client/electrum4a.py

   1 #!/usr/bin/env python
   2 #
   3 # Electrum - lightweight Bitcoin client
   4 # Copyright (C) 2011 thomasv@gitorious
   5 #
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
  18
  19
  20
  21 import android
  22 from interface import WalletSynchronizer
  23 from wallet import Wallet
  24 from wallet import format_satoshis
  25 from decimal import Decimal
  26
  27
  28 import datetime
  29
  30
  31 droid = android.Android()
  32 wallet = Wallet()
  33 wallet.set_path("/sdcard/electrum.dat")
  34 wallet.read()
  35
  36
  37
  38
  39 def select_from_contacts():
  40     title = 'Contacts:'
  41     droid.dialogCreateAlert(title)
  42     droid.dialogSetItems(wallet.addressbook)
  43     droid.dialogShow()
  44     response = droid.dialogGetResponse()
  45     result = response.result.get('item')
  46     droid.dialogDismiss()
  47     if result is not None:
  48         addr = wallet.addressbook[result]
  49         return addr
  50
  51
  52 def select_from_addresses():
  53     droid.dialogCreateAlert("Addresses:")
  54     l = []
  55     for i in range(len(wallet.addresses)):
  56         addr = wallet.addresses[i]
  57         l.append( wallet.labels.get(addr,'') + ' ' + addr)
  58
  59     droid.dialogSetItems(l)
  60     droid.dialogShow()
  61     response = droid.dialogGetResponse()
  62     result = response.result.get('item')
  63     droid.dialogDismiss()
  64     if result is not None:
  65         addr = wallet.addresses[result]
  66         return addr
  67
  68
  69
  70 title = """
  71         <TextView android:id="@+id/titleTextView"
  72                 android:layout_width="match_parent"
  73                 android:layout_height="100"
  74                 android:text="Electrum"
  75                 android:textAppearance="?android:attr/textAppearanceLarge"
  76                 android:gravity="center"
  77                 android:textColor="0xff0055ff"
  78                 android:textSize="30" >
  79         </TextView>
  80 """
  81
  82 def main_layout():
  83     return """<?xml version="1.0" encoding="utf-8"?>
  84 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
  85     android:layout_width="match_parent"
  86     android:layout_height="match_parent">
  87
  88 <LinearLayout
  89         android:id="@+id/background"
  90         android:orientation="vertical"
  91         android:layout_width="match_parent"
  92         android:layout_height="match_parent"
  93         android:background="#ff000022">
  94
  95         %s
  96
  97         <TextView android:id="@+id/balanceTextView"
  98                 android:layout_width="match_parent"
  99                 android:layout_height="wrap_content"
 100                 android:text=""
 101                 android:textAppearance="?android:attr/textAppearanceLarge"
 102                 android:gravity="left"
 103                 android:textColor="0xffffffff"
 104                 android:padding="10"
 105                 android:textSize="18" >
 106         </TextView>
 107
 108
 109         <TextView android:id="@+id/historyTextView"
 110                 android:layout_width="match_parent"
 111                 android:layout_height="70"
 112                 android:text="Recent transactions"
 113                 android:textAppearance="?android:attr/textAppearanceLarge"
 114                 android:gravity="center_vertical|center_horizontal|center">
 115         </TextView>
 116
 117         %s
 118
 119         <TableLayout
 120            android:layout_width="match_parent"
 121            android:layout_height="wrap_content"
 122            android:id="@+id/linearLayout1">
 123             <TableRow>
 124                 <Button android:id="@+id/buttonSend"
 125                         android:layout_width="wrap_content"
 126                         android:layout_height="wrap_content"
 127                         android:text="  Send ">
 128                 </Button>
 129                 <Button android:id="@+id/buttonReceive"
 130                         android:layout_width="wrap_content"
 131                         android:layout_height="wrap_content"
 132                         android:text="Receive">
 133                 </Button>
 134                 <Button android:id="@+id/buttonContacts"
 135                         android:layout_width="wrap_content"
 136                         android:layout_height="wrap_content"
 137                         android:text="Contacts">
 138                 </Button>
 139            </TableRow>
 140         </TableLayout>
 141
 142 </LinearLayout>
 143 </ScrollView>
 144 """%(title, get_history_layout(15))
 145
 146
 147 payto_layout="""<?xml version="1.0" encoding="utf-8"?>
 148 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 149  android:id="@+id/background"
 150  android:orientation="vertical"
 151  android:layout_width="match_parent"
 152  android:layout_height="match_parent"
 153  android:background="#ff000022">
 154
 155         %s
 156
 157         <TextView android:id="@+id/recipientTextView"
 158                 android:layout_width="match_parent"
 159                 android:layout_height="wrap_content"
 160                 android:text="Pay to:"
 161                 android:textAppearance="?android:attr/textAppearanceLarge"
 162                 android:gravity="left">
 163         </TextView>
 164
 165
 166         <EditText android:id="@+id/recipient"
 167                 android:layout_width="match_parent"
 168                 android:layout_height="wrap_content"
 169                 android:tag="Tag Me" android:inputType="textCapWords|textPhonetic|number">
 170         </EditText>
 171
 172         <LinearLayout android:id="@+id/linearLayout1"
 173                 android:layout_width="match_parent"
 174                 android:layout_height="wrap_content">
 175                 <Button android:id="@+id/buttonQR" android:layout_width="wrap_content"
 176                         android:layout_height="wrap_content" android:text="Scan QR"></Button>
 177                 <Button android:id="@+id/buttonContacts" android:layout_width="wrap_content"
 178                         android:layout_height="wrap_content" android:text="Contacts"></Button>
 179         </LinearLayout>
 180
 181
 182         <TextView android:id="@+id/labelTextView"
 183                 android:layout_width="match_parent"
 184                 android:layout_height="wrap_content"
 185                 android:text="Description:"
 186                 android:textAppearance="?android:attr/textAppearanceLarge"
 187                 android:gravity="left">
 188         </TextView>
 189
 190         <EditText android:id="@+id/label"
 191                 android:layout_width="match_parent"
 192                 android:layout_height="wrap_content"
 193                 android:tag="Tag Me" android:inputType="textCapWords|textPhonetic|number">
 194         </EditText>
 195
 196         <TextView android:id="@+id/amountLabelTextView"
 197                 android:layout_width="match_parent"
 198                 android:layout_height="wrap_content"
 199                 android:text="Amount:"
 200                 android:textAppearance="?android:attr/textAppearanceLarge"
 201                 android:gravity="left">
 202         </TextView>
 203
 204         <EditText android:id="@+id/amount"
 205                 android:layout_width="match_parent"
 206                 android:layout_height="wrap_content"
 207                 android:tag="Tag Me" android:inputType="numberDecimal">
 208         </EditText>
 209
 210         <LinearLayout android:layout_width="match_parent"
 211                 android:layout_height="wrap_content" android:id="@+id/linearLayout1">
 212                 <Button android:id="@+id/buttonPay" android:layout_width="wrap_content"
 213                         android:layout_height="wrap_content" android:text="Send"></Button>
 214                 <Button android:id="@+id/buttonCancelSend" android:layout_width="wrap_content"
 215                         android:layout_height="wrap_content" android:text="Cancel"></Button>
 216         </LinearLayout>
 217 </LinearLayout>
 218 """%title
 219
 220
 221
 222 def make_layout(s):
 223     return """<?xml version="1.0" encoding="utf-8"?>
 224       <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 225         android:id="@+id/background"
 226         android:orientation="vertical"
 227         android:layout_width="match_parent"
 228         android:layout_height="match_parent"
 229         android:background="#ff000000">
 230         %s
 231         %s
 232       </LinearLayout>"""%(title,s)
 233
 234 receive_layout = make_layout("""
 235         <TextView android:id="@+id/receiveTextView"
 236                 android:layout_width="match_parent"
 237                 android:layout_height="wrap_content"
 238                 android:text="Addr"
 239                 android:textAppearance="?android:attr/textAppearanceLarge"
 240                 android:gravity="left">
 241         </TextView>""")
 242
 243 contacts_layout = make_layout("""
 244         <TextView android:id="@+id/contactTextView"
 245                 android:layout_width="match_parent"
 246                 android:layout_height="wrap_content"
 247                 android:text="Contacts"
 248                 android:textAppearance="?android:attr/textAppearanceLarge"
 249                 android:gravity="left">
 250         </TextView>""")
 251
 252 settings_layout = make_layout("""
 253         <TextView android:id="@+id/serverTextView"
 254                 android:layout_width="match_parent"
 255                 android:layout_height="wrap_content"
 256                 android:text="Server:"
 257                 android:textAppearance="?android:attr/textAppearanceLarge"
 258                 android:gravity="left">
 259         </TextView>
 260
 261         <EditText android:id="@+id/server"
 262                 android:layout_width="match_parent"
 263                 android:layout_height="wrap_content"
 264                 android:tag="Tag Me" android:inputType="*">
 265         </EditText>
 266
 267         <LinearLayout android:layout_width="match_parent"
 268                 android:layout_height="wrap_content" android:id="@+id/linearLayout1">
 269                 <Button android:id="@+id/buttonServer" android:layout_width="wrap_content"
 270                         android:layout_height="wrap_content" android:text="Server List"></Button>
 271                 <Button android:id="@+id/buttonSave" android:layout_width="wrap_content"
 272                         android:layout_height="wrap_content" android:text="Save"></Button>
 273                 <Button android:id="@+id/buttonCancel" android:layout_width="wrap_content"
 274                         android:layout_height="wrap_content" android:text="Cancel"></Button>
 275         </LinearLayout>""")
 276
 277
 278
 279 def get_history_values(n):
 280     values = []
 281     h = wallet.get_tx_history()
 282     for i in range(n):
 283         line = h[-i-1]
 284         v = line['value']
 285         try:
 286             dt = datetime.datetime.fromtimestamp( line['timestamp'] )
 287             if dt.date() == dt.today().date():
 288                 time_str = str( dt.time() )
 289             else:
 290                 time_str = str( dt.date() )
 291             conf = 'v'
 292
 293         except:
 294             print line['timestamp']
 295             time_str = 'pending'
 296             conf = 'o'
 297
 298         label = line.get('label')
 299         #if not label: label = line['tx_hash']
 300         is_default_label = (label == '') or (label is None)
 301         if is_default_label: label = line['default_label']
 302         values.append((conf, '  ' + time_str, '  ' + format_satoshis(v,True), '  ' + label ))
 303
 304     return values
 305
 306
 307 def get_history_layout(n):
 308     rows = ""
 309     i = 0
 310     values = get_history_values(n)
 311     for v in values:
 312         a,b,c,d = v
 313         color = "0xff00ff00" if a == 'v' else "0xffff0000"
 314         rows += """
 315         <TableRow>
 316           <TextView
 317             android:id="@+id/hl_%d_col1"
 318             android:layout_column="0"
 319             android:text="%s"
 320             android:textColor="%s"
 321             android:padding="3" />
 322           <TextView
 323             android:id="@+id/hl_%d_col2"
 324             android:layout_column="1"
 325             android:text="%s"
 326             android:padding="3" />
 327           <TextView
 328             android:id="@+id/hl_%d_col3"
 329             android:layout_column="2"
 330             android:text="%s"
 331             android:padding="3" />
 332           <TextView
 333             android:id="@+id/hl_%d_col4"
 334             android:layout_column="3"
 335             android:text="%s"
 336             android:padding="4" />
 337         </TableRow>"""%(i,a,color,i,b,i,c,i,d)
 338         i += 1
 339
 340     output = """
 341 <TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
 342     android:layout_width="fill_parent"
 343     android:layout_height="wrap_content"
 344     android:stretchColumns="0,1,2,3">
 345     %s
 346 </TableLayout>"""% rows
 347     return output
 348
 349 def set_history_layout(n):
 350     values = get_history_values(n)
 351     i = 0
 352     for v in values:
 353         a,b,c,d = v
 354         droid.fullSetProperty("hl_%d_col1"%i,"text", a)
 355
 356         if a == 'v':
 357             droid.fullSetProperty("hl_%d_col1"%i, "textColor","0xff00ff00")
 358         else:
 359             droid.fullSetProperty("hl_%d_col1"%i, "textColor","0xffff0000")
 360
 361         droid.fullSetProperty("hl_%d_col2"%i,"text", b)
 362         droid.fullSetProperty("hl_%d_col3"%i,"text", c)
 363         droid.fullSetProperty("hl_%d_col4"%i,"text", d)
 364
 365         i += 1
 366
 367
 368 def update_layout():
 369
 370     if not wallet.interface.is_connected:
 371         text = "Not connected..."
 372     elif wallet.blocks == 0:
 373         text = "Server not ready"
 374     elif not wallet.up_to_date:
 375         text = "Synchronizing..."
 376     else:
 377         c, u = wallet.get_balance()
 378         text = "Balance:"+format_satoshis(c)
 379         if u : text += '['+ format_satoshis(u,True)+']'
 380
 381     droid.fullSetProperty("balanceTextView", "text", text)
 382
 383     if wallet.was_updated and wallet.up_to_date:
 384         wallet.was_updated = False
 385         set_history_layout(15)
 386         droid.vibrate()
 387
 388
 389
 390
 391 def pay_to(recipient, amount, fee, label):
 392
 393     if wallet.use_encryption:
 394         password  = droid.dialogGetPassword('Password').result
 395         print "password", password
 396     else:
 397         password = None
 398
 399     droid.dialogCreateSpinnerProgress("Electrum", "signing transaction...")
 400     droid.dialogShow()
 401     tx = wallet.mktx( recipient, amount, label, password, fee)
 402     print tx
 403     droid.dialogDismiss()
 404
 405     if tx:
 406         r, h = wallet.sendtx( tx )
 407         droid.dialogCreateAlert('tx sent', h)
 408         droid.dialogSetPositiveButtonText('OK')
 409         droid.dialogShow()
 410         response = droid.dialogGetResponse().result
 411         droid.dialogDismiss()
 412         return h
 413     else:
 414         return 'error'
 415
 416
 417
 418
 419
 420
 421
 422 if not wallet.file_exists:
 423     droid.dialogCreateAlert("wallet file not found")
 424     droid.dialogSetPositiveButtonText('OK')
 425     droid.dialogShow()
 426     resp = droid.dialogGetResponse().result
 427     print resp
 428
 429     code = droid.scanBarcode()
 430     r = code.result
 431     if r:
 432         seed = r['extras']['SCAN_RESULT']
 433     else:
 434         exit(1)
 435
 436     droid.dialogCreateAlert('seed', seed)
 437     droid.dialogSetPositiveButtonText('OK')
 438     droid.dialogSetNegativeButtonText('Cancel')
 439     droid.dialogShow()
 440     response = droid.dialogGetResponse().result
 441     droid.dialogDismiss()
 442     print response
 443
 444     wallet.seed = str(seed)
 445     wallet.init_mpk( wallet.seed )
 446     droid.dialogCreateSpinnerProgress("Electrum", "recovering wallet...")
 447     droid.dialogShow()
 448     WalletSynchronizer(wallet,True).start()
 449     wallet.update()
 450     wallet.save()
 451     droid.dialogDismiss()
 452     droid.vibrate()
 453
 454     if wallet.is_found():
 455         # history and addressbook
 456         wallet.update_tx_history()
 457         wallet.fill_addressbook()
 458         droid.dialogCreateAlert("recovery successful")
 459         droid.dialogShow()
 460         wallet.save()
 461     else:
 462         droid.dialogCreateSpinnerProgress("wallet not found")
 463         droid.dialogShow()
 464         exit(1)
 465
 466 else:
 467     WalletSynchronizer(wallet,True).start()
 468
 469
 470 def add_menu():
 471     droid.addOptionsMenuItem("Network","settings",None,"")
 472     droid.addOptionsMenuItem("New contact","newcontact",None,"")
 473     droid.addOptionsMenuItem("Quit","quit",None,"")
 474
 475 add_menu()
 476
 477
 478 def main_loop():
 479     droid.fullShow(main_layout())
 480     update_layout()
 481     out = None
 482     while out is None:
 483
 484         event = droid.eventWait(1000).result  # wait for 1 second
 485         if not event:
 486             update_layout()
 487             continue
 488
 489         print "got event in main loop", event
 490
 491         if event["name"]=="click":
 492             id=event["data"]["id"]
 493
 494             if id=="buttonSend":
 495                 out = 'payto'
 496
 497             if id=="buttonContacts":
 498                 global contact_addr
 499                 contact_addr = select_from_contacts()
 500                 if contact_addr:
 501                     out = 'contacts'
 502
 503             elif id=="buttonReceive":
 504                 global receive_addr
 505                 receive_addr = select_from_addresses()
 506                 if receive_addr:
 507                     out = 'receive'
 508
 509         elif event["name"]=="settings":
 510             out = 'settings'
 511
 512         elif event["name"]=="newcontact":
 513             code = droid.scanBarcode()
 514             r = code.result
 515             if r:
 516                 address = r['extras']['SCAN_RESULT']
 517                 if address:
 518                     if wallet.is_valid(address):
 519                         droid.dialogCreateAlert('Add to contacts?', address)
 520                         droid.dialogSetPositiveButtonText('OK')
 521                         droid.dialogSetNegativeButtonText('Cancel')
 522                         droid.dialogShow()
 523                         response = droid.dialogGetResponse().result
 524                         droid.dialogDismiss()
 525                         print response
 526                         if response.get('which') == 'positive':
 527                             wallet.addressbook.append(address)
 528                             wallet.save()
 529                     else:
 530                         droid.dialogCreateAlert('Invalid address', address)
 531                         droid.dialogSetPositiveButtonText('OK')
 532                         droid.dialogShow()
 533                         response = droid.dialogGetResponse().result
 534                         droid.dialogDismiss()
 535
 536         elif event["name"]=="key":
 537             if event["data"]["key"] == '4':
 538                 out = 'quit'
 539
 540         elif event["name"]=="quit":
 541             out = 'quit'
 542
 543     return out
 544
 545 def payto_loop():
 546     droid.fullShow(payto_layout)
 547     out = None
 548     while out is None:
 549         event = droid.eventWait().result
 550         print "got event in payto loop", event
 551
 552         if event["name"] == "click":
 553             id = event["data"]["id"]
 554
 555             if id=="buttonPay":
 556
 557                 droid.fullQuery()
 558                 recipient = droid.fullQueryDetail("recipient").result.get('text')
 559                 label  = droid.fullQueryDetail("label").result.get('text')
 560                 amount = droid.fullQueryDetail('amount').result.get('text')
 561                 fee    = '0.001'
 562                 amount = int( 100000000 * Decimal(amount) )
 563                 fee    = int( 100000000 * Decimal(fee) )
 564                 result = pay_to(recipient, amount, fee, label)
 565
 566                 droid.dialogCreateAlert('result', result)
 567                 droid.dialogSetPositiveButtonText('OK')
 568                 droid.dialogShow()
 569                 droid.dialogGetResponse()
 570                 droid.dialogDismiss()
 571                 out = 'main'
 572
 573             elif id=="buttonContacts":
 574                 addr = select_from_contacts()
 575                 droid.fullSetProperty("recipient","text",addr)
 576
 577             elif id=="buttonQR":
 578                 code = droid.scanBarcode()
 579                 r = code.result
 580                 if r:
 581                     addr = r['extras']['SCAN_RESULT']
 582                     if addr:
 583                         droid.fullSetProperty("recipient","text",addr)
 584
 585             elif id=="buttonCancelSend":
 586                 out = 'main'
 587
 588         elif event["name"]=="settings":
 589             out = 'settings'
 590
 591         elif event["name"]=="quit":
 592             out = 'quit'
 593
 594         elif event["name"]=="key":
 595             if event["data"]["key"] == '4':
 596                 out = 'main'
 597
 598         #elif event["name"]=="screen":
 599         #    if event["data"]=="destroy":
 600         #        out = 'main'
 601
 602     return out
 603
 604
 605 receive_addr = ''
 606 contact_addr = ''
 607
 608
 609 def receive_loop():
 610     droid.fullShow(receive_layout)
 611     droid.fullSetProperty("receiveTextView","text", receive_addr)
 612     out = None
 613     while out is None:
 614         event = droid.eventWait().result
 615         print "got event", event
 616         if event["name"] == "click":
 617
 618             if event["data"]["text"] == "OK":
 619                 out = 'main'
 620
 621         elif event["name"]=="key":
 622             if event["data"]["key"] == '4':
 623                 out = 'main'
 624
 625     return out
 626
 627 def contacts_loop():
 628     droid.fullShow(contacts_layout)
 629     droid.fullSetProperty("contactTextView","text", contact_addr)
 630     out = None
 631     while out is None:
 632         event = droid.eventWait().result
 633         print "got event", event
 634         if event["name"] == "click":
 635
 636             if event["data"]["text"] == "OK":
 637                 out = 'main'
 638
 639         elif event["name"]=="key":
 640             if event["data"]["key"] == '4':
 641                 out = 'main'
 642
 643     return out
 644
 645
 646 def server_dialog(plist):
 647     droid.dialogCreateAlert("servers")
 648     droid.dialogSetItems( plist.keys() )
 649     droid.dialogShow()
 650     i = droid.dialogGetResponse().result.get('item')
 651     droid.dialogDismiss()
 652     if i is not None:
 653         response = plist.keys()[i]
 654         return response
 655
 656
 657 def protocol_dialog(plist):
 658     options=["TCP","HTTP","native"]
 659     droid.dialogCreateAlert("Protocol")
 660     droid.dialogSetSingleChoiceItems(options)
 661
 662
 663
 664 def settings_loop():
 665     droid.fullShow(settings_layout)
 666     droid.fullSetProperty("server","text",wallet.server)
 667
 668     out = None
 669     while out is None:
 670         event = droid.eventWait().result
 671         if event["name"] == "click":
 672
 673             id = event["data"]["id"]
 674
 675             if id=="buttonServer":
 676                 plist = {}
 677                 for item in wallet.interface.servers:
 678                     host, pp = item
 679                     z = {}
 680                     for item2 in pp:
 681                         protocol, port = item2
 682                         z[protocol] = port
 683                     plist[host] = z
 684
 685                 host = server_dialog(plist)
 686                 p = plist[host]
 687                 port = p['t']
 688                 srv = host + ':' + port + ':t'
 689                 droid.fullSetProperty("server","text",srv)
 690
 691             elif id=="buttonSave":
 692                 droid.fullQuery()
 693                 srv = droid.fullQueryDetail("server").result.get('text')
 694                 try:
 695                     wallet.set_server(srv)
 696                     out = 'main'
 697                 except:
 698                     droid.dialogCreateAlert('error')
 699                     droid.dialogSetPositiveButtonText('OK')
 700                     droid.dialogShow()
 701                     droid.dialogGetResponse()
 702                     droid.dialogDismiss()
 703
 704             elif id=="buttonCancel":
 705                 out = 'main'
 706
 707         elif event["name"] == "key":
 708             if event["data"]["key"] == '4':
 709                 out = 'main'
 710
 711         elif event["name"]=="quit":
 712             out = 'quit'
 713
 714     return out
 715
 716
 717
 718
 719 s = 'main'
 720 while True:
 721     if s == 'main':
 722         s = main_loop()
 723     elif s == 'payto':
 724         s = payto_loop()
 725     elif s == 'receive':
 726         s = receive_loop()
 727     elif s == 'contacts':
 728         s = contacts_loop()
 729     elif s == 'settings':
 730         s = settings_loop()
 731     elif s == 'contacts':
 732         s = contacts_loop()
 733     else:
 734         break
 735
 736 droid.fullDismiss()
 737 droid.makeToast("Bye!")