🔗buyNFT

Description

The buyNFT function facilitates the purchase of a non-fungible token (NFT) on a blockchain-based marketplace.

The function requires the blockchain name, the private key of the user's wallet, the ID of the token, the payment amount in cryptocurrency, and the address of the NFT contract.

Parameters

Parameter	Type	Description
blockchain	string	The name of the blockchain on which the NFT is being sold (e.g., Ethereum, Binance Smart Chain).
privateKey	string	The private key of the user's wallet.
tokenId	string	The ID of the token being purchased.
payment	string	The amount of cryptocurrency being sent as payment.
nftAddress	string	The address of the NFT contract.

Response

Parameter	Type	Description
code	number	A code indicating whether the transaction was successful (1) or unsuccessful (0).
receipt	string	The transaction hash of the purchase, returned if the transaction was successful.
error	string	An error message, returned if the transaction was unsuccessful. The message describes the error.

Example Request and Response

Prerequisites

Before making requests with NO.AI SDK, you must have it installed.

You can install NO.AI SDK using either npm or yarn. Use the following commands to install NO.AI SDK:

npm install @nest25/evm-chains-lib
OR
yarn add @nest25/evm-chains-lib

Request

Here is an example of how to make a buyNFT request using the NO.AI SDK:

const {NftMarketPlace} = require('@nest25/evm-chains-lib')
// create instance of SOULBOUND
const nftMarketPlace = new NftMarketPlace();
const privateKey = "your private key here"
// nft contract address
let nftContract = '0xaa223c2379daf21526925a07fe466fad7269103a';

const main = async () => {
    // buy nft with klay
    const contract = await nftMarketPlace.buyNFT(
        'klay',
        privateKey,
        '1',
        '10',
        nftContract
    );
    // print result
    console.log(contract);
}
main()

Response

{
  receipt: {
    type: 2,
    chainId: 1001,
    nonce: 247,
    maxPriorityFeePerGas: BigNumber { _hex: '0x3b9aca00', _isBigNumber: true },
    maxFeePerGas: BigNumber { _hex: '0x0bdfd63e00', _isBigNumber: true },
    gasPrice: null,
    gasLimit: BigNumber { _hex: '0x5208', _isBigNumber: true },
    to: '0x3D5Cc05B5419CcD3c1bD510ab026C76F42D20871',
    value: BigNumber { _hex: '0x8ac7230489e80000', _isBigNumber: true },
    data: '0x',
    accessList: [],
    hash: '0xad169c8ebe54a152ae5c50b578b88ef3bd765d62a3161e594b0743636af338b4',
    v: 0,
    r: '0xb8b9e3326cb0df557cf6f24d8173edbf4fd4df535047ace869e22051bffedd0f',
    s: '0x194c5f94dd1cf2644f369b78f2498549fb026d1721692c7b2d340a4836e904be',
    from: '0xE668C72D4C67236A712Ce69A91C74358586f31ed',
    wait: [Function (anonymous)]
  }
}

Use Cases

• Crypto Wallets: The function can be used by crypto wallets to allow users to purchase NFTs on a blockchain-based marketplace.

• NFT Marketplaces: The function can be used by NFT marketplaces to facilitate the purchase of NFTs using cryptocurrency.

• Cryptocurrency Exchanges: The function can be used by cryptocurrency exchanges to enable users to buy and sell NFTs using cryptocurrency.