ERC-6105 No Intermediary NFT Trading Protocol

FinalERCcreated 2022-12-02requires ERC-20, ERC-165, ERC-721, ERC-2981

Adds a marketplace functionality with more diverse royalty schemes to ERC-721

Authors: 5660-eth (@5660-eth), Silvere Heraudeau (@lambdalf-dev), Martin McConnell (@offgridgecko), Abu, Wizard Wang

ERC-165 interface ids

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

IERC6105 0x380065d4

`0x13c066f8`	`buyItem(uint256,uint256,address)`	payable
`0x10061631`	`delistItem(uint256)`
`0x107a274a`	`getListing(uint256)`	view
`0xa1d397a6`	`listItem(uint256,uint256,uint64,address,uint256)`
`0x8a6fa5f1`	`listItem(uint256,uint256,uint64,address)`

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

`0x72757c03`	`makeCollectionOffer(uint256,uint256,uint64,address)`
`0x8ef73c94`	`acceptCollectionOffer(uint256,uint256,address,address)`
`0x56f2b96f`	`acceptCollectionOffer(uint256,uint256,address,address,uint256)`
`0xe498c780`	`cancelCollectionOffer()`
`0xb544a8a2`	`getCollectionOffer(address)`

`0x59f0ef53`	`makeItemOffer(uint256,uint256,uint64,address)`
`0x193bef0c`	`cancelItemOffer(uint256)`
`0xf44fd01c`	`acceptItemOffer(uint256,uint256,address,address)`
`0xcf2988f3`	`acceptItemOffer(uint256,uint256,address,address,uint256)`
`0x1d37bf5f`	`getItemOffer(uint256,address)`

Topic0 is the keccak256 hash of the signature, which is what a log filter matches on.

`0x792c4ed0464942b883750bce17ade42bb5139b0f3ca005bb3f3cd1378343c119`	`UpdateListing(uint256,address,uint256,uint64,address,uint256)`
`0x9993750e8b5de3bf7a52b1932bc999be0f8e9c84c8d4ae842bccf2b7655d6c01`	`Purchased(uint256,address,address,uint256,address,uint256)`
`0xcb7f5c2e1b7a32dad49f588e7d640f535d166b6d6a1b8354bc56aa366e16d656`	`UpdateCollectionOffer(address,uint256,uint256,uint64,address)`
`0xfae2b16052d610beebf93e8484e38dcf758c73e86920097e4220eb03da83e1a1`	`UpdateItemOffer(uint256,address,uint256,uint64,address)`