Expose latest open order ids to platform runtime

crates/fidc-core/src/strategy.rs

@@ -134,6 +134,23 @@ impl StrategyContext<'_> {
             .sum()
     }
 
+    pub fn latest_open_order_id(&self) -> u64 {
+        self.open_orders
+            .iter()
+            .map(|order| order.order_id)
+            .max()
+            .unwrap_or(0)
+    }
+
+    pub fn latest_symbol_open_order_id(&self, symbol: &str) -> u64 {
+        self.open_orders
+            .iter()
+            .filter(|order| order.symbol == symbol)
+            .map(|order| order.order_id)
+            .max()
+            .unwrap_or(0)
+    }
+
     pub fn available_sellable_qty(&self, symbol: &str, raw_sellable_qty: u32) -> u32 {
         raw_sellable_qty.saturating_sub(self.symbol_open_sell_quantity(symbol))
     }