def test_1(self):
lang = "en"
d = mnemonic_dict.word_list(lang)
self.assertIsInstance(d, list)
self.assertEqual(len(d), 2048)
length = mnemonic_dict.language_length(lang)
self.assertEqual(length, 2048)
bpw = mnemonic_dict.bits_per_word(lang)
self.assertEqual(bpw, 11)
test_mnemonic = "ozone drill grab fiber curtain grace " \
"pudding thank cruise elder eight picnic"
test_indexes = [
1268, 535, 810, 685, 433, 811, 1385, 1790, 421, 570, 567, 1313
]
indexes = mnemonic_dict.indexes_from_mnemonic(test_mnemonic, lang)
self.assertEqual(indexes, test_indexes)
mnemonic = mnemonic_dict.mnemonic_from_indexes(test_indexes, lang)
self.assertEqual(mnemonic, test_mnemonic)
entropy = mnemonic_dict.entropy_from_indexes(test_indexes, lang)
indexes = mnemonic_dict.indexes_from_entropy(entropy, lang)
self.assertEqual(indexes, test_indexes)
# entropy must be binary string or int
entropy = b'123456789abcdef0'
self.assertRaises(TypeError, mnemonic_dict.indexes_from_entropy,
entropy, lang)
def electrum_mnemonic_from_raw_entropy(raw_entropy: GenericEntropy, lang: str,
eversion: str) -> str:
# electrum considers entropy as integer, losing any leading zero
# https://github.com/spesmilo/electrum/blob/master/lib/mnemonic.py
int_entropy = int_from_entropy(raw_entropy)
assert eversion in ELECTRUM_MNEMONIC_VERSIONS, "unknown electrum mnemonic version"
invalid = True
while invalid:
str_entropy = str_from_entropy(int_entropy)
indexes = mnemonic_dict.indexes_from_entropy(str_entropy, lang)
mnemonic = mnemonic_dict.mnemonic_from_indexes(indexes, lang)
# version validity check
s = hmac.new(b"Seed version", mnemonic.encode('utf8'),
sha512).hexdigest()
if s.startswith(ELECTRUM_MNEMONIC_VERSIONS[eversion]): invalid = False
# next trial
int_entropy += 1
return mnemonic
def mnemonic_from_raw_entropy(raw_entropy: GenericEntropy, lang: str,
eversion: str) -> str:
# electrum considers entropy as integer, losing any leading zero
# https://github.com/spesmilo/electrum/blob/master/lib/mnemonic.py
int_entropy = int_from_entropy(raw_entropy)
if eversion not in ELECTRUM_MNEMONIC_VERSIONS:
m = f"mnemonic version '{eversion}' not in electrum allowed "
m += f"mnemonic versions {list(ELECTRUM_MNEMONIC_VERSIONS.keys())}"
raise ValueError(m)
invalid = True
while invalid:
str_entropy = str_from_entropy(int_entropy)
indexes = mnemonic_dict.indexes_from_entropy(str_entropy, lang)
mnemonic = mnemonic_dict.mnemonic_from_indexes(indexes, lang)
# version validity check
s = hmac.new(b"Seed version", mnemonic.encode('utf8'),
sha512).hexdigest()
if s.startswith(ELECTRUM_MNEMONIC_VERSIONS[eversion]):
invalid = False
# next trial
int_entropy += 1
return mnemonic
def mnemonic_from_raw_entropy(raw_entr: GenericEntropy, lang: str) -> str:
entropy = entropy_from_raw_entropy(raw_entr)
indexes = mnemonic_dict.indexes_from_entropy(entropy, lang)
mnemonic = mnemonic_dict.mnemonic_from_indexes(indexes, lang)
return mnemonic