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Merge pull request #256 from ethereum/clarify_abbreviations

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Re-implement Clarifies when abbreviated words are used
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Hsiao-Wei Wang 2022-03-29 08:20:05 -07:00 committed by GitHub
commit dc6fa0c6a0
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1 changed files with 5 additions and 5 deletions
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staking_deposit/key_handling/key_derivation/mnemonic.py
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@ -111,13 +111,13 @@ def reconstruct_mnemonic(mnemonic: str, words_path: str) -> Optional[str]:
reconstructed_mnemonic = None
for language in languages:
try:
word_list = abbreviate_words(_get_word_list(language, words_path))
mnemonic_list = abbreviate_words(mnemonic.lower().split(' '))
if len(mnemonic_list) not in range(12, 25, 3):
abbrev_word_list = abbreviate_words(_get_word_list(language, words_path))
abbrev_mnemonic_list = abbreviate_words(mnemonic.lower().split(' '))
if len(abbrev_mnemonic_list) not in range(12, 25, 3):
return None
word_indices = [_word_to_index(word_list, word) for word in mnemonic_list]
word_indices = [_word_to_index(abbrev_word_list, word) for word in abbrev_mnemonic_list]
mnemonic_int = _uint11_array_to_uint(word_indices)
checksum_length = len(mnemonic_list) // 3
checksum_length = len(abbrev_mnemonic_list) // 3
checksum = mnemonic_int & 2**checksum_length - 1
entropy = (mnemonic_int - checksum) >> checksum_length
entropy_bits = entropy.to_bytes(checksum_length * 4, 'big')