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ERC-7160 ERC-721 Multi-Metadata Extension

FinalERCcreated 2023-06-09requires ERC-165, ERC-721

Multiple metadata URIs per token, with the option to pin a primary URI.

Authors: 0xG (@0xGh), Marco Peyfuss (@mpeyfuss)

ERC-165 interface ids

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

IERC71600x06e1bc5b

Functions this standard introduces (4)

0x455086e1hasPinnedTokenURI(uint256)view
0x7de19c5fpinTokenURI(uint256,uint256)
0x6c8b703ftokenURIs(uint256)view
0x52dbd6daunpinTokenURI(uint256)

Events (2)

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

0xdafe56f3e547ebb1818fc8353ba53591db2528d41cbb7a35af2d9469f4490533TokenUriPinned(uint256,uint256)
0xc4c6bc7f651e4303914b61cddcb11cf5e983ffce8f33c7fe68aeeae65bbb1d05TokenUriUnpinned(uint256)

Depends on (2)

Proposals this one names in its requires field.

ERC-165Standard Interface DetectionERC-721Non-Fungible Token Standard

What the specification covers

AbstractMotivationSpecificationRationaleBackwards CompatibilityReference ImplementationSecurity ConsiderationsCopyright

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