database.rules.json

{
  "rules": {
    ".write": false,
    ".read": false,
    "battle": {
      ".write": true,
      ".read": true
    },
    "game": {
      ".read": "false",
      ".indexOn": ["pid"],
      "$gid": {
        ".read": true,
        ".write": "!data.exists()",
        "archivedEvents": {
          "unarchivedAt": {
            ".write": "true"
          }
        },
        "events": {
          ".write": "!data.exists()",
          "$eventId": {
            ".write": "!data.exists()"
          }
        },
        "battleData": {
          ".read": true,
          ".write": true
        }
      }
    },
    "puzzle": {
      ".read": true,
      "$pid": {
        ".write": "!data.exists()"
      }
    },
    "puzzlelist": {
      ".read": true,
      "$pid": {
        ".write": "!data.exists()",
        "stats": {
          "numSolves": {
            ".write": true
          }
        }
      }
    },
    "stats": {
      ".read": true,
      "$pid": {
        ".write": "!data.exists()",
        "solves": {
          "$gid": {
            ".write": true
          }
        }
      }
    },
    "counters": {
      ".read": true,
      ".write": true
    },
    "user": {
      ".read": true,
      ".write": true
    },
    "cursors": {
      ".read": true,
      ".write": true
    },
    "history": {
      ".read": true,
      ".write": true
    },
    "composition": {
      ".read": true,
      ".write": true
    },
    "myCompositions": {
      ".read": true,
      ".write": true
    }
  }
}