tmove synchronizer class in its own file. abstract wallet class. - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
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DIR Files
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DIR Submodules
---
DIR commit 7e0711f6ec42f15213623f73fc2c2a35c0537494
DIR parent 42a5454bd80d57ee72182da0ade06dfe0eea0c32
HTML Author: ThomasV <thomasv@gitorious>
Date: Wed, 30 Apr 2014 10:32:40 +0200
move synchronizer class in its own file. abstract wallet class.
Diffstat:
A lib/synchronizer.py | 195 +++++++++++++++++++++++++++++++
M lib/wallet.py | 236 +++++--------------------------
M setup.py | 1 +
3 files changed, 233 insertions(+), 199 deletions(-)
---
DIR diff --git a/lib/synchronizer.py b/lib/synchronizer.py
t@@ -0,0 +1,195 @@
+#!/usr/bin/env python
+#
+# Electrum - lightweight Bitcoin client
+# Copyright (C) 2014 Thomas Voegtlin
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+import threading
+import Queue
+import bitcoin
+from util import print_error
+from transaction import Transaction
+
+
+class WalletSynchronizer(threading.Thread):
+
+ def __init__(self, wallet, network):
+ threading.Thread.__init__(self)
+ self.daemon = True
+ self.wallet = wallet
+ self.network = network
+ self.was_updated = True
+ self.running = False
+ self.lock = threading.Lock()
+ self.queue = Queue.Queue()
+
+ def stop(self):
+ with self.lock: self.running = False
+
+ def is_running(self):
+ with self.lock: return self.running
+
+
+ def subscribe_to_addresses(self, addresses):
+ messages = []
+ for addr in addresses:
+ messages.append(('blockchain.address.subscribe', [addr]))
+ self.network.subscribe( messages, lambda i,r: self.queue.put(r))
+
+
+ def run(self):
+ with self.lock:
+ self.running = True
+
+ while self.is_running():
+
+ if not self.network.is_connected():
+ self.network.wait_until_connected()
+
+ self.run_interface()
+
+
+ def run_interface(self):
+
+ print_error("synchronizer: connected to", self.network.main_server())
+
+ requested_tx = []
+ missing_tx = []
+ requested_histories = {}
+
+ # request any missing transactions
+ for history in self.wallet.history.values():
+ if history == ['*']: continue
+ for tx_hash, tx_height in history:
+ if self.wallet.transactions.get(tx_hash) is None and (tx_hash, tx_height) not in missing_tx:
+ missing_tx.append( (tx_hash, tx_height) )
+
+ if missing_tx:
+ print_error("missing tx", missing_tx)
+
+ # subscriptions
+ self.subscribe_to_addresses(self.wallet.addresses(True))
+
+ while self.is_running():
+ # 1. create new addresses
+ new_addresses = self.wallet.synchronize()
+
+ # request missing addresses
+ if new_addresses:
+ self.subscribe_to_addresses(new_addresses)
+
+ # request missing transactions
+ for tx_hash, tx_height in missing_tx:
+ if (tx_hash, tx_height) not in requested_tx:
+ self.network.send([ ('blockchain.transaction.get',[tx_hash, tx_height]) ], lambda i,r: self.queue.put(r))
+ requested_tx.append( (tx_hash, tx_height) )
+ missing_tx = []
+
+ # detect if situation has changed
+ if self.network.is_up_to_date() and self.queue.empty():
+ if not self.wallet.is_up_to_date():
+ self.wallet.set_up_to_date(True)
+ self.was_updated = True
+ else:
+ if self.wallet.is_up_to_date():
+ self.wallet.set_up_to_date(False)
+ self.was_updated = True
+
+ if self.was_updated:
+ self.network.trigger_callback('updated')
+ self.was_updated = False
+
+ # 2. get a response
+ try:
+ r = self.queue.get(block=True, timeout=1)
+ except Queue.Empty:
+ continue
+
+ # see if it changed
+ #if interface != self.network.interface:
+ # break
+
+ if not r:
+ continue
+
+ # 3. handle response
+ method = r['method']
+ params = r['params']
+ result = r.get('result')
+ error = r.get('error')
+ if error:
+ print "error", r
+ continue
+
+ if method == 'blockchain.address.subscribe':
+ addr = params[0]
+ if self.wallet.get_status(self.wallet.get_history(addr)) != result:
+ if requested_histories.get(addr) is None:
+ self.network.send([('blockchain.address.get_history', [addr])], lambda i,r:self.queue.put(r))
+ requested_histories[addr] = result
+
+ elif method == 'blockchain.address.get_history':
+ addr = params[0]
+ print_error("receiving history", addr, result)
+ if result == ['*']:
+ assert requested_histories.pop(addr) == '*'
+ self.wallet.receive_history_callback(addr, result)
+ else:
+ hist = []
+ # check that txids are unique
+ txids = []
+ for item in result:
+ tx_hash = item['tx_hash']
+ if tx_hash not in txids:
+ txids.append(tx_hash)
+ hist.append( (tx_hash, item['height']) )
+
+ if len(hist) != len(result):
+ raise Exception("error: server sent history with non-unique txid", result)
+
+ # check that the status corresponds to what was announced
+ rs = requested_histories.pop(addr)
+ if self.wallet.get_status(hist) != rs:
+ raise Exception("error: status mismatch: %s"%addr)
+
+ # store received history
+ self.wallet.receive_history_callback(addr, hist)
+
+ # request transactions that we don't have
+ for tx_hash, tx_height in hist:
+ if self.wallet.transactions.get(tx_hash) is None:
+ if (tx_hash, tx_height) not in requested_tx and (tx_hash, tx_height) not in missing_tx:
+ missing_tx.append( (tx_hash, tx_height) )
+
+ elif method == 'blockchain.transaction.get':
+ tx_hash = params[0]
+ tx_height = params[1]
+ assert tx_hash == bitcoin.hash_encode(bitcoin.Hash(result.decode('hex')))
+ tx = Transaction(result)
+ self.wallet.receive_tx_callback(tx_hash, tx, tx_height)
+ self.was_updated = True
+ requested_tx.remove( (tx_hash, tx_height) )
+ print_error("received tx:", tx_hash, len(tx.raw))
+
+ else:
+ print_error("Error: Unknown message:" + method + ", " + repr(params) + ", " + repr(result) )
+
+ if self.was_updated and not requested_tx:
+ self.network.trigger_callback('updated')
+ # Updated gets called too many times from other places as well; if we use that signal we get the notification three times
+ self.network.trigger_callback("new_transaction")
+ self.was_updated = False
+
DIR diff --git a/lib/wallet.py b/lib/wallet.py
t@@ -37,6 +37,7 @@ from account import *
from transaction import Transaction
from plugins import run_hook
import bitcoin
+from synchronizer import WalletSynchronizer
COINBASE_MATURITY = 100
DUST_THRESHOLD = 5430
t@@ -156,17 +157,17 @@ class WalletStorage:
-class NewWallet:
+
+
+class Abstract_Wallet:
def __init__(self, storage):
self.storage = storage
self.electrum_version = ELECTRUM_VERSION
self.gap_limit_for_change = 3 # constant
-
# saved fields
self.seed_version = storage.get('seed_version', NEW_SEED_VERSION)
-
self.gap_limit = storage.get('gap_limit', 5)
self.use_change = storage.get('use_change',True)
self.use_encryption = storage.get('use_encryption', False)
t@@ -279,35 +280,13 @@ class NewWallet:
self.synchronizer.subscribe_to_addresses([address])
return address
+
def delete_imported_key(self, addr):
if addr in self.imported_keys:
self.imported_keys.pop(addr)
self.storage.put('imported_keys', self.imported_keys, True)
- def make_seed(self):
- import mnemonic, ecdsa
- entropy = ecdsa.util.randrange( pow(2,160) )
- nonce = 0
- while True:
- ss = "%040x"%(entropy+nonce)
- s = hashlib.sha256(ss.decode('hex')).digest().encode('hex')
- # we keep only 13 words, that's approximately 139 bits of entropy
- words = mnemonic.mn_encode(s)[0:13]
- seed = ' '.join(words)
- if is_new_seed(seed):
- break # this will remove 8 bits of entropy
- nonce += 1
-
- return seed
-
-
- def prepare_seed(self, seed):
- import unicodedata
- return NEW_SEED_VERSION, unicodedata.normalize('NFC', unicode(seed.strip()))
-
-
-
def add_seed(self, seed, password):
if self.seed:
raise Exception("a seed exists")
t@@ -1483,10 +1462,10 @@ class NewWallet:
-class Imported_Wallet(NewWallet):
+class Imported_Wallet(Abstract_Wallet):
def __init__(self, storage):
- NewWallet.__init__(self, storage)
+ Abstract_Wallet.__init__(self, storage)
def is_watching_only(self):
n = self.imported_keys.values()
t@@ -1494,6 +1473,34 @@ class Imported_Wallet(NewWallet):
+
+class NewWallet(Abstract_Wallet):
+ """class for BIP32 wallet"""
+
+ def __init__(self, storage):
+ Abstract_Wallet.__init__(self, storage)
+
+ def make_seed(self):
+ import mnemonic, ecdsa
+ entropy = ecdsa.util.randrange( pow(2,160) )
+ nonce = 0
+ while True:
+ ss = "%040x"%(entropy+nonce)
+ s = hashlib.sha256(ss.decode('hex')).digest().encode('hex')
+ # we keep only 13 words, that's approximately 139 bits of entropy
+ words = mnemonic.mn_encode(s)[0:13]
+ seed = ' '.join(words)
+ if is_new_seed(seed):
+ break # this will remove 8 bits of entropy
+ nonce += 1
+ return seed
+
+ def prepare_seed(self, seed):
+ import unicodedata
+ return NEW_SEED_VERSION, unicodedata.normalize('NFC', unicode(seed.strip()))
+
+
+
class Wallet_2of2(NewWallet):
def __init__(self, storage):
t@@ -1527,7 +1534,7 @@ class Wallet_2of2(NewWallet):
class Wallet_2of3(Wallet_2of2):
def __init__(self, storage):
- NewWallet.__init__(self, storage)
+ Wallet_2of2.__init__(self, storage)
self.storage.put('wallet_type', '2of3', True)
def create_account(self):
t@@ -1555,179 +1562,10 @@ class Wallet_2of3(Wallet_2of2):
return 'create_2of3_3'
-class WalletSynchronizer(threading.Thread):
-
- def __init__(self, wallet, network):
- threading.Thread.__init__(self)
- self.daemon = True
- self.wallet = wallet
- self.network = network
- self.was_updated = True
- self.running = False
- self.lock = threading.Lock()
- self.queue = Queue.Queue()
-
- def stop(self):
- with self.lock: self.running = False
-
- def is_running(self):
- with self.lock: return self.running
-
-
- def subscribe_to_addresses(self, addresses):
- messages = []
- for addr in addresses:
- messages.append(('blockchain.address.subscribe', [addr]))
- self.network.subscribe( messages, lambda i,r: self.queue.put(r))
-
-
- def run(self):
- with self.lock:
- self.running = True
-
- while self.is_running():
-
- if not self.network.is_connected():
- self.network.wait_until_connected()
-
- self.run_interface()
-
-
- def run_interface(self):
-
- print_error("synchronizer: connected to", self.network.main_server())
-
- requested_tx = []
- missing_tx = []
- requested_histories = {}
-
- # request any missing transactions
- for history in self.wallet.history.values():
- if history == ['*']: continue
- for tx_hash, tx_height in history:
- if self.wallet.transactions.get(tx_hash) is None and (tx_hash, tx_height) not in missing_tx:
- missing_tx.append( (tx_hash, tx_height) )
-
- if missing_tx:
- print_error("missing tx", missing_tx)
-
- # subscriptions
- self.subscribe_to_addresses(self.wallet.addresses(True))
-
- while self.is_running():
- # 1. create new addresses
- new_addresses = self.wallet.synchronize()
-
- # request missing addresses
- if new_addresses:
- self.subscribe_to_addresses(new_addresses)
-
- # request missing transactions
- for tx_hash, tx_height in missing_tx:
- if (tx_hash, tx_height) not in requested_tx:
- self.network.send([ ('blockchain.transaction.get',[tx_hash, tx_height]) ], lambda i,r: self.queue.put(r))
- requested_tx.append( (tx_hash, tx_height) )
- missing_tx = []
-
- # detect if situation has changed
- if self.network.is_up_to_date() and self.queue.empty():
- if not self.wallet.is_up_to_date():
- self.wallet.set_up_to_date(True)
- self.was_updated = True
- else:
- if self.wallet.is_up_to_date():
- self.wallet.set_up_to_date(False)
- self.was_updated = True
-
- if self.was_updated:
- self.network.trigger_callback('updated')
- self.was_updated = False
-
- # 2. get a response
- try:
- r = self.queue.get(block=True, timeout=1)
- except Queue.Empty:
- continue
-
- # see if it changed
- #if interface != self.network.interface:
- # break
-
- if not r:
- continue
-
- # 3. handle response
- method = r['method']
- params = r['params']
- result = r.get('result')
- error = r.get('error')
- if error:
- print "error", r
- continue
-
- if method == 'blockchain.address.subscribe':
- addr = params[0]
- if self.wallet.get_status(self.wallet.get_history(addr)) != result:
- if requested_histories.get(addr) is None:
- self.network.send([('blockchain.address.get_history', [addr])], lambda i,r:self.queue.put(r))
- requested_histories[addr] = result
-
- elif method == 'blockchain.address.get_history':
- addr = params[0]
- print_error("receiving history", addr, result)
- if result == ['*']:
- assert requested_histories.pop(addr) == '*'
- self.wallet.receive_history_callback(addr, result)
- else:
- hist = []
- # check that txids are unique
- txids = []
- for item in result:
- tx_hash = item['tx_hash']
- if tx_hash not in txids:
- txids.append(tx_hash)
- hist.append( (tx_hash, item['height']) )
-
- if len(hist) != len(result):
- raise Exception("error: server sent history with non-unique txid", result)
-
- # check that the status corresponds to what was announced
- rs = requested_histories.pop(addr)
- if self.wallet.get_status(hist) != rs:
- raise Exception("error: status mismatch: %s"%addr)
-
- # store received history
- self.wallet.receive_history_callback(addr, hist)
-
- # request transactions that we don't have
- for tx_hash, tx_height in hist:
- if self.wallet.transactions.get(tx_hash) is None:
- if (tx_hash, tx_height) not in requested_tx and (tx_hash, tx_height) not in missing_tx:
- missing_tx.append( (tx_hash, tx_height) )
-
- elif method == 'blockchain.transaction.get':
- tx_hash = params[0]
- tx_height = params[1]
- assert tx_hash == hash_encode(Hash(result.decode('hex')))
- tx = Transaction(result)
- self.wallet.receive_tx_callback(tx_hash, tx, tx_height)
- self.was_updated = True
- requested_tx.remove( (tx_hash, tx_height) )
- print_error("received tx:", tx_hash, len(tx.raw))
-
- else:
- print_error("Error: Unknown message:" + method + ", " + repr(params) + ", " + repr(result) )
-
- if self.was_updated and not requested_tx:
- self.network.trigger_callback('updated')
- # Updated gets called too many times from other places as well; if we use that signal we get the notification three times
- self.network.trigger_callback("new_transaction")
- self.was_updated = False
-
-class OldWallet(NewWallet):
+class OldWallet(Abstract_Wallet):
def can_create_accounts(self):
return False
DIR diff --git a/setup.py b/setup.py
t@@ -80,6 +80,7 @@ setup(
'electrum.pyqrnative',
'electrum.simple_config',
'electrum.socks',
+ 'electrum.synchronizer',
'electrum.transaction',
'electrum.util',
'electrum.verifier',