from trezor.crypto import random
from trezor.messages import ButtonRequestType
from trezor.messages.Entropy import Entropy
from trezor.ui.text import Text
from apps.common.confirm import require_confirm


async def get_entropy(ctx, msg):

    text = Text('Confirm entropy')
    text.bold('Do you really want', 'to send entropy?')
    text.normal('Continue only if you', 'know what you are doing!')
    await require_confirm(ctx, text, code=ButtonRequestType.ProtectCall)

    size = min(msg.size, 1024)
    entropy = random.bytes(size)

    return Entropy(entropy=entropy)