feat: 完成 Mini Swap DEX AMM 项目开发

- 添加智能合约: TokenA, TokenB, MiniSwapAMM
- 实现 AMM 流动性池功能 (x * y = k 公式)
- 支持添加/移除流动性和代币交换
- 包含完整的测试套件
- 创建 React 前端界面，支持钱包连接
- 添加 Web3 集成和现代化 UI 设计
- 包含部署脚本和完整的项目配置

scripts/deploy.js

@@ -0,0 +1,76 @@
+const { ethers } = require("hardhat");
+
+async function main() {
+  const [deployer] = await ethers.getSigners();
+
+  console.log("使用账户部署合约:", deployer.address);
+  console.log("账户余额:", (await deployer.provider.getBalance(deployer.address)).toString());
+
+  // 部署 TokenA
+  console.log("\n部署 TokenA...");
+  const TokenA = await ethers.getContractFactory("TokenA");
+  const tokenA = await TokenA.deploy();
+  await tokenA.waitForDeployment();
+  console.log("TokenA 部署到:", await tokenA.getAddress());
+
+  // 部署 TokenB
+  console.log("\n部署 TokenB...");
+  const TokenB = await ethers.getContractFactory("TokenB");
+  const tokenB = await TokenB.deploy();
+  await tokenB.waitForDeployment();
+  console.log("TokenB 部署到:", await tokenB.getAddress());
+
+  // 部署 MiniSwapAMM
+  console.log("\n部署 MiniSwapAMM...");
+  const MiniSwapAMM = await ethers.getContractFactory("MiniSwapAMM");
+  const miniSwapAMM = await MiniSwapAMM.deploy(
+    await tokenA.getAddress(),
+    await tokenB.getAddress()
+  );
+  await miniSwapAMM.waitForDeployment();
+  console.log("MiniSwapAMM 部署到:", await miniSwapAMM.getAddress());
+
+  // 给部署者和其他账户铸造一些代币用于测试
+  console.log("\n铸造测试代币...");
+  
+  const signers = await ethers.getSigners();
+  const testAccounts = signers.slice(0, 3); // 获取前 3 个账户
+
+  for (let i = 0; i < testAccounts.length; i++) {
+    const account = testAccounts[i];
+    
+    // 给每个账户铸造 10,000 个 TokenA 和 TokenB
+    await tokenA.connect(account).faucet(ethers.parseEther("10000"));
+    await tokenB.connect(account).faucet(ethers.parseEther("10000"));
+    
+    console.log(`给账户 ${account.address} 铸造了 10,000 TKA 和 10,000 TKB`);
+  }
+
+  // 保存合约地址到文件
+  const fs = require("fs");
+  const contractAddresses = {
+    TokenA: await tokenA.getAddress(),
+    TokenB: await tokenB.getAddress(),
+    MiniSwapAMM: await miniSwapAMM.getAddress(),
+    deployer: deployer.address
+  };
+
+  fs.writeFileSync(
+    "contract-addresses.json",
+    JSON.stringify(contractAddresses, null, 2)
+  );
+
+  console.log("\n部署完成！");
+  console.log("合约地址已保存到 contract-addresses.json");
+  console.log("\n合约地址:");
+  console.log("TokenA:", await tokenA.getAddress());
+  console.log("TokenB:", await tokenB.getAddress());
+  console.log("MiniSwapAMM:", await miniSwapAMM.getAddress());
+}
+
+main()
+  .then(() => process.exit(0))
+  .catch((error) => {
+    console.error(error);
+    process.exit(1);
+  });