ERC-1046 tokenURI Interoperability

FinalERCcreated 2018-04-133 later proposals build on itrequires ERC-20, ERC-721, ERC-1155

Extends ERC-20 with an ERC-721-like tokenURI, and extends ERC-721 and ERC-1155 with interoperability

Authors: Tommy Nicholas (@tomasienrbc), Matt Russo (@mateosu), John Zettler (@JohnZettler), Matt Condon (@shrugs), Gavin John (@Pandapip1)

ERC-165 interface ids

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

ERC20TokenMetadata	`0x3c130d90`
ERC1155TokenMetadataInterop	`0xc87b56dd`

`0x3c130d90`	`tokenURI()`	view
`0xc87b56dd`	`tokenURI(uint256)`	view

`0xdd62ed3e`	`allowance(address,address)`	ERC-20
`0x095ea7b3`	`approve(address,uint256)`	ERC-20
`0x00fdd58e`	`balanceOf(address,uint256)`	ERC-1155
`0x70a08231`	`balanceOf(address)`	ERC-20
`0x4e1273f4`	`balanceOfBatch(address[],uint256[])`	ERC-1155
`0x313ce567`	`decimals()`	ERC-20
`0xe985e9c5`	`isApprovedForAll(address,address)`	ERC-1155
`0x06fdde03`	`name()`	ERC-20
`0x2eb2c2d6`	`safeBatchTransferFrom(address,address,uint256[],uint256[],bytes)`	ERC-1155
`0xf242432a`	`safeTransferFrom(address,address,uint256,uint256,bytes)`	ERC-1155
`0xa22cb465`	`setApprovalForAll(address,bool)`	ERC-1155
`0x01ffc9a7`	`supportsInterface(bytes4)`	ERC-165
`0x95d89b41`	`symbol()`	ERC-20
`0x18160ddd`	`totalSupply()`	ERC-20
`0xa9059cbb`	`transfer(address,uint256)`	ERC-20
`0x23b872dd`	`transferFrom(address,address,uint256)`	ERC-20

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Later proposals that name this one in their requires field.