ERC-7390 Vanilla Options for ERC-20 Tokens

🆔 ERC-165 interface ids

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

IERC7390 0xa5f91bd9

`0xd6febde8`	`buy(uint256,uint256)`
`0x57d682c4`	`cancel(uint256,address)`
`0x4b849905`	`create((uint8,address,uint256,address,uint256,address,uint256,uint256,uint256,address[]))`
`0xa86265bb`	`exercise(uint256,uint256)`
`0x248b761e`	`issuance(uint256)`	view
`0xbe74c737`	`retrieveExpiredTokens(uint256,address)`
`0x86d1743f`	`updateAllowed(uint256,address[])`
`0xdb191d5d`	`updatePremium(uint256,uint256)`