def test_bip32_descend():
master = btc.bip32_master_key(b'\x07' * 32)
end_key = btc.bip32_descend(master, [2, 3, 10000])
assert end_key == binascii.unhexlify(
"6856ef965940a1a7b1311dc041050ac0013e326c7ff4e2c677a7694b4f0405c901")
end_key = btc.bip32_descend(master, 2, 5, 4, 5)
assert end_key == binascii.unhexlify(
"d2d816b6485103c0d7ff95482788f0e8e73fa11817079e006d47979d8196c4b101")
def test_bip32_vector(vector):
master = btc.bip32_master_key(vector['seed'])
assert master == vector['keys'][0][0], 'failed: master xpriv'
masterpub = btc.bip32_privtopub(master)
assert masterpub == vector['keys'][0][1], 'failed: master xpub'
currentkey = master
for i in range(1, len(vector['depths'])):
currentkey = btc.bip32_ckd(currentkey, vector['depths'][i])
print(currentkey)
print(vector['keys'][i][0])
assert currentkey == vector['keys'][i][
0], 'failed: child priv key, should be: ' + vector['keys'][i][0]
pub = btc.bip32_privtopub(currentkey)
print(pub)
print(vector['keys'][i][1])
assert pub == vector['keys'][i][
1], 'failed: child pub key, should be: ' + vector['keys'][i][1]
def derive_bip32_master_key(cls, seed):
# FIXME: slight encoding mess
return btc.bip32_deserialize(
btc.bip32_master_key(seed, vbytes=cls.BIP32_priv_vbytes))
