forked from cgorenflo/fabric
-
Notifications
You must be signed in to change notification settings - Fork 0
/
list.go
117 lines (96 loc) · 3.37 KB
/
list.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
/*
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 (
"context"
"errors"
"fmt"
"github.com/golang/protobuf/proto"
"github.com/hyperledger/fabric/core/scc/cscc"
common2 "github.com/hyperledger/fabric/protos/common"
pb "github.com/hyperledger/fabric/protos/peer"
"github.com/hyperledger/fabric/protos/utils"
"github.com/spf13/cobra"
)
type endorserClient struct {
cf *ChannelCmdFactory
}
func listCmd(cf *ChannelCmdFactory) *cobra.Command {
// Set the flags on the channel start command.
return &cobra.Command{
Use: "list",
Short: "List of channels peer has joined.",
Long: "List of channels peer has joined.",
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) != 0 {
return fmt.Errorf("trailing args detected: %s", args)
}
// Parsing of the command line is done so silence cmd usage
cmd.SilenceUsage = true
return list(cf)
},
}
}
func (cc *endorserClient) getChannels() ([]*pb.ChannelInfo, error) {
var err error
invocation := &pb.ChaincodeInvocationSpec{
ChaincodeSpec: &pb.ChaincodeSpec{
Type: pb.ChaincodeSpec_Type(pb.ChaincodeSpec_Type_value["GOLANG"]),
ChaincodeId: &pb.ChaincodeID{Name: "cscc"},
Input: &pb.ChaincodeInput{Args: [][]byte{[]byte(cscc.GetChannels)}},
},
}
var prop *pb.Proposal
c, _ := cc.cf.Signer.Serialize()
prop, _, err = utils.CreateProposalFromCIS(common2.HeaderType_ENDORSER_TRANSACTION, "", invocation, c)
if err != nil {
return nil, errors.New(fmt.Sprintf("Cannot create proposal, due to %s", err))
}
var signedProp *pb.SignedProposal
signedProp, err = utils.GetSignedProposal(prop, cc.cf.Signer)
if err != nil {
return nil, errors.New(fmt.Sprintf("Cannot create signed proposal, due to %s", err))
}
proposalResp, err := cc.cf.EndorserClient.ProcessProposal(context.Background(), signedProp)
if err != nil {
return nil, errors.New(fmt.Sprintf("Failed sending proposal, got %s", err))
}
if proposalResp.Response == nil || proposalResp.Response.Status != 200 {
return nil, errors.New(fmt.Sprintf("Received bad response, status %d: %s", proposalResp.Response.Status, proposalResp.Response.Message))
}
var channelQueryResponse pb.ChannelQueryResponse
err = proto.Unmarshal(proposalResp.Response.Payload, &channelQueryResponse)
if err != nil {
return nil, errors.New(fmt.Sprintf("Cannot read channels list response, %s", err))
}
return channelQueryResponse.Channels, nil
}
func list(cf *ChannelCmdFactory) error {
var err error
if cf == nil {
cf, err = InitCmdFactory(EndorserRequired, PeerDeliverNotRequired, OrdererNotRequired)
if err != nil {
return err
}
}
client := &endorserClient{cf}
if channels, err := client.getChannels(); err != nil {
return err
} else {
fmt.Println("Channels peers has joined: ")
for _, channel := range channels {
fmt.Printf("%s\n", channel.ChannelId)
}
}
return nil
}