Work in progress after merge w/main; Lots of breaking changes in Settings

requirements.txt

@@ -2,9 +2,9 @@ embit==0.4.10
 numpy==1.21.1
 picamera==1.13
 Pillow==8.2.0
-pyzbar==0.1.8
-qrcode==6.1
+-e git+https://github.com/kdmukai/pyzbar.git@c3c237821c6a20b17953efe59b90df0b514a1c03#egg=pyzbar
+qrcode==7.3.1
 RPi.GPIO==0.7.0
 six==1.16.0
 spidev==3.5
--e src/vendor/urtypes
+urtypes @ git+https://github.com/jreesun/urtypes.git@e0d0db277ec2339650343eaf7b220fffb9233241

src/seedsigner/camera.py

@@ -5,6 +5,7 @@ from picamera import PiCamera
 from PIL import Image
 from seedsigner.models import Singleton
 from seedsigner.helpers import PiVideoStream
+from seedsigner.models.settings import SettingsConstants
 
 
 
@@ -19,7 +20,7 @@ class Camera(Singleton):
         from seedsigner.models import Settings
         if cls._instance is None:
             cls._instance = cls.__new__(cls)
-        cls._instance._camera_rotation = Settings.get_instance().camera_rotation
+        cls._instance._camera_rotation = Settings.get_instance().get_value(SettingsConstants.SETTING__CAMERA_ROTATION)
         return cls._instance
 
 

src/seedsigner/controller.py

@@ -1,21 +1,7 @@
-import os
-import sys
-import time
-import re
-from multiprocessing import Process, Queue
-from subprocess import call
-import os, sys
-from embit import bip32, script, ec
-from embit.networks import NETWORKS
-from embit.descriptor import Descriptor
-from binascii import hexlify
-from threading import Thread
-
 from embit.psbt import PSBT
 from seedsigner.gui.renderer import Renderer
 
-from .models import (EncodeQRDensity, Seed, SeedStorage, Settings,
-    Singleton, DecodeQR, DecodeQRStatus, EncodeQR, PSBTParser)
+from .models import Seed, SeedStorage, Settings, Singleton, PSBTParser
 
 
 
@@ -38,7 +24,7 @@ class Controller(Singleton):
     """
     from .helpers import Buttons
 
-    VERSION = "0.5.0"
+    VERSION = "0.5.0 prerelease 1"
 
     # Declare class member vars with type hints to enable richer IDE support throughout
     # the code.
@@ -67,30 +53,16 @@ class Controller(Singleton):
             # models
             # TODO: Rename "storage" to something more indicative of its temp, in-memory state
             controller.storage = SeedStorage()
+
             controller.settings = Settings.get_instance()
 
             # Store one working psbt in memory
             controller.psbt = None
             controller.psbt_parser = None
 
-            # settings
-            # TODO: Remove these
-            controller.DEBUG = controller.settings.debug
-            controller.color = controller.settings.text_color
-            controller.current_bg_qr_color = controller.settings.qr_background_color
-
             # Configure the Renderer
-            Renderer.configure_instance({"text_color": controller.color})
+            Renderer.configure_instance()
 
-            # TODO: Refactor so that we don't need the Renderer here
-            controller.renderer = Renderer.get_instance()
-
-            # Views
-            # controller.menu_view = MenuView()
-            # controller.seed_tools_view = SeedToolsView()
-            # controller.io_test_view = IOTestView()
-            # controller.signing_tools_view = SigningToolsView(controller.storage)
-            # controller.settings_tools_view = SettingsToolsView()
             controller.screensaver = ScreensaverView(controller.buttons)
 
             controller.back_stack = []
@@ -134,8 +106,8 @@ class Controller(Singleton):
         from .views import View, Destination, OpeningSplashView, MainMenuView, BackStackView
 
         # Disabled to save some time during dev...
-        # opening_splash = OpeningSplashView()
-        # opening_splash.start()
+        opening_splash = OpeningSplashView()
+        opening_splash.start()
 
         """ Class references can be stored as variables in python!
 
@@ -202,13 +174,14 @@ class Controller(Singleton):
 
         finally:
             # Clear the screen when exiting
-            self.renderer.display_blank_screen()
+            Renderer.get_instance().display_blank_screen()
 
 
     def start_screensaver(self):
         self.screensaver.start()
 
 
+"""
     ### Menu
     ### Menu View handles navigation within the menu
     ### Sub Menu's like Seed Tools, Signing Tools, Settings are all in the Menu View
@@ -965,7 +938,7 @@ class Controller(Singleton):
 
     def show_qr_density_tool(self):
         r = self.settings_tools_view.display_qr_density_selection()
-        if r in (EncodeQRDensity.LOW, EncodeQRDensity.MEDIUM, EncodeQRDensity.HIGH):
+        if r in (EncodeQR.DENSITY__LOW, EncodeQR.DENSITY__MEDIUM, EncodeQR.DENSITY__HIGH):
             self.settings.qr_density = r
 
         return Path.SETTINGS_SUB_MENU
@@ -1084,3 +1057,4 @@ class Controller(Singleton):
 
         return Path.MAIN_MENU
 
+"""

src/seedsigner/gui/renderer.py

@@ -18,25 +18,25 @@ class Renderer(ConfigurableSingleton):
 
 
     @classmethod
-    def configure_instance(cls, config=None):
+    def configure_instance(cls, config={}):
+        from seedsigner.models.settings import Settings
         super().configure_instance(config)
 
         # Instantiate the one and only Renderer instance
         renderer = cls.__new__(cls)
         cls._instance = renderer
 
-        renderer.color = config["text_color"]
+        # TODO: Use Settings values to wire up diff hardware params
+        settings = Settings.get_instance()
 
         # Eventually we'll be able to plug in other display controllers
         renderer.disp = ST7789()
-
         renderer.canvas_width = renderer.disp.width
         renderer.canvas_height = renderer.disp.height
+
         renderer.canvas = Image.new('RGB', (renderer.canvas_width, renderer.canvas_height))
         renderer.draw = ImageDraw.Draw(renderer.canvas)
 
-        draw = ImageDraw.Draw(renderer.canvas)
-
 
     def show_image(self, image=None, alpha_overlay=None):
         if image == None:

src/seedsigner/gui/screens/screen.py

@@ -2,7 +2,7 @@ import time
 
 from dataclasses import dataclass
 from PIL import Image, ImageDraw, ImageColor
-from typing import List, Tuple
+from typing import Any, List, Tuple
 from seedsigner.gui.renderer import Renderer
 
 from seedsigner.helpers.threads import BaseThread
@@ -41,7 +41,7 @@ class BaseScreen(BaseComponent):
         self.paste_images: List[Tuple] = []
 
 
-    def display(self):
+    def display(self) -> Any:
         try:
             with self.renderer.lock:
                 self._render()

src/seedsigner/gui/screens/settings_screens.py

@@ -7,7 +7,7 @@ from seedsigner.models.settings import SettingsConstants
 
 
 @dataclass
-class SettingsEntryUpdateScreen(ButtonListScreen):
+class SettingsEntryUpdateSelectionScreen(ButtonListScreen):
     display_name: str = None
     help_text: str = None
     checked_buttons: List[int] = None

src/seedsigner/models/__init__.py

@@ -3,7 +3,6 @@ from .singleton import Singleton, ConfigurableSingleton
 
 from .seed import *
 from .qr_type import *
-from .encode_qr_density import *
 from .decode_qr import *
 from .encode_qr import *
 from .psbt_parser import *

src/seedsigner/models/decode_qr.py

@@ -698,6 +698,7 @@ class SeedQR:
         return False
 
 
+# TODO: Refactor this to work with the new SettingsDefinition
 class SettingsQR:
     def __init__(self, wordlist=None):
         self.total_segments = 1

src/seedsigner/models/encode_qr.py

@@ -7,17 +7,21 @@ from seedsigner.helpers.ur2.cbor_lite import CBOREncoder
 from seedsigner.helpers.ur2.ur import UR
 from seedsigner.helpers.bcur import (bc32encode, cbor_encode, bcur_encode)
 from seedsigner.helpers.qr import QR
-from seedsigner.models import Seed, QRType, EncodeQRDensity
+from seedsigner.models import Seed, QRType
 
 from urtypes.crypto import PSBT as UR_PSBT
 from urtypes.crypto import Account, HDKey, Output, Keypath, PathComponent, SCRIPT_EXPRESSION_TAG_MAP
 
-###
-### EncodeQR Class
-### Purpose: used to encode psbt for displaying as qr image
-###
+
 
 class EncodeQR:
+    """
+       Encode psbt for displaying as qr image
+    """
+    DENSITY__LOW = "Low"
+    DENSITY__MEDIUM = "Medium"
+    DENSITY__HIGH = "High"
+    ALL_DENSITIES = [DENSITY__LOW, DENSITY__MEDIUM, DENSITY__HIGH]
     
     WORDLIST = None
 
@@ -57,7 +61,7 @@ class EncodeQR:
             raise Exception('Encoder Type Required')
 
         if self.qr_density == None:
-            self.qr_density = EncodeQRDensity.MEDIUM
+            self.qr_density = EncodeQR.DENSITY__MEDIUM
 
         self.encoder = None
         if self.qr_type == QRType.PSBTSPECTER:
@@ -108,11 +112,11 @@ class UREncodePSBTQR:
         
         qr_ur_bytes = UR("crypto-psbt", UR_PSBT(self.psbt.serialize()).to_cbor())
 
-        if qr_density == EncodeQRDensity.LOW:
+        if qr_density == EncodeQR.DENSITY__LOW:
             self.qr_max_fragement_size = 10
-        elif qr_density == EncodeQRDensity.MEDIUM:
+        elif qr_density == EncodeQR.DENSITY__MEDIUM:
             self.qr_max_fragement_size = 30
-        elif qr_density == EncodeQRDensity.HIGH:
+        elif qr_density == EncodeQR.DENSITY__HIGH:
             self.qr_max_fragement_size = 120
 
         self.ur2_encode = UREncoder(qr_ur_bytes,self.qr_max_fragement_size,0)
@@ -135,11 +139,11 @@ class SpecterEncodePSBTQR:
         self.part_num_sent = 0
         self.sent_complete = False
 
-        if qr_density == EncodeQRDensity.LOW:
+        if qr_density == EncodeQR.DENSITY__LOW:
             self.qr_max_fragement_size = 40
-        elif qr_density == EncodeQRDensity.MEDIUM:
+        elif qr_density == EncodeQR.DENSITY__MEDIUM:
             self.qr_max_fragement_size = 65
-        elif qr_density == EncodeQRDensity.HIGH:
+        elif qr_density == EncodeQR.DENSITY__HIGH:
             self.qr_max_fragement_size = 90
 
         self.__createParts()
@@ -263,11 +267,11 @@ class SpecterXPubQR(XPubQR):
 
     def __init__(self, seed_phrase, passphrase, derivation, network, qr_density, wordlist):
         self.qr_max_fragement_size = 65
-        if qr_density == EncodeQRDensity.LOW:
+        if qr_density == EncodeQR.DENSITY__LOW:
             self.qr_max_fragement_size = 40
-        elif qr_density == EncodeQRDensity.MEDIUM:
+        elif qr_density == EncodeQR.DENSITY__MEDIUM:
             self.qr_max_fragement_size = 65
-        elif qr_density == EncodeQRDensity.HIGH:
+        elif qr_density == EncodeQR.DENSITY__HIGH:
             self.qr_max_fragement_size = 90
 
         XPubQR.__init__(self, seed_phrase, passphrase, derivation, network, wordlist)
@@ -323,11 +327,11 @@ class URXPubQR(XPubQR):
         
         XPubQR.__init__(self, seed_phrase, passphrase, derivation, network, wordlist)
         
-        if qr_density == EncodeQRDensity.LOW:
+        if qr_density == EncodeQR.DENSITY__LOW:
             self.qr_max_fragement_size = 10
-        elif qr_density == EncodeQRDensity.MEDIUM:
+        elif qr_density == EncodeQR.DENSITY__MEDIUM:
             self.qr_max_fragement_size = 30
-        elif qr_density == EncodeQRDensity.HIGH:
+        elif qr_density == EncodeQR.DENSITY__HIGH:
             self.qr_max_fragement_size = 120
         
         def derivation_to_keypath(path: str) -> list:

src/seedsigner/models/encode_qr_density.py

@@ -1,11 +0,0 @@
-from enum import IntEnum
-
-###
-### QRType Class IntEum
-### Purpose: used with DecodeQR and EncodeQR to communicate qr encoding type
-###
-
-class EncodeQRDensity(IntEnum):
-	LOW = 1
-	MEDIUM = 2
-	HIGH = 3

src/seedsigner/models/psbt_parser.py

@@ -5,6 +5,7 @@ from embit.psbt import PSBT
 from io import BytesIO
 from typing import List
 from seedsigner.models import Seed
+from seedsigner.models.seed import SeedConstants
 
 class PSBTParser():
 
@@ -178,7 +179,40 @@ class PSBTParser():
 
         return cnt
 
-    # checks that all inputs are from the same wallet
+
+    @staticmethod
+    def calc_derivation(network, wallet_type, script_type):
+        # TODO: Move this to Seed?
+        if network == SeedConstants.MAINNET:
+            network_path = "0'"
+        elif network == SeedConstants.TESTNET:
+            network_path = "1'"
+        else:
+            raise Exception("Unexpected network")
+
+        if wallet_type == SeedConstants.SINGLE_SIG:
+            if script_type == SeedConstants.NATIVE_SEGWIT:
+                return f"m/84'/{network_path}/0'"
+            elif script_type == SeedConstants.NESTED_SEGWIT:
+                return f"m/49'/{network_path}/0'"
+            elif script_type == SeedConstants.TAPROOT:
+                return f"m/86'/{network_path}/0'"
+            else:
+                raise Exception("Unexpected script type")
+
+        elif wallet_type == SeedConstants.MULTISIG:
+            if script_type == SeedConstants.NATIVE_SEGWIT:
+                return f"m/48'/{network_path}/0'/2'"
+            elif script_type == SeedConstants.NESTED_SEGWIT:
+                return f"m/48'/{network_path}/0'/1'"
+            elif script_type == SeedConstants.TAPROOT:
+                raise Exception("Taproot multisig/musig not yet supported")
+            else:
+                raise Exception("Unexpected script type")
+        else:
+            raise Exception("Unexpected wallet type")    # checks that all inputs are from the same wallet
+
+
     @staticmethod
     def __get_policy(scope, scriptpubkey, xpubs):
         """Parse scope and get policy"""

src/seedsigner/models/seed.py

@@ -7,9 +7,10 @@ from typing import List
 
 
 class SeedConstants:
-    MAINNET = "main"
-    TESTNET = "test"
-    REGTEST = "regtest"
+    MAINNET = ("main", "Mainnet")
+    TESTNET = ("test", "Testnet")
+    REGTEST = ("regtest", "Regtest")
+    ALL_NETWORKS = [MAINNET, TESTNET, REGTEST]
     
     SINGLE_SIG = "single_sig"
     MULTISIG = "multisig"

src/seedsigner/models/settings.py

@@ -3,12 +3,12 @@ import json
 import os
 
 from embit import bip39
-from typing import List
+from typing import Any, List
 
 from .seed import SeedConstants
 from .singleton import Singleton
 from .qr_type import QRType
-from .encode_qr_density import EncodeQRDensity
+from .encode_qr import EncodeQR
 
 
 
@@ -17,7 +17,6 @@ class SettingsConstants:
     COORDINATOR__BLUE_WALLET = "BlueWallet"
     COORDINATOR__SPARROW = "Sparrow"
     COORDINATOR__SPECTER_DESKTOP = "Specter Desktop"
-
     ALL_COORDINATORS = [
         COORDINATOR__BLUE_WALLET,
         COORDINATOR__SPARROW,
@@ -28,7 +27,6 @@ class SettingsConstants:
     OPTION__DISABLED = "Disabled"
     OPTION__PROMPT = "Prompt"
     OPTION__REQUIRED = "Required"
-
     ALL_OPTIONS = [
         OPTION__ENABLED,
         OPTION__DISABLED,
@@ -36,18 +34,28 @@ class SettingsConstants:
         OPTION__REQUIRED,
     ]
 
-    LANGUAGE__ENGLISH = "English"
-
+    LANGUAGE__ENGLISH = ("en", "English")
     ALL_LANGUAGES = [
         LANGUAGE__ENGLISH,
     ]
 
+    ROTATION__0 = (0, "0°")
+    ROTATION__90 = (90, "90°")
+    ROTATION__180 = (180, "180°")
+    ROTATION__270 = (270, "270°")
+    ALL_ROTATIONS = [
+        ROTATION__0, ROTATION__90, ROTATION__180, ROTATION__270
+    ]
 
     # Individual settings entry attr_names
     SETTING__LANGUAGE = "language"
     SETTING__PERSISTENT_SETTINGS = "persistent_settings"
     SETTING__COORDINATORS = "coordinators"
 
+    SETTING__NETWORK = "network"
+    SETTING__QR_DENSITY = "qr_density"
+    SETTING__XPUB_EXPORT = "xpub_export"
+    SETTING__CAMERA_ROTATION = "camera_rotation"
     SETTING__PRIVACY_WARNINGS = "privacy_warnings"
     SETTING__DIRE_WARNINGS = "dire_warnings"
 
@@ -93,22 +101,57 @@ class SettingsEntry:
     visibility: str = SettingsConstants.VISIBILITY__GENERAL
     type: str = SettingsConstants.TYPE__ENABLED_DISABLED
     help_text: str = None
-    possible_values: List[str] = None
-    possible_values_abbreviated: List[str] = None
+    selection_options: List[str] = None
+    selection_options_abbreviated: List[str] = None
     default_value: str = None
 
     def __post_init__(self):
         if self.type == SettingsConstants.TYPE__ENABLED_DISABLED:
-            self.possible_values = [SettingsConstants.OPTION__ENABLED,
+            self.selection_options = [SettingsConstants.OPTION__ENABLED,
                                       SettingsConstants.OPTION__DISABLED]
 
         elif self.type == SettingsConstants.TYPE__ENABLED_DISABLED_PROMPT:
-            self.possible_values = [SettingsConstants.OPTION__ENABLED,
+            self.selection_options = [SettingsConstants.OPTION__ENABLED,
                                       SettingsConstants.OPTION__DISABLED,
                                       SettingsConstants.OPTION__PROMPT]
 
         elif self.type == SettingsConstants.TYPE__ENABLED_DISABLED_PROMPT_REQURIED:
-            self.possible_values = [SettingsConstants.ALL_OPTIONS]
+            self.selection_options = [SettingsConstants.ALL_OPTIONS]
+    
+
+    @property
+    def selection_options_display_names(self) -> List[str]:
+        if type(self.selection_options[0]) == tuple:
+            return [v[1] for v in self.selection_options]
+        else:
+            # Always return a copy so the original can't be altered
+            return list(self.selection_options)
+
+
+    def get_selection_option_value(self, i: int):
+        value = self.selection_options[i]
+        if type(value) == tuple:
+            value = value[0]
+        return value
+
+
+    def get_selection_option_display_name(self, i: int) -> str:
+        value = self.selection_options[i]
+        if type(value) == tuple:
+            value = value[1]
+        return value
+    
+    
+    def get_selection_option_display_name_by_value(self, value) -> str:
+        for option in self.selection_options:
+            if type(option) == tuple:
+                option_value = option[0]
+                display_name = option[1]
+            else:
+                option_value = option
+                display_name = option
+            if option_value == value:
+                return display_name
 
 
 
@@ -131,32 +174,62 @@ class SettingsDefinition:
                       attr_name=SettingsConstants.SETTING__LANGUAGE,
                       display_name="Language",
                       type=SettingsConstants.TYPE__SELECT_1,
-                      possible_values=SettingsConstants.ALL_LANGUAGES,
+                      selection_options=SettingsConstants.ALL_LANGUAGES,
                       default_value=SettingsConstants.LANGUAGE__ENGLISH),
      
         SettingsEntry(category=SettingsConstants.CATEGORY__SYSTEM,
                       attr_name=SettingsConstants.SETTING__PERSISTENT_SETTINGS,
-                      display_name="Persistent Settings",
+                      display_name="Persistent settings",
                       help_text="Store Settings on SD card",
                       default_value=SettingsConstants.OPTION__DISABLED),
 
         SettingsEntry(category=SettingsConstants.CATEGORY__WALLET,
                       attr_name=SettingsConstants.SETTING__COORDINATORS,
-                      display_name="Coordinator Software",
+                      display_name="Coordinator software",
                       type=SettingsConstants.TYPE__MULTISELECT,
-                      possible_values=SettingsConstants.ALL_COORDINATORS,
+                      selection_options=SettingsConstants.ALL_COORDINATORS,
                       default_value=SettingsConstants.ALL_COORDINATORS),
 
         # Advanced options
+        SettingsEntry(category=SettingsConstants.CATEGORY__FEATURES,
+                      attr_name=SettingsConstants.SETTING__NETWORK,
+                      display_name="Bitcoin network",
+                      type=SettingsConstants.TYPE__SELECT_1,
+                      visibility=SettingsConstants.VISIBILITY__ADVANCED,
+                      selection_options=SeedConstants.ALL_NETWORKS,
+                      default_value=SeedConstants.MAINNET[0]),
+
+        SettingsEntry(category=SettingsConstants.CATEGORY__FEATURES,
+                      attr_name=SettingsConstants.SETTING__QR_DENSITY,
+                      display_name="QR code density",
+                      type=SettingsConstants.TYPE__SELECT_1,
+                      visibility=SettingsConstants.VISIBILITY__ADVANCED,
+                      selection_options=EncodeQR.ALL_DENSITIES,
+                      default_value=EncodeQR.DENSITY__MEDIUM),
+
+        SettingsEntry(category=SettingsConstants.CATEGORY__FEATURES,
+                      attr_name=SettingsConstants.SETTING__XPUB_EXPORT,
+                      display_name="Xpub export",
+                      visibility=SettingsConstants.VISIBILITY__ADVANCED,
+                      default_value=SettingsConstants.OPTION__ENABLED),
+
+        SettingsEntry(category=SettingsConstants.CATEGORY__FEATURES,
+                      attr_name=SettingsConstants.SETTING__QR_DENSITY,
+                      display_name="QR code density",
+                      type=SettingsConstants.TYPE__SELECT_1,
+                      visibility=SettingsConstants.VISIBILITY__ADVANCED,
+                      selection_options=SettingsConstants.ALL_ROTATIONS,
+                      default_value=SettingsConstants.ROTATION__0),
+
         SettingsEntry(category=SettingsConstants.CATEGORY__FEATURES,
                       attr_name=SettingsConstants.SETTING__PRIVACY_WARNINGS,
-                      display_name="Show Privacy Warnings",
+                      display_name="Show privacy warnings",
                       visibility=SettingsConstants.VISIBILITY__ADVANCED,
                       default_value=SettingsConstants.OPTION__ENABLED),
 
         SettingsEntry(category=SettingsConstants.CATEGORY__FEATURES,
                       attr_name=SettingsConstants.SETTING__DIRE_WARNINGS,
-                      display_name="Show Dire Warnings",
+                      display_name="Show dire warnings",
                       visibility=SettingsConstants.VISIBILITY__ADVANCED,
                       default_value=SettingsConstants.OPTION__ENABLED),
 
@@ -187,7 +260,7 @@ class SettingsDefinition:
 
     @classmethod
     def parse_abbreviated_ini(cls, abbreviated_ini: str) -> dict:
-        return False
+        raise Exception("Not implemented, maybe not needed")
 
 
     @classmethod
@@ -205,12 +278,14 @@ class SettingsDefinition:
 
     @classmethod
     def to_json(cls):
-        return json.dumps({})
+        raise Exception("Not implemented")
     
 
     @classmethod
     def to_html(cls):
-        return ""
+        raise Exception("Not implemented, maybe not needed")
+
+
 
 class Settings(Singleton):
     SETTINGS_FILENAME = "settings.json"
@@ -240,7 +315,7 @@ class Settings(Singleton):
             #     "wallet": {
             #         "network": SeedConstants.MAINNET,
             #         "coordinators": SettingsConstants.ALL_COORDINATORS,
-            #         "qr_density": EncodeQRDensity.MEDIUM,
+            #         "qr_density": EncodeQR.DENSITY__MEDIUM,
             #         "custom_derivation": "m/"
             #     },
             #     "features": {
@@ -254,7 +329,7 @@ class Settings(Singleton):
             #     }
             # }
 
-            # # Read persistent settings, if it exists
+            # TODO: Read persistent settings, if it exists
             # if os.path.exists(Settings.SETTINGS_FILENAME):
             #     with open(Settings.SETTINGS_FILENAME) as settings_file:
             #         settings._data.update(json.load(settings_file))
@@ -287,43 +362,45 @@ class Settings(Singleton):
         self._data[attr_name] = value
         # self.save()
     
-    # TODO: auto-intialize dict keys as getter properties?
+
     def get_value(self, attr_name: str):
         if attr_name not in self._data:
             raise Exception(f"Setting for {attr_name} not found")
         return self._data[attr_name]
 
 
-    ### persistent settings handling
+    def get_value_display_name(self, attr_name: str) -> str:
+        if attr_name not in self._data:
+            raise Exception(f"Setting for {attr_name} not found")
+        settings_entry = SettingsDefinition.get_settings_entry(attr_name)
+        if settings_entry.type in [SettingsConstants.TYPE__FREE_ENTRY, SettingsConstants.TYPE__MULTISELECT]:
+            raise Exception(f"Unsupported SettingsEntry.type: {settings_entry.type}")
+        return settings_entry.get_selection_option_display_name_by_value(value=self._data[attr_name])
+    
+
+    def get_multiselect_value_display_names(self, attr_name: str) -> List[str]:
+        if attr_name not in self._data:
+            raise Exception(f"Setting for {attr_name} not found")
+        settings_entry = SettingsDefinition.get_settings_entry(attr_name)
+        if settings_entry.type != SettingsConstants.TYPE__MULTISELECT:
+            raise Exception(f"Unsupported SettingsEntry.type: {settings_entry.type}")
+
+        display_names = []
+        for value in self._data[attr_name]:
+            display_names.append(settings_entry.get_selection_option_display_name_by_value(value))
+        return display_names
+
+
 
     @property
-    def persistent_settings(self):
+    def persistent_settings(self) -> bool:
         return self._data[SettingsConstants.SETTING__PERSISTENT_SETTINGS] == SettingsConstants.OPTION__ENABLED
 
     @property
-    def persistent_display(self):
-        if self.persistent:
-            return "Yes"
-        else:
-            return "No"
-
-    ### system
-
-    @property
-    def debug(self):
-        return False
-
-    @property
-    def language(self):
-        return "en"
-        
-    @property
-    def wordlist(self):
-        # TODO: Support BIP-39 wordlists in other languages
-        return bip39.WORDLIST
-
-    ### display
+    def debug(self) -> bool:
+        return self._data[SettingsConstants.SETTING__DEBUG] == SettingsConstants.OPTION__ENABLED
 
+    # TODO: Deeper support for GUI-wide color customization
     @property
     def text_color(self):
         from seedsigner.gui.components import GUIConstants
@@ -333,54 +410,9 @@ class Settings(Singleton):
     def qr_background_color(self):
         return self._data["display"]["qr_background_color"]
 
-    @qr_background_color.setter
-    def qr_background_color(self, value):
-        self._data["display"]["qr_background_color"] = value
-        self.__writeConfig()
 
-    @property
-    def camera_rotation(self):
-        return 0
-
-    @camera_rotation.setter
-    def camera_rotation(self, value: int):
-        if value in [0, 90, 180, 270]:
-            self._data["display"]["camera_rotation"] = value
-            self.save()
-        else:
-            raise Exception("Unexpected display.camera_rotation settings.json value")
-
-    ### wallet
-
-    @property
-    def network(self):
-        return SeedConstants.MAINNET
-
-    @network.setter
-    def network(self, value):
-        if value in [SeedConstants.MAINNET, SeedConstants.TESTNET]:
-            self._data["wallet"]["network"] = value
-            self.save()
-        else:
-            raise Exception("Unexpected wallet.network settings.json value")
-
-    @property
-    def coordinators(self):
-        return self._data[SettingsConstants.SETTING__COORDINATORS]
-
-    @property
-    def qr_density(self):
-        return self._data["wallet"]["qr_density"]
-
-    @qr_density.setter
-    def qr_density(self, value):
-        if value in (EncodeQRDensity.LOW, EncodeQRDensity.MEDIUM, EncodeQRDensity.HIGH, int(EncodeQRDensity.LOW), int(EncodeQRDensity.MEDIUM), int(EncodeQRDensity.HIGH)):
-            self._data["wallet"]["qr_density"] = int(value)
-            self.save()
-        else:
-            raise Exception("Unexpected wallet.qr_density settings.json value")
-
-    def qr_psbt_type(self, coordinator):
+    @staticmethod
+    def qr_psbt_type(coordinator):
         if coordinator == SettingsConstants.COORDINATOR__SPECTER_DESKTOP:
             return QRType.PSBTSPECTER
         else:
@@ -388,28 +420,17 @@ class Settings(Singleton):
 
     @property
     def qr_xpub_type(self):
-        return Settings.getXPubType(self.coordinators)
+        return Settings.getXPubType(self._data[SettingsConstants.SETTING__COORDINATORS])
 
     @staticmethod
-    def getXPubType(software):
-        if software == SettingsConstants.COORDINATOR__SPECTER_DESKTOP:
+    def getXPubType(coordinators):
+        if coordinators == [SettingsConstants.COORDINATOR__SPECTER_DESKTOP]:
             return QRType.SPECTERXPUBQR
-        elif software == "Blue Wallet":
+        elif coordinators == [SettingsConstants.COORDINATOR__BLUE_WALLET]:
             return QRType.XPUBQR
         else:
             return QRType.URXPUBQR
 
-    @property
-    def qr_density_name(self):
-        if self.qr_density == EncodeQRDensity.LOW:
-            return "Low"
-        elif self.qr_density == EncodeQRDensity.MEDIUM:
-            return "Medium"
-        elif self.qr_density == EncodeQRDensity.HIGH:
-            return "High"
-        else:
-            return "Unknown"
-
     @property
     def custom_derivation(self):
         return self._data["wallet"]["custom_derivation"]
@@ -419,64 +440,3 @@ class Settings(Singleton):
         # TODO: parse and validate custom derivation path
         self._data["wallet"]["custom_derivation"] = value
         self.save()
-
-    @staticmethod
-    def calc_derivation(network, wallet_type, script_type):
-        # TODO: Move this to Seed?
-        if network == SeedConstants.MAINNET:
-            network_path = "0'"
-        elif network == SeedConstants.TESTNET:
-            network_path = "1'"
-        else:
-            raise Exception("Unexpected network")
-
-        if wallet_type == SeedConstants.SINGLE_SIG:
-            if script_type == SeedConstants.NATIVE_SEGWIT:
-                return f"m/84'/{network_path}/0'"
-            elif script_type == SeedConstants.NESTED_SEGWIT:
-                return f"m/49'/{network_path}/0'"
-            elif script_type == SeedConstants.TAPROOT:
-                return f"m/86'/{network_path}/0'"
-            else:
-                raise Exception("Unexpected script type")
-
-        elif wallet_type == SeedConstants.MULTISIG:
-            if script_type == SeedConstants.NATIVE_SEGWIT:
-                return f"m/48'/{network_path}/0'/2'"
-            elif script_type == SeedConstants.NESTED_SEGWIT:
-                return f"m/48'/{network_path}/0'/1'"
-            elif script_type == SeedConstants.TAPROOT:
-                raise Exception("Taproot multisig/musig not yet supported")
-            else:
-                raise Exception("Unexpected script type")
-        else:
-            raise Exception("Unexpected wallet type")
-
-    # Features
-    @property
-    def xpub_export(self):
-        return self._data["features"].get("xpub_export")
-    
-    @property
-    def sig_types(self) -> List[str]:
-        return self._data["features"].get("sig_types")
-
-    @property
-    def script_types(self) -> List[str]:
-        return self._data["features"].get("script_types")
-
-    @property
-    def show_xpub_details(self) -> bool:
-        return self._data["features"].get("show_xpub_details") == SettingsConstants.OPTION__ENABLED
-
-    @property
-    def passphrase(self):
-        return "Enabled"
-
-    @property
-    def show_privacy_warnings(self) -> bool:
-        return self._data["features"].get("show_privacy_warnings") == SettingsConstants.OPTION__ENABLED
-
-    @property
-    def show_dire_warnings(self) -> bool:
-        return self._data["features"].get("show_dire_warnings") == SettingsConstants.OPTION__ENABLED

src/seedsigner/views/psbt_views.py

@@ -28,8 +28,8 @@ class PSBTSelectSeedView(View):
         ENTER_WORDS = "Enter 12/24 words"
         button_data = []
         for seed in seeds:
-            button_str = seed.get_fingerprint(self.settings.network)
-            if not PSBTParser.has_matching_input_fingerprint(psbt=self.controller.psbt, seed=seed, network=self.settings.network):
+            button_str = seed.get_fingerprint(self.settings.get_value_display_name(SettingsConstants.SETTING__NETWORK))
+            if not PSBTParser.has_matching_input_fingerprint(psbt=self.controller.psbt, seed=seed, network=self.settings.get_value(SettingsConstants.SETTING__NETWORK)):
                 # Doesn't look like this seed can sign the current PSBT
                 button_str += " (?)"
             
@@ -40,12 +40,11 @@ class PSBTSelectSeedView(View):
         button_data.append(SCAN_SEED)
         button_data.append(ENTER_WORDS)
 
-        screen = ButtonListScreen(
+        selected_menu_num = ButtonListScreen(
             title="Select Signer",
             is_button_text_centered=False,
             button_data=button_data
-        )
-        selected_menu_num = screen.display()
+        ).display()
 
         if selected_menu_num == RET_CODE__BACK_BUTTON:
             return Destination(BackStackView)
@@ -79,7 +78,7 @@ class PSBTOverviewView(View):
             self.controller.psbt_parser = PSBTParser(
                 self.controller.psbt,
                 seed=self.controller.psbt_seed,
-                network=self.controller.settings.network
+                network=self.controller.settings.get_value(SettingsConstants.SETTING__NETWORK)
             )
 
 
@@ -112,8 +111,7 @@ class PSBTOverviewView(View):
 
 class PSBTNoChangeWarningView(View):
     def run(self):
-        screen = psbt_screens.PSBTNoChangeWarningScreen()
-        selected_menu_num = screen.display()
+        selected_menu_num = psbt_screens.PSBTNoChangeWarningScreen().display()
 
         if selected_menu_num == RET_CODE__BACK_BUTTON:
             return Destination(BackStackView)
@@ -140,15 +138,14 @@ class PSBTAmountDetailsView(View):
             # Should not be able to get here
             return Destination(MainMenuView)
         
-        screen = PSBTAmountDetailsScreen(
+        selected_menu_num = PSBTAmountDetailsScreen(
             input_amount=psbt_parser.input_amount,
             num_inputs=psbt_parser.num_inputs,
             spend_amount=psbt_parser.spend_amount,
             num_recipients=psbt_parser.num_destinations,
             fee_amount=psbt_parser.fee_amount,
             change_amount=psbt_parser.change_amount,
-        )
-        selected_menu_num = screen.display()
+        ).display()
 
         if selected_menu_num == RET_CODE__BACK_BUTTON:
             return Destination(BackStackView)
@@ -185,15 +182,13 @@ class PSBTAddressDetailsView(View):
         else:
             button_data.append("Next")
 
-        screen = psbt_screens.PSBTAddressDetailsScreen(
+        selected_menu_num = psbt_screens.PSBTAddressDetailsScreen(
             title=title,
             button_data=button_data,
             address=psbt_parser.destination_addresses[self.address_num],
             amount=psbt_parser.destination_amounts[self.address_num],
             is_change=self.is_change,
-        )
-
-        selected_menu_num = screen.display()
+        ).display()
 
         if selected_menu_num == 0:
             if self.address_num < len(psbt_parser.destination_addresses) - 1:
@@ -233,10 +228,10 @@ class PSBTChangeDetailsView(View):
 
         # Single-sig verification is easy. We expect to find a single fingerprint
         # and derivation path.
-        print(f"seed fingerprint: {self.controller.psbt_seed.get_fingerprint(self.settings.network)}")
+        print(f"seed fingerprint: {self.controller.psbt_seed.get_fingerprint(self.settings.get_value(SettingsConstants.SETTING__NETWORK))}")
         print(change_data)
 
-        if self.controller.psbt_seed.get_fingerprint(self.settings.network) != change_data.get("fingerprint")[0]:
+        if self.controller.psbt_seed.get_fingerprint(self.settings.get_value(SettingsConstants.SETTING__NETWORK)) != change_data.get("fingerprint")[0]:
             # TODO: Something is wrong with this psbt(?). Reroute to warning?
             return Destination(MainMenuView)
 
@@ -254,7 +249,7 @@ class PSBTChangeDetailsView(View):
         if psbt_parser.num_change_outputs > 1:
             title += f" (#{self.change_address_num + 1})"
 
-        screen = psbt_screens.PSBTChangeDetailsScreen(
+        selected_menu_num = psbt_screens.PSBTChangeDetailsScreen(
             title=title,
             button_data=["Next"],
             address=change_data.get("address"),
@@ -263,9 +258,7 @@ class PSBTChangeDetailsView(View):
             derivation_path=derivation_path,
             is_own_change_addr=is_own_change_addr,
             own_addr_index=own_addr_index,
-        )
-
-        selected_menu_num = screen.display()
+        ).display()
 
         if selected_menu_num == 0:
             if self.change_address_num < psbt_parser.num_change_outputs - 1:
@@ -290,10 +283,9 @@ class PSBTFinalizeView(View):
             # Should not be able to get here
             return Destination(MainMenuView)
 
-        screen = psbt_screens.PSBTFinalizeScreen(
+        selected_menu_num = psbt_screens.PSBTFinalizeScreen(
             button_data=["Approve PSBT"]
-        )
-        selected_menu_num = screen.display()
+        ).display()
 
         if selected_menu_num == 0:
             # Sign PSBT
@@ -315,8 +307,8 @@ class PSBTFinalizeView(View):
             else:
                 self.controller.psbt = trimmed_psbt
 
-                if len(self.settings.coordinators) == 1:
-                    return Destination(PSBTSignedQRDisplayView, view_args={"coordinator": self.settings.coordinators[0]})
+                if len(self.settings.get_value(SettingsConstants.SETTING__COORDINATORS)) == 1:
+                    return Destination(PSBTSignedQRDisplayView, view_args={"coordinator": self.settings.get_value(SettingsConstants.SETTING__COORDINATORS)[0]})
                 else:
                     return Destination(PSBTSelectCoordinatorView)
 
@@ -327,11 +319,10 @@ class PSBTFinalizeView(View):
 
 class PSBTSelectCoordinatorView(View):
     def run(self):
-        button_data = [c for c in self.settings.coordinators]
-        screen = psbt_screens.PSBTSelectCoordinatorScreen(
+        button_data = self.settings.get_multiselect_value_display_names(SettingsConstants.SETTING__COORDINATORS)
+        selected_menu_num = psbt_screens.PSBTSelectCoordinatorScreen(
             button_data=button_data
-        )
-        selected_menu_num = screen.display()
+        ).display()
 
         if selected_menu_num == RET_CODE__BACK_BUTTON:
             return Destination(BackStackView)
@@ -349,11 +340,10 @@ class PSBTSignedQRDisplayView(View):
         qr_encoder = EncodeQR(
             psbt=self.controller.psbt,
             qr_type=self.settings.qr_psbt_type(self.coordinator),
-            qr_density=self.settings.qr_density,
+            qr_density=self.settings.get_value(SettingsConstants.SETTING__QR_DENSITY),
             wordlist=self.settings.wordlist
         )
-        screen = QRDisplayScreen(qr_encoder=qr_encoder)
-        ret = screen.display()
+        ret = QRDisplayScreen(qr_encoder=qr_encoder).display()
 
         # We're done with this PSBT. Remove all related data
         self.controller.psbt = None
@@ -371,14 +361,13 @@ class PSBTSigningErrorView(View):
             # Should not be able to get here
             return Destination(MainMenuView)
 
-        screen = WarningScreen(
+        selected_menu_num = WarningScreen(
             title="Finalize PSBT",
             warning_icon_name="warning",
             warning_headline="Signing Failed",
             warning_text="",
             button_data=["Select Diff Seed"],
-        )
-        selected_menu_num = screen.display()
+        ).display()
 
         if selected_menu_num == 0:
             return Destination(PSBTSelectSeedView, clear_history=True)

src/seedsigner/views/seed_views.py

@@ -111,20 +111,22 @@ class SeedOptionsView(View):
         button_data = []
 
         if self.controller.psbt:
-            if not PSBTParser.has_matching_input_fingerprint(self.controller.psbt, self.seed, network=self.settings.network):
+            if not PSBTParser.has_matching_input_fingerprint(self.controller.psbt, self.seed, network=self.settings.get_value(SettingsConstants.SETTING__NETWORK)):
+                # This seed does not seem to be a signer for this PSBT
+                # TODO: How sure are we? Should disable this entirely if we're 100% sure?
                 SIGN_PSBT += " (?)"
             button_data.append(SIGN_PSBT)
         
         button_data.append(VIEW_WORDS)
 
-        if self.settings.xpub_export == SettingsConstants.OPTION__ENABLED:
+        if self.settings.get_value(SettingsConstants.SETTING__XPUB_EXPORT) == SettingsConstants.OPTION__ENABLED:
             button_data.append(EXPORT_XPUB)
         
         button_data.append(EXPORT_SEEDQR)
 
         screen = seed_screens.SeedOptionsScreen(
             button_data=button_data,
-            fingerprint=self.seed.get_fingerprint(self.settings.network),
+            fingerprint=self.seed.get_fingerprint(self.settings.get_value(SettingsConstants.SETTING__NETWORK)),
             has_passphrase=self.seed.passphrase is not None
         )
         selected_menu_num = screen.display()
@@ -139,7 +141,7 @@ class SeedOptionsView(View):
         elif button_data[selected_menu_num] == VIEW_WORDS:
             return Destination(SeedWordsWarningView, view_args={"seed_num": self.seed_num})
 
-        elif button_data[selected_menu_num] == EXPORT_XPUB and self.settings.xpub_export == SettingsConstants.OPTION__ENABLED:
+        elif button_data[selected_menu_num] == EXPORT_XPUB and self.settings.get_value(SettingsConstants.SETTING__XPUB_EXPORT) == SettingsConstants.OPTION__ENABLED:
             return Destination(SeedExportXpubSigTypeView, view_args={"seed_num": self.seed_num})                
 
         elif button_data[selected_menu_num] == EXPORT_SEEDQR:
@@ -474,7 +476,7 @@ class SeedExportXpubQRDisplayView(View):
             derivation=derivation_path,
             network=self.settings.network,
             qr_type=qr_type,
-            qr_density=self.settings.qr_density,
+            qr_density=self.settings.get_value(SettingsConstants.SETTING__QR_DENSITY),
             wordlist=self.seed.wordlist
         )
 

src/seedsigner/views/settings_tools_view.py

@@ -2,7 +2,7 @@
 from . import View
 from seedsigner.helpers import B, QR
 from seedsigner.gui.keyboard import Keyboard, TextEntryDisplay
-from seedsigner.models import EncodeQRDensity
+from seedsigner.models import EncodeQR
 
 
 
@@ -58,11 +58,11 @@ class SettingsToolsView(View):
     def display_qr_density_selection(self) -> str:
         r = self.renderer.display_generic_selection_menu(["... [ Return to Settings ]", "Low", "Medium", "High"], "Which QR Density?")
         if r == 2:
-            return EncodeQRDensity.LOW
+            return EncodeQR.DENSITY__LOW
         elif r == 3:
-            return EncodeQRDensity.MEDIUM
+            return EncodeQR.DENSITY__MEDIUM
         elif r == 4:
-            return EncodeQRDensity.HIGH
+            return EncodeQR.DENSITY__HIGH
         else:
             return None
 

src/seedsigner/views/settings_views.py

@@ -41,13 +41,12 @@ class SettingsMenuView(View):
             title = "Dev Options"
             next = None
 
-        screen = ButtonListScreen(
+        selected_menu_num = ButtonListScreen(
             title=title,
             is_button_text_centered=False,
             button_data=button_data,
             selected_button=selected_button,
-        )
-        selected_menu_num = screen.display()
+        ).display()
 
         if selected_menu_num == RET_CODE__BACK_BUTTON:
             if self.visibility == SettingsConstants.VISIBILITY__GENERAL:
@@ -61,38 +60,53 @@ class SettingsMenuView(View):
             return next
 
         else:
-            return Destination(SettingsEntryUpdateView, view_args={"attr_name": settings_entries[selected_menu_num].attr_name})
+            # TODO: Free-entry types (are there any?) will need their own SettingsEntryUpdateFreeEntryView(?).
+            return Destination(SettingsEntryUpdateSelectionView, view_args={"attr_name": settings_entries[selected_menu_num].attr_name})
 
 
 
-class SettingsEntryUpdateView(View):
+class SettingsEntryUpdateSelectionView(View):
+    """
+        Handles changes to all selection-type settings (Multiselect, SELECT_1,
+        Enabled/Disabled, etc).
+    """
     def __init__(self, attr_name: str):
         super().__init__()
         self.settings_entry = SettingsDefinition.get_settings_entry(attr_name)
-        self.selected_button = 0
 
 
     def run(self):
-        button_data = self.settings_entry.possible_values
         cur_value = self.settings.get_value(self.settings_entry.attr_name)
+        button_data = []
         checked_buttons = []
-        for i, value in enumerate(button_data):
+        selected_button = None
+        for i, value in enumerate(self.settings_entry.selection_options):
+            print(value)
+            if type(value) == tuple:
+                value, display_name = value
+            else:
+                display_name = value
+            button_data.append(display_name)
             if (type(cur_value) == list and value in cur_value) or value == cur_value:
                 checked_buttons.append(i)
 
-        screen = settings_screens.SettingsEntryUpdateScreen(
+                if selected_button is None:
+                    # Highlight the selection (for multiselect highlight the first
+                    # selected option).
+                    selected_button = i
+                    print(f"setting selected_button: {i} - {display_name}")
+
+        ret_value = settings_screens.SettingsEntryUpdateSelectionScreen(
             display_name=self.settings_entry.display_name,
             help_text=self.settings_entry.help_text,
             button_data=button_data,
-            selected_button=self.selected_button,
+            selected_button=selected_button,
             checked_buttons=checked_buttons,
             settings_entry_type=self.settings_entry.type,
-        )
-        ret_value = screen.display()
+        ).display()
 
-        if self.settings_entry.type == SettingsConstants.TYPE__MULTISELECT:
-            if ret_value == RET_CODE__BACK_BUTTON:
-                return Destination(
+        destination = None
+        settings_menu_view_destination = Destination(
             SettingsMenuView,
             view_args={
                 "visibility": self.settings_entry.visibility,
@@ -100,37 +114,40 @@ class SettingsEntryUpdateView(View):
             }
         )
 
+        if ret_value == RET_CODE__BACK_BUTTON:
+            return settings_menu_view_destination
+
+        value = self.settings_entry.get_selection_option_value(ret_value)
+
+        if self.settings_entry.type == SettingsConstants.TYPE__FREE_ENTRY:
+            updated_value = ret_value
+            destination = settings_menu_view_destination
+
+        elif self.settings_entry.type == SettingsConstants.TYPE__MULTISELECT:
+            updated_value = list(cur_value)
             if ret_value not in checked_buttons:
                 # This is a new selection to add
-                cur_value.append(self.settings_entry.possible_values[ret_value])
+                updated_value.append(value)
             else:
                 # This is a de-select to remove
-                cur_value.remove(self.settings_entry.possible_values[ret_value])
+                updated_value.remove(value)
+
+        else:
+            # All other types are single selects (e.g. Enabled/Disabled, SELECT_1)
+            updated_value = value
+        
+        print(updated_value)
 
-            # Save the updated selections
         self.settings.set_value(
             attr_name=self.settings_entry.attr_name,
-                value=cur_value
+            value=updated_value
         )
-            # Multiselects stay in place; re-initialize where in the list we left off
+
+        if destination:
+            return destination
+
+        # All selects stay in place; re-initialize where in the list we left off
         # TODO: get Screen.scroll_y to pass in?
         self.selected_button = ret_value
         return self.run()
 
-        elif ret_value == RET_CODE__BACK_BUTTON:
-            return Destination(BackStackView)
-
-        else:
-            self.settings.set_value(
-                attr_name=self.settings_entry.attr_name,
-                value=self.settings_entry.possible_values[ret_value]
-            )
-
-            return Destination(
-                SettingsMenuView,
-                view_args={
-                    "visibility": self.settings_entry.visibility,
-                    "selected_attr": self.settings_entry.attr_name
-                }
-            )
-

src/seedsigner/views/view.py

@@ -55,7 +55,6 @@ class View:
         self.canvas_height = self.renderer.canvas_height
 
         self.buttons = self.controller.buttons
-        self.color = self.controller.color
 
 
     def run(self, **kwargs):
@@ -64,28 +63,6 @@ class View:
         else:
             raise Exception("Must implement in the child class")
 
-    ###
-    ### Reusable components
-    ###
-    # TODO: Obviated by seedsigner.gui.components.TopNav
-    def render_previous_button(self, highlight=False):
-        # Set up the "back" arrow in the upper left
-        arrow = "<"
-        word_font = Fonts.get_font("RobotoCondensed-Bold", 26)
-        top_padding = -3
-        bottom_padding = 3
-        side_padding = 3
-        tw, th = word_font.getsize(arrow)
-        self.previous_button_width = tw + 2 * side_padding
-        if highlight:
-            font_color = "black"
-            background_color = self.color
-        else:
-            font_color = self.color
-            background_color = "black"
-        self.renderer.draw.rectangle((0,0, self.previous_button_width, th + top_padding + bottom_padding), fill=background_color)
-        self.renderer.draw.text((side_padding, top_padding), arrow, fill=font_color, font=word_font)
-
 
 
 @dataclass

tests/test_encodepsbtqr.py

@@ -78,7 +78,7 @@ def test_specter_xpub_qr():
 
     mnemonic = "obscure bone gas open exotic abuse virus bunker shuffle nasty ship dash"
 
-    e = EncodeQR(seed_phrase=mnemonic.split(" "), passphrase="pass", qr_type=QRType.SPECTERXPUBQR, network="test", derivation="m/48h/1h/0h/2h", qr_density=EncodeQRDensity.LOW, wordlist=bip39.WORDLIST)
+    e = EncodeQR(seed_phrase=mnemonic.split(" "), passphrase="pass", qr_type=QRType.SPECTERXPUBQR, network="test", derivation="m/48h/1h/0h/2h", qr_density=EncodeQR.DENSITY__LOW, wordlist=bip39.WORDLIST)
 
     assert e.nextPart() == "p1of4 [c49122a5/48h/1h/0h/2h]Vpub5mXgECaX5yYDN"
     assert e.nextPart() == "p2of4 c5VnUG4jVNptyEg65qUjuofWchQeuMWWiq8rcPBo"
@@ -89,7 +89,7 @@ def test_ur_xpub_qr():
     
     mnemonic = "obscure bone gas open exotic abuse virus bunker shuffle nasty ship dash"
     
-    e = EncodeQR(seed_phrase=mnemonic.split(" "), passphrase="pass", qr_type=QRType.URXPUBQR, network="test", derivation="m/48h/1h/0h/2h", qr_density=EncodeQRDensity.MEDIUM, wordlist=bip39.WORDLIST)
+    e = EncodeQR(seed_phrase=mnemonic.split(" "), passphrase="pass", qr_type=QRType.URXPUBQR, network="test", derivation="m/48h/1h/0h/2h", qr_density=EncodeQR.DENSITY__MEDIUM, wordlist=bip39.WORDLIST)
     
     assert e.nextPart() == "UR:CRYPTO-ACCOUNT/1-4/LPADAACSJKCYYNRDRTYAHDCAOEADCYSSMECPONAOLYTAADMETAADDLOXAXHDCLAOKSRLNLKPUEGYATHPMNRTAAOLAH"
     assert e.nextPart() == "UR:CRYPTO-ACCOUNT/2-4/LPAOAACSJKCYYNRDRTYAHDCASNKKGHZMLUZORPVDGUOTECSTTKTOLPCWPTNTLKZTTIZTBEAAHDCXVDTPMYQDLAWNGL"