IERC165

IERC165

supportsInterface

function supportsInterface(bytes4 interfaceId) external view returns (bool)

Query if a contract implements an interface

Interface identification is specified in ERC-165. This function uses less than 30,000 gas.

Parameters

Name	Type	Description
interfaceId	bytes4	The interface identifier, as specified in ERC-165

Return Values

Name	Type	Description
[0]	bool	true if the contract implements interfaceID and interfaceID is not 0xffffffff, false otherwise