use crypto_market_type::MarketType;
pub(crate) fn normalize_pair(symbol: &str) -> Option<String> {
if symbol.ends_with("_USD-R") {
let base = symbol.strip_suffix("_USD-R").unwrap();
Some(format!("{}/USD", base))
} else {
Some(symbol.replace('_', "/").to_uppercase())
}
}
pub(crate) fn get_market_type(symbol: &str) -> MarketType {
if symbol.ends_with("_USD-R") {
MarketType::InverseSwap
} else if symbol.ends_with("_USDT") || symbol.ends_with("_ZUSD") {
MarketType::LinearSwap
} else {
MarketType::Spot
}
}