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26 lines
853 B
Solidity
26 lines
853 B
Solidity
2 years ago
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// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
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pragma solidity ^0.8.0;
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/**
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* @dev Interface of the ERC165 standard, as defined in the
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* https://eips.ethereum.org/EIPS/eip-165[EIP].
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*
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* Implementers can declare support of contract interfaces, which can then be
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* queried by others ({ERC165Checker}).
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*
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* For an implementation, see {ERC165}.
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*/
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interface IERC165 {
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/**
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* @dev Returns true if this contract implements the interface defined by
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* `interfaceId`. See the corresponding
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* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
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* to learn more about how these ids are created.
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*
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* This function call must use less than 30 000 gas.
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*/
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function supportsInterface(bytes4 interfaceId) external view returns (bool);
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}
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