rustybot/src/managers.rs

@@ -427,16 +427,32 @@ impl OrderManager {
     ) -> Result<(), BoxError> {
         info!("Closing position #{}", position.id());
 
-        debug!("Retrieving open orders...");
-        let open_orders = self.client.active_orders(&self.pair).await?;
+        debug!("Retrieving open orders and current prices...");
+        let (open_orders, order_book) = tokio::join!(
+            self.client.active_orders(&self.pair),
+            self.client.order_book(&self.pair)
+        );
+
+        let open_orders = match open_orders {
+            Ok(open_orders) => open_orders,
+            Err(e) => {
+                error!("Could not retrieve open orders: {}", e);
+                return Err(e);
+            }
+        };
+
+        let order_book = match order_book {
+            Ok(order_book) => order_book,
+            Err(e) => {
+                error!("Could not retrieve order book: {}", e);
+                return Err(e);
+            }
+        };
 
         let opt_position_order = open_orders
             .iter()
             .find(|x| x.current_form.amount().neg() == position.amount());
 
-        debug!("Getting current prices...");
-        let order_book = self.client.order_book(&self.pair).await?;
-
         // checking if the position has an open order.
         // If so, the strategy method is called, otherwise we open
         // an undercut limit order at the best current price.
@@ -560,9 +576,15 @@ impl PairManager {
     }
 
     pub async fn update_managers(&mut self, tick: u64) -> Result<(), BoxError> {
-        let (opt_price_events, opt_price_messages) = self.price_manager.update(tick).await?;
-        let (opt_pos_events, opt_pos_messages) = self.position_manager.update(tick).await?;
-        let (opt_order_events, opt_order_messages) = self.order_manager.update(tick).await?;
+        let (price_results, pos_results, order_results) = tokio::join!(
+            self.price_manager.update(tick),
+            self.position_manager.update(tick),
+            self.order_manager.update(tick)
+        );
+
+        let (opt_price_events, opt_price_messages) = price_results?;
+        let (opt_pos_events, opt_pos_messages) = pos_results?;
+        let (opt_order_events, opt_order_messages) = order_results?;
 
         // TODO: to move into Handler?