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21 lines
491 B
21 lines
491 B
7 years ago
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pragma solidity ^0.4.23;
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/**
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* @title ERC165
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* @dev https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md
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*/
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interface ERC165 {
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/**
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* @notice Query if a contract implements an interface
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* @param _interfaceId The interface identifier, as specified in ERC-165
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* @dev Interface identification is specified in ERC-165. This function
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* @dev uses less than 30,000 gas.
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*/
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function supportsInterface(bytes4 _interfaceId)
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external
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view
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returns (bool);
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}
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