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update.go
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update.go
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/*
Copyright IBM Corp. 2017 All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package channel
import (
"fmt"
"io/ioutil"
"errors"
"github.com/hyperledger/fabric/peer/common"
"github.com/hyperledger/fabric/protos/utils"
"github.com/spf13/cobra"
)
func updateCmd(cf *ChannelCmdFactory) *cobra.Command {
updateCmd := &cobra.Command{
Use: "update",
Short: "Send a configtx update.",
Long: "Signs and sends the supplied configtx update file to the channel. Requires '-f', '-o', '-c'.",
RunE: func(cmd *cobra.Command, args []string) error {
return update(cmd, args, cf)
},
}
flagList := []string{
"channelID",
"file",
}
attachFlags(updateCmd, flagList)
return updateCmd
}
func update(cmd *cobra.Command, args []string, cf *ChannelCmdFactory) error {
//the global chainID filled by the "-c" command
if channelID == common.UndefinedParamValue {
return errors.New("Must supply channel ID")
}
if channelTxFile == "" {
return InvalidCreateTx("No configtx file name supplied")
}
// Parsing of the command line is done so silence cmd usage
cmd.SilenceUsage = true
var err error
if cf == nil {
cf, err = InitCmdFactory(EndorserNotRequired, PeerDeliverNotRequired, OrdererRequired)
if err != nil {
return err
}
}
fileData, err := ioutil.ReadFile(channelTxFile)
if err != nil {
return ConfigTxFileNotFound(err.Error())
}
ctxEnv, err := utils.UnmarshalEnvelope(fileData)
if err != nil {
return err
}
sCtxEnv, err := sanityCheckAndSignConfigTx(ctxEnv)
if err != nil {
return err
}
var broadcastClient common.BroadcastClient
broadcastClient, err = cf.BroadcastFactory()
if err != nil {
return fmt.Errorf("Error getting broadcast client: %s", err)
}
defer broadcastClient.Close()
err = broadcastClient.Send(sCtxEnv)
if err != nil {
return err
}
logger.Info("Successfully submitted channel update")
return nil
}