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2 changes: 1 addition & 1 deletion 38_NFTSwap/readme.md
Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ event Update(address indexed seller, address indexed nftAddr, uint256 indexed to

### 订单

`NFT`订单抽象为`Order`结构体,包含挂单价格`price`和持有人`owner`信息。`nftList`映射记录了订单是对应的`NFT`系列(合约地址)和`tokenId`信息。
`NFT`订单抽象为`Order`结构体,包含挂单价格`price`和持有人`owner`信息。`nftList`映射通过`NFT`合约地址和`tokenId`信息,能定位到具体NFT的订单(包括持有者地址和挂单价格)

```solidity
// 定义order结构体
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