IERC165
Functions
supportsInterface
Query if a contract implements an interface
Interface identification is specified in ERC-165. This function uses less than 30,000 gas.
function supportsInterface(bytes4 interfaceId) external view returns (bool);
Parameters
| Name | Type | Description |
|---|---|---|
interfaceId | bytes4 | The interface identifier, as specified in ERC-165 |
Returns
| Name | Type | Description |
|---|---|---|
<none> | bool | true if the contract implements interfaceID and interfaceID is not 0xffffffff, false otherwise |