place_buy.rs

place_buy.rs

// get the buy point
// buy action
async fn try_to_buy(&mut self, diff: f32) -> Result<f32, Box<dyn Error>> {
  if diff >= self.trading_config.upward_trend_threshold
    || diff <= self.trading_config.dip_threshold {
      let current_balance = self.get_balances().await?;
      info!(
        "[BALANCE] current account balance {:?} $ USD",
        current_balance
      );
      self.trading_config.last_operation_price = self.place_buy_order(current_balance).await?;
      // set to the next action to sell
      self.trading_config.next_operation = State::SELL;
      info!(
        "[BUY] Bought 0.002 BTC for {:?} $ USD",
        self.trading_config.last_operation_price
      );
    }
    Ok(self.trading_config.last_operation_price)
}