trezor-firmware/core/src/main.py

# isort:skip_file

# unlock the device
import boot  # noqa: F401

# prepare the USB interfaces, but do not connect to the host yet
import usb

from trezor import utils

# start the USB
usb.bus.open()

# switch into unprivileged mode, as we don't need the extra permissions anymore
utils.set_mode_unprivileged()


def _boot_recovery():
    # load applications
    import apps.homescreen

    # boot applications
    apps.homescreen.boot(features_only=True)

    from apps.management.recovery_device.homescreen import recovery_homescreen

    loop.schedule(recovery_homescreen())


def _boot_default():
    # load applications
    import apps.homescreen
    import apps.management
    import apps.wallet
    import apps.ethereum
    import apps.lisk
    import apps.monero
    import apps.nem
    import apps.stellar
    import apps.ripple
    import apps.cardano
    import apps.tezos
    import apps.eos
    import apps.binance

    if __debug__:
        import apps.debug
    else:
        import apps.webauthn

    # boot applications
    apps.homescreen.boot()
    apps.management.boot()
    apps.wallet.boot()
    apps.ethereum.boot()
    apps.lisk.boot()
    apps.monero.boot()
    apps.nem.boot()
    apps.stellar.boot()
    apps.ripple.boot()
    apps.cardano.boot()
    apps.tezos.boot()
    apps.eos.boot()
    apps.binance.boot()
    if __debug__:
        apps.debug.boot()
    else:
        apps.webauthn.boot(usb.iface_webauthn)

    # run main event loop and specify which screen is the default
    from apps.homescreen.homescreen import homescreen

    workflow.startdefault(homescreen)


from trezor import loop, wire, workflow
from apps.common.storage import recovery

while True:
    # initialize the wire codec
    wire.setup(usb.iface_wire)
    if __debug__:
        wire.setup(usb.iface_debug)

    # boot either in recovery or default mode
    if recovery.is_in_progress():
        _boot_recovery()
    else:
        _boot_default()
    loop.run()

    # loop is empty, reboot