# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
from bitcoin import *
+from i18n import _
+from transaction import Transaction
+
class Account(object):
def get_address(self, for_change, n):
pass
+ def get_pubkeys(self, sequence):
+ return [ self.get_pubkey( *sequence )]
+
+ def has_change(self):
+ return True
+ def get_name(self, k):
+ return _('Main account')
+
+ def get_keyID(self, *sequence):
+ pass
+
+ def redeem_script(self, *sequence):
+ pass
+
+
+class PendingAccount(Account):
+ def __init__(self, v):
+ self.addresses = [ v['pending'] ]
+ self.change = []
+
+ def has_change(self):
+ return False
+
+ def dump(self):
+ return {'pending':self.addresses[0]}
+
+ def get_name(self, k):
+ return _('Pending account')
+
+
+class ImportedAccount(Account):
+ def __init__(self, d):
+ self.keypairs = d['imported']
+
+ def get_addresses(self, for_change):
+ return [] if for_change else sorted(self.keypairs.keys())
+
+ def get_pubkey(self, *sequence):
+ for_change, i = sequence
+ assert for_change == 0
+ addr = self.get_addresses(0)[i]
+ return self.keypairs[addr][0]
+
+ def get_private_key(self, sequence, wallet, password):
+ from wallet import pw_decode
+ for_change, i = sequence
+ assert for_change == 0
+ address = self.get_addresses(0)[i]
+ pk = pw_decode(self.keypairs[address][1], password)
+ # this checks the password
+ assert address == address_from_private_key(pk)
+ return [pk]
+
+ def has_change(self):
+ return False
+
+ def add(self, address, pubkey, privkey, password):
+ from wallet import pw_encode
+ self.keypairs[address] = (pubkey, pw_encode(privkey, password ))
+
+ def remove(self, address):
+ self.keypairs.pop(address)
+
+ def dump(self):
+ return {'imported':self.keypairs}
+
+ def get_name(self, k):
+ return _('Imported keys')
+
+
+ def update_password(self, old_password, new_password):
+ for k, v in self.keypairs.items():
+ pubkey, a = v
+ b = pw_decode(a, old_password)
+ c = pw_encode(b, new_password)
+ self.keypairs[k] = (pubkey, c)
class OldAccount(Account):
compressed = False
return SecretToASecret( pk, compressed )
- def get_private_key(self, seed, sequence):
+
+ def get_private_key(self, sequence, wallet, password):
+ seed = wallet.get_seed(password)
+ self.check_seed(seed)
for_change, n = sequence
secexp = self.stretch_key(seed)
- return self.get_private_key_from_stretched_exponent(for_change, n, secexp)
+ pk = self.get_private_key_from_stretched_exponent(for_change, n, secexp)
+ return [pk]
+
def check_seed(self, seed):
curve = SECP256k1
secexp = self.stretch_key(seed)
master_private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve = SECP256k1 )
- master_public_key = master_private_key.get_verifying_key().to_string().encode('hex')
+ master_public_key = master_private_key.get_verifying_key().to_string()
if master_public_key != self.mpk:
- print_error('invalid password (mpk)')
- raise BaseException('Invalid password')
+ print_error('invalid password (mpk)', self.mpk.encode('hex'), master_public_key.encode('hex'))
+ raise Exception('Invalid password')
return True
def redeem_script(self, sequence):
return None
+ def get_master_pubkeys(self):
+ return [self.mpk.encode('hex')]
+
+ def get_type(self):
+ return _('Old Electrum format')
+
+ def get_keyID(self, sequence):
+ a, b = sequence
+ return 'old(%s,%d,%d)'%(self.mpk.encode('hex'),a,b)
+
+
class BIP32_Account(Account):
def __init__(self, v):
Account.__init__(self, v)
- self.c = v['c'].decode('hex')
- self.K = v['K'].decode('hex')
- self.cK = v['cK'].decode('hex')
+ self.xpub = v['xpub']
def dump(self):
d = Account.dump(self)
- d['c'] = self.c.encode('hex')
- d['K'] = self.K.encode('hex')
- d['cK'] = self.cK.encode('hex')
+ d['xpub'] = self.xpub
return d
def get_address(self, for_change, n):
def first_address(self):
return self.get_address(0,0)
- def get_pubkey(self, for_change, n):
- K = self.K
- chain = self.c
+ def get_master_pubkeys(self):
+ return [self.xpub]
+
+ def get_pubkey_from_x(self, xpub, for_change, n):
+ _, _, _, c, cK = deserialize_xkey(xpub)
for i in [for_change, n]:
- K, K_compressed, chain = CKD_prime(K, chain, i)
- return K_compressed.encode('hex')
+ cK, c = CKD_pub(cK, c, i)
+ return cK.encode('hex')
+
+ def get_pubkeys(self, sequence):
+ return sorted(map(lambda x: self.get_pubkey_from_x(x, *sequence), self.get_master_pubkeys()))
+
+ def get_pubkey(self, for_change, n):
+ return self.get_pubkeys((for_change, n))[0]
+
+
+ def get_private_key(self, sequence, wallet, password):
+ out = []
+ xpubs = self.get_master_pubkeys()
+ roots = [k for k, v in wallet.master_public_keys.iteritems() if v in xpubs]
+ for root in roots:
+ xpriv = wallet.get_master_private_key(root, password)
+ if not xpriv:
+ continue
+ _, _, _, c, k = deserialize_xkey(xpriv)
+ pk = bip32_private_key( sequence, k, c )
+ out.append(pk)
+
+ return out
+
def redeem_script(self, sequence):
return None
+ def get_type(self):
+ return _('Standard 1 of 1')
+
+ def get_keyID(self, sequence):
+ s = '/' + '/'.join( map(lambda x:str(x), sequence) )
+ return '&'.join( map(lambda x: 'bip32(%s,%s)'%(x, s), self.get_master_pubkeys() ) )
+
+ def get_name(self, k):
+ name = "Unnamed account"
+ m = re.match("m/(\d+)'", k)
+ if m:
+ num = m.group(1)
+ if num == '0':
+ name = "Main account"
+ else:
+ name = "Account %s"%num
+
+ return name
def __init__(self, v):
BIP32_Account.__init__(self, v)
- self.c2 = v['c2'].decode('hex')
- self.K2 = v['K2'].decode('hex')
- self.cK2 = v['cK2'].decode('hex')
+ self.xpub2 = v['xpub2']
def dump(self):
d = BIP32_Account.dump(self)
- d['c2'] = self.c2.encode('hex')
- d['K2'] = self.K2.encode('hex')
- d['cK2'] = self.cK2.encode('hex')
+ d['xpub2'] = self.xpub2
return d
- def get_pubkey2(self, for_change, n):
- K = self.K2
- chain = self.c2
- for i in [for_change, n]:
- K, K_compressed, chain = CKD_prime(K, chain, i)
- return K_compressed.encode('hex')
-
def redeem_script(self, sequence):
- chain, i = sequence
- pubkey1 = self.get_pubkey(chain, i)
- pubkey2 = self.get_pubkey2(chain, i)
- return Transaction.multisig_script([pubkey1, pubkey2], 2)
+ pubkeys = self.get_pubkeys(sequence)
+ return Transaction.multisig_script(pubkeys, 2)
def get_address(self, for_change, n):
address = hash_160_to_bc_address(hash_160(self.redeem_script((for_change, n)).decode('hex')), 5)
return address
+ def get_master_pubkeys(self):
+ return [self.xpub, self.xpub2]
+
+ def get_type(self):
+ return _('Multisig 2 of 2')
+
class BIP32_Account_2of3(BIP32_Account_2of2):
def __init__(self, v):
BIP32_Account_2of2.__init__(self, v)
- self.c3 = v['c3'].decode('hex')
- self.K3 = v['K3'].decode('hex')
- self.cK3 = v['cK3'].decode('hex')
+ self.xpub3 = v['xpub3']
def dump(self):
d = BIP32_Account_2of2.dump(self)
- d['c3'] = self.c3.encode('hex')
- d['K3'] = self.K3.encode('hex')
- d['cK3'] = self.cK3.encode('hex')
+ d['xpub3'] = self.xpub3
return d
- def get_pubkey3(self, for_change, n):
- K = self.K3
- chain = self.c3
- for i in [for_change, n]:
- K, K_compressed, chain = CKD_prime(K, chain, i)
- return K_compressed.encode('hex')
-
- def get_redeem_script(self, sequence):
- chain, i = sequence
- pubkey1 = self.get_pubkey(chain, i)
- pubkey2 = self.get_pubkey2(chain, i)
- pubkey3 = self.get_pubkey3(chain, i)
- return Transaction.multisig_script([pubkey1, pubkey2, pubkey3], 3)
+ def get_master_pubkeys(self):
+ return [self.xpub, self.xpub2, self.xpub3]
+
+ def get_type(self):
+ return _('Multisig 2 of 3')
+
+