firmware/testing/test_vdisk.py
2022-07-29 09:05:45 -04:00

286 lines
8.9 KiB
Python

# (c) Copyright 2021 by Coinkite Inc. This file is covered by license found in COPYING-CC.
#
# Mk4 Virtual Disk related tests.
#
import pytest, glob, sys, os, pdb, re, time
from helpers import B2A
from binascii import b2a_hex, a2b_hex
from struct import pack, unpack
import ndef
from hashlib import sha256
from txn import *
from base64 import b64encode, b64decode
@pytest.fixture(scope='module')
def virtdisk_path(request, is_simulator, only_mk4):
# get a path to indicated filename on emulated/shared dir
def doit(fn):
# could use: ckcc.get_sim_root_dirs() here
if is_simulator():
assert os.path.isdir('../unix/work/VirtDisk')
return '../unix/work/VirtDisk/' + fn
elif sys.platform == 'darwin':
if not request.config.getoption("--manual"):
raise pytest.fail('must use --manual CLI option')
return '/Volumes/COLDCARD/' + fn
else:
raise pytest.fail('need to know where Mk4 gets mounted')
return doit
@pytest.fixture(scope='module')
def virtdisk_wipe(dev, only_mk4, virtdisk_path):
def doit():
for fn in glob.glob(virtdisk_path('*')):
if os.path.isdir(fn): continue
if 'readme' in fn.lower(): continue
if 'gitignore' in fn: continue
assert fn.lower().rsplit('.', 1)[1] in { 'txt', 'psbt', 'txn' }
print(f'RM {fn}')
os.remove(fn)
return doit
def test_vd_basics(dev, virtdisk_path, is_simulator):
# Check right files are in place.
if is_simulator():
assert os.path.isfile(virtdisk_path('README.md'))
return
assert os.path.isfile(virtdisk_path('README.txt'))
assert os.path.isdir(virtdisk_path('ident'))
for fn in ['serial.txt', 'version.txt']:
assert os.path.isfile(virtdisk_path(f'ident/{fn}'))
sn = open(virtdisk_path('ident/serial.txt'), 'rt').read().strip()
assert sn == dev.serial
assert os.path.isfile(virtdisk_path(f'ident/ckcc-{sn}.txt'))
@pytest.fixture
def try_sign_virtdisk(need_keypress, virtdisk_path, cap_story, virtdisk_wipe):
# like "try_sign" but use Virtual Disk to send/receive PSBT/results
# - on real dev, need user to manually say yes ... alot
# - on simulator, start with "--eject" arg so no SDCard emulated
def doit(f_or_data, accept=True, expect_finalize=False, accept_ms_import=False, complete=False, encoding='binary'):
assert not accept_ms_import, 'no support'
assert accept, 'no support'
virtdisk_wipe()
if f_or_data[0:5] == b'psbt\xff':
ip = f_or_data
filename = 'memory'
else:
filename = f_or_data
ip = open(f_or_data, 'rb').read()
if ip[0:10] == b'70736274ff':
ip = a2b_hex(ip.strip())
assert ip[0:5] == b'psbt\xff'
if encoding == 'hex':
ip = b2a_hex(ip)
elif encoding == 'base64':
ip = b64encode(ip)
else:
assert encoding == 'binary'
assert ip[0:5] == b'psbt\xff'
# clear old junk
virtdisk_wipe()
xfn = virtdisk_path('testcase.psbt')
open(xfn, 'wb').write(ip)
need_keypress('y') # ready to sign (hopefully)
# CC scans drive, reads PSBT, verifies...
time.sleep(1)
# approve siging txn
need_keypress('y' if accept else 'x')
if accept == False:
time.sleep(0.050)
# look for "Aborting..." ??
return ip, None, None
# wait for it to finish signing
title, story = cap_story()
if "OK TO SEND" in title or "PSBT Signed" in title:
need_keypress('y')
result_fn = xfn.replace('.psbt', '-*.psbt')
result_txn = xfn.replace('.psbt', '.txn')
got_psbt = None
got_txn = None
txid, got_txid = None, None
for i in range(15):
try:
got_txn = open(result_txn, 'rb').read()
except FileNotFoundError as e:
print(e)
pass
lst = glob.glob(result_fn)
if lst:
assert len(lst) == 1, "multi files: " + ', '.join(lst)
result_fn = lst[0]
got_psbt = open(result_fn, 'rb').read()
# for delete-psbt mode
for ff in glob.glob(virtdisk_path('*.txn')):
if ff == result_txn: continue
try:
got_txid = re.findall(r'[0-9a-f]{64}', ff)[0]
except IndexError:
got_txid = None
got_txn = a2b_hex(open(ff, 'rt').read().strip())
if got_txn or got_psbt:
break
time.sleep(1)
else:
raise pytest.fail('never got result: ' + result_fn)
if got_txid and not txid:
# Txid not shown unless "delete psbt" mode
txid = got_txid
if got_txid:
assert got_txn
assert got_txid == txid
assert expect_finalize
open("debug/vd-result.txn", 'wb').write(got_txid)
# check output encoding matches input (for PSBT only)
if got_psbt:
if encoding == 'hex':
got_psbt = a2b_hex(got_psbt.strip())
elif encoding == 'base64':
got_psbt = b64decode(got_psbt)
else:
assert encoding == 'binary'
# validate what we got
if got_txn:
from pycoin.tx.Tx import Tx
# parse it a little
assert got_txn[0:4] != b'psbt'
t = Tx.from_bin(got_txn)
assert t.version in [1, 2]
if txid:
assert t.id() == txid
else:
txid = t.id()
if got_psbt:
assert got_psbt[0:5] == b'psbt\xff'
open("debug/vd-result.psbt", 'wb').write(got_psbt)
from psbt import BasicPSBT
was = BasicPSBT().parse(ip)
now = BasicPSBT().parse(got_psbt)
assert was.txn == now.txn
assert was != now
return ip, (got_psbt or got_txn), txid
return doit
@pytest.mark.unfinalized # iff partial=1
@pytest.mark.parametrize('encoding', ['binary', 'hex', 'base64'])
@pytest.mark.parametrize('num_outs', [1,2])
@pytest.mark.parametrize('partial', [1, 0])
def test_virtdisk_signing(encoding, num_outs, partial, try_sign_virtdisk, fake_txn, dev):
xp = dev.master_xpub
def hack(psbt):
if partial:
# change first input to not be ours
pk = list(psbt.inputs[0].bip32_paths.keys())[0]
pp = psbt.inputs[0].bip32_paths[pk]
psbt.inputs[0].bip32_paths[pk] = b'what' + pp[4:]
psbt = fake_txn(2, num_outs, xp, segwit_in=True, psbt_hacker=hack)
_, txn, txid = try_sign_virtdisk(psbt, expect_finalize=not partial, encoding=encoding)
if 0:
@pytest.mark.parametrize('num_outs', [ 1, 20, 250])
def test_virtdisk_after(num_outs, fake_txn, try_sign, nfc_read, need_keypress, cap_story, only_mk4):
# Read signing result (transaction) over NFC, decode it.
psbt = fake_txn(1, num_outs)
orig, result = try_sign(psbt, accept=True, finalize=True)
too_big = len(result) > 8000
if too_big: assert num_outs > 100
if num_outs > 100: assert too_big
time.sleep(.1)
title, story = cap_story()
assert 'TXID' in title, story
txid = a2b_hex(story.split()[0])
assert 'Press 3' in story
need_keypress('3')
if too_big:
title, story = cap_story()
assert 'is too large' in story
return
contents = virtdisk_read()
#need_keypress('x')
#print("contents = " + B2A(contents))
for got in ndef.message_decoder(contents):
if got.type == 'urn:nfc:wkt:T':
assert 'Transaction' in got.text
assert b2a_hex(txid).decode() in got.text
elif got.type == 'urn:nfc:ext:bitcoin.org:txid':
assert got.data == txid
elif got.type == 'urn:nfc:ext:bitcoin.org:txn':
assert got.data == result
elif got.type == 'urn:nfc:ext:bitcoin.org:sha256':
assert got.data == sha256(result).digest()
else:
raise ValueError(got.type)
def test_macos_detection():
# not a portable test... at all.
import platform, subprocess, plistlib
if not platform.platform().startswith('macOS-11'):
raise pytest.xfail("requires MacOS")
if not os.path.isdir('/Volumes/COLDCARD'):
raise pytest.xfail("needs COLDCARD mounted in usual spot")
cmd = ['diskutil', 'info', '-plist', '/Volumes/COLDCARD']
pl = subprocess.check_output(cmd)
pl = plistlib.loads(pl)
assert pl['VolumeName'] == 'COLDCARD'
assert pl['BusProtocol'] == 'USB'
assert pl['FilesystemName'] == 'MS-DOS FAT16'
assert pl['VolumeAllocationBlockSize'] == 512
assert pl['IOKitSize'] == 4194304 # requires 5.0.6
# EOF