From 932b2589e40f5b11ad87d641e1cd4a6388356b3d7a3dc1d82cd6e26ef2476c0a Mon Sep 17 00:00:00 2001
From: Minimons <morten.g.hermansen@gmail.com>
Date: Mon, 29 Jun 2026 17:04:05 +0200
Subject: [PATCH] 21: Decode 'sizeUsd'

---
 .../anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava b/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava
index dabdee9..b4a52b5 100644
--- a/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava
+++ b/src/main/tjava/com/r35157/libs/jupiter/perps/impl/anchoridl/AnchorIdlJupiterPerpsPositionDecoder.tjava
@@ -47,7 +47,14 @@ class AnchorIdlJupiterPerpsPositionDecoder {
                 .valueOf(rawCollateralUsd)
                 .movePointLeft(6);
 
-        ΩUSDCAmountΩ sizeUsd = BigDecimal.ZERO;
+        long rawSizeUsd = ByteBuffer
+                .wrap(data, SIZE_USD_OFFSET, U64_LENGTH)
+                .order(ByteOrder.LITTLE_ENDIAN)
+                .getLong();
+
+        ΩUSDCAmountΩ sizeUsd = BigDecimal
+                .valueOf(rawSizeUsd)
+                .movePointLeft(6);
 
         JupiterPerpsPosition pos = new JupiterPerpsPosition(
                 positionAccount,