MineAssets/1.12.2/assets/minecraft/recipes/trapped_chest.json

{
  "type": "crafting_shapeless",
  "ingredients": [
    {
      "item": "minecraft:chest"
    },
    {
      "item": "minecraft:tripwire_hook"
    }
  ],
  "result": {
    "item": "minecraft:trapped_chest"
  }
}