37 lines
1.8 KiB
Solidity
37 lines
1.8 KiB
Solidity
// 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 "IERC721Metadata.sol";
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/**
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* @title ERC-3525 Semi-Fungible Token Standard, optional extension for metadata
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* @dev Interfaces for any contract that wants to support query of the Uniform Resource Identifier
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* (URI) for the ERC3525 contract as well as a specified slot.
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* Because of the higher reliability of data stored in smart contracts compared to data stored in
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* centralized systems, it is recommended that metadata, including `contractURI`, `slotURI` and
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* `tokenURI`, be directly returned in JSON format, instead of being returned with a url pointing
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* to any resource stored in a centralized system.
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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 0xe1600902.
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*/
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interface IERC3525Metadata is IERC3525, IERC721Metadata {
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/**
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* @notice Returns the Uniform Resource Identifier (URI) for the current ERC3525 contract.
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* @dev This function SHOULD return the URI for this contract in JSON format, starting with
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* header `data:application/json;`.
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* See https://eips.ethereum.org/EIPS/eip-3525 for the JSON schema for contract URI.
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* @return The JSON formatted URI of the current ERC3525 contract
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*/
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function contractURI() external view returns (string memory);
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/**
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* @notice Returns the Uniform Resource Identifier (URI) for the specified slot.
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* @dev This function SHOULD return the URI for `_slot` in JSON format, starting with header
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* `data:application/json;`.
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* See https://eips.ethereum.org/EIPS/eip-3525 for the JSON schema for slot URI.
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* @return The JSON formatted URI of `_slot`
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*/
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function slotURI(uint256 _slot) external view returns (string memory);
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}
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