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qt seed completer: colour words yellow if only in old electrum list

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Some people complained that due to merging the two word lists,
it is difficult to restore from a metal backup, as they planned
to rely on the "4 letter prefixes are unique in bip39 word list" property.
So we colour words that are only in old list.
This commit is contained in:
SomberNight 2019-06-08 15:37:49 +02:00
parent 5c83df7709
commit 7120c344b2
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GPG key ID: B33B5F232C6271E9
1 changed files with 21 additions and 6 deletions
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27
electrum/gui/qt/seed_dialog.py
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@ -24,16 +24,16 @@
# SOFTWARE.
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QPixmap
from PyQt5.QtGui import QPixmap, QPalette
from PyQt5.QtWidgets import (QVBoxLayout, QCheckBox, QHBoxLayout, QLineEdit,
QLabel, QCompleter, QDialog)
QLabel, QCompleter, QDialog, QStyledItemDelegate)
from electrum.i18n import _
from electrum.mnemonic import Mnemonic, seed_type
import electrum.old_mnemonic
from .util import (Buttons, OkButton, WWLabel, ButtonsTextEdit, icon_path,
EnterButton, CloseButton, WindowModalDialog)
EnterButton, CloseButton, WindowModalDialog, ColorScheme)
from .qrtextedit import ShowQRTextEdit, ScanQRTextEdit
from .completion_text_edit import CompletionTextEdit
@ -149,11 +149,26 @@ class SeedLayout(QVBoxLayout):
self.addWidget(self.seed_warning)
def initialize_completer(self):
english_list = Mnemonic('en').wordlist
bip39_english_list = Mnemonic('en').wordlist
old_list = electrum.old_mnemonic.words
self.wordlist = english_list + list(set(old_list) - set(english_list)) #concat both lists
only_old_list = set(old_list) - set(bip39_english_list)
self.wordlist = bip39_english_list + list(only_old_list) # concat both lists
self.wordlist.sort()
class CompleterDelegate(QStyledItemDelegate):
def initStyleOption(self, option, index):
super().initStyleOption(option, index)
# Some people complained that due to merging the two word lists,
# it is difficult to restore from a metal backup, as they planned
# to rely on the "4 letter prefixes are unique in bip39 word list" property.
# So we color words that are only in old list.
if option.text in only_old_list:
# yellow bg looks ~ok on both light/dark theme, regardless if (un)selected
option.backgroundBrush = ColorScheme.YELLOW.as_color(background=True)
self.completer = QCompleter(self.wordlist)
delegate = CompleterDelegate(self.seed_e)
self.completer.popup().setItemDelegate(delegate)
self.seed_e.set_completer(self.completer)
def get_seed(self):
@ -174,7 +189,7 @@ class SeedLayout(QVBoxLayout):
self.seed_type_label.setText(label)
self.parent.next_button.setEnabled(b)
# to account for bip39 seeds
# disable suggestions if user already typed an unknown word
for word in self.get_seed().split(" ")[:-1]:
if word not in self.wordlist:
self.seed_e.disable_suggestions()