Version 1.3

Attributes

* is required

Attribute	Description	data format	Example
$schema*	IPFS URL to the schema JSON the given metadata follows. Fixed value for Metadata Version 1.3 in example value.	URL	ipfs://bafkreigscdxuga3bisqbacawavo7yt5ta27okfydppsiy26wbtiiguw52u
historyType*	History Type.	string	auction
hostLUW*	Host LUW, Producer	string	0x8DFea3525EE810A7FEa886Fee69c57e68B5d5052
period*	An object that contains time information of the custom history.	object	{ "from": "2020-01-23", "to": "2020-03-21" }
period.from*	Period from	string	2020-01-23
period.to*	Period to	string	2020-03-21
saleName*	Name of the auction	string	{ "en": "ABC Exhibition", "ja": "エキシビション ABC" }
venue*	Venue of the exhibition. Required if it includes physical auction.	string	{ "en": "Online", "ja": "オンライン", "zh": "一个标题" }
hostCountry*	Country where the auction held. Required if it includes physical auction.	Enumerated string following ISO 3166-2 which is 2-letter code	CN
city	City	string	Beijing
isOnlineOnly	True if the auction is only held online, false if it is held physically.	boolean	true

Complete Example

{
  "$schema": "ipfs://bafkreigscdxuga3bisqbacawavo7yt5ta27okfydppsiy26wbtiiguw52u",
  "historyType": "auction",
  "hostLUW": "0x8DFea3525EE810A7FEa886Fee69c57e68B5d5052",
  "period": {
    "from": "2020-01-23",
    "to": "2020-03-21"
  },
  "saleName": {
    "en": "ABC Auction",
    "ja": "オークション ABC"
  },
  "venue": {
    "en": "Online",
    "ja": "オンライン",
    "zh": "一个标题"
  },
  "hostCountry": "CN",
  "city": "Beijing"
}