tLedger: move get_client() to the plugin - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit 986e198e87f80153b3c1c4bdda3bdd93c1e60769
DIR parent deccca1827e027739b6ac32787aeee2578e5c8d1
HTML Author: Neil Booth <kyuupichan@gmail.com>
Date: Mon, 11 Jan 2016 15:08:12 +0900
Ledger: move get_client() to the plugin
Mirrors the trezor code
Diffstat:
M plugins/ledger/ledger.py | 159 ++++++++++++++++---------------
M plugins/ledger/qt.py | 9 +++++----
2 files changed, 86 insertions(+), 82 deletions(-)
---
DIR diff --git a/plugins/ledger/ledger.py b/plugins/ledger/ledger.py
t@@ -42,8 +42,6 @@ class BTChipWallet(BIP44_Wallet):
self.handler = None
self.force_watching_only = False
- self.transport = None
- self.client = None
self.device_checked = False
self.signing = False
t@@ -53,8 +51,8 @@ class BTChipWallet(BIP44_Wallet):
QMessageBox.warning(QDialog(), _('Warning'), _(message), _('OK'))
else:
self.signing = False
- if clear_client and self.client is not None:
- self.client.bad = True
+ if clear_client:
+ self.plugin.client = None
self.device_checked = False
raise Exception(message)
t@@ -76,75 +74,7 @@ class BTChipWallet(BIP44_Wallet):
return BIP44_Wallet.address_id(self, address)[2:]
def get_client(self, noPin=False):
- if not BTCHIP:
- self.give_error('please install github.com/btchip/btchip-python')
-
- aborted = False
- if not self.client or self.client.bad:
- try:
- d = getDongle(BTCHIP_DEBUG)
- self.client = btchip(d)
- firmware = self.client.getFirmwareVersion()['version'].split(".")
- if not checkFirmware(firmware):
- d.close()
- try:
- updateFirmware()
- except Exception, e:
- aborted = True
- raise e
- d = getDongle(BTCHIP_DEBUG)
- self.client = btchip(d)
- try:
- self.client.getOperationMode()
- except BTChipException, e:
- if (e.sw == 0x6985):
- d.close()
- dialog = StartBTChipPersoDialog()
- dialog.exec_()
- # Then fetch the reference again as it was invalidated
- d = getDongle(BTCHIP_DEBUG)
- self.client = btchip(d)
- else:
- raise e
- if not noPin:
- # Immediately prompts for the PIN
- remaining_attempts = self.client.getVerifyPinRemainingAttempts()
- if remaining_attempts <> 1:
- msg = "Enter your Ledger PIN - remaining attempts : " + str(remaining_attempts)
- else:
- msg = "Enter your Ledger PIN - WARNING : LAST ATTEMPT. If the PIN is not correct, the dongle will be wiped."
- confirmed, p, pin = self.password_dialog(msg)
- if not confirmed:
- aborted = True
- raise Exception('Aborted by user - please unplug the dongle and plug it again before retrying')
- pin = pin.encode()
- self.client.verifyPin(pin)
-
- except BTChipException, e:
- try:
- self.client.dongle.close()
- except:
- pass
- self.client = None
- if (e.sw == 0x6faa):
- raise Exception("Dongle is temporarily locked - please unplug it and replug it again")
- if ((e.sw & 0xFFF0) == 0x63c0):
- raise Exception("Invalid PIN - please unplug the dongle and plug it again before retrying")
- raise e
- except Exception, e:
- try:
- self.client.dongle.close()
- except:
- pass
- self.client = None
- if not aborted:
- raise Exception("Could not connect to your Ledger wallet. Please verify access permissions, PIN, or unplug the dongle and plug it again")
- else:
- raise e
- self.client.bad = False
- self.device_checked = False
- self.proper_device = False
- return self.client
+ return self.plugin.get_client(self, noPin=noPin)
def derive_xkeys(self, root, derivation, password):
derivation = '/'.join(derivation.split('/')[1:])
t@@ -193,7 +123,8 @@ class BTChipWallet(BIP44_Wallet):
def sign_message(self, address, message, password):
use2FA = False
self.signing = True
- self.get_client() # prompt for the PIN before displaying the dialog if necessary
+ # prompt for the PIN before displaying the dialog if necessary
+ client = self.get_client()
if not self.check_proper_device():
self.give_error('Wrong device or password')
address_path = self.address_id(address)
t@@ -208,7 +139,7 @@ class BTChipWallet(BIP44_Wallet):
if not confirmed:
raise Exception('Aborted by user')
pin = pin.encode()
- self.client.bad = True
+ client.bad = True
self.device_checked = False
self.get_client(True)
signature = self.get_client().signMessageSign(pin)
t@@ -221,7 +152,7 @@ class BTChipWallet(BIP44_Wallet):
self.give_error(e, True)
finally:
self.handler.stop()
- self.client.bad = use2FA
+ client.bad = use2FA
self.signing = False
# Parse the ASN.1 signature
t@@ -334,7 +265,7 @@ class BTChipWallet(BIP44_Wallet):
if not confirmed:
raise Exception('Aborted by user')
pin = pin.encode()
- self.client.bad = True
+ client.bad = True
self.device_checked = False
self.get_client(True)
self.handler.show_message("Signing ...")
t@@ -361,7 +292,7 @@ class BTChipWallet(BIP44_Wallet):
updatedTransaction = format_transaction(transactionOutput, preparedTrustedInputs)
updatedTransaction = hexlify(updatedTransaction)
tx.update(updatedTransaction)
- self.client.bad = use2FA
+ client.bad = use2FA
self.signing = False
def check_proper_device(self):
t@@ -404,6 +335,7 @@ class LedgerPlugin(BasePlugin):
BasePlugin.__init__(self, parent, config, name)
self.wallet_class.plugin = self
self.device = self.wallet_class.device
+ self.client = None
def is_enabled(self):
return BTCHIP
t@@ -441,3 +373,74 @@ class LedgerPlugin(BasePlugin):
@hook
def close_wallet(self, wallet):
self.client = None
+
+ def get_client(self, wallet, noPin=False):
+ aborted = False
+ client = self.client
+ if not client or client.bad:
+ try:
+ d = getDongle(BTCHIP_DEBUG)
+ client = btchip(d)
+ firmware = client.getFirmwareVersion()['version'].split(".")
+ if not checkFirmware(firmware):
+ d.close()
+ try:
+ updateFirmware()
+ except Exception, e:
+ aborted = True
+ raise e
+ d = getDongle(BTCHIP_DEBUG)
+ client = btchip(d)
+ try:
+ client.getOperationMode()
+ except BTChipException, e:
+ if (e.sw == 0x6985):
+ d.close()
+ dialog = StartBTChipPersoDialog()
+ dialog.exec_()
+ # Then fetch the reference again as it was invalidated
+ d = getDongle(BTCHIP_DEBUG)
+ client = btchip(d)
+ else:
+ raise e
+ if not noPin:
+ # Immediately prompts for the PIN
+ remaining_attempts = client.getVerifyPinRemainingAttempts()
+ if remaining_attempts <> 1:
+ msg = "Enter your Ledger PIN - remaining attempts : " + str(remaining_attempts)
+ else:
+ msg = "Enter your Ledger PIN - WARNING : LAST ATTEMPT. If the PIN is not correct, the dongle will be wiped."
+ confirmed, p, pin = wallet.password_dialog(msg)
+ if not confirmed:
+ aborted = True
+ raise Exception('Aborted by user - please unplug the dongle and plug it again before retrying')
+ pin = pin.encode()
+ client.verifyPin(pin)
+
+ except BTChipException, e:
+ try:
+ client.dongle.close()
+ except:
+ pass
+ client = None
+ if (e.sw == 0x6faa):
+ raise Exception("Dongle is temporarily locked - please unplug it and replug it again")
+ if ((e.sw & 0xFFF0) == 0x63c0):
+ raise Exception("Invalid PIN - please unplug the dongle and plug it again before retrying")
+ raise e
+ except Exception, e:
+ try:
+ client.dongle.close()
+ except:
+ pass
+ client = None
+ if not aborted:
+ raise Exception("Could not connect to your Ledger wallet. Please verify access permissions, PIN, or unplug the dongle and plug it again")
+ else:
+ raise e
+ client.bad = False
+ wallet.device_checked = False
+ wallet.proper_device = False
+ self.client = client
+
+ return self.client
DIR diff --git a/plugins/ledger/qt.py b/plugins/ledger/qt.py
t@@ -1,11 +1,12 @@
+import threading
+
from PyQt4.Qt import (QDialog, QInputDialog, QLineEdit,
QVBoxLayout, QLabel, SIGNAL)
import PyQt4.QtCore as QtCore
-import threading
-
-from electrum.plugins import BasePlugin, hook
-from ledger import LedgerPlugin, BTChipWallet
+from electrum.i18n import _
+from electrum.plugins import hook
+from .ledger import LedgerPlugin, BTChipWallet
class Plugin(LedgerPlugin):