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Add ERC721 Wrapper (#3863)

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Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>
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Ernesto García
2023-02-09 13:43:34 -06:00
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parent 5b027e517e
commit 94cd8ef12e
6 changed files with 452 additions and 3 deletions
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'openzeppelin-solidity': minor
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`ERC721Wrapper`: add a new extension of the `ERC721` token which wraps an underlying token. Deposit and withdraw guarantee that the ownership of each token is backed by a corresponding underlying token with the same identifier.