tkivy tx dialog: allow removing local transactions - electrum - Electrum Bitcoin wallet
 (HTM) git clone https://git.parazyd.org/electrum
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       ---
 (DIR) commit 914d02ecd33fc9395ee091f57448f61473b7e775
 (DIR) parent 8d0ec1dec01933434f733b7e401ed7e06f26a1fd
 (HTM) Author: SomberNight <somber.night@protonmail.com>
       Date:   Sun, 21 Apr 2019 03:26:54 +0200
       
       kivy tx dialog: allow removing local transactions
       
       fixes #5156
       
       Diffstat:
         M electrum/gui/kivy/uix/dialogs/tx_d… |      23 +++++++++++++++++++++++
       
       1 file changed, 23 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/electrum/gui/kivy/uix/dialogs/tx_dialog.py b/electrum/gui/kivy/uix/dialogs/tx_dialog.py
       t@@ -14,6 +14,7 @@ from .question import Question
        from electrum.gui.kivy.i18n import _
        
        from electrum.util import InvalidPassword
       +from electrum.address_synchronizer import TX_HEIGHT_LOCAL
        
        
        Builder.load_string('''
       t@@ -143,6 +144,7 @@ class TxDialog(Factory.Popup):
                self.fee_str = format_amount(fee) if fee is not None else _('unknown')
                self.can_sign = self.wallet.can_sign(self.tx)
                self.ids.output_list.update(self.tx.get_outputs_for_UI())
       +        self.is_local_tx = height == TX_HEIGHT_LOCAL
                self.update_action_button()
        
            def update_action_button(self):
       t@@ -151,6 +153,7 @@ class TxDialog(Factory.Popup):
                    ActionButtonOption(text=_('Sign'), func=lambda btn: self.do_sign(), enabled=self.can_sign),
                    ActionButtonOption(text=_('Broadcast'), func=lambda btn: self.do_broadcast(), enabled=self.can_broadcast),
                    ActionButtonOption(text=_('Bump fee'), func=lambda btn: self.do_rbf(), enabled=self.can_rbf),
       +            ActionButtonOption(text=_('Remove'), func=lambda btn: self.remove_local_tx(), enabled=self.is_local_tx),
                )
                num_options = sum(map(lambda o: bool(o.enabled), options))
                # if no options available, hide button
       t@@ -233,3 +236,23 @@ class TxDialog(Factory.Popup):
                text = bfh(raw_tx)
                text = base_encode(text, base=43)
                self.app.qr_dialog(_("Raw Transaction"), text, text_for_clipboard=raw_tx)
       +
       +    def remove_local_tx(self):
       +        txid = self.tx.txid()
       +        to_delete = {txid}
       +        to_delete |= self.wallet.get_depending_transactions(txid)
       +        question = _("Are you sure you want to remove this transaction?")
       +        if len(to_delete) > 1:
       +            question = _(
       +                "Are you sure you want to remove this transaction and {} child transactions?".format(len(to_delete) - 1)
       +            )
       +
       +        def on_prompt(b):
       +            if b:
       +                for tx in to_delete:
       +                    self.wallet.remove_transaction(tx)
       +                self.wallet.storage.write()
       +                self.app._trigger_update_wallet()  # FIXME private...
       +                self.dismiss()
       +        d = Question(question, on_prompt)
       +        d.open()