# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+import bitcoin
from bitcoin import *
from i18n import _
-from transaction import Transaction
-
+from transaction import Transaction, is_extended_pubkey
+from util import print_msg
class Account(object):
def __init__(self, v):
- self.addresses = v.get('0', [])
- self.change = v.get('1', [])
+ self.receiving_pubkeys = v.get('receiving', [])
+ self.change_pubkeys = v.get('change', [])
+ # addresses will not be stored on disk
+ self.receiving_addresses = map(self.pubkeys_to_address, self.receiving_pubkeys)
+ self.change_addresses = map(self.pubkeys_to_address, self.change_pubkeys)
def dump(self):
- return {'0':self.addresses, '1':self.change}
+ return {'receiving':self.receiving_pubkeys, 'change':self.change_pubkeys}
+
+ def get_pubkey(self, for_change, n):
+ pubkeys_list = self.change_pubkeys if for_change else self.receiving_pubkeys
+ return pubkeys_list[n]
+
+ def get_address(self, for_change, n):
+ addr_list = self.change_addresses if for_change else self.receiving_addresses
+ return addr_list[n]
+
+ def get_pubkeys(self, for_change, n):
+ return [ self.get_pubkey(for_change, n)]
def get_addresses(self, for_change):
- return self.change[:] if for_change else self.addresses[:]
+ addr_list = self.change_addresses if for_change else self.receiving_addresses
+ return addr_list[:]
+
+ def derive_pubkeys(self, for_change, n):
+ pass
def create_new_address(self, for_change):
- addresses = self.change if for_change else self.addresses
- n = len(addresses)
- address = self.get_address( for_change, n)
- addresses.append(address)
- print address
+ pubkeys_list = self.change_pubkeys if for_change else self.receiving_pubkeys
+ addr_list = self.change_addresses if for_change else self.receiving_addresses
+ n = len(pubkeys_list)
+ pubkeys = self.derive_pubkeys(for_change, n)
+ address = self.pubkeys_to_address(pubkeys)
+ pubkeys_list.append(pubkeys)
+ addr_list.append(address)
+ print_msg(address)
return address
- def get_address(self, for_change, n):
- pass
-
- def get_pubkeys(self, sequence):
- return [ self.get_pubkey( *sequence )]
+ def pubkeys_to_address(self, pubkey):
+ return public_key_to_bc_address(pubkey.decode('hex'))
def has_change(self):
return True
class PendingAccount(Account):
def __init__(self, v):
- self.addresses = [ v['pending'] ]
- self.change = []
+ self.pending_address = v['pending']
+
+ def get_addresses(self, is_change):
+ return [self.pending_address]
def has_change(self):
return False
def dump(self):
- return {'pending':self.addresses[0]}
+ return {'pending':self.pending_address }
def get_name(self, k):
return _('Pending account')
+ def get_master_pubkeys(self):
+ return []
class ImportedAccount(Account):
def __init__(self, d):
for_change, i = sequence
assert for_change == 0
addr = self.get_addresses(0)[i]
- return self.keypairs[addr][i][0]
+ return self.keypairs[addr][0]
+
+ def get_xpubkeys(self, for_change, n):
+ return self.get_pubkeys(for_change, n)
def get_private_key(self, sequence, wallet, password):
from wallet import pw_decode
""" Privatekey(type,n) = Master_private_key + H(n|S|type) """
def __init__(self, v):
- self.addresses = v.get(0, [])
- self.change = v.get(1, [])
+ Account.__init__(self, v)
self.mpk = v['mpk'].decode('hex')
- def dump(self):
- return {0:self.addresses, 1:self.change}
@classmethod
def mpk_from_seed(klass, seed):
seed = hashlib.sha256(seed + oldseed).digest()
return string_to_number( seed )
- def get_sequence(self, for_change, n):
- return string_to_number( Hash( "%d:%d:"%(n,for_change) + self.mpk ) )
+ @classmethod
+ def get_sequence(self, mpk, for_change, n):
+ return string_to_number( Hash( "%d:%d:"%(n,for_change) + mpk ) )
def get_address(self, for_change, n):
pubkey = self.get_pubkey(for_change, n)
address = public_key_to_bc_address( pubkey.decode('hex') )
return address
- def get_pubkey(self, for_change, n):
+ @classmethod
+ def get_pubkey_from_mpk(self, mpk, for_change, n):
curve = SECP256k1
- mpk = self.mpk
- z = self.get_sequence(for_change, n)
+ z = self.get_sequence(mpk, for_change, n)
master_public_key = ecdsa.VerifyingKey.from_string( mpk, curve = SECP256k1 )
pubkey_point = master_public_key.pubkey.point + z*curve.generator
public_key2 = ecdsa.VerifyingKey.from_public_point( pubkey_point, curve = SECP256k1 )
return '04' + public_key2.to_string().encode('hex')
+ def derive_pubkeys(self, for_change, n):
+ return self.get_pubkey_from_mpk(self.mpk, for_change, n)
+
def get_private_key_from_stretched_exponent(self, for_change, n, secexp):
order = generator_secp256k1.order()
- secexp = ( secexp + self.get_sequence(for_change, n) ) % order
+ secexp = ( secexp + self.get_sequence(self.mpk, for_change, n) ) % order
pk = number_to_string( secexp, generator_secp256k1.order() )
compressed = False
return SecretToASecret( pk, compressed )
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)
+ def get_xpubkeys(self, sequence):
+ s = ''.join(map(lambda x: bitcoin.int_to_hex(x,2), sequence))
+ mpk = self.mpk.encode('hex')
+ x_pubkey = 'fe' + mpk + s
+ return [ x_pubkey ]
+ @classmethod
+ def parse_xpubkey(self, x_pubkey):
+ assert is_extended_pubkey(x_pubkey)
+ pk = x_pubkey[2:]
+ mpk = pk[0:128]
+ dd = pk[128:]
+ s = []
+ while dd:
+ n = int(bitcoin.rev_hex(dd[0:4]), 16)
+ dd = dd[4:]
+ s.append(n)
+ assert len(s) == 2
+ return mpk, s
class BIP32_Account(Account):
d['xpub'] = self.xpub
return d
- def get_address(self, for_change, n):
- pubkey = self.get_pubkey(for_change, n)
- address = public_key_to_bc_address( pubkey.decode('hex') )
- return address
-
def first_address(self):
- return self.get_address(0,0)
+ pubkeys = self.derive_pubkeys(0, 0)
+ address = self.pubkeys_to_address(pubkeys)
+ return address
def get_master_pubkeys(self):
return [self.xpub]
- def get_pubkey_from_x(self, xpub, for_change, n):
+ @classmethod
+ def derive_pubkey_from_xpub(self, xpub, for_change, n):
_, _, _, c, cK = deserialize_xkey(xpub)
for i in [for_change, n]:
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_from_xpub(self, xpub, for_change, n):
+ xpubs = self.get_master_pubkeys()
+ i = xpubs.index(xpub)
+ pubkeys = self.get_pubkeys(sequence, n)
+ return pubkeys[i]
- def get_pubkey(self, for_change, n):
- return self.get_pubkeys((for_change, n))[0]
+ def derive_pubkeys(self, for_change, n):
+ return self.derive_pubkey_from_xpub(self.xpub, for_change, n)
def get_private_key(self, sequence, wallet, password):
_, _, _, 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_xpubkeys(self, for_change, n):
+ # unsorted
+ s = ''.join(map(lambda x: bitcoin.int_to_hex(x,2), (for_change,n)))
+ xpubs = self.get_master_pubkeys()
+ return map(lambda xpub: 'ff' + bitcoin.DecodeBase58Check(xpub).encode('hex') + s, xpubs)
+
+ @classmethod
+ def parse_xpubkey(self, pubkey):
+ assert is_extended_pubkey(pubkey)
+ pk = pubkey.decode('hex')
+ pk = pk[1:]
+ xkey = bitcoin.EncodeBase58Check(pk[0:78])
+ dd = pk[78:]
+ s = []
+ while dd:
+ n = int( bitcoin.rev_hex(dd[0:2].encode('hex')), 16)
+ dd = dd[2:]
+ s.append(n)
+ assert len(s) == 2
+ return xkey, s
+
def get_name(self, k):
name = "Unnamed account"
d['xpub2'] = self.xpub2
return d
- def redeem_script(self, sequence):
- pubkeys = self.get_pubkeys(sequence)
- return Transaction.multisig_script(pubkeys, 2)
+ def get_pubkeys(self, for_change, n):
+ return self.get_pubkey(for_change, n)
- def get_address(self, for_change, n):
- address = hash_160_to_bc_address(hash_160(self.redeem_script((for_change, n)).decode('hex')), 5)
+ def derive_pubkeys(self, for_change, n):
+ return map(lambda x: self.derive_pubkey_from_xpub(x, for_change, n), self.get_master_pubkeys())
+
+ def redeem_script(self, for_change, n):
+ pubkeys = self.get_pubkeys(for_change, n)
+ return Transaction.multisig_script(sorted(pubkeys), 2)
+
+ def pubkeys_to_address(self, pubkeys):
+ redeem_script = Transaction.multisig_script(sorted(pubkeys), 2)
+ address = hash_160_to_bc_address(hash_160(redeem_script.decode('hex')), 5)
return address
+ def get_address(self, for_change, n):
+ return self.pubkeys_to_address(self.get_pubkeys(for_change, n))
+
def get_master_pubkeys(self):
return [self.xpub, self.xpub2]
git://git.novaco.in / electrum-nvc.git / blobdiff