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update liquidation bot scripts

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This commit is contained in:
xiaoJ
2026-03-05 10:48:08 +08:00
parent e39529984d
commit e05762aa46
23 changed files with 436 additions and 49 deletions
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27
scripts/liquidation_bot/liquidateUnderwaterBorrowers.ts
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@@ -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);