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#!/usr/bin/env python
#
# Electrum - lightweight Bitcoin client
# Copyright (C) 2011 thomasv@gitorious
#
# This program 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.
#
# This program 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 program. If not, see <http://www.gnu.org/licenses/>.
import android
13 years ago
from interface import WalletSynchronizer
from wallet import Wallet, format_satoshis
import mnemonic
from decimal import Decimal
import datetime, re
13 years ago
def modal_dialog(title, msg = None):
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droid.dialogCreateAlert(title,msg)
droid.dialogSetPositiveButtonText('OK')
droid.dialogShow()
droid.dialogGetResponse()
droid.dialogDismiss()
def modal_input(title, msg, value = None, etype=None):
droid.dialogCreateInput(title, msg, value, etype)
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droid.dialogSetPositiveButtonText('OK')
droid.dialogSetNegativeButtonText('Cancel')
droid.dialogShow()
response = droid.dialogGetResponse().result
droid.dialogDismiss()
if response.get('which') == 'positive':
return response.get('value')
def modal_question(q, msg, pos_text = 'OK', neg_text = 'Cancel'):
droid.dialogCreateAlert(q, msg)
droid.dialogSetPositiveButtonText(pos_text)
droid.dialogSetNegativeButtonText(neg_text)
droid.dialogShow()
response = droid.dialogGetResponse().result
droid.dialogDismiss()
return response.get('which') == 'positive'
def edit_label(addr):
v = modal_input('Edit label',None,wallet.labels.get(addr))
if v is not None:
if v:
wallet.labels[addr] = v
else:
if addr in wallet.labels.keys():
wallet.labels.pop(addr)
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wallet.update_tx_history()
wallet.save()
droid.fullSetProperty("labelTextView", "text", v)
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def select_from_contacts():
title = 'Contacts:'
droid.dialogCreateAlert(title)
l = []
for i in range(len(wallet.addressbook)):
addr = wallet.addressbook[i]
label = wallet.labels.get(addr,addr)
l.append( label )
droid.dialogSetItems(l)
droid.dialogSetPositiveButtonText('New contact')
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droid.dialogShow()
response = droid.dialogGetResponse().result
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droid.dialogDismiss()
if response.get('which') == 'positive':
return 'newcontact'
result = response.get('item')
print result
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if result is not None:
addr = wallet.addressbook[result]
return addr
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def select_from_addresses():
droid.dialogCreateAlert("Addresses:")
l = []
for i in range(len(wallet.addresses)):
addr = wallet.addresses[i]
label = wallet.labels.get(addr,addr)
l.append( label )
droid.dialogSetItems(l)
droid.dialogShow()
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response = droid.dialogGetResponse()
result = response.result.get('item')
droid.dialogDismiss()
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if result is not None:
addr = wallet.addresses[result]
return addr
def protocol_name(p):
if p == 't': return 'TCP/stratum'
if p == 'h': return 'HTTP/Stratum'
if p == 'n': return 'TCP/native'
def protocol_dialog(host, protocol, z):
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droid.dialogCreateAlert('Protocol',host)
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if z:
protocols = z.keys()
else:
protocols = ['t','h','n']
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l = []
current = protocols.index(protocol)
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for p in protocols:
l.append(protocol_name(p))
droid.dialogSetSingleChoiceItems(l, current)
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droid.dialogSetPositiveButtonText('OK')
droid.dialogSetNegativeButtonText('Cancel')
droid.dialogShow()
response = droid.dialogGetResponse().result
if not response: return
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if response.get('which') == 'positive':
response = droid.dialogGetSelectedItems().result[0]
droid.dialogDismiss()
p = protocols[response]
port = z[p]
return host + ':' + port + ':' + p
def make_layout(s, scrollable = False):
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content = """
<LinearLayout
android:id="@+id/zz"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#ff222222">
<TextView
android:id="@+id/textElectrum"
android:text="Electrum"
android:textSize="7pt"
android:textColor="#ff4444ff"
android:gravity="left"
android:layout_height="wrap_content"
android:layout_width="match_parent"
/>
</LinearLayout>
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%s """%s
if scrollable:
content = """
<ScrollView
android:id="@+id/scrollview"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
%s
</LinearLayout>
</ScrollView>
"""%content
return """<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/background"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ff000022">
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%s
</LinearLayout>"""%content
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def main_layout():
return make_layout("""
<TextView android:id="@+id/balanceTextView"
android:layout_width="match_parent"
android:text=""
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android:textColor="#ffffffff"
android:textAppearance="?android:attr/textAppearanceLarge"
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android:padding="7dip"
android:textSize="8pt"
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android:gravity="center_vertical|center_horizontal|left">
</TextView>
<TextView android:id="@+id/historyTextView"
android:layout_width="match_parent"
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android:layout_height="wrap_content"
android:text="Recent transactions"
android:textAppearance="?android:attr/textAppearanceLarge"
android:gravity="center_vertical|center_horizontal|center">
</TextView>
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%s """%get_history_layout(15),True)
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def qr_layout(addr):
return make_layout("""
<TextView android:id="@+id/addrTextView"
android:layout_width="match_parent"
android:layout_height="50"
android:text="%s"
android:textAppearance="?android:attr/textAppearanceLarge"
android:gravity="center_vertical|center_horizontal|center">
</TextView>
<ImageView
android:id="@+id/qrView"
android:gravity="center"
android:layout_width="match_parent"
android:layout_height="350"
android:antialias="false"
android:src="file:///sdcard/sl4a/qrcode.bmp" />
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<TextView android:id="@+id/labelTextView"
android:layout_width="match_parent"
android:layout_height="50"
android:text="%s"
android:textAppearance="?android:attr/textAppearanceLarge"
android:gravity="center_vertical|center_horizontal|center">
</TextView>
"""%(addr,wallet.labels.get(addr,'')), True)
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payto_layout = make_layout("""
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<TextView android:id="@+id/recipientTextView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Pay to:"
android:textAppearance="?android:attr/textAppearanceLarge"
android:gravity="left">
</TextView>
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<EditText android:id="@+id/recipient"
android:layout_width="match_parent"
android:layout_height="wrap_content"
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android:tag="Tag Me" android:inputType="text">
</EditText>
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<LinearLayout android:id="@+id/linearLayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button android:id="@+id/buttonQR" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="From QR code"></Button>
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<Button android:id="@+id/buttonContacts" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="From Contacts"></Button>
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</LinearLayout>
<TextView android:id="@+id/labelTextView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Description:"
android:textAppearance="?android:attr/textAppearanceLarge"
android:gravity="left">
</TextView>
<EditText android:id="@+id/label"
android:layout_width="match_parent"
android:layout_height="wrap_content"
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android:tag="Tag Me" android:inputType="text">
</EditText>
<TextView android:id="@+id/amountLabelTextView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Amount:"
android:textAppearance="?android:attr/textAppearanceLarge"
android:gravity="left">
</TextView>
<EditText android:id="@+id/amount"
android:layout_width="match_parent"
android:layout_height="wrap_content"
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android:tag="Tag Me" android:inputType="numberDecimal">
</EditText>
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content" android:id="@+id/linearLayout1">
<Button android:id="@+id/buttonPay" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="Send"></Button>
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</LinearLayout>""",False)
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settings_layout = make_layout(""" <ListView
android:id="@+id/myListView"
android:layout_width="match_parent"
android:layout_height="wrap_content" />""")
def get_history_values(n):
values = []
h = wallet.get_tx_history()
length = min(n, len(h))
for i in range(length):
line = h[-i-1]
v = line['value']
try:
dt = datetime.datetime.fromtimestamp( line['timestamp'] )
if dt.date() == dt.today().date():
time_str = str( dt.time() )
else:
time_str = str( dt.date() )
conf = 'v'
except:
print line['timestamp']
time_str = 'pending'
conf = 'o'
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tx_hash = line['tx_hash']
label = wallet.labels.get(tx_hash)
is_default_label = (label == '') or (label is None)
if is_default_label: label = line['default_label']
values.append((conf, ' ' + time_str, ' ' + format_satoshis(v,True), ' ' + label ))
return values
def get_history_layout(n):
rows = ""
i = 0
values = get_history_values(n)
for v in values:
a,b,c,d = v
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color = "#ff00ff00" if a == 'v' else "#ffff0000"
rows += """
<TableRow>
<TextView
android:id="@+id/hl_%d_col1"
android:layout_column="0"
android:text="%s"
android:textColor="%s"
android:padding="3" />
<TextView
android:id="@+id/hl_%d_col2"
android:layout_column="1"
android:text="%s"
android:padding="3" />
<TextView
android:id="@+id/hl_%d_col3"
android:layout_column="2"
android:text="%s"
android:padding="3" />
<TextView
android:id="@+id/hl_%d_col4"
android:layout_column="3"
android:text="%s"
android:padding="4" />
</TableRow>"""%(i,a,color,i,b,i,c,i,d)
i += 1
output = """
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:stretchColumns="0,1,2,3">
%s
</TableLayout>"""% rows
return output
def set_history_layout(n):
values = get_history_values(n)
i = 0
for v in values:
a,b,c,d = v
droid.fullSetProperty("hl_%d_col1"%i,"text", a)
if a == 'v':
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droid.fullSetProperty("hl_%d_col1"%i, "textColor","#ff00ff00")
else:
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droid.fullSetProperty("hl_%d_col1"%i, "textColor","#ffff0000")
droid.fullSetProperty("hl_%d_col2"%i,"text", b)
droid.fullSetProperty("hl_%d_col3"%i,"text", c)
droid.fullSetProperty("hl_%d_col4"%i,"text", d)
i += 1
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status_text = ''
def update_layout():
global status_text
if not wallet.interface.is_connected:
text = "Not connected..."
elif wallet.blocks == 0:
text = "Server not ready"
elif not wallet.up_to_date:
text = "Synchronizing..."
else:
c, u = wallet.get_balance()
text = "Balance:"+format_satoshis(c)
if u : text += ' [' + format_satoshis(u,True).strip() + ']'
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# vibrate if status changed
if text != status_text:
if status_text and wallet.interface.is_connected and wallet.up_to_date:
droid.vibrate()
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status_text = text
droid.fullSetProperty("balanceTextView", "text", status_text)
if wallet.up_to_date:
set_history_layout(15)
def pay_to(recipient, amount, fee, label):
if wallet.use_encryption:
password = droid.dialogGetPassword('Password').result
if not password: return
else:
password = None
droid.dialogCreateSpinnerProgress("Electrum", "signing transaction...")
droid.dialogShow()
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try:
tx = wallet.mktx( recipient, amount, label, password, fee)
except BaseException, e:
modal_dialog('error', e.message)
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droid.dialogDismiss()
return
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droid.dialogDismiss()
r, h = wallet.sendtx( tx )
if r:
modal_dialog('Payment sent', h)
return True
else:
modal_dialog('Error', h)
def recover():
droid.dialogCreateAlert("Wallet not found","Do you want to create a new wallet, or restore an existing one?")
droid.dialogSetPositiveButtonText('Create')
droid.dialogSetNeutralButtonText('Restore')
droid.dialogSetNegativeButtonText('Cancel')
droid.dialogShow()
response = droid.dialogGetResponse().result
droid.dialogDismiss()
if response.get('which') == 'negative':
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exit(1)
is_recovery = response.get('which') == 'neutral'
if not is_recovery:
wallet.new_seed(None)
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else:
if modal_question("Input method",None,'QR Code', 'mnemonic'):
code = droid.scanBarcode()
r = code.result
if r:
seed = r['extras']['SCAN_RESULT']
else:
exit(1)
else:
m = modal_input('Mnemonic','please enter your code')
try:
seed = mnemonic.mn_decode(m.split(' '))
except:
modal_dialog('error: could not decode this seed')
exit(1)
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wallet.seed = str(seed)
modal_dialog('Your seed is:', wallet.seed)
modal_dialog('Mnemonic code:', ' '.join(mnemonic.mn_encode(wallet.seed)) )
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msg = "recovering wallet..." if is_recovery else "creating wallet..."
droid.dialogCreateSpinnerProgress("Electrum", msg)
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droid.dialogShow()
wallet.init_mpk( wallet.seed )
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WalletSynchronizer(wallet,True).start()
wallet.update()
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droid.dialogDismiss()
droid.vibrate()
if is_recovery:
if wallet.is_found():
wallet.update_tx_history()
wallet.fill_addressbook()
modal_dialog("recovery successful")
else:
if not modal_question("no transactions found for this seed","do you want to keep this wallet?"):
exit(1)
change_password_dialog()
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wallet.save()
def make_new_contact():
code = droid.scanBarcode()
r = code.result
if r:
data = r['extras']['SCAN_RESULT']
if data:
if re.match('^bitcoin:', data):
address, _, _, _, _, _, _ = wallet.parse_url(data, None, None)
elif wallet.is_valid(data):
address = data
else:
address = None
if address:
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if modal_question('Add to contacts?', address):
wallet.addressbook.append(address)
wallet.save()
else:
modal_dialog('Invalid address', data)
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do_refresh = False
def update_callback():
global do_refresh
print "gui callback", wallet.interface.is_connected, wallet.up_to_date
do_refresh = True
droid.eventPost("refresh",'z')
def main_loop():
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global do_refresh
update_layout()
out = None
quitting = False
while out is None:
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event = droid.eventWait(1000).result
if event is None:
if do_refresh:
update_layout()
do_refresh = False
continue
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print "got event in main loop", repr(event)
if event == 'OK': continue
if event is None: continue
#if event["name"]=="refresh":
# request 2 taps before we exit
if event["name"]=="key":
if event["data"]["key"] == '4':
if quitting:
out = 'quit'
else:
quitting = True
else: quitting = False
if event["name"]=="click":
id=event["data"]["id"]
elif event["name"]=="settings":
out = 'settings'
elif event["name"] in menu_commands:
out = event["name"]
if out == 'contacts':
global contact_addr
contact_addr = select_from_contacts()
if contact_addr == 'newcontact':
make_new_contact()
contact_addr = None
if not contact_addr:
out = None
elif out == "receive":
global receive_addr
receive_addr = select_from_addresses()
if receive_addr:
amount = modal_input('Amount', 'Amount you want receive. ', '', "numberDecimal")
if amount:
receive_addr = 'bitcoin:%s?amount=%s'%(receive_addr, amount)
if not receive_addr:
out = None
return out
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def payto_loop():
global recipient
if recipient:
droid.fullSetProperty("recipient","text",recipient)
recipient = None
out = None
while out is None:
event = droid.eventWait().result
print "got event in payto loop", event
if event["name"] == "click":
id = event["data"]["id"]
if id=="buttonPay":
droid.fullQuery()
recipient = droid.fullQueryDetail("recipient").result.get('text')
label = droid.fullQueryDetail("label").result.get('text')
amount = droid.fullQueryDetail('amount').result.get('text')
if not wallet.is_valid(recipient):
modal_dialog('Error','Invalid Bitcoin address')
continue
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try:
amount = int( 100000000 * Decimal(amount) )
except:
modal_dialog('Error','Invalid amount')
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continue
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result = pay_to(recipient, amount, wallet.fee, label)
if result:
out = 'main'
elif id=="buttonContacts":
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addr = select_from_contacts()
droid.fullSetProperty("recipient","text",addr)
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elif id=="buttonQR":
code = droid.scanBarcode()
r = code.result
if r:
data = r['extras']['SCAN_RESULT']
if data:
if re.match('^bitcoin:', data):
payto, amount, label, _, _, _, _ = wallet.parse_url(data, None, None)
droid.fullSetProperty("recipient", "text",payto)
droid.fullSetProperty("amount", "text", amount)
droid.fullSetProperty("label", "text", label)
else:
droid.fullSetProperty("recipient", "text", data)
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elif event["name"] in menu_commands:
out = event["name"]
elif event["name"]=="key":
if event["data"]["key"] == '4':
out = 'main'
#elif event["name"]=="screen":
# if event["data"]=="destroy":
# out = 'main'
return out
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receive_addr = ''
contact_addr = ''
recipient = ''
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def receive_loop():
out = None
while out is None:
event = droid.eventWait().result
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print "got event", event
if event["name"]=="key":
if event["data"]["key"] == '4':
out = 'main'
elif event["name"]=="clipboard":
droid.setClipboard(receive_addr)
modal_dialog('Address copied to clipboard',receive_addr)
elif event["name"]=="edit":
edit_label(receive_addr)
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return out
def contacts_loop():
global recipient
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out = None
while out is None:
event = droid.eventWait().result
print "got event", event
if event["name"]=="key":
if event["data"]["key"] == '4':
out = 'main'
elif event["name"]=="clipboard":
droid.setClipboard(contact_addr)
modal_dialog('Address copied to clipboard',contact_addr)
elif event["name"]=="edit":
edit_label(contact_addr)
elif event["name"]=="paytocontact":
recipient = contact_addr
out = 'send'
elif event["name"]=="deletecontact":
if modal_question('delete contact', contact_addr):
out = 'main'
return out
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def server_dialog(plist):
droid.dialogCreateAlert("Public servers")
droid.dialogSetItems( plist.keys() )
droid.dialogSetPositiveButtonText('Private server')
droid.dialogShow()
response = droid.dialogGetResponse().result
droid.dialogDismiss()
if response.get('which') == 'positive':
return modal_input('Private server', None)
i = response.get('item')
if i is not None:
response = plist.keys()[i]
return response
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13 years ago
def seed_dialog():
if wallet.use_encryption:
password = droid.dialogGetPassword('Seed').result
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if not password: return
else:
password = None
try:
seed = wallet.pw_decode( wallet.seed, password)
except:
modal_dialog('error','incorrect password')
return
modal_dialog('Your seed is',seed)
modal_dialog('Mnemonic code:', ' '.join(mnemonic.mn_encode(seed)) )
def change_password_dialog():
if wallet.use_encryption:
password = droid.dialogGetPassword('Your wallet is encrypted').result
if password is None: return
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else:
password = None
try:
seed = wallet.pw_decode( wallet.seed, password)
except:
modal_dialog('error','incorrect password')
return
new_password = droid.dialogGetPassword('Choose a password').result
if new_password == None:
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return
if new_password != '':
password2 = droid.dialogGetPassword('Confirm new password').result
if new_password != password2:
modal_dialog('error','passwords do not match')
return
wallet.update_password(seed, password, new_password)
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if new_password:
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modal_dialog('Password updated','your wallet is encrypted')
else:
modal_dialog('No password','your wallet is not encrypted')
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return True
def settings_loop():
def set_listview():
server, port, p = wallet.server.split(':')
fee = str( Decimal( wallet.fee)/100000000 )
is_encrypted = 'yes' if wallet.use_encryption else 'no'
protocol = protocol_name(p)
droid.fullShow(settings_layout)
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droid.fullSetList("myListView",['Server: ' + server, 'Protocol: '+ protocol, 'Port: '+port, 'Transaction fee: '+fee, 'Password: '+is_encrypted, 'Seed'])
set_listview()
out = None
while out is None:
event = droid.eventWait().result
print "got event", event
if event == 'OK': continue
if not event: continue
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plist = {}
for item in wallet.interface.servers:
host, pp = item
z = {}
for item2 in pp:
protocol, port = item2
z[protocol] = port
plist[host] = z
if event["name"] == "itemclick":
pos = event["data"]["position"]
host, port, protocol = wallet.server.split(':')
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if pos == "0": #server
host = server_dialog(plist)
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if host:
p = plist[host]
port = p['t']
srv = host + ':' + port + ':t'
try:
wallet.set_server(srv)
except:
modal_dialog('error','invalid server')
set_listview()
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elif pos == "1": #protocol
if host in plist:
srv = protocol_dialog(host, protocol, plist[host])
if srv:
try:
wallet.set_server(srv)
except:
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modal_dialog('error','invalid server')
set_listview()
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elif pos == "2": #port
a_port = modal_input('Port number', 'If you use a public server, this field is set automatically when you set the protocol', port, "number")
if a_port:
if a_port != port:
srv = host + ':' + a_port + ':'+ protocol
try:
wallet.set_server(srv)
except:
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modal_dialog('error','invalid port number')
set_listview()
elif pos == "3": #fee
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fee = modal_input('Transaction fee', 'The fee will be this amount multiplied by the number of inputs in your transaction. ', str( Decimal( wallet.fee)/100000000 ), "numberDecimal")
if fee:
try:
fee = int( 100000000 * Decimal(fee) )
except:
modal_dialog('error','invalid fee value')
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if wallet.fee != fee:
wallet.fee = fee
wallet.save()
set_listview()
elif pos == "4":
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if change_password_dialog():
set_listview()
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elif pos == "5":
seed_dialog()
13 years ago
13 years ago
elif event["name"] in menu_commands:
out = event["name"]
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elif event["name"] == 'cancel':
out = 'main'
elif event["name"] == "key":
if event["data"]["key"] == '4':
out = 'main'
return out
13 years ago
menu_commands = ["send", "receive", "settings", "contacts", "main"]
droid = android.Android()
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wallet = Wallet(update_callback)
wallet.set_path("/sdcard/electrum.dat")
wallet.read()
if not wallet.file_exists:
recover()
else:
WalletSynchronizer(wallet,True).start()
s = 'main'
def add_menu(s):
droid.clearOptionsMenu()
if s == 'main':
droid.addOptionsMenuItem("Send","send",None,"")
droid.addOptionsMenuItem("Receive","receive",None,"")
droid.addOptionsMenuItem("Contacts","contacts",None,"")
droid.addOptionsMenuItem("Settings","settings",None,"")
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elif s == 'receive':
droid.addOptionsMenuItem("Copy","clipboard",None,"")
droid.addOptionsMenuItem("Label","edit",None,"")
elif s == 'contacts':
droid.addOptionsMenuItem("Copy","clipboard",None,"")
droid.addOptionsMenuItem("Label","edit",None,"")
droid.addOptionsMenuItem("Pay to","paytocontact",None,"")
#droid.addOptionsMenuItem("Delete","deletecontact",None,"")
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def make_bitmap(addr):
# fixme: this is highly inefficient
droid.dialogCreateSpinnerProgress("please wait")
droid.dialogShow()
try:
import pyqrnative, bmp
qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.L)
qr.addData(addr)
qr.make()
k = qr.getModuleCount()
assert k == 33
bmp.save_qrcode(qr,"/sdcard/sl4a/qrcode.bmp")
finally:
droid.dialogDismiss()
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while True:
add_menu(s)
if s == 'main':
droid.fullShow(main_layout())
s = main_loop()
#droid.fullDismiss()
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elif s == 'send':
droid.fullShow(payto_layout)
s = payto_loop()
#droid.fullDismiss()
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elif s == 'receive':
make_bitmap(receive_addr)
droid.fullShow(qr_layout(receive_addr))
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s = receive_loop()
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elif s == 'contacts':
make_bitmap(contact_addr)
droid.fullShow(qr_layout(contact_addr))
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s = contacts_loop()
elif s == 'settings':
#droid.fullShow(settings_layout)
s = settings_loop()
#droid.fullDismiss()
else:
break
droid.makeToast("Bye!")