# checks if the trading pair is valid
def validate_trading_pair(value: str) -> Optional[str]:
market = dev_1_get_order_book_config_map.get("exchange").value
return validate_market_trading_pair(market, value)
dev_1_get_order_book_config_map = {
"strategy":
ConfigVar(
key="strategy",
prompt="",
default="dev_1_get_order_book",
),
"exchange":
ConfigVar(
key="exchange",
prompt="Enter the name of the exchange >>> ",
validator=validate_exchange,
on_validated=lambda value: required_exchanges.add(value),
prompt_on_new=True,
),
"trading_pair":
ConfigVar(
key="trading_pair",
prompt=trading_pair_prompt,
validator=validate_trading_pair,
type_str="str",
prompt_on_new=True,
),
}
def derivative_on_validated(value: str):
required_exchanges.add(value)
def secondary_market_on_validated(value: str):
required_exchanges.add(value)
def exchange_on_validated(value: str):
required_exchanges.add(value)
def exchange_post_validation(cls, values: Dict):
required_exchanges.add(values["exchange"])