aboutsummaryrefslogtreecommitdiffstats
path: root/cmd/mist/gui.go
blob: 9efec65276c77b12c4bc77bd9d953b5f4be9fee5 (plain) (blame)
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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
// Copyright (c) 2013-2014, Jeffrey Wilcke. All rights reserved.
//
// This library 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 2.1 of the License, or (at your option) any later version.
//
// This library 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 this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
// MA 02110-1301  USA

package main

import "C"

import (
    "bytes"
    "encoding/json"
    "fmt"
    "math/big"
    "path"
    "runtime"
    "strconv"
    "strings"
    "time"

    "github.com/ethereum/go-ethereum/core"
    "github.com/ethereum/go-ethereum/core/types"
    "github.com/ethereum/go-ethereum/eth"
    "github.com/ethereum/go-ethereum/ethdb"
    "github.com/ethereum/go-ethereum/ethutil"
    "github.com/ethereum/go-ethereum/logger"
    "github.com/ethereum/go-ethereum/miner"
    "github.com/ethereum/go-ethereum/p2p"
    "github.com/ethereum/go-ethereum/ui/qt/qwhisper"
    "github.com/ethereum/go-ethereum/xeth"
    "gopkg.in/qml.v1"
)

var guilogger = logger.NewLogger("GUI")

type Gui struct {
    // The main application window
    win *qml.Window
    // QML Engine
    engine    *qml.Engine
    component *qml.Common
    qmlDone   bool
    // The ethereum interface
    eth *eth.Ethereum

    // The public Ethereum library
    uiLib   *UiLib
    whisper *qwhisper.Whisper

    txDb *ethdb.LDBDatabase

    logLevel logger.LogLevel
    open     bool

    pipe *xeth.JSXEth

    Session        string
    clientIdentity *p2p.SimpleClientIdentity
    config         *ethutil.ConfigManager

    plugins map[string]plugin

    miner *miner.Miner
}

// Create GUI, but doesn't start it
func NewWindow(ethereum *eth.Ethereum, config *ethutil.ConfigManager, clientIdentity *p2p.SimpleClientIdentity, session string, logLevel int) *Gui {
    db, err := ethdb.NewLDBDatabase("tx_database")
    if err != nil {
        panic(err)
    }

    pipe := xeth.NewJSXEth(ethereum)
    gui := &Gui{eth: ethereum, txDb: db, pipe: pipe, logLevel: logger.LogLevel(logLevel), Session: session, open: false, clientIdentity: clientIdentity, config: config, plugins: make(map[string]plugin)}
    data, _ := ethutil.ReadAllFile(path.Join(ethutil.Config.ExecPath, "plugins.json"))
    json.Unmarshal([]byte(data), &gui.plugins)

    return gui
}

func (gui *Gui) Start(assetPath string) {
    defer gui.txDb.Close()

    guilogger.Infoln("Starting GUI")

    // Register ethereum functions
    qml.RegisterTypes("Ethereum", 1, 0, []qml.TypeSpec{{
        Init: func(p *xeth.JSBlock, obj qml.Object) { p.Number = 0; p.Hash = "" },
    }, {
        Init: func(p *xeth.JSTransaction, obj qml.Object) { p.Value = ""; p.Hash = ""; p.Address = "" },
    }, {
        Init: func(p *xeth.KeyVal, obj qml.Object) { p.Key = ""; p.Value = "" },
    }})
    // Create a new QML engine
    gui.engine = qml.NewEngine()
    context := gui.engine.Context()
    gui.uiLib = NewUiLib(gui.engine, gui.eth, assetPath)
    gui.whisper = qwhisper.New(gui.eth.Whisper())

    // Expose the eth library and the ui library to QML
    context.SetVar("gui", gui)
    context.SetVar("eth", gui.uiLib)
    context.SetVar("shh", gui.whisper)

    // Load the main QML interface
    data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))

    var win *qml.Window
    var err error
    var addlog = false
    if len(data) == 0 {
        win, err = gui.showKeyImport(context)
    } else {
        win, err = gui.showWallet(context)
        addlog = true
    }
    if err != nil {
        guilogger.Errorln("asset not found: you can set an alternative asset path on the command line using option 'asset_path'", err)

        panic(err)
    }

    gui.open = true
    win.Show()

    // only add the gui guilogger after window is shown otherwise slider wont be shown
    if addlog {
        logger.AddLogSystem(gui)
    }
    win.Wait()

    // need to silence gui guilogger after window closed otherwise logsystem hangs (but do not save loglevel)
    gui.logLevel = logger.Silence
    gui.open = false
}

func (gui *Gui) Stop() {
    if gui.open {
        gui.logLevel = logger.Silence
        gui.open = false
        gui.win.Hide()
    }

    gui.uiLib.jsEngine.Stop()

    guilogger.Infoln("Stopped")
}

func (gui *Gui) showWallet(context *qml.Context) (*qml.Window, error) {
    component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/main.qml"))
    if err != nil {
        return nil, err
    }

    gui.win = gui.createWindow(component)

    gui.update()

    return gui.win, nil
}

// The done handler will be called by QML when all views have been loaded
func (gui *Gui) Done() {
    gui.qmlDone = true
}

func (gui *Gui) ImportKey(filePath string) {
}

func (gui *Gui) showKeyImport(context *qml.Context) (*qml.Window, error) {
    context.SetVar("lib", gui)
    component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/first_run.qml"))
    if err != nil {
        return nil, err
    }
    return gui.createWindow(component), nil
}

func (gui *Gui) createWindow(comp qml.Object) *qml.Window {
    win := comp.CreateWindow(nil)

    gui.win = win
    gui.uiLib.win = win

    return gui.win
}

func (gui *Gui) ImportAndSetPrivKey(secret string) bool {
    err := gui.eth.KeyManager().InitFromString(gui.Session, 0, secret)
    if err != nil {
        guilogger.Errorln("unable to import: ", err)
        return false
    }
    guilogger.Errorln("successfully imported: ", err)
    return true
}

func (gui *Gui) CreateAndSetPrivKey() (string, string, string, string) {
    err := gui.eth.KeyManager().Init(gui.Session, 0, true)
    if err != nil {
        guilogger.Errorln("unable to create key: ", err)
        return "", "", "", ""
    }
    return gui.eth.KeyManager().KeyPair().AsStrings()
}

func (gui *Gui) setInitialChain(ancientBlocks bool) {
    sBlk := gui.eth.ChainManager().LastBlockHash()
    blk := gui.eth.ChainManager().GetBlock(sBlk)
    for ; blk != nil; blk = gui.eth.ChainManager().GetBlock(sBlk) {
        sBlk = blk.ParentHash()

        gui.processBlock(blk, true)
    }
}

func (gui *Gui) loadAddressBook() {
    view := gui.getObjectByName("infoView")
    nameReg := gui.pipe.World().Config().Get("NameReg")
    if nameReg != nil {
        it := nameReg.Trie().Iterator()
        for it.Next() {
            if it.Key[0] != 0 {
                view.Call("addAddress", struct{ Name, Address string }{string(it.Key), ethutil.Bytes2Hex(it.Value)})
            }

        }
    }
}

func (self *Gui) loadMergedMiningOptions() {
    view := self.getObjectByName("mergedMiningModel")

    mergeMining := self.pipe.World().Config().Get("MergeMining")
    if mergeMining != nil {
        i := 0
        it := mergeMining.Trie().Iterator()
        for it.Next() {
            view.Call("addMergedMiningOption", struct {
                Checked       bool
                Name, Address string
                Id, ItemId    int
            }{false, string(it.Key), ethutil.Bytes2Hex(it.Value), 0, i})

            i++

        }
    }
}

func (gui *Gui) insertTransaction(window string, tx *types.Transaction) {
    pipe := xeth.New(gui.eth)
    nameReg := pipe.World().Config().Get("NameReg")
    addr := gui.address()

    var inout string
    if bytes.Compare(tx.From(), addr) == 0 {
        inout = "send"
    } else {
        inout = "recv"
    }

    var (
        ptx  = xeth.NewJSTx(tx, pipe.World().State())
        send = nameReg.Storage(tx.From())
        rec  = nameReg.Storage(tx.To())
        s, r string
    )

    if core.MessageCreatesContract(tx) {
        rec = nameReg.Storage(core.AddressFromMessage(tx))
    }

    if send.Len() != 0 {
        s = strings.Trim(send.Str(), "\x00")
    } else {
        s = ethutil.Bytes2Hex(tx.From())
    }
    if rec.Len() != 0 {
        r = strings.Trim(rec.Str(), "\x00")
    } else {
        if core.MessageCreatesContract(tx) {
            r = ethutil.Bytes2Hex(core.AddressFromMessage(tx))
        } else {
            r = ethutil.Bytes2Hex(tx.To())
        }
    }
    ptx.Sender = s
    ptx.Address = r

    if window == "post" {
        //gui.getObjectByName("transactionView").Call("addTx", ptx, inout)
    } else {
        gui.getObjectByName("pendingTxView").Call("addTx", ptx, inout)
    }
}

func (gui *Gui) readPreviousTransactions() {
    it := gui.txDb.NewIterator()
    for it.Next() {
        tx := types.NewTransactionFromBytes(it.Value())

        gui.insertTransaction("post", tx)

    }
    it.Release()
}

func (gui *Gui) processBlock(block *types.Block, initial bool) {
    name := strings.Trim(gui.pipe.World().Config().Get("NameReg").Storage(block.Coinbase()).Str(), "\x00")
    b := xeth.NewJSBlock(block)
    b.Name = name

    gui.getObjectByName("chainView").Call("addBlock", b, initial)
}

func (gui *Gui) setWalletValue(amount, unconfirmedFunds *big.Int) {
    var str string
    if unconfirmedFunds != nil {
        pos := "+"
        if unconfirmedFunds.Cmp(big.NewInt(0)) < 0 {
            pos = "-"
        }
        val := ethutil.CurrencyToString(new(big.Int).Abs(ethutil.BigCopy(unconfirmedFunds)))
        str = fmt.Sprintf("%v (%s %v)", ethutil.CurrencyToString(amount), pos, val)
    } else {
        str = fmt.Sprintf("%v", ethutil.CurrencyToString(amount))
    }

    gui.win.Root().Call("setWalletValue", str)
}

func (self *Gui) getObjectByName(objectName string) qml.Object {
    return self.win.Root().ObjectByName(objectName)
}

// Simple go routine function that updates the list of peers in the GUI
func (gui *Gui) update() {
    // We have to wait for qml to be done loading all the windows.
    for !gui.qmlDone {
        time.Sleep(300 * time.Millisecond)
    }

    go func() {
        go gui.setInitialChain(false)
        gui.loadAddressBook()
        gui.loadMergedMiningOptions()
        gui.setPeerInfo()
    }()

    gui.whisper.SetView(gui.win.Root().ObjectByName("whisperView"))

    for _, plugin := range gui.plugins {
        guilogger.Infoln("Loading plugin ", plugin.Name)

        gui.win.Root().Call("addPlugin", plugin.Path, "")
    }

    peerUpdateTicker := time.NewTicker(5 * time.Second)
    generalUpdateTicker := time.NewTicker(500 * time.Millisecond)
    statsUpdateTicker := time.NewTicker(5 * time.Second)

    state := gui.eth.ChainManager().TransState()

    gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Balance())))

    lastBlockLabel := gui.getObjectByName("lastBlockLabel")
    miningLabel := gui.getObjectByName("miningLabel")

    events := gui.eth.EventMux().Subscribe(
        //eth.PeerListEvent{},
        core.NewBlockEvent{},
        core.TxPreEvent{},
        core.TxPostEvent{},
    )

    go func() {
        defer events.Unsubscribe()
        for {
            select {
            case ev, isopen := <-events.Chan():
                if !isopen {
                    return
                }
                switch ev := ev.(type) {
                case core.NewBlockEvent:
                    gui.processBlock(ev.Block, false)
                    if bytes.Compare(ev.Block.Coinbase(), gui.address()) == 0 {
                        gui.setWalletValue(gui.eth.ChainManager().State().GetBalance(gui.address()), nil)
                    }

                case core.TxPreEvent:
                    tx := ev.Tx

                    tstate := gui.eth.ChainManager().TransState()
                    cstate := gui.eth.ChainManager().State()

                    taccount := tstate.GetAccount(gui.address())
                    caccount := cstate.GetAccount(gui.address())
                    unconfirmedFunds := new(big.Int).Sub(taccount.Balance(), caccount.Balance())

                    gui.setWalletValue(taccount.Balance(), unconfirmedFunds)
                    gui.insertTransaction("pre", tx)

                case core.TxPostEvent:
                    tx := ev.Tx
                    object := state.GetAccount(gui.address())

                    if bytes.Compare(tx.From(), gui.address()) == 0 {
                        object.SubAmount(tx.Value())

                        gui.txDb.Put(tx.Hash(), tx.RlpEncode())
                    } else if bytes.Compare(tx.To(), gui.address()) == 0 {
                        object.AddAmount(tx.Value())

                        gui.txDb.Put(tx.Hash(), tx.RlpEncode())
                    }

                    gui.setWalletValue(object.Balance(), nil)
                    state.UpdateStateObject(object)
                }

            case <-peerUpdateTicker.C:
                gui.setPeerInfo()
            case <-generalUpdateTicker.C:
                statusText := "#" + gui.eth.ChainManager().CurrentBlock().Number().String()
                lastBlockLabel.Set("text", statusText)
                miningLabel.Set("text", "Mining @ "+strconv.FormatInt(gui.uiLib.miner.GetPow().GetHashrate(), 10)+"Khash")

                /*
                    blockLength := gui.eth.BlockPool().BlocksProcessed
                    chainLength := gui.eth.BlockPool().ChainLength

                    var (
                        pct      float64 = 1.0 / float64(chainLength) * float64(blockLength)
                        dlWidget         = gui.win.Root().ObjectByName("downloadIndicator")
                        dlLabel          = gui.win.Root().ObjectByName("downloadLabel")
                    )
                    dlWidget.Set("value", pct)
                    dlLabel.Set("text", fmt.Sprintf("%d / %d", blockLength, chainLength))
                */

            case <-statsUpdateTicker.C:
                gui.setStatsPane()
            }
        }
    }()
}

func (gui *Gui) setStatsPane() {
    var memStats runtime.MemStats
    runtime.ReadMemStats(&memStats)

    statsPane := gui.getObjectByName("statsPane")
    statsPane.Set("text", fmt.Sprintf(`###### Mist %s (%s) #######

eth %d (p2p = %d)

CPU:        # %d
Goroutines: # %d
CGoCalls:   # %d

Alloc:      %d
Heap Alloc: %d

CGNext:     %x
NumGC:      %d
`, Version, runtime.Version(),
        eth.ProtocolVersion, 2,
        runtime.NumCPU, runtime.NumGoroutine(), runtime.NumCgoCall(),
        memStats.Alloc, memStats.HeapAlloc,
        memStats.NextGC, memStats.NumGC,
    ))
}

func (gui *Gui) setPeerInfo() {
    gui.win.Root().Call("setPeers", fmt.Sprintf("%d / %d", gui.eth.PeerCount(), gui.eth.MaxPeers))
    gui.win.Root().Call("resetPeers")
    for _, peer := range gui.pipe.Peers() {
        gui.win.Root().Call("addPeer", peer)
    }
}

func (gui *Gui) privateKey() string {
    return ethutil.Bytes2Hex(gui.eth.KeyManager().PrivateKey())
}

func (gui *Gui) address() []byte {
    return gui.eth.KeyManager().Address()
}

/*
func LoadExtension(path string) (uintptr, error) {
    lib, err := ffi.NewLibrary(path)
    if err != nil {
        return 0, err
    }

    so, err := lib.Fct("sharedObject", ffi.Pointer, nil)
    if err != nil {
        return 0, err
    }

    ptr := so()

        err = lib.Close()
        if err != nil {
            return 0, err
        }

    return ptr.Interface().(uintptr), nil
}
*/
/*
    vec, errr := LoadExtension("/Users/jeffrey/Desktop/build-libqmltest-Desktop_Qt_5_2_1_clang_64bit-Debug/liblibqmltest_debug.dylib")
    fmt.Printf("Fetched vec with addr: %#x\n", vec)
    if errr != nil {
        fmt.Println(errr)
    } else {
        context.SetVar("vec", (unsafe.Pointer)(vec))
    }
*/