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179 lines
6.0 KiB
179 lines
6.0 KiB
from micropython import const
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from ubinascii import hexlify
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from trezor import ui
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from trezor.messages import AmountUnit, ButtonRequestType, OutputScriptType
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from trezor.strings import format_amount
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from trezor.ui.text import Text
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from trezor.utils import chunks
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from apps.common.confirm import require_confirm, require_hold_to_confirm
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from .. import addresses
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from . import omni
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if False:
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from typing import Iterator
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from trezor import wire
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from trezor.messages.SignTx import EnumTypeAmountUnit
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from trezor.messages.TxOutput import TxOutput
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from apps.common.coininfo import CoinInfo
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_LOCKTIME_TIMESTAMP_MIN_VALUE = const(500_000_000)
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def format_coin_amount(
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amount: int, coin: CoinInfo, amount_unit: EnumTypeAmountUnit
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) -> str:
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decimals, shortcut = coin.decimals, coin.coin_shortcut
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if amount_unit == AmountUnit.SATOSHI:
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decimals = 0
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shortcut = "sat " + shortcut
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elif amount_unit == AmountUnit.MICROBITCOIN and decimals >= 6:
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decimals -= 6
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shortcut = "u" + shortcut
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elif amount_unit == AmountUnit.MILLIBITCOIN and decimals >= 3:
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decimals -= 3
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shortcut = "m" + shortcut
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# we don't need to do anything for AmountUnit.BITCOIN
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return "%s %s" % (format_amount(amount, decimals), shortcut)
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def split_address(address: str) -> Iterator[str]:
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return chunks(address, 17)
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def split_op_return(data: str) -> Iterator[str]:
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return chunks(data, 18)
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async def confirm_output(
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ctx: wire.Context, output: TxOutput, coin: CoinInfo, amount_unit: EnumTypeAmountUnit
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) -> None:
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if output.script_type == OutputScriptType.PAYTOOPRETURN:
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data = output.op_return_data
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assert data is not None
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if omni.is_valid(data):
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# OMNI transaction
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text = Text("OMNI transaction", ui.ICON_SEND, ui.GREEN)
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text.normal(omni.parse(data))
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else:
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# generic OP_RETURN
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hex_data = hexlify(data).decode()
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if len(hex_data) >= 18 * 5:
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hex_data = hex_data[: (18 * 5 - 3)] + "..."
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text = Text("OP_RETURN", ui.ICON_SEND, ui.GREEN)
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text.mono(*split_op_return(hex_data))
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else:
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address = output.address
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assert address is not None
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address_short = addresses.address_short(coin, address)
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text = Text("Confirm sending", ui.ICON_SEND, ui.GREEN)
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text.normal(format_coin_amount(output.amount, coin, amount_unit) + " to")
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text.mono(*split_address(address_short))
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await require_confirm(ctx, text, ButtonRequestType.ConfirmOutput)
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async def confirm_replacement(ctx: wire.Context, description: str, txid: bytes) -> None:
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text = Text(description, ui.ICON_SEND, ui.GREEN)
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text.normal("Confirm transaction ID:")
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hex_data = hexlify(txid).decode()
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if len(hex_data) >= 18 * 4:
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hex_data = hex_data[: (18 * 4 - 3)] + "..."
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text.mono(*split_op_return(hex_data))
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await require_confirm(ctx, text, ButtonRequestType.SignTx)
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async def confirm_modify_fee(
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ctx: wire.Context,
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user_fee_change: int,
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total_fee_new: int,
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coin: CoinInfo,
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amount_unit: EnumTypeAmountUnit,
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) -> None:
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text = Text("Fee modification", ui.ICON_SEND, ui.GREEN)
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if user_fee_change == 0:
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text.normal("Your fee did not change.")
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else:
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if user_fee_change < 0:
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text.normal("Decrease your fee by:")
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else:
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text.normal("Increase your fee by:")
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text.bold(format_coin_amount(abs(user_fee_change), coin, amount_unit))
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text.br_half()
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text.normal("Transaction fee:")
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text.bold(format_coin_amount(total_fee_new, coin, amount_unit))
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await require_hold_to_confirm(ctx, text, ButtonRequestType.SignTx)
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async def confirm_joint_total(
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ctx: wire.Context,
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spending: int,
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total: int,
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coin: CoinInfo,
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amount_unit: EnumTypeAmountUnit,
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) -> None:
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text = Text("Joint transaction", ui.ICON_SEND, ui.GREEN)
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text.normal("You are contributing:")
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text.bold(format_coin_amount(spending, coin, amount_unit))
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text.normal("to the total amount:")
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text.bold(format_coin_amount(total, coin, amount_unit))
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await require_hold_to_confirm(ctx, text, ButtonRequestType.SignTx)
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async def confirm_total(
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ctx: wire.Context,
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spending: int,
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fee: int,
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coin: CoinInfo,
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amount_unit: EnumTypeAmountUnit,
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) -> None:
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text = Text("Confirm transaction", ui.ICON_SEND, ui.GREEN)
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text.normal("Total amount:")
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text.bold(format_coin_amount(spending, coin, amount_unit))
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text.normal("including fee:")
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text.bold(format_coin_amount(fee, coin, amount_unit))
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await require_hold_to_confirm(ctx, text, ButtonRequestType.SignTx)
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async def confirm_feeoverthreshold(
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ctx: wire.Context, fee: int, coin: CoinInfo, amount_unit: EnumTypeAmountUnit
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) -> None:
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text = Text("High fee", ui.ICON_SEND, ui.GREEN)
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text.normal("The fee of")
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text.bold(format_coin_amount(fee, coin, amount_unit))
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text.normal("is unexpectedly high.", "Continue?")
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await require_confirm(ctx, text, ButtonRequestType.FeeOverThreshold)
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async def confirm_change_count_over_threshold(
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ctx: wire.Context, change_count: int
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) -> None:
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text = Text("Warning", ui.ICON_SEND, ui.GREEN)
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text.normal("There are {}".format(change_count))
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text.normal("change-outputs.")
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text.br_half()
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text.normal("Continue?")
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await require_confirm(ctx, text, ButtonRequestType.SignTx)
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async def confirm_nondefault_locktime(
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ctx: wire.Context, lock_time: int, lock_time_disabled: bool
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) -> None:
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if lock_time_disabled:
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text = Text("Warning", ui.ICON_SEND, ui.GREEN)
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text.normal("Locktime is set but will", "have no effect.")
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text.br_half()
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else:
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text = Text("Confirm locktime", ui.ICON_SEND, ui.GREEN)
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text.normal("Locktime for this", "transaction is set to")
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if lock_time < _LOCKTIME_TIMESTAMP_MIN_VALUE:
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text.normal("blockheight:")
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else:
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text.normal("timestamp:")
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text.bold(str(lock_time))
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text.normal("Continue?")
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await require_confirm(ctx, text, ButtonRequestType.SignTx)
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