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
|
/*
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/>.
*/
/**
* @authors
* Jeffrey Wilcke <i@jev.io>
*/
package main
import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/ui/qt"
"github.com/ethereum/go-ethereum/xeth"
"github.com/obscuren/qml"
)
type AppContainer interface {
Create() error
Destroy()
Window() *qml.Window
Engine() *qml.Engine
NewBlock(*types.Block)
NewWatcher(chan bool)
Messages(state.Messages, string)
Post(string, int)
}
type ExtApplication struct {
*xeth.JSXEth
eth core.EthManager
events event.Subscription
watcherQuitChan chan bool
filters map[string]*core.Filter
container AppContainer
lib *UiLib
}
func NewExtApplication(container AppContainer, lib *UiLib) *ExtApplication {
return &ExtApplication{
JSXEth: xeth.NewJSXEth(lib.eth),
eth: lib.eth,
watcherQuitChan: make(chan bool),
filters: make(map[string]*core.Filter),
container: container,
lib: lib,
}
}
func (app *ExtApplication) run() {
// Set the "eth" api on to the containers context
context := app.container.Engine().Context()
context.SetVar("eth", app)
context.SetVar("ui", app.lib)
err := app.container.Create()
if err != nil {
guilogger.Errorln(err)
return
}
// Subscribe to events
mux := app.lib.eth.EventMux()
app.events = mux.Subscribe(core.NewBlockEvent{}, state.Messages(nil))
// Call the main loop
go app.mainLoop()
app.container.NewWatcher(app.watcherQuitChan)
win := app.container.Window()
win.Show()
win.Wait()
app.stop()
}
func (app *ExtApplication) stop() {
app.events.Unsubscribe()
// Kill the main loop
app.watcherQuitChan <- true
app.container.Destroy()
}
func (app *ExtApplication) mainLoop() {
for ev := range app.events.Chan() {
switch ev := ev.(type) {
case core.NewBlockEvent:
app.container.NewBlock(ev.Block)
/* TODO remove
case state.Messages:
for id, filter := range app.filters {
msgs := filter.FilterMessages(ev)
if len(msgs) > 0 {
app.container.Messages(msgs, id)
}
}
*/
}
}
}
func (self *ExtApplication) Watch(filterOptions map[string]interface{}, identifier string) {
self.filters[identifier] = qt.NewFilterFromMap(filterOptions, self.eth)
}
func (self *ExtApplication) GetMessages(object map[string]interface{}) string {
/* TODO remove me
filter := qt.NewFilterFromMap(object, self.eth)
messages := filter.Find()
var msgs []javascript.JSMessage
for _, m := range messages {
msgs = append(msgs, javascript.NewJSMessage(m))
}
b, err := json.Marshal(msgs)
if err != nil {
return "{\"error\":" + err.Error() + "}"
}
return string(b)
*/
return ""
}
|
