dont subtract taker fees in post only orders

openbook-dex · Nov 29, 2023 · 3268f06 · 3268f06
1 parent 78412da
commit 3268f06
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/programs/openbook-v2/src/state/orderbook/book.rs b/programs/openbook-v2/src/state/orderbook/book.rs
@@ -94,9 +94,10 @@ impl<'a> Orderbook<'a> {
         // matched_changes/matched_deletes and then applied after this loop.
 
         let order_max_base_lots = order.max_base_lots;
-        let order_max_quote_lots = match side {
-            Side::Bid => market.subtract_taker_fees(order.max_quote_lots_including_fees),
-            Side::Ask => order.max_quote_lots_including_fees,
+        let order_max_quote_lots = if side == Side::Bid && !post_only {
+            market.subtract_taker_fees(order.max_quote_lots_including_fees)
+        } else {
+            order.max_quote_lots_including_fees
         };
 
         require_gte!(