dropt chest script

{
    "rules": [
      {
        "match": {
          "blocks": {
            "blocks": [
              "minecraft:chest"
            ]
          },
          "drops": {
            "drops": [
              "minecraft:chest"
            ]
          },
          "harvester": {
            "type": "PLAYER",
            "gamestages": {
                "type": "BLACKLIST",
                "require": "ALL",
                "stages": [
                    "chests"
                ]
            }
          }
        },
        "replaceStrategy": "REPLACE_ITEMS",
        "dropCount": {
            "min": 1,
            "max": 4,
            "fortuneModifier": 1
          },
        "drops": [
            {
                "item":{
                    "items": [
                        "minecraft:planks"
                    ]
                }
            }
        ]
      }
    ]
}