--- ../src-base/minecraft/net/minecraft/inventory/InventoryLargeChest.java
+++ ../src-work/minecraft/net/minecraft/inventory/InventoryLargeChest.java
@@ -3,11 +3,62 @@
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 
+// CraftBukkit start
+import java.util.List;
+import org.bukkit.craftbukkit.entity.CraftHumanEntity;
+import org.bukkit.entity.HumanEntity;
+// CraftBukkit end
+
 public class InventoryLargeChest implements IInventory
 {
     private String name;
-    private IInventory upperChest;
-    private IInventory lowerChest;
+    public IInventory upperChest; // CraftBukkit - private -> public
+    public IInventory lowerChest; // CraftBukkit - private -> public
+    // CraftBukkit start
+    public List<HumanEntity> transaction = new java.util.ArrayList<HumanEntity>();
+
+    public ItemStack[] getContents()
+    {
+        ItemStack[] result = new ItemStack[this.getSizeInventory()];
+
+        for (int i = 0; i < result.length; i++)
+        {
+            result[i] = this.getStackInSlot(i);
+        }
+
+        return result;
+    }
+
+    public void onOpen(CraftHumanEntity who)
+    {
+        this.upperChest.onOpen(who);
+        this.lowerChest.onOpen(who);
+        transaction.add(who);
+    }
+
+    public void onClose(CraftHumanEntity who)
+    {
+        this.upperChest.onClose(who);
+        this.lowerChest.onClose(who);
+        transaction.remove(who);
+    }
+
+    public List<HumanEntity> getViewers()
+    {
+        return transaction;
+    }
+
+    public org.bukkit.inventory.InventoryHolder getOwner()
+    {
+        return null; // This method won't be called since CraftInventoryDoubleChest doesn't defer to here
+    }
+
+    public void setMaxStackSize(int size)
+    {
+        this.upperChest.setMaxStackSize(size);
+        this.lowerChest.setMaxStackSize(size);
+    }
+    // CraftBukkit end
     private static final String __OBFID = "CL_00001507";
 
     public InventoryLargeChest(String p_i1559_1_, IInventory p_i1559_2_, IInventory p_i1559_3_)
@@ -77,7 +128,7 @@
 
     public int getInventoryStackLimit()
     {
-        return this.upperChest.getInventoryStackLimit();
+        return Math.min(this.upperChest.getInventoryStackLimit(), this.lowerChest.getInventoryStackLimit()); // CraftBukkit - check both sides
     }
 
     public void markDirty()