update liquidation bot scripts

scripts/liquidation_bot/index.ts

@@ -33,7 +33,6 @@ async function main() {
 
   console.log('📋 Contract Addresses:');
   console.log('  Lending Proxy:', deployment.lendingProxy);
-  console.log('  Price Feed:', deployment.lendingPriceFeedProxy);
   console.log('  Base Token (USDC):', deployment.usdcAddress);
   console.log('');
 
@@ -49,12 +48,6 @@ async function main() {
     signer
   );
 
-  const priceFeedContract = await hre.ethers.getContractAt(
-    'LendingPriceFeed',
-    deployment.lendingPriceFeedProxy,
-    signer
-  );
-
   console.log('✅ Contracts initialized\n');
   console.log('==========================================');
   console.log('🔄 Starting main loop...\n');
@@ -75,7 +68,6 @@ async function main() {
         // 执行清算逻辑
         await liquidateUnderwaterBorrowers(
           lendingContract,
-          priceFeedContract,
           signer
         );
 

scripts/liquidation_bot/liquidateUnderwaterBorrowers.ts

@@ -2,7 +2,6 @@ import hre from 'hardhat';
 import { Signer } from 'ethers';
 
 const LOOKBACK_BLOCKS = 10000; // 查询最近 50000 个区块
-const LIQUIDATION_THRESHOLD = 1; // $10 的最小清算阈值（美元单位）
 
 /**
  * 获取最近活跃的地址（通过多个事件）
@@ -94,7 +93,6 @@ export async function getUniqueAddresses(
  */
 export async function liquidateUnderwaterBorrowers(
   lendingContract: any,
-  priceFeedContract: any,
   signer: Signer
 ): Promise<boolean> {
   // 步骤 1: 获取最近活跃的地址
@@ -116,29 +114,8 @@ export async function liquidateUnderwaterBorrowers(
       const isLiquidatable = await lendingContract.isLiquidatable(address);
 
       if (isLiquidatable) {
-        // 应用清算阈值过滤（防止清算小额账户，gas 成本过高）
-        const borrowBalance = await lendingContract.borrowBalanceOf(address);
-        const baseToken = await lendingContract.baseToken();
-        const basePrice = await priceFeedContract.getPrice(baseToken);
-        
-        // 动态获取 baseToken 的 decimals
-        const baseTokenContract = await hre.ethers.getContractAt('IERC20Metadata', baseToken);
-        const baseDecimals = await baseTokenContract.decimals();
-        
-        // debtValue 计算：borrowBalance * basePrice / 10^decimals
-        // 结果精度为 30 decimals (价格精度)
-        const debtValue = (BigInt(borrowBalance) * BigInt(basePrice)) / BigInt(10) ** BigInt(baseDecimals);
-        const debtValueInBaseUnit = Number(debtValue / (BigInt(10) ** BigInt(30))); // 转换为美元单位
-        
-        // 将清算阈值（美元）转换为 30 decimals 精度进行比较
-        const thresholdValue = BigInt(LIQUIDATION_THRESHOLD) * BigInt(10) ** BigInt(30);
-        
-        if (debtValue >= thresholdValue) {
-          console.log(`💰 Liquidatable: ${address}, Debt: $${debtValueInBaseUnit.toFixed(2)}`);
-          liquidatableAccounts.push(address);
-        } else {
-          console.log(`⏭️  Skip (below threshold): ${address}, Debt: $${debtValueInBaseUnit.toFixed(2)}`);
-        }
+        console.log(`💰 Liquidatable: ${address}`);
+        liquidatableAccounts.push(address);
       }
     } catch (error) {
       console.error(`Error checking ${address}:`, error);