IERC721Enumerable
Inherits: IERC721
See https://eips.ethereum.org/EIPS/eip-721 Note: the ERC-165 identifier for this interface is 0x780e9d63.
Functions
totalSupply
Count NFTs tracked by this contract
function totalSupply() external view returns (uint256);
Returns
| Name | Type | Description |
|---|---|---|
<none> | uint256 | A count of valid NFTs tracked by this contract, where each one of them has an assigned and queryable owner not equal to the zero address |
tokenByIndex
Enumerate valid NFTs
Throws if _index >= totalSupply().
function tokenByIndex(uint256 _index) external view returns (uint256);
Parameters
| Name | Type | Description |
|---|---|---|
_index | uint256 | A counter less than totalSupply() |
Returns
| Name | Type | Description |
|---|---|---|
<none> | uint256 | The token identifier for the _indexth NFT, (sort order not specified) |
tokenOfOwnerByIndex
Enumerate NFTs assigned to an owner
Throws if _index >= balanceOf(_owner) or if
_owner is the zero address, representing invalid NFTs.
function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256);
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 |
|---|---|---|
<none> | uint256 | The token identifier for the _indexth NFT assigned to _owner, (sort order not specified) |