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Summary
This PR resolves the compilation issues in
NFTSwap.sol
and improves its functionality by:_order
by mapping it correctly tonftList
.list
: Ensures only the owner can list NFTs and validates the approval.purchase
: Checks sufficient payment and proper transfer logic.revoke
: Verifies the ownership before revoking an order.update
: Ensures only the owner can update the price.What type of PR is this (这是什么类型的PR)
Which issue(s) this PR fixes(Optional) (这个PR 修复了什么问题 (可选择))
What this PR does / why we need it (这个PR 做了什么/ 我们为什么需要这个PR)
This PR fixes the issues that caused the
NFTSwap.sol
contract to fail compilation and ensures proper functioning of its core methods for listing, purchasing, revoking, and updating NFT orders.It is critical to fix these issues to maintain functionality and compatibility in the repository.