Upgrade Help: The filter context has been removed in 7.X will old query work?

Will my query from 6.X still work? I'm hoping I don't have to change the query since it's being ran on legacy apps.

        {
      "constant_score": {
        "filter": {
          "bool": {
            "adjust_pure_negative": true,
            "must": [
              {
                "bool": {
                  "adjust_pure_negative": true,
                  "should": [
                    {
                      "bool": {
                        "adjust_pure_negative": true,
                        "must": [
                          {
                            "term": {
                              "userNumber": {
                                "boost": 1,
                                "value": 42                              }
                            }
                          },
                          {
                            "range": {
                              "date": {
                                "format": "yyyy-MM-dd",
                                "include_lower": true,
                                "include_upper": true,
                                "from": "2018-02-18",
                                "boost": 1,
                                "to": "2018-03-03"
                              }
                            }
                          }
                        ],
                        "boost": 1
                      }
                    }
                  ],
                  "minimum_should_match": "1",
                  "boost": 1
                }
              }
            ],
            "boost": 1
          }
        },
        "boost": 1
      }
    }