import tinkoff_grpc
import market_trade.constants

api_address = market_trade.constants.TINKOFF_API_ADDRESS
token = market_trade.constants.TINKOFF_BEARER_TOKEN
authorization_field = market_trade.constants.TINKOFF_AUTHORIZATION_HEADER
with tinkoff_grpc.Channel(api_address=api_address,
                          token=token,
                          authorization_field=authorization_field) as tinkoff_channel:
    instrument_service = tinkoff_grpc.InstrumentsService(tinkoff_channel)
    currencies = instrument_service.get_currencies(market_trade.constants.DEFAULT_INSTRUMENT_STATUS)
    for currency in currencies:
        print(currency.figi, currency.iso_code)