1756 lines
60 KiB
Python
1756 lines
60 KiB
Python
#!/usr/bin/env python
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2011 thomasv@gitorious
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import os
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import hashlib
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import ast
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import threading
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import random
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import time
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import math
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import json
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import copy
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from util import print_msg, print_error, NotEnoughFunds
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from bitcoin import *
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from account import *
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from version import *
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from transaction import Transaction
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from plugins import run_hook
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import bitcoin
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from synchronizer import WalletSynchronizer
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from mnemonic import Mnemonic
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# internal ID for imported account
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IMPORTED_ACCOUNT = '/x'
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class WalletStorage(object):
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def __init__(self, config):
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self.lock = threading.RLock()
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self.config = config
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self.data = {}
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self.file_exists = False
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self.path = self.init_path(config)
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print_error( "wallet path", self.path )
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if self.path:
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self.read(self.path)
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def init_path(self, config):
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"""Set the path of the wallet."""
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# command line -w option
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path = config.get('wallet_path')
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if path:
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return path
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# path in config file
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path = config.get('default_wallet_path')
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if path:
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return path
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# default path
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dirpath = os.path.join(config.path, "wallets")
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if not os.path.exists(dirpath):
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os.mkdir(dirpath)
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new_path = os.path.join(config.path, "wallets", "default_wallet")
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# default path in pre 1.9 versions
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old_path = os.path.join(config.path, "electrum.dat")
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if os.path.exists(old_path) and not os.path.exists(new_path):
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os.rename(old_path, new_path)
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return new_path
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def read(self, path):
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"""Read the contents of the wallet file."""
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try:
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with open(self.path, "r") as f:
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data = f.read()
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except IOError:
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return
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try:
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self.data = json.loads(data)
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except:
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try:
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d = ast.literal_eval(data) #parse raw data from reading wallet file
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except Exception:
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raise IOError("Cannot read wallet file.")
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self.data = {}
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for key, value in d.items():
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try:
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json.dumps(key)
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json.dumps(value)
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except:
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continue
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self.data[key] = value
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self.file_exists = True
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def get(self, key, default=None):
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with self.lock:
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v = self.data.get(key)
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if v is None:
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v = default
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else:
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v = copy.deepcopy(v)
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return v
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def put(self, key, value, save = True):
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try:
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json.dumps(key)
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json.dumps(value)
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except:
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print_error("json error: cannot save", key)
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return
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with self.lock:
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if value is not None:
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self.data[key] = copy.deepcopy(value)
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elif key in self.data:
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self.data.pop(key)
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if save:
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self.write()
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def write(self):
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s = json.dumps(self.data, indent=4, sort_keys=True)
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f = open(self.path,"w")
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f.write(s)
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f.close()
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if 'ANDROID_DATA' not in os.environ:
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import stat
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os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)
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class Abstract_Wallet(object):
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"""
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Wallet classes are created to handle various address generation methods.
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Completion states (watching-only, single account, no seed, etc) are handled inside classes.
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"""
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def __init__(self, storage):
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self.storage = storage
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self.electrum_version = ELECTRUM_VERSION
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self.gap_limit_for_change = 3 # constant
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# saved fields
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self.seed_version = storage.get('seed_version', NEW_SEED_VERSION)
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self.use_change = storage.get('use_change',True)
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self.use_encryption = storage.get('use_encryption', False)
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self.seed = storage.get('seed', '') # encrypted
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self.labels = storage.get('labels', {})
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self.frozen_addresses = storage.get('frozen_addresses',[])
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self.addressbook = storage.get('contacts', [])
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self.history = storage.get('addr_history',{}) # address -> list(txid, height)
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self.fee_per_kb = int(storage.get('fee_per_kb', RECOMMENDED_FEE))
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# This attribute is set when wallet.start_threads is called.
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self.synchronizer = None
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# imported_keys is deprecated. The GUI should call convert_imported_keys
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self.imported_keys = self.storage.get('imported_keys',{})
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self.load_accounts()
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self.load_transactions()
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# not saved
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self.prevout_values = {} # my own transaction outputs
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self.spent_outputs = []
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# spv
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self.verifier = None
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# there is a difference between wallet.up_to_date and interface.is_up_to_date()
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# interface.is_up_to_date() returns true when all requests have been answered and processed
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# wallet.up_to_date is true when the wallet is synchronized (stronger requirement)
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self.up_to_date = False
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self.lock = threading.Lock()
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self.transaction_lock = threading.Lock()
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self.tx_event = threading.Event()
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for tx_hash, tx in self.transactions.items():
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self.update_tx_outputs(tx_hash)
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# save wallet type the first time
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if self.storage.get('wallet_type') is None:
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self.storage.put('wallet_type', self.wallet_type, True)
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def load_transactions(self):
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self.transactions = {}
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tx_list = self.storage.get('transactions',{})
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for k, raw in tx_list.items():
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try:
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tx = Transaction.deserialize(raw)
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except Exception:
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print_msg("Warning: Cannot deserialize transactions. skipping")
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continue
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self.add_pubkey_addresses(tx)
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self.transactions[k] = tx
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for h,tx in self.transactions.items():
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if not self.check_new_tx(h, tx):
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print_error("removing unreferenced tx", h)
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self.transactions.pop(h)
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def add_pubkey_addresses(self, tx):
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# find the address corresponding to pay-to-pubkey inputs
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h = tx.hash()
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# inputs
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tx.add_pubkey_addresses(self.transactions)
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# outputs of tx: inputs of tx2
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for type, x, v in tx.outputs:
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if type == 'pubkey':
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for tx2 in self.transactions.values():
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tx2.add_pubkey_addresses({h:tx})
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def get_action(self):
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pass
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def convert_imported_keys(self, password):
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for k, v in self.imported_keys.items():
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sec = pw_decode(v, password)
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pubkey = public_key_from_private_key(sec)
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address = public_key_to_bc_address(pubkey.decode('hex'))
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if address != k:
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raise InvalidPassword()
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self.import_key(sec, password)
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self.imported_keys.pop(k)
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self.storage.put('imported_keys', self.imported_keys)
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def load_accounts(self):
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self.accounts = {}
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d = self.storage.get('accounts', {})
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for k, v in d.items():
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if self.wallet_type == 'old' and k in [0, '0']:
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v['mpk'] = self.storage.get('master_public_key')
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self.accounts[k] = OldAccount(v)
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elif v.get('imported'):
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self.accounts[k] = ImportedAccount(v)
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elif v.get('xpub3'):
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self.accounts[k] = BIP32_Account_2of3(v)
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elif v.get('xpub2'):
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self.accounts[k] = BIP32_Account_2of2(v)
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elif v.get('xpub'):
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self.accounts[k] = BIP32_Account(v)
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elif v.get('pending'):
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self.accounts[k] = PendingAccount(v)
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else:
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print_error("cannot load account", v)
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def synchronize(self):
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pass
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def can_create_accounts(self):
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return False
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def set_up_to_date(self,b):
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with self.lock: self.up_to_date = b
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def is_up_to_date(self):
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with self.lock: return self.up_to_date
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def update(self):
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self.up_to_date = False
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while not self.is_up_to_date():
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time.sleep(0.1)
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def is_imported(self, addr):
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account = self.accounts.get(IMPORTED_ACCOUNT)
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if account:
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return addr in account.get_addresses(0)
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else:
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return False
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def has_imported_keys(self):
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account = self.accounts.get(IMPORTED_ACCOUNT)
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return account is not None
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def import_key(self, sec, password):
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try:
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pubkey = public_key_from_private_key(sec)
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address = public_key_to_bc_address(pubkey.decode('hex'))
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except Exception:
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raise Exception('Invalid private key')
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if self.is_mine(address):
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raise Exception('Address already in wallet')
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if self.accounts.get(IMPORTED_ACCOUNT) is None:
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self.accounts[IMPORTED_ACCOUNT] = ImportedAccount({'imported':{}})
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self.accounts[IMPORTED_ACCOUNT].add(address, pubkey, sec, password)
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self.save_accounts()
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if self.synchronizer:
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self.synchronizer.add(address)
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return address
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def delete_imported_key(self, addr):
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account = self.accounts[IMPORTED_ACCOUNT]
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account.remove(addr)
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if not account.get_addresses(0):
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self.accounts.pop(IMPORTED_ACCOUNT)
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self.save_accounts()
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def set_label(self, name, text = None):
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changed = False
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old_text = self.labels.get(name)
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if text:
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if old_text != text:
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self.labels[name] = text
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changed = True
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else:
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if old_text:
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self.labels.pop(name)
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changed = True
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if changed:
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self.storage.put('labels', self.labels, True)
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run_hook('set_label', name, text, changed)
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return changed
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def addresses(self, include_change = True):
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return list(addr for acc in self.accounts for addr in self.get_account_addresses(acc, include_change))
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def is_mine(self, address):
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return address in self.addresses(True)
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def is_change(self, address):
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if not self.is_mine(address): return False
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acct, s = self.get_address_index(address)
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if s is None: return False
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return s[0] == 1
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def get_address_index(self, address):
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for acc_id in self.accounts:
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for for_change in [0,1]:
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addresses = self.accounts[acc_id].get_addresses(for_change)
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if address in addresses:
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return acc_id, (for_change, addresses.index(address))
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raise Exception("Address not found", address)
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def get_private_key(self, address, password):
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if self.is_watching_only():
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return []
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account_id, sequence = self.get_address_index(address)
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return self.accounts[account_id].get_private_key(sequence, self, password)
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def get_public_keys(self, address):
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account_id, sequence = self.get_address_index(address)
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return self.accounts[account_id].get_pubkeys(*sequence)
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def sign_message(self, address, message, password):
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keys = self.get_private_key(address, password)
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assert len(keys) == 1
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sec = keys[0]
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key = regenerate_key(sec)
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compressed = is_compressed(sec)
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return key.sign_message(message, compressed, address)
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def decrypt_message(self, pubkey, message, password):
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address = public_key_to_bc_address(pubkey.decode('hex'))
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keys = self.get_private_key(address, password)
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secret = keys[0]
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ec = regenerate_key(secret)
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decrypted = ec.decrypt_message(message)
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return decrypted
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def is_found(self):
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return self.history.values() != [[]] * len(self.history)
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def add_contact(self, address, label=None):
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self.addressbook.append(address)
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self.storage.put('contacts', self.addressbook, True)
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if label:
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self.set_label(address, label)
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def delete_contact(self, addr):
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if addr in self.addressbook:
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self.addressbook.remove(addr)
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self.storage.put('addressbook', self.addressbook, True)
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def fill_addressbook(self):
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# todo: optimize this
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for tx_hash, tx in self.transactions.viewitems():
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is_relevant, is_send, _, _ = self.get_tx_value(tx)
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if is_send:
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for addr in tx.get_output_addresses():
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if not self.is_mine(addr) and addr not in self.addressbook:
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self.addressbook.append(addr)
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# redo labels
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# self.update_tx_labels()
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def get_num_tx(self, address):
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n = 0
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for tx in self.transactions.values():
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if address in tx.get_output_addresses(): n += 1
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return n
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def get_tx_value(self, tx, account=None):
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domain = self.get_account_addresses(account)
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return tx.get_value(domain, self.prevout_values)
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def update_tx_outputs(self, tx_hash):
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tx = self.transactions.get(tx_hash)
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for i, (addr, value) in enumerate(tx.get_outputs()):
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key = tx_hash+ ':%d'%i
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self.prevout_values[key] = value
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for item in tx.inputs:
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if self.is_mine(item.get('address')):
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key = item['prevout_hash'] + ':%d'%item['prevout_n']
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self.spent_outputs.append(key)
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def get_addr_balance(self, address):
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'returns the confirmed balance and pending (unconfirmed) balance change of this bitcoin address'
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#assert self.is_mine(address)
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h = self.history.get(address,[])
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if h == ['*']: return 0,0
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c = u = 0
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received_coins = [] # list of coins received at address
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# go through all tx in history of this address and collect the coins arriving on this address
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for tx_hash, tx_height in h:
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tx = self.transactions.get(tx_hash)
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if not tx: continue
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for i, (addr, value) in enumerate(tx.get_outputs()):
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if addr == address:
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key = tx_hash + ':%d'%i
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received_coins.append(key)
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# go through all tx in history of this address again
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for tx_hash, tx_height in h:
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tx = self.transactions.get(tx_hash)
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if not tx: continue
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v = 0
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# substract the value of coins leaving from this address
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for item in tx.inputs:
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addr = item.get('address')
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if addr == address:
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key = item['prevout_hash'] + ':%d'%item['prevout_n']
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value = self.prevout_values.get( key )
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if key in received_coins:
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v -= value
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# add the value of the coins arriving in this address
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for i, (addr, value) in enumerate(tx.get_outputs()):
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key = tx_hash + ':%d'%i
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if addr == address:
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v += value
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if tx_height:
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c += v # confirmed coins value
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else:
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u += v # unconfirmed coins value
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return c, u
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def get_account_name(self, k):
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return self.labels.get(k, self.accounts[k].get_name(k))
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def get_account_names(self):
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account_names = {}
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for k in self.accounts.keys():
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account_names[k] = self.get_account_name(k)
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return account_names
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def get_account_addresses(self, acc_id, include_change=True):
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if acc_id is None:
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addr_list = self.addresses(include_change)
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elif acc_id in self.accounts:
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acc = self.accounts[acc_id]
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addr_list = acc.get_addresses(0)
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if include_change:
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addr_list += acc.get_addresses(1)
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return addr_list
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def get_account_from_address(self, addr):
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"Returns the account that contains this address, or None"
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for acc_id in self.accounts: # similar to get_address_index but simpler
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if addr in self.get_account_addresses(acc_id):
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return acc_id
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return None
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def get_account_balance(self, account):
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return self.get_balance(self.get_account_addresses(account))
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def get_frozen_balance(self):
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return self.get_balance(self.frozen_addresses)
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def get_balance(self, domain=None):
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if domain is None: domain = self.addresses(True)
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cc = uu = 0
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for addr in domain:
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c, u = self.get_addr_balance(addr)
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cc += c
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uu += u
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return cc, uu
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def get_unspent_coins(self, domain=None):
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coins = []
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if domain is None: domain = self.addresses(True)
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for addr in domain:
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h = self.history.get(addr, [])
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if h == ['*']: continue
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for tx_hash, tx_height in h:
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tx = self.transactions.get(tx_hash)
|
|
if tx is None: raise Exception("Wallet not synchronized")
|
|
is_coinbase = tx.inputs[0].get('prevout_hash') == '0'*64
|
|
for i, (address, value) in enumerate(tx.get_outputs()):
|
|
output = {'address':address, 'value':value, 'prevout_n':i}
|
|
if address != addr: continue
|
|
key = tx_hash + ":%d"%i
|
|
if key in self.spent_outputs: continue
|
|
output['prevout_hash'] = tx_hash
|
|
output['height'] = tx_height
|
|
output['coinbase'] = is_coinbase
|
|
coins.append((tx_height, output))
|
|
|
|
# sort by age
|
|
if coins:
|
|
coins = sorted(coins)
|
|
if coins[-1][0] != 0:
|
|
while coins[0][0] == 0:
|
|
coins = coins[1:] + [ coins[0] ]
|
|
return [value for height, value in coins]
|
|
|
|
|
|
|
|
def set_fee(self, fee):
|
|
if self.fee_per_kb != fee:
|
|
self.fee_per_kb = fee
|
|
self.storage.put('fee_per_kb', self.fee_per_kb, True)
|
|
|
|
|
|
def get_history(self, address):
|
|
with self.lock:
|
|
return self.history.get(address)
|
|
|
|
def get_status(self, h):
|
|
if not h: return None
|
|
if h == ['*']: return '*'
|
|
status = ''
|
|
for tx_hash, height in h:
|
|
status += tx_hash + ':%d:' % height
|
|
return hashlib.sha256( status ).digest().encode('hex')
|
|
|
|
def receive_tx_callback(self, tx_hash, tx, tx_height):
|
|
|
|
with self.transaction_lock:
|
|
self.add_pubkey_addresses(tx)
|
|
if not self.check_new_tx(tx_hash, tx):
|
|
# may happen due to pruning
|
|
print_error("received transaction that is no longer referenced in history", tx_hash)
|
|
return
|
|
self.transactions[tx_hash] = tx
|
|
self.network.pending_transactions_for_notifications.append(tx)
|
|
self.save_transactions()
|
|
if self.verifier and tx_height>0:
|
|
self.verifier.add(tx_hash, tx_height)
|
|
self.update_tx_outputs(tx_hash)
|
|
|
|
def save_transactions(self):
|
|
tx = {}
|
|
for k,v in self.transactions.items():
|
|
tx[k] = str(v)
|
|
self.storage.put('transactions', tx, True)
|
|
|
|
def receive_history_callback(self, addr, hist):
|
|
|
|
if not self.check_new_history(addr, hist):
|
|
raise Exception("error: received history for %s is not consistent with known transactions"%addr)
|
|
|
|
with self.lock:
|
|
self.history[addr] = hist
|
|
self.storage.put('addr_history', self.history, True)
|
|
|
|
if hist != ['*']:
|
|
for tx_hash, tx_height in hist:
|
|
if tx_height>0:
|
|
# add it in case it was previously unconfirmed
|
|
if self.verifier: self.verifier.add(tx_hash, tx_height)
|
|
|
|
def get_tx_history(self, account=None):
|
|
if not self.verifier:
|
|
return []
|
|
|
|
with self.transaction_lock:
|
|
history = self.transactions.items()
|
|
history.sort(key = lambda x: self.verifier.get_txpos(x[0]))
|
|
result = []
|
|
|
|
balance = 0
|
|
for tx_hash, tx in history:
|
|
is_relevant, is_mine, v, fee = self.get_tx_value(tx, account)
|
|
if v is not None: balance += v
|
|
|
|
c, u = self.get_account_balance(account)
|
|
|
|
if balance != c+u:
|
|
result.append( ('', 1000, 0, c+u-balance, None, c+u-balance, None ) )
|
|
|
|
balance = c + u - balance
|
|
for tx_hash, tx in history:
|
|
is_relevant, is_mine, value, fee = self.get_tx_value(tx, account)
|
|
if not is_relevant:
|
|
continue
|
|
if value is not None:
|
|
balance += value
|
|
|
|
conf, timestamp = self.verifier.get_confirmations(tx_hash) if self.verifier else (None, None)
|
|
result.append( (tx_hash, conf, is_mine, value, fee, balance, timestamp) )
|
|
|
|
return result
|
|
|
|
def get_label(self, tx_hash):
|
|
label = self.labels.get(tx_hash)
|
|
is_default = (label == '') or (label is None)
|
|
if is_default: label = self.get_default_label(tx_hash)
|
|
return label, is_default
|
|
|
|
def get_default_label(self, tx_hash):
|
|
tx = self.transactions.get(tx_hash)
|
|
default_label = ''
|
|
if tx:
|
|
is_relevant, is_mine, _, _ = self.get_tx_value(tx)
|
|
if is_mine:
|
|
for o_addr in tx.get_output_addresses():
|
|
if not self.is_mine(o_addr):
|
|
try:
|
|
default_label = self.labels[o_addr]
|
|
except KeyError:
|
|
default_label = '>' + o_addr
|
|
break
|
|
else:
|
|
default_label = '(internal)'
|
|
if len(self.accounts) > 1:
|
|
# find input account and output account
|
|
i_addr = tx.inputs[0]["address"]
|
|
i_acc,_ = self.get_address_index(i_addr)
|
|
for o_addr in tx.get_output_addresses():
|
|
o_acc,_ = self.get_address_index(o_addr)
|
|
if o_acc != i_acc:
|
|
default_label = '(internal: %s --> %s)'%(self.get_account_name(i_acc),self.get_account_name(o_acc))
|
|
break
|
|
|
|
else:
|
|
for o_addr in tx.get_output_addresses():
|
|
if self.is_mine(o_addr) and not self.is_change(o_addr):
|
|
break
|
|
else:
|
|
for o_addr in tx.get_output_addresses():
|
|
if self.is_mine(o_addr):
|
|
break
|
|
else:
|
|
o_addr = None
|
|
|
|
if o_addr:
|
|
try:
|
|
default_label = self.labels[o_addr]
|
|
except KeyError:
|
|
default_label = '<' + o_addr
|
|
|
|
return default_label
|
|
|
|
def get_tx_fee(self, tx):
|
|
# this method can be overloaded
|
|
return tx.get_fee()
|
|
|
|
def estimated_fee(self, tx):
|
|
estimated_size = len(tx.serialize(-1))/2
|
|
fee = int(self.fee_per_kb*estimated_size/1000.)
|
|
if fee < MIN_RELAY_TX_FEE: # and tx.requires_fee(self.verifier):
|
|
fee = MIN_RELAY_TX_FEE
|
|
return fee
|
|
|
|
def make_unsigned_transaction(self, outputs, fixed_fee=None, change_addr=None, domain=None, coins=None ):
|
|
# check outputs
|
|
for type, data, value in outputs:
|
|
if type == 'address':
|
|
assert is_address(data), "Address " + data + " is invalid!"
|
|
|
|
# get coins
|
|
if not coins:
|
|
if domain is None:
|
|
domain = self.addresses(True)
|
|
for i in self.frozen_addresses:
|
|
if i in domain: domain.remove(i)
|
|
coins = self.get_unspent_coins(domain)
|
|
|
|
amount = sum( map(lambda x:x[2], outputs) )
|
|
total = fee = 0
|
|
inputs = []
|
|
tx = Transaction(inputs, outputs)
|
|
for item in coins:
|
|
if item.get('coinbase') and item.get('height') + COINBASE_MATURITY > self.network.get_local_height():
|
|
continue
|
|
v = item.get('value')
|
|
total += v
|
|
self.add_input_info(item)
|
|
tx.add_input(item)
|
|
fee = fixed_fee if fixed_fee is not None else self.estimated_fee(tx)
|
|
if total >= amount + fee: break
|
|
else:
|
|
raise NotEnoughFunds()
|
|
|
|
# change address
|
|
if not change_addr:
|
|
# send change to one of the accounts involved in the tx
|
|
address = inputs[0].get('address')
|
|
account, _ = self.get_address_index(address)
|
|
if not self.use_change or account == IMPORTED_ACCOUNT:
|
|
change_addr = address
|
|
else:
|
|
change_addr = self.accounts[account].get_addresses(1)[-self.gap_limit_for_change]
|
|
|
|
# if change is above dust threshold, add a change output.
|
|
change_amount = total - ( amount + fee )
|
|
if fixed_fee is not None and change_amount > 0:
|
|
# Insert the change output at a random position in the outputs
|
|
posn = random.randint(0, len(tx.outputs))
|
|
tx.outputs[posn:posn] = [( 'address', change_addr, change_amount)]
|
|
elif change_amount > DUST_THRESHOLD:
|
|
# Insert the change output at a random position in the outputs
|
|
posn = random.randint(0, len(tx.outputs))
|
|
tx.outputs[posn:posn] = [( 'address', change_addr, change_amount)]
|
|
# recompute fee including change output
|
|
fee = self.estimated_fee(tx)
|
|
# remove change output
|
|
tx.outputs.pop(posn)
|
|
# if change is still above dust threshold, re-add change output.
|
|
change_amount = total - ( amount + fee )
|
|
if change_amount > DUST_THRESHOLD:
|
|
tx.outputs[posn:posn] = [( 'address', change_addr, change_amount)]
|
|
print_error('change', change_amount)
|
|
else:
|
|
print_error('not keeping dust', change_amount)
|
|
else:
|
|
print_error('not keeping dust', change_amount)
|
|
|
|
run_hook('make_unsigned_transaction', tx)
|
|
return tx
|
|
|
|
def mktx(self, outputs, password, fee=None, change_addr=None, domain= None, coins = None ):
|
|
tx = self.make_unsigned_transaction(outputs, fee, change_addr, domain, coins)
|
|
self.sign_transaction(tx, password)
|
|
return tx
|
|
|
|
def add_input_info(self, txin):
|
|
address = txin['address']
|
|
account_id, sequence = self.get_address_index(address)
|
|
account = self.accounts[account_id]
|
|
redeemScript = account.redeem_script(*sequence)
|
|
pubkeys = account.get_pubkeys(*sequence)
|
|
x_pubkeys = account.get_xpubkeys(*sequence)
|
|
# sort pubkeys and x_pubkeys, using the order of pubkeys
|
|
pubkeys, x_pubkeys = zip( *sorted(zip(pubkeys, x_pubkeys)))
|
|
txin['pubkeys'] = list(pubkeys)
|
|
txin['x_pubkeys'] = list(x_pubkeys)
|
|
txin['signatures'] = [None] * len(pubkeys)
|
|
|
|
if redeemScript:
|
|
txin['redeemScript'] = redeemScript
|
|
txin['num_sig'] = 2
|
|
else:
|
|
txin['redeemPubkey'] = account.get_pubkey(*sequence)
|
|
txin['num_sig'] = 1
|
|
|
|
def sign_transaction(self, tx, password):
|
|
if self.is_watching_only():
|
|
return
|
|
# check that the password is correct. This will raise if it's not.
|
|
self.check_password(password)
|
|
keypairs = {}
|
|
x_pubkeys = tx.inputs_to_sign()
|
|
for x in x_pubkeys:
|
|
sec = self.get_private_key_from_xpubkey(x, password)
|
|
if sec:
|
|
keypairs[ x ] = sec
|
|
if keypairs:
|
|
tx.sign(keypairs)
|
|
run_hook('sign_transaction', tx, password)
|
|
|
|
def sendtx(self, tx):
|
|
# synchronous
|
|
h = self.send_tx(tx)
|
|
self.tx_event.wait()
|
|
return self.receive_tx(h, tx)
|
|
|
|
def send_tx(self, tx):
|
|
# asynchronous
|
|
self.tx_event.clear()
|
|
self.network.send([('blockchain.transaction.broadcast', [str(tx)])], self.on_broadcast)
|
|
return tx.hash()
|
|
|
|
def on_broadcast(self, r):
|
|
self.tx_result = r.get('result')
|
|
self.tx_event.set()
|
|
|
|
def receive_tx(self, tx_hash, tx):
|
|
out = self.tx_result
|
|
if out != tx_hash:
|
|
return False, "error: " + out
|
|
run_hook('receive_tx', tx, self)
|
|
return True, out
|
|
|
|
def update_password(self, old_password, new_password):
|
|
if new_password == '':
|
|
new_password = None
|
|
|
|
if self.has_seed():
|
|
decoded = self.get_seed(old_password)
|
|
self.seed = pw_encode( decoded, new_password)
|
|
self.storage.put('seed', self.seed, True)
|
|
|
|
imported_account = self.accounts.get(IMPORTED_ACCOUNT)
|
|
if imported_account:
|
|
imported_account.update_password(old_password, new_password)
|
|
self.save_accounts()
|
|
|
|
if hasattr(self, 'master_private_keys'):
|
|
for k, v in self.master_private_keys.items():
|
|
b = pw_decode(v, old_password)
|
|
c = pw_encode(b, new_password)
|
|
self.master_private_keys[k] = c
|
|
self.storage.put('master_private_keys', self.master_private_keys, True)
|
|
|
|
self.use_encryption = (new_password != None)
|
|
self.storage.put('use_encryption', self.use_encryption,True)
|
|
|
|
def freeze(self,addr):
|
|
if self.is_mine(addr) and addr not in self.frozen_addresses:
|
|
self.frozen_addresses.append(addr)
|
|
self.storage.put('frozen_addresses', self.frozen_addresses, True)
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def unfreeze(self,addr):
|
|
if self.is_mine(addr) and addr in self.frozen_addresses:
|
|
self.frozen_addresses.remove(addr)
|
|
self.storage.put('frozen_addresses', self.frozen_addresses, True)
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def set_verifier(self, verifier):
|
|
self.verifier = verifier
|
|
|
|
# review transactions that are in the history
|
|
for addr, hist in self.history.items():
|
|
if hist == ['*']: continue
|
|
for tx_hash, tx_height in hist:
|
|
if tx_height>0:
|
|
# add it in case it was previously unconfirmed
|
|
self.verifier.add(tx_hash, tx_height)
|
|
|
|
# if we are on a pruning server, remove unverified transactions
|
|
vr = self.verifier.transactions.keys() + self.verifier.verified_tx.keys()
|
|
for tx_hash in self.transactions.keys():
|
|
if tx_hash not in vr:
|
|
self.transactions.pop(tx_hash)
|
|
|
|
def check_new_history(self, addr, hist):
|
|
# check that all tx in hist are relevant
|
|
if hist != ['*']:
|
|
for tx_hash, height in hist:
|
|
tx = self.transactions.get(tx_hash)
|
|
if not tx: continue
|
|
if not tx.has_address(addr):
|
|
return False
|
|
|
|
# check that we are not "orphaning" a transaction
|
|
old_hist = self.history.get(addr,[])
|
|
if old_hist == ['*']: return True
|
|
|
|
for tx_hash, height in old_hist:
|
|
if tx_hash in map(lambda x:x[0], hist): continue
|
|
found = False
|
|
for _addr, _hist in self.history.items():
|
|
if _addr == addr: continue
|
|
if _hist == ['*']: continue
|
|
_tx_hist = map(lambda x:x[0], _hist)
|
|
if tx_hash in _tx_hist:
|
|
found = True
|
|
break
|
|
|
|
if not found:
|
|
tx = self.transactions.get(tx_hash)
|
|
# tx might not be there
|
|
if not tx: continue
|
|
|
|
# already verified?
|
|
if self.verifier.get_height(tx_hash):
|
|
continue
|
|
# unconfirmed tx
|
|
print_error("new history is orphaning transaction:", tx_hash)
|
|
# check that all outputs are not mine, request histories
|
|
ext_requests = []
|
|
for _addr in tx.get_output_addresses():
|
|
# assert not self.is_mine(_addr)
|
|
ext_requests.append( ('blockchain.address.get_history', [_addr]) )
|
|
|
|
ext_h = self.network.synchronous_get(ext_requests)
|
|
print_error("sync:", ext_requests, ext_h)
|
|
height = None
|
|
for h in ext_h:
|
|
if h == ['*']: continue
|
|
for item in h:
|
|
if item.get('tx_hash') == tx_hash:
|
|
height = item.get('height')
|
|
if height:
|
|
print_error("found height for", tx_hash, height)
|
|
self.verifier.add(tx_hash, height)
|
|
else:
|
|
print_error("removing orphaned tx from history", tx_hash)
|
|
self.transactions.pop(tx_hash)
|
|
|
|
return True
|
|
|
|
def check_new_tx(self, tx_hash, tx):
|
|
# 1 check that tx is referenced in addr_history.
|
|
addresses = []
|
|
for addr, hist in self.history.items():
|
|
if hist == ['*']:continue
|
|
for txh, height in hist:
|
|
if txh == tx_hash:
|
|
addresses.append(addr)
|
|
|
|
if not addresses:
|
|
return False
|
|
|
|
# 2 check that referencing addresses are in the tx
|
|
for addr in addresses:
|
|
if not tx.has_address(addr):
|
|
return False
|
|
|
|
return True
|
|
|
|
def start_threads(self, network):
|
|
from verifier import TxVerifier
|
|
self.network = network
|
|
if self.network is not None:
|
|
self.verifier = TxVerifier(self.network, self.storage)
|
|
self.verifier.start()
|
|
self.set_verifier(self.verifier)
|
|
self.synchronizer = WalletSynchronizer(self, network)
|
|
self.synchronizer.start()
|
|
else:
|
|
self.verifier = None
|
|
self.synchronizer =None
|
|
|
|
def stop_threads(self):
|
|
if self.network:
|
|
self.verifier.stop()
|
|
self.synchronizer.stop()
|
|
|
|
def restore(self, cb):
|
|
pass
|
|
|
|
def get_accounts(self):
|
|
return self.accounts
|
|
|
|
def add_account(self, account_id, account):
|
|
self.accounts[account_id] = account
|
|
self.save_accounts()
|
|
|
|
def save_accounts(self):
|
|
d = {}
|
|
for k, v in self.accounts.items():
|
|
d[k] = v.dump()
|
|
self.storage.put('accounts', d, True)
|
|
|
|
def can_import(self):
|
|
return not self.is_watching_only()
|
|
|
|
def can_export(self):
|
|
return not self.is_watching_only()
|
|
|
|
def is_used(self, address):
|
|
h = self.history.get(address,[])
|
|
c, u = self.get_addr_balance(address)
|
|
return len(h), len(h) > 0 and c == -u
|
|
|
|
def address_is_old(self, address, age_limit=2):
|
|
age = -1
|
|
h = self.history.get(address, [])
|
|
if h == ['*']:
|
|
return True
|
|
for tx_hash, tx_height in h:
|
|
if tx_height == 0:
|
|
tx_age = 0
|
|
else:
|
|
tx_age = self.network.get_local_height() - tx_height + 1
|
|
if tx_age > age:
|
|
age = tx_age
|
|
return age > age_limit
|
|
|
|
def can_sign(self, tx):
|
|
if self.is_watching_only():
|
|
return False
|
|
if tx.is_complete():
|
|
return False
|
|
for x in tx.inputs_to_sign():
|
|
if self.can_sign_xpubkey(x):
|
|
return True
|
|
return False
|
|
|
|
|
|
def get_private_key_from_xpubkey(self, x_pubkey, password):
|
|
if x_pubkey[0:2] in ['02','03','04']:
|
|
addr = bitcoin.public_key_to_bc_address(x_pubkey.decode('hex'))
|
|
if self.is_mine(addr):
|
|
return self.get_private_key(addr, password)[0]
|
|
elif x_pubkey[0:2] == 'ff':
|
|
xpub, sequence = BIP32_Account.parse_xpubkey(x_pubkey)
|
|
for k, v in self.master_public_keys.items():
|
|
if v == xpub:
|
|
xprv = self.get_master_private_key(k, password)
|
|
if xprv:
|
|
_, _, _, c, k = deserialize_xkey(xprv)
|
|
return bip32_private_key(sequence, k, c)
|
|
elif x_pubkey[0:2] == 'fe':
|
|
xpub, sequence = OldAccount.parse_xpubkey(x_pubkey)
|
|
for k, account in self.accounts.items():
|
|
if xpub in account.get_master_pubkeys():
|
|
pk = account.get_private_key(sequence, self, password)
|
|
return pk[0]
|
|
elif x_pubkey[0:2] == 'fd':
|
|
addrtype = ord(x_pubkey[2:4].decode('hex'))
|
|
addr = hash_160_to_bc_address(x_pubkey[4:].decode('hex'), addrtype)
|
|
if self.is_mine(addr):
|
|
return self.get_private_key(addr, password)[0]
|
|
else:
|
|
raise BaseException("z")
|
|
|
|
|
|
def can_sign_xpubkey(self, x_pubkey):
|
|
if x_pubkey[0:2] in ['02','03','04']:
|
|
addr = bitcoin.public_key_to_bc_address(x_pubkey.decode('hex'))
|
|
return self.is_mine(addr)
|
|
elif x_pubkey[0:2] == 'ff':
|
|
xpub, sequence = BIP32_Account.parse_xpubkey(x_pubkey)
|
|
return xpub in [ self.master_public_keys[k] for k in self.master_private_keys.keys() ]
|
|
elif x_pubkey[0:2] == 'fe':
|
|
xpub, sequence = OldAccount.parse_xpubkey(x_pubkey)
|
|
return xpub == self.get_master_public_key()
|
|
elif x_pubkey[0:2] == 'fd':
|
|
addrtype = ord(x_pubkey[2:4].decode('hex'))
|
|
addr = hash_160_to_bc_address(x_pubkey[4:].decode('hex'), addrtype)
|
|
return self.is_mine(addr)
|
|
else:
|
|
raise BaseException("z")
|
|
|
|
|
|
def is_watching_only(self):
|
|
False
|
|
|
|
def can_change_password(self):
|
|
return not self.is_watching_only()
|
|
|
|
class Imported_Wallet(Abstract_Wallet):
|
|
wallet_type = 'imported'
|
|
|
|
def __init__(self, storage):
|
|
Abstract_Wallet.__init__(self, storage)
|
|
a = self.accounts.get(IMPORTED_ACCOUNT)
|
|
if not a:
|
|
self.accounts[IMPORTED_ACCOUNT] = ImportedAccount({'imported':{}})
|
|
|
|
def is_watching_only(self):
|
|
acc = self.accounts[IMPORTED_ACCOUNT]
|
|
n = acc.keypairs.values()
|
|
return n == [[None, None]] * len(n)
|
|
|
|
def has_seed(self):
|
|
return False
|
|
|
|
def is_deterministic(self):
|
|
return False
|
|
|
|
def check_password(self, password):
|
|
self.accounts[IMPORTED_ACCOUNT].get_private_key((0,0), self, password)
|
|
|
|
def is_used(self, address):
|
|
h = self.history.get(address,[])
|
|
return len(h), False
|
|
|
|
def get_master_public_keys(self):
|
|
return {}
|
|
|
|
def is_beyond_limit(self, address, account, is_change):
|
|
return False
|
|
|
|
|
|
class Deterministic_Wallet(Abstract_Wallet):
|
|
|
|
def __init__(self, storage):
|
|
Abstract_Wallet.__init__(self, storage)
|
|
|
|
def has_seed(self):
|
|
return self.seed != ''
|
|
|
|
def is_deterministic(self):
|
|
return True
|
|
|
|
def is_watching_only(self):
|
|
return not self.has_seed()
|
|
|
|
def add_seed(self, seed, password):
|
|
if self.seed:
|
|
raise Exception("a seed exists")
|
|
|
|
self.seed_version, self.seed = self.format_seed(seed)
|
|
if password:
|
|
self.seed = pw_encode( self.seed, password)
|
|
self.use_encryption = True
|
|
else:
|
|
self.use_encryption = False
|
|
|
|
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)
|
|
|
|
def get_seed(self, password):
|
|
return pw_decode(self.seed, password)
|
|
|
|
def get_mnemonic(self, password):
|
|
return self.get_seed(password)
|
|
|
|
def change_gap_limit(self, value):
|
|
if value >= self.gap_limit:
|
|
self.gap_limit = value
|
|
self.storage.put('gap_limit', self.gap_limit, True)
|
|
#self.interface.poke('synchronizer')
|
|
return True
|
|
|
|
elif value >= self.min_acceptable_gap():
|
|
for key, account in self.accounts.items():
|
|
addresses = account[0]
|
|
k = self.num_unused_trailing_addresses(addresses)
|
|
n = len(addresses) - k + value
|
|
addresses = addresses[0:n]
|
|
self.accounts[key][0] = addresses
|
|
|
|
self.gap_limit = value
|
|
self.storage.put('gap_limit', self.gap_limit, True)
|
|
self.save_accounts()
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def num_unused_trailing_addresses(self, addresses):
|
|
k = 0
|
|
for a in addresses[::-1]:
|
|
if self.history.get(a):break
|
|
k = k + 1
|
|
return k
|
|
|
|
def min_acceptable_gap(self):
|
|
# fixme: this assumes wallet is synchronized
|
|
n = 0
|
|
nmax = 0
|
|
|
|
for account in self.accounts.values():
|
|
addresses = account.get_addresses(0)
|
|
k = self.num_unused_trailing_addresses(addresses)
|
|
for a in addresses[0:-k]:
|
|
if self.history.get(a):
|
|
n = 0
|
|
else:
|
|
n += 1
|
|
if n > nmax: nmax = n
|
|
return nmax + 1
|
|
|
|
def default_account(self):
|
|
return self.accounts['0']
|
|
|
|
def create_new_address(self, account=None, for_change=0):
|
|
if account is None:
|
|
account = self.default_account()
|
|
address = account.create_new_address(for_change)
|
|
self.add_address(address)
|
|
return address
|
|
|
|
def add_address(self, address):
|
|
if address not in self.history:
|
|
self.history[address] = []
|
|
if self.synchronizer:
|
|
self.synchronizer.add(address)
|
|
self.save_accounts()
|
|
|
|
def synchronize(self):
|
|
for account in self.accounts.values():
|
|
account.synchronize(self)
|
|
|
|
def restore(self, callback):
|
|
from i18n import _
|
|
def wait_for_wallet():
|
|
self.set_up_to_date(False)
|
|
while not self.is_up_to_date():
|
|
msg = "%s\n%s %d"%(
|
|
_("Please wait..."),
|
|
_("Addresses generated:"),
|
|
len(self.addresses(True)))
|
|
|
|
apply(callback, (msg,))
|
|
time.sleep(0.1)
|
|
|
|
def wait_for_network():
|
|
while not self.network.is_connected():
|
|
msg = "%s \n" % (_("Connecting..."))
|
|
apply(callback, (msg,))
|
|
time.sleep(0.1)
|
|
|
|
# wait until we are connected, because the user might have selected another server
|
|
if self.network:
|
|
wait_for_network()
|
|
wait_for_wallet()
|
|
else:
|
|
self.synchronize()
|
|
self.fill_addressbook()
|
|
|
|
|
|
def is_beyond_limit(self, address, account, is_change):
|
|
if type(account) == ImportedAccount:
|
|
return False
|
|
addr_list = account.get_addresses(is_change)
|
|
i = addr_list.index(address)
|
|
prev_addresses = addr_list[:max(0, i)]
|
|
limit = self.gap_limit_for_change if is_change else self.gap_limit
|
|
if len(prev_addresses) < limit:
|
|
return False
|
|
prev_addresses = prev_addresses[max(0, i - limit):]
|
|
for addr in prev_addresses:
|
|
if self.history.get(addr):
|
|
return False
|
|
return True
|
|
|
|
def get_action(self):
|
|
if not self.get_master_public_key():
|
|
return 'create_seed'
|
|
if not self.accounts:
|
|
return 'create_accounts'
|
|
|
|
def get_master_public_keys(self):
|
|
out = {}
|
|
for k, account in self.accounts.items():
|
|
name = self.get_account_name(k)
|
|
mpk_text = '\n\n'.join( account.get_master_pubkeys() )
|
|
out[name] = mpk_text
|
|
return out
|
|
|
|
|
|
|
|
class BIP32_Wallet(Deterministic_Wallet):
|
|
# abstract class, bip32 logic
|
|
root_name = 'x/'
|
|
gap_limit = 20
|
|
|
|
def __init__(self, storage):
|
|
Deterministic_Wallet.__init__(self, storage)
|
|
self.master_public_keys = storage.get('master_public_keys', {})
|
|
self.master_private_keys = storage.get('master_private_keys', {})
|
|
|
|
def is_watching_only(self):
|
|
return not bool(self.master_private_keys)
|
|
|
|
def can_import(self):
|
|
return False
|
|
|
|
def get_master_public_key(self):
|
|
return self.master_public_keys.get(self.root_name)
|
|
|
|
def get_master_private_key(self, account, password):
|
|
k = self.master_private_keys.get(account)
|
|
if not k: return
|
|
xprv = pw_decode(k, password)
|
|
try:
|
|
deserialize_xkey(xprv)
|
|
except:
|
|
raise InvalidPassword()
|
|
return xprv
|
|
|
|
def check_password(self, password):
|
|
xpriv = self.get_master_private_key(self.root_name, password)
|
|
xpub = self.master_public_keys[self.root_name]
|
|
if deserialize_xkey(xpriv)[3] != deserialize_xkey(xpub)[3]:
|
|
raise InvalidPassword()
|
|
|
|
def add_master_public_key(self, name, xpub):
|
|
if xpub in self.master_public_keys.values():
|
|
raise BaseException('Duplicate master public key')
|
|
self.master_public_keys[name] = xpub
|
|
self.storage.put('master_public_keys', self.master_public_keys, True)
|
|
|
|
def add_master_private_key(self, name, xpriv, password):
|
|
self.master_private_keys[name] = pw_encode(xpriv, password)
|
|
self.storage.put('master_private_keys', self.master_private_keys, True)
|
|
|
|
def derive_xkeys(self, root, derivation, password):
|
|
x = self.master_private_keys[root]
|
|
root_xprv = pw_decode(x, password)
|
|
xprv, xpub = bip32_private_derivation(root_xprv, root, derivation)
|
|
return xpub, xprv
|
|
|
|
def create_master_keys(self, password):
|
|
seed = self.get_seed(password)
|
|
self.add_cosigner_seed(seed, self.root_name, password)
|
|
|
|
def add_cosigner_seed(self, seed, name, password):
|
|
# we don't store the seed, only the master xpriv
|
|
xprv, xpub = bip32_root(self.mnemonic_to_seed(seed,''))
|
|
xprv, xpub = bip32_private_derivation(xprv, "m/", self.root_derivation)
|
|
self.add_master_public_key(name, xpub)
|
|
self.add_master_private_key(name, xprv, password)
|
|
|
|
def add_cosigner_xpub(self, seed, name):
|
|
# store only master xpub
|
|
xprv, xpub = bip32_root(self.mnemonic_to_seed(seed,''))
|
|
xprv, xpub = bip32_private_derivation(xprv, "m/", self.root_derivation)
|
|
self.add_master_public_key(name, xpub)
|
|
|
|
def mnemonic_to_seed(self, seed, password):
|
|
return Mnemonic.mnemonic_to_seed(seed, password)
|
|
|
|
def make_seed(self):
|
|
lang = self.storage.config.get('language')
|
|
return Mnemonic(lang).make_seed()
|
|
|
|
def format_seed(self, seed):
|
|
return NEW_SEED_VERSION, ' '.join(seed.split())
|
|
|
|
|
|
class BIP32_Simple_Wallet(BIP32_Wallet):
|
|
# Wallet with a single BIP32 account, no seed
|
|
# gap limit 20
|
|
wallet_type = 'xpub'
|
|
|
|
def create_xprv_wallet(self, xprv, password):
|
|
xpub = bitcoin.xpub_from_xprv(xprv)
|
|
account = BIP32_Account({'xpub':xpub})
|
|
self.storage.put('seed_version', self.seed_version, True)
|
|
self.add_master_private_key(self.root_name, xprv, password)
|
|
self.add_master_public_key(self.root_name, xpub)
|
|
self.add_account('0', account)
|
|
|
|
def create_xpub_wallet(self, xpub):
|
|
account = BIP32_Account({'xpub':xpub})
|
|
self.storage.put('seed_version', self.seed_version, True)
|
|
self.add_master_public_key(self.root_name, xpub)
|
|
self.add_account('0', account)
|
|
|
|
|
|
class BIP32_HD_Wallet(BIP32_Wallet):
|
|
# wallet that can create accounts
|
|
def __init__(self, storage):
|
|
self.next_account = storage.get('next_account', None)
|
|
BIP32_Wallet.__init__(self, storage)
|
|
|
|
def can_create_accounts(self):
|
|
return self.root_name in self.master_private_keys.keys()
|
|
|
|
def addresses(self, b=True):
|
|
l = BIP32_Wallet.addresses(self, b)
|
|
if self.next_account:
|
|
next_address = self.next_account[2]
|
|
if next_address not in l:
|
|
l.append(next_address)
|
|
return l
|
|
|
|
def get_address_index(self, address):
|
|
if self.next_account:
|
|
next_id, next_xpub, next_address = self.next_account
|
|
if address == next_address:
|
|
return next_id, (0,0)
|
|
return BIP32_Wallet.get_address_index(self, address)
|
|
|
|
def num_accounts(self):
|
|
keys = []
|
|
for k, v in self.accounts.items():
|
|
if type(v) != BIP32_Account:
|
|
continue
|
|
keys.append(k)
|
|
i = 0
|
|
while True:
|
|
account_id = '%d'%i
|
|
if account_id not in keys:
|
|
break
|
|
i += 1
|
|
return i
|
|
|
|
def get_next_account(self, password):
|
|
account_id = '%d'%self.num_accounts()
|
|
derivation = self.root_name + "%d'"%int(account_id)
|
|
xpub, xprv = self.derive_xkeys(self.root_name, derivation, password)
|
|
self.add_master_public_key(derivation, xpub)
|
|
if xprv:
|
|
self.add_master_private_key(derivation, xprv, password)
|
|
account = BIP32_Account({'xpub':xpub})
|
|
addr = account.first_address()
|
|
self.add_address(addr)
|
|
return account_id, xpub, addr
|
|
|
|
def create_main_account(self, password):
|
|
# First check the password is valid (this raises if it isn't).
|
|
self.check_password(password)
|
|
assert self.num_accounts() == 0
|
|
self.create_account('Main account', password)
|
|
|
|
def create_account(self, name, password):
|
|
account_id, xpub, addr = self.get_next_account(password)
|
|
account = BIP32_Account({'xpub':xpub})
|
|
self.add_account(account_id, account)
|
|
self.set_label(account_id, name)
|
|
# add address of the next account
|
|
self.next_account = self.get_next_account(password)
|
|
self.storage.put('next_account', self.next_account)
|
|
|
|
def account_is_pending(self, k):
|
|
return type(self.accounts.get(k)) == PendingAccount
|
|
|
|
def delete_pending_account(self, k):
|
|
assert type(self.accounts.get(k)) == PendingAccount
|
|
self.accounts.pop(k)
|
|
self.save_accounts()
|
|
|
|
def create_pending_account(self, name, password):
|
|
if self.next_account is None:
|
|
self.next_account = self.get_next_account(password)
|
|
self.storage.put('next_account', self.next_account)
|
|
next_id, next_xpub, next_address = self.next_account
|
|
if name:
|
|
self.set_label(next_id, name)
|
|
self.accounts[next_id] = PendingAccount({'pending':next_address})
|
|
self.save_accounts()
|
|
|
|
def synchronize(self):
|
|
# synchronize existing accounts
|
|
BIP32_Wallet.synchronize(self)
|
|
|
|
if self.next_account is None and not self.use_encryption:
|
|
self.next_account = self.get_next_account(None)
|
|
self.storage.put('next_account', self.next_account)
|
|
|
|
# check pending account
|
|
if self.next_account is not None:
|
|
next_id, next_xpub, next_address = self.next_account
|
|
if self.address_is_old(next_address):
|
|
print_error("creating account", next_id)
|
|
self.add_account(next_id, BIP32_Account({'xpub':next_xpub}))
|
|
# here the user should get a notification
|
|
self.next_account = None
|
|
self.storage.put('next_account', self.next_account)
|
|
elif self.history.get(next_address, []):
|
|
if next_id not in self.accounts:
|
|
print_error("create pending account", next_id)
|
|
self.accounts[next_id] = PendingAccount({'pending':next_address})
|
|
self.save_accounts()
|
|
|
|
|
|
|
|
class NewWallet(BIP32_Wallet, Mnemonic):
|
|
# Standard wallet
|
|
root_derivation = "m/"
|
|
wallet_type = 'standard'
|
|
|
|
def create_main_account(self, password):
|
|
xpub = self.master_public_keys.get("x/")
|
|
account = BIP32_Account({'xpub':xpub})
|
|
self.add_account('0', account)
|
|
|
|
|
|
class Wallet_2of2(BIP32_Wallet, Mnemonic):
|
|
# Wallet with multisig addresses.
|
|
root_name = "x1/"
|
|
root_derivation = "m/"
|
|
wallet_type = '2of2'
|
|
|
|
def create_main_account(self, password):
|
|
xpub1 = self.master_public_keys.get("x1/")
|
|
xpub2 = self.master_public_keys.get("x2/")
|
|
account = BIP32_Account_2of2({'xpub':xpub1, 'xpub2':xpub2})
|
|
self.add_account('0', account)
|
|
|
|
def get_master_public_keys(self):
|
|
xpub1 = self.master_public_keys.get("x1/")
|
|
xpub2 = self.master_public_keys.get("x2/")
|
|
return {'x1':xpub1, 'x2':xpub2}
|
|
|
|
def get_action(self):
|
|
xpub1 = self.master_public_keys.get("x1/")
|
|
xpub2 = self.master_public_keys.get("x2/")
|
|
if xpub1 is None:
|
|
return 'create_seed'
|
|
if xpub2 is None:
|
|
return 'add_cosigner'
|
|
if not self.accounts:
|
|
return 'create_accounts'
|
|
|
|
|
|
|
|
class Wallet_2of3(Wallet_2of2):
|
|
# multisig 2 of 3
|
|
wallet_type = '2of3'
|
|
|
|
def create_main_account(self, password):
|
|
xpub1 = self.master_public_keys.get("x1/")
|
|
xpub2 = self.master_public_keys.get("x2/")
|
|
xpub3 = self.master_public_keys.get("x3/")
|
|
account = BIP32_Account_2of3({'xpub':xpub1, 'xpub2':xpub2, 'xpub3':xpub3})
|
|
self.add_account('0', account)
|
|
|
|
def get_master_public_keys(self):
|
|
xpub1 = self.master_public_keys.get("x1/")
|
|
xpub2 = self.master_public_keys.get("x2/")
|
|
xpub3 = self.master_public_keys.get("x3/")
|
|
return {'x1':xpub1, 'x2':xpub2, 'x3':xpub3}
|
|
|
|
def get_action(self):
|
|
xpub1 = self.master_public_keys.get("x1/")
|
|
xpub2 = self.master_public_keys.get("x2/")
|
|
xpub3 = self.master_public_keys.get("x3/")
|
|
if xpub1 is None:
|
|
return 'create_seed'
|
|
if xpub2 is None or xpub3 is None:
|
|
return 'add_two_cosigners'
|
|
if not self.accounts:
|
|
return 'create_accounts'
|
|
|
|
|
|
class OldWallet(Deterministic_Wallet):
|
|
wallet_type = 'old'
|
|
gap_limit = 5
|
|
|
|
def __init__(self, storage):
|
|
Deterministic_Wallet.__init__(self, storage)
|
|
self.gap_limit = storage.get('gap_limit', 5)
|
|
|
|
def make_seed(self):
|
|
import old_mnemonic
|
|
seed = random_seed(128)
|
|
return ' '.join(old_mnemonic.mn_encode(seed))
|
|
|
|
def format_seed(self, seed):
|
|
import old_mnemonic
|
|
# see if seed was entered as hex
|
|
seed = seed.strip()
|
|
try:
|
|
assert seed
|
|
seed.decode('hex')
|
|
return OLD_SEED_VERSION, str(seed)
|
|
except Exception:
|
|
pass
|
|
|
|
words = seed.split()
|
|
seed = old_mnemonic.mn_decode(words)
|
|
if not seed:
|
|
raise Exception("Invalid seed")
|
|
|
|
return OLD_SEED_VERSION, seed
|
|
|
|
def create_master_keys(self, password):
|
|
seed = self.get_seed(password)
|
|
mpk = OldAccount.mpk_from_seed(seed)
|
|
self.storage.put('master_public_key', mpk, True)
|
|
|
|
def get_master_public_key(self):
|
|
return self.storage.get("master_public_key")
|
|
|
|
def get_master_public_keys(self):
|
|
return {'Main Account':self.get_master_public_key()}
|
|
|
|
def create_main_account(self, password):
|
|
mpk = self.storage.get("master_public_key")
|
|
self.create_account(mpk)
|
|
|
|
def create_account(self, mpk):
|
|
self.accounts['0'] = OldAccount({'mpk':mpk, 0:[], 1:[]})
|
|
self.save_accounts()
|
|
|
|
def create_watching_only_wallet(self, mpk):
|
|
self.seed_version = OLD_SEED_VERSION
|
|
self.storage.put('seed_version', self.seed_version, True)
|
|
self.storage.put('master_public_key', mpk, True)
|
|
self.create_account(mpk)
|
|
|
|
def get_seed(self, password):
|
|
seed = pw_decode(self.seed, password).encode('utf8')
|
|
return seed
|
|
|
|
def check_password(self, password):
|
|
seed = self.get_seed(password)
|
|
self.accounts['0'].check_seed(seed)
|
|
|
|
def get_mnemonic(self, password):
|
|
import old_mnemonic
|
|
s = self.get_seed(password)
|
|
return ' '.join(old_mnemonic.mn_encode(s))
|
|
|
|
|
|
|
|
|
|
wallet_types = [
|
|
# category type description constructor
|
|
('standard', 'old', ("Old wallet"), OldWallet),
|
|
('standard', 'xpub', ("BIP32 Import"), BIP32_Simple_Wallet),
|
|
('standard', 'standard', ("Standard wallet"), NewWallet),
|
|
('standard', 'imported', ("Imported wallet"), Imported_Wallet),
|
|
('multisig', '2of2', ("Multisig wallet (2 of 2)"), Wallet_2of2),
|
|
('multisig', '2of3', ("Multisig wallet (2 of 3)"), Wallet_2of3)
|
|
]
|
|
|
|
# former WalletFactory
|
|
class Wallet(object):
|
|
"""The main wallet "entry point".
|
|
This class is actually a factory that will return a wallet of the correct
|
|
type when passed a WalletStorage instance."""
|
|
|
|
def __new__(self, storage):
|
|
|
|
seed_version = storage.get('seed_version')
|
|
if not seed_version:
|
|
seed_version = OLD_SEED_VERSION if len(storage.get('master_public_key','')) == 128 else NEW_SEED_VERSION
|
|
|
|
if seed_version not in [OLD_SEED_VERSION, NEW_SEED_VERSION]:
|
|
msg = "This wallet seed is not supported anymore."
|
|
if seed_version in [5, 7, 8, 9, 10]:
|
|
msg += "\nTo open this wallet, try 'git checkout seed_v%d'"%seed_version
|
|
raise BaseException(msg)
|
|
|
|
run_hook('add_wallet_types', wallet_types)
|
|
wallet_type = storage.get('wallet_type')
|
|
if wallet_type:
|
|
for cat, t, name, c in wallet_types:
|
|
if t == wallet_type:
|
|
WalletClass = c
|
|
break
|
|
else:
|
|
raise BaseException('unknown wallet type', wallet_type)
|
|
else:
|
|
if seed_version == OLD_SEED_VERSION:
|
|
WalletClass = OldWallet
|
|
else:
|
|
WalletClass = NewWallet
|
|
|
|
return WalletClass(storage)
|
|
|
|
@classmethod
|
|
def is_seed(self, seed):
|
|
if not seed:
|
|
return False
|
|
elif is_old_seed(seed):
|
|
return True
|
|
elif is_new_seed(seed):
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
@classmethod
|
|
def is_old_mpk(self, mpk):
|
|
try:
|
|
int(mpk, 16)
|
|
assert len(mpk) == 128
|
|
return True
|
|
except:
|
|
return False
|
|
|
|
@classmethod
|
|
def is_xpub(self, text):
|
|
try:
|
|
assert text[0:4] == 'xpub'
|
|
deserialize_xkey(text)
|
|
return True
|
|
except:
|
|
return False
|
|
|
|
@classmethod
|
|
def is_xprv(self, text):
|
|
try:
|
|
assert text[0:4] == 'xprv'
|
|
deserialize_xkey(text)
|
|
return True
|
|
except:
|
|
return False
|
|
|
|
@classmethod
|
|
def is_address(self, text):
|
|
if not text:
|
|
return False
|
|
for x in text.split():
|
|
if not bitcoin.is_address(x):
|
|
return False
|
|
return True
|
|
|
|
@classmethod
|
|
def is_private_key(self, text):
|
|
if not text:
|
|
return False
|
|
for x in text.split():
|
|
if not bitcoin.is_private_key(x):
|
|
return False
|
|
return True
|
|
|
|
@classmethod
|
|
def from_seed(self, seed, storage):
|
|
if is_old_seed(seed):
|
|
klass = OldWallet
|
|
elif is_new_seed(seed):
|
|
klass = NewWallet
|
|
w = klass(storage)
|
|
return w
|
|
|
|
@classmethod
|
|
def from_address(self, text, storage):
|
|
w = Imported_Wallet(storage)
|
|
for x in text.split():
|
|
w.accounts[IMPORTED_ACCOUNT].add(x, None, None, None)
|
|
w.save_accounts()
|
|
return w
|
|
|
|
@classmethod
|
|
def from_private_key(self, text, password, storage):
|
|
w = Imported_Wallet(storage)
|
|
w.update_password(None, password)
|
|
for x in text.split():
|
|
w.import_key(x, password)
|
|
return w
|
|
|
|
@classmethod
|
|
def from_old_mpk(self, mpk, storage):
|
|
w = OldWallet(storage)
|
|
w.seed = ''
|
|
w.create_watching_only_wallet(mpk)
|
|
return w
|
|
|
|
@classmethod
|
|
def from_xpub(self, xpub, storage):
|
|
w = BIP32_Simple_Wallet(storage)
|
|
w.create_xpub_wallet(xpub)
|
|
return w
|
|
|
|
@classmethod
|
|
def from_xprv(self, xprv, password, storage):
|
|
w = BIP32_Simple_Wallet(storage)
|
|
w.create_xprv_wallet(xprv, password)
|
|
return w
|