⛏️checkNFT

Description

The checkNFT function checks the ownership and metadata of a specific non-fungible token (NFT) on the Casper blockchain and returns the NFT's ownership and metadata

Parameters

Name	Type	Description
RPC_API	string	The RPC API endpoint of the Casper blockchain
privateKey	string	The user's private key in string format
tokenId	string	The user's private key in string format

Response

Name	Type	Description
status	number	Indicates if the function was successful (1) or not (0)
balanceOf	number	The balance of the user's account
ownerOfTokenOne	string	The public key of the NFT's owner
tokenOneMeta	object	The metadata of the NFT

Example Request and Response

Prerequisites

Before making requests with Nest SDK, you must have it installed.

You can install Nest SDK using either npm or yarn. Use the following commands to install Nest SDK:

npm install @nest25/casper-lib
OR
yarn add @nest25/casper-lib

Request

Here is an example of how to make a checkNFT request using the Nest SDK:

// import Nest25 Casper library
const { Casper } = require('@nest25/casper-lib');
// create a new Casper instance
const casper = new Casper();

// set testnet variables
const privateKey = 'your-private-key';
const RPC_API = 'https://rpc.testnet.casperlabs.io/rpc';

async function main() {
  // check NFT data using tokenId
  const checkData = await casper.checkNFT(RPC_API, privateKey, '164298');
  console.log(checkData);
}
// call main function
main();

Response

 {
        status: 1,
        balanceOf1: '6',
        ownerOfTokenOne: 'account-hash-b42ea6c352d692cff179749a5023189f92bec6ce81d2c19ad1a1ac2c2c009189',
        tokenOneMeta: Map(4) {
          'description' => 'Bored Ape Mango DESCRIPTION',
          'image' => 'img',
          'name' => 'Bored Ape Mango',
          'royalty' => '40'
        }
}

Use cases

• NFT marketplaces: The function can be used by NFT marketplaces to verify the ownership and metadata of NFTs before displaying them for sale.

• NFT collectors: The function can be used by NFT collectors to check the ownership and metadata of NFTs they have acquired.

• Smart contract developers: The function can be used by smart contract developers to check the ownership and metadata of NFTs in their contracts.