use async_trait::async_trait;
use crate::spot::market::Ticker;
use crate::error::WeexError;
#[async_trait]
pub trait Exchange {
async fn get_ticker(&self, symbol: &str) -> Result<Ticker, WeexError>;
async fn get_balance(&self) -> Result<String, WeexError>;
// Add place_order signatures here properly typed later
}