Is there an example of cw721-base with cw2981 royalties implemented?

[yubrew]

I'm wondering in the context of ICS721 how to respect a collection's royalties from other host chains?
https://github.com/CosmWasm/cw-nfts/tree/v0.18.0/contracts/cw2981-royalties

[taitruong]

Regarding ICS721 there is NonFungibleTokenPacketData.class_data : https://github.com/public-awesome/ics721/blob/main/contracts/cw-ics721-bridge/src/ibc.rs#L46
Here you can store all kinds of class/collection-based data. On the other side ICS721 then needs to handle this and depending on which cw721 contract, you can set things like royalties.

[taitruong]

Rn I'm finalizing ics721 and there will be an example of handling sg721, where royalty is stored in collection_info.