IERC721Enumerable

ERC-721 Non-Fungible Token Standard, optional enumeration extension

See https://eips.ethereum.org/EIPS/eip-721 Note: the ERC-165 identifier for this interface is 0x780e9d63.

Methods

tokenByIndex

function tokenByIndex(uint256 _index) external view returns (uint256)

Enumerate valid NFTs

Throws if _index >= totalSupply().

Parameters

Name	Type	Description
_index	uint256	A counter less than totalSupply()

Returns

Name	Type	Description
_0	uint256	The token identifier for the _indexth NFT, (sort order not specified)

tokenOfOwnerByIndex

function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256)

Enumerate NFTs assigned to an owner

Throws if _index >= balanceOf(_owner) or if _owner is the zero address, representing invalid NFTs.

Parameters

Name	Type	Description
_owner	address	An address where we are interested in NFTs owned by them
_index	uint256	A counter less than balanceOf(_owner)

Returns

Name	Type	Description
_0	uint256	The token identifier for the _indexth NFT assigned to _owner, (sort order not specified)