From 1c1714d1b33612308b98273036fb2948f9720d92 Mon Sep 17 00:00:00 2001
From: Chris Heaney <chrisheaney30@gmail.com>
Date: Thu, 28 Dec 2023 20:58:09 -0600
Subject: [PATCH] Revert "program: derive auction for crossing limit with no
 duration (#801)"

This reverts commit e7c1801d46b50887868ad274e4b9987d9cbe2de7.
---
 programs/drift/src/controller/orders.rs  |  5 +--
 programs/drift/src/state/order_params.rs | 57 ------------------------
 2 files changed, 1 insertion(+), 61 deletions(-)

diff --git a/programs/drift/src/controller/orders.rs b/programs/drift/src/controller/orders.rs
index 07697e5b2..a9183ab5b 100644
--- a/programs/drift/src/controller/orders.rs
+++ b/programs/drift/src/controller/orders.rs
@@ -98,7 +98,7 @@ pub fn place_perp_order(
     spot_market_map: &SpotMarketMap,
     oracle_map: &mut OracleMap,
     clock: &Clock,
-    mut params: OrderParams,
+    params: OrderParams,
     mut options: PlaceOrderOptions,
 ) -> DriftResult {
     let now = clock.unix_timestamp;
@@ -219,9 +219,6 @@ pub fn place_perp_order(
         (existing_position_direction, base_asset_amount)
     };
 
-    // updates auction params for crossing limit orders w/out auction duration
-    params.update_perp_auction_params(market)?;
-
     let oracle_price_data = oracle_map.get_price_data(&market.amm.oracle)?;
     let (auction_start_price, auction_end_price, auction_duration) = get_auction_params(
         &params,
diff --git a/programs/drift/src/state/order_params.rs b/programs/drift/src/state/order_params.rs
index 73da748ff..aad5cd36e 100644
--- a/programs/drift/src/state/order_params.rs
+++ b/programs/drift/src/state/order_params.rs
@@ -1,6 +1,4 @@
 use crate::controller::position::PositionDirection;
-use crate::error::DriftResult;
-use crate::state::perp_market::PerpMarket;
 use crate::state::user::{MarketType, OrderTriggerCondition, OrderType};
 use anchor_lang::prelude::*;
 use borsh::{BorshDeserialize, BorshSerialize};
@@ -26,61 +24,6 @@ pub struct OrderParams {
     pub auction_end_price: Option<i64>,
 }
 
-impl OrderParams {
-    pub fn update_perp_auction_params(&mut self, perp_market: &PerpMarket) -> DriftResult {
-        if self.order_type != OrderType::Limit {
-            return Ok(());
-        }
-
-        if self.auction_duration.is_some() {
-            return Ok(());
-        }
-
-        if self.post_only != PostOnlyParam::None {
-            return Ok(());
-        }
-
-        if self.immediate_or_cancel {
-            return Ok(());
-        }
-
-        if self.oracle_price_offset.is_some() {
-            return Ok(());
-        }
-
-        match self.direction {
-            PositionDirection::Long => {
-                let reserve_price = perp_market.amm.reserve_price()?;
-                let ask_price = perp_market.amm.ask_price(reserve_price)?;
-                if self.price > ask_price {
-                    let auction_duration = 60;
-                    let auction_start_price = ask_price as i64;
-                    let auction_end_price = self.price as i64;
-                    msg!("derived auction params for limit order. duration = {} start_price = {} end_price = {}", auction_duration, auction_start_price, auction_end_price);
-                    self.auction_duration = Some(auction_duration);
-                    self.auction_start_price = Some(auction_start_price);
-                    self.auction_end_price = Some(auction_end_price);
-                }
-            }
-            PositionDirection::Short => {
-                let reserve_price = perp_market.amm.reserve_price()?;
-                let bid_price = perp_market.amm.bid_price(reserve_price)?;
-                if self.price < bid_price {
-                    let auction_duration = 60;
-                    let auction_start_price = bid_price as i64;
-                    let auction_end_price = self.price as i64;
-                    msg!("derived auction params for limit order. duration = {} start_price = {} end_price = {}", auction_duration, auction_start_price, auction_end_price);
-                    self.auction_duration = Some(auction_duration);
-                    self.auction_start_price = Some(auction_start_price);
-                    self.auction_end_price = Some(auction_end_price);
-                }
-            }
-        }
-
-        Ok(())
-    }
-}
-
 #[derive(Clone, Copy, BorshSerialize, BorshDeserialize, PartialEq, Debug, Eq)]
 pub enum PostOnlyParam {
     None,