thooks and workflow for 2of3 wallets - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit 102bc204d512f3672c402e8ec8451ef2fbedc762
DIR parent f4b16219100ed4502f7e5c7c55f0a52f67e56388
HTML Author: ThomasV <thomasv@gitorious>
Date: Sun, 6 Apr 2014 21:38:53 +0200
hooks and workflow for 2of3 wallets
Diffstat:
M electrum | 21 +++++++++++++++------
M gui/qt/__init__.py | 8 ++++++++
M gui/qt/installwizard.py | 106 ++++++++++++++++++++++++++-----
M gui/qt/seed_dialog.py | 103 ++++++++++++++-----------------
M lib/__init__.py | 2 +-
M lib/wallet.py | 85 ++++++++++++++++++++++++++++---
6 files changed, 236 insertions(+), 89 deletions(-)
---
DIR diff --git a/electrum b/electrum
t@@ -91,6 +91,7 @@ def arg_parser():
parser.add_option("-W", "--password", dest="password", default=None, help="set password for usage with commands (currently only implemented for create command, do not use it for longrunning gui session since the password is visible in /proc)")
parser.add_option("-1", "--oneserver", action="store_true", dest="oneserver", default=False, help="connect to one server only")
parser.add_option("--bip32", action="store_true", dest="bip32", default=False, help="bip32 (not final)")
+ parser.add_option("--2of3", action="store_true", dest="2of3", default=False, help="create 2of3 wallet")
parser.add_option("--mpk", dest="mpk", default=False, help="restore from master public key")
return parser
t@@ -269,12 +270,20 @@ if __name__ == '__main__':
print_msg("Warning: This wallet was restored offline. It may contain more addresses than displayed.")
else:
- wallet = Wallet(storage)
- wallet.init_seed(None)
- wallet.save_seed(password)
- wallet.synchronize()
- print_msg("Your wallet generation seed is:\n\"%s\"" % wallet.get_mnemonic(password))
- print_msg("Please keep it in a safe place; if you lose it, you will not be able to restore your wallet.")
+ if not config.get('2of3'):
+ wallet = Wallet(storage)
+ wallet.init_seed(None)
+ wallet.save_seed(password)
+ wallet.synchronize()
+ print_msg("Your wallet generation seed is:\n\"%s\"" % wallet.get_mnemonic(password))
+ print_msg("Please keep it in a safe place; if you lose it, you will not be able to restore your wallet.")
+ else:
+ wallet = Wallet_2of3(storage)
+ cold_seed = wallet.init_cold_seed()
+ print_msg("Your cold seed is:\n\"%s\"" % cold_seed)
+ print_msg("Please store it on paper. ")
+ print_msg("Open this file on your online computer to complete your wallet creation.")
+
print_msg("Wallet saved in '%s'" % wallet.storage.path)
DIR diff --git a/gui/qt/__init__.py b/gui/qt/__init__.py
t@@ -83,6 +83,14 @@ class ElectrumGui:
wallet = wizard.run()
if not wallet:
exit()
+
+ elif storage.get('wallet_type') in ['2of3'] and storage.get('seed') is None:
+ import installwizard
+ wizard = installwizard.InstallWizard(self.config, self.network, storage)
+ wallet = wizard.run(action= 'create2of3')
+ if not wallet:
+ exit()
+
else:
wallet = Wallet(storage)
wallet.start_threads(self.network)
DIR diff --git a/gui/qt/installwizard.py b/gui/qt/installwizard.py
t@@ -3,7 +3,7 @@ from PyQt4.QtCore import *
import PyQt4.QtCore as QtCore
from electrum.i18n import _
-from electrum import Wallet
+from electrum import Wallet, Wallet_2of3
from seed_dialog import SeedDialog
from network_dialog import NetworkDialog
t@@ -12,6 +12,7 @@ from amountedit import AmountEdit
import sys
import threading
+from electrum.plugins import run_hook
class InstallWizard(QDialog):
t@@ -81,12 +82,15 @@ class InstallWizard(QDialog):
return answer
- def verify_seed(self, wallet):
+
+
+
+ def verify_seed(self, seed):
r = self.seed_dialog(False)
if not r:
return
- if r != wallet.get_mnemonic(None):
+ if r != seed:
QMessageBox.warning(None, _('Error'), _('Incorrect seed'), _('OK'))
return False
else:
t@@ -233,10 +237,29 @@ class InstallWizard(QDialog):
return
+ def show_message(self, msg):
+ vbox = QVBoxLayout()
+ vbox.addWidget(QLabel(msg))
+ vbox.addStretch(1)
+ vbox.addLayout(close_button(self, _('Next')))
+ self.set_layout(vbox)
+ if not self.exec_():
+ return None
+
+ def question(self, msg):
+ vbox = QVBoxLayout()
+ vbox.addWidget(QLabel(msg))
+ vbox.addStretch(1)
+ vbox.addLayout(ok_cancel_buttons(self, _('OK')))
+ self.set_layout(vbox)
+ if not self.exec_():
+ return None
+ return True
- def show_seed(self, wallet):
+
+ def show_seed(self, seed, sid):
from seed_dialog import make_seed_dialog
- vbox = make_seed_dialog(wallet.get_mnemonic(None), wallet.imported_keys)
+ vbox = make_seed_dialog(seed, sid)
vbox.addLayout(ok_cancel_buttons(self, _("Next")))
self.set_layout(vbox)
return self.exec_()
t@@ -250,27 +273,76 @@ class InstallWizard(QDialog):
return run_password_dialog(self, wallet, self)
- def run(self):
+ def choose_wallet_type(self):
+ grid = QGridLayout()
+ grid.setSpacing(5)
+
+ msg = _("Choose your wallet.")
+ label = QLabel(msg)
+ label.setWordWrap(True)
+ grid.addWidget(label, 0, 0)
+
+ gb = QGroupBox()
+
+ b1 = QRadioButton(gb)
+ b1.setText(_("Standard wallet (protected by password)"))
+ b1.setChecked(True)
+
+ b2 = QRadioButton(gb)
+ b2.setText(_("Multi-signature wallet (two-factor authentication)"))
+
+ grid.addWidget(b1,1,0)
+ grid.addWidget(b2,2,0)
+
+ vbox = QVBoxLayout()
+
+ vbox.addLayout(grid)
+ vbox.addStretch(1)
+ vbox.addLayout(ok_cancel_buttons(self, _('Next')))
- action = self.restore_or_create()
- if not action:
+ self.set_layout(vbox)
+ if not self.exec_():
return
+
+ if b1.isChecked():
+ return 'standard'
+ elif b2.isChecked():
+ return '2of3'
+
+
+ def run(self, action = None):
+
+ if action is None:
+ action = self.restore_or_create()
- #gap = self.config.get('gap_limit', 5)
- #if gap != 5:
- # wallet.gap_limit = gap
- # wallet.storage.put('gap_limit', gap, True)
+ if action is None:
+ return
+
+ if action == 'create':
+ t = self.choose_wallet_type()
+ if t == '2of3':
+ run_hook('create_cold_seed', self.storage, self)
+ return
+
+
+ if action in ['create', 'create2of3']:
- if action == 'create':
wallet = Wallet(self.storage)
- wallet.init_seed(None)
- if not self.show_seed(wallet):
+
+ wallet.init_seed("note blind gun eye escape home surprise freedom bee carefully rant alter strength")
+ seed = wallet.get_mnemonic(None)
+ if not self.show_seed(seed, 'hot' if action == 'create2of3' else None):
return
- if not self.verify_seed(wallet):
+ if not self.verify_seed(seed):
return
ok, old_password, password = self.password_dialog(wallet)
+ wallet.save_seed(password)
+
+ if action == 'create2of3':
+ run_hook('create_hot_seed', wallet, self)
+
+ wallet.create_accounts(password)
def create():
- wallet.save_seed(password)
wallet.synchronize() # generate first addresses offline
self.waiting_dialog(create)
DIR diff --git a/gui/qt/seed_dialog.py b/gui/qt/seed_dialog.py
t@@ -29,68 +29,57 @@ class SeedDialog(QDialog):
QDialog.__init__(self, parent)
self.setModal(1)
self.setWindowTitle('Electrum' + ' - ' + _('Seed'))
- self.parent = parent
-
- vbox = make_seed_dialog(seed, imported_keys)
+ vbox = make_seed_dialog(seed)
+ if imported_keys:
+ vbox.addWidget(QLabel("<b>"+_("WARNING")+":</b> " + _("Your wallet contains imported keys. These keys cannot be recovered from seed.") + "</b><p>"))
vbox.addLayout(close_button(self))
self.setLayout(vbox)
-class PrivateKeysDialog(QDialog):
- def __init__(self, parent, private_keys):
- QDialog.__init__(self, parent)
- self.setModal(1)
- self.setWindowTitle('Electrum' + ' - ' + _('Master Private Keys'))
- self.parent = parent
- vbox = QVBoxLayout(self)
- vbox.addWidget(QLabel(_("The seed has been removed from the wallet. It contains the following master private keys")+ ":"))
- for k,v in sorted(private_keys.items()):
- vbox.addWidget(QLabel(k))
- vbox.addWidget(QLineEdit(v))
-
- vbox.addLayout(close_button(self))
-
-
-
-
-
-def make_seed_dialog(seed, imported_keys):
+def make_seed_dialog(seed, sid=None):
- words = seed.split()
+ save_msg = _("Please save these %d words on paper (order is important).")%len(seed.split()) + " "
+ qr_msg = _("Your seed is also displayed as QR code, in case you want to transfer it to a mobile phone.") + "<p>"
+ warning_msg = "<b>"+_("WARNING")+":</b> " + _("Never disclose your seed. Never type it on a website.") + "</b><p>"
- label1 = QLabel(_("Your wallet generation seed is")+ ":")
-
- seed_text = QTextEdit(seed)
- seed_text.setReadOnly(True)
- seed_text.setMaximumHeight(130)
+ if sid is None:
+ msg = _("Your wallet generation seed is")
+ msg2 = save_msg + " " \
+ + _("This seed will allow you to recover your wallet in case of computer failure.") + "<br/>" \
+ + warning_msg
- msg2 = _("Please write down or memorize these %d words (order is important).")%len(words) + " " \
- + _("This seed will allow you to recover your wallet in case of computer failure.") + " " \
- + _("Your seed is also displayed as QR code, in case you want to transfer it to a mobile phone.") + "<p>" \
- + "<b>"+_("WARNING")+":</b> " + _("Never disclose your seed. Never type it on a website.") + "</b><p>"
- if imported_keys:
- msg2 += "<b>"+_("WARNING")+":</b> " + _("Your wallet contains imported keys. These keys cannot be recovered from seed.") + "</b><p>"
- label2 = QLabel(msg2)
- label2.setWordWrap(True)
-
- logo = QLabel()
- logo.setPixmap(QPixmap(":icons/seed.png").scaledToWidth(56))
- logo.setMaximumWidth(60)
-
- qrw = QRCodeWidget(seed)
-
- grid = QGridLayout()
-
- grid.addWidget(logo, 0, 0)
- grid.addWidget(label1, 0, 1)
-
- grid.addWidget(seed_text, 1, 0, 1, 2)
-
- grid.addWidget(qrw, 0, 2, 2, 1)
-
- vbox = QVBoxLayout()
- vbox.addLayout(grid)
- vbox.addWidget(label2)
-
- return vbox
+ elif sid == 'cold':
+ msg = _("Your cold storage seed is")
+ msg2 = save_msg + " " \
+ + _("This seed will be permanently deleted from your wallet file. Make sure you have saved it before you press 'next'") + " " \
+
+ elif sid == 'hot':
+ msg = _("Your main seed is")
+ msg2 = save_msg + " " \
+ + _("If you ever need to recover your wallet from seed, you will need both this seed and your cold seed.") + " " \
+
+ label1 = QLabel(msg+ ":")
+ seed_text = QTextEdit(seed)
+ seed_text.setReadOnly(True)
+ seed_text.setMaximumHeight(130)
+
+ label2 = QLabel(msg2)
+ label2.setWordWrap(True)
+
+ logo = QLabel()
+ logo.setPixmap(QPixmap(":icons/seed.png").scaledToWidth(56))
+ logo.setMaximumWidth(60)
+
+ grid = QGridLayout()
+ grid.addWidget(logo, 0, 0)
+ grid.addWidget(label1, 0, 1)
+ grid.addWidget(seed_text, 1, 0, 1, 2)
+ #qrw = QRCodeWidget(seed)
+ #grid.addWidget(qrw, 0, 2, 2, 1)
+ vbox = QVBoxLayout()
+ vbox.addLayout(grid)
+ vbox.addWidget(label2)
+ vbox.addStretch(1)
+
+ return vbox
DIR diff --git a/lib/__init__.py b/lib/__init__.py
t@@ -1,7 +1,7 @@
from version import ELECTRUM_VERSION
from util import format_satoshis, print_msg, print_json, print_error, set_verbosity
from wallet import WalletSynchronizer, WalletStorage
-from wallet import Wallet
+from wallet import Wallet, Wallet_2of3
from verifier import TxVerifier
from network import Network, DEFAULT_SERVERS, DEFAULT_PORTS, pick_random_server
from interface import Interface
DIR diff --git a/lib/wallet.py b/lib/wallet.py
t@@ -309,6 +309,7 @@ class NewWallet:
self.seed = unicodedata.normalize('NFC', unicode(seed.strip()))
+
def save_seed(self, password):
t@@ -318,7 +319,7 @@ class NewWallet:
self.storage.put('seed', self.seed, True)
self.storage.put('seed_version', self.seed_version, True)
self.storage.put('use_encryption', self.use_encryption,True)
- self.create_accounts(password)
+ self.create_master_keys(password)
def create_watching_only_wallet(self, xpub):
t@@ -331,16 +332,18 @@ class NewWallet:
def create_accounts(self, password):
seed = pw_decode(self.seed, password)
- # create default account
- self.create_master_keys(password)
self.create_account('Main account', password)
+ def add_master_public_key(self, name, mpk):
+ self.master_public_keys[name] = mpk
+ self.storage.put('master_public_keys', self.master_public_keys, True)
+
+
def create_master_keys(self, password):
xpriv, xpub = bip32_root(self.get_seed(password))
- self.master_public_keys["m/"] = xpub
+ self.add_master_public_key("m/", xpub)
self.master_private_keys["m/"] = pw_encode(xpriv, password)
- self.storage.put('master_public_keys', self.master_public_keys, True)
self.storage.put('master_private_keys', self.master_private_keys, True)
t@@ -1463,6 +1466,63 @@ class NewWallet:
+class Wallet_2of2(NewWallet):
+
+ def __init__(self, storage):
+ NewWallet.__init__(self, storage)
+ self.storage.put('wallet_type', '2of2', True)
+
+ def init_cold_seed(self):
+ cold_seed = self.make_seed()
+ seed = mnemonic_to_seed(cold_seed,'').encode('hex')
+ xpriv, xpub = bip32_root(seed)
+ self.master_public_keys["cold/"] = xpub
+ return cold_seed
+
+ def save_cold_seed(self):
+ self.storage.put('master_public_keys', self.master_public_keys, True)
+
+
+ def make_account(self, account_id, password):
+ # if accounts are hardened, we cannot make it symmetric on the other wallet
+
+ """Creates and saves the master keys, but does not save the account"""
+ master_xpriv = pw_decode( self.master_private_keys["m/"] , password )
+ xpriv, xpub = bip32_private_derivation(master_xpriv, "m/", account_id)
+ self.master_private_keys[account_id] = pw_encode(xpriv, password)
+ self.master_public_keys[account_id] = xpub
+ self.storage.put('master_public_keys', self.master_public_keys, True)
+ self.storage.put('master_private_keys', self.master_private_keys, True)
+
+ xpub_cold = self.master_public_keys["cold/"]
+ account = BIP32_Account_2of2({'xpub':xpub, 'xpub2':xpub_cold})
+ return account
+
+
+class Wallet_2of3(Wallet_2of2):
+
+ def __init__(self, storage):
+ NewWallet.__init__(self, storage)
+ self.storage.put('wallet_type', '2of3', True)
+
+ def make_account(self, account_id, password):
+ # if accounts are hardened, we cannot make it symmetric on the other wallet
+
+ """Creates and saves the master keys, but does not save the account"""
+ master_xpriv = pw_decode( self.master_private_keys["m/"] , password )
+ xpriv, xpub = bip32_private_derivation(master_xpriv, "m/", account_id)
+ self.master_private_keys[account_id] = pw_encode(xpriv, password)
+ self.master_public_keys[account_id] = xpub
+ self.storage.put('master_public_keys', self.master_public_keys, True)
+ self.storage.put('master_private_keys', self.master_private_keys, True)
+
+ xpub_cold = self.master_public_keys["cold/"]
+ xpub_remote = self.master_public_keys["remote/"]
+ account = BIP32_Account_2of3({'xpub':xpub, 'xpub2':xpub_cold, 'xpub3':xpub_remote})
+ return account
+
+
+
class WalletSynchronizer(threading.Thread):
t@@ -1672,17 +1732,19 @@ class OldWallet(NewWallet):
raise Exception("Invalid seed")
+ def create_master_keys(self, password):
+ seed = pw_decode(self.seed, password)
+ mpk = OldAccount.mpk_from_seed(seed)
+ self.storage.put('master_private_key', mpk, True)
def get_master_public_key(self):
return self.storage.get("master_public_key")
def create_accounts(self, password):
- seed = pw_decode(self.seed, password)
- mpk = OldAccount.mpk_from_seed(seed)
+ mpk = self.storage.get('master_private_key')
self.create_account(mpk)
def create_account(self, mpk):
- self.storage.put('master_public_key', mpk, True)
self.accounts[0] = OldAccount({'mpk':mpk, 0:[], 1:[]})
self.save_accounts()
t@@ -1760,6 +1822,13 @@ class Wallet(object):
from wallet_bitkey import WalletBitkey
return WalletBitkey(config)
+ if storage.get('wallet_type') == '2of2':
+ return Wallet_2of2(storage)
+
+ if storage.get('wallet_type') == '2of3':
+ return Wallet_2of3(storage)
+
+
if not storage.file_exists:
seed_version = NEW_SEED_VERSION if config.get('bip32') is True else OLD_SEED_VERSION
else: