ERC-7509 Entity Component System

Draft

🆔 ERC-165 interface ids

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

IWorld	`0xcb6e6701`
IComponent	`0x5a4b96d3`

`0x52c72689`	`addComponent(uint256,address)`
`0x31079556`	`componentExists(address)`	view
`0xddb9b5b1`	`createEntity()`
`0xa7d64d26`	`entityExists(uint256)`	view
`0xb86deedd`	`get(uint256,bytes)`	view
`0x9507d39a`	`get(uint256)`	view
`0x99d50d5d`	`getComponents()`	view
`0xed0d2f11`	`getComponentState(address)`	view
`0x3e2b4731`	`getEntityComponents(uint256)`	view
`0x5d1b45b5`	`getEntityCount()`	view
`0x1ad6f49d`	`getEntityState(uint256)`	view
`0x9c8d52f2`	`getSystems()`	view
`0x8e433cd0`	`getSystemState(address)`	view
`0x879920a1`	`hasComponent(uint256,address)`	view
`0x6078a3b2`	`registerComponent(address)`
`0x32d3e2b8`	`registerSystem(address)`
`0x21f4aa9a`	`removeComponent(uint256,address)`
`0x8b282947`	`set(uint256,bytes)`
`0xba4e849a`	`setComponentState(address,bool)`
`0xd90f49ab`	`setEntityState(uint256,bool)`
`0x196e17a4`	`setSystemState(address,bool)`
`0x43d8879a`	`systemExists(address)`	view
`0xccbff979`	`types()`	view
`0x30b67baa`	`world()`	view