mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-23 06:48:16 +00:00
133 lines
3.7 KiB
Python
133 lines
3.7 KiB
Python
import time
|
|
from typing import Iterator, Tuple
|
|
|
|
Coords = Tuple[int, int]
|
|
|
|
DISPLAY_WIDTH = 240
|
|
DISPLAY_HEIGHT = 240
|
|
|
|
|
|
def grid(dim: int, grid_cells: int, cell: int) -> int:
|
|
step = dim // grid_cells
|
|
ofs = step // 2
|
|
return cell * step + ofs
|
|
|
|
|
|
LEFT = grid(DISPLAY_WIDTH, 3, 0)
|
|
MID = grid(DISPLAY_WIDTH, 3, 1)
|
|
RIGHT = grid(DISPLAY_WIDTH, 3, 2)
|
|
|
|
TOP = grid(DISPLAY_HEIGHT, 4, 0)
|
|
BOTTOM = grid(DISPLAY_HEIGHT, 4, 3)
|
|
|
|
OK = (RIGHT, BOTTOM)
|
|
CANCEL = (LEFT, BOTTOM)
|
|
INFO = (MID, BOTTOM)
|
|
|
|
RECOVERY_DELETE = (LEFT, TOP)
|
|
|
|
CORNER_BUTTON = (215, 25)
|
|
|
|
CONFIRM_WORD = (MID, TOP)
|
|
TOP_ROW = (MID, TOP)
|
|
|
|
RESET_MINUS = (LEFT, grid(DISPLAY_HEIGHT, 5, 1))
|
|
RESET_PLUS = (RIGHT, grid(DISPLAY_HEIGHT, 5, 1))
|
|
|
|
RESET_WORD_CHECK = [
|
|
(MID, grid(DISPLAY_HEIGHT, 5, 2)),
|
|
(MID, grid(DISPLAY_HEIGHT, 5, 3)),
|
|
(MID, grid(DISPLAY_HEIGHT, 5, 4)),
|
|
]
|
|
|
|
|
|
BUTTON_LETTERS_BIP39 = ("abc", "def", "ghi", "jkl", "mno", "pqr", "stu", "vwx", "yz")
|
|
BUTTON_LETTERS_SLIP39 = ("ab", "cd", "ef", "ghij", "klm", "nopq", "rs", "tuv", "wxyz")
|
|
|
|
# fmt: off
|
|
PASSPHRASE_LOWERCASE = (" ", "abc", "def", "ghi", "jkl", "mno", "pqrs", "tuv", "wxyz", "*#")
|
|
PASSPHRASE_UPPERCASE = (" ", "ABC", "DEF", "GHI", "JKL", "MNO", "PQRS", "TUV", "WXYZ", "*#")
|
|
PASSPHRASE_DIGITS = ("1", "2", "3", "4", "5", "6", "7", "8", "9", "0")
|
|
PASSPHRASE_SPECIAL = ("_<>", ".:@", "/|\\", "!()", "+%&", "-[]", "?{}", ",'`", ";\"~", "$^=")
|
|
# fmt: on
|
|
|
|
|
|
def get_passphrase_choices(char: str) -> tuple[str, ...]:
|
|
if char in " *#":
|
|
return PASSPHRASE_LOWERCASE
|
|
|
|
if char.islower():
|
|
return PASSPHRASE_LOWERCASE
|
|
elif char.isupper():
|
|
return PASSPHRASE_UPPERCASE
|
|
elif char.isdigit():
|
|
return PASSPHRASE_DIGITS
|
|
else:
|
|
return PASSPHRASE_SPECIAL
|
|
|
|
|
|
def passphrase(char: str) -> Tuple[Coords, int]:
|
|
choices = get_passphrase_choices(char)
|
|
idx = next(i for i, letters in enumerate(choices) if char in letters)
|
|
click_amount = choices[idx].index(char) + 1
|
|
return pin_passphrase_index(idx), click_amount
|
|
|
|
|
|
def pin_passphrase_index(idx: int) -> Coords:
|
|
if idx == 9:
|
|
idx = 10 # last digit is in the middle
|
|
return pin_passphrase_grid(idx)
|
|
|
|
|
|
def pin_passphrase_grid(idx: int) -> Coords:
|
|
grid_x = idx % 3
|
|
grid_y = idx // 3 + 1 # first line is empty
|
|
return grid35(grid_x, grid_y)
|
|
|
|
|
|
def grid35(x: int, y: int) -> Coords:
|
|
return grid(DISPLAY_WIDTH, 3, x), grid(DISPLAY_HEIGHT, 5, y)
|
|
|
|
|
|
def grid34(x: int, y: int) -> Coords:
|
|
return grid(DISPLAY_WIDTH, 3, x), grid(DISPLAY_HEIGHT, 4, y)
|
|
|
|
|
|
def _grid34_from_index(idx: int) -> Coords:
|
|
grid_x = idx % 3
|
|
grid_y = idx // 3 + 1 # first line is empty
|
|
return grid34(grid_x, grid_y)
|
|
|
|
|
|
def type_word(word: str, is_slip39: bool = False) -> Iterator[Coords]:
|
|
if is_slip39:
|
|
yield from _type_word_slip39(word)
|
|
else:
|
|
yield from _type_word_bip39(word)
|
|
|
|
|
|
def _type_word_slip39(word: str) -> Iterator[Coords]:
|
|
for l in word:
|
|
idx = next(i for i, letters in enumerate(BUTTON_LETTERS_SLIP39) if l in letters)
|
|
yield _grid34_from_index(idx)
|
|
|
|
|
|
def _type_word_bip39(word: str) -> Iterator[Coords]:
|
|
coords_prev: Coords | None = None
|
|
for letter in word:
|
|
time.sleep(0.1) # not being so quick to miss something
|
|
coords, amount = _letter_coords_and_amount(letter)
|
|
# If the button is the same as for the previous letter,
|
|
# waiting a second before pressing it again.
|
|
if coords == coords_prev:
|
|
time.sleep(1.1)
|
|
coords_prev = coords
|
|
for _ in range(amount):
|
|
yield coords
|
|
|
|
|
|
def _letter_coords_and_amount(letter: str) -> Tuple[Coords, int]:
|
|
idx = next(i for i, letters in enumerate(BUTTON_LETTERS_BIP39) if letter in letters)
|
|
click_amount = BUTTON_LETTERS_BIP39[idx].index(letter) + 1
|
|
return _grid34_from_index(idx), click_amount
|