Files
seedPass/src/tests/test_bip85_derivation_path.py
2025-08-12 09:41:37 -04:00

53 lines
1.1 KiB
Python

from local_bip85.bip85 import BIP85
class DummyChild:
def PrivateKey(self):
return self
def Raw(self):
return self
def ToBytes(self):
return b"\x00" * 32
class DummyCtx:
def __init__(self):
self.last_path = None
def DerivePath(self, path: str):
self.last_path = path
return DummyChild()
def test_derivation_paths_for_entropy_lengths():
bip85 = BIP85(b"\x00" * 64)
ctx = DummyCtx()
bip85.bip32_ctx = ctx
vectors = [
(16, 12),
(24, 18),
(32, 24),
]
for entropy_bytes, word_count in vectors:
bip85.derive_entropy(
index=0,
entropy_bytes=entropy_bytes,
app_no=39,
word_count=word_count,
)
assert ctx.last_path == f"m/83696968'/39'/0'/{word_count}'/0'"
def test_default_word_count_from_entropy_bytes():
bip85 = BIP85(b"\x00" * 64)
ctx = DummyCtx()
bip85.bip32_ctx = ctx
bip85.derive_entropy(index=5, entropy_bytes=20, app_no=39)
assert ctx.last_path == "m/83696968'/39'/0'/20'/5'"