Nft

Inherits: ERC721Enumerable, INft

Extensions to ECR-721 to support an image contract and owner enumeration.

State Variables

_nextTokenId

uint256 private _nextTokenId = 1;

Functions

constructor

constructor(string memory __name, string memory __symbol) ERC721(__name, __symbol);

_mint

Internal function to mint a new NFT and assign it to the specified address.

function _mint(address to) internal returns (uint256 tokenId);

Parameters

Name	Type	Description
to	address	The address to which the NFT will be minted.

Returns

Name	Type	Description
tokenId	uint256	The ID of the newly minted NFT.

onlyTokenIdAuthorizedUser

Modifier to restrict access to functions to the owner of a specific NFT by its tokenId.

modifier onlyTokenIdAuthorizedUser(uint256 tokenId);

tokenOfOwnerByIndexExists

Check if an NFT exists for a given owner and index.

function tokenOfOwnerByIndexExists(address ownerToCheck, uint256 index) public view returns (bool exists);

tokenIdsOfOwner

List of tokenIds by owner.

function tokenIdsOfOwner(address owner) public view returns (uint256[] memory tokenIds);

checkAuthorized

Check if the caller has access to a specific NFT by tokenId.

function checkAuthorized(address spender, uint256 tokenId) public view returns (address owner);

_update

function _update(address to, uint256 tokenId, address auth) internal override(ERC721Enumerable) returns (address);

_increaseBalance

function _increaseBalance(address account, uint128 value) internal override(ERC721Enumerable);

name

function name() public view virtual override(INft, ERC721) returns (string memory);

symbol

function symbol() public view virtual override(INft, ERC721) returns (string memory);

supportsInterface

function supportsInterface(bytes4 interfaceId) public view override(ERC721Enumerable, IERC165) returns (bool);

tokenURI

function tokenURI(uint256 tokenId) public view virtual override(INft, ERC721) returns (string memory);