<filename>hummingbot/connector/exchange/bittrex/bittrex_utils.py
from hummingbot.client.config.config_var import ConfigVar
from hummingbot.client.config.config_methods import using_exchange


CENTRALIZED = True

EXAMPLE_PAIR = "ZRX-ETH"

DEFAULT_FEES = [0.25, 0.25]

KEYS = {
    "bittrex_api_key":
        ConfigVar(key="bittrex_api_key",
                  prompt="Enter your Bittrex API key >>> ",
                  required_if=using_exchange("bittrex"),
                  is_secure=True,
                  is_connect_key=True),
    "bittrex_secret_key":
        ConfigVar(key="bittrex_secret_key",
                  prompt="Enter your Bittrex secret key >>> ",
                  required_if=using_exchange("bittrex"),
                  is_secure=True,
                  is_connect_key=True),
}

<filename>hummingbot/connector/exchange/bittrex/bittrex_utils.py
from hummingbot.client.config.config_var import ConfigVar
from hummingbot.client.config.config_methods import using_exchange


CENTRALIZED = True

EXAMPLE_PAIR = "ZRX-ETH"

DEFAULT_FEES = [0.25, 0.25]

KEYS = {
    "bittrex_api_key":
        ConfigVar(key="bittrex_api_key",
                  prompt="Enter your Bittrex API key >>> ",
                  required_if=using_exchange("bittrex"),
                  is_secure=True,
                  is_connect_key=True),
    "bittrex_secret_key":
        ConfigVar(key="bittrex_secret_key",
                  prompt="Enter your Bittrex secret key >>> ",
                  required_if=using_exchange("bittrex"),
                  is_secure=True,
                  is_connect_key=True),
}
