Example #1
0
//initialize peer and start up. If security==enabled, login as vp
func initPeer(chainID string) (net.Listener, error) {
	//start clean
	finitPeer(nil)
	var opts []grpc.ServerOption
	if viper.GetBool("peer.tls.enabled") {
		creds, err := credentials.NewServerTLSFromFile(viper.GetString("peer.tls.cert.file"), viper.GetString("peer.tls.key.file"))
		if err != nil {
			return nil, fmt.Errorf("Failed to generate credentials %v", err)
		}
		opts = []grpc.ServerOption{grpc.Creds(creds)}
	}
	grpcServer := grpc.NewServer(opts...)

	viper.Set("peer.fileSystemPath", filepath.Join(os.TempDir(), "hyperledger", "production"))

	peerAddress, err := peer.GetLocalAddress()
	if err != nil {
		return nil, fmt.Errorf("Error obtaining peer address: %s", err)
	}
	lis, err := net.Listen("tcp", peerAddress)
	if err != nil {
		return nil, fmt.Errorf("Error starting peer listener %s", err)
	}

	//initialize ledger
	peer.MockInitialize()

	getPeerEndpoint := func() (*pb.PeerEndpoint, error) {
		return &pb.PeerEndpoint{ID: &pb.PeerID{Name: "testpeer"}, Address: peerAddress}, nil
	}

	// Install security object for peer
	if viper.GetBool("security.enabled") {
		//TODO:  integrate new crypto / idp
		securityLevel := viper.GetInt("security.level")
		hashAlgorithm := viper.GetString("security.hashAlgorithm")
		primitives.SetSecurityLevel(hashAlgorithm, securityLevel)
	} else {
		// the primitives need to be instantiated no matter what. Otherwise
		// the escc code won't have a hash algorithm available to hash the proposal
		primitives.SetSecurityLevel("SHA2", 256)
	}

	ccStartupTimeout := time.Duration(30000) * time.Millisecond
	pb.RegisterChaincodeSupportServer(grpcServer, chaincode.NewChaincodeSupport(getPeerEndpoint, false, ccStartupTimeout))

	chaincode.RegisterSysCCs()

	if err = peer.MockCreateChain(chainID); err != nil {
		closeListenerAndSleep(lis)
		return nil, err
	}

	chaincode.DeploySysCCs(chainID)

	go grpcServer.Serve(lis)

	return lis, nil
}
Example #2
0
//NOTE - when we implment JOIN we will no longer pass the chainID as param
//The chaincode support will come up without registering system chaincodes
//which will be registered only during join phase.
func registerChaincodeSupport(grpcServer *grpc.Server) {
	//get user mode
	userRunsCC := false
	if viper.GetString("chaincode.mode") == chaincode.DevModeUserRunsChaincode {
		userRunsCC = true
	}

	//get chaincode startup timeout
	tOut, err := strconv.Atoi(viper.GetString("chaincode.startuptimeout"))
	if err != nil { //what went wrong ?
		fmt.Printf("could not retrive timeout var...setting to 5secs\n")
		tOut = 5000
	}
	ccStartupTimeout := time.Duration(tOut) * time.Millisecond

	ccSrv := chaincode.NewChaincodeSupport(peer.GetPeerEndpoint, userRunsCC, ccStartupTimeout)

	//Now that chaincode is initialized, register all system chaincodes.
	chaincode.RegisterSysCCs()

	pb.RegisterChaincodeSupportServer(grpcServer, ccSrv)
}