update lending script
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@@ -6,25 +6,15 @@ pragma solidity ^0.8.0;
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* @notice 借贷池核心接口
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*/
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interface ILending {
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// ========== Events ==========
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event Supply(address indexed from, address indexed dst, uint256 amount);
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event Withdraw(address indexed src, address indexed to, uint256 amount);
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event SupplyCollateral(address indexed from, address indexed dst, address indexed asset, uint256 amount);
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event WithdrawCollateral(address indexed src, address indexed to, address indexed asset, uint256 amount);
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/// @notice 清算债务事件
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event AbsorbDebt(address indexed absorber, address indexed borrower, uint256 basePaidOut, uint256 usdValue);
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/// @notice 清算抵押品事件
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event AbsorbCollateral(address indexed absorber, address indexed borrower, address indexed asset, uint256 collateralAbsorbed, uint256 usdValue);
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event BuyCollateral(address indexed buyer, address indexed asset, uint256 baseAmount, uint256 collateralAmount);
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/// @notice 储备金提取事件
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event WithdrawReserves(address indexed to, uint256 amount);
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// ========== Errors ==========
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error Unauthorized();
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error InsufficientBalance();
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error InsufficientCollateral();
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@@ -37,144 +27,25 @@ interface ILending {
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error InsufficientReserves();
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error NotForSale();
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// ========== Core Functions ==========
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/**
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* @notice 存入基础资产
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* @param amount 存入金额
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*/
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function supply(uint256 amount) external;
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/**
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* @notice 取出基础资产
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* @param amount 取出金额
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*/
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function withdraw(uint256 amount) external;
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/**
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* @notice 存入抵押品
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* @param asset 抵押品地址
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* @param amount 抵押品数量
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*/
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function supplyCollateral(address asset, uint256 amount) external;
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/**
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* @notice 取出抵押品
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* @param asset 抵押品地址
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* @param amount 抵押品数量
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*/
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function withdrawCollateral(address asset, uint256 amount) external;
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/**
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* @notice 借款(通过取出超过存款的基础资产实现)
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* @param amount 借款金额
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*/
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function borrow(uint256 amount) external;
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/**
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* @notice 清算不良债务(单个)
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* @param borrower 待清算的借款人地址
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*/
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function absorb(address borrower) external;
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/**
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* @notice 批量清算不良债务
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* @param absorber 清算发起人地址
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* @param accounts 待清算的借款人地址数组
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*/
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function absorbMultiple(address absorber, address[] calldata accounts) external;
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/**
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* @notice 购买清算后的抵押品
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* @param asset 抵押品地址
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* @param minAmount 最小购买量
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* @param baseAmount 支付的基础资产数量
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* @param recipient 接收抵押品的地址
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*/
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function buyCollateral(address asset, uint256 minAmount, uint256 baseAmount, address recipient) external;
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// ========== View Functions ==========
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/**
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* @notice 获取用户基础资产余额
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* @param account 用户地址
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* @return 余额(正数=存款,负数=借款)
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*/
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function getBalance(address account) external view returns (int256);
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/**
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* @notice 获取用户抵押品余额
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* @param account 用户地址
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* @param asset 抵押品地址
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* @return 抵押品数量
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*/
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function getCollateral(address account, address asset) external view returns (uint256);
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/**
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* @notice 检查账户是否可被清算
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* @param account 用户地址
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* @return 是否可清算
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*/
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function isLiquidatable(address account) external view returns (bool);
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/**
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* @notice 获取当前供应利率
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* @return 供应利率 (年化,scaled by 1e18)
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*/
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function getSupplyRate() external view returns (uint64);
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/**
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* @notice 获取当前借款利率
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* @return 借款利率 (年化,scaled by 1e18)
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*/
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function getBorrowRate() external view returns (uint64);
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/**
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* @notice 获取用户存款余额(只返回正数部分,ERC20兼容)
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* @param account 用户地址
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* @return 存款余额
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*/
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function balanceOf(address account) external view returns (uint256);
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/**
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* @notice 获取用户借款余额(只返回债务部分)
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* @param account 用户地址
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* @return 借款余额
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*/
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function supplyBalanceOf(address account) external view returns (uint256);
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function borrowBalanceOf(address account) external view returns (uint256);
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/**
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* @notice 计算支付指定baseAmount可购买的抵押品数量
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* @param asset 抵押品地址
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* @param baseAmount 支付的基础资产数量
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* @return 可购买的抵押品数量
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*/
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function quoteCollateral(address asset, uint256 baseAmount) external view returns (uint256);
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/**
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* @notice 获取协议储备金
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* @return 储备金余额(可能为负)
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*/
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function getReserves() external view returns (int256);
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/**
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* @notice 获取抵押品库存
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* @param asset 抵押品地址
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* @return 库存数量
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*/
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function getCollateralReserves(address asset) external view returns (uint256);
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/**
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* @notice 获取市场利用率
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* @return 利用率(scaled by 1e18)
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*/
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function getUtilization() external view returns (uint256);
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/**
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* @notice 提取协议储备金(仅 owner)
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* @param to 接收地址
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* @param amount 提取数量
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*/
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function withdrawReserves(address to, uint256 amount) external;
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}
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