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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"os"
"testing"
"github.com/ethereum/go-ethereum/swarm/api"
"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
"github.com/ethereum/go-ethereum/swarm/testutil"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/swarm/storage/mru"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/log"
swarm "github.com/ethereum/go-ethereum/swarm/api/client"
swarmhttp "github.com/ethereum/go-ethereum/swarm/api/http"
)
func TestCLIResourceUpdate(t *testing.T) {
srv := testutil.NewTestSwarmServer(t, func(api *api.API) testutil.TestServer {
return swarmhttp.NewServer(api, "")
}, nil)
log.Info("starting 1 node cluster")
defer srv.Close()
// create a private key file for signing
pkfile, err := ioutil.TempFile("", "swarm-test")
if err != nil {
t.Fatal(err)
}
defer pkfile.Close()
defer os.Remove(pkfile.Name())
privkeyHex := "0000000000000000000000000000000000000000000000000000000000001979"
privKey, _ := crypto.HexToECDSA(privkeyHex)
address := crypto.PubkeyToAddress(privKey.PublicKey)
// save the private key to a file
_, err = io.WriteString(pkfile, privkeyHex)
if err != nil {
t.Fatal(err)
}
// compose a topic. We'll be doing quotes about Miguel de Cervantes
var topic mru.Topic
subject := []byte("Miguel de Cervantes")
copy(topic[:], subject[:])
name := "quotes"
// prepare some data for the update
data := []byte("En boca cerrada no entran moscas")
hexData := hexutil.Encode(data)
flags := []string{
"--bzzapi", srv.URL,
"--bzzaccount", pkfile.Name(),
"resource", "update",
"--topic", topic.Hex(),
"--name", name,
hexData}
// create an update and expect an exit without errors
log.Info(fmt.Sprintf("updating a resource with 'swarm resource update'"))
cmd := runSwarm(t, flags...)
cmd.ExpectExit()
// now try to get the update using the client
client := swarm.NewClient(srv.URL)
if err != nil {
t.Fatal(err)
}
// build the same topic as before, this time
// we use NewTopic to create a topic automatically.
topic, err = mru.NewTopic(name, subject)
if err != nil {
t.Fatal(err)
}
// View configures whose updates we will be looking up.
view := mru.View{
Topic: topic,
User: address,
}
// Build a query to get the latest update
query := mru.NewQueryLatest(&view, lookup.NoClue)
// retrieve content!
reader, err := client.GetResource(query, "")
if err != nil {
t.Fatal(err)
}
retrieved, err := ioutil.ReadAll(reader)
if err != nil {
t.Fatal(err)
}
// check we retrieved the sent information
if !bytes.Equal(data, retrieved) {
t.Fatalf("Received %s, expected %s", retrieved, data)
}
// Now retrieve info for the next update
flags = []string{
"--bzzapi", srv.URL,
"resource", "info",
"--topic", topic.Hex(),
"--user", address.Hex(),
}
log.Info(fmt.Sprintf("getting resource info with 'swarm resource info'"))
cmd = runSwarm(t, flags...)
_, matches := cmd.ExpectRegexp(`.*`) // regex hack to extract stdout
cmd.ExpectExit()
// verify we can deserialize the result as a valid JSON
var request mru.Request
err = json.Unmarshal([]byte(matches[0]), &request)
if err != nil {
t.Fatal(err)
}
// make sure the retrieved view is the same
if request.View != view {
t.Fatalf("Expected view to be: %s, got %s", view, request.View)
}
// test publishing a manifest
flags = []string{
"--bzzapi", srv.URL,
"--bzzaccount", pkfile.Name(),
"resource", "create",
"--topic", topic.Hex(),
}
log.Info(fmt.Sprintf("Publishing manifest with 'swarm resource create'"))
cmd = runSwarm(t, flags...)
_, matches = cmd.ExpectRegexp(`[a-f\d]{64}`) // regex hack to extract stdout
cmd.ExpectExit()
manifestAddress := matches[0] // read the received resource manifest
// now attempt to lookup the latest update using a manifest instead
reader, err = client.GetResource(nil, manifestAddress)
if err != nil {
t.Fatal(err)
}
retrieved, err = ioutil.ReadAll(reader)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(data, retrieved) {
t.Fatalf("Received %s, expected %s", retrieved, data)
}
}
|
