wipe_device workflow, pin API work

src/apps/management/layout_load_device.py

@@ -1,24 +1,20 @@
-from trezor import wire
 from trezor import ui
 from trezor.utils import unimport
-from trezor.workflows.confirm import confirm
 
 
 @unimport
-def layout_load_device(message):
+async def layout_load_device(session_id, message):
+    from trezor.workflows.confirm import protect_with_confirm
+    from trezor.messages.Success import Success
 
     ui.clear()
-    ui.display.text_center(120, 40, 'Really load device?',
-                           ui.BOLD, ui.WHITE, ui.BLACK)
+    ui.display.text_center(
+        120, 40, 'Really load device?', ui.BOLD, ui.WHITE, ui.BLACK)
     ui.display.text_center(
         120, 100, 'Never do this, please.', ui.NORMAL, ui.WHITE, ui.BLACK)
 
-    confirmed = yield from confirm()
+    await protect_with_confirm(session_id)
 
-    if confirmed:
-        from trezor.messages.Success import Success
-        yield from wire.write(Success(message='Loaded'))
-    else:
-        from trezor.messages.Failure import Failure
-        from trezor.messages.FailureType import ActionCancelled
-        yield from wire.write(Failure(message='Cancelled', code=ActionCancelled))
+    # TODO
+
+    return Success(message='Loaded')

src/apps/management/layout_recovery_device.py

@@ -11,7 +11,7 @@ def nth(n):
 
 
 @unimport
-def layout_recovery_device(message):
+async def layout_recovery_device(session_id, message):
 
     msg = 'Please enter ' + nth(message.word_count) + ' word'
 
@@ -20,4 +20,5 @@ def layout_recovery_device(message):
                     ui.BOLD, ui.LIGHT_GREEN, ui.BLACK)
     ui.display.text(10, 74, msg, ui.BOLD, ui.WHITE, ui.BLACK)
     ui.display.text(10, 104, 'of your mnemonic.', ui.BOLD, ui.WHITE, ui.BLACK)
-    yield from wire.read(None)
+
+    # TODO

src/apps/management/layout_reset_device.py

@@ -1,20 +1,23 @@
-from trezor import wire, ui, config
-from trezor.workflows.request_pin import request_new_pin
+from trezor import wire, ui
+from trezor.workflows.request_pin import request_pin_repeatedly
 from trezor.messages.wire_types import EntropyAck
 from trezor.ui.button import Button, CONFIRM_BUTTON, CONFIRM_BUTTON_ACTIVE
 from trezor.ui.scroll import paginate, render_scrollbar, animate_swipe
 from trezor.crypto import hashlib, random, bip39
 from trezor.utils import unimport, chunks
 
-
-APP_MANAGEMENT = const(1)
-CFG_STORAGE = const(1)
+from .storage import get_storage, set_storage
 
 
 @unimport
 async def layout_reset_device(message, session_id):
     from trezor.messages.Success import Success
     from trezor.messages.Storage import Storage
+    from trezor.messages.FailureType import UnexpectedMessage
+
+    if get_storage(session_id):
+        raise wire.FailureError(
+            UnexpectedMessage, 'Device is already initialized')
 
     mnemonic = await generate_mnemonic(
         message.strength, message.display_random, session_id)
@@ -22,7 +25,7 @@ async def layout_reset_device(message, session_id):
     await show_mnemonic(mnemonic)
 
     if message.pin_protection:
-        pin = await request_new_pin(session_id)
+        pin = await request_pin_repeatedly(session_id)
     else:
         pin = ''
 
@@ -30,10 +33,9 @@ async def layout_reset_device(message, session_id):
         version=1, pin=pin, mnemonic=mnemonic,
         passphrase_protection=message.passphrase_protection,
         language=message.language, label=message.label)
+    set_storage(session_id, await storage.dumps())
 
-    config.set(session_id, APP_MANAGEMENT, CFG_STORAGE, await storage.dumps())
-
-    return Success()
+    return Success(message='Initialized')
 
 
 @unimport

src/apps/management/layout_wipe_device.py

@@ -1,11 +1,14 @@
 from trezor import wire
 from trezor import ui
 from trezor.utils import unimport
-from trezor.workflows.confirm import confirm
+from trezor.workflows.confirm import protect_with_confirm
+
+from .storage import clear_storage
 
 
 @unimport
-def layout_wipe_device(message):
+async def layout_wipe_device(message, session_id):
+    from trezor.messages.Success import Success
 
     ui.clear()
     ui.display.text(10, 30, 'Wiping device', ui.BOLD, ui.LIGHT_GREEN, ui.BLACK)
@@ -15,12 +18,8 @@ def layout_wipe_device(message):
     ui.display.text(10, 164, 'All data will be lost.',
                     ui.NORMAL, ui.WHITE, ui.BLACK)
 
-    confirmed = yield from confirm()
+    await protect_with_confirm(session_id)
 
-    if confirmed:
-        from trezor.messages.Success import Success
-        yield from wire.write(Success(message='Wiped'))
-    else:
-        from trezor.messages.Failure import Failure
-        from trezor.messages.FailureType import ActionCancelled
-        yield from wire.write(Failure(message='Cancelled', code=ActionCancelled))
+    clear_storage(session_id)
+
+    return Success(message='Wiped')

src/apps/management/storage.py

@@ -0,0 +1,17 @@
+from trezor import config
+
+
+APP_MANAGEMENT = const(1)
+CFG_STORAGE = const(1)
+
+
+def get_storage(session_id):
+    return config.get(session_id, APP_MANAGEMENT, CFG_STORAGE)
+
+
+def set_storage(session_id, buf):
+    config.set(session_id, APP_MANAGEMENT, CFG_STORAGE, buf)
+
+
+def clear_storage(session_id):
+    set_storage(session_id, '')

src/apps/wallet/layout_get_public_key.py

@@ -1,17 +1,16 @@
 from trezor import wire, ui
 from trezor.utils import unimport
-from trezor.workflows.request_pin import request_pin
 
 
 @unimport
-def layout_get_public_key(message):
-
-    ui.clear()
-    pin = yield from request_pin()
-
-    if pin is not None:
+async def layout_get_public_key(session_id, message):
     from trezor.messages.PublicKey import PublicKey
     from trezor.messages.HDNodeType import HDNodeType
+
+    # TODO: protect with pin
+    # TODO: fail if not initialized
+    # TODO: derive correct node
+
     pubkey = PublicKey()
     pubkey.node = HDNodeType()
     pubkey.node.depth = 0
@@ -19,9 +18,5 @@ def layout_get_public_key(message):
     pubkey.node.fingerprint = 0
     pubkey.node.chain_code = 'deadbeef'
     pubkey.node.public_key = 'deadbeef'
-        yield from wire.write(pubkey)
 
-    else:
-        from trezor.messages.Failure import Failure
-        from trezor.messages.FailureType import ActionCancelled
-        yield from wire.write(Failure(message='Cancelled', code=ActionCancelled))
+    return pubkey

src/trezor/workflows/confirm.py

@@ -3,18 +3,26 @@ from trezor.utils import unimport
 
 
 @unimport
-async def confirm(content=None, code=None, **kwargs):
+async def confirm(session_id, content=None, code=None, **kwargs):
     from trezor.ui.confirm import ConfirmDialog, CONFIRMED
     from trezor.messages.ButtonRequest import ButtonRequest
     from trezor.messages.ButtonRequestType import Other
-    from trezor.messages.ButtonAck import ButtonAck
+    from trezor.messages.wire_types import ButtonAck
 
     dialog = ConfirmDialog(content, **kwargs)
     dialog.render()
 
     if code is None:
         code = Other
-    ack = await wire.call(ButtonRequest(code=code), ButtonAck)
-    res = await dialog
+    await wire.reply_message(session_id, ButtonRequest(code=code), ButtonAck)
+    return await dialog == CONFIRMED
 
-    return res == CONFIRMED
+
+@unimport
+async def protect_with_confirm(*args, **kwargs):
+    from trezor.messages.FailureType import ActionCancelled
+
+    confirmed = await confirm(*args, **kwargs)
+
+    if not confirmed:
+        raise wire.FailureError(ActionCancelled, 'Cancelled')

src/trezor/workflows/request_pin.py

@@ -26,7 +26,7 @@ async def request_pin(session_id, *args, **kwargs):
 
 
 @unimport
-async def request_new_pin(session_id):
+async def request_pin_repeatedly(session_id):
     from trezor.messages.FailureType import PinInvalid
 
     pin_first = await request_pin(session_id)