def is_old_seed(seed):
import old_mnemonic, mnemonic
seed = mnemonic.normalize_text(seed)
words = seed.strip().split()
try:
old_mnemonic.mn_decode(words)
uses_uwallet_words = True
except Exception:
uses_uwallet_words = False
try:
seed.decode('hex')
is_hex = (len(seed) == 32 or len(seed) == 64)
except Exception:
is_hex = False
return is_hex or (uses_uwallet_words and
(len(words) == 12 or len(words) == 24))
def is_new_seed(x, prefix=version.SEED_PREFIX):
import mnemonic
x = mnemonic.normalize_text(x)
s = hmac_sha_512("Seed version", x.encode('utf8')).encode('hex')
return s.startswith(prefix)
def is_new_seed(x, prefix=version.SEED_PREFIX):
import mnemonic
x = mnemonic.normalize_text(x)
s = hmac_sha_512("Seed version", x.encode('utf8')).encode('hex')
return s.startswith(prefix)
