ERC-165 Standard Interface Detection

FinalERCcreated 2018-01-23189 later proposals build on itrequires EIP-214

Authors: Christian Reitwießner, Nick Johnson, Fabian Vogelsteller, Jordi Baylina, Konrad Feldmeier, William Entriken

ERC-165 interface ids

Computed here as the XOR of the selectors each interface defines.

ERC165 0x01ffc9a7

0x01ffc9a7 supportsInterface(bytes4) view

Interfaces the spec defines alongside the core one, which an implementation may or may not carry.

`0x19ff1d21`	`hello()`
`0xdf419679`	`world(int256)`

`0x60c33c60`	`is2D()`
`0x137588f2`	`skinColor()`

`0x60c33c60`	`is2D()`
`0x137588f2`	`skinColor()`

Proposals this one names in its requires field.

Later proposals that name this one in their requires field.