def test_vectors():
fname = "electrum_test_vectors.json"
filename = path.join(path.dirname(__file__), "test_data", fname)
with open(filename, "r") as f:
test_vectors = json.load(f)
lang = "en"
for test_vector in test_vectors:
mnemonic = test_vector[0]
passphrase = test_vector[1]
mxprv = test_vector[2]
mxpub = test_vector[3]
address = test_vector[4] # "./0/0"
if mnemonic != "":
mxprv2 = bip32.mxprv_from_electrum_mnemonic(mnemonic, passphrase)
assert mxprv2 == mxprv.encode()
eversion, mnemonic = electrum.version_from_mnemonic(mnemonic)
entr = int(electrum.entropy_from_mnemonic(mnemonic, lang), 2)
mnem = electrum.mnemonic_from_entropy(entr, eversion, lang)
assert mnem == mnemonic
if mxprv != "":
mxpub2 = bip32.xpub_from_xprv(mxprv)
assert mxpub2 == mxpub.encode()
xpub = bip32.derive(mxpub, "./0/0")
address2 = slip32.address_from_xpub(xpub).decode("ascii")
assert address2 == address
def test_mnemonic():
lang = "en"
entropy = 0x110AAAA03974D093EDA670121023CD0772
eversion = "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(entropy, eversion, lang)
assert mnemonic == mnemonic2
entr = int(electrum.entropy_from_mnemonic(mnemonic, lang), 2)
assert entr - entropy < 0xFFF
passphrase = ""
xprv = b"xprv9s21ZrQH143K2tn5j4pmrLXkS6dkbuX6mFhJfCxAwN6ofRo5ddCrLRWogKEs1AptPmLgrthKxU2csfBgkoKECWtj1XMRicRsoWawukaRQft"
xprv2 = bip32.mxprv_from_electrum_mnemonic(mnemonic, passphrase)
assert xprv2 == xprv
eversion = "std"
with pytest.raises(ValueError,
match="unknown electrum mnemonic version: "):
electrum.mnemonic_from_entropy(entropy, eversion, lang)
unkn_ver = "ability awful fetch liberty company spatial panda hat then canal ball cross video"
with pytest.raises(ValueError,
match="unknown electrum mnemonic version: "):
electrum.entropy_from_mnemonic(unkn_ver, lang)
with pytest.raises(ValueError,
match="unknown electrum mnemonic version: "):
bip32.mxprv_from_electrum_mnemonic(unkn_ver, passphrase)
for eversion in ("2fa", "2fa_segwit"):
mnemonic = electrum.mnemonic_from_entropy(entropy, eversion, lang)
with pytest.raises(ValueError,
match="unmanaged electrum mnemonic version: "):
bip32.mxprv_from_electrum_mnemonic(mnemonic, passphrase)
mnemonic = "slender flight session office noodle hand couple option office wait uniform morning"
assert "2fa_segwit" == electrum.version_from_mnemonic(mnemonic)[0]
mnemonic = (
"history recycle company awful donor fold beef nominee hard bleak bracket six"
)
assert "2fa" == electrum.version_from_mnemonic(mnemonic)[0]
def test_mnemonic(self):
lang = "en"
entropy = 0x110AAAA03974D093EDA670121023CD0772
eversion = "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(entropy, eversion, lang)
self.assertEqual(mnemonic, mnemonic2)
entr = int(electrum.entropy_from_mnemonic(mnemonic, lang), 2)
self.assertLess(entr - entropy, 0xFFF)
# mnemonic version not in electrum allowed mnemonic versions
eversion = "std"
self.assertRaises(ValueError, electrum.mnemonic_from_entropy, entropy,
eversion, lang)
# electrum.mnemonic_from_entropy(entropy, eversion, lang)
# unknown electrum mnemonic version (00c)
unknown_version = ("ability awful fetch liberty company spatial "
"panda hat then canal ball cross video")
self.assertRaises(ValueError, electrum.entropy_from_mnemonic,
unknown_version, lang)
# electrum.entropy_from_mnemonic(unknown_version, lang)
passphrase = ""
# unknown electrum mnemonic version (00c)
self.assertRaises(ValueError, bip32.mxprv_from_electrum_mnemonic,
unknown_version, passphrase)
# bip32.mxprv_from_electrum_mnemonic(mnemonic, passphrase)
xprv = ("xprv9s21ZrQH143K2tn5j4pmrLXkS6dkbuX6mFhJfCxAwN6ofRo5ddCrLRWo"
"gKEs1AptPmLgrthKxU2csfBgkoKECWtj1XMRicRsoWawukaRQft")
xprv2 = bip32.mxprv_from_electrum_mnemonic(mnemonic, passphrase)
self.assertEqual(xprv2, xprv.encode())
eversion = "2fa"
mnemonic = electrum.mnemonic_from_entropy(entropy, eversion, lang)
# 2fa mnemonic version is not managed yet
self.assertRaises(ValueError, bip32.mxprv_from_electrum_mnemonic,
mnemonic, passphrase)
# bip32.mxprv_from_electrum_mnemonic(mnemonic, passphrase)
eversion = "2fa_segwit"
mnemonic = electrum.mnemonic_from_entropy(entropy, eversion, lang)
# 2fa_segwit mnemonic version is not managed yet
self.assertRaises(ValueError, bip32.mxprv_from_electrum_mnemonic,
mnemonic, passphrase)
def test_vectors(self):
fname = "electrum_test_vectors.json"
filename = path.join(path.dirname(__file__), "test_data", fname)
with open(filename, "r") as f:
test_vectors = json.load(f)
lang = "en"
for test_vector in test_vectors:
mnemonic = test_vector[0]
passphrase = test_vector[1]
mxprv = test_vector[2]
mxpub = test_vector[3]
address = test_vector[4] # "./0/0"
if mnemonic != "":
mxprv2 = bip32.mxprv_from_electrum_mnemonic(
mnemonic, passphrase)
self.assertEqual(mxprv2, mxprv.encode())
eversion, mnemonic = electrum.version_from_mnemonic(mnemonic)
entr = int(electrum.entropy_from_mnemonic(mnemonic, lang), 2)
mnem = electrum.mnemonic_from_entropy(entr, eversion, lang)
self.assertEqual(mnem, mnemonic)
if mxprv != "":
mxpub2 = bip32.xpub_from_xprv(mxprv)
self.assertEqual(mxpub2, mxpub.encode())
xpub = bip32.derive(mxpub, "./0/0")
address2 = slip32.address_from_xpub(xpub).decode("ascii")
self.assertEqual(address2, address)
# version 2fa_segwit
mnemonic = ("slender flight session office noodle hand "
"couple option office wait uniform morning")
self.assertEqual("2fa_segwit",
electrum.version_from_mnemonic(mnemonic)[0])
# version 2fa
mnemonic = ("history recycle company awful donor fold "
"beef nominee hard bleak bracket six")
self.assertEqual("2fa", electrum.version_from_mnemonic(mnemonic)[0])
def test_vectors() -> None:
fname = "electrum_test_vectors.json"
filename = path.join(path.dirname(__file__), "test_data", fname)
with open(filename, "r") as f:
test_vectors = json.load(f)
lang = "en"
for mnemonic, passphrase, rmxprv, rmxpub, address in test_vectors:
if mnemonic != "":
mxprv2 = bip32.mxprv_from_electrum_mnemonic(mnemonic, passphrase)
assert mxprv2 == rmxprv.encode()
eversion, mnemonic = electrum.version_from_mnemonic(mnemonic)
entr = int(electrum.entropy_from_mnemonic(mnemonic, lang), 2)
mnem = electrum.mnemonic_from_entropy(entr, eversion, lang)
assert mnem == mnemonic
assert rmxpub.encode() == bip32.xpub_from_xprv(rmxprv)
xprv = bip32.derive(rmxprv, "m/0h/0")
address2 = slip132.address_from_xkey(xprv).decode("ascii")
assert address2 == address
# No part of btclib including this file, may be copied, modified, propagated,
# or distributed except according to the terms contained in the LICENSE file.
import secrets
from btclib import bip32, bip39, electrum
entropy = secrets.randbits(256)
bip39_mnemonic = bip39.mnemonic_from_entropy(entropy)
print()
print(bip39_mnemonic)
rxprv = bip32.mxprv_from_bip39_mnemonic(bip39_mnemonic)
rxpub = bip32.xpub_from_xprv(rxprv)
# warning: first level should always be hardened
# or any (depth=1) child private key would compromise rxprv
path = "m/0h"
xprv = bip32.derive(rxprv, path)
print(path + f" : {xprv!r}")
electrum_mnemonic = electrum.mnemonic_from_entropy(entropy)
print()
print(electrum_mnemonic)
mxprv = bip32.mxprv_from_electrum_mnemonic(electrum_mnemonic)
mxpub = bip32.xpub_from_xprv(mxprv)
# warning: first level should always be hardened
# or any (depth=1) child private key would compromise mxprv
path = "m/0h"
xprv = bip32.derive(mxprv, path)
print(path + f" : {xprv!r}")