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_derive_from_account() -> None:
seed = "bfc4cbaad0ff131aa97fa30a48d09ae7df914bcc083af1e07793cd0a7c61a03f65d622848209ad3366a419f4718a80ec9037df107d8d12c19b83202de00a40ad"
rmxprv = rootxprv_from_seed(seed)
der_path = "m / 44 h / 0 h"
mxpub = xpub_from_xprv(derive(rmxprv, der_path))
test_vectors = [
[0, 0],
[0, 1],
[0, 2],
[1, 0],
[1, 1],
[1, 2],
]
for branch, index in test_vectors:
full_path = der_path + f"/{branch}/{index}"
addr = p2pkh(derive(rmxprv, full_path))
assert addr == p2pkh(derive_from_account(mxpub, branch, index))
err_msg = "invalid private derivation at branch level"
with pytest.raises(BTClibValueError, match=err_msg):
derive_from_account(mxpub, 0x80000000, 0, True)
err_msg = "too high branch: "
with pytest.raises(BTClibValueError, match=err_msg):
derive_from_account(mxpub, 0xFFFF + 1, 0)
err_msg = "invalid branch: "
with pytest.raises(BTClibValueError, match=err_msg):
derive_from_account(mxpub, 2, 0)
err_msg = "invalid private derivation at address index level"
with pytest.raises(BTClibValueError, match=err_msg):
derive_from_account(mxpub, 0, 0x80000000)
err_msg = "too high address index: "
with pytest.raises(BTClibValueError, match=err_msg):
derive_from_account(mxpub, 0, 0xFFFF + 1)
der_path = "m / 44 h / 0"
mxpub = xpub_from_xprv(derive(rmxprv, der_path))
err_msg = "unhardened account/master key"
with pytest.raises(BTClibValueError, match=err_msg):
derive_from_account(mxpub, 0, 0)