tMerge branch 'm0mchil-trezor_plugin' - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit bbfd708333421119c78398f050be4f2898adc8c1
DIR parent a6091780d0c008f989643080a54f96eb96df51d1
HTML Author: ThomasV <thomasv@gitorious>
Date: Fri, 8 Aug 2014 19:08:25 +0200
Merge branch 'm0mchil-trezor_plugin'
Diffstat:
M gui/qt/password_dialog.py | 6 +++---
M lib/transaction.py | 2 +-
A plugins/trezor.py | 420 +++++++++++++++++++++++++++++++
3 files changed, 424 insertions(+), 4 deletions(-)
---
DIR diff --git a/gui/qt/password_dialog.py b/gui/qt/password_dialog.py
t@@ -23,7 +23,7 @@ from util import *
-def make_password_dialog(self, wallet, msg):
+def make_password_dialog(self, wallet, msg, new_pass=True):
self.pw = QLineEdit()
self.pw.setEchoMode(2)
t@@ -58,8 +58,8 @@ def make_password_dialog(self, wallet, msg):
if wallet and wallet.use_encryption:
grid.addWidget(QLabel(_('Password')), 0, 0)
grid.addWidget(self.pw, 0, 1)
-
- grid.addWidget(QLabel(_('New Password')), 1, 0)
+
+ grid.addWidget(QLabel(_('New Password') if new_pass else _('Password')), 1, 0)
grid.addWidget(self.new_pw, 1, 1)
grid.addWidget(QLabel(_('Confirm Password')), 2, 0)
DIR diff --git a/lib/transaction.py b/lib/transaction.py
t@@ -439,7 +439,7 @@ def parse_input(vds):
d = {}
prevout_hash = hash_encode(vds.read_bytes(32))
prevout_n = vds.read_uint32()
- scriptSig = vds.read_bytes(vds.read_compact_size())
+ d['scriptSig'] = scriptSig = vds.read_bytes(vds.read_compact_size())
sequence = vds.read_uint32()
if prevout_hash == '00'*32:
d['is_coinbase'] = True
DIR diff --git a/plugins/trezor.py b/plugins/trezor.py
t@@ -0,0 +1,420 @@
+from PyQt4.Qt import QMessageBox, QDialog, QVBoxLayout, QLabel, QThread, SIGNAL
+import PyQt4.QtCore as QtCore
+from binascii import unhexlify
+from struct import pack
+from sys import stderr
+from time import sleep
+from base64 import b64encode, b64decode
+
+from electrum_gui.qt.password_dialog import make_password_dialog, run_password_dialog
+from electrum_gui.qt.util import ok_cancel_buttons
+from electrum.account import BIP32_Account
+from electrum.bitcoin import EncodeBase58Check, public_key_to_bc_address
+from electrum.i18n import _
+from electrum.plugins import BasePlugin
+from electrum.transaction import deserialize
+from electrum.wallet import NewWallet
+
+
+try:
+ from trezorlib.client import types
+ from trezorlib.client import proto, BaseClient, ProtocolMixin
+ from trezorlib.qt.pinmatrix import PinMatrixWidget
+ from trezorlib.transport import ConnectionError
+ from trezorlib.transport_hid import HidTransport
+ TREZOR = True
+except ImportError:
+ TREZOR = False
+
+def log(msg):
+ stderr.write("%s\n" % msg)
+ stderr.flush()
+
+class Plugin(BasePlugin):
+
+ def fullname(self): return 'Trezor Wallet'
+
+ def description(self): return 'Provides support for Trezor hardware wallet\n\nRequires github.com/trezor/python-trezor'
+
+ def __init__(self, gui, name):
+ BasePlugin.__init__(self, gui, name)
+ self._is_available = self._init()
+ self.wallet = None
+
+ def _init(self):
+ return TREZOR
+
+ def is_available(self):
+ return self._is_available
+
+ def set_enabled(self, enabled):
+ self.wallet.storage.put('use_' + self.name, enabled)
+
+ def is_enabled(self):
+ if not self.is_available():
+ return False
+
+ if not self.wallet or self.wallet.storage.get('wallet_type') == 'trezor':
+ return True
+
+ return self.wallet.storage.get('use_' + self.name) is True
+
+ def enable(self):
+ return BasePlugin.enable(self)
+
+ def load_wallet(self, wallet):
+ self.wallet = wallet
+
+ def add_wallet_types(self, wallet_types):
+ wallet_types.append(('trezor', _("Trezor wallet"), TrezorWallet))
+
+ def installwizard_restore(self, wizard, storage):
+ wallet = TrezorWallet(storage)
+ wallet.create_accounts(None)
+ return wallet
+
+ def send_tx(self, tx):
+ try:
+ self.wallet.sign_transaction(tx, None, None)
+ except Exception as e:
+ tx.error = str(e)
+
+
+class TrezorWallet(NewWallet):
+
+ def __init__(self, storage):
+ self.transport = None
+ self.client = None
+ self.mpk = None
+
+ NewWallet.__init__(self, storage)
+
+ self.seed = 'trezor'
+
+ self.storage.put('gap_limit', 20, False) #obey BIP44 gap limit of 20
+
+ self.use_encryption = False
+
+ self.storage.put('seed', self.seed, False)
+ self.storage.put('seed_version', self.seed_version, False)
+ self.storage.put('use_encryption', self.use_encryption, False)
+
+ self.device_checked = False
+
+ def get_action(self):
+ if not self.accounts:
+ return 'create_accounts'
+
+ def can_create_accounts(self):
+ return True
+
+ def is_watching_only(self):
+ return False
+
+ def default_account(self):
+ return "44'/0'/0'"
+
+ def get_client(self):
+ if not TREZOR:
+ raise Exception('please install github.com/trezor/python-trezor')
+
+ if not self.client or self.client.bad:
+ try:
+ d = HidTransport.enumerate()[0]
+ self.transport = HidTransport(d)
+ except:
+ raise Exception("Trezor not found")
+ self.client = QtGuiTrezorClient(self.transport)
+ self.client.set_tx_api(self)
+ #self.client.clear_session()# TODO Doesn't work with firmware 1.1, returns proto.Failure
+ self.client.bad = False
+ self.device_checked = False
+ self.proper_device = False
+ return self.client
+
+ def account_id(self, i):
+ return "44'/0'/%d'"%i
+
+ def address_id(self, address):
+ account_id, (change, address_index) = self.get_address_index(address)
+ return "%s/%d/%d" % (account_id, change, address_index)
+
+ def create_accounts(self, password):
+ self.create_account('Main account', '') #name, empty password
+
+ def make_account(self, account_id, password):
+ xpub = self.get_public_key(account_id)
+ self.add_master_public_key(account_id, xpub)
+ account = BIP32_Account({'xpub':xpub})
+ return account
+
+ def get_public_key(self, bip32_path):
+ address_n = self.get_client().expand_path(bip32_path)
+ node = self.get_client().get_public_node(address_n).node
+ xpub = "0488B21E".decode('hex') + chr(node.depth) + self.i4b(node.fingerprint) + self.i4b(node.child_num) + node.chain_code + node.public_key
+ return EncodeBase58Check(xpub)
+
+ def get_master_public_key(self):
+ if not self.mpk:
+ self.mpk = self.get_public_key("44'/0'")
+ return self.mpk
+
+ def i4b(self, x):
+ return pack('I', x)
+
+ def add_keypairs(self, tx, keypairs, password):
+ #do nothing - no priv keys available
+ pass
+
+ def decrypt_message(self, pubkey, message, password):
+ try:
+ address = public_key_to_bc_address(pubkey.decode('hex'))
+ address_path = self.address_id(address)
+ address_n = self.get_client().expand_path(address_path)
+ except Exception, e:
+ raise e
+ try:
+ decrypted_msg = self.get_client().decrypt_message(address_n, b64decode(message))
+ except Exception, e:
+ raise e
+ finally:
+ twd.emit(SIGNAL('trezor_done'))
+ return str(decrypted_msg)
+
+ def sign_message(self, address, message, password):
+ try:
+ address_path = self.address_id(address)
+ address_n = self.get_client().expand_path(address_path)
+ except Exception, e:
+ raise
+ try:
+ msg_sig = self.get_client().sign_message('Bitcoin', address_n, message)
+ except Exception, e:
+ raise e
+ finally:
+ twd.emit(SIGNAL('trezor_done'))
+ b64_msg_sig = b64encode(msg_sig.signature)
+ return str(b64_msg_sig)
+
+ def sign_transaction(self, tx, keypairs, password):
+ if tx.error or tx.is_complete():
+ return
+
+ if not self.check_proper_device():
+ raise Exception('Wrong device or password')
+
+ inputs = self.tx_inputs(tx)
+ outputs = self.tx_outputs(tx)
+ try:
+ signed_tx = self.get_client().sign_tx('Bitcoin', inputs, outputs)[1]
+ except Exception, e:
+ raise e
+ finally:
+ twd.emit(SIGNAL('trezor_done'))
+ values = [i['value'] for i in tx.inputs]
+ raw = signed_tx.encode('hex')
+ tx.update(raw)
+ for i, txinput in enumerate(tx.inputs):
+ txinput['value'] = values[i]
+
+ def tx_inputs(self, tx):
+ inputs = []
+
+ for txinput in tx.inputs:
+ txinputtype = types.TxInputType()
+ address = txinput['address']
+ try:
+ address_path = self.address_id(address)
+ address_n = self.get_client().expand_path(address_path)
+ txinputtype.address_n.extend(address_n)
+ except: pass
+
+ if ('is_coinbase' in txinput and txinput['is_coinbase']):
+ prev_hash = "\0"*32
+ prev_index = 0xffffffff # signed int -1
+ else:
+ prev_hash = unhexlify(txinput['prevout_hash'])
+ prev_index = txinput['prevout_n']
+
+ txinputtype.prev_hash = prev_hash
+ txinputtype.prev_index = prev_index
+
+ if 'scriptSig' in txinput:
+ script_sig = txinput['scriptSig']
+ txinputtype.script_sig = script_sig
+
+ if 'sequence' in txinput:
+ sequence = txinput['sequence']
+ txinputtype.sequence = sequence
+
+ inputs.append(txinputtype)
+ #TODO P2SH
+ return inputs
+
+ def tx_outputs(self, tx):
+ outputs = []
+
+ for type, address, amount in tx.outputs:
+ txoutputtype = types.TxOutputType()
+
+ if self.is_change(address):
+ address_path = self.address_id(address)
+ address_n = self.get_client().expand_path(address_path)
+ txoutputtype.address_n.extend(address_n)
+ else:
+ txoutputtype.address = address
+
+ txoutputtype.amount = amount
+
+ txoutputtype.script_type = types.PAYTOADDRESS
+ #TODO
+ #if output['is_p2sh']:
+ # txoutputtype.script_type = types.PAYTOSCRIPTHASH
+
+ outputs.append(txoutputtype)
+ return outputs
+
+ def electrum_tx_to_txtype(self, tx):
+ t = types.TransactionType()
+ d = deserialize(tx.raw)
+ t.version = d['version']
+ t.lock_time = d['lockTime']
+
+ inputs = self.tx_inputs(tx)
+ t.inputs.extend(inputs)
+
+ for vout in d['outputs']:
+ o = t.bin_outputs.add()
+ o.amount = vout['value']
+ o.script_pubkey = vout['scriptPubKey'].decode('hex')
+
+ return t
+
+ def get_tx(self, tx_hash):
+ tx = self.transactions[tx_hash]
+ return self.electrum_tx_to_txtype(tx)
+
+ def check_proper_device(self):
+ self.get_client().ping('t')
+ if not self.device_checked:
+ address = self.addresses(False, False)[0]
+ address_id = self.address_id(address)
+ n = self.get_client().expand_path(address_id)
+ device_address = self.get_client().get_address('Bitcoin', n)
+ self.device_checked = True
+
+ if device_address != address:
+ self.proper_device = False
+ else:
+ self.proper_device = True
+
+ return self.proper_device
+
+
+class TrezorQtGuiMixin(object):
+
+ def __init__(self, *args, **kwargs):
+ super(TrezorQtGuiMixin, self).__init__(*args, **kwargs)
+
+ def callback_ButtonRequest(self, msg):
+ if msg.code == 3:
+ message = "Confirm transaction outputs on Trezor device to continue"
+ elif msg.code == 8:
+ message = "Confirm transaction fee on Trezor device to continue"
+ elif msg.code == 7:
+ message = "Confirm message to sign on Trezor device to continue"
+ else:
+ message = "Check Trezor device to continue"
+ twd.start(message)
+ return proto.ButtonAck()
+
+ def callback_PinMatrixRequest(self, msg):
+ if msg.type == 1:
+ desc = 'old PIN'
+ elif msg.type == 2:
+ desc = 'new PIN'
+ elif msg.type == 3:
+ desc = 'new PIN again'
+ else:
+ desc = 'PIN'
+
+ pin = self.pin_dialog(msg="Please enter Trezor %s" % desc)
+ if not pin:
+ return proto.Cancel()
+ return proto.PinMatrixAck(pin=pin)
+
+ def callback_PassphraseRequest(self, msg):
+ confirmed, p, passphrase = self.password_dialog()
+ if not confirmed:
+ QMessageBox.critical(None, _('Error'), _("Password request canceled"), _('OK'))
+ return proto.Cancel()
+ if passphrase is None:
+ passphrase='' # Even blank string is valid Trezor passphrase
+ return proto.PassphraseAck(passphrase=passphrase)
+
+ def callback_WordRequest(self, msg):
+ #TODO
+ log("Enter one word of mnemonic: ")
+ word = raw_input()
+ return proto.WordAck(word=word)
+
+ def password_dialog(self, msg=None):
+ if not msg:
+ msg = _("Please enter your Trezor password")
+
+ d = QDialog()
+ d.setModal(1)
+ d.setLayout( make_password_dialog(d, None, msg, False) )
+ return run_password_dialog(d, None, None)
+
+ def pin_dialog(self, msg):
+ d = QDialog(None)
+ d.setModal(1)
+ d.setWindowTitle(_("Enter PIN"))
+ matrix = PinMatrixWidget()
+
+ vbox = QVBoxLayout()
+ vbox.addWidget(QLabel(msg))
+ vbox.addWidget(matrix)
+ vbox.addLayout(ok_cancel_buttons(d))
+ d.setLayout(vbox)
+
+ if not d.exec_(): return
+ return str(matrix.get_value())
+
+class TrezorWaitingDialog(QThread):
+ def __init__(self):
+ QThread.__init__(self)
+ self.waiting = False
+
+ def start(self, message):
+ self.d = QDialog()
+ self.d.setModal(1)
+ self.d.setWindowTitle('Please Check Trezor Device')
+ self.d.setWindowFlags(self.d.windowFlags() | QtCore.Qt.WindowStaysOnTopHint)
+ l = QLabel(message)
+ vbox = QVBoxLayout(self.d)
+ vbox.addWidget(l)
+ self.d.show()
+ if not self.waiting:
+ self.waiting = True
+ self.d.connect(twd, SIGNAL('trezor_done'), self.stop)
+
+ def stop(self):
+ self.d.hide()
+ self.waiting = False
+
+
+if TREZOR:
+ class QtGuiTrezorClient(ProtocolMixin, TrezorQtGuiMixin, BaseClient):
+ def call_raw(self, msg):
+ try:
+ resp = BaseClient.call_raw(self, msg)
+ except ConnectionError:
+ self.bad = True
+ raise
+
+ return resp
+
+ twd = TrezorWaitingDialog()
+