198 lines
9.1 KiB
TypeScript
198 lines
9.1 KiB
TypeScript
import { ethers, upgrades } from "hardhat";
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import * as fs from "fs";
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import * as path from "path";
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/**
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* 配置 Lending 借贷池参数并部署代理
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* 包含：设置工厂、配置市场参数、添加抵押资产、部署 Lending 代理
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*/
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async function main() {
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const [deployer] = await ethers.getSigners();
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console.log("\n==========================================");
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console.log("⚙️ 配置 Lending 借贷池");
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console.log("==========================================");
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console.log("配置账户:", deployer.address, "\n");
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// ========== 读取部署信息 ==========
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const deploymentsPath = path.join(__dirname, "../../deployments-lending.json");
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if (!fs.existsSync(deploymentsPath)) {
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throw new Error("未找到部署信息文件，请先运行 07-deployLending.ts");
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}
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const network = await ethers.provider.getNetwork();
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const chainId = network.chainId.toString();
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const deployments = JSON.parse(fs.readFileSync(deploymentsPath, "utf-8"))[chainId];
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if (!deployments) {
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throw new Error(`未找到网络 ${chainId} 的部署信息`);
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}
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console.log("📋 使用已部署的合约:");
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console.log(" LendingFactory:", deployments.lendingFactory);
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console.log(" Configurator:", deployments.configuratorProxy);
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console.log(" Lending Impl:", deployments.lendingImpl, "\n");
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const configurator = await ethers.getContractAt("Configurator", deployments.configuratorProxy);
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const lendingFactory = await ethers.getContractAt("LendingFactory", deployments.lendingFactory);
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// ========== 第一阶段：配置外部代币和价格源 ==========
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console.log("⚙️ Phase 1: 配置外部代币和价格源");
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// 这里使用示例地址，实际部署时需要替换为真实地址
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// 如果你已有 WUSD 等合约，请从部署文件中读取
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const USDC = {
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address: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", // Mainnet USDC (示例)
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decimals: 6
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};
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const WETH = {
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address: "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2", // Mainnet WETH (示例)
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decimals: 18
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};
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// 价格预言机地址（需要部署或使用 Chainlink）
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const usdcPriceFeed = "0x8fFfFfd4AfB6115b954Bd326cbe7B4BA576818f6"; // Chainlink USDC/USD (示例)
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const ethPriceFeed = "0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419"; // Chainlink ETH/USD (示例)
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console.log(" 基础资产 (USDC):", USDC.address);
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console.log(" 抵押资产 (WETH):", WETH.address);
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console.log(" USDC 价格源:", usdcPriceFeed);
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console.log(" ETH 价格源:", ethPriceFeed, "\n");
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// ========== 第二阶段：准备配置参数 ==========
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console.log("⚙️ Phase 2: 准备市场配置参数");
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// 使用占位符地址作为 Lending 代理地址
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const LENDING_PROXY_PLACEHOLDER = ethers.ZeroAddress;
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const configuration = {
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baseToken: USDC.address,
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baseTokenPriceFeed: usdcPriceFeed,
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// 利率模型参数（年化利率，18位精度）
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// 注意：这些年化利率会在 initialize 时自动转换为每秒利率
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// 转换公式：perSecondRate = perYearRate / 31,536,000
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supplyKink: ethers.parseUnits("0.8", 18), // 80% 利用率拐点
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supplyPerYearInterestRateSlopeLow: ethers.parseUnits("0.03", 18), // 3% APY
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supplyPerYearInterestRateSlopeHigh: ethers.parseUnits("0.4", 18), // 40% APY
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supplyPerYearInterestRateBase: ethers.parseUnits("0", 18), // 0% 基础
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borrowKink: ethers.parseUnits("0.8", 18), // 80% 利用率拐点
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borrowPerYearInterestRateSlopeLow: ethers.parseUnits("0.05", 18), // 5% APY
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borrowPerYearInterestRateSlopeHigh: ethers.parseUnits("1.5", 18), // 150% APY
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borrowPerYearInterestRateBase: ethers.parseUnits("0.015", 18), // 1.5% 基础
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storeFrontPriceFactor: ethers.parseUnits("0.5", 18), // 50% 清算折扣
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trackingIndexScale: ethers.parseUnits("1", 15), // 10^15 比例
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baseBorrowMin: ethers.parseUnits("100", USDC.decimals), // 最小借 100 USDC
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targetReserves: ethers.parseUnits("5000000", USDC.decimals), // 目标储备 500 万
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assetConfigs: [
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{
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asset: WETH.address,
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priceFeed: ethPriceFeed,
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decimals: WETH.decimals,
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borrowCollateralFactor: ethers.parseUnits("0.80", 18), // 80% LTV
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liquidateCollateralFactor: ethers.parseUnits("0.85", 18), // 85% 清算线
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liquidationFactor: ethers.parseUnits("0.95", 18), // 95% (配合 storeFrontPriceFactor 产生折扣)
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supplyCap: ethers.parseUnits("100000", WETH.decimals) // 最多 10 万 ETH
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}
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]
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};
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console.log("✅ 配置参数已准备\n");
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// ========== 第三阶段：设置工厂和配置 ==========
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console.log("⚙️ Phase 3: 设置工厂和配置参数");
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console.log(" 设置工厂合约...");
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const setFactoryTx = await configurator.setFactory(LENDING_PROXY_PLACEHOLDER, deployments.lendingFactory);
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await setFactoryTx.wait();
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console.log(" ✅ 工厂已设置");
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console.log(" 设置市场配置...");
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const setConfigTx = await configurator.setConfiguration(LENDING_PROXY_PLACEHOLDER, configuration);
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await setConfigTx.wait();
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console.log(" ✅ 配置已设置\n");
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// ========== 第四阶段：部署 Lending 代理 ==========
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console.log("⚙️ Phase 4: 部署 Lending 代理");
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console.log(" 获取配置信息...");
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const config = await configurator.getConfiguration(LENDING_PROXY_PLACEHOLDER);
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console.log(" 部署 Lending 代理...");
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const Lending = await ethers.getContractFactory("Lending");
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// 使用 upgrades 插件部署 UUPS 代理
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const lending = await upgrades.deployProxy(
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Lending,
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[config],
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{
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kind: "uups",
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initializer: "initialize"
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}
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);
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await lending.waitForDeployment();
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const lendingProxyAddress = await lending.getAddress();
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console.log(" ✅ Lending Proxy 已部署:", lendingProxyAddress);
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// 获取实现合约地址（验证）
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const lendingImplAddress = await upgrades.erc1967.getImplementationAddress(lendingProxyAddress);
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console.log(" ✅ Lending Implementation (验证):", lendingImplAddress, "\n");
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// ========== 第五阶段：验证部署 ==========
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console.log("✨ Phase 5: 验证部署");
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console.log(" Lending Owner:", await lending.owner());
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console.log(" Lending Paused:", await lending.paused());
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console.log(" Base Token:", await lending.baseToken());
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console.log(" Total Supply:", ethers.formatUnits(await lending.totalSupply(), USDC.decimals));
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console.log(" Total Borrow:", ethers.formatUnits(await lending.totalBorrow(), USDC.decimals));
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const supplyRate = await lending.getSupplyRate();
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const borrowRate = await lending.getBorrowRate();
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// 注意：返回的是每秒利率，需要乘以一年的秒数得到 APY
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const SECONDS_PER_YEAR = 365 * 24 * 60 * 60;
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console.log(" Supply Rate (per second):", ethers.formatUnits(supplyRate, 18));
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console.log(" Supply APY:", ethers.formatUnits(BigInt(supplyRate) * BigInt(SECONDS_PER_YEAR), 18));
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console.log(" Borrow Rate (per second):", ethers.formatUnits(borrowRate, 18));
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console.log(" Borrow APY:", ethers.formatUnits(BigInt(borrowRate) * BigInt(SECONDS_PER_YEAR), 18), "\n");
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// ========== 保存部署信息 ==========
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deployments.lendingProxy = lendingProxyAddress;
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deployments.configTimestamp = new Date().toISOString();
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const allDeployments = JSON.parse(fs.readFileSync(deploymentsPath, "utf-8"));
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allDeployments[chainId] = deployments;
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fs.writeFileSync(deploymentsPath, JSON.stringify(allDeployments, null, 2));
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console.log("💾 配置信息已保存到:", deploymentsPath);
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// ========== 配置总结 ==========
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console.log("\n🎉 配置总结:");
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console.log("=====================================");
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console.log("Lending Proxy: ", lendingProxyAddress);
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console.log("Base Token: ", USDC.address);
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console.log("Collateral Assets: ", configuration.assetConfigs.length);
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console.log("Supply Kink: ", "80%");
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console.log("Borrow Kink: ", "80%");
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console.log("Min Borrow: ", "100 USDC");
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console.log("=====================================\n");
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console.log("✅ Lending 借贷池已完全配置完成！");
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console.log("📝 后续步骤:");
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console.log(" 1. 用户可以调用 supply() 存入 USDC");
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console.log(" 2. 用户可以调用 supplyCollateral() 存入 WETH");
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console.log(" 3. 用户可以调用 borrow() 借出 USDC");
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console.log(" 4. 清算人可以调用 absorb() 清算不良贷款");
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console.log(" 5. 清算人可以调用 buyCollateral() 购买清算抵押品\n");
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}
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main()
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.then(() => process.exit(0))
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.catch((error) => {
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console.error(error);
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process.exit(1);
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});
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