55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
from ubinascii import hexlify
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from trezor import ui
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from trezor.utils import chunks, format_amount
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from trezor.ui.text import Text
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from trezor.messages import ButtonRequestType
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from trezor.messages import OutputScriptType
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from apps.common.confirm import confirm
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from apps.common.confirm import hold_to_confirm
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def format_coin_amount(amount, coin):
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return '%s %s' % (format_amount(amount, 8), coin.coin_shortcut)
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def split_address(address):
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return chunks(address, 17)
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def split_op_return(data):
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return chunks(data, 18)
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async def confirm_output(ctx, output, coin):
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if output.script_type == OutputScriptType.PAYTOOPRETURN:
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data = hexlify(output.op_return_data).decode()
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if len(data) >= 18 * 5:
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data = data[:(18 * 5 - 3)] + '...'
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content = Text('OP_RETURN', ui.ICON_SEND,
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ui.MONO, *split_op_return(data), icon_color=ui.GREEN)
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else:
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address = output.address
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content = Text('Confirm sending', ui.ICON_SEND,
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ui.NORMAL, format_coin_amount(output.amount, coin) + ' to',
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ui.MONO, *split_address(address), icon_color=ui.GREEN)
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return await confirm(ctx, content, ButtonRequestType.ConfirmOutput)
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async def confirm_total(ctx, spending, fee, coin):
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content = Text('Confirm transaction', ui.ICON_SEND,
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'Total amount:',
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ui.BOLD, format_coin_amount(spending, coin),
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ui.NORMAL, 'including fee:',
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ui.BOLD, format_coin_amount(fee, coin), icon_color=ui.GREEN)
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return await hold_to_confirm(ctx, content, ButtonRequestType.SignTx)
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async def confirm_feeoverthreshold(ctx, fee, coin):
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content = Text('High fee', ui.ICON_SEND,
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'The fee of',
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ui.BOLD, format_coin_amount(fee, coin),
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ui.NORMAL, 'is unexpectedly high.',
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'Continue?', icon_color=ui.GREEN)
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return await confirm(ctx, content, ButtonRequestType.FeeOverThreshold)
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