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Loopring Relayer #8

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zomglings opened this issue Jul 4, 2023 · 1 comment
Open

Loopring Relayer #8

zomglings opened this issue Jul 4, 2023 · 1 comment

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@zomglings
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zomglings commented Jul 4, 2023 •
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Loopring relayers should allow users who own NFTs on the Loopring exchange to create corresponding Ethereal NFTs.

Loopring is a layer 2 (blockchain?) on top of Ethereum Mainnet.

It is possible for Loopring users to mint counterfactual NFTs, which do not have a corresponding NFT contract on Ethereum mainnet yet - the mainnet contracts are deployed deterministically via a factory.

Loopring has an API, and there is an endpoint to check the current owner of an NFT: https://docs.loopring.io/en/dex_apis/getNftsInfo.html

Need to look into the Loopring user experience - is it reasonable to ask for an Ethereum account signature from the user signifying that they want to create an Ethereal corresponding to a Loopring NFT they own?
@zomglings zomglings converted this from a draft issue Jul 4, 2023
@zomglings
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Loopring uses EdDSA, the Edwards Curve Digital Signature Algorithm

We can verify these signatures in golang using the eddsa package: https://pkg.go.dev/github.com/katzenpost/core/crypto/eddsa#PublicKey.Verify

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