{
  "schema": {
    "bsonType": "object",
    "required": [],
    "properties": {
      "_id": {
        "description": "ID，系统自动生成"
      },
      "mobile": {
        "bsonType": "string",
        "description": "手机号码"
      },
      "email": {
        "bsonType": "string",
        "description": "邮箱"
      },
	  "device_uuid": {
	    "bsonType": "string",
	    "description": "设备UUID，常用于图片验证码"
	  },
      "code": {
        "bsonType": "string",
        "description": "验证码"
      },
      "scene": {
        "bsonType": "string",
        "description": "使用验证码的场景，如：login, bind, unbind, pay"
      },
      "state": {
        "bsonType": "int",
        "description": "验证状态：0 未验证、1 已验证、2 已作废"
      },
      "ip": {
        "bsonType": "string",
        "description": "请求时客户端IP地址"
      },
      "created_date": {
        "bsonType": "timestamp",
        "description": "创建时间"
      },
      "expired_date": {
        "bsonType": "timestamp",
        "description": "过期时间"
      }
    }
  },
  "index": [{
    "IndexName": "mobile_code_",
    "MgoKeySchema": {
      "MgoIndexKeys": [{
        "Name": "mobile",
        "Direction": "1"
      }, {
        "Name": "code",
        "Direction": "1"
      }],
      "MgoIsUnique": false
    }
  }, {
    "IndexName": "email_code_",
    "MgoKeySchema": {
      "MgoIndexKeys": [{
        "Name": "email",
        "Direction": "1"
      }, {
        "Name": "code",
        "Direction": "1"
      }],
      "MgoIsUnique": false
    }
  }, {
    "IndexName": "device_uuid_code_",
    "MgoKeySchema": {
      "MgoIndexKeys": [{
        "Name": "device_uuid",
        "Direction": "1"
      }, {
        "Name": "code",
        "Direction": "1"
      }],
      "MgoIsUnique": false
    }
  }, {
    "IndexName": "expired_data_",
    "MgoKeySchema": {
      "MgoIndexKeys": [{
        "Name": "expired_date",
        "Direction": "1"
      }],
      "MgoIsUnique": false
    }
  }]
}