/
fetchconfig.go
65 lines (52 loc) · 1.47 KB
/
fetchconfig.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 (
"io/ioutil"
"github.com/golang/protobuf/proto"
cb "github.com/hyperledger/fabric/protos/common"
"github.com/spf13/cobra"
)
func fetchCmd(cf *ChannelCmdFactory) *cobra.Command {
createCmd := &cobra.Command{
Use: "fetch",
Short: "Fetch configuration block.",
Long: `Fetch configuration block.`,
RunE: func(cmd *cobra.Command, args []string) error {
return fetch(cmd, args, cf)
},
}
return createCmd
}
func fetch(cmd *cobra.Command, args []string, cf *ChannelCmdFactory) error {
var err error
if cf == nil {
cf, err = InitCmdFactory(false)
if err != nil {
return err
}
}
var block *cb.Block
if block, err = cf.DeliverClient.getBlock(); err != nil {
return err
}
b, err := proto.Marshal(block)
if err != nil {
return err
}
file := chainID + ".block"
if err = ioutil.WriteFile(file, b, 0644); err != nil {
return err
}
return nil
}