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Code Issues Releases Wiki Activity

apps.common: introduce cache module instead of caching in global variables

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This commit is contained in:
Pavol Rusnak 2017-05-08 22:31:21 +02:00
parent 5e410a3b59
commit 16c7284e98
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GPG Key ID: 91F3B339B9A02A3D
4 changed files with 14 additions and 7 deletions
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6
src/apps/common/cache.py Normal file
View File

@ -0,0 +1,6 @@
seed = None
def clear():
global seed
seed = None

10
src/apps/common/seed.py
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@ -4,8 +4,6 @@ from trezor.crypto import bip39
_DEFAULT_CURVE = 'secp256k1' _DEFAULT_CURVE = 'secp256k1'
_cached_seed = None
async def get_root(session_id: int, curve_name=_DEFAULT_CURVE): async def get_root(session_id: int, curve_name=_DEFAULT_CURVE):
seed = await get_seed(session_id) seed = await get_seed(session_id)
@ -14,10 +12,10 @@ async def get_root(session_id: int, curve_name=_DEFAULT_CURVE):
async def get_seed(session_id: int) -> bytes: async def get_seed(session_id: int) -> bytes:
global _cached_seed from . import cache
if _cached_seed is None: if cache.seed is None:
_cached_seed = await compute_seed(session_id) cache.seed = await compute_seed(session_id)
return _cached_seed return cache.seed
async def compute_seed(session_id: int) -> bytes: async def compute_seed(session_id: int) -> bytes:

2
src/apps/common/storage.py
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@ -144,8 +144,10 @@ def load_settings(language: str=None,
def wipe(): def wipe():
from . import cache
lock() lock()
config.wipe() config.wipe()
cache.clear()
def new_device_id() -> str: def new_device_id() -> str:

3
tests/run_tests_python_trezor.sh
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@ -31,7 +31,7 @@ not passing:
test_msg_changepin.py \ test_msg_changepin.py \
test_msg_ethereum_signtx.py test_msg_ethereum_signtx.py
test_msg_getaddress_show.py test_msg_getaddress_show.py
test_msg_loaddevice.py test_msg_loaddevice_xprv.py
test_msg_ping.py test_msg_ping.py
test_msg_resetdevice.py test_msg_resetdevice.py
test_msg_recoverydevice.py test_msg_recoverydevice.py
@ -51,6 +51,7 @@ for i in \
test_msg_getaddress.py \ test_msg_getaddress.py \
test_msg_getentropy.py test_msg_getentropy.py
test_msg_getpublickey.py \ test_msg_getpublickey.py \
test_msg_loaddevice.py
test_msg_signidentity.py \ test_msg_signidentity.py \
test_msg_signmessage.py \ test_msg_signmessage.py \
test_msg_signtx.py \ test_msg_signtx.py \