Add multiple change output preference

Limit to 3 if enabled.
This commit is contained in:
Neil Booth 2016-01-15 14:54:26 +09:00
parent f271f65842
commit 641f23229d
2 changed files with 19 additions and 2 deletions

View File

@ -2744,9 +2744,23 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
if self.wallet.use_change != usechange_result:
self.wallet.use_change = usechange_result
self.wallet.storage.put('use_change', self.wallet.use_change)
multiple_cb.setEnabled(self.wallet.use_change)
usechange_cb.stateChanged.connect(on_usechange)
usechange_cb.setToolTip(_('Using change addresses makes it more difficult for other people to track your transactions.'))
tx_widgets.append((usechange_cb, None))
def on_multiple(x):
multiple = x == Qt.Checked
if self.wallet.multiple_change != multiple:
self.wallet.multiple_change = multiple
self.wallet.storage.put('multiple_change', multiple)
multiple_change = self.wallet.multiple_change
multiple_cb = QCheckBox(_('Multiple'))
multiple_cb.setEnabled(self.wallet.use_change)
multiple_cb.setToolTip(_('If appropriate, and the "privacy" coin chooser is selected, use up to 3 change addresses.'))
multiple_cb.setChecked(multiple_change)
multiple_cb.stateChanged.connect(on_multiple)
tx_widgets.append((usechange_cb, multiple_cb))
showtx_cb = QCheckBox(_('View transaction before signing'))
showtx_cb.setChecked(self.show_before_broadcast())

View File

@ -159,6 +159,8 @@ class Abstract_Wallet(PrintError):
# saved fields
self.seed_version = storage.get('seed_version', NEW_SEED_VERSION)
self.use_change = storage.get('use_change',True)
self.multiple_change = storage.get('multiple_change', False)
self.use_encryption = storage.get('use_encryption', False)
self.seed = storage.get('seed', '') # encrypted
self.labels = storage.get('labels', {})
@ -973,8 +975,9 @@ class Abstract_Wallet(PrintError):
return tx
# Let the coin chooser select the coins to spend
max_change = 3 if self.multiple_change else 1
coin_chooser = self.coin_chooser(config)
tx = coin_chooser.make_tx(coins, outputs, change_addrs,
tx = coin_chooser.make_tx(coins, outputs, change_addrs[:max_change],
fee_estimator, dust_threshold)
# Sort the inputs and outputs deterministically