# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys
-import base64
import os
-import re
import hashlib
-import copy
-import operator
import ast
import threading
import random
-import aes
-import Queue
import time
import math
-from util import print_msg, print_error, format_satoshis
+from util import print_msg, print_error
+
from bitcoin import *
from account import *
+from version import *
+
from transaction import Transaction
from plugins import run_hook
import bitcoin
-from version import *
-
-
class WalletStorage:
def __init__(self, config):
def get(self, key, default=None):
v = self.data.get(key)
- if v is None:
+ if v is None:
v = default
return v
with self.lock:
if value is not None:
self.data[key] = value
- else:
+ elif key in self.data:
self.data.pop(key)
- if save:
+ if save:
self.write()
def write(self):
os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)
-
-
-
-
-
class Abstract_Wallet:
+ """
+ Wallet classes are created to handle various address generation methods.
+ Completion states (watching-only, single account, no seed, etc) are handled inside classes.
+ """
def __init__(self, storage):
-
self.storage = storage
self.electrum_version = ELECTRUM_VERSION
self.gap_limit_for_change = 3 # constant
self.transactions = {}
tx_list = self.storage.get('transactions',{})
- for k,v in tx_list.items():
+ for k, raw in tx_list.items():
try:
- tx = Transaction(v)
+ tx = Transaction.deserialize(raw)
except Exception:
print_msg("Warning: Cannot deserialize transactions. skipping")
continue
- self.add_extra_addresses(tx)
+ self.add_pubkey_addresses(tx)
self.transactions[k] = tx
for h,tx in self.transactions.items():
self.transactions.pop(h)
+
# not saved
self.prevout_values = {} # my own transaction outputs
self.spent_outputs = []
# there is a difference between wallet.up_to_date and interface.is_up_to_date()
# interface.is_up_to_date() returns true when all requests have been answered and processed
# wallet.up_to_date is true when the wallet is synchronized (stronger requirement)
-
+
self.up_to_date = False
self.lock = threading.Lock()
self.transaction_lock = threading.Lock()
self.tx_event = threading.Event()
-
for tx_hash, tx in self.transactions.items():
self.update_tx_outputs(tx_hash)
-
- def add_extra_addresses(self, tx):
- h = tx.hash()
+ def add_pubkey_addresses(self, tx):
# find the address corresponding to pay-to-pubkey inputs
- tx.add_extra_addresses(self.transactions)
- for o in tx.d.get('outputs'):
- if o.get('is_pubkey'):
- for tx2 in self.transactions.values():
- tx2.add_extra_addresses({h:tx})
+ h = tx.hash()
+ # inputs
+ tx.add_pubkey_addresses(self.transactions)
+
+ # outputs of tx: inputs of tx2
+ for x, v in tx.outputs:
+ if x.startswith('pubkey:'):
+ for tx2 in self.transactions.values():
+ tx2.add_pubkey_addresses({h:tx})
def get_action(self):
pass
+ def convert_imported_keys(self, password):
+ for k, v in self.imported_keys.items():
+ sec = pw_decode(v, password)
+ pubkey = public_key_from_private_key(sec)
+ address = public_key_to_bc_address(pubkey.decode('hex'))
+ assert address == k
+ self.import_key(sec, password)
+ self.imported_keys.pop(k)
+ self.storage.put('imported_keys', self.imported_keys)
+
def load_accounts(self):
self.accounts = {}
self.imported_keys = self.storage.get('imported_keys',{})
- if self.imported_keys:
- print_error("cannot load imported keys")
d = self.storage.get('accounts', {})
for k, v in d.items():
else:
print_error("cannot load account", v)
-
def synchronize(self):
pass
def is_up_to_date(self):
with self.lock: return self.up_to_date
-
def update(self):
self.up_to_date = False
- while not self.is_up_to_date():
+ while not self.is_up_to_date():
time.sleep(0.1)
def is_imported(self, addr):
account = self.accounts.get(IMPORTED_ACCOUNT)
- if account:
+ if account:
return addr in account.get_addresses(0)
else:
return False
+ def has_imported_keys(self):
+ account = self.accounts.get(IMPORTED_ACCOUNT)
+ return account is not None
+
def import_key(self, sec, password):
try:
pubkey = public_key_from_private_key(sec)
if self.is_mine(address):
raise Exception('Address already in wallet')
-
+
if self.accounts.get(IMPORTED_ACCOUNT) is None:
self.accounts[IMPORTED_ACCOUNT] = ImportedAccount({'imported':{}})
self.accounts[IMPORTED_ACCOUNT].add(address, pubkey, sec, password)
self.save_accounts()
-
+
if self.synchronizer:
self.synchronizer.subscribe_to_addresses([address])
return address
-
def delete_imported_key(self, addr):
account = self.accounts[IMPORTED_ACCOUNT]
self.accounts.pop(IMPORTED_ACCOUNT)
self.save_accounts()
-
def set_label(self, name, text = None):
changed = False
old_text = self.labels.get(name)
run_hook('set_label', name, text, changed)
return changed
-
-
-
def addresses(self, include_change = True, _next=True):
o = []
for a in self.accounts.keys():
o += [addr]
return o
-
def is_mine(self, address):
- return address in self.addresses(True)
-
+ return address in self.addresses(True)
def is_change(self, address):
if not self.is_mine(address): return False
if s is None: return False
return s[0] == 1
-
def get_address_index(self, address):
for account in self.accounts.keys():
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)
- a = self.accounts[account]
- return a.get_pubkeys( sequence )
-
-
def get_private_key(self, address, password):
if self.is_watching_only():
return []
account_id, sequence = self.get_address_index(address)
return self.accounts[account_id].get_private_key(sequence, self, password)
-
def get_public_keys(self, address):
account_id, sequence = self.get_address_index(address)
return self.accounts[account_id].get_pubkeys(sequence)
+ def can_sign(self, tx):
- 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 self.is_watching_only():
+ return False
- def add_keypairs_from_KeyID(self, tx, keypairs, password):
- # first check the provided password
- seed = self.get_seed(password)
+ if tx.is_complete():
+ return False
- for txin in tx.inputs:
- keyid = txin.get('KeyID')
- if keyid:
- roots = []
- for s in keyid.split('&'):
- m = re.match("bip32\((.*),(/\d+/\d+)\)", s)
- if not m: continue
- xpub = m.group(1)
- sequence = m.group(2)
- root = self.find_root_by_master_key(xpub)
- 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
+ addr_list, xpub_list = tx.inputs_to_sign()
+ for addr in addr_list:
+ if self.is_mine(addr):
+ return True
+ mpk = [ self.master_public_keys[k] for k in self.master_private_keys.keys() ]
+ for xpub, sequence in xpub_list:
+ if xpub in mpk:
+ return True
+ return False
- def signrawtransaction(self, tx, input_info, private_keys, password):
+ def add_keypairs(self, tx, keypairs, password):
+ # first check the provided password. This will raise if invalid.
+ self.check_password(password)
- # check that the password is correct
- seed = self.get_seed(password)
+ addr_list, xpub_list = tx.inputs_to_sign()
+ for addr in addr_list:
+ if self.is_mine(addr):
+ private_keys = self.get_private_key(addr, password)
+ for sec in private_keys:
+ pubkey = public_key_from_private_key(sec)
+ keypairs[ pubkey ] = sec
- # if input_info is not known, build it using wallet UTXOs
- if not input_info:
- input_info = []
- unspent_coins = self.get_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']:
- info = { 'address':item['address'], 'scriptPubKey':item['scriptPubKey'] }
- self.add_input_info(info)
- input_info.append(info)
- break
- else:
- print_error( "input not in UTXOs" )
- input_info.append(None)
+ for xpub, sequence in xpub_list:
+ # look for account that can sign
+ for k, account in self.accounts.items():
+ if xpub in account.get_master_pubkeys():
+ break
+ else:
+ continue
+ pk = account.get_private_key(sequence, self, password)
+ for sec in pk:
+ pubkey = public_key_from_private_key(sec)
+ keypairs[pubkey] = sec
- # add input_info to the transaction
- print_error("input_info", input_info)
- tx.add_input_info(input_info)
+ def signrawtransaction(self, tx, private_keys, password):
+ # check that the password is correct. This will raise if it's not.
+ self.get_seed(password)
# build a list of public/private keys
keypairs = {}
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)
+ # add private_keys
+ self.add_keypairs(tx, keypairs, password)
+
# sign the transaction
self.sign_transaction(tx, keypairs, password)
-
def sign_message(self, address, message, password):
keys = self.get_private_key(address, password)
assert len(keys) == 1
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]
-
-
+ return decrypted
def is_found(self):
- return self.history.values() != [[]] * len(self.history)
-
+ 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:
+ 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:
+ for addr in tx.get_output_addresses():
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
+ n = 0
for tx in self.transactions.values():
- if address in map(lambda x:x[0], tx.outputs): n += 1
+ if address in tx.get_output_addresses(): 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 = "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):
+ for i, (addr, value) in enumerate(tx.get_outputs()):
key = tx_hash+ ':%d'%i
self.prevout_values[key] = value
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,[])
tx = self.transactions.get(tx_hash)
if not tx: continue
- for i, (addr, value) in enumerate(tx.outputs):
+ for i, (addr, value) in enumerate(tx.get_outputs()):
if addr == address:
key = tx_hash + ':%d'%i
received_coins.append(key)
if addr == address:
key = item['prevout_hash'] + ':%d'%item['prevout_n']
value = self.prevout_values.get( key )
- if key in received_coins:
+ if key in received_coins:
v -= value
- for i, (addr, value) in enumerate(tx.outputs):
+ for i, (addr, value) in enumerate(tx.get_outputs()):
key = tx_hash + ':%d'%i
if addr == address:
v += value
u += v
return c, u
-
def get_account_name(self, k):
return self.labels.get(k, self.accounts[k].get_name(k))
-
def get_account_names(self):
account_names = {}
for k in self.accounts.keys():
account_names[k] = self.get_account_name(k)
return account_names
-
def get_account_addresses(self, a, include_change=True):
if a is None:
- o = self.addresses(True)
+ o = self.addresses(include_change)
elif a in self.accounts:
ac = self.accounts[a]
o = ac.get_addresses(0)
if include_change: o += ac.get_addresses(1)
return o
-
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
uu += u
return cc, uu
-
def get_unspent_coins(self, domain=None):
coins = []
if domain is None: domain = self.addresses(True)
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')
+ 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
if coins:
coins = sorted(coins)
if coins[-1][0] != 0:
- while coins[0][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 ):
+ def choose_tx_inputs( self, amount, fixed_fee, num_outputs, domain = None, coins = 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)
+ 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)
- 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)
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 )
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 += 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)
+ 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)
self.transactions[tx_hash] = tx
self.network.pending_transactions_for_notifications.append(tx)
self.save_transactions()
- if self.verifier and tx_height>0:
+ 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():
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)
# 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 []
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)
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
+ for o_addr in tx.get_output_addresses():
if not self.is_mine(o_addr):
try:
default_label = self.labels[o_addr]
else:
default_label = '(internal)'
else:
- for o in tx.outputs:
- o_addr, _ = o
+ 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 in tx.outputs:
- o_addr, _ = o
+ for o_addr in tx.get_output_addresses():
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:
return default_label
-
- def make_unsigned_transaction(self, outputs, fee=None, change_addr=None, domain=None ):
+ def make_unsigned_transaction(self, outputs, fee=None, change_addr=None, domain=None, coins=None ):
for address, x in outputs:
- assert is_valid(address), "Address " + address + " is invalid!"
+ if address.startswith('OP_RETURN:'):
+ continue
+ assert is_address(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 )
+ inputs, total, fee = self.choose_tx_inputs( amount, fee, len(outputs), domain, coins )
if not inputs:
raise ValueError("Not enough funds")
for txin in inputs:
self.add_input_info(txin)
outputs = self.add_tx_change(inputs, outputs, amount, fee, total, change_addr)
- return Transaction.from_io(inputs, outputs)
+ return Transaction(inputs, outputs)
-
- def mktx(self, outputs, password, fee=None, change_addr=None, domain= None ):
- tx = self.make_unsigned_transaction(outputs, fee, change_addr, domain)
+ 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)
keypairs = {}
- self.add_keypairs_from_wallet(tx, keypairs, password)
+ self.add_keypairs(tx, keypairs, password)
if keypairs:
self.sign_transaction(tx, keypairs, 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]
- txin['KeyID'] = account.get_keyID(sequence)
- redeemScript = account.redeem_script(sequence)
- if redeemScript:
+ 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, keypairs, password):
tx.sign(keypairs)
run_hook('sign_transaction', tx, password)
-
def sendtx(self, tx):
# synchronous
h = self.send_tx(tx)
self.tx_event.set()
def receive_tx(self, tx_hash, tx):
- out = self.tx_result
+ 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 == '':
+ if new_password == '':
new_password = None
if self.has_seed():
self.storage.put('seed', self.seed, True)
imported_account = self.accounts.get(IMPORTED_ACCOUNT)
- if imported_account:
+ if imported_account:
imported_account.update_password(old_password, new_password)
self.save_accounts()
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)
else:
return False
-
def unfreeze(self,addr):
if self.is_mine(addr) and addr in self.frozen_addresses:
self.frozen_addresses.remove(addr)
else:
return False
-
def set_verifier(self, verifier):
self.verifier = verifier
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)
# tx might not be there
if not tx: continue
-
+
# already verified?
if self.verifier.get_height(tx_hash):
continue
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:
+ for _addr in tx.get_output_addresses():
# assert not self.is_mine(_addr)
ext_requests.append( ('blockchain.address.get_history', [_addr]) )
return True
-
def check_new_tx(self, tx_hash, tx):
- # 1 check that tx is referenced in addr_history.
+ # 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:
+ if txh == tx_hash:
addresses.append(addr)
if not addresses:
return True
-
def start_threads(self, network):
from verifier import TxVerifier
self.network = network
def can_import(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
+
class Imported_Wallet(Abstract_Wallet):
a = self.accounts.get(IMPORTED_ACCOUNT)
if not a:
self.accounts[IMPORTED_ACCOUNT] = ImportedAccount({'imported':{}})
-
+ self.storage.put('wallet_type', 'imported', True)
def is_watching_only(self):
acc = self.accounts[IMPORTED_ACCOUNT]
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):
return not self.has_seed()
def add_seed(self, seed, password):
- if self.seed:
+ if self.seed:
raise Exception("a seed exists")
-
+
self.seed_version, self.seed = self.prepare_seed(seed)
- if password:
+ if password:
self.seed = pw_encode( self.seed, password)
self.use_encryption = True
else:
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
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 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.history[address] = []
+ if self.synchronizer:
+ self.synchronizer.add(address)
+ self.save_accounts()
+ return address
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 )
+ self.create_new_address(account, for_change)
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
-
+ self.create_new_address(account, for_change)
def check_pending_accounts(self):
for account_id, addr in self.next_addresses.items():
self.add_account(account_id, account)
self.next_addresses.pop(account_id)
-
def synchronize_account(self, account):
- new = []
- new += self.synchronize_sequence(account, 0)
- new += self.synchronize_sequence(account, 1)
- return new
-
+ self.synchronize_sequence(account, 0)
+ self.synchronize_sequence(account, 1)
def synchronize(self):
self.check_pending_accounts()
- new = []
for account in self.accounts.values():
if type(account) in [ImportedAccount, PendingAccount]:
continue
- new += self.synchronize_account(account)
- if new:
- self.save_accounts()
- self.storage.put('addr_history', self.history, True)
- return new
-
+ self.synchronize_account(account)
def restore(self, callback):
from i18n import _
msg = "%s\n%s %d\n%s %.1f"%(
_("Please wait..."),
_("Addresses generated:"),
- len(self.addresses(True)),
- _("Kilobytes received:"),
+ len(self.addresses(True)),
+ _("Kilobytes received:"),
self.network.interface.bytes_received/1024.)
apply(callback, (msg,))
wait_for_wallet()
else:
self.synchronize()
-
self.fill_addressbook()
-
def create_account(self, name, password):
i = self.num_accounts()
account_id = self.account_id(i)
self.accounts[account_id] = account
self.save_accounts()
-
-
def account_is_pending(self, k):
return type(self.accounts.get(k)) == PendingAccount
self.accounts[account_id] = PendingAccount({'pending':addr})
self.save_accounts()
+ 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.address_is_old(addr):
+ return False
+ return True
+ def get_action(self):
+ if not self.master_public_keys:
+ return 'create_seed'
+ if not self.accounts:
+ return 'create_accounts'
class NewWallet(Deterministic_Wallet):
def __init__(self, storage):
Deterministic_Wallet.__init__(self, storage)
+ def default_account(self):
+ return self.accounts["m/0'"]
+
+ def is_watching_only(self):
+ return not bool(self.master_private_keys)
+
def can_create_accounts(self):
- return not self.is_watching_only()
+ return 'm/' in self.master_private_keys.keys()
def get_master_public_key(self):
- return self.master_public_keys["m/"]
+ """xpub of the main account"""
+ return self.master_public_keys.get("m/0'")
def get_master_public_keys(self):
out = {}
xpub = self.master_public_keys["m/"]
assert deserialize_xkey(xpriv)[3] == deserialize_xkey(xpub)[3]
- def create_watching_only_wallet(self, xpub):
- self.storage.put('seed_version', self.seed_version, True)
- self.add_master_public_key("m/", xpub)
+ def create_xprv_wallet(self, xprv, password):
+ xpub = bitcoin.xpub_from_xprv(xprv)
account = BIP32_Account({'xpub':xpub})
- self.add_account("m/", account)
+ account_id = 'm/' + bitcoin.get_xkey_name(xpub)
+ self.storage.put('seed_version', self.seed_version, True)
+ self.add_master_private_key(account_id, xprv, password)
+ self.add_master_public_key(account_id, xpub)
+ self.add_account(account_id, account)
+ def create_watching_only_wallet(self, xpub):
+ account = BIP32_Account({'xpub':xpub})
+ account_id = 'm/' + bitcoin.get_xkey_name(xpub)
+ self.storage.put('seed_version', self.seed_version, True)
+ self.add_master_public_key(account_id, xpub)
+ self.add_account(account_id, account)
def create_accounts(self, password):
- seed = pw_decode(self.seed, password)
+ # First check the password is valid (this raises if it isn't).
+ if not self.is_watching_only():
+ self.check_password(password)
self.create_account('Main account', password)
-
- def add_master_public_key(self, name, mpk):
- self.master_public_keys[name] = mpk
+ def add_master_public_key(self, name, xpub):
+ 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 add_master_keys(self, root, account_id, password):
x = self.master_private_keys.get(root)
- if x:
+ if x:
master_xpriv = pw_decode(x, password )
xpriv, xpub = bip32_private_derivation(master_xpriv, root, account_id)
self.add_master_public_key(account_id, xpub)
self.add_master_public_key(account_id, xpub)
return xpub
-
def create_master_keys(self, password):
xpriv, xpub = bip32_root(mnemonic_to_seed(self.get_seed(password),'').encode('hex'))
self.add_master_public_key("m/", xpub)
self.add_master_private_key("m/", xpriv, password)
-
def find_root_by_master_key(self, xpub):
for key, xpub2 in self.master_public_keys.items():
if key == "m/":continue
if xpub == xpub2:
return key
-
def num_accounts(self):
keys = []
for k, v in self.accounts.items():
i += 1
return i
-
def next_account_address(self, password):
i = self.num_accounts()
account_id = self.account_id(i)
addr = self.next_addresses.get(account_id)
- if not addr:
+ if not addr:
account = self.make_account(account_id, password)
addr = account.first_address()
self.next_addresses[account_id] = addr
account = BIP32_Account({'xpub':xpub})
return account
-
def make_seed(self):
import mnemonic, ecdsa
entropy = ecdsa.util.randrange( pow(2,160) )
ss = "%040x"%(entropy+nonce)
s = hashlib.sha256(ss.decode('hex')).digest().encode('hex')
# we keep only 13 words, that's approximately 139 bits of entropy
- words = mnemonic.mn_encode(s)[0:13]
+ words = mnemonic.mn_encode(s)[0:13]
seed = ' '.join(words)
if is_new_seed(seed):
break # this will remove 8 bits of entropy
return NEW_SEED_VERSION, unicodedata.normalize('NFC', unicode(seed.strip()))
-
class Wallet_2of2(NewWallet):
+ """ This class is used for multisignature addresses"""
def __init__(self, storage):
NewWallet.__init__(self, storage)
self.storage.put('wallet_type', '2of2', True)
+ def default_account(self):
+ return self.accounts['m/']
+
def can_create_accounts(self):
return False
def can_import(self):
return False
- def create_account(self):
+ def create_account(self, name, password):
xpub1 = self.master_public_keys.get("m/")
xpub2 = self.master_public_keys.get("cold/")
account = BIP32_Account_2of2({'xpub':xpub1, 'xpub2':xpub2})
xpub1 = self.master_public_keys.get("m/")
xpub2 = self.master_public_keys.get("cold/")
if xpub1 is None:
- return 'create_2of2_1'
+ return 'create_seed'
if xpub2 is None:
- return 'create_2of2_2'
-
+ return 'add_cosigner'
+ if not self.accounts:
+ return 'create_accounts'
class Wallet_2of3(Wallet_2of2):
+ """ This class is used for multisignature addresses"""
def __init__(self, storage):
Wallet_2of2.__init__(self, storage)
self.storage.put('wallet_type', '2of3', True)
- def create_account(self):
+ def create_account(self, name, password):
xpub1 = self.master_public_keys.get("m/")
xpub2 = self.master_public_keys.get("cold/")
xpub3 = self.master_public_keys.get("remote/")
xpub1 = self.master_public_keys.get("m/")
xpub2 = self.master_public_keys.get("cold/")
xpub3 = self.master_public_keys.get("remote/")
- # fixme: we use order of creation
- if xpub2 and xpub1 is None:
- return 'create_2fa_2'
if xpub1 is None:
- return 'create_2of3_1'
+ return 'create_seed'
if xpub2 is None or xpub3 is None:
- return 'create_2of3_2'
-
-
-
+ return 'add_two_cosigners'
+ if not self.accounts:
+ return 'create_accounts'
class OldWallet(Deterministic_Wallet):
+ def default_account(self):
+ return self.accounts[0]
+
def make_seed(self):
import mnemonic
seed = random_seed(128)
seed = mnemonic.mn_decode(words)
if not seed:
raise Exception("Invalid seed")
-
- return OLD_SEED_VERSION, seed
+ return OLD_SEED_VERSION, seed
def create_master_keys(self, password):
seed = self.get_seed(password)
return seed
def check_password(self, password):
- seed = pw_decode(self.seed, password)
+ seed = self.get_seed(password)
self.accounts[0].check_seed(seed)
def get_mnemonic(self, password):
s = self.get_seed(password)
return ' '.join(mnemonic.mn_encode(s))
-
- 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:
- m = re.match("old\(([0-9a-f]+),(\d+),(\d+)", keyid)
- if not m: continue
- mpk = m.group(1)
- if mpk != self.storage.get('master_public_key'): continue
- for_change = int(m.group(2))
- num = int(m.group(3))
- account = self.accounts[0]
- addr = account.get_address(for_change, num)
- txin['address'] = addr # fixme: side effect
- pk = account.get_private_key(seed, (for_change, num))
- pubkey = public_key_from_private_key(pk)
- keypairs[pubkey] = pk
-
-
-
def check_pending_accounts(self):
pass
# 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):
config = storage.config
- if config.get('bitkey', False):
- # if user requested support for Bitkey device,
- # import Bitkey driver
- from wallet_bitkey import WalletBitkey
- return WalletBitkey(config)
-
- if storage.get('wallet_type') == '2of2':
- return Wallet_2of2(storage)
- if storage.get('wallet_type') == '2of3':
- return Wallet_2of3(storage)
-
- if storage.file_exists and not storage.get('seed'):
- # wallet made of imported keys
- return Imported_Wallet(storage)
+ self.wallet_types = [
+ ('standard', ("Standard wallet"), NewWallet if config.get('bip32') else OldWallet),
+ ('imported', ("Imported wallet"), Imported_Wallet),
+ ('2of2', ("Multisig wallet (2 of 2)"), Wallet_2of2),
+ ('2of3', ("Multisig wallet (2 of 3)"), Wallet_2of3)
+ ]
+ run_hook('add_wallet_types', self.wallet_types)
+ for t, l, WalletClass in self.wallet_types:
+ if t == storage.get('wallet_type'):
+ return WalletClass(storage)
if not storage.file_exists:
seed_version = NEW_SEED_VERSION if config.get('bip32') is True else OLD_SEED_VERSION
print msg
sys.exit(1)
-
-
@classmethod
def is_seed(self, seed):
if not seed:
return True
elif is_new_seed(seed):
return True
- else:
+ else:
return False
@classmethod
- def is_mpk(self, mpk):
+ def is_old_mpk(self, mpk):
try:
int(mpk, 16)
- old = True
+ assert len(mpk) == 128
+ return True
except:
- old = False
-
- if old:
- return len(mpk) == 128
- else:
- try:
- deserialize_xkey(mpk)
- return True
- except:
- return False
+ 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):
return w
@classmethod
- def from_mpk(self, mpk, storage):
-
- try:
- int(mpk, 16)
- old = True
- except:
- old = False
+ def from_old_mpk(self, mpk, storage):
+ w = OldWallet(storage)
+ w.seed = ''
+ w.create_watching_only_wallet(mpk)
+ return w
- if old:
- w = OldWallet(storage)
- w.seed = ''
- w.create_watching_only_wallet(mpk)
- else:
- w = NewWallet(storage)
- w.create_watching_only_wallet(mpk)
+ @classmethod
+ def from_xpub(self, xpub, storage):
+ w = NewWallet(storage)
+ w.create_watching_only_wallet(xpub)
+ return w
+ @classmethod
+ def from_xprv(self, xprv, password, storage):
+ w = NewWallet(storage)
+ w.create_xprv_wallet(xprv, password)
return w
git://git.novaco.in / electrum-nvc.git / blobdiff