diff --git a/src/driftpy/idl/drift.json b/src/driftpy/idl/drift.json
index 44c84528..621f791a 100644
--- a/src/driftpy/idl/drift.json
+++ b/src/driftpy/idl/drift.json
@@ -1,5 +1,5 @@
 {
-    "version": "2.19.0",
+    "version": "2.22.0",
     "name": "drift",
     "instructions": [
         {
@@ -90,6 +90,54 @@
             ],
             "args": []
         },
+        {
+            "name": "initializeReferrerName",
+            "accounts": [
+                {
+                    "name": "referrerName",
+                    "isMut": true,
+                    "isSigner": false
+                },
+                {
+                    "name": "user",
+                    "isMut": true,
+                    "isSigner": false
+                },
+                {
+                    "name": "userStats",
+                    "isMut": true,
+                    "isSigner": false
+                },
+                {
+                    "name": "authority",
+                    "isMut": false,
+                    "isSigner": true
+                },
+                {
+                    "name": "payer",
+                    "isMut": true,
+                    "isSigner": true
+                },
+                {
+                    "name": "rent",
+                    "isMut": false,
+                    "isSigner": false
+                },
+                {
+                    "name": "systemProgram",
+                    "isMut": false,
+                    "isSigner": false
+                }
+            ],
+            "args": [
+                {
+                    "name": "name",
+                    "type": {
+                        "array": ["u8", 32]
+                    }
+                }
+            ]
+        },
         {
             "name": "deposit",
             "accounts": [
@@ -852,6 +900,32 @@
                 }
             ]
         },
+        {
+            "name": "revertFill",
+            "accounts": [
+                {
+                    "name": "state",
+                    "isMut": false,
+                    "isSigner": false
+                },
+                {
+                    "name": "authority",
+                    "isMut": false,
+                    "isSigner": true
+                },
+                {
+                    "name": "filler",
+                    "isMut": true,
+                    "isSigner": false
+                },
+                {
+                    "name": "fillerStats",
+                    "isMut": true,
+                    "isSigner": false
+                }
+            ],
+            "args": []
+        },
         {
             "name": "fillSpotOrder",
             "accounts": [
@@ -966,6 +1040,32 @@
             ],
             "args": []
         },
+        {
+            "name": "updateUserIdle",
+            "accounts": [
+                {
+                    "name": "state",
+                    "isMut": false,
+                    "isSigner": false
+                },
+                {
+                    "name": "authority",
+                    "isMut": false,
+                    "isSigner": true
+                },
+                {
+                    "name": "filler",
+                    "isMut": true,
+                    "isSigner": false
+                },
+                {
+                    "name": "user",
+                    "isMut": true,
+                    "isSigner": false
+                }
+            ],
+            "args": []
+        },
         {
             "name": "settlePnl",
             "accounts": [
@@ -4447,7 +4547,7 @@
                         "type": "u64"
                     },
                     {
-                        "name": "liquidationStartSlot",
+                        "name": "lastActiveSlot",
                         "type": "u64"
                     },
                     {
@@ -4476,10 +4576,14 @@
                         "name": "isMarginTradingEnabled",
                         "type": "bool"
                     },
+                    {
+                        "name": "idle",
+                        "type": "bool"
+                    },
                     {
                         "name": "padding",
                         "type": {
-                            "array": ["u8", 26]
+                            "array": ["u8", 25]
                         }
                     }
                 ]
@@ -4556,6 +4660,32 @@
                     }
                 ]
             }
+        },
+        {
+            "name": "ReferrerName",
+            "type": {
+                "kind": "struct",
+                "fields": [
+                    {
+                        "name": "authority",
+                        "type": "publicKey"
+                    },
+                    {
+                        "name": "user",
+                        "type": "publicKey"
+                    },
+                    {
+                        "name": "userStats",
+                        "type": "publicKey"
+                    },
+                    {
+                        "name": "name",
+                        "type": {
+                            "array": ["u8", 32]
+                        }
+                    }
+                ]
+            }
         }
     ],
     "types": [
@@ -6140,11 +6270,7 @@
                     },
                     {
                         "name": "Match",
-                        "fields": [
-                            {
-                                "defined": "usize"
-                            }
-                        ]
+                        "fields": ["publicKey", "u16"]
                     }
                 ]
             }
@@ -8535,6 +8661,66 @@
             "code": 6227,
             "name": "TierViolationLiquidatingPerpPnl",
             "msg": "TierViolationLiquidatingPerpPnl"
+        },
+        {
+            "code": 6228,
+            "name": "CouldNotLoadUserData",
+            "msg": "CouldNotLoadUserData"
+        },
+        {
+            "code": 6229,
+            "name": "UserWrongMutability",
+            "msg": "UserWrongMutability"
+        },
+        {
+            "code": 6230,
+            "name": "InvalidUserAccount",
+            "msg": "InvalidUserAccount"
+        },
+        {
+            "code": 6231,
+            "name": "CouldNotLoadUserStatsData",
+            "msg": "CouldNotLoadUserData"
+        },
+        {
+            "code": 6232,
+            "name": "UserStatsWrongMutability",
+            "msg": "UserWrongMutability"
+        },
+        {
+            "code": 6233,
+            "name": "InvalidUserStatsAccount",
+            "msg": "InvalidUserAccount"
+        },
+        {
+            "code": 6234,
+            "name": "UserNotFound",
+            "msg": "UserNotFound"
+        },
+        {
+            "code": 6235,
+            "name": "UnableToLoadUserAccount",
+            "msg": "UnableToLoadUserAccount"
+        },
+        {
+            "code": 6236,
+            "name": "UserStatsNotFound",
+            "msg": "UserStatsNotFound"
+        },
+        {
+            "code": 6237,
+            "name": "UnableToLoadUserStatsAccount",
+            "msg": "UnableToLoadUserStatsAccount"
+        },
+        {
+            "code": 6238,
+            "name": "UserNotInactive",
+            "msg": "User Not Inactive"
+        },
+        {
+            "code": 6239,
+            "name": "RevertFill",
+            "msg": "RevertFill"
         }
     ]
 }
diff --git a/src/driftpy/types.py b/src/driftpy/types.py
index d0dd23a1..aacbdabd 100644
--- a/src/driftpy/types.py
+++ b/src/driftpy/types.py
@@ -236,7 +236,13 @@ class OrderTriggerCondition:
 class MarketType:
     SPOT = constructor()
     PERP = constructor()
- 
+
+@_rust_enum
+class PostOnlyParams:
+    NONE = constructor()
+    TRY_POST_ONLY = constructor()
+    MUST_POST_ONLY = constructor()
+
 @dataclass
 class OrderParams:
     order_type: OrderType
@@ -247,7 +253,7 @@ class OrderParams:
     price: int
     market_index: int
     reduce_only: bool
-    post_only: bool
+    post_only: PostOnlyParams
     immediate_or_cancel: bool
     max_ts: Optional[int]
     trigger_price: Optional[int]
@@ -424,7 +430,7 @@ class Order:
     existing_position_direction: PositionDirection
     direction: PositionDirection
     reduce_only: bool
-    post_only: bool
+    post_only: PostOnlyParams
     immediate_or_cancel: bool
     trigger_condition: OrderTriggerCondition
     auction_duration: int