def update_address(self):
self.show_loader(title="Deriving address...")
if self.idx > 0:
self.prv.set_state(lv.btn.STATE.REL)
else:
self.prv.set_state(lv.btn.STATE.INA)
addr, gap = self.wallet.get_address(self.idx,
network=self.network,
change=self.change)
prefix = "Change" if self.change else "Receiving"
note = "%s address #%d" % (prefix, self.idx)
self.note.set_text(note)
self.message.set_text(format_addr(addr, words=4))
self.qr.set_text("bitcoin:" + addr)
if self.idx > gap:
self.warning.set_text("This address exceeds the gap limit.\n"
"Your watching wallet may not track balance "
"received to it!")
elif self.idx < self.wallet.unused_recv:
self.warning.set_text("This address may have been used before.\n"
"Reusing it would diminish your privacy!")
else:
self.warning.set_text("")
self.hide_loader()
async def check_unknown_assets(self, meta, show_screen):
unknown_assets = {sc["raw_asset"] for sc in (meta["inputs"]+meta["outputs"]) if "raw_asset" in sc}
if len(unknown_assets) == 0:
return
scr = Prompt(
"Warning!",
"\nUnknown assets in the transaction!\n\n\n"
"Number of unknown assets: %d\n\n"
"Do you want to label them?\n"
"Otherwise they will be rendered\nwith partial hex id." % len(unknown_assets),
)
if await show_screen(scr):
for asset in unknown_assets:
# return False if the user cancelled
scr = InputScreen("Asset\n\n"+format_addr(hexlify(bytes(reversed(asset))).decode(), letters=8, words=2),
note="\nChoose a label for unknown asset.\nBetter to keep it short, like LBTC or LDIY")
scr.ta.set_pos(190, 350)
scr.ta.set_width(100)
lbl = await show_screen(scr)
# if user didn't label the asset - go to the next one
if not lbl:
continue
else:
self.assets[asset] = lbl
self.save_assets()
# replace labels we just saved
for sc in meta["inputs"] + meta["outputs"]:
if sc.get("raw_asset"):
sc["asset"] = self.asset_label(sc["raw_asset"])
def __init__(self, wallet, network, idx=None, branch_index=0):
self.wallet = wallet
self.network = network
self.idx = wallet.unused_recv
addr, gap = wallet.get_address(self.idx,
network=network,
branch_index=branch_index)
super().__init__(
" " + wallet.name + " #708092 " + lv.SYMBOL.EDIT,
format_addr(addr, words=4),
"bitcoin:" + addr,
qr_width=350,
)
self.title.set_recolor(True)
self.title.set_click(True)
self.title.set_event_cb(on_release(self.rename))
self.policy = add_label(wallet.policy, y=55, style="hint", scr=self)
style = lv.style_t()
lv.style_copy(style, self.message.get_style(0))
style.text.font = lv.font_roboto_mono_22
self.message.set_style(0, style)
# index
self.branch_index = branch_index
self.note = add_label("%s address #%d" % (self.prefix, self.idx),
y=80,
style="hint",
scr=self)
self.qr.align(self.note, lv.ALIGN.OUT_BOTTOM_MID, 0, 15)
self.message.align(self.qr, lv.ALIGN.OUT_BOTTOM_MID, 0, 15)
# warning label for address gap limit
self.warning = add_label("", scr=self)
self.warning.align(self.message, lv.ALIGN.OUT_BOTTOM_MID, 0, 15)
style = lv.style_t()
lv.style_copy(style, self.note.get_style(0))
style.text.color = lv.color_hex(0xFF9A00)
self.warning.set_style(0, style)
# delbtn = add_button("Delete wallet", on_release(cb_del), y=610)
self.prv = add_button(lv.SYMBOL.LEFT, on_release(self.prev), scr=self)
self.nxt = add_button(lv.SYMBOL.RIGHT, on_release(self.next), scr=self)
if self.idx <= 0:
self.prv.set_state(lv.btn.STATE.INA)
self.prv.set_width(70)
self.prv.align(self.qr, lv.ALIGN.OUT_LEFT_MID, -20, 0)
self.prv.set_x(0)
self.nxt.set_width(70)
self.nxt.align(self.qr, lv.ALIGN.OUT_RIGHT_MID, 20, 0)
self.nxt.set_x(HOR_RES - 70)
self.menubtn = add_button(lv.SYMBOL.SETTINGS + " Settings",
on_release(self.show_menu),
scr=self)
self.menubtn.align(self.close_button, lv.ALIGN.OUT_TOP_MID, 0, -20)
if idx is not None:
self.idx = idx
self.update_address()
async def process_host_command(self, stream, show_screen):
platform.delete_recursively(self.tempdir)
cmd, stream = self.parse_stream(stream)
if cmd == ADD_ASSET:
arr = stream.read().decode().split(" ")
if len(arr) != 2:
raise WalletError("Invalid number of arguments. Usage: addasset <hex_asset> asset_lbl")
hexasset, assetlbl = arr
if await show_screen(Prompt("Import asset?",
"Asset:\n\n"+format_addr(hexasset, letters=8, words=2)+"\n\nLabel: "+assetlbl)):
asset = bytes(reversed(unhexlify(hexasset)))
self.assets[asset] = assetlbl
self.save_assets()
return BytesIO(b"success"), {}
elif cmd == DUMP_ASSETS:
return BytesIO(self.assets_json()), {}
else:
stream.seek(0)
return await super().process_host_command(stream, show_screen)