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Add Satodime smartcard tools #66

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350 changes: 348 additions & 2 deletions src/seedsigner/views/tools_views.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
from embit.descriptor import Descriptor
from embit.descriptor.checksum import checksum
from embit.bip32 import HDKey
from embit import ec, script, networks
from PIL import Image
from PIL.ImageOps import autocontrast
from gettext import gettext as _
Expand Down Expand Up @@ -959,11 +960,12 @@ def run(self):
class ToolsSmartcardMenuView(View):
COMMON = ButtonOption("Common Functions")
SATOCHIP = ButtonOption("Satochip Functions")
SATODIME = ButtonOption("Satodime Functions")
SEEDKEEPER = ButtonOption("SeedKeeper Functions")
Satochip_DIY = ButtonOption("DIY Tools")

def run(self):
button_data = [self.COMMON, self.SEEDKEEPER, self.SATOCHIP, self.Satochip_DIY]
button_data = [self.COMMON, self.SEEDKEEPER, self.SATOCHIP, self.SATODIME, self.Satochip_DIY]

selected_menu_num = self.run_screen(
ButtonListScreen,
Expand All @@ -980,7 +982,10 @@ def run(self):

elif button_data[selected_menu_num] == self.SATOCHIP:
return Destination(ToolsSatochipView)


elif button_data[selected_menu_num] == self.SATODIME:
return Destination(ToolsSatodimeView)

elif button_data[selected_menu_num] == self.SEEDKEEPER:
return Destination(ToolsSeedkeeperView)

Expand Down Expand Up @@ -1811,6 +1816,347 @@ def run(self):

return Destination(BackStackView)

class ToolsSatodimeView(View):
VIEW_ADDRESSES = ButtonOption("View Deposit Addresses")
SEAL_SLOT = ButtonOption("Seal Slot")
UNSEAL_SLOT = ButtonOption("Unseal Slot")
SIGN_TX = ButtonOption("Sign Transaction")
TRANSFER = ButtonOption("Transfer Ownership")

def run(self):
button_data = [
self.VIEW_ADDRESSES,
self.SEAL_SLOT,
self.UNSEAL_SLOT,
self.SIGN_TX,
self.TRANSFER,
]

selected_menu_num = self.run_screen(
ButtonListScreen,
title="Satodime",
is_button_text_centered=False,
button_data=button_data,
)

if selected_menu_num == RET_CODE__BACK_BUTTON:
return Destination(BackStackView)

if button_data[selected_menu_num] == self.VIEW_ADDRESSES:
return Destination(ToolsSatodimeAddressesView)
elif button_data[selected_menu_num] == self.SEAL_SLOT:
return Destination(ToolsSatodimeSealSlotView)
elif button_data[selected_menu_num] == self.UNSEAL_SLOT:
return Destination(ToolsSatodimeUnsealSlotView)
elif button_data[selected_menu_num] == self.SIGN_TX:
return Destination(ToolsSatodimeSignTxView)
elif button_data[selected_menu_num] == self.TRANSFER:
return Destination(ToolsSatodimeTransferOwnershipView)


class ToolsSatodimeAddressesView(View):
def run(self):
from seedsigner.gui.screens.screen import LoadingScreenThread

Satochip_Connector = seedkeeper_utils.init_satochip(self, init_card_filter=["satodime"], require_pin=False)
if not Satochip_Connector:
return Destination(BackStackView)

Satochip_Connector.satodime_set_unlock_secret()
Satochip_Connector.satodime_set_unlock_counter()

self.loading_screen = LoadingScreenThread(text="Fetching Slots\n\n\n\n\n\n")
self.loading_screen.start()
(_, _, _, status) = Satochip_Connector.satodime_get_status()
self.loading_screen.stop()

max_keys = status.get("max_num_keys", 0)
network = self.settings.get_value(SettingsConstants.SETTING__NETWORK)
embit_network = embit_utils.get_embit_network_name(network)
net = networks.NETWORKS[embit_network]

for key_nbr in range(max_keys):
try:
(_, _, _, slot_status) = Satochip_Connector.satodime_get_keyslot_status(key_nbr)
(_, _, _, _, pub_comp) = Satochip_Connector.satodime_get_pubkey(key_nbr)
address = script.p2pkh(ec.PublicKey(bytes(pub_comp))).address(network=net)
text = f"{slot_status['key_status_txt']}\n{address}"
except Exception as e:
text = str(e)

ret = self.run_screen(
LargeIconStatusScreen,
title=f"Slot {key_nbr}",
status_headline=None,
text=text,
show_back_button=True,
button_data=[ButtonOption("Next")],
)
if ret == RET_CODE__BACK_BUTTON:
break

return Destination(BackStackView)


class ToolsSatodimeSealSlotView(View):
def run(self):
from seedsigner.gui.screens.screen import LoadingScreenThread

Satochip_Connector = seedkeeper_utils.init_satochip(self, init_card_filter=["satodime"], require_pin=False)
if not Satochip_Connector:
return Destination(BackStackView)

Satochip_Connector.satodime_set_unlock_secret()
Satochip_Connector.satodime_set_unlock_counter()

(_, _, _, status) = Satochip_Connector.satodime_get_status()
max_keys = status.get("max_num_keys", 0)

available = []
button_data = []
for key_nbr in range(max_keys):
(_, _, _, slot_status) = Satochip_Connector.satodime_get_keyslot_status(key_nbr)
if slot_status.get("key_status_txt") == "Uninitialized":
available.append(key_nbr)
button_data.append(ButtonOption(f"Slot {key_nbr}"))

if not available:
self.run_screen(
WarningScreen,
title="Failed",
status_headline=None,
text="No uninitialized slots",
show_back_button=True,
)
return Destination(BackStackView)

selected = self.run_screen(
ButtonListScreen,
title="Select Slot",
is_button_text_centered=False,
button_data=button_data,
show_back_button=True,
)

if selected == RET_CODE__BACK_BUTTON:
return Destination(BackStackView)

slot = available[selected]
entropy = os.urandom(32)

self.loading_screen = LoadingScreenThread(text="Sealing Slot\n\n\n\n\n\n")
self.loading_screen.start()
(_, sw1, sw2, _, pub_comp) = Satochip_Connector.satodime_seal_key(slot, entropy)
self.loading_screen.stop()

if sw1 != 0x90 or sw2 != 0x00:
self.run_screen(
WarningScreen,
title="Failed",
status_headline=None,
text="Seal failed",
show_back_button=True,
)
return Destination(BackStackView)

network = self.settings.get_value(SettingsConstants.SETTING__NETWORK)
embit_network = embit_utils.get_embit_network_name(network)
net = networks.NETWORKS[embit_network]
address = script.p2pkh(ec.PublicKey(bytes(pub_comp))).address(network=net)

self.run_screen(
LargeIconStatusScreen,
title="Success",
status_headline=None,
text=f"Slot {slot} sealed\n{address}",
show_back_button=False,
)

return Destination(BackStackView)


class ToolsSatodimeUnsealSlotView(View):
def run(self):
from seedsigner.gui.screens.screen import LoadingScreenThread

Satochip_Connector = seedkeeper_utils.init_satochip(self, init_card_filter=["satodime"], require_pin=False)
if not Satochip_Connector:
return Destination(BackStackView)

Satochip_Connector.satodime_set_unlock_secret()
Satochip_Connector.satodime_set_unlock_counter()

(_, _, _, status) = Satochip_Connector.satodime_get_status()
max_keys = status.get("max_num_keys", 0)

available = []
button_data = []
for key_nbr in range(max_keys):
(_, _, _, slot_status) = Satochip_Connector.satodime_get_keyslot_status(key_nbr)
if slot_status.get("key_status_txt") == "Sealed":
available.append(key_nbr)
button_data.append(ButtonOption(f"Slot {key_nbr}"))

if not available:
self.run_screen(
WarningScreen,
title="Failed",
status_headline=None,
text="No sealed slots",
show_back_button=True,
)
return Destination(BackStackView)

selected = self.run_screen(
ButtonListScreen,
title="Select Slot",
is_button_text_centered=False,
button_data=button_data,
show_back_button=True,
)

if selected == RET_CODE__BACK_BUTTON:
return Destination(BackStackView)

slot = available[selected]

self.loading_screen = LoadingScreenThread(text="Unsealing Slot\n\n\n\n\n\n")
self.loading_screen.start()
(_, sw1, sw2, _, priv_list) = Satochip_Connector.satodime_unseal_key(slot)
self.loading_screen.stop()

if sw1 != 0x90 or sw2 != 0x00:
self.run_screen(
WarningScreen,
title="Failed",
status_headline=None,
text="Unseal failed",
show_back_button=True,
)
return Destination(BackStackView)

network = self.settings.get_value(SettingsConstants.SETTING__NETWORK)
embit_network = embit_utils.get_embit_network_name(network)
net = networks.NETWORKS[embit_network]
wif = ec.PrivateKey(bytes(priv_list), network=net).wif()

self.run_screen(
LargeIconStatusScreen,
title="Unsealed",
status_headline=None,
text=wif,
show_back_button=True,
)

return Destination(BackStackView)


class ToolsSatodimeSignTxView(View):
def run(self):
from seedsigner.gui.screens.screen import LoadingScreenThread
from seedsigner.models.wif import WIFKey
from seedsigner.views.scan_views import ScanPSBTView

Satochip_Connector = seedkeeper_utils.init_satochip(self, init_card_filter=["satodime"], require_pin=False)
if not Satochip_Connector:
return Destination(BackStackView)

Satochip_Connector.satodime_set_unlock_secret()
Satochip_Connector.satodime_set_unlock_counter()

(_, _, _, status) = Satochip_Connector.satodime_get_status()
max_keys = status.get("max_num_keys", 0)

available = []
button_data = []
for key_nbr in range(max_keys):
(_, _, _, slot_status) = Satochip_Connector.satodime_get_keyslot_status(key_nbr)
if slot_status.get("key_status_txt") == "Sealed":
available.append(key_nbr)
button_data.append(ButtonOption(f"Slot {key_nbr}"))

if not available:
self.run_screen(
WarningScreen,
title="Failed",
status_headline=None,
text="No sealed slots",
show_back_button=True,
)
return Destination(BackStackView)

selected = self.run_screen(
ButtonListScreen,
title="Select Slot",
is_button_text_centered=False,
button_data=button_data,
show_back_button=True,
)

if selected == RET_CODE__BACK_BUTTON:
return Destination(BackStackView)

slot = available[selected]

self.loading_screen = LoadingScreenThread(text="Unsealing Slot\n\n\n\n\n\n")
self.loading_screen.start()
(_, sw1, sw2, _, priv_list) = Satochip_Connector.satodime_unseal_key(slot)
self.loading_screen.stop()

if sw1 != 0x90 or sw2 != 0x00:
self.run_screen(
WarningScreen,
title="Failed",
status_headline=None,
text="Unseal failed",
show_back_button=True,
)
return Destination(BackStackView)

network = self.settings.get_value(SettingsConstants.SETTING__NETWORK)
embit_network = embit_utils.get_embit_network_name(network)
net = networks.NETWORKS[embit_network]
wif = ec.PrivateKey(bytes(priv_list), network=net).wif()
self.controller.psbt_seed = WIFKey(wif)

return Destination(ScanPSBTView)


class ToolsSatodimeTransferOwnershipView(View):
def run(self):
from seedsigner.gui.screens.screen import LoadingScreenThread

Satochip_Connector = seedkeeper_utils.init_satochip(self, init_card_filter=["satodime"], require_pin=False)
if not Satochip_Connector:
return Destination(BackStackView)

Satochip_Connector.satodime_set_unlock_secret()
Satochip_Connector.satodime_set_unlock_counter()

self.loading_screen = LoadingScreenThread(text="Sending Command\n\n\n\n\n\n")
self.loading_screen.start()
(_, sw1, sw2) = Satochip_Connector.satodime_initiate_ownership_transfer()
self.loading_screen.stop()

if sw1 == 0x90 and sw2 == 0x00:
self.run_screen(
LargeIconStatusScreen,
title="Success",
status_headline=None,
text="Ownership transfer started",
show_back_button=False,
)
else:
self.run_screen(
WarningScreen,
title="Failed",
status_headline=None,
text="Ownership transfer failed",
show_back_button=True,
)

return Destination(BackStackView)

class ToolsSeedkeeperDeleteSecretView(View):

def run(self):
Expand Down
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