def __init__(self, storage):
BIP32_HD_Wallet.__init__(self, storage)
self.transport = None
self.client = None
self.mpk = None
self.device_checked = False
self.signing = False
self.force_watching_only = False
def __init__(self, storage):
BIP32_HD_Wallet.__init__(self, storage)
self.transport = None
self.client = None
self.mpk = None
self.device_checked = False
self.force_watching_only = False
always_hook('add_plugin', self)
def __init__(self, storage):
BIP32_HD_Wallet.__init__(self, storage)
self.transport = None
self.client = None
self.mpk = None
self.device_checked = False
self.signing = False
self.force_watching_only = False
def __init__(self, storage):
BIP32_HD_Wallet.__init__(self, storage)
self.transport = None
self.client = None
self.mpk = None
self.device_checked = False
self.force_watching_only = False
always_hook('add_plugin', self)
def sign_transaction(self, tx, password):
if self.has_seed():
return BIP32_HD_Wallet.sign_transaction(self, tx, password)
if tx.is_complete():
return
if not self.check_proper_device():
give_error('Wrong device or password')
# previous transactions used as inputs
prev_tx = {}
# path of the xpubs that are involved
xpub_path = {}
for txin in tx.inputs:
tx_hash = txin['prevout_hash']
ptx = self.transactions.get(tx_hash)
if ptx is None:
ptx = self.network.synchronous_get(('blockchain.transaction.get', [tx_hash]))
ptx = Transaction(ptx)
prev_tx[tx_hash] = ptx
for x_pubkey in txin['x_pubkeys']:
account_derivation = None
if not is_extended_pubkey(x_pubkey):
continue
xpub = x_to_xpub(x_pubkey)
for k, v in self.master_public_keys.items():
if v == xpub:
account_id = re.match("x/(\d+)'", k).group(1)
account_derivation = "44'/2'/%s'"%account_id
if account_derivation is not None:
xpub_path[xpub] = account_derivation
self.plugin.sign_transaction(tx, prev_tx, xpub_path)
def sign_message(self, address, message, password):
if self.has_seed():
return BIP32_HD_Wallet.sign_message(self, address, message, password)
use2FA = False
self.signing = True
self.get_client() # prompt for the PIN before displaying the dialog if necessary
if not self.check_proper_device():
self.give_error('Wrong device or password')
address_path = self.address_id(address)
self.plugin.handler.show_message("Signing message ...")
try:
info = self.get_client().signMessagePrepare(address_path, message)
pin = ""
if info['confirmationNeeded']:
# TODO : handle different confirmation types. For the time being only supports keyboard 2FA
use2FA = True
confirmed, p, pin = self.password_dialog()
if not confirmed:
raise Exception('Aborted by user')
pin = pin.encode()
self.client.bad = True
self.device_checked = False
self.get_client(True)
signature = self.get_client().signMessageSign(pin)
except BTChipException, e:
if e.sw == 0x6a80:
self.give_error("Unfortunately, this message cannot be signed by the Ledger wallet. Only alphanumerical messages shorter than 140 characters are supported. Please remove any extra characters (tab, carriage return) and retry.")
else:
self.give_error(e, True)
def sign_message(self, address, message, password):
if self.has_seed():
return BIP32_HD_Wallet.sign_message(self, address, message, password)
if not self.check_proper_device():
give_error('Wrong device or password')
try:
address_path = self.address_id(address)
address_n = self.plugin.get_client().expand_path(address_path)
except Exception, e:
give_error(e)
def __init__(self, storage):
BIP32_HD_Wallet.__init__(self, storage)
self.mpk = None
self.device_checked = False
self.proper_device = False
self.force_watching_only = False
def sign_transaction(self, tx, password):
if self.has_seed():
return BIP32_HD_Wallet.sign_transaction(self, tx, password)
if tx.is_complete():
return
#if tx.error:
# raise BaseException(tx.error)
self.signing = True
inputs = []
inputsPaths = []
pubKeys = []
trustedInputs = []
redeemScripts = []
signatures = []
preparedTrustedInputs = []
changePath = ""
changeAmount = None
output = None
outputAmount = None
use2FA = False
pin = ""
rawTx = tx.serialize()
# Fetch inputs of the transaction to sign
for txinput in tx.inputs:
if ('is_coinbase' in txinput and txinput['is_coinbase']):
self.give_error("Coinbase not supported") # should never happen
inputs.append([ self.transactions[txinput['prevout_hash']].raw,
txinput['prevout_n'] ])
address = txinput['address']
inputsPaths.append(self.address_id(address))
pubKeys.append(self.get_public_keys(address))
# Recognize outputs - only one output and one change is authorized
if len(tx.outputs) > 2: # should never happen
self.give_error("Transaction with more than 2 outputs not supported")
for type, address, amount in tx.outputs:
assert type == 'address'
if self.is_change(address):
changePath = self.address_id(address)
changeAmount = amount
else:
if output <> None: # should never happen
self.give_error("Multiple outputs with no change not supported")
output = address
if not self.canAlternateCoinVersions:
v, h = bc_address_to_hash_160(address)
if v == 48:
output = hash_160_to_bc_address(h, 0)
outputAmount = amount
self.get_client() # prompt for the PIN before displaying the dialog if necessary
if not self.check_proper_device():
self.give_error('Wrong device or password')
self.plugin.handler.show_message("Signing Transaction ...")
try:
# Get trusted inputs from the original transactions
for utxo in inputs:
txtmp = bitcoinTransaction(bytearray(utxo[0].decode('hex')))
trustedInputs.append(self.get_client().getTrustedInput(txtmp, utxo[1]))
# TODO : Support P2SH later
redeemScripts.append(txtmp.outputs[utxo[1]].script)
# Sign all inputs
firstTransaction = True
inputIndex = 0
while inputIndex < len(inputs):
self.get_client().startUntrustedTransaction(firstTransaction, inputIndex,
trustedInputs, redeemScripts[inputIndex])
outputData = self.get_client().finalizeInput(output, format_satoshis_plain(outputAmount),
format_satoshis_plain(self.get_tx_fee(tx)), changePath, bytearray(rawTx.decode('hex')))
if firstTransaction:
transactionOutput = outputData['outputData']
if outputData['confirmationNeeded']:
# TODO : handle different confirmation types. For the time being only supports keyboard 2FA
self.plugin.handler.stop()
if 'keycardData' in outputData:
pin2 = ""
for keycardIndex in range(len(outputData['keycardData'])):
msg = "Do not enter your device PIN here !\r\n\r\n" + \
"Your Ledger Wallet wants to talk to you and tell you a unique second factor code.\r\n" + \
"For this to work, please match the character between stars of the output address using your security card\r\n\r\n" + \
"Output address : "
for index in range(len(output)):
if index == outputData['keycardData'][keycardIndex]:
msg = msg + "*" + output[index] + "*"
else:
msg = msg + output[index]
msg = msg + "\r\n"
confirmed, p, pin = self.password_dialog(msg)
if not confirmed:
raise Exception('Aborted by user')
try:
pin2 = pin2 + chr(int(pin[0], 16))
except:
raise Exception('Invalid PIN character')
pin = pin2
else:
use2FA = True
confirmed, p, pin = self.password_dialog()
if not confirmed:
raise Exception('Aborted by user')
pin = pin.encode()
self.client.bad = True
self.device_checked = False
self.get_client(True)
self.plugin.handler.show_message("Signing ...")
else:
# Sign input with the provided PIN
inputSignature = self.get_client().untrustedHashSign(inputsPaths[inputIndex],
pin)
inputSignature[0] = 0x30 # force for 1.4.9+
signatures.append(inputSignature)
inputIndex = inputIndex + 1
firstTransaction = False
except Exception, e:
self.give_error(e, True)
