、用户创建密钥对。我在这里看到,ca服务器生成的结构ca服务器配置文件与每个人用于演示的示例crypto-config.yaml文件和configtx.yaml文件不同。我一直在使用正确的配置文件创建fabric sdk上下文以连接fabric CA。