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added additional input key check

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This commit is contained in:
Alexey Karyabkin 2018-06-14 15:08:16 +04:00
parent 70a35822f1
commit cd99ecb261
1 changed files with 29 additions and 27 deletions
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12
pybtc/hdwallet.py
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@ -136,24 +136,26 @@ def create_parent_pubkey_hdwallet(master_key):
# Создание дочернего приватного ключа # Создание дочернего приватного ключа
def create_child_privkey(key, child_idx): def create_child_privkey(key, child_idx):
if key['is_private']:
expanded_privkey = create_expanded_key(key, child_idx) expanded_privkey = create_expanded_key(key, child_idx)
if expanded_pubkey: if expanded_privkey:
child_chain_code = expanded_pubkey[32:] child_chain_code = expanded_privkey[32:]
child_privkey = add_private_keys(expanded_pubkey[:32], key['key']) child_privkey = add_private_keys(expanded_privkey[:32], key['key'])
if validate_private_key(child_privkey): if validate_private_key(child_privkey):
finger_print = hash160(priv2pub(key['key']))[:4] finger_print = hash160(priv2pub(key['key']))[:4]
return dict(version=key['version'], return dict(version=key['version'],
key=child_pubkey, key=child_privkey,
depth=key['depth'] + 1, depth=key['depth'] + 1,
child=child_idx, child=child_idx,
finger_print=finger_print, finger_print=finger_print,
chain_code=child_chain_code, chain_code=child_chain_code,
is_private=False) is_private=True)
return None return None
# создание дочернего публичного ключа # создание дочернего публичного ключа
def create_child_pubkey(key, child_idx): def create_child_pubkey(key, child_idx):
if not key['is_private']:
expanded_pubkey = create_expanded_key(key, child_idx) expanded_pubkey = create_expanded_key(key, child_idx)
if expanded_pubkey: if expanded_pubkey:
child_chain_code = expanded_pubkey[32:] child_chain_code = expanded_pubkey[32:]