Daniil Krizhanovskyi <[email protected]> #850
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Fix NFTSwap.sol - Resolved undeclared variable `_order` issues by mapping it correctly to `nftList`. - Corrected import paths for ERC721 dependencies. - Implemented proper validations for `list`, `purchase`, `revoke`, and `update` methods. - Compiled the contract successfully and verified output artifacts. This closes issue #830.
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Summary
This PR resolves the compilation issues in
NFTSwap.soland improves its functionality by:_orderby 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.solcontract 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.