github.com/lzy4123/fabric@v2.1.1+incompatible/internal/peer/channel/signconfigtx.go (about)

     1  /*
     2  Copyright IBM Corp. All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package channel
     8  
     9  import (
    10  	"io/ioutil"
    11  
    12  	"github.com/hyperledger/fabric/protoutil"
    13  	"github.com/spf13/cobra"
    14  )
    15  
    16  func signconfigtxCmd(cf *ChannelCmdFactory) *cobra.Command {
    17  	signconfigtxCmd := &cobra.Command{
    18  		Use:   "signconfigtx",
    19  		Short: "Signs a configtx update.",
    20  		Long:  "Signs the supplied configtx update file in place on the filesystem. Requires '-f'.",
    21  		RunE: func(cmd *cobra.Command, args []string) error {
    22  			return sign(cmd, args, cf)
    23  		},
    24  	}
    25  	flagList := []string{
    26  		"file",
    27  	}
    28  	attachFlags(signconfigtxCmd, flagList)
    29  
    30  	return signconfigtxCmd
    31  }
    32  
    33  func sign(cmd *cobra.Command, args []string, cf *ChannelCmdFactory) error {
    34  	if channelTxFile == "" {
    35  		return InvalidCreateTx("No configtx file name supplied")
    36  	}
    37  	// Parsing of the command line is done so silence cmd usage
    38  	cmd.SilenceUsage = true
    39  
    40  	var err error
    41  	if cf == nil {
    42  		cf, err = InitCmdFactory(EndorserNotRequired, PeerDeliverNotRequired, OrdererNotRequired)
    43  		if err != nil {
    44  			return err
    45  		}
    46  	}
    47  
    48  	fileData, err := ioutil.ReadFile(channelTxFile)
    49  	if err != nil {
    50  		return ConfigTxFileNotFound(err.Error())
    51  	}
    52  
    53  	ctxEnv, err := protoutil.UnmarshalEnvelope(fileData)
    54  	if err != nil {
    55  		return err
    56  	}
    57  
    58  	sCtxEnv, err := sanityCheckAndSignConfigTx(ctxEnv, cf.Signer)
    59  	if err != nil {
    60  		return err
    61  	}
    62  
    63  	sCtxEnvData := protoutil.MarshalOrPanic(sCtxEnv)
    64  
    65  	return ioutil.WriteFile(channelTxFile, sCtxEnvData, 0660)
    66  }