30 lines
935 B
Python
30 lines
935 B
Python
from trezor import wire
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from trezor.messages.FailureType import ProcessError
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from trezor.messages.Success import Success
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from apps.common import storage
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from apps.management.reset_device import show_warning, show_mnemonic, check_mnemonic, show_wrong_entry
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async def backup_device(ctx, msg):
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if not storage.is_initialized():
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raise wire.FailureError(ProcessError, 'Device is not initialized')
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if not storage.needs_backup():
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raise wire.FailureError(ProcessError, 'Seed already backed up')
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mnemonic = storage.get_mnemonic()
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storage.set_backed_up()
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# warn user about mnemonic safety
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await show_warning(ctx)
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while True:
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# show mnemonic and require confirmation of a random word
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await show_mnemonic(ctx, mnemonic)
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if await check_mnemonic(ctx, mnemonic):
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break
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await show_wrong_entry(ctx)
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return Success(message='Seed successfully backed up')
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