forked from DecentralizedClimateFoundation/DCIPs
50 lines
1.9 KiB
Solidity
50 lines
1.9 KiB
Solidity
// SPDX-License-Identifier: CC0-1.0
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pragma solidity ^0.8.0;
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/**
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* @title IERC5501: Rental & Delegation NFT - EIP-721 Extension
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* @dev See https://eips.ethereum.org/EIPS/eip-5501
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* @notice the EIP-165 identifier for this interface is 0xf808ec37.
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*/
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interface IERC5501 /* is IERC721 */ {
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/**
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* @dev Emitted when the user of an NFT is modified.
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*/
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event UpdateUser(uint256 indexed _tokenId, address indexed _user, uint64 _expires, bool _isBorrowed);
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/**
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* @notice Set the user info of an NFT.
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* @dev User address cannot be zero address.
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* Only approved operator or NFT owner can set the user.
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* If NFT is borrowed, the user info cannot be changed until user status expires.
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* @param _tokenId uint256 ID of the token to set user info for
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* @param _user address of the new user
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* @param _expires Unix timestamp when user info expires
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* @param _isBorrowed flag whether or not the NFT is borrowed
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*/
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function setUser(uint256 _tokenId, address _user, uint64 _expires, bool _isBorrowed) external;
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/**
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* @notice Get the user address of an NFT.
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* @dev Reverts if user is not set.
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* @param _tokenId uint256 ID of the token to get the user address for
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* @return address user address for this NFT
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*/
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function userOf(uint256 _tokenId) external view returns (address);
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/**
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* @notice Get the user expires of an NFT.
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* @param _tokenId uint256 ID of the token to get the user expires for
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* @return uint64 user expires for this NFT
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*/
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function userExpires(uint256 _tokenId) external view returns (uint64);
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/**
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* @notice Get the user isBorrowed of an NFT.
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* @param _tokenId uint256 ID of the token to get the user isBorrowed for
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* @return bool user isBorrowed for this NFT
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*/
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function userIsBorrowed(uint256 _tokenId) external view returns (bool);
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}
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