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204
contracts/ytLending/Configurator.sol
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204
contracts/ytLending/Configurator.sol
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// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.0;
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import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
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import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
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import "./ConfiguratorStorage.sol";
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import "./LendingFactory.sol";
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/**
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* @title Configurator
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* @notice 借贷池配置管理合约
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*/
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contract Configurator is
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ConfiguratorStorage,
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UUPSUpgradeable,
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OwnableUpgradeable
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{
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event SetFactory(address indexed lendingProxy, address indexed oldFactory, address indexed newFactory);
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event SetConfiguration(address indexed lendingProxy, Configuration oldConfiguration, Configuration newConfiguration);
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event AddAsset(address indexed lendingProxy, AssetConfig assetConfig);
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event UpdateAsset(address indexed lendingProxy, AssetConfig oldAssetConfig, AssetConfig newAssetConfig);
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event LendingDeployed(address indexed lendingProxy, address indexed newLending);
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error AlreadyInitialized();
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error AssetDoesNotExist();
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error ConfigurationAlreadyExists();
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error InvalidAddress();
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/// @custom:oz-upgrades-unsafe-allow constructor
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constructor() {
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_disableInitializers();
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}
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function initialize() external initializer {
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__UUPSUpgradeable_init();
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__Ownable_init(msg.sender);
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}
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/**
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* @dev 授权升级函数 - 只有 owner 可以升级
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*/
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function _authorizeUpgrade(address newImplementation) internal override onlyOwner {}
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/**
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* @notice 设置工厂合约地址
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* @param lendingProxy Lending 代理地址
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* @param newFactory 新工厂地址
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*/
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function setFactory(address lendingProxy, address newFactory) external onlyOwner {
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if (newFactory == address(0)) revert InvalidAddress();
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address oldFactory = factory[lendingProxy];
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factory[lendingProxy] = newFactory;
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emit SetFactory(lendingProxy, oldFactory, newFactory);
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}
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/**
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* @notice 设置市场配置
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* @param lendingProxy Lending 代理地址
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* @param newConfiguration 新配置
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*/
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function setConfiguration(address lendingProxy, Configuration calldata newConfiguration)
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external
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onlyOwner
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{
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Configuration memory oldConfiguration = configuratorParams[lendingProxy];
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// 防止修改不可变参数
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if (oldConfiguration.baseToken != address(0) &&
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(oldConfiguration.baseToken != newConfiguration.baseToken ||
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oldConfiguration.trackingIndexScale != newConfiguration.trackingIndexScale))
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revert ConfigurationAlreadyExists();
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// 删除旧的资产配置
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delete configuratorParams[lendingProxy];
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// 设置新配置
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configuratorParams[lendingProxy].baseToken = newConfiguration.baseToken;
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configuratorParams[lendingProxy].baseTokenPriceFeed = newConfiguration.baseTokenPriceFeed;
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configuratorParams[lendingProxy].supplyKink = newConfiguration.supplyKink;
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configuratorParams[lendingProxy].supplyPerYearInterestRateSlopeLow = newConfiguration.supplyPerYearInterestRateSlopeLow;
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configuratorParams[lendingProxy].supplyPerYearInterestRateSlopeHigh = newConfiguration.supplyPerYearInterestRateSlopeHigh;
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configuratorParams[lendingProxy].supplyPerYearInterestRateBase = newConfiguration.supplyPerYearInterestRateBase;
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configuratorParams[lendingProxy].borrowKink = newConfiguration.borrowKink;
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configuratorParams[lendingProxy].borrowPerYearInterestRateSlopeLow = newConfiguration.borrowPerYearInterestRateSlopeLow;
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configuratorParams[lendingProxy].borrowPerYearInterestRateSlopeHigh = newConfiguration.borrowPerYearInterestRateSlopeHigh;
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configuratorParams[lendingProxy].borrowPerYearInterestRateBase = newConfiguration.borrowPerYearInterestRateBase;
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configuratorParams[lendingProxy].storeFrontPriceFactor = newConfiguration.storeFrontPriceFactor;
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configuratorParams[lendingProxy].trackingIndexScale = newConfiguration.trackingIndexScale;
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configuratorParams[lendingProxy].baseBorrowMin = newConfiguration.baseBorrowMin;
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configuratorParams[lendingProxy].targetReserves = newConfiguration.targetReserves;
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// 复制资产配置
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for (uint i = 0; i < newConfiguration.assetConfigs.length; i++) {
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configuratorParams[lendingProxy].assetConfigs.push(newConfiguration.assetConfigs[i]);
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}
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emit SetConfiguration(lendingProxy, oldConfiguration, newConfiguration);
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}
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/**
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* @notice 添加抵押资产
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* @param lendingProxy Lending 代理地址
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* @param assetConfig 资产配置
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*/
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function addAsset(address lendingProxy, AssetConfig calldata assetConfig)
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external
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onlyOwner
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{
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configuratorParams[lendingProxy].assetConfigs.push(assetConfig);
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emit AddAsset(lendingProxy, assetConfig);
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}
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/**
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* @notice 更新资产配置
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* @param lendingProxy Lending 代理地址
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* @param newAssetConfig 新资产配置
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*/
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function updateAsset(address lendingProxy, AssetConfig calldata newAssetConfig)
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external
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onlyOwner
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{
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uint assetIndex = getAssetIndex(lendingProxy, newAssetConfig.asset);
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AssetConfig memory oldAssetConfig = configuratorParams[lendingProxy].assetConfigs[assetIndex];
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configuratorParams[lendingProxy].assetConfigs[assetIndex] = newAssetConfig;
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emit UpdateAsset(lendingProxy, oldAssetConfig, newAssetConfig);
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}
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/**
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* @notice 更新资产抵押率
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* @param lendingProxy Lending 代理地址
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* @param asset 资产地址
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* @param newBorrowCF 新借款抵押率
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*/
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function updateAssetBorrowCollateralFactor(
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address lendingProxy,
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address asset,
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uint64 newBorrowCF
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)
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external
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onlyOwner
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{
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uint assetIndex = getAssetIndex(lendingProxy, asset);
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configuratorParams[lendingProxy].assetConfigs[assetIndex].borrowCollateralFactor = newBorrowCF;
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}
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/**
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* @notice 更新资产供应上限
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* @param lendingProxy Lending 代理地址
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* @param asset 资产地址
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* @param newSupplyCap 新供应上限
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*/
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function updateAssetSupplyCap(
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address lendingProxy,
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address asset,
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uint128 newSupplyCap
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)
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external
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onlyOwner
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{
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uint assetIndex = getAssetIndex(lendingProxy, asset);
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configuratorParams[lendingProxy].assetConfigs[assetIndex].supplyCap = newSupplyCap;
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}
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/**
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* @notice 部署新的 Lending 实现
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* @param lendingProxy Lending 代理地址
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* @return 新实现合约地址
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*/
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function deploy(address lendingProxy) external onlyOwner returns (address) {
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address newLending = LendingFactory(factory[lendingProxy]).deploy();
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emit LendingDeployed(lendingProxy, newLending);
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return newLending;
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}
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/**
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* @notice 获取资产索引
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* @param lendingProxy Lending 代理地址
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* @param asset 资产地址
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* @return 资产在配置数组中的索引
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*/
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function getAssetIndex(address lendingProxy, address asset) public view returns (uint) {
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AssetConfig[] memory assetConfigs = configuratorParams[lendingProxy].assetConfigs;
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uint numAssets = assetConfigs.length;
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for (uint i = 0; i < numAssets; ) {
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if (assetConfigs[i].asset == asset) {
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return i;
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}
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unchecked { i++; }
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}
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revert AssetDoesNotExist();
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}
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/**
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* @notice 获取市场配置
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* @param lendingProxy Lending 代理地址
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* @return 配置信息
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*/
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function getConfiguration(address lendingProxy) external view returns (Configuration memory) {
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return configuratorParams[lendingProxy];
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}
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}
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