# 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
-from util import print_msg, print_error, format_satoshis
from bitcoin import *
from account import *
+from version import *
+
from transaction import Transaction
from plugins import run_hook
+import bitcoin
+from synchronizer import WalletSynchronizer
COINBASE_MATURITY = 100
+DUST_THRESHOLD = 5430
-# AES encryption
-EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))
-DecodeAES = lambda secret, e: aes.decryptData(secret, base64.b64decode(e))
-
-def pw_encode(s, password):
- if password:
- secret = Hash(password)
- return EncodeAES(secret, s)
- else:
- return s
-
-def pw_decode(s, password):
- if password is not None:
- secret = Hash(password)
- try:
- d = DecodeAES(secret, s)
- except:
- raise BaseException('Invalid password')
- return d
- else:
- return s
-
-
-
+# internal ID for imported account
+IMPORTED_ACCOUNT = '/x'
-from version import *
-
class WalletStorage:
def __init__(self, config):
self.lock = threading.Lock()
+ self.config = config
self.data = {}
self.file_exists = False
self.path = self.init_path(config)
return
try:
d = ast.literal_eval( data ) #parse raw data from reading wallet file
- except:
+ except Exception:
raise IOError("Cannot read wallet file.")
self.data = d
def get(self, key, default=None):
- return self.data.get(key, default)
+ v = self.data.get(key)
+ if v is None:
+ v = default
+ return v
def put(self, key, value, save = True):
with self.lock:
if value is not None:
self.data[key] = value
- else:
- self.data.pop[key]
- if save:
+ elif key in self.data:
+ self.data.pop(key)
+ if save:
self.write()
def write(self):
os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)
-class Wallet:
+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
-
# saved fields
- self.seed_version = storage.get('seed_version', SEED_VERSION)
-
+ self.seed_version = storage.get('seed_version', NEW_SEED_VERSION)
self.gap_limit = storage.get('gap_limit', 5)
self.use_change = storage.get('use_change',True)
self.use_encryption = storage.get('use_encryption', False)
self.seed = storage.get('seed', '') # encrypted
self.labels = storage.get('labels', {})
self.frozen_addresses = storage.get('frozen_addresses',[])
- self.prioritized_addresses = storage.get('prioritized_addresses',[])
self.addressbook = storage.get('contacts', [])
- self.imported_keys = storage.get('imported_keys',{})
self.history = storage.get('addr_history',{}) # address -> list(txid, height)
- self.fee = int(storage.get('fee_per_kb',20000))
+ self.fee = int(storage.get('fee_per_kb', 10000))
self.master_public_keys = storage.get('master_public_keys',{})
self.master_private_keys = storage.get('master_private_keys', {})
self.next_addresses = storage.get('next_addresses',{})
- if self.seed_version not in [4, 6]:
- msg = "This wallet seed is not supported."
- if self.seed_version in [5]:
- msg += "\nTo open this wallet, try 'git checkout seed_v%d'"%self.seed_version
- print msg
- sys.exit(1)
+ # This attribute is set when wallet.start_threads is called.
+ self.synchronizer = None
self.load_accounts()
for k,v in tx_list.items():
try:
tx = Transaction(v)
- except:
+ except Exception:
print_msg("Warning: Cannot deserialize transactions. skipping")
continue
# 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()
# find the address corresponding to pay-to-pubkey inputs
for tx2 in self.transactions.values():
tx2.add_extra_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',{})
+
+ d = self.storage.get('accounts', {})
+ for k, v in d.items():
+ if k == 0:
+ v['mpk'] = self.storage.get('master_public_key')
+ self.accounts[k] = OldAccount(v)
+ elif v.get('imported'):
+ self.accounts[k] = ImportedAccount(v)
+ elif v.get('xpub3'):
+ self.accounts[k] = BIP32_Account_2of3(v)
+ elif v.get('xpub2'):
+ self.accounts[k] = BIP32_Account_2of2(v)
+ elif v.get('xpub'):
+ self.accounts[k] = BIP32_Account(v)
+ elif v.get('pending'):
+ self.accounts[k] = PendingAccount(v)
+ else:
+ print_error("cannot load account", v)
+
+ def synchronize(self):
+ pass
+ def can_create_accounts(self):
+ return False
def set_up_to_date(self,b):
with self.lock: self.up_to_date = b
-
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:
+ 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):
- # check password
- seed = self.get_seed(password)
try:
- address = address_from_private_key(sec)
- except:
- raise BaseException('Invalid private key')
+ pubkey = public_key_from_private_key(sec)
+ address = public_key_to_bc_address(pubkey.decode('hex'))
+ except Exception:
+ raise Exception('Invalid private key')
if self.is_mine(address):
- raise BaseException('Address already in wallet')
-
- # store the originally requested keypair into the imported keys table
- self.imported_keys[address] = pw_encode(sec, password )
- self.storage.put('imported_keys', self.imported_keys, True)
+ 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):
- if addr in self.imported_keys:
- self.imported_keys.pop(addr)
- self.storage.put('imported_keys', self.imported_keys, True)
-
-
- def make_seed(self):
- import mnemonic, ecdsa
- entropy = ecdsa.util.randrange( pow(2,160) )
- nonce = 0
- while True:
- ss = "%040x"%(entropy+nonce)
- s = hashlib.sha256(ss.decode('hex')).digest().encode('hex')
- # we keep only 13 words, that's approximately 139 bits of entropy
- words = mnemonic.mn_encode(s)[0:13]
- seed = ' '.join(words)
- if mnemonic_hash(seed).startswith(SEED_PREFIX):
- break # this removes 12 bits of entropy
- nonce += 1
-
- return seed
-
-
- def init_seed(self, seed):
- import mnemonic
-
- if self.seed:
- raise BaseException("a seed exists")
-
- if not seed:
- self.seed = random_seed(128)
- self.seed_version = 4
- return
-
- #if not seed:
- # self.seed = self.make_seed()
- # self.seed_version = SEED_VERSION
- # return
-
- # find out what kind of wallet we are
- try:
- seed.decode('hex')
- self.seed_version = 4
- return
- except:
- pass
-
- words = seed.split()
- self.seed_version = 4
- self.seed = mnemonic.mn_decode(words)
-
- #try:
- # mnemonic.mn_decode(words)
- # uses_electrum_words = True
- #except:
- # uses_electrum_words = False
- #
- #if uses_electrum_words and len(words) != 13:
- # self.seed_version = 4
- # self.seed = mnemonic.mn_decode(words)
- #else:
- # assert mnemonic_hash(seed).startswith(SEED_PREFIX)
- # self.seed_version = SEED_VERSION
- # self.seed = seed
-
-
- def save_seed(self):
- self.storage.put('seed', self.seed, True)
- self.storage.put('seed_version', self.seed_version, True)
-
- def create_watching_only_wallet(self, c0, K0):
- cK0 = ""
- self.master_public_keys = {
- "m/0'/": (c0, K0, cK0),
- }
- self.storage.put('master_public_keys', self.master_public_keys, True)
- self.create_account('1','Main account')
-
-
- def create_accounts(self):
- if self.seed_version == 4:
- self.create_old_account()
- else:
- # create default account
- self.create_master_keys('1')
- self.create_account('1','Main account')
-
-
- def create_master_keys(self, account_type):
- master_k, master_c, master_K, master_cK = bip32_init(self.get_seed(None))
- if account_type == '1':
- k0, c0, K0, cK0 = bip32_private_derivation(master_k, master_c, "m/", "m/0'/")
- self.master_public_keys["m/0'/"] = (c0, K0, cK0)
- self.master_private_keys["m/0'/"] = k0
- elif account_type == '2of2':
- k1, c1, K1, cK1 = bip32_private_derivation(master_k, master_c, "m/", "m/1'/")
- k2, c2, K2, cK2 = bip32_private_derivation(master_k, master_c, "m/", "m/2'/")
- self.master_public_keys["m/1'/"] = (c1, K1, cK1)
- self.master_public_keys["m/2'/"] = (c2, K2, cK2)
- self.master_private_keys["m/1'/"] = k1
- self.master_private_keys["m/2'/"] = k2
- elif account_type == '2of3':
- k3, c3, K3, cK3 = bip32_private_derivation(master_k, master_c, "m/", "m/3'/")
- k4, c4, K4, cK4 = bip32_private_derivation(master_k, master_c, "m/", "m/4'/")
- k5, c5, K5, cK5 = bip32_private_derivation(master_k, master_c, "m/", "m/5'/")
- self.master_public_keys["m/3'/"] = (c3, K3, cK3)
- self.master_public_keys["m/4'/"] = (c4, K4, cK4)
- self.master_public_keys["m/5'/"] = (c5, K5, cK5)
- self.master_private_keys["m/3'/"] = k3
- self.master_private_keys["m/4'/"] = k4
- self.master_private_keys["m/5'/"] = k5
-
- self.storage.put('master_public_keys', self.master_public_keys, True)
- self.storage.put('master_private_keys', self.master_private_keys, True)
-
- def has_master_public_keys(self, account_type):
- if account_type == '1':
- return "m/0'/" in self.master_public_keys
- elif account_type == '2of2':
- return set(["m/1'/", "m/2'/"]) <= set(self.master_public_keys.keys())
- elif account_type == '2of3':
- return set(["m/3'/", "m/4'/", "m/5'/"]) <= set(self.master_public_keys.keys())
-
- def find_root_by_master_key(self, c, K):
- for key, v in self.master_public_keys.items():
- if key == "m/":continue
- cc, KK, _ = v
- if (c == cc) and (K == KK):
- return key
-
- def deseed_root(self, seed, password):
- # for safety, we ask the user to enter their seed
- assert seed == self.get_seed(password)
- self.seed = ''
- self.storage.put('seed', '', True)
-
-
- def deseed_branch(self, k):
- # check that parent has no seed
- assert self.seed == ''
- self.master_private_keys.pop(k)
- self.storage.put('master_private_keys', self.master_private_keys, True)
-
- def is_watching_only(self):
- return (self.seed == '') and (self.master_private_keys == {})
-
-
-
- def account_id(self, account_type, i):
- if account_type == '1':
- return "m/0'/%d"%i
- elif account_type == '2of2':
- return "m/1'/%d & m/2'/%d"%(i,i)
- elif account_type == '2of3':
- return "m/3'/%d & m/4'/%d & m/5'/%d"%(i,i,i)
- else:
- raise BaseException('unknown account type')
-
-
- def num_accounts(self, account_type):
- keys = self.accounts.keys()
- i = 0
- while True:
- account_id = self.account_id(account_type, i)
- if account_id not in keys: break
- i += 1
- return i
-
-
- def new_account_address(self, account_type = '1'):
- i = self.num_accounts(account_type)
- k = self.account_id(account_type,i)
-
- addr = self.next_addresses.get(k)
- if not addr:
- account_id, account = self.next_account(account_type)
- addr = account.first_address()
- self.next_addresses[k] = addr
- self.storage.put('next_addresses',self.next_addresses)
-
- return k, addr
-
-
- def next_account(self, account_type = '1'):
-
- i = self.num_accounts(account_type)
- account_id = self.account_id(account_type,i)
-
- if account_type is '1':
- master_c0, master_K0, _ = self.master_public_keys["m/0'/"]
- c0, K0, cK0 = bip32_public_derivation(master_c0.decode('hex'), master_K0.decode('hex'), "m/0'/", "m/0'/%d"%i)
- account = BIP32_Account({ 'c':c0, 'K':K0, 'cK':cK0 })
-
- elif account_type == '2of2':
- master_c1, master_K1, _ = self.master_public_keys["m/1'/"]
- c1, K1, cK1 = bip32_public_derivation(master_c1.decode('hex'), master_K1.decode('hex'), "m/1'/", "m/1'/%d"%i)
- master_c2, master_K2, _ = self.master_public_keys["m/2'/"]
- c2, K2, cK2 = bip32_public_derivation(master_c2.decode('hex'), master_K2.decode('hex'), "m/2'/", "m/2'/%d"%i)
- account = BIP32_Account_2of2({ 'c':c1, 'K':K1, 'cK':cK1, 'c2':c2, 'K2':K2, 'cK2':cK2 })
-
- elif account_type == '2of3':
- master_c3, master_K3, _ = self.master_public_keys["m/3'/"]
- c3, K3, cK3 = bip32_public_derivation(master_c3.decode('hex'), master_K3.decode('hex'), "m/3'/", "m/3'/%d"%i)
- master_c4, master_K4, _ = self.master_public_keys["m/4'/"]
- c4, K4, cK4 = bip32_public_derivation(master_c4.decode('hex'), master_K4.decode('hex'), "m/4'/", "m/4'/%d"%i)
- master_c5, master_K5, _ = self.master_public_keys["m/5'/"]
- c5, K5, cK5 = bip32_public_derivation(master_c5.decode('hex'), master_K5.decode('hex'), "m/5'/", "m/5'/%d"%i)
- account = BIP32_Account_2of3({ 'c':c3, 'K':K3, 'cK':cK3, 'c2':c4, 'K2':K4, 'cK2':cK4, 'c3':c5, 'K3':K5, 'cK3':cK5 })
-
- return account_id, account
+ def delete_imported_key(self, addr):
+ account = self.accounts[IMPORTED_ACCOUNT]
+ account.remove(addr)
+ if not account.get_addresses(0):
+ self.accounts.pop(IMPORTED_ACCOUNT)
+ self.save_accounts()
def set_label(self, name, text = None):
changed = False
run_hook('set_label', name, text, changed)
return changed
-
-
- def create_account(self, account_type = '1', name = None):
- k, account = self.next_account(account_type)
- 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 create_old_account(self):
- mpk = OldAccount.mpk_from_seed(self.seed)
- self.storage.put('master_public_key', mpk, True)
- self.accounts[0] = OldAccount({'mpk':mpk, 0:[], 1:[]})
- self.save_accounts()
-
-
- def save_accounts(self):
- d = {}
- for k, v in self.accounts.items():
- d[k] = v.dump()
- self.storage.put('accounts', d, True)
-
-
-
- def 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)
+ o = []
for a in self.accounts.keys():
o += self.get_account_addresses(a, include_change)
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):
- if self.seed_version == 4:
- return self.storage.get("master_public_key")
- else:
- c, K, cK = self.storage.get("master_public_keys")["m/0'/"]
- return repr((c, K))
-
- def get_master_private_key(self, account, password):
- master_k = pw_decode( self.master_private_keys[account], 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:
- raise BaseException("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]:
if v == address:
return k, (0,0)
- raise BaseException("Address not found", address)
-
-
- 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
+ raise Exception("Address not found", address)
- 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 getpubkeys(self, addr):
+ assert is_address(addr) and self.is_mine(addr)
+ account, sequence = self.get_address_index(addr)
+ a = self.accounts[account]
+ return a.get_pubkeys( sequence )
- def get_keyID(self, account, sequence):
- if account == 0:
- return 'old'
+ 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)
- rs = self.rebase_sequence(account, sequence)
- dd = []
- for root, public_sequence in rs:
- c, K, _ = self.master_public_keys[root]
- s = '/' + '/'.join( map(lambda x:str(x), public_sequence) )
- dd.append( 'bip32(%s,%s,%s)'%(c,K, s) )
- return '&'.join(dd)
+ 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):
+ if self.is_watching_only():
+ return False
- def get_seed(self, password):
- s = pw_decode(self.seed, password)
- if self.seed_version == 4:
- seed = s
- else:
- seed = mnemonic_hash(s)
- #todo: #self.sequences[0].check_seed(seed)
- return seed
-
+ if tx.is_complete():
+ return False
- def get_mnemonic(self, password):
- import mnemonic
- s = pw_decode(self.seed, password)
- if self.seed_version == 4:
- return ' '.join(mnemonic.mn_encode(s))
- else:
- return s
+ 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
- def get_private_key(self, address, 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:
- seed = self.get_seed(password)
- 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
+ return False
+ def add_keypairs(self, tx, keypairs, password):
+ # first check the provided password. This will raise if invalid.
+ self.check_password(password)
- def add_keypairs_from_wallet(self, tx, keypairs, password):
- for txin in tx.inputs:
- address = txin['address']
- private_keys = self.get_private_key(address, password)
- for sec in private_keys:
- pubkey = public_key_from_private_key(sec)
- keypairs[ pubkey ] = sec
-
-
- def add_keypairs_from_KeyID(self, tx, keypairs, 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:
+ 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
-
+ 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!
- 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']:
- 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'])
+ 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
+
+ addr = account.get_address(*sequence)
+ 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, 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)
- self.sign_transaction(tx, keypairs)
+ # 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)
compressed = is_compressed(sec)
return key.sign_message(message, compressed, address)
-
- 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.verifier.blockchain.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 ['1','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 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
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)
# 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
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 "P" if addr in self.prioritized_addresses 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)
key = item['prevout_hash'] + ':%d'%item['prevout_n']
self.spent_outputs.append(key)
-
def get_addr_balance(self, address):
- assert self.is_mine(address)
+ #assert self.is_mine(address)
h = self.history.get(address,[])
if h == ['*']: return 0,0
c = u = 0
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):
u += v
return c, u
-
def get_account_name(self, k):
- if k == 0:
- if self.seed_version == 4:
- name = 'Main account'
- else:
- name = 'Old account'
- else:
- 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
+ return self.labels.get(k, self.accounts[k].get_name(k))
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
+ 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)
- elif a == -1:
- o = self.imported_keys.keys()
- else:
+ 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_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
uu += u
return cc, uu
-
def get_unspent_coins(self, domain=None):
coins = []
if domain is None: domain = self.addresses(True)
if h == ['*']: continue
for tx_hash, tx_height in h:
tx = self.transactions.get(tx_hash)
- if tx is None: raise BaseException("Wallet not synchronized")
+ if tx is None: raise Exception("Wallet not synchronized")
is_coinbase = tx.inputs[0].get('prevout_hash') == '0'*64
- for output in tx.d.get('outputs'):
+ 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
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_from_account( self, amount, fixed_fee, account ):
- domain = self.get_account_addresses(account) if account else None
- return self.choose_tx_inputs( amount, fixed_fee, domain )
-
-
- def choose_tx_inputs( self, amount, fixed_fee, 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)
- prioritized = []
- for i in self.prioritized_addresses:
- if i in domain:
- domain.remove(i)
- prioritized.append(i)
-
- coins = self.get_unspent_coins(domain)
- prioritized_coins = self.get_unspent_coins(prioritized)
+ 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)
inputs = []
- coins = prioritized_coins + coins
for item in coins:
- if item.get('coinbase') and item.get('height') + COINBASE_MATURITY > self.network.blockchain.height:
+ 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) if fixed_fee is None else fixed_fee
+ 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):
- estimated_size = len(inputs) * 180 + 80 # this assumes non-compressed keys
- fee = self.fee * int(round(estimated_size/1024.))
- if fee == 0: fee = self.fee
- return fee
+ 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 != 0:
+ 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:
+ if not self.use_change or account == IMPORTED_ACCOUNT:
change_addr = inputs[-1]['address']
else:
change_addr = self.accounts[account].get_addresses(1)[-self.gap_limit_for_change]
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:
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.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():
def receive_history_callback(self, addr, hist):
if not self.check_new_history(addr, hist):
- raise BaseException("error: received history for %s is not consistent with known transactions"%addr)
-
+ 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 []
+
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)
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 = ''
try:
default_label = self.labels[o_addr]
except KeyError:
- default_label = o_addr
+ default_label = '>' + o_addr
break
else:
default_label = '(internal)'
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
+ default_label = '<' + o_addr
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)
+ 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, domain )
+ inputs, total, fee = self.choose_tx_inputs( amount, fee, len(outputs), domain, coins )
if not inputs:
raise ValueError("Not enough funds")
- self.add_input_info(inputs)
+ 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)
-
- def mktx_from_account(self, outputs, password, fee=None, account=None):
- domain = self.get_account_addresses(account) if account else None
- return self.mktx(outputs, password, fee, change_addr=None, domain=domain)
-
-
- 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)
+ 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]
+ redeemScript = account.redeem_script(sequence)
+ txin['x_pubkeys'] = account.get_xpubkeys(sequence)
+ txin['pubkeys'] = pubkeys = account.get_pubkeys(sequence)
+ 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 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):
+ def sign_transaction(self, tx, keypairs, password):
tx.sign(keypairs)
- run_hook('sign_transaction', tx)
-
+ 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)
+ 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)
+ self.network.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):
- out = self.tx_result
+ def receive_tx(self, tx_hash, tx):
+ out = self.tx_result
if out != tx_hash:
return False, "error: " + out
+ run_hook('receive_tx', tx, self)
return True, out
+ def update_password(self, old_password, new_password):
+ if new_password == '':
+ new_password = None
+ if self.has_seed():
+ decoded = self.get_seed(old_password)
+ self.seed = pw_encode( decoded, new_password)
+ self.storage.put('seed', self.seed, True)
- def update_password(self, old_password, new_password):
- if new_password == '': new_password = None
- # this will throw an exception if unicode cannot be converted
- decoded = pw_decode(self.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)
+ imported_account = self.accounts.get(IMPORTED_ACCOUNT)
+ if imported_account:
+ imported_account.update_password(old_password, new_password)
+ self.save_accounts()
for k, v in self.master_private_keys.items():
b = pw_decode(v, old_password)
self.master_private_keys[k] = c
self.storage.put('master_private_keys', self.master_private_keys, True)
+ self.use_encryption = (new_password != None)
+ self.storage.put('use_encryption', self.use_encryption,True)
def freeze(self,addr):
if self.is_mine(addr) and addr not in self.frozen_addresses:
- self.unprioritize(addr)
self.frozen_addresses.append(addr)
self.storage.put('frozen_addresses', self.frozen_addresses, True)
return True
else:
return False
- def prioritize(self,addr):
- if self.is_mine(addr) and addr not in self.prioritized_addresses:
- self.unfreeze(addr)
- self.prioritized_addresses.append(addr)
- self.storage.put('prioritized_addresses', self.prioritized_addresses, True)
- return True
- else:
- return False
-
- def unprioritize(self,addr):
- if self.is_mine(addr) and addr in self.prioritized_addresses:
- self.prioritized_addresses.remove(addr)
- self.storage.put('prioritized_addresses', self.prioritized_addresses, True)
- return True
- else:
- return False
-
-
def set_verifier(self, verifier):
self.verifier = verifier
# 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)
# tx might not be there
if not tx: continue
-
+
# already verified?
if self.verifier.get_height(tx_hash):
continue
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
- self.verifier = TxVerifier(self.network, self.storage)
- self.verifier.start()
- self.set_verifier(self.verifier)
- self.synchronizer = WalletSynchronizer(self, network)
- self.synchronizer.start()
+ 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):
- self.verifier.stop()
- self.synchronizer.stop()
+ if self.network:
+ self.verifier.stop()
+ self.synchronizer.stop()
+
+ def restore(self, cb):
+ pass
+
+ def get_accounts(self):
+ return self.accounts
+
+ def save_accounts(self):
+ d = {}
+ for k, v in self.accounts.items():
+ d[k] = v.dump()
+ self.storage.put('accounts', d, True)
+ def can_import(self):
+ return not self.is_watching_only()
+ def 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):
+
+ def __init__(self, storage):
+ Abstract_Wallet.__init__(self, storage)
+ 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]
+ n = acc.keypairs.values()
+ return n == [(None, None)] * len(n)
+
+ def has_seed(self):
+ return False
+
+ def is_deterministic(self):
+ return False
+
+ def check_password(self, password):
+ self.accounts[IMPORTED_ACCOUNT].get_private_key((0,0), self, password)
+
+ def is_used(self, address):
+ h = self.history.get(address,[])
+ return len(h), False
+
+ def get_master_public_keys(self):
+ return {}
+
+ def is_beyond_limit(self, address, account, is_change):
+ return False
+
+class Deterministic_Wallet(Abstract_Wallet):
+
+ def __init__(self, storage):
+ Abstract_Wallet.__init__(self, storage)
+
+ def has_seed(self):
+ return self.seed != ''
+
+ def is_deterministic(self):
+ return True
+
+ def is_watching_only(self):
+ return not self.has_seed()
+
+ def add_seed(self, seed, password):
+ if self.seed:
+ raise Exception("a seed exists")
+
+ self.seed_version, self.seed = self.prepare_seed(seed)
+ if password:
+ self.seed = pw_encode( self.seed, password)
+ self.use_encryption = True
+ else:
+ self.use_encryption = False
+
+ self.storage.put('seed', self.seed, True)
+ self.storage.put('seed_version', self.seed_version, True)
+ self.storage.put('use_encryption', self.use_encryption,True)
+ self.create_master_keys(password)
+
+ def get_seed(self, password):
+ return pw_decode(self.seed, password)
+
+ def get_mnemonic(self, password):
+ return self.get_seed(password)
+
+ def change_gap_limit(self, value):
+ if value >= self.gap_limit:
+ self.gap_limit = value
+ self.storage.put('gap_limit', self.gap_limit, True)
+ #self.interface.poke('synchronizer')
+ return True
+
+ elif value >= self.min_acceptable_gap():
+ for key, account in self.accounts.items():
+ addresses = account[0]
+ k = self.num_unused_trailing_addresses(addresses)
+ n = len(addresses) - k + value
+ addresses = addresses[0:n]
+ self.accounts[key][0] = addresses
+
+ self.gap_limit = value
+ self.storage.put('gap_limit', self.gap_limit, True)
+ self.save_accounts()
+ return True
+ else:
+ return False
+
+ def num_unused_trailing_addresses(self, addresses):
+ k = 0
+ for a in addresses[::-1]:
+ if self.history.get(a):break
+ k = k + 1
+ return k
+
+ def min_acceptable_gap(self):
+ # fixme: this assumes wallet is synchronized
+ n = 0
+ nmax = 0
+
+ for account in self.accounts.values():
+ addresses = account.get_addresses(0)
+ k = self.num_unused_trailing_addresses(addresses)
+ for a in addresses[0:-k]:
+ if self.history.get(a):
+ n = 0
+ else:
+ n += 1
+ if n > nmax: nmax = n
+ return nmax + 1
+
+ def 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
+ while True:
+ addresses = account.get_addresses(for_change)
+ if len(addresses) < limit:
+ self.create_new_address(account, for_change)
+ continue
+ if map( lambda a: self.address_is_old(a), addresses[-limit:] ) == limit*[False]:
+ break
+ else:
+ self.create_new_address(account, for_change)
+
+ def check_pending_accounts(self):
+ for account_id, addr in self.next_addresses.items():
+ if self.address_is_old(addr):
+ print_error( "creating account", account_id )
+ xpub = self.master_public_keys[account_id]
+ account = BIP32_Account({'xpub':xpub})
+ self.add_account(account_id, account)
+ self.next_addresses.pop(account_id)
+
+ def synchronize_account(self, account):
+ self.synchronize_sequence(account, 0)
+ self.synchronize_sequence(account, 1)
+
+ def synchronize(self):
+ self.check_pending_accounts()
+ for account in self.accounts.values():
+ if type(account) in [ImportedAccount, PendingAccount]:
+ continue
+ 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,))
time.sleep(0.1)
def wait_for_network():
- while not self.network.interface.is_connected:
+ 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
- wait_for_network()
+ if self.network:
+ wait_for_network()
+ 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)
+ account = self.make_account(account_id, password)
+ self.add_account(account_id, account)
+ if name:
+ self.set_label(account_id, name)
+ # add address of the next account
+ _, _ = self.next_account_address(password)
- self.create_accounts()
- wait_for_wallet()
+ def add_account(self, account_id, account):
+ self.accounts[account_id] = account
+ self.save_accounts()
+ def account_is_pending(self, k):
+ return type(self.accounts.get(k)) == PendingAccount
+ def delete_pending_account(self, k):
+ assert self.account_is_pending(k)
+ self.accounts.pop(k)
+ self.save_accounts()
-class WalletSynchronizer(threading.Thread):
+ def create_pending_account(self, name, password):
+ account_id, addr = self.next_account_address(password)
+ self.set_label(account_id, name)
+ 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 __init__(self, wallet, network):
- threading.Thread.__init__(self)
- self.daemon = True
- self.wallet = wallet
- self.network = network
- self.was_updated = True
- self.running = False
- self.lock = threading.Lock()
- self.queue = Queue.Queue()
- def stop(self):
- with self.lock: self.running = False
+class NewWallet(Deterministic_Wallet):
- def is_running(self):
- with self.lock: return self.running
+ def __init__(self, storage):
+ Deterministic_Wallet.__init__(self, storage)
-
- def subscribe_to_addresses(self, addresses):
- messages = []
- for addr in addresses:
- messages.append(('blockchain.address.subscribe', [addr]))
- self.network.subscribe( messages, lambda i,r: self.queue.put(r))
+ def default_account(self):
+ return self.accounts["m/0'"]
+ def is_watching_only(self):
+ return self.master_private_keys is {}
- def run(self):
- with self.lock:
- self.running = True
-
- while self.is_running():
-
- if not self.network.is_connected():
- print_error("synchronizer: waiting for interface")
- self.network.wait_until_connected()
-
- self.run_interface(self.network.interface)
-
-
- def run_interface(self, interface):
-
- print_error("synchronizer: connected to", interface.server)
-
- requested_tx = []
- missing_tx = []
- requested_histories = {}
-
- # request any missing transactions
- for history in self.wallet.history.values():
- if history == ['*']: continue
- for tx_hash, tx_height in history:
- if self.wallet.transactions.get(tx_hash) is None and (tx_hash, tx_height) not in missing_tx:
- missing_tx.append( (tx_hash, tx_height) )
-
- if missing_tx:
- print_error("missing tx", missing_tx)
-
- # subscriptions
- self.subscribe_to_addresses(self.wallet.addresses(True))
-
- while self.is_running():
- # 1. create new addresses
- new_addresses = self.wallet.synchronize()
-
- # request missing addresses
- if new_addresses:
- self.subscribe_to_addresses(new_addresses)
-
- # request missing transactions
- for tx_hash, tx_height in missing_tx:
- if (tx_hash, tx_height) not in requested_tx:
- interface.send([ ('blockchain.transaction.get',[tx_hash, tx_height]) ], lambda i,r: self.queue.put(r))
- requested_tx.append( (tx_hash, tx_height) )
- missing_tx = []
-
- # detect if situation has changed
- if interface.is_up_to_date() and self.queue.empty():
- if not self.wallet.is_up_to_date():
- self.wallet.set_up_to_date(True)
- self.was_updated = True
- else:
- if self.wallet.is_up_to_date():
- self.wallet.set_up_to_date(False)
- self.was_updated = True
+ def can_create_accounts(self):
+ return 'm/' in self.master_private_keys.keys()
- if self.was_updated:
- self.wallet.network.trigger_callback('updated')
- self.was_updated = False
+ def get_master_public_key(self):
+ return self.master_public_keys["m/"]
- # 2. get a response
- try:
- r = self.queue.get(block=True, timeout=1)
- except Queue.Empty:
- continue
+ def get_master_public_keys(self):
+ out = {}
+ for k, account in self.accounts.items():
+ name = self.get_account_name(k)
+ mpk_text = '\n\n'.join( account.get_master_pubkeys() )
+ out[name] = mpk_text
+ return out
- if interface != self.network.interface:
- break
-
- if not r:
- continue
+ def get_master_private_key(self, account, password):
+ k = self.master_private_keys.get(account)
+ if not k: return
+ xpriv = pw_decode( k, password)
+ return xpriv
+
+ def check_password(self, password):
+ xpriv = self.get_master_private_key( "m/", password )
+ xpub = self.master_public_keys["m/"]
+ assert deserialize_xkey(xpriv)[3] == deserialize_xkey(xpub)[3]
+
+ def create_xprv_wallet(self, xprv, password):
+ xpub = bitcoin.xpub_from_xprv(xprv)
+ 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_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):
+ # First check the password is valid (this raises if it isn't).
+ self.check_password(password)
+ self.create_account('Main account', password)
+
+ 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)
- # 3. handle response
- method = r['method']
- params = r['params']
- result = r.get('result')
- error = r.get('error')
- if error:
- print "error", r
+ def add_master_keys(self, root, account_id, password):
+ x = self.master_private_keys.get(root)
+ 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_private_key(account_id, xpriv, password)
+ else:
+ master_xpub = self.master_public_keys[root]
+ xpub = bip32_public_derivation(master_xpub, root, account_id)
+ 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():
+ if type(v) != BIP32_Account:
continue
+ keys.append(k)
- if method == 'blockchain.address.subscribe':
- addr = params[0]
- if self.wallet.get_status(self.wallet.get_history(addr)) != result:
- if requested_histories.get(addr) is None:
- interface.send([('blockchain.address.get_history', [addr])], lambda i,r:self.queue.put(r))
- requested_histories[addr] = result
-
- elif method == 'blockchain.address.get_history':
- addr = params[0]
- print_error("receiving history", addr, result)
- if result == ['*']:
- assert requested_histories.pop(addr) == '*'
- self.wallet.receive_history_callback(addr, result)
- else:
- hist = []
- # check that txids are unique
- txids = []
- for item in result:
- tx_hash = item['tx_hash']
- if tx_hash not in txids:
- txids.append(tx_hash)
- hist.append( (tx_hash, item['height']) )
-
- if len(hist) != len(result):
- raise BaseException("error: server sent history with non-unique txid", result)
-
- # check that the status corresponds to what was announced
- rs = requested_histories.pop(addr)
- if self.wallet.get_status(hist) != rs:
- raise BaseException("error: status mismatch: %s"%addr)
-
- # store received history
- self.wallet.receive_history_callback(addr, hist)
-
- # request transactions that we don't have
- for tx_hash, tx_height in hist:
- if self.wallet.transactions.get(tx_hash) is None:
- if (tx_hash, tx_height) not in requested_tx and (tx_hash, tx_height) not in missing_tx:
- missing_tx.append( (tx_hash, tx_height) )
-
- elif method == 'blockchain.transaction.get':
- tx_hash = params[0]
- tx_height = params[1]
- assert tx_hash == hash_encode(Hash(result.decode('hex')))
- tx = Transaction(result)
- self.wallet.receive_tx_callback(tx_hash, tx, tx_height)
- self.was_updated = True
- requested_tx.remove( (tx_hash, tx_height) )
- print_error("received tx:", tx_hash, len(tx.raw))
+ i = 0
+ while True:
+ account_id = self.account_id(i)
+ if account_id not in keys: break
+ i += 1
+ return i
- else:
- print_error("Error: Unknown message:" + method + ", " + repr(params) + ", " + repr(result) )
+ 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:
+ account = self.make_account(account_id, password)
+ addr = account.first_address()
+ self.next_addresses[account_id] = addr
+ self.storage.put('next_addresses', self.next_addresses)
+
+ return account_id, addr
+
+ def account_id(self, i):
+ return "m/%d'"%i
+
+ def make_account(self, account_id, password):
+ """Creates and saves the master keys, but does not save the account"""
+ xpub = self.add_master_keys("m/", account_id, password)
+ account = BIP32_Account({'xpub':xpub})
+ return account
+
+ def make_seed(self):
+ import mnemonic, ecdsa
+ entropy = ecdsa.util.randrange( pow(2,160) )
+ nonce = 0
+ while True:
+ ss = "%040x"%(entropy+nonce)
+ s = hashlib.sha256(ss.decode('hex')).digest().encode('hex')
+ # we keep only 13 words, that's approximately 139 bits of entropy
+ words = mnemonic.mn_encode(s)[0:13]
+ seed = ' '.join(words)
+ if is_new_seed(seed):
+ break # this will remove 8 bits of entropy
+ nonce += 1
+ return seed
+
+ def prepare_seed(self, seed):
+ import unicodedata
+ return NEW_SEED_VERSION, unicodedata.normalize('NFC', unicode(seed.strip()))
+
+
+class Wallet_2of2(NewWallet):
+ """ 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):
+ xpub1 = self.master_public_keys.get("m/")
+ xpub2 = self.master_public_keys.get("cold/")
+ account = BIP32_Account_2of2({'xpub':xpub1, 'xpub2':xpub2})
+ self.add_account('m/', account)
+
+ def get_master_public_keys(self):
+ xpub1 = self.master_public_keys.get("m/")
+ xpub2 = self.master_public_keys.get("cold/")
+ return {'hot':xpub1, 'cold':xpub2}
- if self.was_updated and not requested_tx:
- self.wallet.network.trigger_callback('updated')
- self.wallet.network.trigger_callback("new_transaction") # Updated gets called too many times from other places as well; if we use that signal we get the notification three times
+ def get_action(self):
+ xpub1 = self.master_public_keys.get("m/")
+ xpub2 = self.master_public_keys.get("cold/")
+ if xpub1 is None:
+ return 'create_2of2_1'
+ if xpub2 is None:
+ return 'create_2of2_2'
+
+
+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):
+ xpub1 = self.master_public_keys.get("m/")
+ xpub2 = self.master_public_keys.get("cold/")
+ xpub3 = self.master_public_keys.get("remote/")
+ account = BIP32_Account_2of3({'xpub':xpub1, 'xpub2':xpub2, 'xpub3':xpub3})
+ self.add_account('m/', account)
+
+ def get_master_public_keys(self):
+ xpub1 = self.master_public_keys.get("m/")
+ xpub2 = self.master_public_keys.get("cold/")
+ xpub3 = self.master_public_keys.get("remote/")
+ return {'hot':xpub1, 'cold':xpub2, 'remote':xpub3}
+
+ def get_action(self):
+ 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'
+ if xpub2 is None or xpub3 is None:
+ return 'create_2of3_2'
+
+
+class OldWallet(Deterministic_Wallet):
+
+ def default_account(self):
+ return self.accounts[0]
+
+ def make_seed(self):
+ import mnemonic
+ seed = random_seed(128)
+ return ' '.join(mnemonic.mn_encode(seed))
+
+ def prepare_seed(self, seed):
+ import mnemonic
+ # see if seed was entered as hex
+ seed = seed.strip()
+ try:
+ assert seed
+ seed.decode('hex')
+ return OLD_SEED_VERSION, str(seed)
+ except Exception:
+ pass
+
+ words = seed.split()
+ seed = mnemonic.mn_decode(words)
+ if not seed:
+ raise Exception("Invalid seed")
+
+ return OLD_SEED_VERSION, seed
+
+ def create_master_keys(self, password):
+ seed = self.get_seed(password)
+ mpk = OldAccount.mpk_from_seed(seed)
+ self.storage.put('master_public_key', mpk, True)
+
+ def get_master_public_key(self):
+ return self.storage.get("master_public_key")
+
+ def get_master_public_keys(self):
+ return {'Main Account':self.get_master_public_key()}
+
+ def create_accounts(self, password):
+ mpk = self.storage.get("master_public_key")
+ self.create_account(mpk)
+
+ def create_account(self, mpk):
+ self.accounts[0] = OldAccount({'mpk':mpk, 0:[], 1:[]})
+ self.save_accounts()
+
+ def create_watching_only_wallet(self, mpk):
+ self.seed_version = OLD_SEED_VERSION
+ self.storage.put('seed_version', self.seed_version, True)
+ self.storage.put('master_public_key', mpk, True)
+ self.create_account(mpk)
+
+ def get_seed(self, password):
+ seed = pw_decode(self.seed, password).encode('utf8')
+ return seed
+
+ def check_password(self, password):
+ seed = self.get_seed(password)
+ self.accounts[0].check_seed(seed)
+
+ def get_mnemonic(self, password):
+ import mnemonic
+ s = self.get_seed(password)
+ return ' '.join(mnemonic.mn_encode(s))
+
+ 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.get('wallet_type') == 'imported':
+ return Imported_Wallet(storage)
+
+ if not storage.file_exists:
+ seed_version = NEW_SEED_VERSION if config.get('bip32') is True else OLD_SEED_VERSION
+ else:
+ seed_version = storage.get('seed_version')
+ if not seed_version:
+ seed_version = OLD_SEED_VERSION if len(storage.get('master_public_key')) == 128 else NEW_SEED_VERSION
+
+ if seed_version == OLD_SEED_VERSION:
+ return OldWallet(storage)
+ elif seed_version == NEW_SEED_VERSION:
+ return NewWallet(storage)
+ else:
+ msg = "This wallet seed is not supported."
+ if seed_version in [5]:
+ msg += "\nTo open this wallet, try 'git checkout seed_v%d'"%seed_version
+ print msg
+ sys.exit(1)
+
+ @classmethod
+ def is_seed(self, seed):
+ if not seed:
+ return False
+ elif is_old_seed(seed):
+ return True
+ elif is_new_seed(seed):
+ return True
+ else:
+ return False
+
+ @classmethod
+ def is_old_mpk(self, mpk):
+ try:
+ int(mpk, 16)
+ assert len(mpk) == 128
+ return True
+ except:
+ return False
+
+ @classmethod
+ def is_xpub(self, text):
+ try:
+ assert text[0:4] == 'xpub'
+ deserialize_xkey(text)
+ return True
+ except:
+ return False
+
+ @classmethod
+ def is_xprv(self, text):
+ try:
+ assert text[0:4] == 'xprv'
+ deserialize_xkey(text)
+ return True
+ except:
+ return False
+
+ @classmethod
+ def is_address(self, text):
+ if not text:
+ return False
+ for x in text.split():
+ if not bitcoin.is_address(x):
+ return False
+ return True
+
+ @classmethod
+ def is_private_key(self, text):
+ if not text:
+ return False
+ for x in text.split():
+ if not bitcoin.is_private_key(x):
+ return False
+ return True
- self.was_updated = False
+ @classmethod
+ def from_seed(self, seed, storage):
+ if is_old_seed(seed):
+ klass = OldWallet
+ elif is_new_seed(seed):
+ klass = NewWallet
+ w = klass(storage)
+ return w
+
+ @classmethod
+ def from_address(self, text, storage):
+ w = Imported_Wallet(storage)
+ for x in text.split():
+ w.accounts[IMPORTED_ACCOUNT].add(x, None, None, None)
+ w.save_accounts()
+ return w
+
+ @classmethod
+ def from_private_key(self, text, storage):
+ w = Imported_Wallet(storage)
+ for x in text.split():
+ w.import_key(x, None)
+ return w
+
+ @classmethod
+ def from_old_mpk(self, mpk, storage):
+ w = OldWallet(storage)
+ w.seed = ''
+ w.create_watching_only_wallet(mpk)
+ return w
+
+ @classmethod
+ def from_xpub(self, xpub, storage):
+ w = 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