43 lines
1.6 KiB
Solidity
43 lines
1.6 KiB
Solidity
|
//SPDX-License-Identifier: CC0-1.0
|
||
|
|
pragma solidity ^0.8.0;
|
||
|
|
|
||
|
|
import "./IERC3525.sol";
|
||
|
|
import "IERC721Enumerable.sol";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @title ERC-3525 Semi-Fungible Token Standard, optional extension for slot enumeration
|
||
|
|
* @dev Interfaces for any contract that wants to support enumeration of slots as well as tokens
|
||
|
|
* with the same slot.
|
||
|
|
* See https://eips.ethereum.org/EIPS/eip-3525
|
||
|
|
* Note: the ERC-165 identifier for this interface is 0x3b741b9e.
|
||
|
|
*/
|
||
|
|
interface IERC3525SlotEnumerable is IERC3525, IERC721Enumerable {
|
||
|
|
/**
|
||
|
|
* @notice Get the total amount of slots stored by the contract.
|
||
|
|
* @return The total amount of slots
|
||
|
|
*/
|
||
|
|
function slotCount() external view returns (uint256);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @notice Get the slot at the specified index of all slots stored by the contract.
|
||
|
|
* @param _index The index in the slot list
|
||
|
|
* @return The slot at `index` of all slots.
|
||
|
|
*/
|
||
|
|
function slotByIndex(uint256 _index) external view returns (uint256);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @notice Get the total amount of tokens with the same slot.
|
||
|
|
* @param _slot The slot to query token supply for
|
||
|
|
* @return The total amount of tokens with the specified `_slot`
|
||
|
|
*/
|
||
|
|
function tokenSupplyInSlot(uint256 _slot) external view returns (uint256);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @notice Get the token at the specified index of all tokens with the same slot.
|
||
|
|
* @param _slot The slot to query tokens with
|
||
|
|
* @param _index The index in the token list of the slot
|
||
|
|
* @return The token ID at `_index` of all tokens with `_slot`
|
||
|
|
*/
|
||
|
|
function tokenInSlotByIndex(uint256 _slot, uint256 _index) external view returns (uint256);
|
||
|
|
}
|