NFT Contract¶

We keep our eyes on the contemporary NFT standards, not only the EIPs but also the community materials, including

Specification of Metadata¶

Property	Description	Property Upstream
name	The name of the NFT.	ERC-721
description	A brief description of the NFT, which can also be set to the same value as `name`	ERC-721
image	A URL pointing to the primary image associated with the NFT, which can also be set to the same value as the `asset_file`	ERC-721
asset_id	A unique identifier, Nid, for the NFT asset	Numbers Protocol
asset_file	A URL pointing to the actual asset file that represents the NFT	Numbers Protocol
creator	The address of the creator of the NFT	Numbers Protocol
animation_url	A URL pointing to an animation associated with the NFT, which can also be set to the same value as the `asset_file`	OpenSea
~~(deprecated) supporting_file~~	~~A URL pointing to the supporting file associated with the NFT~~	~~Numbers Protocol~~
~~(deprecated) marketplace~~	~~The URL of the marketplace where this NFT is listed, which is `https://captureclub.cc` in this case~~	~~Numbers Protocol~~
~~(deprecated) parent_token~~	~~The token ID of the parent NFT, if this asset is a child NFT~~	~~Numbers Protocol~~
~~(deprecated) parent_contract_address~~	~~The contract address of the parent NFT contract, if this asset is a child NFT~~	~~Numbers Protocol~~
~~(deprecated) parent_network~~	~~The ID of the blockchain network on which the parent NFT contract is deployed, if this asset is a child NFT~~	~~Numbers Protocol~~

Here is an example of the metadata:

{
  "name": "Bangladesh Status",
  "description": "Bangladesh Status",
  "image": "https://ipfs.io/ipfs/bafybeihlesxaiwtvd4ce27v6wfkntlemluq4b5njmhhzvmkjww5oalaglu",
  "asset_file": "https://ipfs.io/ipfs/bafybeihlesxaiwtvd4ce27v6wfkntlemluq4b5njmhhzvmkjww5oalaglu",
  "supporting_file": "",
  "parent_token": null,
  "parent_contract_address": null,
  "parent_network": null,
  "asset_id:": "bafybeihlesxaiwtvd4ce27v6wfkntlemluq4b5njmhhzvmkjww5oalaglu",
  "creator": "0xcCe339eB1159b392Fd0A7488a3C6403BB42123D6",
  "marketplace": "https://captureclub.cc",
  "animation_url": "https://ipfs.io/ipfs/bafybeihlesxaiwtvd4ce27v6wfkntlemluq4b5njmhhzvmkjww5oalaglu"
}