def data(self, index, role=Qt.DisplayRole):
if not index.isValid():
return None
if role not in [Qt.DisplayRole, Qt.ToolTipRole, Qt.EditRole]:
return None
data = None
c = index.column()
if c == 0:
if self.utxo_script:
data = self.utxo_script.get_human()
elif c == 1:
if self.tx:
data = b2x(self.tx.serialize())
elif c == 2:
data = self.inIdx
elif c == 3:
data = sighash_types_by_value[self.sighash_type]
elif c == 4:
if role == Qt.CheckStateRole:
data = Qt.Checked if self.anyone_can_pay else Qt.Unchecked
else:
data = self.anyone_can_pay
elif c == self.SigHashName:
data = sig_hash_name(self.sighash_type
| SIGHASH_ANYONECANPAY if self.
anyone_can_pay else self.sighash_type)
elif c == self.SigHashExplanation:
data = sig_hash_explanation(self.sighash_type
| SIGHASH_ANYONECANPAY if self.
anyone_can_pay else self.sighash_type)
return data
def data(self, index, role = Qt.DisplayRole):
if not index.isValid():
return None
if role not in [Qt.DisplayRole, Qt.ToolTipRole, Qt.EditRole]:
return None
data = None
c = index.column()
if c == 0:
if self.utxo_script:
data = self.utxo_script.get_human()
elif c == 1:
if self.tx:
data = b2x(self.tx.serialize())
elif c == 2:
data = self.inIdx
elif c == 3:
data = sighash_types_by_value[self.sighash_type]
elif c == 4:
if role == Qt.CheckStateRole:
data = Qt.Checked if self.anyone_can_pay else Qt.Unchecked
else:
data = self.anyone_can_pay
elif c == self.SigHashName:
data = sig_hash_name(self.sighash_type | SIGHASH_ANYONECANPAY if self.anyone_can_pay else self.sighash_type)
elif c == self.SigHashExplanation:
data = sig_hash_explanation(self.sighash_type | SIGHASH_ANYONECANPAY if self.anyone_can_pay else self.sighash_type)
return data
def sign_transaction(self):
"""Sign the transaction."""
script, txTo, inIdx, hash_type = self.model.get_fields()
if inIdx >= len(txTo.vin):
self.set_result_message('Nonexistent input specified for signing.',
error=True)
return
if not script:
self.set_result_message('Invalid output script.', error=True)
return
privkey = self.get_private_key()
if not privkey:
self.set_result_message('Could not parse private key.', error=True)
return
sig_hash = chainparams.signature_hash(script, txTo, inIdx, hash_type)
sig = privkey.sign(sig_hash)
hash_type_hex = format_hex_string(hex(hash_type),
with_prefix=False).decode('hex')
sig = sig + hash_type_hex
txTo.vin[inIdx].scriptSig = Script([sig, privkey.pub])
if self.verify_script.isChecked():
# Try verify
try:
VerifyScript(txTo.vin[inIdx].scriptSig, script, txTo, inIdx,
(SCRIPT_VERIFY_P2SH, ))
except Exception as e:
self.set_result_message('Error when verifying: %s' % str(e),
error=True)
return
self.dock.deserialize_raw(b2x(txTo.serialize()))
# Deserializing a tx clears the model, so re-populate.
self.model.set_fields(script=script.get_human(),
inIdx=inIdx,
hashType=hash_type)
self.set_result_message(
'Successfully set scriptSig for input %d (SigHash type: %s).' %
(inIdx, sig_hash_name(hash_type)))
def data(self, index, role = Qt.DisplayRole):
if not index.isValid():
return None
verified, hash_type = self.inputs[index.row()]
c = index.column()
data = None
if c == 0:
if role in [Qt.DisplayRole, Qt.EditRole]:
data = str(index.row())
elif c == 1:
if role in [Qt.DisplayRole, Qt.ToolTipRole]:
data = 'Verified' if verified else 'Unverified'
elif role == Qt.EditRole:
data = verified
elif c == 2:
if role in [Qt.DisplayRole, Qt.ToolTipRole]:
data = sig_hash_name(hash_type)
elif role == Qt.EditRole:
data = hash_type
return data
def sign_transaction(self):
"""Sign the transaction."""
script, txTo, inIdx, hash_type = self.model.get_fields()
if inIdx >= len(txTo.vin):
self.set_result_message('Nonexistent input specified for signing.', error=True)
return
if not script:
self.set_result_message('Invalid output script.', error=True)
return
privkey = self.get_private_key()
if not privkey:
self.set_result_message('Could not parse private key.', error=True)
return
sig_hash = chainparams.signature_hash(script, txTo, inIdx, hash_type)
sig = privkey.sign(sig_hash)
hash_type_hex = format_hex_string(hex(hash_type), with_prefix=False).decode('hex')
sig = sig + hash_type_hex
txTo.vin[inIdx].scriptSig = Script([sig, privkey.pub])
if self.verify_script.isChecked():
# Try verify
try:
VerifyScript(txTo.vin[inIdx].scriptSig, script, txTo, inIdx, (SCRIPT_VERIFY_P2SH,))
except Exception as e:
self.set_result_message('Error when verifying: %s' % str(e), error=True)
return
self.dock.deserialize_raw(b2x(txTo.serialize()))
# Deserializing a tx clears the model, so re-populate.
self.model.set_fields(script=script.get_human(), inIdx=inIdx, hashType=hash_type)
self.set_result_message('Successfully set scriptSig for input %d (SigHash type: %s).' % (inIdx, sig_hash_name(hash_type)))