program: avoid overwriting 0 duration auction (#1097)

* program: avoid overwriting 0 duration auction * CHANGELOG
drift-labs · Jun 20, 2024 · 5d87639 · 5d87639
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Features
 
+- program: avoid overwriting 0 duration auction (https://github.com/drift-labs/protocol-v2/pull/1097)
 - program: add pyth pull oracles (https://github.com/drift-labs/protocol-v2/pull/1067)
 - ts-sdk: add pyth pull oracle clients
 

diff --git a/programs/drift/src/state/order_params.rs b/programs/drift/src/state/order_params.rs
@@ -55,7 +55,7 @@ impl OrderParams {
             OrderParams::get_perp_baseline_start_price_offset(perp_market, self.direction)?;
         let new_auction_start_price = oracle_price.safe_add(auction_start_price_offset)?;
 
-        if self.auction_duration.is_none() {
+        if self.auction_duration.unwrap_or(0) == 0 {
             match self.direction {
                 PositionDirection::Long => {
                     let ask_premium = perp_market.amm.last_ask_premium()?;