def export_to_file(self, *, tx: Transaction = None):
if tx is None:
tx = self.tx
if isinstance(tx, PartialTransaction):
tx.finalize_psbt()
if tx.is_complete():
name = 'signed_%s' % (tx.txid()[0:8])
extension = 'txn'
default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_COMPLETE_TX
else:
name = self.wallet.basename() + time.strftime('-%Y%m%d-%H%M')
extension = 'psbt'
default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_PARTIAL_TX
name = f'{name}.{extension}'
fileName = self.main_window.getSaveFileName(_("Select where to save your transaction"),
name,
TRANSACTION_FILE_EXTENSION_FILTER_SEPARATE,
default_extension=extension,
default_filter=default_filter)
if not fileName:
return
if tx.is_complete(): # network tx hex
with open(fileName, "w+") as f:
network_tx_hex = tx.serialize_to_network()
f.write(network_tx_hex + '\n')
else: # if partial: PSBT bytes
assert isinstance(tx, PartialTransaction)
with open(fileName, "wb+") as f:
f.write(tx.serialize_as_bytes())
self.show_message(_("Transaction exported successfully"))
self.saved = True
def show_qr(self, *, tx: Transaction = None):
if tx is None:
tx = self.tx
tx = copy.deepcopy(tx) # make copy as we mutate tx
if isinstance(tx, PartialTransaction):
# this makes QR codes a lot smaller (or just possible in the first place!)
tx.convert_all_utxos_to_witness_utxos()
text = tx.serialize_as_bytes()
text = base_encode(text, base=43)
try:
self.main_window.show_qrcode(text, 'Transaction', parent=self)
except qrcode.exceptions.DataOverflowError:
self.show_error(_('Failed to display QR code.') + '\n' +
_('Transaction is too large in size.'))
except Exception as e:
self.show_error(_('Failed to display QR code.') + '\n' + repr(e))
def export_to_file(self, *, tx: Transaction = None):
if tx is None:
tx = self.tx
if isinstance(tx, PartialTransaction):
tx.finalize_psbt()
txid = tx.txid()
suffix = txid[0:8] if txid is not None else time.strftime(
'%Y%m%d-%H%M')
if tx.is_complete():
extension = 'txn'
default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_COMPLETE_TX
else:
extension = 'psbt'
default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_PARTIAL_TX
name = f'{self.wallet.basename()}-{suffix}.{extension}'
fileName = getSaveFileName(
parent=self,
title=_("Select where to save your transaction"),
filename=name,
filter=TRANSACTION_FILE_EXTENSION_FILTER_SEPARATE,
default_extension=extension,
default_filter=default_filter,
config=self.config,
)
if not fileName:
return
if tx.is_complete(): # network tx hex
with open(fileName, "w+") as f:
network_tx_hex = tx.serialize_to_network()
f.write(network_tx_hex + '\n')
else: # if partial: PSBT bytes
assert isinstance(tx, PartialTransaction)
with open(fileName, "wb+") as f:
f.write(tx.serialize_as_bytes())
self.show_message(_("Transaction exported successfully"))
self.saved = True