refator: add env

members/xiangnuans/task3/.env.example

@@ -0,0 +1,2 @@
+INFURA_PROJECT_ID=""
+PRIVATE_KEY="

members/xiangnuans/task3/README.md

@@ -43,4 +43,4 @@ npx hardhat ignition deploy ./ignition/modules/Lock.ts
 - Contract MyToken deployed successfully: [0xC2F6FE1FCb070abE231CA0f9c2d148183740E4a8](https://sepolia.etherscan.io/address/0xC2F6FE1FCb070abE231CA0f9c2d148183740E4a8)
 - Contract MyNFT deployed successfully: [0x4ECEd2DEAfC38a647675F650c8ee0abbc52Db26e](https://sepolia.etherscan.io/address/0x4ECEd2DEAfC38a647675F650c8ee0abbc52Db26e)
 - Contract NFTMarket deployed successfully: [0x53b72dE55e80B4569EfDA5C96393b26FBDd27eF8](https://sepolia.etherscan.io/address/0x53b72dE55e80B4569EfDA5C96393b26FBDd27eF8)
-- Purchase NFT's transaction hash: [0xf87b7bbf97f47920944c4941fa087703c0f3f10876431f05b7de50d9b9bc6e93](https://sepolia.etherscan.io/tx/0xf87b7bbf97f47920944c4941fa087703c0f3f10876431f05b7de50d9b9bc6e93)
+- Purchase NFT's transaction hash: [0x60ee944f5619c5f7d1315f2d7e0cafb0f354f4a8dd3cf295709232415da08085](https://sepolia.etherscan.io/tx/0x60ee944f5619c5f7d1315f2d7e0cafb0f354f4a8dd3cf295709232415da08085)

members/xiangnuans/task3/scripts/buy-nft.ts

@@ -1,15 +1,17 @@
+import { marketAddress, tokenAddress } from "./config";
+
 import { ethers } from "hardhat";
-import { marketAddress } from "./config";
 
 async function main() {
   const [buyer] = await ethers.getSigners();
   console.log("Buyer address:", buyer.address);
 
   const market = await ethers.getContractAt("NFTMarket", marketAddress);
-  console.log("Market contract attached:", marketAddress);
+  console.log("Market contract attached:", marketAddress, market);
+
 
-  // 获取列表中的第一个NFT信息
-  const listing = await market.listings(0);
+  // 获取列表中的第3个NFT信息
+  const listing = await market.listings(2);
   console.log("Market listing:", listing);
 
   const seller = listing.seller;
@@ -23,12 +25,20 @@ async function main() {
   console.log("Price:", price.toString());
 
   // 获取支付代币的合约地址
-  const tokenContractAddress = await market.paymentToken();
-  console.log("Payment Token Contract Address:", tokenContractAddress);
+  console.log("Payment Token Contract Address:", tokenAddress);
+  const Token = await ethers.getContractAt("IERC20", tokenAddress);
+  console.log("Token Contract Address:", Token.target);
+
 
-  // 模拟买家授权市场合约访问代币
-  const Token = await ethers.getContractAt("IERC20", tokenContractAddress);
-  console.log("Token Contract Address:", Token);
+  // 获取当前用户拥有的代币数量
+  const balance = await Token.balanceOf(buyer.address);
+  console.log("Balance:", ethers.formatEther(balance), "tokens");
+
+  // 检查用户代币余额是否足够购买 NFT
+  if (balance < price) {
+    console.log("Insufficient balance to purchase the NFT.");
+    process.exit(1);
+  }
 
   const allowance = await Token.allowance(buyer.address, marketAddress);
   console.log("Allowance:", allowance.toString());
@@ -40,11 +50,15 @@ async function main() {
   }
 
   // 购买NFT
-  console.log("Buying NFT...");
-  const buyTx = await market.connect(buyer).buyNFT(0);
-  await buyTx.wait();
+  try {
+    console.log("Buying NFT...");
+    const buyTx = await market.connect(buyer).buyNFT(2);
+    await buyTx.wait();
 
-  console.log(`NFT with tokenId ${tokenId} purchased from ${seller} by ${buyer.address}`);
+    console.log(`NFT with tokenId ${tokenId} purchased from ${seller} by ${buyer.address}`);
+  } catch (error) {
+    console.log("Buying NFT Error", error)
+  }
 }
 
 main().catch((error) => {

members/xiangnuans/task3/scripts/config.ts

@@ -1,8 +1,4 @@
-// export const tokenAddress = '0xe07eB366A984Aac071D8cf4e2FAc2f3baF8026B0';
-// export const nftAddress = '0x825035A3EABb9c74Dcf470eBafA5a9c8B05A2C91';
-// export const marketAddress = '0x05b062cBCe45226D7d357f9b92533E143E71Df02';
-
-
+// etherscan的合约地址
 export const tokenAddress = "0xC2F6FE1FCb070abE231CA0f9c2d148183740E4a8";
 export const nftAddress = '0x4ECEd2DEAfC38a647675F650c8ee0abbc52Db26e';
 export const marketAddress = '0x53b72dE55e80B4569EfDA5C96393b26FBDd27eF8';

members/xiangnuans/task3/scripts/list-nft.ts

@@ -4,7 +4,7 @@ import { ethers } from "hardhat";
 
 async function main() {
   const [deployer] = await ethers.getSigners();
-  const tokenId = 1; // 你想要上架的NFT的Token ID
+  const tokenId = 3; // 你想要上架的NFT的Token ID
   const price = ethers.parseEther("10"); // 上架价格
   const tokenURI = "https://my-json-server.typicode.com/abcoathup/samplenft/tokens/1"; // NFT的元数据URI