Checks if a contract implements a function
function simImplementsFunction(address addr, string canonicalSignature) internal returns (bool result)
Parameters
| Name | Type | Description |
|---|---|---|
| addr | address | the contract's address |
| canonicalSignature | string | e.g. transfer(address,uint256) |
Return Values
| Name | Type | Description |
|---|---|---|
| result | bool | true if the contract implements the function, otherwise false |
Notes
- If the address passed to
simImplementsFunctionis not a contract, the result will befalse.