Merge pull request #4005 from SomberNight/trezor_segwit_offline_signing
trezor: segwit offline signing
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commit
7e501115cd
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@ -40,6 +40,7 @@ from .bitcoin import *
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from .interface import Connection, Interface
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from . import blockchain
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from .version import ELECTRUM_VERSION, PROTOCOL_VERSION
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from .i18n import _
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NODES_RETRY_INTERVAL = 60
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@ -1069,7 +1070,7 @@ class Network(util.DaemonThread):
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try:
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r = q.get(True, timeout)
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except queue.Empty:
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raise BaseException('Server did not answer')
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raise util.TimeoutException(_('Server did not answer'))
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if r.get('error'):
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raise BaseException(r.get('error'))
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return r.get('result')
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10
lib/util.py
10
lib/util.py
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@ -74,6 +74,16 @@ class FileExportFailed(Exception):
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return _("Failed to export to file.") + "\n" + self.message
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class TimeoutException(Exception):
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def __init__(self, message=''):
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self.message = str(message)
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def __str__(self):
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if not self.message:
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return _("Operation timed out.")
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return self.message
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# Throw this exception to unwind the stack like when an error occurs.
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# However unlike other exceptions the user won't be informed.
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class UserCancelled(Exception):
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@ -44,7 +44,7 @@ import sys
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from .i18n import _
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from .util import (NotEnoughFunds, PrintError, UserCancelled, profiler,
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format_satoshis, NoDynamicFeeEstimates)
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format_satoshis, NoDynamicFeeEstimates, TimeoutException)
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from .bitcoin import *
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from .version import *
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@ -1401,21 +1401,28 @@ class Abstract_Wallet(PrintError):
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return True
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return False
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def get_input_tx(self, tx_hash):
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def get_input_tx(self, tx_hash, ignore_timeout=False):
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# First look up an input transaction in the wallet where it
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# will likely be. If co-signing a transaction it may not have
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# all the input txs, in which case we ask the network.
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tx = self.transactions.get(tx_hash)
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tx = self.transactions.get(tx_hash, None)
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if not tx and self.network:
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request = ('blockchain.transaction.get', [tx_hash])
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tx = Transaction(self.network.synchronous_get(request))
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try:
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tx = Transaction(self.network.synchronous_get(request))
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except TimeoutException as e:
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self.print_error('getting input txn from network timed out for {}'.format(tx_hash))
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if not ignore_timeout:
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raise e
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return tx
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def add_hw_info(self, tx):
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# add previous tx for hw wallets
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for txin in tx.inputs():
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tx_hash = txin['prevout_hash']
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txin['prev_tx'] = self.get_input_tx(tx_hash)
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# segwit inputs might not be needed for some hw wallets
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ignore_timeout = Transaction.is_segwit_input(txin)
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txin['prev_tx'] = self.get_input_tx(tx_hash, ignore_timeout)
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# add output info for hw wallets
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info = {}
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xpubs = self.get_master_public_keys()
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@ -434,6 +434,9 @@ class TrezorPlugin(HW_PluginBase):
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def electrum_tx_to_txtype(self, tx):
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t = self.types.TransactionType()
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if tx is None:
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# probably for segwit input and we don't need this prev txn
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return t
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d = deserialize(tx.raw)
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t.version = d['version']
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t.lock_time = d['lockTime']
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