def test_mnemonic() -> None:
lang = "en"
entropy = 0x110AAAA03974D093EDA670121023CD0772
mnemonic_type = "standard"
# FIXME: is the following mnemonic obtained in Electrum
# from the above entropy?
mnemonic = "ability awful fetch liberty company spatial panda hat then canal ball crouch bunker"
mnemonic2 = electrum.mnemonic_from_entropy(mnemonic_type, entropy, lang)
assert mnemonic == mnemonic2
entr = int(electrum.entropy_from_mnemonic(mnemonic, lang), 2)
assert entr - entropy < 0xFFF
xprv = "xprv9s21ZrQH143K2tn5j4pmrLXkS6dkbuX6mFhJfCxAwN6ofRo5ddCrLRWogKEs1AptPmLgrthKxU2csfBgkoKECWtj1XMRicRsoWawukaRQft"
xprv2 = electrum.mxprv_from_mnemonic(mnemonic)
assert xprv2 == xprv
mnemonic_type = "std"
with pytest.raises(BTClibValueError,
match="unknown electrum mnemonic version: "):
electrum.mnemonic_from_entropy(mnemonic_type, entropy, lang)
unkn_ver = "ability awful fetch liberty company spatial panda hat then canal ball cross video"
with pytest.raises(BTClibValueError,
match="unknown electrum mnemonic version: "):
electrum.entropy_from_mnemonic(unkn_ver, lang)
with pytest.raises(BTClibValueError,
match="unknown electrum mnemonic version: "):
electrum.mxprv_from_mnemonic(unkn_ver)
for mnemonic_type in ("2fa", "2fa_segwit"):
mnemonic = electrum.mnemonic_from_entropy(mnemonic_type, entropy, lang)
with pytest.raises(BTClibValueError,
match="unmanaged electrum mnemonic version: "):
electrum.mxprv_from_mnemonic(mnemonic)
mnemonic = "slender flight session office noodle hand couple option office wait uniform morning"
assert electrum.version_from_mnemonic(mnemonic)[0] == "2fa_segwit"
mnemonic = (
"history recycle company awful donor fold beef nominee hard bleak bracket six"
)
assert electrum.version_from_mnemonic(mnemonic)[0] == "2fa"
def test_vectors() -> None:
fname = "electrum_test_vectors.json"
filename = path.join(path.dirname(__file__), "_data", fname)
with open(filename, "r", encoding="ascii") as file_:
electrum_test_vectors = json.load(file_)
lang = "en"
for mnemonic, passphrase, rmxprv, rmxpub, address in electrum_test_vectors:
if mnemonic != "":
assert rmxprv == electrum.mxprv_from_mnemonic(mnemonic, passphrase)
mnemonic_type, mnemonic = electrum.version_from_mnemonic(mnemonic)
entr = int(electrum.entropy_from_mnemonic(mnemonic, lang), 2)
mnem = electrum.mnemonic_from_entropy(mnemonic_type, entr, lang)
assert mnem == mnemonic
assert rmxpub == bip32.xpub_from_xprv(rmxprv)
xprv = bip32.derive(rmxprv, "m/0h/0")
assert address == slip132.address_from_xkey(xprv)
def test_mnemonic_from_entropy() -> None:
# zero leading bit should not throw an error
electrum.mnemonic_from_entropy("standard", secrets.randbits(127), "en")
# random mnemonic
electrum.mnemonic_from_entropy()