def create_inputs_tab(self):
form = QFormLayout()
self.inputs_tree = InputsTree()
self.inputs_tree.view.setWhatsThis(
'The inputs of your transaction are displayed here.')
self.inputs_editor = InputsEditor(self.handler.gui, self.inputs_tree)
self.inputs_editor.setEnabled(False)
def update_enabled_widgets():
num_inputs = len(self.inputs_tree.get_inputs())
self.inputs_editor.setEnabled(num_inputs > 0)
def add_input():
outpoint = CMutableOutPoint(n=0)
new_input = CMutableTxIn(prevout=outpoint)
self.inputs_tree.add_input(new_input)
update_enabled_widgets()
if len(self.inputs_tree.get_inputs()) > 0:
self.inputs_tree.view.selectRow(
self.inputs_tree.model.rowCount() - 1)
update_enabled_widgets()
add_input_button = QPushButton('New input')
add_input_button.setToolTip('Add a new input')
add_input_button.setWhatsThis(
'Clicking this button will add a new input to your transaction.')
add_input_button.clicked.connect(add_input)
form.addRow(self.inputs_tree)
form.addRow(Separator())
form.addRow(self.inputs_editor)
form.addRow(Separator())
form.addRow(floated_buttons([add_input_button]))
w = QWidget()
w.setLayout(form)
return w
def create_inputs_tab(self):
form = QFormLayout()
self.inputs_tree = InputsTree()
self.inputs_tree.view.setWhatsThis('The inputs of your transaction are displayed here.')
self.inputs_editor = InputsEditor(self.handler.gui, self.inputs_tree)
self.inputs_editor.setEnabled(False)
def update_enabled_widgets():
num_inputs = len(self.inputs_tree.get_inputs())
self.inputs_editor.setEnabled(num_inputs > 0)
def add_input():
outpoint = CMutableOutPoint(n=0)
new_input = CMutableTxIn(prevout=outpoint)
self.inputs_tree.add_input(new_input)
update_enabled_widgets()
if len(self.inputs_tree.get_inputs()) > 0:
self.inputs_tree.view.selectRow(self.inputs_tree.model.rowCount() - 1)
update_enabled_widgets()
add_input_button = QPushButton('New input')
add_input_button.setToolTip('Add a new input')
add_input_button.setWhatsThis('Clicking this button will add a new input to your transaction.')
add_input_button.clicked.connect(add_input)
form.addRow(self.inputs_tree)
form.addRow(Separator())
form.addRow(self.inputs_editor)
form.addRow(Separator())
form.addRow(floated_buttons([add_input_button]))
w = QWidget()
w.setLayout(form)
return w
class TxBuilder(BaseDock):
tool_name = 'Transaction Builder'
description = 'Transaction Builder helps you create transactions.'
is_large = True
category = Category.Tx
def __init__(self, handler):
super(TxBuilder, self).__init__(handler)
self.raw_tx.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.raw_tx.customContextMenuRequested.connect(self.context_menu)
@augmenter
def item_actions(self, *args):
return [
ItemAction(self.tool_name, 'Transaction', 'Edit',
self.deserialize_item)
]
def init_data(self):
self.tx = None
def create_layout(self):
vbox = QVBoxLayout()
self.tabs = tabs = QTabWidget()
tabs.addTab(self.create_version_locktime_tab(), '&Version/Locktime')
tabs.addTab(self.create_inputs_tab(), '&Inputs')
tabs.addTab(self.create_outputs_tab(), '&Outputs')
tabs.addTab(self.create_review_tab(), '&Review')
tabs.addTab(self.create_sign_tab(), 'Sig&n')
self.setFocusProxy(self.tabs)
self.tx_field_widgets = []
tabs.insertTab(3, self.create_other_tab(), 'Ot&her')
self.adjust_tx_fields()
# Build the tx if the Review tab is selected.
def maybe_build(i):
if str(tabs.tabText(i)) == '&Review' or str(
tabs.tabText(i)) == 'Sig&n':
self.build_transaction()
tabs.currentChanged.connect(maybe_build)
vbox.addWidget(tabs)
return vbox
def context_menu(self, position):
menu = self.raw_tx.createStandardContextMenu(position)
txt = str(self.raw_tx.toPlainText())
if txt:
self.handler.add_plugin_actions(self, menu, txt)
menu.exec_(self.raw_tx.viewport().mapToGlobal(position))
def create_version_locktime_tab(self):
form = QFormLayout()
self.version_edit = AmountEdit()
self.version_edit.setText('1')
self.version_edit.setWhatsThis(
'Use this field to specify the version of your transaction. In Bitcoin, transactions are currently version 1.'
)
self.locktime_edit = AmountEdit()
self.locktime_edit.setText('0')
self.locktime_edit.setWhatsThis(
'Use this field to specify the locktime of your transaction. For most common transactions, locktime is zero.'
)
version_desc = QLabel(
'A transaction\'s version determines how it is interpreted.\n\nBitcoin transactions are currently version 1.'
)
locktime_desc = QLabel(
'A transaction\'s locktime defines the earliest time or block that it may be added to the blockchain.\n\nLocktime only applies if it\'s non-zero and at least one input has a Sequence that\'s not the maximum possible value.'
)
for i in [version_desc, locktime_desc]:
i.setWordWrap(True)
for i in [self.version_edit, self.locktime_edit]:
i.setFont(monospace_font)
form.addRow(version_desc)
form.addRow('Version:', self.version_edit)
form.addRow(Separator())
form.addRow(locktime_desc)
form.addRow('Locktime:', self.locktime_edit)
w = QWidget()
w.setLayout(form)
return w
def create_inputs_tab(self):
form = QFormLayout()
self.inputs_tree = InputsTree()
self.inputs_tree.view.setWhatsThis(
'The inputs of your transaction are displayed here.')
self.inputs_editor = InputsEditor(self.handler.gui, self.inputs_tree)
self.inputs_editor.setEnabled(False)
def update_enabled_widgets():
num_inputs = len(self.inputs_tree.get_inputs())
self.inputs_editor.setEnabled(num_inputs > 0)
def add_input():
outpoint = CMutableOutPoint(n=0)
new_input = CMutableTxIn(prevout=outpoint)
self.inputs_tree.add_input(new_input)
update_enabled_widgets()
if len(self.inputs_tree.get_inputs()) > 0:
self.inputs_tree.view.selectRow(
self.inputs_tree.model.rowCount() - 1)
update_enabled_widgets()
add_input_button = QPushButton('New input')
add_input_button.setToolTip('Add a new input')
add_input_button.setWhatsThis(
'Clicking this button will add a new input to your transaction.')
add_input_button.clicked.connect(add_input)
form.addRow(self.inputs_tree)
form.addRow(Separator())
form.addRow(self.inputs_editor)
form.addRow(Separator())
form.addRow(floated_buttons([add_input_button]))
w = QWidget()
w.setLayout(form)
return w
def create_outputs_tab(self):
form = QFormLayout()
self.outputs_tree = OutputsTree()
self.outputs_tree.view.setWhatsThis(
'The outputs of your transaction are displayed here.')
self.outputs_editor = OutputsEditor(self.handler.gui,
self.outputs_tree)
self.outputs_editor.setEnabled(False)
def update_enabled_widgets():
num_outputs = len(self.outputs_tree.get_outputs())
self.outputs_editor.setEnabled(num_outputs > 0)
def add_output():
new_output = CMutableTxOut(0)
self.outputs_tree.add_output(new_output)
update_enabled_widgets()
if len(self.outputs_tree.get_outputs()) > 0:
self.outputs_tree.view.selectRow(
self.outputs_tree.model.rowCount() - 1)
update_enabled_widgets()
add_output_button = QPushButton('New output')
add_output_button.setToolTip('Add a new output')
add_output_button.setWhatsThis(
'Clicking this button will add a new output to your transaction.')
add_output_button.clicked.connect(add_output)
form.addRow(self.outputs_tree)
form.addRow(Separator())
form.addRow(self.outputs_editor)
form.addRow(Separator())
form.addRow(floated_buttons([add_output_button]))
w = QWidget()
w.setLayout(form)
return w
def create_review_tab(self):
form = QFormLayout()
self.raw_tx = QTextEdit()
self.raw_tx.setWhatsThis(
'The transaction you build is displayed here.')
self.raw_tx.setReadOnly(True)
self.tx_widget = TxWidget()
form.addRow('Raw Tx:', self.raw_tx)
form.addRow(self.tx_widget)
w = QWidget()
w.setLayout(form)
return w
def create_other_tab(self):
self.tx_fields_layout = QFormLayout()
w = QWidget()
w.setLayout(self.tx_fields_layout)
return w
def create_sign_tab(self):
self.sighash_widget = SigHashWidget(self)
return self.sighash_widget
def deserialize_item(self, item):
self.deserialize_raw(item.raw())
def deserialize_raw(self, rawtx):
"""Update editor widgets with rawtx's data."""
self.needsFocus.emit()
try:
tx = Transaction.deserialize(x(rawtx))
except Exception:
return
else:
self.version_edit.set_amount(tx.nVersion)
self.inputs_tree.model.set_tx(tx)
self.outputs_tree.model.set_tx(tx)
self.locktime_edit.set_amount(tx.nLockTime)
for name, w in self.tx_field_widgets:
if name in ['nVersion', 'vin', 'vout', 'nLockTime']:
continue
try:
value = getattr(tx, name)
except AttributeError:
continue
if isinstance(w, AmountEdit):
w.set_amount(value)
else:
w.setText(str(value))
self.build_transaction()
def build_transaction(self):
self.tx_widget.clear()
self.sighash_widget.clear()
self.tx = tx = Transaction()
tx.nVersion = self.version_edit.get_amount()
tx.vin = self.inputs_tree.get_inputs()
tx.vout = self.outputs_tree.get_outputs()
tx.nLockTime = self.locktime_edit.get_amount()
for name, w in self.tx_field_widgets:
if not name in [field[0] for field in tx.fields]:
continue
value = str(w.text())
default = getattr(tx, name)
if isinstance(default, int):
value = w.get_amount()
setattr(tx, name, value)
self.raw_tx.setText(bitcoin.core.b2x(tx.serialize()))
self.tx_widget.set_tx(tx)
self.sighash_widget.set_tx(tx)
def on_option_changed(self, key):
if key == 'chainparams':
self.needsUpdate.emit()
def adjust_tx_fields(self):
"""Show or hide tx field widgets."""
tx_fields = chainparams.get_tx_fields()
for field in tx_fields:
name = field[0]
if name in ['nVersion', 'vin', 'vout', 'nLockTime']:
continue
default_value = field[3]
if name not in [j[0] for j in self.tx_field_widgets]:
widget = QLineEdit()
if isinstance(default_value, int):
# Special case for timestamp fields.
if name == 'Timestamp':
widget = TimestampWidget()
widget.timestamp_raw.setReadOnly(False)
else:
widget = AmountEdit()
widget.setText(str(default_value))
label = QLabel(''.join([name, ':']))
self.tx_field_widgets.append((name, widget))
self.tx_fields_layout.addRow(label, widget)
tx_field_names = [i[0] for i in tx_fields]
for name, w in self.tx_field_widgets:
l = self.tx_fields_layout.labelForField(w)
if name in tx_field_names:
w.show()
l.show()
else:
w.hide()
l.hide()
if tx_field_names == ['nVersion', 'vin', 'vout', 'nLockTime']:
self.tabs.setTabEnabled(3, False)
else:
self.tabs.setTabEnabled(3, True)
def refresh_data(self):
self.adjust_tx_fields()
self.build_transaction()
class TxBuilder(BaseDock):
tool_name = 'Transaction Builder'
description = 'Transaction Builder helps you create transactions.'
is_large = True
category = Category.Tx
def __init__(self, handler):
super(TxBuilder, self).__init__(handler)
self.raw_tx.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.raw_tx.customContextMenuRequested.connect(self.context_menu)
@augmenter
def item_actions(self, *args):
return [ItemAction(self.tool_name, 'Transaction', 'Edit', self.deserialize_item)]
def init_data(self):
self.tx = None
def create_layout(self):
vbox = QVBoxLayout()
self.tabs = tabs = QTabWidget()
tabs.addTab(self.create_version_locktime_tab(), '&Version/Locktime')
tabs.addTab(self.create_inputs_tab(), '&Inputs')
tabs.addTab(self.create_outputs_tab(), '&Outputs')
tabs.addTab(self.create_review_tab(), '&Review')
self.setFocusProxy(self.tabs)
self.tx_field_widgets = []
tabs.insertTab(3, self.create_other_tab(), 'Ot&her')
self.adjust_tx_fields()
# Build the tx if the Review tab is selected.
def maybe_build(i):
if str(tabs.tabText(i)) == '&Review':
self.build_transaction()
tabs.currentChanged.connect(maybe_build)
vbox.addWidget(tabs)
return vbox
def context_menu(self, position):
menu = self.raw_tx.createStandardContextMenu(position)
txt = str(self.raw_tx.toPlainText())
if txt:
self.handler.add_plugin_actions(self, menu, txt)
menu.exec_(self.raw_tx.viewport().mapToGlobal(position))
def create_version_locktime_tab(self):
form = QFormLayout()
self.version_edit = AmountEdit()
self.version_edit.setText('1')
self.version_edit.setWhatsThis('Use this field to specify the version of your transaction. In Bitcoin, transactions are currently version 1.')
self.locktime_edit = AmountEdit()
self.locktime_edit.setText('0')
self.locktime_edit.setWhatsThis('Use this field to specify the locktime of your transaction. For most common transactions, locktime is zero.')
version_desc = QLabel('A transaction\'s version determines how it is interpreted.\n\nBitcoin transactions are currently version 1.')
locktime_desc = QLabel('A transaction\'s locktime defines the earliest time or block that it may be added to the blockchain.\n\nLocktime only applies if it\'s non-zero and at least one input has a Sequence that\'s not the maximum possible value.')
for i in [version_desc, locktime_desc]:
i.setWordWrap(True)
for i in [self.version_edit, self.locktime_edit]:
i.setFont(monospace_font)
form.addRow(version_desc)
form.addRow('Version:', self.version_edit)
form.addRow(Separator())
form.addRow(locktime_desc)
form.addRow('Locktime:', self.locktime_edit)
w = QWidget()
w.setLayout(form)
return w
def create_inputs_tab(self):
form = QFormLayout()
self.inputs_tree = InputsTree()
self.inputs_tree.view.setWhatsThis('The inputs of your transaction are displayed here.')
self.inputs_editor = InputsEditor(self.handler.gui, self.inputs_tree)
self.inputs_editor.setEnabled(False)
def update_enabled_widgets():
num_inputs = len(self.inputs_tree.get_inputs())
self.inputs_editor.setEnabled(num_inputs > 0)
def add_input():
outpoint = CMutableOutPoint(n=0)
new_input = CMutableTxIn(prevout=outpoint)
self.inputs_tree.add_input(new_input)
update_enabled_widgets()
if len(self.inputs_tree.get_inputs()) > 0:
self.inputs_tree.view.selectRow(self.inputs_tree.model.rowCount() - 1)
update_enabled_widgets()
add_input_button = QPushButton('New input')
add_input_button.setToolTip('Add a new input')
add_input_button.setWhatsThis('Clicking this button will add a new input to your transaction.')
add_input_button.clicked.connect(add_input)
form.addRow(self.inputs_tree)
form.addRow(Separator())
form.addRow(self.inputs_editor)
form.addRow(Separator())
form.addRow(floated_buttons([add_input_button]))
w = QWidget()
w.setLayout(form)
return w
def create_outputs_tab(self):
form = QFormLayout()
self.outputs_tree = OutputsTree()
self.outputs_tree.view.setWhatsThis('The outputs of your transaction are displayed here.')
self.outputs_editor = OutputsEditor(self.handler.gui, self.outputs_tree)
self.outputs_editor.setEnabled(False)
def update_enabled_widgets():
num_outputs = len(self.outputs_tree.get_outputs())
self.outputs_editor.setEnabled(num_outputs > 0)
def add_output():
new_output = CMutableTxOut(0)
self.outputs_tree.add_output(new_output)
update_enabled_widgets()
if len(self.outputs_tree.get_outputs()) > 0:
self.outputs_tree.view.selectRow(self.outputs_tree.model.rowCount() - 1)
update_enabled_widgets()
add_output_button = QPushButton('New output')
add_output_button.setToolTip('Add a new output')
add_output_button.setWhatsThis('Clicking this button will add a new output to your transaction.')
add_output_button.clicked.connect(add_output)
form.addRow(self.outputs_tree)
form.addRow(Separator())
form.addRow(self.outputs_editor)
form.addRow(Separator())
form.addRow(floated_buttons([add_output_button]))
w = QWidget()
w.setLayout(form)
return w
def create_review_tab(self):
form = QFormLayout()
self.raw_tx = QTextEdit()
self.raw_tx.setWhatsThis('The transaction you build is displayed here.')
self.raw_tx.setReadOnly(True)
self.tx_widget = TxWidget()
form.addRow('Raw Tx:', self.raw_tx)
form.addRow(self.tx_widget)
w = QWidget()
w.setLayout(form)
return w
def create_other_tab(self):
self.tx_fields_layout = QFormLayout()
w = QWidget()
w.setLayout(self.tx_fields_layout)
return w
def deserialize_item(self, item):
self.deserialize_raw(item.raw())
def deserialize_raw(self, rawtx):
"""Update editor widgets with rawtx's data."""
self.needsFocus.emit()
try:
tx = Transaction.deserialize(x(rawtx))
except Exception:
return
else:
self.version_edit.set_amount(tx.nVersion)
self.inputs_tree.model.set_tx(tx)
self.outputs_tree.model.set_tx(tx)
self.locktime_edit.set_amount(tx.nLockTime)
for name, w in self.tx_field_widgets:
if name in ['nVersion', 'vin', 'vout', 'nLockTime']:
continue
try:
value = getattr(tx, name)
except AttributeError:
continue
if isinstance(w, AmountEdit):
w.set_amount(value)
else:
w.setText(str(value))
self.build_transaction()
def build_transaction(self):
self.tx_widget.clear()
self.tx = tx = Transaction()
tx.nVersion = self.version_edit.get_amount()
tx.vin = self.inputs_tree.get_inputs()
tx.vout = self.outputs_tree.get_outputs()
tx.nLockTime = self.locktime_edit.get_amount()
for name, w in self.tx_field_widgets:
if not name in [field[0] for field in tx.fields]:
continue
value = str(w.text())
default = getattr(tx, name)
if isinstance(default, int):
value = w.get_amount()
setattr(tx, name, value)
self.raw_tx.setText(bitcoin.core.b2x(tx.serialize()))
self.tx_widget.set_tx(tx)
def on_option_changed(self, key):
if key in ['chainparams']:
self.needsUpdate.emit()
def adjust_tx_fields(self):
"""Show or hide tx field widgets."""
tx_fields = chainparams.get_tx_fields()
for field in tx_fields:
name = field[0]
if name in ['nVersion', 'vin', 'vout', 'nLockTime']:
continue
default_value = field[3]
if name not in [j[0] for j in self.tx_field_widgets]:
widget = QLineEdit()
if isinstance(default_value, int):
# Special case for timestamp fields.
if name == 'Timestamp':
widget = TimestampWidget()
widget.timestamp_raw.setReadOnly(False)
else:
widget = AmountEdit()
widget.setText(str(default_value))
label = QLabel(''.join([name, ':']))
self.tx_field_widgets.append((name, widget))
self.tx_fields_layout.addRow(label, widget)
tx_field_names = [i[0] for i in tx_fields]
for name, w in self.tx_field_widgets:
l = self.tx_fields_layout.labelForField(w)
if name in tx_field_names:
w.show()
l.show()
else:
w.hide()
l.hide()
if tx_field_names == ['nVersion', 'vin', 'vout', 'nLockTime']:
self.tabs.setTabEnabled(3, False)
else:
self.tabs.setTabEnabled(3, True)
def refresh_data(self):
self.adjust_tx_fields()
self.build_transaction()
class TxBuilder(BaseDock):
tool_name = "Transaction Builder"
description = "Transaction Builder helps you create transactions."
is_large = True
category = Category.Tx
def __init__(self, handler):
super(TxBuilder, self).__init__(handler)
self.raw_tx.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.raw_tx.customContextMenuRequested.connect(self.context_menu)
def init_data(self):
self.tx = None
def init_actions(self):
self.advertised_actions[RAW_TX] = [("Edit", self.deserialize_raw)]
def create_layout(self):
vbox = QVBoxLayout()
self.tabs = tabs = QTabWidget()
tabs.addTab(self.create_version_locktime_tab(), "&Version/Locktime")
tabs.addTab(self.create_inputs_tab(), "&Inputs")
tabs.addTab(self.create_outputs_tab(), "&Outputs")
tabs.addTab(self.create_review_tab(), "&Review")
self.setFocusProxy(self.tabs)
self.tx_field_widgets = []
tabs.insertTab(3, self.create_other_tab(), "Ot&her")
self.adjust_tx_fields()
# Build the tx if the Review tab is selected.
def maybe_build(i):
if str(tabs.tabText(i)) == "&Review":
self.build_transaction()
tabs.currentChanged.connect(maybe_build)
vbox.addWidget(tabs)
return vbox
def context_menu(self, position):
menu = self.raw_tx.createStandardContextMenu(position)
txt = str(self.raw_tx.toPlainText())
if txt:
self.handler.add_plugin_actions(self, menu, RAW_TX, txt)
menu.exec_(self.raw_tx.viewport().mapToGlobal(position))
def create_version_locktime_tab(self):
form = QFormLayout()
self.version_edit = AmountEdit()
self.version_edit.setText("1")
self.locktime_edit = AmountEdit()
self.locktime_edit.setText("0")
version_desc = QLabel(
"A transaction's version determines how it is interpreted.\n\nBitcoin transactions are currently version 1."
)
locktime_desc = QLabel(
"A transaction's locktime defines the earliest time or block that it may be added to the blockchain.\n\nLocktime only applies if it's non-zero and at least one input has a Sequence that's not the maximum possible value."
)
for i in [version_desc, locktime_desc]:
i.setWordWrap(True)
for i in [self.version_edit, self.locktime_edit]:
i.setFont(monospace_font)
form.addRow(version_desc)
form.addRow("Version:", self.version_edit)
form.addRow(Separator())
form.addRow(locktime_desc)
form.addRow("Locktime:", self.locktime_edit)
w = QWidget()
w.setLayout(form)
return w
def create_inputs_tab(self):
form = QFormLayout()
self.inputs_tree = InputsTree()
self.inputs_editor = InputsEditor(self.handler.gui, self.inputs_tree)
self.inputs_editor.setEnabled(False)
def update_enabled_widgets():
num_inputs = len(self.inputs_tree.get_inputs())
self.inputs_editor.setEnabled(num_inputs > 0)
def add_input():
outpoint = CMutableOutPoint(n=0)
new_input = CMutableTxIn(prevout=outpoint)
self.inputs_tree.add_input(new_input)
update_enabled_widgets()
if len(self.inputs_tree.get_inputs()) > 0:
self.inputs_tree.view.selectRow(self.inputs_tree.model.rowCount() - 1)
update_enabled_widgets()
add_input_button = QPushButton("New input")
add_input_button.setToolTip("Add a new input")
add_input_button.clicked.connect(add_input)
form.addRow(self.inputs_tree)
form.addRow(Separator())
form.addRow(self.inputs_editor)
form.addRow(Separator())
form.addRow(floated_buttons([add_input_button]))
w = QWidget()
w.setLayout(form)
return w
def create_outputs_tab(self):
form = QFormLayout()
self.outputs_tree = OutputsTree()
self.outputs_editor = OutputsEditor(self.handler.gui, self.outputs_tree)
self.outputs_editor.setEnabled(False)
def update_enabled_widgets():
num_outputs = len(self.outputs_tree.get_outputs())
self.outputs_editor.setEnabled(num_outputs > 0)
def add_output():
new_output = CMutableTxOut(0)
self.outputs_tree.add_output(new_output)
update_enabled_widgets()
if len(self.outputs_tree.get_outputs()) > 0:
self.outputs_tree.view.selectRow(self.outputs_tree.model.rowCount() - 1)
update_enabled_widgets()
add_output_button = QPushButton("New output")
add_output_button.setToolTip("Add a new output")
add_output_button.clicked.connect(add_output)
form.addRow(self.outputs_tree)
form.addRow(Separator())
form.addRow(self.outputs_editor)
form.addRow(Separator())
form.addRow(floated_buttons([add_output_button]))
w = QWidget()
w.setLayout(form)
return w
def create_review_tab(self):
form = QFormLayout()
self.raw_tx = QTextEdit()
self.raw_tx.setReadOnly(True)
self.tx_widget = TxWidget()
form.addRow("Raw Tx:", self.raw_tx)
form.addRow(self.tx_widget)
w = QWidget()
w.setLayout(form)
return w
def create_other_tab(self):
self.tx_fields_layout = QFormLayout()
w = QWidget()
w.setLayout(self.tx_fields_layout)
return w
def deserialize_raw(self, rawtx):
"""Update editor widgets with rawtx's data."""
self.needsFocus.emit()
try:
tx = Transaction.deserialize(x(rawtx))
except Exception:
return
else:
self.version_edit.set_amount(tx.nVersion)
self.inputs_tree.model.set_tx(tx)
self.outputs_tree.model.set_tx(tx)
self.locktime_edit.set_amount(tx.nLockTime)
for name, w in self.tx_field_widgets:
if name in ["nVersion", "vin", "vout", "nLockTime"]:
continue
value = getattr(tx, name)
if isinstance(w, AmountEdit):
w.set_amount(value)
else:
w.setText(str(value))
self.build_transaction()
def build_transaction(self):
self.tx_widget.clear()
self.tx = tx = Transaction()
tx.nVersion = self.version_edit.get_amount()
tx.vin = self.inputs_tree.get_inputs()
tx.vout = self.outputs_tree.get_outputs()
tx.nLockTime = self.locktime_edit.get_amount()
for name, w in self.tx_field_widgets:
if not name in [field[0] for field in tx.fields]:
continue
value = str(w.text())
default = getattr(tx, name)
if isinstance(default, int):
value = w.get_amount()
setattr(tx, name, value)
self.raw_tx.setText(bitcoin.core.b2x(tx.serialize()))
self.tx_widget.set_tx(tx)
def on_option_changed(self, key):
if key in ["chainparams"]:
self.needsUpdate.emit()
def adjust_tx_fields(self):
"""Show or hide tx field widgets."""
tx_fields = chainparams.get_tx_fields()
for field in tx_fields:
name = field[0]
if name in ["nVersion", "vin", "vout", "nLockTime"]:
continue
default_value = field[3]
if name not in [j[0] for j in self.tx_field_widgets]:
widget = QLineEdit()
if isinstance(default_value, int):
# Special case for timestamp fields.
if name == "Timestamp":
widget = TimestampWidget()
widget.timestamp_raw.setReadOnly(False)
else:
widget = AmountEdit()
widget.setText(str(default_value))
label = QLabel("".join([name, ":"]))
self.tx_field_widgets.append((name, widget))
self.tx_fields_layout.addRow(label, widget)
tx_field_names = [i[0] for i in tx_fields]
for name, w in self.tx_field_widgets:
l = self.tx_fields_layout.labelForField(w)
if name in tx_field_names:
w.show()
l.show()
else:
w.hide()
l.hide()
if tx_field_names == ["nVersion", "vin", "vout", "nLockTime"]:
self.tabs.setTabEnabled(3, False)
else:
self.tabs.setTabEnabled(3, True)
def refresh_data(self):
self.adjust_tx_fields()
self.build_transaction()