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Simplify ERC721Wrapper.depositFor to save gas #4048

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merged 7 commits into from
Feb 17, 2023

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Amxx
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@Amxx Amxx commented Feb 15, 2023

This PR reduces the gas cost of depositing tokens into a ERC721Wrapper (using the depositFor function) by about 3.2k gas per token. (see test report)

Fixes LIB-701

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  • Tests

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⚠️ No Changeset found

Latest commit: b148973

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@Amxx Amxx changed the title Simplificaty ERC721Wrapper.depositFor to save gas. Simplify ERC721Wrapper.depositFor to save gas. Feb 15, 2023
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frangio commented Feb 16, 2023

Another simplification we have to make is remove ERC721Holder and inherit IERC721Receiver directly, since we're fully overriding it.

@frangio frangio changed the title Simplify ERC721Wrapper.depositFor to save gas. Simplify ERC721Wrapper.depositFor to save gas Feb 16, 2023
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LGTM

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@ernestognw ernestognw left a comment

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Thanks!

@frangio frangio merged commit d5d9d4b into OpenZeppelin:master Feb 17, 2023
@Amxx Amxx deleted the refactor/gas/erc721wrapper branch February 17, 2023 09:10
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3 participants