增加已上架nft修改价格的功能

build/contracts/Migrations.json

@@ -3235,7 +3235,7 @@
     }
   },
   "schemaVersion": "3.4.9",
-  "updatedAt": "2022-12-20T11:14:12.108Z",
+  "updatedAt": "2022-12-22T07:28:03.415Z",
   "networkType": "ethereum",
   "devdoc": {
     "kind": "dev",

contracts/market/BENftMarket.sol

@@ -43,6 +43,14 @@ contract BENFTMarket is Ownable, ReentrancyGuard {
     uint256 indexed tokenId
   );
 
+  event PriceUpdate(
+    uint256 indexed orderId,
+    address indexed nftToken,
+    uint256 indexed tokenId,
+    uint256 priceOld,
+    uint256 price
+  );
+
   event BuyOrder(
     uint256 indexed tokenId,
     uint256 orderId,
@@ -191,6 +199,23 @@ contract BENFTMarket is Ownable, ReentrancyGuard {
     emit CancelOrder(orderId, orderInfo.nftToken, orderInfo.tokenId);
   }
 
+  function updatePrice(uint256 orderId, uint256 price) external {
+    OrderInfo memory orderInfo = orderInfos[orderId];
+    require(orderInfo.tokenId != 0, "NFTMarket: NFT does not exist");
+    require(orderInfo.owner == msg.sender, "NFTMarket: caller is not owner");
+    require(
+      price <= nftPriceMaxLimit[orderInfo.nftToken] || nftPriceMaxLimit[orderInfo.nftToken] == 0,
+      "NFTMarket: Maximum price limit exceeded"
+    );
+    require(
+      price >= nftPriceMinLimit[orderInfo.nftToken] && price != 0,
+      "NFTMarket: Below the minimum price limit"
+    );
+    uint256 priceOld = orderInfo.price;
+    orderInfo.price = price;
+    emit PriceUpdate(orderId, orderInfo.nftToken, orderInfo.tokenId, priceOld, price);
+  }
+
   function addERC721Support(address nftToken) external onlyOwner {
     erc721Supported[nftToken] = true;
     emit AddNFTSuppout(nftToken);