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1885 lines
62 KiB
1885 lines
62 KiB
#!/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 base64
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import os
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import re
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import hashlib
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import copy
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import operator
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import ast
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import threading
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import random
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import aes
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import Queue
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import time
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import math
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from util import print_msg, print_error, format_satoshis
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from bitcoin import *
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from account import *
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from transaction import Transaction
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from plugins import run_hook
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COINBASE_MATURITY = 100
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DUST_THRESHOLD = 5430
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# AES encryption
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EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))
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DecodeAES = lambda secret, e: aes.decryptData(secret, base64.b64decode(e))
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def pw_encode(s, password):
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if password:
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secret = Hash(password)
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return EncodeAES(secret, s)
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else:
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return s
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def pw_decode(s, password):
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if password is not None:
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secret = Hash(password)
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try:
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d = DecodeAES(secret, s)
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except Exception:
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raise Exception('Invalid password')
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return d
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else:
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return s
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from version import *
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class WalletStorage:
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def __init__(self, config):
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self.lock = threading.Lock()
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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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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 = d
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self.file_exists = True
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def get(self, key, default=None):
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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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return v
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def put(self, key, value, save = True):
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with self.lock:
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if value is not None:
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self.data[key] = value
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else:
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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 = repr(self.data)
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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 NewWallet:
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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.gap_limit = storage.get('gap_limit', 5)
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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.imported_keys = storage.get('imported_keys',{})
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self.history = storage.get('addr_history',{}) # address -> list(txid, height)
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self.fee = int(storage.get('fee_per_kb',20000))
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self.master_public_keys = storage.get('master_public_keys',{})
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self.master_private_keys = storage.get('master_private_keys', {})
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self.next_addresses = storage.get('next_addresses',{})
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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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self.load_accounts()
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self.transactions = {}
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tx_list = self.storage.get('transactions',{})
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for k,v in tx_list.items():
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try:
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tx = Transaction(v)
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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_extra_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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# 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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def add_extra_addresses(self, tx):
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h = tx.hash()
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# find the address corresponding to pay-to-pubkey inputs
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tx.add_extra_addresses(self.transactions)
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for o in tx.d.get('outputs'):
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if o.get('is_pubkey'):
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for tx2 in self.transactions.values():
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tx2.add_extra_addresses({h:tx})
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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 import_key(self, sec, password):
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# check password
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seed = self.get_seed(password)
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try:
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address = address_from_private_key(sec)
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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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# store the originally requested keypair into the imported keys table
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self.imported_keys[address] = pw_encode(sec, password )
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self.storage.put('imported_keys', self.imported_keys, True)
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if self.synchronizer:
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self.synchronizer.subscribe_to_addresses([address])
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return address
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def delete_imported_key(self, addr):
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if addr in self.imported_keys:
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self.imported_keys.pop(addr)
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self.storage.put('imported_keys', self.imported_keys, True)
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def make_seed(self):
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import mnemonic, ecdsa
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entropy = ecdsa.util.randrange( pow(2,160) )
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nonce = 0
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while True:
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ss = "%040x"%(entropy+nonce)
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s = hashlib.sha256(ss.decode('hex')).digest().encode('hex')
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# we keep only 13 words, that's approximately 139 bits of entropy
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words = mnemonic.mn_encode(s)[0:13]
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seed = ' '.join(words)
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if is_seed(seed):
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break # this will remove 8 bits of entropy
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nonce += 1
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return seed
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def init_seed(self, seed):
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import mnemonic, unicodedata
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if self.seed:
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raise Exception("a seed exists")
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self.seed_version = NEW_SEED_VERSION
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if not seed:
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self.seed = self.make_seed()
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return
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self.seed = unicodedata.normalize('NFC', unicode(seed.strip()))
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def save_seed(self, password):
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if password:
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self.seed = pw_encode( self.seed, password)
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self.use_encryption = True
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self.storage.put('seed', self.seed, True)
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self.storage.put('seed_version', self.seed_version, True)
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self.storage.put('use_encryption', self.use_encryption,True)
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self.create_accounts(password)
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def create_watching_only_wallet(self, K0, c0):
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cK0 = "" #FIXME
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self.master_public_keys = {
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"m/0'/": (c0, K0, cK0),
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}
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self.storage.put('master_public_keys', self.master_public_keys, True)
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self.storage.put('seed_version', self.seed_version, True)
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self.create_account('1of1','Main account')
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def create_accounts(self, password):
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seed = pw_decode(self.seed, password)
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# create default account
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self.create_master_keys('1of1', password)
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self.create_account('1of1','Main account')
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def create_master_keys(self, account_type, password):
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master_k, master_c, master_K, master_cK = bip32_init(self.get_seed(password))
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if account_type == '1of1':
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k0, c0, K0, cK0 = bip32_private_derivation(master_k, master_c, "m/", "m/0'/")
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self.master_public_keys["m/0'/"] = (c0, K0, cK0)
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self.master_private_keys["m/0'/"] = pw_encode(k0, password)
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elif account_type == '2of2':
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k1, c1, K1, cK1 = bip32_private_derivation(master_k, master_c, "m/", "m/1'/")
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k2, c2, K2, cK2 = bip32_private_derivation(master_k, master_c, "m/", "m/2'/")
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self.master_public_keys["m/1'/"] = (c1, K1, cK1)
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self.master_public_keys["m/2'/"] = (c2, K2, cK2)
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self.master_private_keys["m/1'/"] = pw_encode(k1, password)
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self.master_private_keys["m/2'/"] = pw_encode(k2, password)
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elif account_type == '2of3':
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k3, c3, K3, cK3 = bip32_private_derivation(master_k, master_c, "m/", "m/3'/")
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k4, c4, K4, cK4 = bip32_private_derivation(master_k, master_c, "m/", "m/4'/")
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k5, c5, K5, cK5 = bip32_private_derivation(master_k, master_c, "m/", "m/5'/")
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self.master_public_keys["m/3'/"] = (c3, K3, cK3)
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self.master_public_keys["m/4'/"] = (c4, K4, cK4)
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self.master_public_keys["m/5'/"] = (c5, K5, cK5)
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self.master_private_keys["m/3'/"] = pw_encode(k3, password)
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self.master_private_keys["m/4'/"] = pw_encode(k4, password)
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self.master_private_keys["m/5'/"] = pw_encode(k5, password)
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self.storage.put('master_public_keys', self.master_public_keys, True)
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self.storage.put('master_private_keys', self.master_private_keys, True)
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def has_master_public_keys(self, account_type):
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if account_type == '1of1':
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return "m/0'/" in self.master_public_keys
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elif account_type == '2of2':
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return set(["m/1'/", "m/2'/"]) <= set(self.master_public_keys.keys())
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elif account_type == '2of3':
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return set(["m/3'/", "m/4'/", "m/5'/"]) <= set(self.master_public_keys.keys())
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def find_root_by_master_key(self, c, K):
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for key, v in self.master_public_keys.items():
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if key == "m/":continue
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cc, KK, _ = v
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if (c == cc) and (K == KK):
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return key
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def deseed_root(self, seed, password):
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# for safety, we ask the user to enter their seed
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assert seed == self.get_seed(password)
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self.seed = ''
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self.storage.put('seed', '', True)
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def deseed_branch(self, k):
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# check that parent has no seed
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# assert self.seed == ''
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self.master_private_keys.pop(k)
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self.storage.put('master_private_keys', self.master_private_keys, True)
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def is_watching_only(self):
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return (self.seed == '') and (self.master_private_keys == {})
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def account_id(self, account_type, i):
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if account_type == '1of1':
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return "m/0'/%d"%i
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elif account_type == '2of2':
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return "m/1'/%d & m/2'/%d"%(i,i)
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elif account_type == '2of3':
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return "m/3'/%d & m/4'/%d & m/5'/%d"%(i,i,i)
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else:
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raise Exception('unknown account type')
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def num_accounts(self, account_type):
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keys = self.accounts.keys()
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i = 0
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while True:
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account_id = self.account_id(account_type, i)
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if account_id not in keys: break
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i += 1
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return i
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def new_account_address(self, account_type = '1of1'):
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i = self.num_accounts(account_type)
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k = self.account_id(account_type,i)
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addr = self.next_addresses.get(k)
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if not addr:
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account_id, account = self.next_account(account_type)
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addr = account.first_address()
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self.next_addresses[k] = addr
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self.storage.put('next_addresses',self.next_addresses)
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return k, addr
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def next_account(self, account_type = '1of1'):
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i = self.num_accounts(account_type)
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account_id = self.account_id(account_type,i)
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if account_type is '1of1':
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master_c0, master_K0, _ = self.master_public_keys["m/0'/"]
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c0, K0, cK0 = bip32_public_derivation(master_c0.decode('hex'), master_K0.decode('hex'), "m/0'/", "m/0'/%d"%i)
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account = BIP32_Account({ 'c':c0, 'K':K0, 'cK':cK0 })
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elif account_type == '2of2':
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master_c1, master_K1, _ = self.master_public_keys["m/1'/"]
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c1, K1, cK1 = bip32_public_derivation(master_c1.decode('hex'), master_K1.decode('hex'), "m/1'/", "m/1'/%d"%i)
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master_c2, master_K2, _ = self.master_public_keys["m/2'/"]
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c2, K2, cK2 = bip32_public_derivation(master_c2.decode('hex'), master_K2.decode('hex'), "m/2'/", "m/2'/%d"%i)
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account = BIP32_Account_2of2({ 'c':c1, 'K':K1, 'cK':cK1, 'c2':c2, 'K2':K2, 'cK2':cK2 })
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elif account_type == '2of3':
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master_c3, master_K3, _ = self.master_public_keys["m/3'/"]
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c3, K3, cK3 = bip32_public_derivation(master_c3.decode('hex'), master_K3.decode('hex'), "m/3'/", "m/3'/%d"%i)
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master_c4, master_K4, _ = self.master_public_keys["m/4'/"]
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c4, K4, cK4 = bip32_public_derivation(master_c4.decode('hex'), master_K4.decode('hex'), "m/4'/", "m/4'/%d"%i)
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master_c5, master_K5, _ = self.master_public_keys["m/5'/"]
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c5, K5, cK5 = bip32_public_derivation(master_c5.decode('hex'), master_K5.decode('hex'), "m/5'/", "m/5'/%d"%i)
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account = BIP32_Account_2of3({ 'c':c3, 'K':K3, 'cK':cK3, 'c2':c4, 'K2':K4, 'cK2':cK4, 'c3':c5, 'K3':K5, 'cK3':cK5 })
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return account_id, account
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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 create_account(self, account_type = '1of1', name = None):
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k, account = self.next_account(account_type)
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if k in self.pending_accounts:
|
|
self.pending_accounts.pop(k)
|
|
self.storage.put('pending_accounts', self.pending_accounts)
|
|
|
|
self.accounts[k] = account
|
|
self.save_accounts()
|
|
if name:
|
|
self.set_label(k, name)
|
|
|
|
|
|
def save_accounts(self):
|
|
d = {}
|
|
for k, v in self.accounts.items():
|
|
d[k] = v.dump()
|
|
self.storage.put('accounts', d, True)
|
|
|
|
|
|
|
|
def load_accounts(self):
|
|
d = self.storage.get('accounts', {})
|
|
self.accounts = {}
|
|
for k, v in d.items():
|
|
if k == 0:
|
|
v['mpk'] = self.storage.get('master_public_key')
|
|
self.accounts[k] = OldAccount(v)
|
|
elif '&' in k:
|
|
self.accounts[k] = BIP32_Account_2of2(v)
|
|
else:
|
|
self.accounts[k] = BIP32_Account(v)
|
|
|
|
self.pending_accounts = self.storage.get('pending_accounts',{})
|
|
|
|
|
|
def delete_pending_account(self, k):
|
|
self.pending_accounts.pop(k)
|
|
self.storage.put('pending_accounts', self.pending_accounts)
|
|
|
|
def account_is_pending(self, k):
|
|
return k in self.pending_accounts
|
|
|
|
def create_pending_account(self, acct_type, name):
|
|
k, addr = self.new_account_address(acct_type)
|
|
self.set_label(k, name)
|
|
self.pending_accounts[k] = addr
|
|
self.storage.put('pending_accounts', self.pending_accounts)
|
|
|
|
def get_pending_accounts(self):
|
|
return self.pending_accounts.items()
|
|
|
|
|
|
def addresses(self, include_change = True, _next=True):
|
|
o = self.get_account_addresses(-1, include_change)
|
|
for a in self.accounts.keys():
|
|
o += self.get_account_addresses(a, include_change)
|
|
|
|
if _next:
|
|
for addr in self.next_addresses.values():
|
|
if addr not in o:
|
|
o += [addr]
|
|
return o
|
|
|
|
|
|
def is_mine(self, address):
|
|
return address in self.addresses(True)
|
|
|
|
|
|
def is_change(self, address):
|
|
if not self.is_mine(address): return False
|
|
if address in self.imported_keys.keys(): return False
|
|
acct, s = self.get_address_index(address)
|
|
if s is None: return False
|
|
return s[0] == 1
|
|
|
|
def get_master_public_key(self):
|
|
c, K, cK = self.storage.get("master_public_keys")["m/0'/"]
|
|
return repr((c, K))
|
|
|
|
def get_master_private_key(self, account, password):
|
|
k = self.master_private_keys.get(account)
|
|
if not k: return
|
|
master_k = pw_decode( k, password)
|
|
master_c, master_K, master_Kc = self.master_public_keys[account]
|
|
try:
|
|
K, Kc = get_pubkeys_from_secret(master_k.decode('hex'))
|
|
assert K.encode('hex') == master_K
|
|
except Exception:
|
|
raise Exception("Invalid password")
|
|
return master_k
|
|
|
|
|
|
def get_address_index(self, address):
|
|
if address in self.imported_keys.keys():
|
|
return -1, None
|
|
|
|
for account in self.accounts.keys():
|
|
for for_change in [0,1]:
|
|
addresses = self.accounts[account].get_addresses(for_change)
|
|
for addr in addresses:
|
|
if address == addr:
|
|
return account, (for_change, addresses.index(addr))
|
|
|
|
for k,v in self.next_addresses.items():
|
|
if v == address:
|
|
return k, (0,0)
|
|
|
|
raise Exception("Address not found", address)
|
|
|
|
|
|
def getpubkeys(self, addr):
|
|
assert is_valid(addr) and self.is_mine(addr)
|
|
account, sequence = self.get_address_index(addr)
|
|
if account != -1:
|
|
a = self.accounts[account]
|
|
return a.get_pubkeys( sequence )
|
|
|
|
|
|
def get_roots(self, account):
|
|
roots = []
|
|
for a in account.split('&'):
|
|
s = a.strip()
|
|
m = re.match("(m/\d+'/)(\d+)", s)
|
|
roots.append( m.group(1) )
|
|
return roots
|
|
|
|
def is_seeded(self, account):
|
|
if type(account) is int:
|
|
return self.seed is not None
|
|
|
|
for root in self.get_roots(account):
|
|
if root not in self.master_private_keys.keys():
|
|
return False
|
|
return True
|
|
|
|
def rebase_sequence(self, account, sequence):
|
|
c, i = sequence
|
|
dd = []
|
|
for a in account.split('&'):
|
|
s = a.strip()
|
|
m = re.match("(m/\d+'/)(\d+)", s)
|
|
root = m.group(1)
|
|
num = int(m.group(2))
|
|
dd.append( (root, [num,c,i] ) )
|
|
return dd
|
|
|
|
|
|
def get_keyID(self, account, sequence):
|
|
if account == 0:
|
|
a, b = sequence
|
|
mpk = self.storage.get('master_public_key')
|
|
return 'old(%s,%d,%d)'%(mpk,a,b)
|
|
|
|
rs = self.rebase_sequence(account, sequence)
|
|
dd = []
|
|
for root, public_sequence in rs:
|
|
c, K, cK = self.master_public_keys[root]
|
|
s = '/' + '/'.join( map(lambda x:str(x), public_sequence) )
|
|
dd.append( 'bip32(%s,%s,%s)'%(c, cK, s) )
|
|
return '&'.join(dd)
|
|
|
|
|
|
def get_seed(self, password):
|
|
s = pw_decode(self.seed, password)
|
|
seed = mnemonic_to_seed(s,'').encode('hex')
|
|
return seed
|
|
|
|
|
|
def get_mnemonic(self, password):
|
|
return pw_decode(self.seed, password)
|
|
|
|
|
|
def get_private_key(self, address, password):
|
|
if self.is_watching_only():
|
|
return []
|
|
|
|
# first check the provided password
|
|
seed = self.get_seed(password)
|
|
|
|
out = []
|
|
if address in self.imported_keys.keys():
|
|
out.append( pw_decode( self.imported_keys[address], password ) )
|
|
else:
|
|
account, sequence = self.get_address_index(address)
|
|
if account == 0:
|
|
pk = self.accounts[account].get_private_key(seed, sequence)
|
|
out.append(pk)
|
|
return out
|
|
|
|
# assert address == self.accounts[account].get_address(*sequence)
|
|
rs = self.rebase_sequence( account, sequence)
|
|
for root, public_sequence in rs:
|
|
|
|
if root not in self.master_private_keys.keys(): continue
|
|
master_k = self.get_master_private_key(root, password)
|
|
master_c, _, _ = self.master_public_keys[root]
|
|
pk = bip32_private_key( public_sequence, master_k.decode('hex'), master_c.decode('hex'))
|
|
out.append(pk)
|
|
|
|
return out
|
|
|
|
|
|
def add_keypairs_from_wallet(self, tx, keypairs, password):
|
|
for txin in tx.inputs:
|
|
address = txin['address']
|
|
if not self.is_mine(address):
|
|
continue
|
|
private_keys = self.get_private_key(address, password)
|
|
for sec in private_keys:
|
|
pubkey = public_key_from_private_key(sec)
|
|
keypairs[ pubkey ] = sec
|
|
if address in self.imported_keys.keys():
|
|
txin['redeemPubkey'] = pubkey
|
|
|
|
|
|
def add_keypairs_from_KeyID(self, tx, keypairs, password):
|
|
# first check the provided password
|
|
seed = self.get_seed(password)
|
|
|
|
for txin in tx.inputs:
|
|
keyid = txin.get('KeyID')
|
|
if keyid:
|
|
roots = []
|
|
for s in keyid.split('&'):
|
|
m = re.match("bip32\(([0-9a-f]+),([0-9a-f]+),(/\d+/\d+/\d+)", s)
|
|
if not m: continue
|
|
c = m.group(1)
|
|
K = m.group(2)
|
|
sequence = m.group(3)
|
|
root = self.find_root_by_master_key(c,K)
|
|
if not root: continue
|
|
sequence = map(lambda x:int(x), sequence.strip('/').split('/'))
|
|
root = root + '%d'%sequence[0]
|
|
sequence = sequence[1:]
|
|
roots.append((root,sequence))
|
|
|
|
account_id = " & ".join( map(lambda x:x[0], roots) )
|
|
account = self.accounts.get(account_id)
|
|
if not account: continue
|
|
addr = account.get_address(*sequence)
|
|
txin['address'] = addr # fixme: side effect
|
|
pk = self.get_private_key(addr, password)
|
|
for sec in pk:
|
|
pubkey = public_key_from_private_key(sec)
|
|
keypairs[pubkey] = sec
|
|
|
|
|
|
|
|
def signrawtransaction(self, tx, input_info, private_keys, password):
|
|
|
|
# check that the password is correct
|
|
seed = self.get_seed(password)
|
|
|
|
# add input info
|
|
tx.add_input_info(input_info)
|
|
|
|
# add redeem script for coins that are in the wallet
|
|
# FIXME: add redeemPubkey too!
|
|
|
|
try:
|
|
unspent_coins = self.get_unspent_coins()
|
|
except:
|
|
# an exception may be raised is the wallet is not synchronized
|
|
unspent_coins = []
|
|
|
|
for txin in tx.inputs:
|
|
for item in unspent_coins:
|
|
if txin['prevout_hash'] == item['prevout_hash'] and txin['prevout_n'] == item['prevout_n']:
|
|
print_error( "tx input is in unspent coins" )
|
|
txin['scriptPubKey'] = item['scriptPubKey']
|
|
account, sequence = self.get_address_index(item['address'])
|
|
if account != -1:
|
|
txin['redeemScript'] = self.accounts[account].redeem_script(sequence)
|
|
print_error("added redeemScript", txin['redeemScript'])
|
|
break
|
|
|
|
|
|
# build a list of public/private keys
|
|
keypairs = {}
|
|
|
|
# add private keys from parameter
|
|
for sec in private_keys:
|
|
pubkey = public_key_from_private_key(sec)
|
|
keypairs[ pubkey ] = sec
|
|
|
|
# add private_keys from KeyID
|
|
self.add_keypairs_from_KeyID(tx, keypairs, password)
|
|
|
|
# add private keys from wallet
|
|
self.add_keypairs_from_wallet(tx, keypairs, password)
|
|
self.sign_transaction(tx, keypairs, password)
|
|
|
|
|
|
def sign_message(self, address, message, password):
|
|
keys = self.get_private_key(address, password)
|
|
assert len(keys) == 1
|
|
sec = keys[0]
|
|
key = regenerate_key(sec)
|
|
compressed = is_compressed(sec)
|
|
return key.sign_message(message, compressed, address)
|
|
|
|
|
|
|
|
def decrypt_message(self, pubkey, message, password):
|
|
address = public_key_to_bc_address(pubkey.decode('hex'))
|
|
keys = self.get_private_key(address, password)
|
|
secret = keys[0]
|
|
ec = regenerate_key(secret)
|
|
decrypted = ec.decrypt_message(message)
|
|
return decrypted[0]
|
|
|
|
|
|
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 address_is_old(self, address):
|
|
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 > 2
|
|
|
|
|
|
def synchronize_sequence(self, account, for_change):
|
|
limit = self.gap_limit_for_change if for_change else self.gap_limit
|
|
new_addresses = []
|
|
while True:
|
|
addresses = account.get_addresses(for_change)
|
|
if len(addresses) < limit:
|
|
address = account.create_new_address(for_change)
|
|
self.history[address] = []
|
|
new_addresses.append( address )
|
|
continue
|
|
|
|
if map( lambda a: self.address_is_old(a), addresses[-limit:] ) == limit*[False]:
|
|
break
|
|
else:
|
|
address = account.create_new_address(for_change)
|
|
self.history[address] = []
|
|
new_addresses.append( address )
|
|
|
|
return new_addresses
|
|
|
|
|
|
|
|
def create_pending_accounts(self):
|
|
for account_type in ['1of1','2of2','2of3']:
|
|
if not self.has_master_public_keys(account_type):
|
|
continue
|
|
k, a = self.new_account_address(account_type)
|
|
if self.address_is_old(a):
|
|
print_error( "creating account", a )
|
|
self.create_account(account_type)
|
|
self.next_addresses.pop(k)
|
|
|
|
|
|
def synchronize_account(self, account):
|
|
new = []
|
|
new += self.synchronize_sequence(account, 0)
|
|
new += self.synchronize_sequence(account, 1)
|
|
return new
|
|
|
|
|
|
def synchronize(self):
|
|
if self.master_public_keys:
|
|
self.create_pending_accounts()
|
|
new = []
|
|
for account in self.accounts.values():
|
|
new += self.synchronize_account(account)
|
|
if new:
|
|
self.save_accounts()
|
|
self.storage.put('addr_history', self.history, True)
|
|
return new
|
|
|
|
|
|
def is_found(self):
|
|
return self.history.values() != [[]] * len(self.history)
|
|
|
|
|
|
def add_contact(self, address, label=None):
|
|
self.addressbook.append(address)
|
|
self.storage.put('contacts', self.addressbook, True)
|
|
if label:
|
|
self.set_label(address, label)
|
|
|
|
|
|
def delete_contact(self, addr):
|
|
if addr in self.addressbook:
|
|
self.addressbook.remove(addr)
|
|
self.storage.put('addressbook', self.addressbook, True)
|
|
|
|
|
|
def fill_addressbook(self):
|
|
for tx_hash, tx in self.transactions.items():
|
|
is_relevant, is_send, _, _ = self.get_tx_value(tx)
|
|
if is_send:
|
|
for addr, v in tx.outputs:
|
|
if not self.is_mine(addr) and addr not in self.addressbook:
|
|
self.addressbook.append(addr)
|
|
# redo labels
|
|
# self.update_tx_labels()
|
|
|
|
def get_num_tx(self, address):
|
|
n = 0
|
|
for tx in self.transactions.values():
|
|
if address in map(lambda x:x[0], tx.outputs): n += 1
|
|
return n
|
|
|
|
|
|
def get_address_flags(self, addr):
|
|
flags = "C" if self.is_change(addr) else "I" if addr in self.imported_keys.keys() else "-"
|
|
flags += "F" if addr in self.frozen_addresses else "-"
|
|
return flags
|
|
|
|
|
|
def get_tx_value(self, tx, account=None):
|
|
domain = self.get_account_addresses(account)
|
|
return tx.get_value(domain, self.prevout_values)
|
|
|
|
|
|
def update_tx_outputs(self, tx_hash):
|
|
tx = self.transactions.get(tx_hash)
|
|
|
|
for i, (addr, value) in enumerate(tx.outputs):
|
|
key = tx_hash+ ':%d'%i
|
|
self.prevout_values[key] = value
|
|
|
|
for item in tx.inputs:
|
|
if self.is_mine(item.get('address')):
|
|
key = item['prevout_hash'] + ':%d'%item['prevout_n']
|
|
self.spent_outputs.append(key)
|
|
|
|
|
|
def get_addr_balance(self, address):
|
|
assert self.is_mine(address)
|
|
h = self.history.get(address,[])
|
|
if h == ['*']: return 0,0
|
|
c = u = 0
|
|
received_coins = [] # list of coins received at address
|
|
|
|
for tx_hash, tx_height in h:
|
|
tx = self.transactions.get(tx_hash)
|
|
if not tx: continue
|
|
|
|
for i, (addr, value) in enumerate(tx.outputs):
|
|
if addr == address:
|
|
key = tx_hash + ':%d'%i
|
|
received_coins.append(key)
|
|
|
|
for tx_hash, tx_height in h:
|
|
tx = self.transactions.get(tx_hash)
|
|
if not tx: continue
|
|
v = 0
|
|
|
|
for item in tx.inputs:
|
|
addr = item.get('address')
|
|
if addr == address:
|
|
key = item['prevout_hash'] + ':%d'%item['prevout_n']
|
|
value = self.prevout_values.get( key )
|
|
if key in received_coins:
|
|
v -= value
|
|
|
|
for i, (addr, value) in enumerate(tx.outputs):
|
|
key = tx_hash + ':%d'%i
|
|
if addr == address:
|
|
v += value
|
|
|
|
if tx_height:
|
|
c += v
|
|
else:
|
|
u += v
|
|
return c, u
|
|
|
|
|
|
def get_account_name(self, k):
|
|
default = "Unnamed account"
|
|
m = re.match("m/0'/(\d+)", k)
|
|
if m:
|
|
num = m.group(1)
|
|
if num == '0':
|
|
default = "Main account"
|
|
else:
|
|
default = "Account %s"%num
|
|
|
|
m = re.match("m/1'/(\d+) & m/2'/(\d+)", k)
|
|
if m:
|
|
num = m.group(1)
|
|
default = "2of2 account %s"%num
|
|
name = self.labels.get(k, default)
|
|
return name
|
|
|
|
|
|
def get_account_names(self):
|
|
accounts = {}
|
|
for k, account in self.accounts.items():
|
|
accounts[k] = self.get_account_name(k)
|
|
if self.imported_keys:
|
|
accounts[-1] = 'Imported keys'
|
|
return accounts
|
|
|
|
|
|
def get_account_addresses(self, a, include_change=True):
|
|
if a is None:
|
|
o = self.addresses(True)
|
|
elif a == -1:
|
|
o = self.imported_keys.keys()
|
|
else:
|
|
ac = self.accounts[a]
|
|
o = ac.get_addresses(0)
|
|
if include_change: o += ac.get_addresses(1)
|
|
return o
|
|
|
|
def get_imported_balance(self):
|
|
return self.get_balance(self.imported_keys.keys())
|
|
|
|
def get_account_balance(self, account):
|
|
return self.get_balance(self.get_account_addresses(account))
|
|
|
|
def get_frozen_balance(self):
|
|
return self.get_balance(self.frozen_addresses)
|
|
|
|
def get_balance(self, domain=None):
|
|
if domain is None: domain = self.addresses(True)
|
|
cc = uu = 0
|
|
for addr in domain:
|
|
c, u = self.get_addr_balance(addr)
|
|
cc += c
|
|
uu += u
|
|
return cc, uu
|
|
|
|
|
|
def get_unspent_coins(self, domain=None):
|
|
coins = []
|
|
if domain is None: domain = self.addresses(True)
|
|
for addr in domain:
|
|
h = self.history.get(addr, [])
|
|
if h == ['*']: continue
|
|
for tx_hash, tx_height in h:
|
|
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 o in tx.d.get('outputs'):
|
|
output = o.copy()
|
|
if output.get('address') != addr: continue
|
|
key = tx_hash + ":%d" % output.get('prevout_n')
|
|
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 [x[1] for x in coins]
|
|
|
|
|
|
def choose_tx_inputs( self, amount, fixed_fee, num_outputs, domain = None ):
|
|
""" todo: minimize tx size """
|
|
total = 0
|
|
fee = self.fee if fixed_fee is None else fixed_fee
|
|
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)
|
|
inputs = []
|
|
|
|
for item in coins:
|
|
if item.get('coinbase') and item.get('height') + COINBASE_MATURITY > self.network.get_local_height():
|
|
continue
|
|
addr = item.get('address')
|
|
v = item.get('value')
|
|
total += v
|
|
inputs.append(item)
|
|
fee = self.estimated_fee(inputs, num_outputs) if fixed_fee is None else fixed_fee
|
|
if total >= amount + fee: break
|
|
else:
|
|
inputs = []
|
|
|
|
return inputs, total, fee
|
|
|
|
|
|
def set_fee(self, fee):
|
|
if self.fee != fee:
|
|
self.fee = fee
|
|
self.storage.put('fee_per_kb', self.fee, True)
|
|
|
|
def estimated_fee(self, inputs, num_outputs):
|
|
estimated_size = len(inputs) * 180 + num_outputs * 34 # this assumes non-compressed keys
|
|
fee = self.fee * int(math.ceil(estimated_size/1000.))
|
|
return fee
|
|
|
|
|
|
def add_tx_change( self, inputs, outputs, amount, fee, total, change_addr=None):
|
|
"add change to a transaction"
|
|
change_amount = total - ( amount + fee )
|
|
if change_amount > DUST_THRESHOLD:
|
|
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 == -1:
|
|
change_addr = inputs[-1]['address']
|
|
else:
|
|
change_addr = self.accounts[account].get_addresses(1)[-self.gap_limit_for_change]
|
|
|
|
# Insert the change output at a random position in the outputs
|
|
posn = random.randint(0, len(outputs))
|
|
outputs[posn:posn] = [( change_addr, change_amount)]
|
|
return outputs
|
|
|
|
|
|
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_extra_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.interface.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 in tx.outputs:
|
|
o_addr, _ = o
|
|
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)'
|
|
else:
|
|
for o in tx.outputs:
|
|
o_addr, _ = o
|
|
if self.is_mine(o_addr) and not self.is_change(o_addr):
|
|
break
|
|
else:
|
|
for o in tx.outputs:
|
|
o_addr, _ = o
|
|
if self.is_mine(o_addr):
|
|
break
|
|
else:
|
|
o_addr = None
|
|
|
|
if o_addr:
|
|
dest_label = self.labels.get(o_addr)
|
|
try:
|
|
default_label = self.labels[o_addr]
|
|
except KeyError:
|
|
default_label = '<' + o_addr
|
|
|
|
return default_label
|
|
|
|
|
|
def make_unsigned_transaction(self, outputs, fee=None, change_addr=None, domain=None ):
|
|
for address, x in outputs:
|
|
assert is_valid(address), "Address " + address + " is invalid!"
|
|
amount = sum( map(lambda x:x[1], outputs) )
|
|
inputs, total, fee = self.choose_tx_inputs( amount, fee, len(outputs), domain )
|
|
if not inputs:
|
|
raise ValueError("Not enough funds")
|
|
self.add_input_info(inputs)
|
|
outputs = self.add_tx_change(inputs, outputs, amount, fee, total, change_addr)
|
|
return Transaction.from_io(inputs, outputs)
|
|
|
|
|
|
def mktx(self, outputs, password, fee=None, change_addr=None, domain= None ):
|
|
tx = self.make_unsigned_transaction(outputs, fee, change_addr, domain)
|
|
keypairs = {}
|
|
self.add_keypairs_from_wallet(tx, keypairs, password)
|
|
if keypairs:
|
|
self.sign_transaction(tx, keypairs, password)
|
|
return tx
|
|
|
|
|
|
def add_input_info(self, inputs):
|
|
for txin in inputs:
|
|
address = txin['address']
|
|
if address in self.imported_keys.keys():
|
|
continue
|
|
account, sequence = self.get_address_index(address)
|
|
txin['KeyID'] = self.get_keyID(account, sequence)
|
|
redeemScript = self.accounts[account].redeem_script(sequence)
|
|
if redeemScript:
|
|
txin['redeemScript'] = redeemScript
|
|
else:
|
|
txin['redeemPubkey'] = self.accounts[account].get_pubkey(*sequence)
|
|
|
|
|
|
def sign_transaction(self, tx, keypairs, password):
|
|
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.interface.send([('blockchain.transaction.broadcast', [str(tx)])], self.on_broadcast)
|
|
return tx.hash()
|
|
|
|
def on_broadcast(self, i, 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
|
|
decoded = self.get_seed(old_password)
|
|
self.seed = pw_encode( decoded, new_password)
|
|
self.storage.put('seed', self.seed, True)
|
|
self.use_encryption = (new_password != None)
|
|
self.storage.put('use_encryption', self.use_encryption,True)
|
|
for k in self.imported_keys.keys():
|
|
a = self.imported_keys[k]
|
|
b = pw_decode(a, old_password)
|
|
c = pw_encode(b, new_password)
|
|
self.imported_keys[k] = c
|
|
self.storage.put('imported_keys', self.imported_keys, True)
|
|
|
|
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)
|
|
|
|
|
|
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, _v in tx.outputs:
|
|
# 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, 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\n%s %.1f"%(
|
|
_("Please wait..."),
|
|
_("Addresses generated:"),
|
|
len(self.addresses(True)),
|
|
_("Kilobytes received:"),
|
|
self.network.interface.bytes_received/1024.)
|
|
|
|
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()
|
|
|
|
|
|
|
|
|
|
class WalletSynchronizer(threading.Thread):
|
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def __init__(self, wallet, network):
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threading.Thread.__init__(self)
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self.daemon = True
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self.wallet = wallet
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self.network = network
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self.was_updated = True
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self.running = False
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self.lock = threading.Lock()
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self.queue = Queue.Queue()
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def stop(self):
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with self.lock: self.running = False
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def is_running(self):
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with self.lock: return self.running
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def subscribe_to_addresses(self, addresses):
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messages = []
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for addr in addresses:
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messages.append(('blockchain.address.subscribe', [addr]))
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self.network.subscribe( messages, lambda i,r: self.queue.put(r))
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def run(self):
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with self.lock:
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self.running = True
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while self.is_running():
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if not self.network.is_connected():
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self.network.wait_until_connected()
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self.run_interface()
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def run_interface(self):
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print_error("synchronizer: connected to", self.network.main_server())
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requested_tx = []
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missing_tx = []
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requested_histories = {}
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# request any missing transactions
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for history in self.wallet.history.values():
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if history == ['*']: continue
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for tx_hash, tx_height in history:
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if self.wallet.transactions.get(tx_hash) is None and (tx_hash, tx_height) not in missing_tx:
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missing_tx.append( (tx_hash, tx_height) )
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if missing_tx:
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print_error("missing tx", missing_tx)
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# subscriptions
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self.subscribe_to_addresses(self.wallet.addresses(True))
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while self.is_running():
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# 1. create new addresses
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new_addresses = self.wallet.synchronize()
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# request missing addresses
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if new_addresses:
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self.subscribe_to_addresses(new_addresses)
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# request missing transactions
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for tx_hash, tx_height in missing_tx:
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if (tx_hash, tx_height) not in requested_tx:
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self.network.send([ ('blockchain.transaction.get',[tx_hash, tx_height]) ], lambda i,r: self.queue.put(r))
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requested_tx.append( (tx_hash, tx_height) )
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missing_tx = []
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# detect if situation has changed
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if self.network.is_up_to_date() and self.queue.empty():
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if not self.wallet.is_up_to_date():
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self.wallet.set_up_to_date(True)
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self.was_updated = True
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else:
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if self.wallet.is_up_to_date():
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self.wallet.set_up_to_date(False)
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self.was_updated = True
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if self.was_updated:
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self.network.trigger_callback('updated')
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self.was_updated = False
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# 2. get a response
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try:
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r = self.queue.get(block=True, timeout=1)
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except Queue.Empty:
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continue
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# see if it changed
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#if interface != self.network.interface:
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# break
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if not r:
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continue
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# 3. handle response
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method = r['method']
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params = r['params']
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result = r.get('result')
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error = r.get('error')
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if error:
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print "error", r
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continue
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if method == 'blockchain.address.subscribe':
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addr = params[0]
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if self.wallet.get_status(self.wallet.get_history(addr)) != result:
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if requested_histories.get(addr) is None:
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self.network.send([('blockchain.address.get_history', [addr])], lambda i,r:self.queue.put(r))
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requested_histories[addr] = result
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elif method == 'blockchain.address.get_history':
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addr = params[0]
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print_error("receiving history", addr, result)
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if result == ['*']:
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assert requested_histories.pop(addr) == '*'
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self.wallet.receive_history_callback(addr, result)
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else:
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hist = []
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# check that txids are unique
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txids = []
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for item in result:
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tx_hash = item['tx_hash']
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if tx_hash not in txids:
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txids.append(tx_hash)
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hist.append( (tx_hash, item['height']) )
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if len(hist) != len(result):
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raise Exception("error: server sent history with non-unique txid", result)
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# check that the status corresponds to what was announced
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rs = requested_histories.pop(addr)
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if self.wallet.get_status(hist) != rs:
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raise Exception("error: status mismatch: %s"%addr)
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# store received history
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self.wallet.receive_history_callback(addr, hist)
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# request transactions that we don't have
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for tx_hash, tx_height in hist:
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if self.wallet.transactions.get(tx_hash) is None:
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if (tx_hash, tx_height) not in requested_tx and (tx_hash, tx_height) not in missing_tx:
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missing_tx.append( (tx_hash, tx_height) )
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elif method == 'blockchain.transaction.get':
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tx_hash = params[0]
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tx_height = params[1]
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assert tx_hash == hash_encode(Hash(result.decode('hex')))
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tx = Transaction(result)
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self.wallet.receive_tx_callback(tx_hash, tx, tx_height)
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self.was_updated = True
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requested_tx.remove( (tx_hash, tx_height) )
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print_error("received tx:", tx_hash, len(tx.raw))
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else:
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print_error("Error: Unknown message:" + method + ", " + repr(params) + ", " + repr(result) )
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if self.was_updated and not requested_tx:
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self.network.trigger_callback('updated')
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# Updated gets called too many times from other places as well; if we use that signal we get the notification three times
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self.network.trigger_callback("new_transaction")
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self.was_updated = False
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class OldWallet(NewWallet):
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def init_seed(self, seed):
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import mnemonic
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if self.seed:
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raise Exception("a seed exists")
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if not seed:
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seed = random_seed(128)
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self.seed_version = OLD_SEED_VERSION
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# see if seed was entered as hex
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seed = seed.strip()
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try:
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assert seed
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seed.decode('hex')
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self.seed = str(seed)
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return
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except Exception:
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pass
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words = seed.split()
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try:
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mnemonic.mn_decode(words)
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except Exception:
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raise
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self.seed = mnemonic.mn_decode(words)
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if not self.seed:
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raise Exception("Invalid seed")
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def get_master_public_key(self):
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return self.storage.get("master_public_key")
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def create_accounts(self, password):
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seed = pw_decode(self.seed, password)
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mpk = OldAccount.mpk_from_seed(seed)
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self.create_account(mpk)
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def create_account(self, mpk):
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self.storage.put('master_public_key', mpk, True)
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self.accounts[0] = OldAccount({'mpk':mpk, 0:[], 1:[]})
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self.save_accounts()
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def create_watching_only_wallet(self, K0):
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self.seed_version = OLD_SEED_VERSION
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self.storage.put('seed_version', self.seed_version, True)
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self.create_account(K0)
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def get_seed(self, password):
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seed = pw_decode(self.seed, password)
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self.accounts[0].check_seed(seed)
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return seed
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def get_mnemonic(self, password):
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import mnemonic
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s = pw_decode(self.seed, password)
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return ' '.join(mnemonic.mn_encode(s))
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def add_keypairs_from_KeyID(self, tx, keypairs, password):
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# first check the provided password
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seed = self.get_seed(password)
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for txin in tx.inputs:
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keyid = txin.get('KeyID')
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if keyid:
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m = re.match("old\(([0-9a-f]+),(\d+),(\d+)", keyid)
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if not m: continue
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mpk = m.group(1)
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if mpk != self.storage.get('master_public_key'): continue
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for_change = int(m.group(2))
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num = int(m.group(3))
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account = self.accounts[0]
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addr = account.get_address(for_change, num)
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txin['address'] = addr # fixme: side effect
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pk = account.get_private_key(seed, (for_change, num))
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pubkey = public_key_from_private_key(pk)
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keypairs[pubkey] = pk
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def get_account_name(self, k):
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assert k == 0
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return 'Main account'
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# former WalletFactory
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class Wallet(object):
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def __new__(self, storage):
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config = storage.config
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if config.get('bitkey', False):
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# if user requested support for Bitkey device,
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# import Bitkey driver
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from wallet_bitkey import WalletBitkey
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return WalletBitkey(config)
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if not storage.file_exists:
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seed_version = NEW_SEED_VERSION if config.get('bip32') is True else OLD_SEED_VERSION
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else:
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seed_version = storage.get('seed_version')
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if not seed_version:
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seed_version = OLD_SEED_VERSION if len(storage.get('master_public_key')) == 128 else NEW_SEED_VERSION
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if seed_version == OLD_SEED_VERSION:
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return OldWallet(storage)
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elif seed_version == NEW_SEED_VERSION:
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return NewWallet(storage)
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else:
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msg = "This wallet seed is not supported."
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if seed_version in [5]:
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msg += "\nTo open this wallet, try 'git checkout seed_v%d'"%seed_version
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print msg
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sys.exit(1)
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@classmethod
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def from_seed(self, seed, storage):
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import mnemonic
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if not seed:
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return
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words = seed.strip().split()
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try:
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mnemonic.mn_decode(words)
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uses_electrum_words = True
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except Exception:
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uses_electrum_words = False
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try:
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seed.decode('hex')
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is_hex = True
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except Exception:
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is_hex = False
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if is_hex or (uses_electrum_words and len(words) != 13):
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#print "old style wallet", len(words), words
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w = OldWallet(storage)
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w.init_seed(seed) #hex
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else:
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#assert is_seed(seed)
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w = NewWallet(storage)
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w.init_seed(seed)
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return w
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@classmethod
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def from_mpk(self, s, storage):
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try:
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mpk, chain = s.split(':')
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except:
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mpk = s
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chain = False
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if chain:
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w = NewWallet(storage)
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w.create_watching_only_wallet(mpk, chain)
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else:
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w = OldWallet(storage)
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w.seed = ''
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w.create_watching_only_wallet(mpk)
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return w
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