Fix Totem being enchantable

src/main/java/xyz/hafemann/netheriteextras/mixin/TotemEnchantableMixin.java

@@ -0,0 +1,26 @@
+package xyz.hafemann.netheriteextras.mixin;
+
+import net.minecraft.enchantment.Enchantment;
+import net.minecraft.item.ItemStack;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import xyz.hafemann.netheriteextras.item.ModItems;
+
+@Mixin(Enchantment.class)
+public class TotemEnchantableMixin {
+    public TotemEnchantableMixin() {}
+
+    @Inject(
+        method = "isAcceptableItem",
+        at = @At("HEAD"),
+        cancellable = true
+    )
+    private void onIsAcceptableItem(ItemStack stack, CallbackInfoReturnable<Boolean> cir) {
+        if (stack.isOf(ModItems.TOTEM_OF_NEVERDYING)) {
+            cir.setReturnValue(false);
+        }
+    }
+}
+

src/main/java/xyz/hafemann/netheriteextras/mixin/TotemUnbreakingEnchantableMixin.java

@@ -0,0 +1,25 @@
+package xyz.hafemann.netheriteextras.mixin;
+
+import net.minecraft.enchantment.UnbreakingEnchantment;
+import net.minecraft.item.ItemStack;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+import xyz.hafemann.netheriteextras.item.ModItems;
+
+@Mixin(UnbreakingEnchantment.class)
+public class TotemUnbreakingEnchantableMixin {
+    public TotemUnbreakingEnchantableMixin() {}
+
+    @Inject(
+            method = "isAcceptableItem",
+            at = @At("HEAD"),
+            cancellable = true
+    )
+    private void onIsAcceptableItem(ItemStack stack, CallbackInfoReturnable<Boolean> cir) {
+        if (stack.isOf(ModItems.TOTEM_OF_NEVERDYING)) {
+            cir.setReturnValue(false);
+        }
+    }
+}

src/main/resources/netheriteextras.mixins.json

@@ -4,6 +4,8 @@
   "package": "xyz.hafemann.netheriteextras.mixin",
   "compatibilityLevel": "JAVA_17",
   "mixins": [
+    "TotemUnbreakingEnchantableMixin",
+    "TotemEnchantableMixin",
     "NetheriteHorseArmorHorseEntityMixin",
     "NetheriteNuggetArmorMixin",
     "NetheriteNuggetToolMixin"