From f3a2cf16480ca71853354c1fd0b451f7b98c34f1 Mon Sep 17 00:00:00 2001
From: RickyShao <veithly@live.com>
Date: Thu, 4 Jul 2024 18:04:25 +0800
Subject: [PATCH] feat(nft-market): add getAllListings function and update
 README
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Implement a new function `getAllListings` in the NFTMarket contract to allow
外部调用者获取所有上市的信息。此外, 更新了README以反映新的合约地址。
---
 members/veithly/task3/NFTMarket.sol | 16 +++++++++++++---
 members/veithly/task3/README.md     |  4 ++--
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/members/veithly/task3/NFTMarket.sol b/members/veithly/task3/NFTMarket.sol
index 4f70799d8..675bd9ec1 100644
--- a/members/veithly/task3/NFTMarket.sol
+++ b/members/veithly/task3/NFTMarket.sol
@@ -1,4 +1,5 @@
-pragma solidity ^0.8.0;
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
 
 import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
 import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
@@ -19,7 +20,7 @@ contract NFTMarket is Ownable {
     event NFTListed(uint256 listingId, address seller, address nftContract, uint256 tokenId, uint256 price);
     event NFTBought(uint256 listingId, address buyer);
 
-    constructor(address _currencyToken) {
+    constructor(address _currencyToken) Ownable(msg.sender) {
         currencyToken = IERC20(_currencyToken);
     }
 
@@ -45,4 +46,13 @@ contract NFTMarket is Ownable {
 
         emit NFTBought(_listingId, msg.sender);
     }
-}
\ No newline at end of file
+
+
+    function getAllListings() external view returns (Listing[] memory) {
+        Listing[] memory allListings = new Listing[](listingCount);
+        for (uint256 i = 1; i <= listingCount; i++) {
+            allListings[i-1] = listings[i];
+        }
+        return allListings;
+    }
+}
diff --git a/members/veithly/task3/README.md b/members/veithly/task3/README.md
index f72101d92..c1e7d88c8 100644
--- a/members/veithly/task3/README.md
+++ b/members/veithly/task3/README.md
@@ -1,2 +1,2 @@
-List NFT: 0x9a659e39b29263ef2817c26a359e299580c1027982a27658dc486546adfa1097
-Buy NFT: 0x0b2f69f185a4936410509a1c16b8f5f5e5c0734ead93b871486cd00a7254d8a2
\ No newline at end of file
+List NFT: 0xf563a73569698f80a82eab21e4ba4eaf5c73db5e85a398f03e7fa5aef2ca5e35
+Buy NFT: 0x7948cece92264265a0008d458f18f7f421036f95982082f1908ea712abf4a50d
\ No newline at end of file