program: make it easier for jit fills

drift-labs · Jan 24, 2024 · 888bf66 · 888bf66
1 parent 38a92a5
commit 888bf66
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/programs/drift/src/math/matching.rs b/programs/drift/src/math/matching.rs
@@ -18,7 +18,7 @@ pub fn is_maker_for_taker(
     slot: u64,
 ) -> DriftResult<bool> {
     // Maker and taker order not allowed to match if both were placed in the current slot
-    if slot == maker_order.slot && slot == taker_order.slot {
+    if slot == maker_order.slot && slot == taker_order.slot && !maker_order.is_jit_maker() {
         return Ok(false);
     };
 

diff --git a/programs/drift/src/validation/order.rs b/programs/drift/src/validation/order.rs
@@ -220,6 +220,11 @@ fn validate_post_only_order(
     valid_oracle_price: Option<i64>,
     slot: u64,
 ) -> DriftResult {
+    // jit maker can fill against amm
+    if order.is_jit_maker() {
+        return Ok(());
+    }
+
     let limit_price =
         order.force_get_limit_price(valid_oracle_price, None, slot, market.amm.order_tick_size)?;