def is_xprv(text):
if text[0:4] not in ('xpriv'):
return False
try:
deserialize_xkey(text)
return True
except:
return False
def is_xpub(text):
if text[0:4] not in ('xpub', 'xq5h'):
return False
try:
deserialize_xkey(text)
return True
except:
return False
def check_password(self, password):
xprv = pw_decode(self.xprv, password)
if deserialize_xkey(xprv)[3] != deserialize_xkey(self.xpub)[3]:
raise InvalidPassword()
def get_private_key(self, sequence, password):
xprv = self.get_master_private_key(password)
_, _, _, c, k = deserialize_xkey(xprv)
pk = bip32_private_key(sequence, k, c)
return pk
def get_pubkey_from_xpub(self, xpub, sequence):
_, _, _, c, cK = deserialize_xkey(xpub)
for i in sequence:
cK, c = CKD_pub(cK, c, i)
return cK.encode('hex')