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