set default values for OrderParams

src/driftpy/drift_client.py

@@ -210,10 +210,10 @@ def convert_to_spot_precision(self, amount: Union[int, float], market_index) ->
         return cast_to_spot_precision(amount, spot_market)
 
     def convert_to_perp_precision(self, amount: Union[int, float]) -> int:
-        return cast(int, amount * BASE_PRECISION)
+        return int(amount * BASE_PRECISION)
 
     def convert_to_price_precision(self, amount: Union[int, float]) -> int:
-        return cast(int, amount * PRICE_PRECISION)
+        return int(amount * PRICE_PRECISION)
 
     async def fetch_market_lookup_table(self) -> AddressLookupTableAccount:
         if self.market_lookup_table_account is not None:
@@ -802,6 +802,7 @@ async def get_place_spot_order_ix(
         order_params: OrderParams,
         sub_account_id: int = 0,
     ):
+        order_params.set_spot()
         user_account_public_key = self.get_user_account_public_key(sub_account_id)
 
         remaining_accounts = self.get_remaining_accounts(
@@ -888,7 +889,9 @@ async def get_place_perp_order_ix(
         order_params: OrderParams,
         sub_account_id: int = 0,
     ):
+        order_params.set_perp()
         user_account_public_key = self.get_user_account_public_key(sub_account_id)
+        user_stats_public_key = self.get_user_stats_public_key()
         remaining_accounts = self.get_remaining_accounts(
             readable_perp_market_indexes=[order_params.market_index],
             user_accounts=[self.get_user_account(sub_account_id)],
@@ -900,6 +903,7 @@ async def get_place_perp_order_ix(
                 accounts={
                     "state": self.get_state_public_key(),
                     "user": user_account_public_key,
+                    "userStats": user_stats_public_key,
                     "authority": self.wallet.public_key,
                 },
                 remaining_accounts=remaining_accounts,

src/driftpy/math/spot_market.py

@@ -39,4 +39,4 @@ def cast_to_spot_precision(
     amount: Union[float, int], spot_market: SpotMarketAccount
 ) -> int:
     precision = 10**spot_market.decimals
-    return cast(int, amount * precision)
+    return int(amount * precision)

src/driftpy/types.py

@@ -327,22 +327,32 @@ class MarketIdentifier:
 @dataclass
 class OrderParams:
     order_type: OrderType
-    market_type: MarketType
-    direction: PositionDirection
-    user_order_id: int
     base_asset_amount: int
-    price: int
     market_index: int
-    reduce_only: bool
-    post_only: PostOnlyParams
-    immediate_or_cancel: bool
-    max_ts: Optional[int]
-    trigger_price: Optional[int]
-    trigger_condition: OrderTriggerCondition
-    oracle_price_offset: Optional[int]
-    auction_duration: Optional[int]
-    auction_start_price: Optional[int]
-    auction_end_price: Optional[int]
+    direction: PositionDirection
+    market_type: MarketType = None
+    user_order_id: int = 0
+    price: int = 0
+    reduce_only: bool = False
+    post_only: PostOnlyParams = PostOnlyParams.NONE()
+    immediate_or_cancel: bool = False
+    max_ts: Optional[int] = None
+    trigger_price: Optional[int] = None
+    trigger_condition: OrderTriggerCondition = OrderTriggerCondition.ABOVE()
+    oracle_price_offset: Optional[int] = None
+    auction_duration: Optional[int] = None
+    auction_start_price: Optional[int] = None
+    auction_end_price: Optional[int] = None
+
+    def set_spot(self):
+        self.market_type = MarketType.SPOT()
+
+    def set_perp(self):
+        self.market_type = MarketType.PERP()
+
+    def check_market_type(self):
+        if self.market_type is None:
+            raise ValueError("market type not set on order params")
 
 
 @dataclass