db.rules.json

{
  "rules": {
    "games": {
      ".read": "auth !== null && root.child('users').child(auth.uid).child('verified').val() === true",
      "$game": {
        ".write": "auth !== null && root.child('users').child(auth.uid).child('verified').val() === true",
        ".validate": "newData.hasChild('gid')",
        "gid": {
          ".validate": "$game === newData.val()"
        }
      }
    },
    "users": {
      ".read": "auth !== null && root.child('users').child(auth.uid).child('verified').val() === true",
      "$user_id": {
        ".read": "auth !== null && auth.uid === $user_id",
        "name": {
          ".write": "auth !== null && auth.uid === $user_id",
          ".validate": "newData.isString() && newData.val().length >= 2 && newData.val().length <= 12"
        }
      }
    },
    "messaging": {
      "$user_id": {
        ".read": "auth !== null && auth.uid === $user_id && root.child('users').child(auth.uid).child('verified').val() === true",
        ".write": "auth !== null && auth.uid === $user_id && root.child('users').child(auth.uid).child('verified').val() === true"
      }
    },
    "events": {
      ".read": "auth !== null && root.child('users').child(auth.uid).child('verified').val() === true",
      "$event": {
        ".write": "auth !== null && root.child('users').child(auth.uid).child('verified').val() === true && (data.child('creator').val() === auth.uid || newData.child('creator').val() === auth.uid)",
        ".validate": "newData.hasChildren(['id','creator'])",
        "id": {
          ".validate": "$event === newData.val()"
        },
        "creator": {
          ".validate": "!data.exists()"
        },
        "lastVoted": {
          "$voter": {
            ".write": "auth !== null && root.child('users').child(auth.uid).child('verified').val() === true && $voter === auth.uid"
          }
        },
        "days": {
          "$day": {
            "$time": {
              "votes": {
              	"$voter": {
                	".write": "auth !== null && root.child('users').child(auth.uid).child('verified').val() === true && $voter === auth.uid"
              	}
            	}
            }
          }
        }
      }
    },
    "calendar": {
      ".read": "auth !== null && root.child('users').child(auth.uid).child('verified').val() === true"
    }
  }
}