eee61a98cb
I am only making this change as it makes it simpler to do manual testing of CPFP-ing *local* txs. That is, by changing a few easy-to-find lines of code, I can make the GUI allow CPFP-ing a local tx, but without this change it errors out with "unknown fee for parent transaction". If one has an incoming local tx saved in the wallet, adb.get_tx_fee(txid) returns None (if the tx gets into the mempool, it will use the server-reported value instead). In contrast, wallet.get_tx_info(tx).fee calls both wallet.get_wallet_delta(tx) and adb.get_tx_fee(txid), making it more expensive but more complete.
840 lines
25 KiB
Python
840 lines
25 KiB
Python
from decimal import Decimal
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from typing import Optional, TYPE_CHECKING
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from functools import partial
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from PyQt6.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
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from electrum.logging import get_logger
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from electrum.i18n import _
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from electrum.transaction import PartialTxOutput, PartialTransaction, Transaction
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from electrum.util import NotEnoughFunds, profiler
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from electrum.wallet import CannotBumpFee, CannotDoubleSpendTx, CannotCPFP, BumpFeeStrategy
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from electrum.plugin import run_hook
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from .qewallet import QEWallet
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from .qetypes import QEAmount
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from .util import QtEventListener, event_listener
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if TYPE_CHECKING:
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from electrum.simple_config import SimpleConfig
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class FeeSlider(QObject):
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def __init__(self, parent=None):
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super().__init__(parent)
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self._wallet = None # type: Optional[QEWallet]
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self._sliderSteps = 0
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self._sliderPos = 0
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self._method = -1
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self._target = ''
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self._config = None # type: Optional[SimpleConfig]
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walletChanged = pyqtSignal()
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@pyqtProperty(QEWallet, notify=walletChanged)
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def wallet(self):
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return self._wallet
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@wallet.setter
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def wallet(self, wallet: QEWallet):
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if self._wallet != wallet:
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self._wallet = wallet
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self._config = self._wallet.wallet.config
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self.read_config()
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self.walletChanged.emit()
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sliderStepsChanged = pyqtSignal()
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@pyqtProperty(int, notify=sliderStepsChanged)
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def sliderSteps(self):
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return self._sliderSteps
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sliderPosChanged = pyqtSignal()
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@pyqtProperty(int, notify=sliderPosChanged)
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def sliderPos(self):
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return self._sliderPos
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@sliderPos.setter
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def sliderPos(self, sliderPos):
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if self._sliderPos != sliderPos:
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self._sliderPos = sliderPos
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self.save_config()
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self.sliderPosChanged.emit()
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methodChanged = pyqtSignal()
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@pyqtProperty(int, notify=methodChanged)
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def method(self):
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return self._method
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@method.setter
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def method(self, method):
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if self._method != method:
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self._method = method
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self.update_slider()
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self.methodChanged.emit()
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self.save_config()
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def get_method(self):
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dynfees = self._method > 0
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mempool = self._method == 2
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return dynfees, mempool
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targetChanged = pyqtSignal()
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@pyqtProperty(str, notify=targetChanged)
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def target(self):
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return self._target
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@target.setter
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def target(self, target):
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if self._target != target:
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self._target = target
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self.targetChanged.emit()
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def update_slider(self):
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dynfees, mempool = self.get_method()
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maxp, pos, fee_rate = self._config.get_fee_slider(dynfees, mempool)
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self._sliderSteps = maxp
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self._sliderPos = pos
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self.sliderStepsChanged.emit()
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self.sliderPosChanged.emit()
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def update_target(self):
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target, tooltip, dyn = self._config.get_fee_target()
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self.target = target
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def read_config(self):
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mempool = self._config.use_mempool_fees()
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dynfees = self._config.is_dynfee()
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self._method = (2 if mempool else 1) if dynfees else 0
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self.update_slider()
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self.methodChanged.emit()
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self.update_target()
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self.update()
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def save_config(self):
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value = int(self._sliderPos)
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dynfees, mempool = self.get_method()
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self._config.FEE_EST_DYNAMIC = dynfees
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self._config.FEE_EST_USE_MEMPOOL = mempool
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if dynfees:
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if mempool:
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self._config.FEE_EST_DYNAMIC_MEMPOOL_SLIDERPOS = value
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else:
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self._config.FEE_EST_DYNAMIC_ETA_SLIDERPOS = value
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else:
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self._config.FEE_EST_STATIC_FEERATE = self._config.static_fee(value)
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self.update_target()
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self.update()
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def update(self):
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raise NotImplementedError()
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class TxFeeSlider(FeeSlider):
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def __init__(self, parent=None):
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super().__init__(parent)
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self._fee = QEAmount()
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self._feeRate = ''
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self._rbf = False
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self._tx = None
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self._outputs = []
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self._valid = False
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self._warning = ''
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feeChanged = pyqtSignal()
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@pyqtProperty(QEAmount, notify=feeChanged)
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def fee(self):
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return self._fee
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@fee.setter
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def fee(self, fee):
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if self._fee != fee:
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self._fee.copyFrom(fee)
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self.feeChanged.emit()
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feeRateChanged = pyqtSignal()
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@pyqtProperty(str, notify=feeRateChanged)
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def feeRate(self):
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return self._feeRate
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@feeRate.setter
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def feeRate(self, feeRate):
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if self._feeRate != feeRate:
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self._feeRate = feeRate
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self.feeRateChanged.emit()
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rbfChanged = pyqtSignal()
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@pyqtProperty(bool, notify=rbfChanged)
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def rbf(self):
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return self._rbf
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@rbf.setter
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def rbf(self, rbf):
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if self._rbf != rbf:
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self._rbf = rbf
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self.update()
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self.rbfChanged.emit()
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outputsChanged = pyqtSignal()
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@pyqtProperty('QVariantList', notify=outputsChanged)
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def outputs(self):
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return self._outputs
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@outputs.setter
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def outputs(self, outputs):
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if self._outputs != outputs:
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self._outputs = outputs
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self.outputsChanged.emit()
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warningChanged = pyqtSignal()
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@pyqtProperty(str, notify=warningChanged)
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def warning(self):
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return self._warning
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@warning.setter
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def warning(self, warning):
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if self._warning != warning:
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self._warning = warning
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self.warningChanged.emit()
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validChanged = pyqtSignal()
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@pyqtProperty(bool, notify=validChanged)
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def valid(self):
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return self._valid
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def update_from_tx(self, tx):
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tx_size = tx.estimated_size()
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fee = tx.get_fee()
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feerate = Decimal(fee) / tx_size # sat/byte
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self.fee = QEAmount(amount_sat=int(fee))
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self.feeRate = f'{feerate:.1f}'
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self.update_outputs_from_tx(tx)
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def update_outputs_from_tx(self, tx):
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outputs = []
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for o in tx.outputs():
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outputs.append({
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'address': o.get_ui_address_str(),
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'value': o.value,
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'is_mine': self._wallet.wallet.is_mine(o.get_ui_address_str()),
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'is_change': self._wallet.wallet.is_change(o.get_ui_address_str()),
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'is_billing': self._wallet.wallet.is_billing_address(o.get_ui_address_str())
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})
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self.outputs = outputs
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class QETxFinalizer(TxFeeSlider):
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_logger = get_logger(__name__)
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finished = pyqtSignal([bool, bool, bool], arguments=['signed', 'saved', 'complete'])
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def __init__(self, parent=None, *, make_tx=None, accept=None):
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super().__init__(parent)
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self.f_make_tx = make_tx
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self.f_accept = accept
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self._address = ''
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self._amount = QEAmount()
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self._effectiveAmount = QEAmount()
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self._extraFee = QEAmount()
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self._canRbf = False
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addressChanged = pyqtSignal()
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@pyqtProperty(str, notify=addressChanged)
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def address(self):
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return self._address
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@address.setter
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def address(self, address):
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if self._address != address:
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self._address = address
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self.addressChanged.emit()
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amountChanged = pyqtSignal()
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@pyqtProperty(QEAmount, notify=amountChanged)
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def amount(self):
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return self._amount
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@amount.setter
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def amount(self, amount):
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if self._amount != amount:
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self._logger.debug(str(amount))
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self._amount.copyFrom(amount)
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self.amountChanged.emit()
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effectiveAmountChanged = pyqtSignal()
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@pyqtProperty(QEAmount, notify=effectiveAmountChanged)
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def effectiveAmount(self):
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return self._effectiveAmount
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extraFeeChanged = pyqtSignal()
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@pyqtProperty(QEAmount, notify=extraFeeChanged)
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def extraFee(self):
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return self._extraFee
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@extraFee.setter
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def extraFee(self, extrafee):
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if self._extraFee != extrafee:
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self._extraFee.copyFrom(extrafee)
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self.extraFeeChanged.emit()
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canRbfChanged = pyqtSignal()
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@pyqtProperty(bool, notify=canRbfChanged)
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def canRbf(self):
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return self._canRbf
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@canRbf.setter
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def canRbf(self, canRbf):
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if self._canRbf != canRbf:
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self._canRbf = canRbf
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self.canRbfChanged.emit()
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self.rbf = self._canRbf # if we can RbF, we do RbF
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@profiler
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def make_tx(self, amount):
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self._logger.debug(f'make_tx amount={amount}')
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if self.f_make_tx:
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tx = self.f_make_tx(amount)
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else:
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# default impl
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coins = self._wallet.wallet.get_spendable_coins(None)
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outputs = [PartialTxOutput.from_address_and_value(self.address, amount)]
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tx = self._wallet.wallet.make_unsigned_transaction(coins=coins, outputs=outputs, fee=None, rbf=self._rbf)
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self._logger.debug('fee: %d, inputs: %d, outputs: %d' % (tx.get_fee(), len(tx.inputs()), len(tx.outputs())))
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return tx
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def update(self):
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if not self._wallet:
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self._logger.debug('wallet not set, ignoring update()')
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return
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try:
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# make unsigned transaction
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tx = self.make_tx(amount='!' if self._amount.isMax else self._amount.satsInt)
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except NotEnoughFunds:
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self.warning = _("Not enough funds")
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self._valid = False
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self.validChanged.emit()
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return
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except Exception as e:
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self._logger.error(str(e))
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self.warning = repr(e)
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self._valid = False
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self.validChanged.emit()
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return
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self._tx = tx
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amount = self._amount.satsInt if not self._amount.isMax else tx.output_value()
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self._effectiveAmount.satsInt = amount
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self.effectiveAmountChanged.emit()
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self.update_from_tx(tx)
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x_fee = run_hook('get_tx_extra_fee', self._wallet.wallet, tx)
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if x_fee:
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x_fee_address, x_fee_amount = x_fee
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self.extraFee = QEAmount(amount_sat=x_fee_amount)
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fee_warning_tuple = self._wallet.wallet.get_tx_fee_warning(
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invoice_amt=amount, tx_size=tx.estimated_size(), fee=tx.get_fee())
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if fee_warning_tuple:
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allow_send, long_warning, short_warning = fee_warning_tuple
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self.warning = _('Warning') + ': ' + long_warning
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else:
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self.warning = ''
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self._valid = True
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self.validChanged.emit()
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@pyqtSlot()
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def saveOrShow(self):
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if not self._valid or not self._tx:
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self._logger.debug('no valid tx')
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return
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saved = False
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if self._tx.txid():
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if self._wallet.save_tx(self._tx):
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saved = True
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self.finished.emit(False, saved, self._tx.is_complete())
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@pyqtSlot()
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def signAndSend(self):
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if not self._valid or not self._tx:
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self._logger.debug('no valid tx')
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return
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if self.f_accept:
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self.f_accept(self._tx)
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return
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self._wallet.sign(self._tx, broadcast=True, on_success=partial(self.on_signed_tx, False))
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@pyqtSlot()
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def sign(self):
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if not self._valid or not self._tx:
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self._logger.error('no valid tx')
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return
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self._wallet.sign(self._tx, broadcast=False, on_success=partial(self.on_signed_tx, True))
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def on_signed_tx(self, save: bool, tx: Transaction):
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self._logger.debug('on_signed_tx')
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saved = False
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if save and self._tx.txid():
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if self._wallet.save_tx(self._tx):
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saved = True
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else:
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self._logger.error('Could not save tx')
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self.finished.emit(True, saved, tx.is_complete())
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@pyqtSlot(result='QVariantList')
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def getSerializedTx(self):
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txqr = self._tx.to_qr_data()
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return [str(self._tx), txqr[0], txqr[1]]
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class TxMonMixin(QtEventListener):
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""" mixin for watching an existing TX based on its txid for verified event.
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requires self._wallet to contain a QEWallet instance.
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exposes txid qt property.
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calls get_tx() once txid is set.
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calls tx_verified and emits txMined signal once tx is verified.
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"""
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txMined = pyqtSignal()
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def __init__(self, parent=None):
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self._logger.debug('TxMonMixin.__init__')
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self._txid = ''
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self.register_callbacks()
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self.destroyed.connect(lambda: self.on_destroy())
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def on_destroy(self):
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self.unregister_callbacks()
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@event_listener
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def on_event_verified(self, wallet, txid, info):
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if wallet == self._wallet.wallet and txid == self._txid:
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self._logger.debug('verified event for our txid %s' % txid)
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self.tx_verified()
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self.txMined.emit()
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txidChanged = pyqtSignal()
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@pyqtProperty(str, notify=txidChanged)
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def txid(self):
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return self._txid
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@txid.setter
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def txid(self, txid):
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if self._txid != txid:
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self._txid = txid
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self.get_tx()
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self.txidChanged.emit()
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# override
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def get_tx(self) -> None:
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pass
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# override
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def tx_verified(self) -> None:
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pass
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class QETxRbfFeeBumper(TxFeeSlider, TxMonMixin):
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_logger = get_logger(__name__)
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def __init__(self, parent=None):
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super().__init__(parent)
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self._oldfee = QEAmount()
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self._oldfee_rate = 0
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self._orig_tx = None
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self._rbf = True
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self._bump_method = BumpFeeStrategy.PRESERVE_PAYMENT.name
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self._bump_methods_available = []
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oldfeeChanged = pyqtSignal()
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@pyqtProperty(QEAmount, notify=oldfeeChanged)
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def oldfee(self):
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return self._oldfee
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@oldfee.setter
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def oldfee(self, oldfee):
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if self._oldfee != oldfee:
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self._oldfee.copyFrom(oldfee)
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self.oldfeeChanged.emit()
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oldfeeRateChanged = pyqtSignal()
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@pyqtProperty(str, notify=oldfeeRateChanged)
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def oldfeeRate(self):
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return self._oldfee_rate
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@oldfeeRate.setter
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def oldfeeRate(self, oldfeerate):
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if self._oldfee_rate != oldfeerate:
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self._oldfee_rate = oldfeerate
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self.oldfeeRateChanged.emit()
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bumpMethodChanged = pyqtSignal()
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@pyqtProperty(str, notify=bumpMethodChanged)
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def bumpMethod(self):
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return self._bump_method
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@bumpMethod.setter
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def bumpMethod(self, bumpmethod: str) -> None:
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if self._bump_method != bumpmethod:
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self._bump_method = bumpmethod
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self.bumpMethodChanged.emit()
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self.update()
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bumpMethodsAvailableChanged = pyqtSignal()
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@pyqtProperty('QVariantList', notify=bumpMethodsAvailableChanged)
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def bumpMethodsAvailable(self):
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return self._bump_methods_available
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def get_tx(self):
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assert self._txid
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self._orig_tx = self._wallet.wallet.db.get_transaction(self._txid)
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assert self._orig_tx
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strategies, def_strat_idx = self._wallet.wallet.get_bumpfee_strategies_for_tx(tx=self._orig_tx, txid=self._txid)
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self._bump_methods_available = [{'value': strat.name, 'text': strat.text()} for strat in strategies]
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self.bumpMethodsAvailableChanged.emit()
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self.bumpMethod = strategies[def_strat_idx].name
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if not isinstance(self._orig_tx, PartialTransaction):
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self._orig_tx = PartialTransaction.from_tx(self._orig_tx)
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if not self._orig_tx.add_info_from_wallet_and_network(wallet=self._wallet.wallet, show_error=self._logger.error):
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return
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self.update_from_tx(self._orig_tx)
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self.oldfee = self.fee
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self.oldfeeRate = self.feeRate
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self.update()
|
|
|
|
def update(self):
|
|
if not self._txid or not self._orig_tx:
|
|
# not initialized yet
|
|
return
|
|
|
|
fee_per_kb = self._config.fee_per_kb()
|
|
if fee_per_kb is None:
|
|
# dynamic method and no network
|
|
self._logger.debug('no fee_per_kb')
|
|
self.warning = _('Cannot determine dynamic fees, not connected')
|
|
return
|
|
|
|
new_fee_rate = fee_per_kb / 1000
|
|
if new_fee_rate <= float(self._oldfee_rate):
|
|
self._valid = False
|
|
self.validChanged.emit()
|
|
self.warning = _("The new fee rate needs to be higher than the old fee rate.")
|
|
return
|
|
try:
|
|
self._tx = self._wallet.wallet.bump_fee(
|
|
tx=self._orig_tx,
|
|
txid=self._txid,
|
|
new_fee_rate=new_fee_rate,
|
|
strategy=BumpFeeStrategy[self._bump_method],
|
|
)
|
|
except CannotBumpFee as e:
|
|
self._valid = False
|
|
self.validChanged.emit()
|
|
self._logger.error(str(e))
|
|
self.warning = str(e)
|
|
return
|
|
else:
|
|
self.warning = ''
|
|
|
|
self._tx.set_rbf(self.rbf)
|
|
|
|
self.update_from_tx(self._tx)
|
|
|
|
# TODO: deduce amount sent?
|
|
# TODO: we don't handle send-max txs correctly yet
|
|
# fee_warning_tuple = self._wallet.wallet.get_tx_fee_warning(
|
|
# invoice_amt=amount, tx_size=tx.estimated_size(), fee=tx.get_fee())
|
|
# if fee_warning_tuple:
|
|
# allow_send, long_warning, short_warning = fee_warning_tuple
|
|
# self.warning = long_warning
|
|
# else:
|
|
# self.warning = ''
|
|
|
|
self._valid = True
|
|
self.validChanged.emit()
|
|
|
|
@pyqtSlot(result=str)
|
|
def getNewTx(self):
|
|
return str(self._tx)
|
|
|
|
|
|
class QETxCanceller(TxFeeSlider, TxMonMixin):
|
|
_logger = get_logger(__name__)
|
|
|
|
def __init__(self, parent=None):
|
|
super().__init__(parent)
|
|
|
|
self._oldfee = QEAmount()
|
|
self._oldfee_rate = 0
|
|
self._orig_tx = None
|
|
self._txid = ''
|
|
self._rbf = True
|
|
|
|
oldfeeChanged = pyqtSignal()
|
|
@pyqtProperty(QEAmount, notify=oldfeeChanged)
|
|
def oldfee(self):
|
|
return self._oldfee
|
|
|
|
@oldfee.setter
|
|
def oldfee(self, oldfee):
|
|
if self._oldfee != oldfee:
|
|
self._oldfee.copyFrom(oldfee)
|
|
self.oldfeeChanged.emit()
|
|
|
|
oldfeeRateChanged = pyqtSignal()
|
|
@pyqtProperty(str, notify=oldfeeRateChanged)
|
|
def oldfeeRate(self):
|
|
return self._oldfee_rate
|
|
|
|
@oldfeeRate.setter
|
|
def oldfeeRate(self, oldfeerate):
|
|
if self._oldfee_rate != oldfeerate:
|
|
self._oldfee_rate = oldfeerate
|
|
self.oldfeeRateChanged.emit()
|
|
|
|
def get_tx(self):
|
|
assert self._txid
|
|
self._orig_tx = self._wallet.wallet.db.get_transaction(self._txid)
|
|
assert self._orig_tx
|
|
|
|
if not isinstance(self._orig_tx, PartialTransaction):
|
|
self._orig_tx = PartialTransaction.from_tx(self._orig_tx)
|
|
|
|
if not self._orig_tx.add_info_from_wallet_and_network(wallet=self._wallet.wallet, show_error=self._logger.error):
|
|
return
|
|
|
|
self.update_from_tx(self._orig_tx)
|
|
|
|
self.oldfee = self.fee
|
|
self.oldfeeRate = self.feeRate
|
|
self.update()
|
|
|
|
def update(self):
|
|
if not self._txid or not self._orig_tx:
|
|
# not initialized yet
|
|
return
|
|
|
|
fee_per_kb = self._config.fee_per_kb()
|
|
if fee_per_kb is None:
|
|
# dynamic method and no network
|
|
self._logger.debug('no fee_per_kb')
|
|
self.warning = _('Cannot determine dynamic fees, not connected')
|
|
return
|
|
|
|
new_fee_rate = fee_per_kb / 1000
|
|
if new_fee_rate <= float(self._oldfee_rate):
|
|
self._valid = False
|
|
self.validChanged.emit()
|
|
self.warning = _("The new fee rate needs to be higher than the old fee rate.")
|
|
return
|
|
|
|
try:
|
|
self._tx = self._wallet.wallet.dscancel(
|
|
tx=self._orig_tx,
|
|
new_fee_rate=new_fee_rate,
|
|
)
|
|
except CannotDoubleSpendTx as e:
|
|
self._valid = False
|
|
self.validChanged.emit()
|
|
self._logger.error(str(e))
|
|
self.warning = str(e)
|
|
return
|
|
else:
|
|
self.warning = ''
|
|
|
|
self._tx.set_rbf(self.rbf)
|
|
|
|
self.update_from_tx(self._tx)
|
|
|
|
self._valid = True
|
|
self.validChanged.emit()
|
|
|
|
@pyqtSlot(result=str)
|
|
def getNewTx(self):
|
|
return str(self._tx)
|
|
|
|
|
|
class QETxCpfpFeeBumper(TxFeeSlider, TxMonMixin):
|
|
_logger = get_logger(__name__)
|
|
|
|
def __init__(self, parent=None):
|
|
super().__init__(parent)
|
|
|
|
self._input_amount = QEAmount()
|
|
self._output_amount = QEAmount()
|
|
self._fee_for_child = QEAmount()
|
|
self._total_fee = QEAmount()
|
|
self._total_fee_rate = 0
|
|
self._total_size = 0
|
|
|
|
self._parent_tx = None
|
|
self._new_tx = None
|
|
self._parent_tx_size = 0
|
|
self._parent_fee = 0
|
|
self._max_fee = 0
|
|
self._txid = ''
|
|
self._rbf = True
|
|
|
|
totalFeeChanged = pyqtSignal()
|
|
@pyqtProperty(QEAmount, notify=totalFeeChanged)
|
|
def totalFee(self):
|
|
return self._total_fee
|
|
|
|
@totalFee.setter
|
|
def totalFee(self, totalfee):
|
|
if self._total_fee != totalfee:
|
|
self._total_fee.copyFrom(totalfee)
|
|
self.totalFeeChanged.emit()
|
|
|
|
totalFeeRateChanged = pyqtSignal()
|
|
@pyqtProperty(str, notify=totalFeeRateChanged)
|
|
def totalFeeRate(self):
|
|
return self._total_fee_rate
|
|
|
|
@totalFeeRate.setter
|
|
def totalFeeRate(self, totalfeerate):
|
|
if self._total_fee_rate != totalfeerate:
|
|
self._total_fee_rate = totalfeerate
|
|
self.totalFeeRateChanged.emit()
|
|
|
|
feeForChildChanged = pyqtSignal()
|
|
@pyqtProperty(QEAmount, notify=feeForChildChanged)
|
|
def feeForChild(self):
|
|
return self._fee_for_child
|
|
|
|
@feeForChild.setter
|
|
def feeForChild(self, feeforchild):
|
|
if self._fee_for_child != feeforchild:
|
|
self._fee_for_child.copyFrom(feeforchild)
|
|
self.feeForChildChanged.emit()
|
|
|
|
inputAmountChanged = pyqtSignal()
|
|
@pyqtProperty(QEAmount, notify=inputAmountChanged)
|
|
def inputAmount(self):
|
|
return self._input_amount
|
|
|
|
outputAmountChanged = pyqtSignal()
|
|
@pyqtProperty(QEAmount, notify=outputAmountChanged)
|
|
def outputAmount(self):
|
|
return self._output_amount
|
|
|
|
totalSizeChanged = pyqtSignal()
|
|
@pyqtProperty(int, notify=totalSizeChanged)
|
|
def totalSize(self):
|
|
return self._total_size
|
|
|
|
def get_tx(self):
|
|
assert self._txid
|
|
self._parent_tx = self._wallet.wallet.db.get_transaction(self._txid)
|
|
assert self._parent_tx
|
|
|
|
if isinstance(self._parent_tx, PartialTransaction):
|
|
self._logger.error('unexpected PartialTransaction')
|
|
return
|
|
|
|
self._parent_tx_size = self._parent_tx.estimated_size()
|
|
self._parent_fee = self._wallet.wallet.get_tx_info(self._parent_tx).fee
|
|
|
|
if self._parent_fee is None:
|
|
self._logger.error(_("Can't CPFP: unknown fee for parent transaction."))
|
|
self.warning = _("Can't CPFP: unknown fee for parent transaction.")
|
|
return
|
|
|
|
self._new_tx = self._wallet.wallet.cpfp(self._parent_tx, 0)
|
|
self._total_size = self._parent_tx_size + self._new_tx.estimated_size()
|
|
self.totalSizeChanged.emit()
|
|
self._max_fee = self._new_tx.output_value()
|
|
self._input_amount.satsInt = self._max_fee
|
|
|
|
self.update()
|
|
|
|
def get_child_fee_from_total_feerate(self, fee_per_kb: Optional[int]) -> Optional[int]:
|
|
if fee_per_kb is None:
|
|
return None
|
|
fee = fee_per_kb * self._total_size / 1000 - self._parent_fee
|
|
fee = round(fee)
|
|
fee = min(self._max_fee, fee)
|
|
fee = max(self._total_size, fee) # pay at least 1 sat/byte for combined size
|
|
return fee
|
|
|
|
def update(self):
|
|
if not self._txid: # not initialized yet
|
|
return
|
|
|
|
assert self._parent_tx
|
|
|
|
self._valid = False
|
|
self.validChanged.emit()
|
|
self.warning = ''
|
|
|
|
fee_per_kb = self._config.fee_per_kb()
|
|
if fee_per_kb is None:
|
|
# dynamic method and no network
|
|
self._logger.debug('no fee_per_kb')
|
|
self.warning = _('Cannot determine dynamic fees, not connected')
|
|
return
|
|
|
|
if self._parent_fee is None:
|
|
self._logger.error(_("Can't CPFP: unknown fee for parent transaction."))
|
|
self.warning = _("Can't CPFP: unknown fee for parent transaction.")
|
|
return
|
|
|
|
fee = self.get_child_fee_from_total_feerate(fee_per_kb=fee_per_kb)
|
|
|
|
if fee is None:
|
|
self._logger.warning('no fee')
|
|
self.warning = _('No fee')
|
|
return
|
|
if fee > self._max_fee:
|
|
self._logger.warning('max fee exceeded')
|
|
self.warning = _('Max fee exceeded')
|
|
return
|
|
|
|
comb_fee = fee + self._parent_fee
|
|
comb_feerate = comb_fee / self._total_size
|
|
|
|
self._fee_for_child.satsInt = fee
|
|
self._output_amount.satsInt = self._max_fee - fee
|
|
self.outputAmountChanged.emit()
|
|
|
|
self._total_fee.satsInt = fee + self._parent_fee
|
|
self._total_fee_rate = f'{comb_feerate:.1f}'
|
|
|
|
try:
|
|
self._new_tx = self._wallet.wallet.cpfp(self._parent_tx, fee)
|
|
except CannotCPFP as e:
|
|
self._logger.error(str(e))
|
|
self.warning = str(e)
|
|
return
|
|
|
|
self.update_outputs_from_tx(self._new_tx)
|
|
|
|
self._valid = True
|
|
self.validChanged.emit()
|
|
|
|
@pyqtSlot(result=str)
|
|
def getNewTx(self):
|
|
return str(self._new_tx)
|