def test_p2wpkh_p2sh() -> None:
"Test generation of a p2wpkh-p2sh wallet."
# https://bitcoinelectrum.com/creating-a-p2sh-segwit-wallet-with-electrum/
# https://www.youtube.com/watch?v=-1DBJWwA2Cw
p2wpkh_p2sh_xkey_version = NETWORKS["mainnet"].slip132_p2wpkh_p2sh_prv
mnemonics = [
"matrix fitness cook logic peace mercy dinosaur sign measure rescue alert turtle",
"chief popular furnace myth decline subject actual toddler plunge rug mixed unlock",
]
versions = ["segwit", "standard"]
addresses = [
"38Ysa2TRwGAGLEE1pgV2HCX7MAw6XsP6BJ",
"3A5u2RTjs3t33Kyc48zHA7Dfsr8Zsfwkoo",
]
for mnemonic, version, p2wpkh_p2sh_address in zip(mnemonics, versions,
addresses):
# this is an electrum mnemonic
assert electrum.version_from_mnemonic(mnemonic)[0] == version
# of course, it is invalid as BIP39 mnemonic
with pytest.raises(BTClibValueError, match="invalid checksum: "):
bip39.mxprv_from_mnemonic(mnemonic, "")
# nonetheless, let's use it as BIP39 mnemonic
rootxprv = bip39.mxprv_from_mnemonic(mnemonic,
"",
verify_checksum=False)
# and force the xkey version to p2wpkh_p2sh
mxprv = bip32.derive(rootxprv, "m/49h/0h/0h", p2wpkh_p2sh_xkey_version)
mxpub = bip32.xpub_from_xprv(mxprv)
# finally, verify the first receiving address
xpub = bip32.derive_from_account(mxpub, 0, 0)
assert p2wpkh_p2sh_address == slip132.address_from_xkey(xpub)
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)