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49 lines
1.3 KiB
Solidity
49 lines
1.3 KiB
Solidity
2 years ago
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// SPDX-License-Identifier: MIT
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// ERC721A Contracts v4.2.3
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// Creator: Chiru Labs
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pragma solidity ^0.8.4;
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import '../IERC721A.sol';
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/**
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* @dev Interface of ERC4907A.
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*/
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interface IERC4907A is IERC721A {
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/**
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* The caller must own the token or be an approved operator.
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*/
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error SetUserCallerNotOwnerNorApproved();
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/**
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* @dev Emitted when the `user` of an NFT or the `expires` of the `user` is changed.
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* The zero address for user indicates that there is no user address.
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*/
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event UpdateUser(uint256 indexed tokenId, address indexed user, uint64 expires);
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/**
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* @dev Sets the `user` and `expires` for `tokenId`.
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* The zero address indicates there is no user.
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*
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* Requirements:
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*
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* - The caller must own `tokenId` or be an approved operator.
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*/
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function setUser(
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uint256 tokenId,
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address user,
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uint64 expires
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) external;
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/**
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* @dev Returns the user address for `tokenId`.
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* The zero address indicates that there is no user or if the user is expired.
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*/
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function userOf(uint256 tokenId) external view returns (address);
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/**
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* @dev Returns the user's expires of `tokenId`.
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*/
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function userExpires(uint256 tokenId) external view returns (uint256);
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}
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