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Contract Name:
UIPoolDataProvider
Compiler Version
v0.8.23+commit.f704f362
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.10;
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {IERC1155} from "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import {IPoolAddressesProvider} from "@yldr-lending/core/src/interfaces/IPoolAddressesProvider.sol";
import {IPool} from "@yldr-lending/core/src/interfaces/IPool.sol";
import {IYLDROracle} from "@yldr-lending/core/src/interfaces/IYLDROracle.sol";
import {IYToken} from "@yldr-lending/core/src/interfaces/IYToken.sol";
import {IVariableDebtToken} from "@yldr-lending/core/src/interfaces/IVariableDebtToken.sol";
import {DefaultReserveInterestRateStrategy} from
"@yldr-lending/core/src/protocol/pool/DefaultReserveInterestRateStrategy.sol";
import {YLDRProtocolDataProvider} from "@yldr-lending/core/src/misc/YLDRProtocolDataProvider.sol";
import {WadRayMath} from "@yldr-lending/core/src/protocol/libraries/math/WadRayMath.sol";
import {ReserveConfiguration} from "@yldr-lending/core/src/protocol/libraries/configuration/ReserveConfiguration.sol";
import {UserConfiguration} from "@yldr-lending/core/src/protocol/libraries/configuration/UserConfiguration.sol";
import {DataTypes} from "@yldr-lending/core/src/protocol/libraries/types/DataTypes.sol";
import {IUIPoolDataProvider} from "src/interfaces/IUIPoolDataProvider.sol";
import {IChainlinkAggregatorV3} from "src/interfaces/ext/IChainlinkAggregatorV3.sol";
import {IERC1155ConfigurationProvider} from "@yldr-lending/core/src/interfaces/IERC1155ConfigurationProvider.sol";
import {IERC1155Supply} from "@yldr-lending/core/src/interfaces/IERC1155Supply.sol";
contract UIPoolDataProvider is IUIPoolDataProvider {
using WadRayMath for uint256;
using ReserveConfiguration for DataTypes.ReserveConfigurationMap;
using UserConfiguration for DataTypes.UserConfigurationMap;
IChainlinkAggregatorV3 public immutable networkBaseTokenPriceInUsdProxyAggregator;
constructor(IChainlinkAggregatorV3 _networkBaseTokenPriceInUsdProxyAggregator) {
networkBaseTokenPriceInUsdProxyAggregator = _networkBaseTokenPriceInUsdProxyAggregator;
}
function getReservesList(IPoolAddressesProvider provider) public view override returns (address[] memory) {
IPool pool = IPool(provider.getPool());
return pool.getReservesList();
}
function getReservesData(IPoolAddressesProvider provider)
public
view
override
returns (AggregatedReserveData[] memory reservesData, BaseCurrencyInfo memory baseCurrencyInfo)
{
IYLDROracle oracle = IYLDROracle(provider.getPriceOracle());
IPool pool = IPool(provider.getPool());
YLDRProtocolDataProvider poolDataProvider = YLDRProtocolDataProvider(provider.getPoolDataProvider());
address[] memory reserves = pool.getReservesList();
reservesData = new AggregatedReserveData[](reserves.length);
for (uint256 i = 0; i < reserves.length; i++) {
AggregatedReserveData memory reserveData = reservesData[i];
reserveData.underlyingAsset = reserves[i];
// reserve current state
DataTypes.ReserveData memory baseData = pool.getReserveData(reserveData.underlyingAsset);
//the liquidity index. Expressed in ray
reserveData.liquidityIndex = baseData.liquidityIndex;
//variable borrow index. Expressed in ray
reserveData.variableBorrowIndex = baseData.variableBorrowIndex;
//the current supply rate. Expressed in ray
reserveData.liquidityRate = baseData.currentLiquidityRate;
//the current variable borrow rate. Expressed in ray
reserveData.variableBorrowRate = baseData.currentVariableBorrowRate;
//the current stable borrow rate. Expressed in ray
reserveData.lastUpdateTimestamp = baseData.lastUpdateTimestamp;
reserveData.yTokenAddress = baseData.yTokenAddress;
reserveData.variableDebtTokenAddress = baseData.variableDebtTokenAddress;
//address of the interest rate strategy
reserveData.interestRateStrategyAddress = baseData.interestRateStrategyAddress;
reserveData.priceInMarketReferenceCurrency = oracle.getAssetPrice(reserveData.underlyingAsset);
reserveData.priceOracle = oracle.getSourceOfAsset(reserveData.underlyingAsset);
reserveData.availableLiquidity =
IERC20Metadata(reserveData.underlyingAsset).balanceOf(reserveData.yTokenAddress);
reserveData.totalScaledVariableDebt =
IVariableDebtToken(reserveData.variableDebtTokenAddress).scaledTotalSupply();
reserveData.symbol = IERC20Metadata(reserveData.underlyingAsset).symbol();
reserveData.name = IERC20Metadata(reserveData.underlyingAsset).name();
//stores the reserve configuration
DataTypes.ReserveConfigurationMap memory reserveConfigurationMap = baseData.configuration;
(
reserveData.baseLTVasCollateral,
reserveData.reserveLiquidationThreshold,
reserveData.reserveLiquidationBonus,
reserveData.decimals,
reserveData.reserveFactor
) = reserveConfigurationMap.getParams();
reserveData.usageAsCollateralEnabled = reserveData.baseLTVasCollateral != 0;
(reserveData.isActive, reserveData.isFrozen, reserveData.borrowingEnabled, reserveData.isPaused) =
reserveConfigurationMap.getFlags();
// interest rates
try DefaultReserveInterestRateStrategy(reserveData.interestRateStrategyAddress).getVariableRateSlope1()
returns (uint256 res) {
reserveData.variableRateSlope1 = res;
} catch {}
try DefaultReserveInterestRateStrategy(reserveData.interestRateStrategyAddress).getVariableRateSlope2()
returns (uint256 res) {
reserveData.variableRateSlope2 = res;
} catch {}
try DefaultReserveInterestRateStrategy(reserveData.interestRateStrategyAddress).getBaseVariableBorrowRate()
returns (uint256 res) {
reserveData.baseVariableBorrowRate = res;
} catch {}
try DefaultReserveInterestRateStrategy(reserveData.interestRateStrategyAddress).OPTIMAL_USAGE_RATIO()
returns (uint256 res) {
reserveData.optimalUsageRatio = res;
} catch {}
(reserveData.borrowCap, reserveData.supplyCap) = reserveConfigurationMap.getCaps();
try poolDataProvider.getFlashLoanEnabled(reserveData.underlyingAsset) returns (bool flashLoanEnabled) {
reserveData.flashLoanEnabled = flashLoanEnabled;
} catch (bytes memory) {
reserveData.flashLoanEnabled = true;
}
reserveData.accruedToTreasury = baseData.accruedToTreasury;
}
(, baseCurrencyInfo.networkBaseTokenPriceInUsd,,,) = networkBaseTokenPriceInUsdProxyAggregator.latestRoundData();
baseCurrencyInfo.networkBaseTokenPriceDecimals = networkBaseTokenPriceInUsdProxyAggregator.decimals();
baseCurrencyInfo.marketReferenceCurrencyUnit = oracle.BASE_CURRENCY_UNIT();
baseCurrencyInfo.marketReferenceCurrencyPriceInUsd = int256(baseCurrencyInfo.marketReferenceCurrencyUnit);
}
function getUserReservesData(IPoolAddressesProvider provider, address user)
external
view
override
returns (UserReserveData[] memory userReservesData, UserERC1155ReserveData[] memory userERC1155ReservesData)
{
IPool pool = IPool(provider.getPool());
IYLDROracle oracle = IYLDROracle(provider.getPriceOracle());
address[] memory reserves = pool.getReservesList();
DataTypes.UserConfigurationMap memory userConfig = pool.getUserConfiguration(user);
userReservesData = new UserReserveData[](user != address(0) ? reserves.length : 0);
for (uint256 i = 0; i < reserves.length; i++) {
DataTypes.ReserveData memory baseData = pool.getReserveData(reserves[i]);
// user reserve data
userReservesData[i].underlyingAsset = reserves[i];
userReservesData[i].scaledYTokenBalance = IYToken(baseData.yTokenAddress).scaledBalanceOf(user);
userReservesData[i].usageAsCollateralEnabledOnUser = userConfig.isUsingAsCollateral(i);
if (userConfig.isBorrowing(i)) {
userReservesData[i].scaledVariableDebt =
IVariableDebtToken(baseData.variableDebtTokenAddress).scaledBalanceOf(user);
}
}
DataTypes.ERC1155ReserveUsageData[] memory userUsedERC1155Reserves = pool.getUserUsedERC1155Reserves(user);
userERC1155ReservesData = new UserERC1155ReserveData[](userUsedERC1155Reserves.length);
for (uint256 i = 0; i < userUsedERC1155Reserves.length; i++) {
uint256 tokenId = userUsedERC1155Reserves[i].tokenId;
address asset = userUsedERC1155Reserves[i].asset;
DataTypes.ERC1155ReserveData memory reserveData = pool.getERC1155ReserveData(asset);
DataTypes.ERC1155ReserveConfiguration memory config =
IERC1155ConfigurationProvider(reserveData.configurationProvider).getERC1155ReserveConfig(tokenId);
uint256 balance = IERC1155(reserveData.nTokenAddress).balanceOf(user, tokenId);
userERC1155ReservesData[i] = UserERC1155ReserveData({
asset: asset,
tokenId: tokenId,
balance: balance,
ltv: config.ltv,
liquidationThreshold: config.liquidationThreshold,
usdValue: balance * oracle.getERC1155AssetPrice(asset, tokenId) / IERC1155Supply(asset).totalSupply(tokenId),
nTokenAddress: reserveData.nTokenAddress
});
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC1155/IERC1155.sol)
pragma solidity ^0.8.20;
import {IERC165} from "../../utils/introspection/IERC165.sol";
/**
* @dev Required interface of an ERC1155 compliant contract, as defined in the
* https://eips.ethereum.org/EIPS/eip-1155[EIP].
*/
interface IERC1155 is IERC165 {
/**
* @dev Emitted when `value` amount of tokens of type `id` are transferred from `from` to `to` by `operator`.
*/
event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);
/**
* @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
* transfers.
*/
event TransferBatch(
address indexed operator,
address indexed from,
address indexed to,
uint256[] ids,
uint256[] values
);
/**
* @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
* `approved`.
*/
event ApprovalForAll(address indexed account, address indexed operator, bool approved);
/**
* @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
*
* If an {URI} event was emitted for `id`, the standard
* https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
* returned by {IERC1155MetadataURI-uri}.
*/
event URI(string value, uint256 indexed id);
/**
* @dev Returns the value of tokens of token type `id` owned by `account`.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function balanceOf(address account, uint256 id) external view returns (uint256);
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
*
* Requirements:
*
* - `accounts` and `ids` must have the same length.
*/
function balanceOfBatch(
address[] calldata accounts,
uint256[] calldata ids
) external view returns (uint256[] memory);
/**
* @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
*
* Emits an {ApprovalForAll} event.
*
* Requirements:
*
* - `operator` cannot be the caller.
*/
function setApprovalForAll(address operator, bool approved) external;
/**
* @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
*
* See {setApprovalForAll}.
*/
function isApprovedForAll(address account, address operator) external view returns (bool);
/**
* @dev Transfers a `value` amount of tokens of type `id` from `from` to `to`.
*
* WARNING: This function can potentially allow a reentrancy attack when transferring tokens
* to an untrusted contract, when invoking {onERC1155Received} on the receiver.
* Ensure to follow the checks-effects-interactions pattern and consider employing
* reentrancy guards when interacting with untrusted contracts.
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
* - `from` must have a balance of tokens of type `id` of at least `value` amount.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
* acceptance magic value.
*/
function safeTransferFrom(address from, address to, uint256 id, uint256 value, bytes calldata data) external;
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
*
*
* WARNING: This function can potentially allow a reentrancy attack when transferring tokens
* to an untrusted contract, when invoking {onERC1155BatchReceived} on the receiver.
* Ensure to follow the checks-effects-interactions pattern and consider employing
* reentrancy guards when interacting with untrusted contracts.
*
* Emits a {TransferBatch} event.
*
* Requirements:
*
* - `ids` and `values` must have the same length.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
* acceptance magic value.
*/
function safeBatchTransferFrom(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata values,
bytes calldata data
) external;
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
/**
* @title IPoolAddressesProvider
*
* @notice Defines the basic interface for a Pool Addresses Provider.
*/
interface IPoolAddressesProvider {
/**
* @dev Emitted when the market identifier is updated.
* @param oldMarketId The old id of the market
* @param newMarketId The new id of the market
*/
event MarketIdSet(string indexed oldMarketId, string indexed newMarketId);
/**
* @dev Emitted when the pool is updated.
* @param newAddress The new address of the Pool
*/
event PoolUpdated(address indexed newAddress);
/**
* @dev Emitted when the pool configurator is updated.
* @param newAddress The new address of the PoolConfigurator
*/
event PoolConfiguratorUpdated(address indexed newAddress);
/**
* @dev Emitted when the price oracle is updated.
* @param oldAddress The old address of the PriceOracle
* @param newAddress The new address of the PriceOracle
*/
event PriceOracleUpdated(address indexed oldAddress, address indexed newAddress);
/**
* @dev Emitted when the ACL manager is updated.
* @param oldAddress The old address of the ACLManager
* @param newAddress The new address of the ACLManager
*/
event ACLManagerUpdated(address indexed oldAddress, address indexed newAddress);
/**
* @dev Emitted when the ACL admin is updated.
* @param oldAddress The old address of the ACLAdmin
* @param newAddress The new address of the ACLAdmin
*/
event ACLAdminUpdated(address indexed oldAddress, address indexed newAddress);
/**
* @dev Emitted when the price oracle sentinel is updated.
* @param oldAddress The old address of the PriceOracleSentinel
* @param newAddress The new address of the PriceOracleSentinel
*/
event PriceOracleSentinelUpdated(address indexed oldAddress, address indexed newAddress);
/**
* @dev Emitted when the pool data provider is updated.
* @param oldAddress The old address of the PoolDataProvider
* @param newAddress The new address of the PoolDataProvider
*/
event PoolDataProviderUpdated(address indexed oldAddress, address indexed newAddress);
/**
* @dev Emitted when a new proxy is created.
* @param id The identifier of the proxy
* @param proxyAddress The address of the created proxy contract
* @param implementationAddress The address of the implementation contract
*/
event ProxyCreated(bytes32 indexed id, address indexed proxyAddress, address indexed implementationAddress);
/**
* @dev Emitted when a new non-proxied contract address is registered.
* @param id The identifier of the contract
* @param oldAddress The address of the old contract
* @param newAddress The address of the new contract
*/
event AddressSet(bytes32 indexed id, address indexed oldAddress, address indexed newAddress);
/**
* @dev Emitted when the implementation of the proxy registered with id is updated
* @param id The identifier of the contract
* @param proxyAddress The address of the proxy contract
* @param newImplementationAddress The address of the new implementation contract
*/
event AddressSetAsProxy(bytes32 indexed id, address indexed proxyAddress, address indexed newImplementationAddress);
/**
* @notice Returns the id of the YLDR market to which this contract points to.
* @return The market id
*/
function getMarketId() external view returns (string memory);
/**
* @notice Associates an id with a specific PoolAddressesProvider.
* @dev This can be used to create an onchain registry of PoolAddressesProviders to
* identify and validate multiple YLDR markets.
* @param newMarketId The market id
*/
function setMarketId(string calldata newMarketId) external;
/**
* @notice Returns an address by its identifier.
* @dev The returned address might be an EOA or a contract, potentially proxied
* @dev It returns ZERO if there is no registered address with the given id
* @param id The id
* @return The address of the registered for the specified id
*/
function getAddress(bytes32 id) external view returns (address);
/**
* @notice General function to update the implementation of a proxy registered with
* certain `id`. If there is no proxy registered, it will instantiate one and
* set as implementation the `newImplementationAddress`.
* @dev IMPORTANT Use this function carefully, only for ids that don't have an explicit
* setter function, in order to avoid unexpected consequences
* @param id The id
* @param newImplementationAddress The address of the new implementation
*/
function setAddressAsProxy(bytes32 id, address newImplementationAddress) external;
/**
* @notice Sets an address for an id replacing the address saved in the addresses map.
* @dev IMPORTANT Use this function carefully, as it will do a hard replacement
* @param id The id
* @param newAddress The address to set
*/
function setAddress(bytes32 id, address newAddress) external;
/**
* @notice Returns the address of the Pool proxy.
* @return The Pool proxy address
*/
function getPool() external view returns (address);
/**
* @notice Updates the implementation of the Pool, or creates a proxy
* setting the new `pool` implementation when the function is called for the first time.
* @param newPoolImpl The new Pool implementation
*/
function setPoolImpl(address newPoolImpl) external;
/**
* @notice Returns the address of the PoolConfigurator proxy.
* @return The PoolConfigurator proxy address
*/
function getPoolConfigurator() external view returns (address);
/**
* @notice Updates the implementation of the PoolConfigurator, or creates a proxy
* setting the new `PoolConfigurator` implementation when the function is called for the first time.
* @param newPoolConfiguratorImpl The new PoolConfigurator implementation
*/
function setPoolConfiguratorImpl(address newPoolConfiguratorImpl) external;
/**
* @notice Returns the address of the price oracle.
* @return The address of the PriceOracle
*/
function getPriceOracle() external view returns (address);
/**
* @notice Updates the address of the price oracle.
* @param newPriceOracle The address of the new PriceOracle
*/
function setPriceOracle(address newPriceOracle) external;
/**
* @notice Returns the address of the ACL manager.
* @return The address of the ACLManager
*/
function getACLManager() external view returns (address);
/**
* @notice Updates the address of the ACL manager.
* @param newAclManager The address of the new ACLManager
*/
function setACLManager(address newAclManager) external;
/**
* @notice Returns the address of the ACL admin.
* @return The address of the ACL admin
*/
function getACLAdmin() external view returns (address);
/**
* @notice Updates the address of the ACL admin.
* @param newAclAdmin The address of the new ACL admin
*/
function setACLAdmin(address newAclAdmin) external;
/**
* @notice Returns the address of the price oracle sentinel.
* @return The address of the PriceOracleSentinel
*/
function getPriceOracleSentinel() external view returns (address);
/**
* @notice Updates the address of the price oracle sentinel.
* @param newPriceOracleSentinel The address of the new PriceOracleSentinel
*/
function setPriceOracleSentinel(address newPriceOracleSentinel) external;
/**
* @notice Returns the address of the data provider.
* @return The address of the DataProvider
*/
function getPoolDataProvider() external view returns (address);
/**
* @notice Updates the address of the data provider.
* @param newDataProvider The address of the new DataProvider
*/
function setPoolDataProvider(address newDataProvider) external;
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
import {IPoolAddressesProvider} from "./IPoolAddressesProvider.sol";
import {DataTypes} from "../protocol/libraries/types/DataTypes.sol";
/**
* @title IPool
*
* @notice Defines the basic interface for an YLDR Pool.
*/
interface IPool {
/**
* @dev Emitted on supply()
* @param reserve The address of the underlying asset of the reserve
* @param user The address initiating the supply
* @param onBehalfOf The beneficiary of the supply, receiving the yTokens
* @param amount The amount supplied
* @param referralCode The referral code used
*/
event Supply(
address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint16 indexed referralCode
);
/**
* @dev Emitted on supplyERC1155()
* @param reserve The address of the underlying asset of the reserve
* @param user The address initiating the supply
* @param onBehalfOf The beneficiary of the supply, receiving the yTokens
* @param tokenId The tokenId supplied
* @param amount The amount supplied
* @param referralCode The referral code used
*/
event SupplyERC1155(
address indexed reserve,
address user,
address indexed onBehalfOf,
uint256 tokenId,
uint256 amount,
uint16 indexed referralCode
);
/**
* @dev Emitted on withdraw()
* @param reserve The address of the underlying asset being withdrawn
* @param user The address initiating the withdrawal, owner of yTokens
* @param to The address that will receive the underlying
* @param amount The amount to be withdrawn
*/
event Withdraw(address indexed reserve, address indexed user, address indexed to, uint256 amount);
/**
* @dev Emitted on withdrawERC1155()
* @param reserve The address of the underlying asset of the reserve
* @param user The address initiating the withdrawal
* @param onBehalfOf The beneficiary of the withdrawal, receiving the yTokens
* @param tokenId The tokenId withdrawn
* @param amount The amount withdrawn
*/
event WithdrawERC1155(
address indexed reserve, address user, address indexed onBehalfOf, uint256 tokenId, uint256 amount
);
/**
* @dev Emitted on borrow() and flashLoan() when debt needs to be opened
* @param reserve The address of the underlying asset being borrowed
* @param user The address of the user initiating the borrow(), receiving the funds on borrow() or just
* initiator of the transaction on flashLoan()
* @param onBehalfOf The address that will be getting the debt
* @param amount The amount borrowed out
* @param borrowRate The numeric rate at which the user has borrowed, expressed in ray
* @param referralCode The referral code used
*/
event Borrow(
address indexed reserve,
address user,
address indexed onBehalfOf,
uint256 amount,
uint256 borrowRate,
uint16 indexed referralCode
);
/**
* @dev Emitted on repay()
* @param reserve The address of the underlying asset of the reserve
* @param user The beneficiary of the repayment, getting his debt reduced
* @param repayer The address of the user initiating the repay(), providing the funds
* @param amount The amount repaid
* @param useYTokens True if the repayment is done using yTokens, `false` if done with underlying asset directly
*/
event Repay(
address indexed reserve, address indexed user, address indexed repayer, uint256 amount, bool useYTokens
);
/**
* @dev Emitted on setUserUseReserveAsCollateral()
* @param reserve The address of the underlying asset of the reserve
* @param user The address of the user enabling the usage as collateral
*/
event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user);
/**
* @dev Emitted on setUserUseReserveAsCollateral()
* @param reserve The address of the underlying asset of the reserve
* @param user The address of the user enabling the usage as collateral
*/
event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user);
/**
* @dev Emitted on setUserUseERC1155ReserveAsCollateral()
* @param reserve The address of the underlying asset of the reserve
* @param tokenId The tokenId of token being enabled as collateral
* @param user The address of the user enabling the usage as collateral
*/
event ERC1155ReserveUsedAsCollateralEnabled(address indexed reserve, uint256 indexed tokenId, address indexed user);
/**
* @dev Emitted on setUserUseERC1155ReserveAsCollateral()
* @param reserve The address of the underlying asset of the reserve
* @param tokenId The tokenId of token being disabled as collateral
* @param user The address of the user disabling the usage as collateral
*/
event ERC1155ReserveUsedAsCollateralDisabled(
address indexed reserve, uint256 indexed tokenId, address indexed user
);
/**
* @dev Emitted on flashLoan()
* @param target The address of the flash loan receiver contract
* @param initiator The address initiating the flash loan
* @param asset The address of the asset being flash borrowed
* @param amount The amount flash borrowed
* @param openPosition Whether a new borrow position was opened
* @param premium The fee flash borrowed
* @param referralCode The referral code used
*/
event FlashLoan(
address indexed target,
address initiator,
address indexed asset,
uint256 amount,
bool openPosition,
uint256 premium,
uint16 indexed referralCode
);
/**
* @dev Emitted when a borrower is liquidated.
* @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
* @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
* @param user The address of the borrower getting liquidated
* @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
* @param liquidatedCollateralAmount The amount of collateral received by the liquidator
* @param liquidator The address of the liquidator
* @param receiveYToken True if the liquidators wants to receive the collateral yTokens, `false` if he wants
* to receive the underlying collateral asset directly
*/
event LiquidationCall(
address indexed collateralAsset,
address indexed debtAsset,
address indexed user,
uint256 debtToCover,
uint256 liquidatedCollateralAmount,
address liquidator,
bool receiveYToken
);
/**
* @dev Emitted when a borrower is liquidated.
* @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
* @param collateralTokenId The tokenId of the underlying asset used as collateral, to receive as result of the liquidation
* @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
* @param user The address of the borrower getting liquidated
* @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
* @param liquidatedCollateralAmount The amount of collateral received by the liquidator
* @param liquidator The address of the liquidator
* @param receiveNToken True if the liquidators wants to receive the collateral nTokens, `false` if he wants
* to receive the underlying collateral asset directly
*/
event ERC1155LiquidationCall(
address indexed collateralAsset,
uint256 collateralTokenId,
address indexed debtAsset,
address indexed user,
uint256 debtToCover,
uint256 liquidatedCollateralAmount,
address liquidator,
bool receiveNToken
);
/**
* @dev Emitted when the state of a reserve is updated.
* @param reserve The address of the underlying asset of the reserve
* @param liquidityRate The next liquidity rate
* @param variableBorrowRate The next variable borrow rate
* @param liquidityIndex The next liquidity index
* @param variableBorrowIndex The next variable borrow index
*/
event ReserveDataUpdated(
address indexed reserve,
uint256 liquidityRate,
uint256 variableBorrowRate,
uint256 liquidityIndex,
uint256 variableBorrowIndex
);
/**
* @dev Emitted when the protocol treasury receives minted yTokens from the accrued interest.
* @param reserve The address of the reserve
* @param amountMinted The amount minted to the treasury
*/
event MintedToTreasury(address indexed reserve, uint256 amountMinted);
/**
* @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying yTokens.
* - E.g. User supplies 100 USDC and gets in return 100 aUSDC
* @param asset The address of the underlying asset to supply
* @param amount The amount to be supplied
* @param onBehalfOf The address that will receive the yTokens, same as msg.sender if the user
* wants to receive them on his own wallet, or a different address if the beneficiary of yTokens
* is a different wallet
* @param referralCode Code used to register the integrator originating the operation, for potential rewards.
* 0 if the action is executed directly by the user, without any middle-man
*/
function supply(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external;
/**
* @notice Supplies an `tokenId` of underlying asset into the reserve, receiving in return overlying nTokens.
* @param asset The address of the underlying asset to supply
* @param tokenId The tokenId to be supplied
* @param amount The amount to be supplied
* @param onBehalfOf The address that will receive the nTokens, same as msg.sender if the user
* wants to receive them on his own wallet, or a different address if the beneficiary of nTokens
* is a different wallet
* @param referralCode Code used to register the integrator originating the operation, for potential rewards.
* 0 if the action is executed directly by the user, without any middle-man
*/
function supplyERC1155(address asset, uint256 tokenId, uint256 amount, address onBehalfOf, uint16 referralCode)
external;
/**
* @notice Supply with transfer approval of asset to be supplied done via permit function
* see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713
* @param asset The address of the underlying asset to supply
* @param amount The amount to be supplied
* @param onBehalfOf The address that will receive the yTokens, same as msg.sender if the user
* wants to receive them on his own wallet, or a different address if the beneficiary of yTokens
* is a different wallet
* @param deadline The deadline timestamp that the permit is valid
* @param referralCode Code used to register the integrator originating the operation, for potential rewards.
* 0 if the action is executed directly by the user, without any middle-man
* @param permitV The V parameter of ERC712 permit sig
* @param permitR The R parameter of ERC712 permit sig
* @param permitS The S parameter of ERC712 permit sig
*/
function supplyWithPermit(
address asset,
uint256 amount,
address onBehalfOf,
uint16 referralCode,
uint256 deadline,
uint8 permitV,
bytes32 permitR,
bytes32 permitS
) external;
/**
* @notice Withdraws an `amount` of underlying asset from the reserve, burning the equivalent yTokens owned
* E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC
* @param asset The address of the underlying asset to withdraw
* @param amount The underlying amount to be withdrawn
* - Send the value type(uint256).max in order to withdraw the whole yToken balance
* @param to The address that will receive the underlying, same as msg.sender if the user
* wants to receive it on his own wallet, or a different address if the beneficiary is a
* different wallet
* @return The final amount withdrawn
*/
function withdraw(address asset, uint256 amount, address to) external returns (uint256);
/**
* @notice Withdraws an `amount` of underlying asset with `tokenId` from the reserve, burning the equivalent nTokens owned
* @param asset The address of the underlying asset to withdraw
* @param tokenId The tokenId to be withdrawn
* @param amount The underlying amount to be withdrawn
* - Send the value type(uint256).max in order to withdraw the whole nToken balance
* @param to The address that will receive the underlying, same as msg.sender if the user
* wants to receive it on his own wallet, or a different address if the beneficiary is a
* different wallet
* @return The final amount withdrawn
*/
function withdrawERC1155(address asset, uint256 tokenId, uint256 amount, address to) external returns (uint256);
/**
* @notice Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower
* already supplied enough collateral, or he was given enough allowance by a credit delegator on the
* corresponding debt token
* - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet
* and 100 variable debt tokens
* @param asset The address of the underlying asset to borrow
* @param amount The amount to be borrowed
* @param referralCode The code used to register the integrator originating the operation, for potential rewards.
* 0 if the action is executed directly by the user, without any middle-man
* @param onBehalfOf The address of the user who will receive the debt. Should be the address of the borrower itself
* calling the function if he wants to borrow against his own collateral, or the address of the credit delegator
* if he has been given credit delegation allowance
*/
function borrow(address asset, uint256 amount, uint16 referralCode, address onBehalfOf) external;
/**
* @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned
* - E.g. User repays 100 USDC, burning 100 debt tokens of the `onBehalfOf` address
* @param asset The address of the borrowed underlying asset previously borrowed
* @param amount The amount to repay
* - Send the value type(uint256).max in order to repay the whole debt for `asset`
* @param onBehalfOf The address of the user who will get his debt reduced/removed. Should be the address of the
* user calling the function if he wants to reduce/remove his own debt, or the address of any other
* other borrower whose debt should be removed
* @return The final amount repaid
*/
function repay(address asset, uint256 amount, address onBehalfOf) external returns (uint256);
/**
* @notice Repay with transfer approval of asset to be repaid done via permit function
* see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713
* @param asset The address of the borrowed underlying asset previously borrowed
* @param amount The amount to repay
* - Send the value type(uint256).max in order to repay the whole debt for `asset`
* @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the
* user calling the function if he wants to reduce/remove his own debt, or the address of any other
* other borrower whose debt should be removed
* @param deadline The deadline timestamp that the permit is valid
* @param permitV The V parameter of ERC712 permit sig
* @param permitR The R parameter of ERC712 permit sig
* @param permitS The S parameter of ERC712 permit sig
* @return The final amount repaid
*/
function repayWithPermit(
address asset,
uint256 amount,
address onBehalfOf,
uint256 deadline,
uint8 permitV,
bytes32 permitR,
bytes32 permitS
) external returns (uint256);
/**
* @notice Repays a borrowed `amount` on a specific reserve using the reserve yTokens, burning the
* equivalent debt tokens
* - E.g. User repays 100 USDC using 100 aUSDC, burning 100 debt tokens
* @dev Passing uint256.max as amount will clean up any residual yToken dust balance, if the user yToken
* balance is not enough to cover the whole debt
* @param asset The address of the borrowed underlying asset previously borrowed
* @param amount The amount to repay
* - Send the value type(uint256).max in order to repay the whole debt for `asset`
* @return The final amount repaid
*/
function repayWithYTokens(address asset, uint256 amount) external returns (uint256);
/**
* @notice Allows suppliers to enable/disable a specific supplied asset as collateral
* @param asset The address of the underlying asset supplied
* @param useAsCollateral True if the user wants to use the supply as collateral, false otherwise
*/
function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external;
/**
* @notice Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1
* - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives
* a proportionally amount of the `collateralAsset` plus a bonus to cover market risk
* @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
* @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
* @param user The address of the borrower getting liquidated
* @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
* @param receiveYToken True if the liquidators wants to receive the collateral yTokens, `false` if he wants
* to receive the underlying collateral asset directly
*/
function liquidationCall(
address collateralAsset,
address debtAsset,
address user,
uint256 debtToCover,
bool receiveYToken
) external;
/**
* @notice Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1
* - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives
* a proportionally amount of the `collateralAsset` plus a bonus to cover market risk
* @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
* @param collateralTokenId The tokenId of the underlying asset used as collateral, to receive as result of the liquidation
* @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
* @param user The address of the borrower getting liquidated
* @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
* @param receiveNToken True if the liquidators wants to receive the collateral nTokens, `false` if he wants
* to receive the underlying collateral asset directly
*/
function erc1155LiquidationCall(
address collateralAsset,
uint256 collateralTokenId,
address debtAsset,
address user,
uint256 debtToCover,
bool receiveNToken
) external;
/**
* @notice Allows smartcontracts to access the liquidity of the pool within one transaction,
* as long as the amount taken plus a fee is returned.
* @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept
* into consideration.
* @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanReceiver interface
* @param assets The addresses of the assets being flash-borrowed
* @param amounts The amounts of the assets being flash-borrowed
* @param createPosition Array of boolean values:
* false -> Don't open any debt, just revert if funds can't be transferred from the receiver
* true -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
* @param onBehalfOf The address that will receive the debt in the case of using on `modes` 1 or 2
* @param params Variadic packed params to pass to the receiver as extra information
* @param referralCode The code used to register the integrator originating the operation, for potential rewards.
* 0 if the action is executed directly by the user, without any middle-man
*/
function flashLoan(
address receiverAddress,
address[] calldata assets,
uint256[] calldata amounts,
bool[] calldata createPosition,
address onBehalfOf,
bytes calldata params,
uint16 referralCode
) external;
/**
* @notice Allows smartcontracts to access the liquidity of the pool within one transaction,
* as long as the amount taken plus a fee is returned.
* @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept
* into consideration.
* @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanSimpleReceiver interface
* @param asset The address of the asset being flash-borrowed
* @param amount The amount of the asset being flash-borrowed
* @param params Variadic packed params to pass to the receiver as extra information
* @param referralCode The code used to register the integrator originating the operation, for potential rewards.
* 0 if the action is executed directly by the user, without any middle-man
*/
function flashLoanSimple(
address receiverAddress,
address asset,
uint256 amount,
bytes calldata params,
uint16 referralCode
) external;
/**
* @notice Returns the user account data across all the reserves
* @param user The address of the user
* @return totalCollateralBase The total collateral of the user in the base currency used by the price feed
* @return totalDebtBase The total debt of the user in the base currency used by the price feed
* @return availableBorrowsBase The borrowing power left of the user in the base currency used by the price feed
* @return currentLiquidationThreshold The liquidation threshold of the user
* @return ltv The loan to value of The user
* @return healthFactor The current health factor of the user
*/
function getUserAccountData(address user)
external
view
returns (
uint256 totalCollateralBase,
uint256 totalDebtBase,
uint256 availableBorrowsBase,
uint256 currentLiquidationThreshold,
uint256 ltv,
uint256 healthFactor
);
/**
* @notice Initializes a reserve, activating it, assigning an yToken and debt token and an
* interest rate strategy
* @dev Only callable by the PoolConfigurator contract
* @param asset The address of the underlying asset of the reserve
* @param yTokenAddress The address of the yToken that will be assigned to the reserve
* @param variableDebtAddress The address of the VariableDebtToken that will be assigned to the reserve
* @param interestRateStrategyAddress The address of the interest rate strategy contract
*/
function initReserve(
address asset,
address yTokenAddress,
address variableDebtAddress,
address interestRateStrategyAddress
) external;
/**
* @notice Initializes a reserve, activating it, assigning an nToken and configuration provider
* @dev Only callable by the PoolConfigurator contract
* @param asset The address of the underlying asset of the reserve
* @param nTokenAddress The address of the nToken that will be assigned to the reserve
* @param configurationProvider The address of the provider of configuration for the reserve
*/
function initERC1155Reserve(address asset, address nTokenAddress, address configurationProvider) external;
/**
* @notice Drop a reserve
* @dev Only callable by the PoolConfigurator contract
* @param asset The address of the underlying asset of the reserve
*/
function dropReserve(address asset) external;
/**
* @notice Drop a ERC1155 reserve
* @dev Only callable by the PoolConfigurator contract
* @param asset The address of the underlying asset of the reserve
*/
function dropERC1155Reserve(address asset) external;
/**
* @notice Updates the address of the interest rate strategy contract
* @dev Only callable by the PoolConfigurator contract
* @param asset The address of the underlying asset of the reserve
* @param rateStrategyAddress The address of the interest rate strategy contract
*/
function setReserveInterestRateStrategyAddress(address asset, address rateStrategyAddress) external;
/**
* @notice Updates the address of the configuration provider for a ERC1155 reserve
* @dev Only callable by the PoolConfigurator contract
* @param asset The address of the underlying asset of the reserve
* @param configurationProvider The address of the new configuration provider
*/
function setERC1155ReserveConfigurationProvider(address asset, address configurationProvider) external;
/**
* @notice Updates the liquidation protocol fee for a ERC1155 reserve
* @dev Only callable by the PoolConfigurator contract
* @param asset The address of the underlying asset of the reserve
* @param liquidationProtocolFee New liquidation protocol fee
*/
function setERC1155ReserveLiquidationProtocolFee(address asset, uint256 liquidationProtocolFee) external;
/**
* @notice Sets the configuration bitmap of the reserve as a whole
* @dev Only callable by the PoolConfigurator contract
* @param asset The address of the underlying asset of the reserve
* @param configuration The new configuration bitmap
*/
function setConfiguration(address asset, DataTypes.ReserveConfigurationMap calldata configuration) external;
/**
* @notice Returns the configuration of the reserve
* @param asset The address of the underlying asset of the reserve
* @return The configuration of the reserve
*/
function getConfiguration(address asset) external view returns (DataTypes.ReserveConfigurationMap memory);
/**
* @notice Returns the configuration of the user across all the reserves
* @param user The user address
* @return The configuration of the user
*/
function getUserConfiguration(address user) external view returns (DataTypes.UserConfigurationMap memory);
/**
* @notice Returns the list of ERC1155 reserves used by a user
* @param user The user address
* @return The list of ERC1155 reserves used as a collateral by a user
*/
function getUserUsedERC1155Reserves(address user)
external
view
returns (DataTypes.ERC1155ReserveUsageData[] memory);
/**
* @notice Returns the normalized income of the reserve
* @param asset The address of the underlying asset of the reserve
* @return The reserve's normalized income
*/
function getReserveNormalizedIncome(address asset) external view returns (uint256);
/**
* @notice Returns the normalized variable debt per unit of asset
* @dev WARNING: This function is intended to be used primarily by the protocol itself to get a
* "dynamic" variable index based on time, current stored index and virtual rate at the current
* moment (approx. a borrower would get if opening a position). This means that is always used in
* combination with variable debt supply/balances.
* If using this function externally, consider that is possible to have an increasing normalized
* variable debt that is not equivalent to how the variable debt index would be updated in storage
* (e.g. only updates with non-zero variable debt supply)
* @param asset The address of the underlying asset of the reserve
* @return The reserve normalized variable debt
*/
function getReserveNormalizedVariableDebt(address asset) external view returns (uint256);
/**
* @notice Returns the state and configuration of the reserve
* @param asset The address of the underlying asset of the reserve
* @return The state and configuration data of the reserve
*/
function getReserveData(address asset) external view returns (DataTypes.ReserveData memory);
/**
* @notice Returns the state and configuration of the ERC1155 reserve
* @param asset The address of the underlying asset of the reserve
* @return The state and configuration data of the reserve
*/
function getERC1155ReserveData(address asset) external view returns (DataTypes.ERC1155ReserveData memory);
/**
* @notice Validates and finalizes an yToken transfer
* @dev Only callable by the overlying yToken of the `asset`
* @param asset The address of the underlying asset of the yToken
* @param from The user from which the yTokens are transferred
* @param to The user receiving the yTokens
* @param amount The amount being transferred/withdrawn
* @param balanceFromBefore The yToken balance of the `from` user before the transfer
* @param balanceToBefore The yToken balance of the `to` user before the transfer
*/
function finalizeTransfer(
address asset,
address from,
address to,
uint256 amount,
uint256 balanceFromBefore,
uint256 balanceToBefore
) external;
/**
* @notice Validates and finalizes an nToken transfer
* @dev Only callable by the overlying nToken of the `asset`
* @param asset The address of the underlying asset of the nToken
* @param from The user from which the nToken are transferred
* @param to The user receiving the nToken
* @param ids The ids of tokens being transferred/withdrawn
* @param amounts The amounts being transferred/withdrawn
*/
function finalizeERC1155Transfer(
address asset,
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts
) external;
/**
* @notice Returns the list of the underlying assets of all the initialized reserves
* @dev It does not include dropped reserves
* @return The addresses of the underlying assets of the initialized reserves
*/
function getReservesList() external view returns (address[] memory);
/**
* @notice Returns the address of the underlying asset of a reserve by the reserve id as stored in the DataTypes.ReserveData struct
* @param id The id of the reserve as stored in the DataTypes.ReserveData struct
* @return The address of the reserve associated with id
*/
function getReserveAddressById(uint16 id) external view returns (address);
/**
* @notice Returns the PoolAddressesProvider connected to this contract
* @return The address of the PoolAddressesProvider
*/
function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);
/**
* @notice Updates flash loan premiums. Flash loan premium consists of two parts:
* - A part is sent to yToken holders as extra, one time accumulated interest
* - A part is collected by the protocol treasury
* @dev The total premium is calculated on the total borrowed amount
* @dev The premium to protocol is calculated on the total premium, being a percentage of `flashLoanPremiumTotal`
* @dev Only callable by the PoolConfigurator contract
* @param flashLoanPremiumTotal The total premium, expressed in bps
* @param flashLoanPremiumToProtocol The part of the premium sent to the protocol treasury, expressed in bps
*/
function updateFlashloanPremiums(uint128 flashLoanPremiumTotal, uint128 flashLoanPremiumToProtocol) external;
/**
* @notice Updates max amount of ERC1155 collaterals user may have.
* @dev Only callable by the PoolConfigurator contract
* @param maxERC1155CollateralReservesNumber The new value
*/
function updateMaxERC1155CollateralReserves(uint256 maxERC1155CollateralReservesNumber) external;
/**
* @notice Returns the total fee on flash loans
* @return The total fee on flashloans
*/
function FLASHLOAN_PREMIUM_TOTAL() external view returns (uint128);
/**
* @notice Returns the part of the flashloan fees sent to protocol
* @return The flashloan fee sent to the protocol treasury
*/
function FLASHLOAN_PREMIUM_TO_PROTOCOL() external view returns (uint128);
/**
* @notice Returns the maximum number of reserves supported to be listed in this Pool
* @return The maximum number of reserves supported
*/
function MAX_NUMBER_RESERVES() external view returns (uint16);
/**
* @notice Returns the maximum number of ERC1155 collateral reserves which can be used by a single user
* @return The maximum number of ERC1155 collateral reserves supported
*/
function MAX_ERC1155_COLLATERAL_RESERVES() external view returns (uint256);
/**
* @notice Mints the assets accrued through the reserve factor to the treasury in the form of yTokens
* @param assets The list of reserves for which the minting needs to be executed
*/
function mintToTreasury(address[] calldata assets) external;
/**
* @notice Rescue and transfer tokens locked in this contract
* @param token The address of the token
* @param to The address of the recipient
* @param amount The amount of token to transfer
*/
function rescueTokens(address token, address to, uint256 amount) external;
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
import {IPriceOracleGetter} from "./IPriceOracleGetter.sol";
import {IPoolAddressesProvider} from "./IPoolAddressesProvider.sol";
/**
* @title IYLDROracle
*
* @notice Defines the basic interface for the YLDR Oracle
*/
interface IYLDROracle is IPriceOracleGetter {
/**
* @dev Emitted after the base currency is set
* @param baseCurrency The base currency of used for price quotes
* @param baseCurrencyUnit The unit of the base currency
*/
event BaseCurrencySet(address indexed baseCurrency, uint256 baseCurrencyUnit);
/**
* @dev Emitted after the price source of an asset is updated
* @param asset The address of the asset
* @param source The price source of the asset
*/
event AssetSourceUpdated(address indexed asset, address indexed source);
/**
* @dev Emitted after the price source of an ERC1155 asset is updated
* @param asset The address of the asset
* @param source The price source of the asset
*/
event ERC1155AssetSourceUpdated(address indexed asset, address indexed source);
/**
* @dev Emitted after the address of fallback oracle is updated
* @param fallbackOracle The address of the fallback oracle
*/
event FallbackOracleUpdated(address indexed fallbackOracle);
/**
* @notice Returns the PoolAddressesProvider
* @return The address of the PoolAddressesProvider contract
*/
function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);
/**
* @notice Sets or replaces price sources of assets
* @param assets The addresses of the assets
* @param sources The addresses of the price sources
*/
function setAssetSources(address[] calldata assets, address[] calldata sources) external;
/**
* @notice Sets or replaces price sources of ERC1155 assets
* @param assets The addresses of the assets
* @param sources The addresses of the price sources
*/
function setERC1155AssetSources(address[] calldata assets, address[] calldata sources) external;
/**
* @notice Sets the fallback oracle
* @param fallbackOracle The address of the fallback oracle
*/
function setFallbackOracle(address fallbackOracle) external;
/**
* @notice Returns a list of prices from a list of assets addresses
* @param assets The list of assets addresses
* @return The prices of the given assets
*/
function getAssetsPrices(address[] calldata assets) external view returns (uint256[] memory);
/**
* @notice Returns the address of the source for an asset address
* @param asset The address of the asset
* @return The address of the source
*/
function getSourceOfAsset(address asset) external view returns (address);
/**
* @notice Returns the address of the fallback oracle
* @return The address of the fallback oracle
*/
function getFallbackOracle() external view returns (address);
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IScaledBalanceToken} from "./IScaledBalanceToken.sol";
import {IInitializableYToken} from "./IInitializableYToken.sol";
/**
* @title IYToken
*
* @notice Defines the basic interface for an YToken.
*/
interface IYToken is IERC20, IScaledBalanceToken, IInitializableYToken {
/**
* @dev Emitted during the transfer action
* @param from The user whose tokens are being transferred
* @param to The recipient
* @param value The scaled amount being transferred
* @param index The next liquidity index of the reserve
*/
event BalanceTransfer(address indexed from, address indexed to, uint256 value, uint256 index);
/**
* @notice Mints `amount` yTokens to `user`
* @param caller The address performing the mint
* @param onBehalfOf The address of the user that will receive the minted yTokens
* @param amount The amount of tokens getting minted
* @param index The next liquidity index of the reserve
* @return `true` if the the previous balance of the user was 0
*/
function mint(address caller, address onBehalfOf, uint256 amount, uint256 index) external returns (bool);
/**
* @notice Burns yTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying`
* @dev In some instances, the mint event could be emitted from a burn transaction
* if the amount to burn is less than the interest that the user accrued
* @param from The address from which the yTokens will be burned
* @param receiverOfUnderlying The address that will receive the underlying
* @param amount The amount being burned
* @param index The next liquidity index of the reserve
*/
function burn(address from, address receiverOfUnderlying, uint256 amount, uint256 index) external;
/**
* @notice Mints yTokens to the reserve treasury
* @param amount The amount of tokens getting minted
* @param index The next liquidity index of the reserve
*/
function mintToTreasury(uint256 amount, uint256 index) external;
/**
* @notice Transfers yTokens in the event of a borrow being liquidated, in case the liquidators reclaims the yToken
* @param from The address getting liquidated, current owner of the yTokens
* @param to The recipient
* @param value The amount of tokens getting transferred
*/
function transferOnLiquidation(address from, address to, uint256 value) external;
/**
* @notice Transfers the underlying asset to `target`.
* @dev Used by the Pool to transfer assets in borrow(), withdraw() and flashLoan()
* @param target The recipient of the underlying
* @param amount The amount getting transferred
*/
function transferUnderlyingTo(address target, uint256 amount) external;
/**
* @notice Handles the underlying received by the yToken after the transfer has been completed.
* @dev The default implementation is empty as with standard ERC20 tokens, nothing needs to be done after the
* transfer is concluded. However in the future there may be yTokens that allow for example to stake the underlying
* to receive LM rewards. In that case, `handleRepayment()` would perform the staking of the underlying asset.
* @param user The user executing the repayment
* @param onBehalfOf The address of the user who will get his debt reduced/removed
* @param amount The amount getting repaid
*/
function handleRepayment(address user, address onBehalfOf, uint256 amount) external;
/**
* @notice Allow passing a signed message to approve spending
* @dev implements the permit function as for
* https://github.com/ethereum/EIPs/blob/8a34d644aacf0f9f8f00815307fd7dd5da07655f/EIPS/eip-2612.md
* @param owner The owner of the funds
* @param spender The spender
* @param value The amount
* @param deadline The deadline timestamp, type(uint256).max for max deadline
* @param v Signature param
* @param s Signature param
* @param r Signature param
*/
function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s)
external;
/**
* @notice Returns the address of the underlying asset of this yToken (E.g. WETH for aWETH)
* @return The address of the underlying asset
*/
function UNDERLYING_ASSET_ADDRESS() external view returns (address);
/**
* @notice Returns the address of the YLDR treasury, receiving the fees on this yToken.
* @return Address of the YLDR treasury
*/
function RESERVE_TREASURY_ADDRESS() external view returns (address);
/**
* @notice Get the domain separator for the token
* @dev Return cached value if chainId matches cache, otherwise recomputes separator
* @return The domain separator of the token at current chain
*/
function DOMAIN_SEPARATOR() external view returns (bytes32);
/**
* @notice Returns the nonce for owner.
* @param owner The address of the owner
* @return The nonce of the owner
*/
function nonces(address owner) external view returns (uint256);
/**
* @notice Rescue and transfer tokens locked in this contract
* @param token The address of the token
* @param to The address of the recipient
* @param amount The amount of token to transfer
*/
function rescueTokens(address token, address to, uint256 amount) external;
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
import {IScaledBalanceToken} from "./IScaledBalanceToken.sol";
import {IInitializableDebtToken} from "./IInitializableDebtToken.sol";
/**
* @title IVariableDebtToken
*
* @notice Defines the basic interface for a variable debt token.
*/
interface IVariableDebtToken is IScaledBalanceToken, IInitializableDebtToken {
/**
* @notice Mints debt token to the `onBehalfOf` address
* @param user The address receiving the borrowed underlying, being the delegatee in case
* of credit delegate, or same as `onBehalfOf` otherwise
* @param onBehalfOf The address receiving the debt tokens
* @param amount The amount of debt being minted
* @param index The variable debt index of the reserve
* @return True if the previous balance of the user is 0, false otherwise
* @return The scaled total debt of the reserve
*/
function mint(address user, address onBehalfOf, uint256 amount, uint256 index) external returns (bool, uint256);
/**
* @notice Burns user variable debt
* @dev In some instances, a burn transaction will emit a mint event
* if the amount to burn is less than the interest that the user accrued
* @param from The address from which the debt will be burned
* @param amount The amount getting burned
* @param index The variable debt index of the reserve
* @return The scaled total debt of the reserve
*/
function burn(address from, uint256 amount, uint256 index) external returns (uint256);
/**
* @notice Returns the address of the underlying asset of this debtToken (E.g. WETH for variableDebtWETH)
* @return The address of the underlying asset
*/
function UNDERLYING_ASSET_ADDRESS() external view returns (address);
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.10;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {WadRayMath} from "../libraries/math/WadRayMath.sol";
import {PercentageMath} from "../libraries/math/PercentageMath.sol";
import {DataTypes} from "../libraries/types/DataTypes.sol";
import {Errors} from "../libraries/helpers/Errors.sol";
import {IDefaultInterestRateStrategy} from "../../interfaces/IDefaultInterestRateStrategy.sol";
import {IReserveInterestRateStrategy} from "../../interfaces/IReserveInterestRateStrategy.sol";
import {IPoolAddressesProvider} from "../../interfaces/IPoolAddressesProvider.sol";
/**
* @title DefaultReserveInterestRateStrategy contract
*
* @notice Implements the calculation of the interest rates depending on the reserve state
* @dev The model of interest rate is based on 2 slopes, one before the `OPTIMAL_USAGE_RATIO`
* point of usage and another from that one to 100%.
* - An instance of this same contract, can't be used across different YLDR markets, due to the caching
* of the PoolAddressesProvider
*/
contract DefaultReserveInterestRateStrategy is IDefaultInterestRateStrategy {
using WadRayMath for uint256;
using PercentageMath for uint256;
/// @inheritdoc IDefaultInterestRateStrategy
uint256 public immutable OPTIMAL_USAGE_RATIO;
/// @inheritdoc IDefaultInterestRateStrategy
uint256 public immutable MAX_EXCESS_USAGE_RATIO;
IPoolAddressesProvider public immutable ADDRESSES_PROVIDER;
// Base variable borrow rate when usage rate = 0. Expressed in ray
uint256 internal immutable _baseVariableBorrowRate;
// Slope of the variable interest curve when usage ratio > 0 and <= OPTIMAL_USAGE_RATIO. Expressed in ray
uint256 internal immutable _variableRateSlope1;
// Slope of the variable interest curve when usage ratio > OPTIMAL_USAGE_RATIO. Expressed in ray
uint256 internal immutable _variableRateSlope2;
/**
* @dev Constructor.
* @param provider The address of the PoolAddressesProvider contract
* @param optimalUsageRatio The optimal usage ratio
* @param baseVariableBorrowRate The base variable borrow rate
* @param variableRateSlope1 The variable rate slope below optimal usage ratio
* @param variableRateSlope2 The variable rate slope above optimal usage ratio
*/
constructor(
IPoolAddressesProvider provider,
uint256 optimalUsageRatio,
uint256 baseVariableBorrowRate,
uint256 variableRateSlope1,
uint256 variableRateSlope2
) {
require(WadRayMath.RAY >= optimalUsageRatio, Errors.INVALID_OPTIMAL_USAGE_RATIO);
OPTIMAL_USAGE_RATIO = optimalUsageRatio;
MAX_EXCESS_USAGE_RATIO = WadRayMath.RAY - optimalUsageRatio;
ADDRESSES_PROVIDER = provider;
_baseVariableBorrowRate = baseVariableBorrowRate;
_variableRateSlope1 = variableRateSlope1;
_variableRateSlope2 = variableRateSlope2;
}
/// @inheritdoc IDefaultInterestRateStrategy
function getVariableRateSlope1() external view returns (uint256) {
return _variableRateSlope1;
}
/// @inheritdoc IDefaultInterestRateStrategy
function getVariableRateSlope2() external view returns (uint256) {
return _variableRateSlope2;
}
/// @inheritdoc IDefaultInterestRateStrategy
function getBaseVariableBorrowRate() external view override returns (uint256) {
return _baseVariableBorrowRate;
}
/// @inheritdoc IDefaultInterestRateStrategy
function getMaxVariableBorrowRate() external view override returns (uint256) {
return _baseVariableBorrowRate + _variableRateSlope1 + _variableRateSlope2;
}
struct CalcInterestRatesLocalVars {
uint256 availableLiquidity;
uint256 totalDebt;
uint256 currentVariableBorrowRate;
uint256 currentLiquidityRate;
uint256 borrowUsageRatio;
uint256 supplyUsageRatio;
uint256 availableLiquidityPlusDebt;
}
/// @inheritdoc IReserveInterestRateStrategy
function calculateInterestRates(DataTypes.CalculateInterestRatesParams memory params)
public
view
override
returns (uint256, uint256)
{
CalcInterestRatesLocalVars memory vars;
vars.totalDebt = params.totalVariableDebt;
vars.currentLiquidityRate = 0;
vars.currentVariableBorrowRate = _baseVariableBorrowRate;
if (vars.totalDebt != 0) {
vars.availableLiquidity =
IERC20(params.reserve).balanceOf(params.yToken) + params.liquidityAdded - params.liquidityTaken;
vars.availableLiquidityPlusDebt = vars.availableLiquidity + vars.totalDebt;
vars.borrowUsageRatio = vars.totalDebt.rayDiv(vars.availableLiquidityPlusDebt);
vars.supplyUsageRatio = vars.totalDebt.rayDiv(vars.availableLiquidityPlusDebt);
}
if (vars.borrowUsageRatio > OPTIMAL_USAGE_RATIO) {
uint256 excessBorrowUsageRatio =
(vars.borrowUsageRatio - OPTIMAL_USAGE_RATIO).rayDiv(MAX_EXCESS_USAGE_RATIO);
vars.currentVariableBorrowRate += _variableRateSlope1 + _variableRateSlope2.rayMul(excessBorrowUsageRatio);
} else {
vars.currentVariableBorrowRate +=
_variableRateSlope1.rayMul(vars.borrowUsageRatio).rayDiv(OPTIMAL_USAGE_RATIO);
}
vars.currentLiquidityRate = _getOverallBorrowRate(params.totalVariableDebt, vars.currentVariableBorrowRate)
.rayMul(vars.supplyUsageRatio).percentMul(PercentageMath.PERCENTAGE_FACTOR - params.reserveFactor);
return (vars.currentLiquidityRate, vars.currentVariableBorrowRate);
}
/**
* @dev Calculates the overall borrow rate as the weighted average between the total variable debt and total stable
* debt
* @param totalVariableDebt The total borrowed from the reserve at a variable rate
* @param currentVariableBorrowRate The current variable borrow rate of the reserve
* @return The weighted averaged borrow rate
*/
function _getOverallBorrowRate(uint256 totalVariableDebt, uint256 currentVariableBorrowRate)
internal
pure
returns (uint256)
{
if (totalVariableDebt == 0) return 0;
return currentVariableBorrowRate;
}
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.10;
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ReserveConfiguration} from "../protocol/libraries/configuration/ReserveConfiguration.sol";
import {UserConfiguration} from "../protocol/libraries/configuration/UserConfiguration.sol";
import {DataTypes} from "../protocol/libraries/types/DataTypes.sol";
import {WadRayMath} from "../protocol/libraries/math/WadRayMath.sol";
import {IPoolAddressesProvider} from "../interfaces/IPoolAddressesProvider.sol";
import {IVariableDebtToken} from "../interfaces/IVariableDebtToken.sol";
import {IPool} from "../interfaces/IPool.sol";
import {IPoolDataProvider} from "../interfaces/IPoolDataProvider.sol";
/**
* @title YLDRProtocolDataProvider
*
* @notice Peripheral contract to collect and pre-process information from the Pool.
*/
contract YLDRProtocolDataProvider is IPoolDataProvider {
using ReserveConfiguration for DataTypes.ReserveConfigurationMap;
using UserConfiguration for DataTypes.UserConfigurationMap;
using WadRayMath for uint256;
address constant MKR = 0x9f8F72aA9304c8B593d555F12eF6589cC3A579A2;
address constant ETH = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
/// @inheritdoc IPoolDataProvider
IPoolAddressesProvider public immutable ADDRESSES_PROVIDER;
/**
* @notice Constructor
* @param addressesProvider The address of the PoolAddressesProvider contract
*/
constructor(IPoolAddressesProvider addressesProvider) {
ADDRESSES_PROVIDER = addressesProvider;
}
/// @inheritdoc IPoolDataProvider
function getAllReservesTokens() external view override returns (TokenData[] memory) {
IPool pool = IPool(ADDRESSES_PROVIDER.getPool());
address[] memory reserves = pool.getReservesList();
TokenData[] memory reservesTokens = new TokenData[](reserves.length);
for (uint256 i = 0; i < reserves.length; i++) {
if (reserves[i] == MKR) {
reservesTokens[i] = TokenData({symbol: "MKR", tokenAddress: reserves[i]});
continue;
}
if (reserves[i] == ETH) {
reservesTokens[i] = TokenData({symbol: "ETH", tokenAddress: reserves[i]});
continue;
}
reservesTokens[i] = TokenData({symbol: IERC20Metadata(reserves[i]).symbol(), tokenAddress: reserves[i]});
}
return reservesTokens;
}
/// @inheritdoc IPoolDataProvider
function getAllYTokens() external view override returns (TokenData[] memory) {
IPool pool = IPool(ADDRESSES_PROVIDER.getPool());
address[] memory reserves = pool.getReservesList();
TokenData[] memory yTokens = new TokenData[](reserves.length);
for (uint256 i = 0; i < reserves.length; i++) {
DataTypes.ReserveData memory reserveData = pool.getReserveData(reserves[i]);
yTokens[i] = TokenData({
symbol: IERC20Metadata(reserveData.yTokenAddress).symbol(),
tokenAddress: reserveData.yTokenAddress
});
}
return yTokens;
}
/// @inheritdoc IPoolDataProvider
function getReserveConfigurationData(address asset)
external
view
override
returns (
uint256 decimals,
uint256 ltv,
uint256 liquidationThreshold,
uint256 liquidationBonus,
uint256 reserveFactor,
bool usageAsCollateralEnabled,
bool borrowingEnabled,
bool isActive,
bool isFrozen
)
{
DataTypes.ReserveConfigurationMap memory configuration =
IPool(ADDRESSES_PROVIDER.getPool()).getConfiguration(asset);
(ltv, liquidationThreshold, liquidationBonus, decimals, reserveFactor) = configuration.getParams();
(isActive, isFrozen, borrowingEnabled,) = configuration.getFlags();
usageAsCollateralEnabled = liquidationThreshold != 0;
}
/// @inheritdoc IPoolDataProvider
function getReserveCaps(address asset) external view override returns (uint256 borrowCap, uint256 supplyCap) {
(borrowCap, supplyCap) = IPool(ADDRESSES_PROVIDER.getPool()).getConfiguration(asset).getCaps();
}
/// @inheritdoc IPoolDataProvider
function getPaused(address asset) external view override returns (bool isPaused) {
(,,, isPaused) = IPool(ADDRESSES_PROVIDER.getPool()).getConfiguration(asset).getFlags();
}
/// @inheritdoc IPoolDataProvider
function getLiquidationProtocolFee(address asset) external view override returns (uint256) {
return IPool(ADDRESSES_PROVIDER.getPool()).getConfiguration(asset).getLiquidationProtocolFee();
}
/// @inheritdoc IPoolDataProvider
function getReserveData(address asset)
external
view
override
returns (
uint256 accruedToTreasuryScaled,
uint256 totalYToken,
uint256 totalVariableDebt,
uint256 liquidityRate,
uint256 variableBorrowRate,
uint256 liquidityIndex,
uint256 variableBorrowIndex,
uint40 lastUpdateTimestamp
)
{
DataTypes.ReserveData memory reserve = IPool(ADDRESSES_PROVIDER.getPool()).getReserveData(asset);
return (
reserve.accruedToTreasury,
IERC20Metadata(reserve.yTokenAddress).totalSupply(),
IERC20Metadata(reserve.variableDebtTokenAddress).totalSupply(),
reserve.currentLiquidityRate,
reserve.currentVariableBorrowRate,
reserve.liquidityIndex,
reserve.variableBorrowIndex,
reserve.lastUpdateTimestamp
);
}
/// @inheritdoc IPoolDataProvider
function getYTokenTotalSupply(address asset) external view override returns (uint256) {
DataTypes.ReserveData memory reserve = IPool(ADDRESSES_PROVIDER.getPool()).getReserveData(asset);
return IERC20Metadata(reserve.yTokenAddress).totalSupply();
}
/// @inheritdoc IPoolDataProvider
function getTotalDebt(address asset) external view override returns (uint256) {
DataTypes.ReserveData memory reserve = IPool(ADDRESSES_PROVIDER.getPool()).getReserveData(asset);
return IERC20Metadata(reserve.variableDebtTokenAddress).totalSupply();
}
/// @inheritdoc IPoolDataProvider
function getUserReserveData(address asset, address user)
external
view
override
returns (
uint256 currentYTokenBalance,
uint256 currentVariableDebt,
uint256 scaledVariableDebt,
uint256 liquidityRate,
bool usageAsCollateralEnabled
)
{
DataTypes.ReserveData memory reserve = IPool(ADDRESSES_PROVIDER.getPool()).getReserveData(asset);
DataTypes.UserConfigurationMap memory userConfig =
IPool(ADDRESSES_PROVIDER.getPool()).getUserConfiguration(user);
currentYTokenBalance = IERC20Metadata(reserve.yTokenAddress).balanceOf(user);
currentVariableDebt = IERC20Metadata(reserve.variableDebtTokenAddress).balanceOf(user);
scaledVariableDebt = IVariableDebtToken(reserve.variableDebtTokenAddress).scaledBalanceOf(user);
liquidityRate = reserve.currentLiquidityRate;
usageAsCollateralEnabled = userConfig.isUsingAsCollateral(reserve.id);
}
/// @inheritdoc IPoolDataProvider
function getReserveTokensAddresses(address asset)
external
view
override
returns (address yTokenAddress, address variableDebtTokenAddress)
{
DataTypes.ReserveData memory reserve = IPool(ADDRESSES_PROVIDER.getPool()).getReserveData(asset);
return (reserve.yTokenAddress, reserve.variableDebtTokenAddress);
}
/// @inheritdoc IPoolDataProvider
function getInterestRateStrategyAddress(address asset) external view override returns (address irStrategyAddress) {
DataTypes.ReserveData memory reserve = IPool(ADDRESSES_PROVIDER.getPool()).getReserveData(asset);
return (reserve.interestRateStrategyAddress);
}
/// @inheritdoc IPoolDataProvider
function getFlashLoanEnabled(address asset) external view override returns (bool) {
DataTypes.ReserveConfigurationMap memory configuration =
IPool(ADDRESSES_PROVIDER.getPool()).getConfiguration(asset);
return configuration.getFlashLoanEnabled();
}
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
/**
* @title WadRayMath library
*
* @notice Provides functions to perform calculations with Wad and Ray units
* @dev Provides mul and div function for wads (decimal numbers with 18 digits of precision) and rays (decimal numbers
* with 27 digits of precision)
* @dev Operations are rounded. If a value is >=.5, will be rounded up, otherwise rounded down.
*/
library WadRayMath {
// HALF_WAD and HALF_RAY expressed with extended notation as constant with operations are not supported in Yul assembly
uint256 internal constant WAD = 1e18;
uint256 internal constant HALF_WAD = 0.5e18;
uint256 internal constant RAY = 1e27;
uint256 internal constant HALF_RAY = 0.5e27;
uint256 internal constant WAD_RAY_RATIO = 1e9;
/**
* @dev Multiplies two wad, rounding half up to the nearest wad
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param a Wad
* @param b Wad
* @return c = a*b, in wad
*/
function wadMul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// to avoid overflow, a <= (type(uint256).max - HALF_WAD) / b
assembly {
if iszero(or(iszero(b), iszero(gt(a, div(sub(not(0), HALF_WAD), b))))) { revert(0, 0) }
c := div(add(mul(a, b), HALF_WAD), WAD)
}
}
/**
* @dev Divides two wad, rounding half up to the nearest wad
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param a Wad
* @param b Wad
* @return c = a/b, in wad
*/
function wadDiv(uint256 a, uint256 b) internal pure returns (uint256 c) {
// to avoid overflow, a <= (type(uint256).max - halfB) / WAD
assembly {
if or(iszero(b), iszero(iszero(gt(a, div(sub(not(0), div(b, 2)), WAD))))) { revert(0, 0) }
c := div(add(mul(a, WAD), div(b, 2)), b)
}
}
/**
* @notice Multiplies two ray, rounding half up to the nearest ray
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param a Ray
* @param b Ray
* @return c = a raymul b
*/
function rayMul(uint256 a, uint256 b) internal pure returns (uint256 c) {
// to avoid overflow, a <= (type(uint256).max - HALF_RAY) / b
assembly {
if iszero(or(iszero(b), iszero(gt(a, div(sub(not(0), HALF_RAY), b))))) { revert(0, 0) }
c := div(add(mul(a, b), HALF_RAY), RAY)
}
}
/**
* @notice Divides two ray, rounding half up to the nearest ray
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param a Ray
* @param b Ray
* @return c = a raydiv b
*/
function rayDiv(uint256 a, uint256 b) internal pure returns (uint256 c) {
// to avoid overflow, a <= (type(uint256).max - halfB) / RAY
assembly {
if or(iszero(b), iszero(iszero(gt(a, div(sub(not(0), div(b, 2)), RAY))))) { revert(0, 0) }
c := div(add(mul(a, RAY), div(b, 2)), b)
}
}
/**
* @dev Casts ray down to wad
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param a Ray
* @return b = a converted to wad, rounded half up to the nearest wad
*/
function rayToWad(uint256 a) internal pure returns (uint256 b) {
assembly {
b := div(a, WAD_RAY_RATIO)
let remainder := mod(a, WAD_RAY_RATIO)
if iszero(lt(remainder, div(WAD_RAY_RATIO, 2))) { b := add(b, 1) }
}
}
/**
* @dev Converts wad up to ray
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param a Wad
* @return b = a converted in ray
*/
function wadToRay(uint256 a) internal pure returns (uint256 b) {
// to avoid overflow, b/WAD_RAY_RATIO == a
assembly {
b := mul(a, WAD_RAY_RATIO)
if iszero(eq(div(b, WAD_RAY_RATIO), a)) { revert(0, 0) }
}
}
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
import {Errors} from "../helpers/Errors.sol";
import {DataTypes} from "../types/DataTypes.sol";
/**
* @title ReserveConfiguration library
*
* @notice Implements the bitmap logic to handle the reserve configuration
*/
library ReserveConfiguration {
uint256 internal constant LTV_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000; // prettier-ignore
uint256 internal constant LIQUIDATION_THRESHOLD_MASK =
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFF; // prettier-ignore
uint256 internal constant LIQUIDATION_BONUS_MASK =
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFF; // prettier-ignore
uint256 internal constant DECIMALS_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFF; // prettier-ignore
uint256 internal constant ACTIVE_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant FROZEN_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant BORROWING_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant PAUSED_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant BORROWABLE_IN_ISOLATION_MASK =
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant FLASHLOAN_ENABLED_MASK =
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant RESERVE_FACTOR_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant BORROW_CAP_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant SUPPLY_CAP_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant LIQUIDATION_PROTOCOL_FEE_MASK =
0xFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
uint256 internal constant DEBT_CEILING_MASK = 0xF0000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
/// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed
uint256 internal constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16;
uint256 internal constant LIQUIDATION_BONUS_START_BIT_POSITION = 32;
uint256 internal constant RESERVE_DECIMALS_START_BIT_POSITION = 48;
uint256 internal constant IS_ACTIVE_START_BIT_POSITION = 56;
uint256 internal constant IS_FROZEN_START_BIT_POSITION = 57;
uint256 internal constant BORROWING_ENABLED_START_BIT_POSITION = 58;
uint256 internal constant IS_PAUSED_START_BIT_POSITION = 60;
uint256 internal constant BORROWABLE_IN_ISOLATION_START_BIT_POSITION = 61;
uint256 internal constant FLASHLOAN_ENABLED_START_BIT_POSITION = 63;
uint256 internal constant RESERVE_FACTOR_START_BIT_POSITION = 64;
uint256 internal constant BORROW_CAP_START_BIT_POSITION = 80;
uint256 internal constant SUPPLY_CAP_START_BIT_POSITION = 116;
uint256 internal constant LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION = 152;
uint256 internal constant DEBT_CEILING_START_BIT_POSITION = 212;
uint256 internal constant MAX_VALID_LTV = 65535;
uint256 internal constant MAX_VALID_LIQUIDATION_THRESHOLD = 65535;
uint256 internal constant MAX_VALID_LIQUIDATION_BONUS = 65535;
uint256 internal constant MAX_VALID_DECIMALS = 255;
uint256 internal constant MAX_VALID_RESERVE_FACTOR = 65535;
uint256 internal constant MAX_VALID_BORROW_CAP = 68719476735;
uint256 internal constant MAX_VALID_SUPPLY_CAP = 68719476735;
uint256 internal constant MAX_VALID_LIQUIDATION_PROTOCOL_FEE = 65535;
uint256 internal constant MAX_VALID_DEBT_CEILING = 1099511627775;
uint256 public constant DEBT_CEILING_DECIMALS = 2;
uint16 public constant MAX_RESERVES_COUNT = 128;
/**
* @notice Sets the Loan to Value of the reserve
* @param self The reserve configuration
* @param ltv The new ltv
*/
function setLtv(DataTypes.ReserveConfigurationMap memory self, uint256 ltv) internal pure {
require(ltv <= MAX_VALID_LTV, Errors.INVALID_LTV);
self.data = (self.data & LTV_MASK) | ltv;
}
/**
* @notice Gets the Loan to Value of the reserve
* @param self The reserve configuration
* @return The loan to value
*/
function getLtv(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) {
return self.data & ~LTV_MASK;
}
/**
* @notice Sets the liquidation threshold of the reserve
* @param self The reserve configuration
* @param threshold The new liquidation threshold
*/
function setLiquidationThreshold(DataTypes.ReserveConfigurationMap memory self, uint256 threshold) internal pure {
require(threshold <= MAX_VALID_LIQUIDATION_THRESHOLD, Errors.INVALID_LIQ_THRESHOLD);
self.data = (self.data & LIQUIDATION_THRESHOLD_MASK) | (threshold << LIQUIDATION_THRESHOLD_START_BIT_POSITION);
}
/**
* @notice Gets the liquidation threshold of the reserve
* @param self The reserve configuration
* @return The liquidation threshold
*/
function getLiquidationThreshold(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) {
return (self.data & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION;
}
/**
* @notice Sets the liquidation bonus of the reserve
* @param self The reserve configuration
* @param bonus The new liquidation bonus
*/
function setLiquidationBonus(DataTypes.ReserveConfigurationMap memory self, uint256 bonus) internal pure {
require(bonus <= MAX_VALID_LIQUIDATION_BONUS, Errors.INVALID_LIQ_BONUS);
self.data = (self.data & LIQUIDATION_BONUS_MASK) | (bonus << LIQUIDATION_BONUS_START_BIT_POSITION);
}
/**
* @notice Gets the liquidation bonus of the reserve
* @param self The reserve configuration
* @return The liquidation bonus
*/
function getLiquidationBonus(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) {
return (self.data & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION;
}
/**
* @notice Sets the decimals of the underlying asset of the reserve
* @param self The reserve configuration
* @param decimals The decimals
*/
function setDecimals(DataTypes.ReserveConfigurationMap memory self, uint256 decimals) internal pure {
require(decimals <= MAX_VALID_DECIMALS, Errors.INVALID_DECIMALS);
self.data = (self.data & DECIMALS_MASK) | (decimals << RESERVE_DECIMALS_START_BIT_POSITION);
}
/**
* @notice Gets the decimals of the underlying asset of the reserve
* @param self The reserve configuration
* @return The decimals of the asset
*/
function getDecimals(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) {
return (self.data & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION;
}
/**
* @notice Sets the active state of the reserve
* @param self The reserve configuration
* @param active The active state
*/
function setActive(DataTypes.ReserveConfigurationMap memory self, bool active) internal pure {
self.data = (self.data & ACTIVE_MASK) | (uint256(active ? 1 : 0) << IS_ACTIVE_START_BIT_POSITION);
}
/**
* @notice Gets the active state of the reserve
* @param self The reserve configuration
* @return The active state
*/
function getActive(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) {
return (self.data & ~ACTIVE_MASK) != 0;
}
/**
* @notice Sets the frozen state of the reserve
* @param self The reserve configuration
* @param frozen The frozen state
*/
function setFrozen(DataTypes.ReserveConfigurationMap memory self, bool frozen) internal pure {
self.data = (self.data & FROZEN_MASK) | (uint256(frozen ? 1 : 0) << IS_FROZEN_START_BIT_POSITION);
}
/**
* @notice Gets the frozen state of the reserve
* @param self The reserve configuration
* @return The frozen state
*/
function getFrozen(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) {
return (self.data & ~FROZEN_MASK) != 0;
}
/**
* @notice Sets the paused state of the reserve
* @param self The reserve configuration
* @param paused The paused state
*/
function setPaused(DataTypes.ReserveConfigurationMap memory self, bool paused) internal pure {
self.data = (self.data & PAUSED_MASK) | (uint256(paused ? 1 : 0) << IS_PAUSED_START_BIT_POSITION);
}
/**
* @notice Gets the paused state of the reserve
* @param self The reserve configuration
* @return The paused state
*/
function getPaused(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) {
return (self.data & ~PAUSED_MASK) != 0;
}
/**
* @notice Enables or disables borrowing on the reserve
* @param self The reserve configuration
* @param enabled True if the borrowing needs to be enabled, false otherwise
*/
function setBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self, bool enabled) internal pure {
self.data = (self.data & BORROWING_MASK) | (uint256(enabled ? 1 : 0) << BORROWING_ENABLED_START_BIT_POSITION);
}
/**
* @notice Gets the borrowing state of the reserve
* @param self The reserve configuration
* @return The borrowing state
*/
function getBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) {
return (self.data & ~BORROWING_MASK) != 0;
}
/**
* @notice Sets the reserve factor of the reserve
* @param self The reserve configuration
* @param reserveFactor The reserve factor
*/
function setReserveFactor(DataTypes.ReserveConfigurationMap memory self, uint256 reserveFactor) internal pure {
require(reserveFactor <= MAX_VALID_RESERVE_FACTOR, Errors.INVALID_RESERVE_FACTOR);
self.data = (self.data & RESERVE_FACTOR_MASK) | (reserveFactor << RESERVE_FACTOR_START_BIT_POSITION);
}
/**
* @notice Gets the reserve factor of the reserve
* @param self The reserve configuration
* @return The reserve factor
*/
function getReserveFactor(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) {
return (self.data & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION;
}
/**
* @notice Sets the borrow cap of the reserve
* @param self The reserve configuration
* @param borrowCap The borrow cap
*/
function setBorrowCap(DataTypes.ReserveConfigurationMap memory self, uint256 borrowCap) internal pure {
require(borrowCap <= MAX_VALID_BORROW_CAP, Errors.INVALID_BORROW_CAP);
self.data = (self.data & BORROW_CAP_MASK) | (borrowCap << BORROW_CAP_START_BIT_POSITION);
}
/**
* @notice Gets the borrow cap of the reserve
* @param self The reserve configuration
* @return The borrow cap
*/
function getBorrowCap(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) {
return (self.data & ~BORROW_CAP_MASK) >> BORROW_CAP_START_BIT_POSITION;
}
/**
* @notice Sets the supply cap of the reserve
* @param self The reserve configuration
* @param supplyCap The supply cap
*/
function setSupplyCap(DataTypes.ReserveConfigurationMap memory self, uint256 supplyCap) internal pure {
require(supplyCap <= MAX_VALID_SUPPLY_CAP, Errors.INVALID_SUPPLY_CAP);
self.data = (self.data & SUPPLY_CAP_MASK) | (supplyCap << SUPPLY_CAP_START_BIT_POSITION);
}
/**
* @notice Gets the supply cap of the reserve
* @param self The reserve configuration
* @return The supply cap
*/
function getSupplyCap(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) {
return (self.data & ~SUPPLY_CAP_MASK) >> SUPPLY_CAP_START_BIT_POSITION;
}
/**
* @notice Sets the liquidation protocol fee of the reserve
* @param self The reserve configuration
* @param liquidationProtocolFee The liquidation protocol fee
*/
function setLiquidationProtocolFee(DataTypes.ReserveConfigurationMap memory self, uint256 liquidationProtocolFee)
internal
pure
{
require(liquidationProtocolFee <= MAX_VALID_LIQUIDATION_PROTOCOL_FEE, Errors.INVALID_LIQUIDATION_PROTOCOL_FEE);
self.data = (self.data & LIQUIDATION_PROTOCOL_FEE_MASK)
| (liquidationProtocolFee << LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION);
}
/**
* @dev Gets the liquidation protocol fee
* @param self The reserve configuration
* @return The liquidation protocol fee
*/
function getLiquidationProtocolFee(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) {
return (self.data & ~LIQUIDATION_PROTOCOL_FEE_MASK) >> LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION;
}
/**
* @notice Sets the flashloanable flag for the reserve
* @param self The reserve configuration
* @param flashLoanEnabled True if the asset is flashloanable, false otherwise
*/
function setFlashLoanEnabled(DataTypes.ReserveConfigurationMap memory self, bool flashLoanEnabled) internal pure {
self.data = (self.data & FLASHLOAN_ENABLED_MASK)
| (uint256(flashLoanEnabled ? 1 : 0) << FLASHLOAN_ENABLED_START_BIT_POSITION);
}
/**
* @notice Gets the flashloanable flag for the reserve
* @param self The reserve configuration
* @return The flashloanable flag
*/
function getFlashLoanEnabled(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) {
return (self.data & ~FLASHLOAN_ENABLED_MASK) != 0;
}
/**
* @notice Gets the configuration flags of the reserve
* @param self The reserve configuration
* @return The state flag representing active
* @return The state flag representing frozen
* @return The state flag representing borrowing enabled
* @return The state flag representing paused
*/
function getFlags(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool, bool, bool, bool) {
uint256 dataLocal = self.data;
return (
(dataLocal & ~ACTIVE_MASK) != 0,
(dataLocal & ~FROZEN_MASK) != 0,
(dataLocal & ~BORROWING_MASK) != 0,
(dataLocal & ~PAUSED_MASK) != 0
);
}
/**
* @notice Gets the configuration parameters of the reserve from storage
* @param self The reserve configuration
* @return The state param representing ltv
* @return The state param representing liquidation threshold
* @return The state param representing liquidation bonus
* @return The state param representing reserve decimals
* @return The state param representing reserve factor
*/
function getParams(DataTypes.ReserveConfigurationMap memory self)
internal
pure
returns (uint256, uint256, uint256, uint256, uint256)
{
uint256 dataLocal = self.data;
return (
dataLocal & ~LTV_MASK,
(dataLocal & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION,
(dataLocal & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION,
(dataLocal & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION,
(dataLocal & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION
);
}
/**
* @notice Gets the caps parameters of the reserve from storage
* @param self The reserve configuration
* @return The state param representing borrow cap
* @return The state param representing supply cap.
*/
function getCaps(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256, uint256) {
uint256 dataLocal = self.data;
return (
(dataLocal & ~BORROW_CAP_MASK) >> BORROW_CAP_START_BIT_POSITION,
(dataLocal & ~SUPPLY_CAP_MASK) >> SUPPLY_CAP_START_BIT_POSITION
);
}
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
import {Errors} from "../helpers/Errors.sol";
import {DataTypes} from "../types/DataTypes.sol";
import {ReserveConfiguration} from "./ReserveConfiguration.sol";
/**
* @title UserConfiguration library
*
* @notice Implements the bitmap logic to handle the user configuration
*/
library UserConfiguration {
using ReserveConfiguration for DataTypes.ReserveConfigurationMap;
uint256 internal constant BORROWING_MASK = 0x5555555555555555555555555555555555555555555555555555555555555555;
uint256 internal constant COLLATERAL_MASK = 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;
/**
* @notice Sets if the user is borrowing the reserve identified by reserveIndex
* @param self The configuration object
* @param reserveIndex The index of the reserve in the bitmap
* @param borrowing True if the user is borrowing the reserve, false otherwise
*/
function setBorrowing(DataTypes.UserConfigurationMap storage self, uint256 reserveIndex, bool borrowing) internal {
unchecked {
require(reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT, Errors.INVALID_RESERVE_INDEX);
uint256 bit = 1 << (reserveIndex << 1);
if (borrowing) {
self.data |= bit;
} else {
self.data &= ~bit;
}
}
}
/**
* @notice Sets if the user is using as collateral the reserve identified by reserveIndex
* @param self The configuration object
* @param reserveIndex The index of the reserve in the bitmap
* @param usingAsCollateral True if the user is using the reserve as collateral, false otherwise
*/
function setUsingAsCollateral(
DataTypes.UserConfigurationMap storage self,
uint256 reserveIndex,
bool usingAsCollateral
) internal {
unchecked {
require(reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT, Errors.INVALID_RESERVE_INDEX);
uint256 bit = 1 << ((reserveIndex << 1) + 1);
if (usingAsCollateral) {
self.data |= bit;
} else {
self.data &= ~bit;
}
}
}
/**
* @notice Returns if a user has been using the reserve for borrowing or as collateral
* @param self The configuration object
* @param reserveIndex The index of the reserve in the bitmap
* @return True if the user has been using a reserve for borrowing or as collateral, false otherwise
*/
function isUsingAsCollateralOrBorrowing(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex)
internal
pure
returns (bool)
{
unchecked {
require(reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT, Errors.INVALID_RESERVE_INDEX);
return (self.data >> (reserveIndex << 1)) & 3 != 0;
}
}
/**
* @notice Validate a user has been using the reserve for borrowing
* @param self The configuration object
* @param reserveIndex The index of the reserve in the bitmap
* @return True if the user has been using a reserve for borrowing, false otherwise
*/
function isBorrowing(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex)
internal
pure
returns (bool)
{
unchecked {
require(reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT, Errors.INVALID_RESERVE_INDEX);
return (self.data >> (reserveIndex << 1)) & 1 != 0;
}
}
/**
* @notice Validate a user has been using the reserve as collateral
* @param self The configuration object
* @param reserveIndex The index of the reserve in the bitmap
* @return True if the user has been using a reserve as collateral, false otherwise
*/
function isUsingAsCollateral(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex)
internal
pure
returns (bool)
{
unchecked {
require(reserveIndex < ReserveConfiguration.MAX_RESERVES_COUNT, Errors.INVALID_RESERVE_INDEX);
return (self.data >> ((reserveIndex << 1) + 1)) & 1 != 0;
}
}
/**
* @notice Checks if a user has been supplying only one reserve as collateral
* @dev this uses a simple trick - if a number is a power of two (only one bit set) then n & (n - 1) == 0
* @param self The configuration object
* @return True if the user has been supplying as collateral one reserve, false otherwise
*/
function isUsingAsCollateralOne(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) {
uint256 collateralData = self.data & COLLATERAL_MASK;
return collateralData != 0 && (collateralData & (collateralData - 1) == 0);
}
/**
* @notice Checks if a user has been supplying any reserve as collateral
* @param self The configuration object
* @return True if the user has been supplying as collateral any reserve, false otherwise
*/
function isUsingAsCollateralAny(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) {
return self.data & COLLATERAL_MASK != 0;
}
/**
* @notice Checks if a user has been borrowing only one asset
* @dev this uses a simple trick - if a number is a power of two (only one bit set) then n & (n - 1) == 0
* @param self The configuration object
* @return True if the user has been supplying as collateral one reserve, false otherwise
*/
function isBorrowingOne(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) {
uint256 borrowingData = self.data & BORROWING_MASK;
return borrowingData != 0 && (borrowingData & (borrowingData - 1) == 0);
}
/**
* @notice Checks if a user has been borrowing from any reserve
* @param self The configuration object
* @return True if the user has been borrowing any reserve, false otherwise
*/
function isBorrowingAny(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) {
return self.data & BORROWING_MASK != 0;
}
/**
* @notice Checks if a user has not been using any reserve for borrowing or supply
* @param self The configuration object
* @return True if the user has not been borrowing or supplying any reserve, false otherwise
*/
function isEmpty(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) {
return self.data == 0;
}
/**
* @notice Returns the address of the first asset flagged in the bitmap given the corresponding bitmask
* @param self The configuration object
* @return The index of the first asset flagged in the bitmap once the corresponding mask is applied
*/
function _getFirstAssetIdByMask(DataTypes.UserConfigurationMap memory self, uint256 mask)
internal
pure
returns (uint256)
{
unchecked {
uint256 bitmapData = self.data & mask;
uint256 firstAssetPosition = bitmapData & ~(bitmapData - 1);
uint256 id;
while ((firstAssetPosition >>= 2) != 0) {
id += 1;
}
return id;
}
}
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
library DataTypes {
struct ReserveData {
//stores the reserve configuration
ReserveConfigurationMap configuration;
//the liquidity index. Expressed in ray
uint128 liquidityIndex;
//the current supply rate. Expressed in ray
uint128 currentLiquidityRate;
//variable borrow index. Expressed in ray
uint128 variableBorrowIndex;
//the current variable borrow rate. Expressed in ray
uint128 currentVariableBorrowRate;
//timestamp of last update
uint40 lastUpdateTimestamp;
//the id of the reserve. Represents the position in the list of the active reserves
uint16 id;
//yToken address
address yTokenAddress;
//variableDebtToken address
address variableDebtTokenAddress;
//address of the interest rate strategy
address interestRateStrategyAddress;
//the current treasury balance, scaled
uint128 accruedToTreasury;
}
struct ReserveConfigurationMap {
//bit 0-15: LTV
//bit 16-31: Liq. threshold
//bit 32-47: Liq. bonus
//bit 48-55: Decimals
//bit 56: reserve is active
//bit 57: reserve is frozen
//bit 58: borrowing is enabled
//bit 59: stable rate borrowing enabled
//bit 60: asset is paused
//bit 61: borrowing in isolation mode is enabled
//bit 62: siloed borrowing enabled
//bit 63: flashloaning enabled
//bit 64-79: reserve factor
//bit 80-115 borrow cap in whole tokens, borrowCap == 0 => no cap
//bit 116-151 supply cap in whole tokens, supplyCap == 0 => no cap
//bit 152-167 liquidation protocol fee
//bit 168-175 eMode category
//bit 176-211 unbacked mint cap in whole tokens, unbackedMintCap == 0 => minting disabled
//bit 212-251 debt ceiling for isolation mode with (ReserveConfiguration::DEBT_CEILING_DECIMALS) decimals
//bit 252-255 unused
uint256 data;
}
struct ERC1155ReserveData {
address nTokenAddress;
address configurationProvider;
uint256 liquidationProtocolFee;
}
struct ERC1155ReserveConfiguration {
bool isActive;
bool isFrozen;
bool isPaused;
uint256 ltv;
uint256 liquidationThreshold;
uint256 liquidationBonus;
}
struct UserConfigurationMap {
/**
* @dev Bitmap of the users collaterals and borrows. It is divided in pairs of bits, one pair per asset.
* The first bit indicates if an asset is used as collateral by the user, the second whether an
* asset is borrowed by the user.
*/
uint256 data;
}
struct ERC1155ReserveUsageData {
address asset;
uint256 tokenId;
}
struct UserERC1155ConfigurationMap {
// List of ERC1155 reserves used by user
ERC1155ReserveUsageData[] usedERC1155Reserves;
// Mapping matching given asset and tokenId to index in usedERC1155Reserves array + 1
// Index 0 is used for not used reserves
mapping(address asset => mapping(uint256 tokenId => uint256 indexPlus1)) usedERC1155ReservesMap;
}
struct ReserveCache {
uint256 currScaledVariableDebt;
uint256 nextScaledVariableDebt;
uint256 currLiquidityIndex;
uint256 nextLiquidityIndex;
uint256 currVariableBorrowIndex;
uint256 nextVariableBorrowIndex;
uint256 currLiquidityRate;
uint256 currVariableBorrowRate;
uint256 reserveFactor;
ReserveConfigurationMap reserveConfiguration;
address yTokenAddress;
address variableDebtTokenAddress;
uint40 reserveLastUpdateTimestamp;
}
struct ExecuteLiquidationCallParams {
uint256 reservesCount;
uint256 debtToCover;
address collateralAsset;
address debtAsset;
address user;
bool receiveYToken;
address priceOracle;
address priceOracleSentinel;
}
struct ExecuteERC1155LiquidationCallParams {
uint256 reservesCount;
uint256 debtToCover;
address collateralAsset;
uint256 collateralTokenId;
address debtAsset;
address user;
bool receiveNToken;
address priceOracle;
address priceOracleSentinel;
uint256 maxERC1155CollateralReserves;
}
struct ExecuteSupplyParams {
address asset;
uint256 amount;
address onBehalfOf;
uint16 referralCode;
}
struct ExecuteSupplyERC1155Params {
address asset;
uint256 tokenId;
uint256 amount;
address onBehalfOf;
uint16 referralCode;
uint256 maxERC1155CollateralReserves;
}
struct ExecuteBorrowParams {
address asset;
address user;
address onBehalfOf;
uint256 amount;
uint16 referralCode;
bool releaseUnderlying;
uint256 reservesCount;
address oracle;
address priceOracleSentinel;
}
struct ExecuteRepayParams {
address asset;
uint256 amount;
address onBehalfOf;
bool useYTokens;
}
struct ExecuteWithdrawParams {
address asset;
uint256 amount;
address to;
uint256 reservesCount;
address oracle;
}
struct ExecuteWithdrawERC1155Params {
address asset;
uint256 tokenId;
uint256 amount;
address to;
uint256 reservesCount;
address oracle;
}
struct FinalizeTransferParams {
address asset;
address from;
address to;
uint256 amount;
uint256 balanceFromBefore;
uint256 balanceToBefore;
uint256 reservesCount;
address oracle;
}
struct FinalizeERC1155TransferParams {
address asset;
address from;
address to;
uint256[] ids;
uint256[] amounts;
uint256 reservesCount;
address oracle;
uint256 maxERC1155CollateralReserves;
}
struct FlashloanParams {
address receiverAddress;
address[] assets;
uint256[] amounts;
bool[] createPosition;
address onBehalfOf;
bytes params;
uint16 referralCode;
uint256 flashLoanPremiumToProtocol;
uint256 flashLoanPremiumTotal;
uint256 reservesCount;
address addressesProvider;
bool isAuthorizedFlashBorrower;
}
struct FlashloanSimpleParams {
address receiverAddress;
address asset;
uint256 amount;
bytes params;
uint16 referralCode;
uint256 flashLoanPremiumToProtocol;
uint256 flashLoanPremiumTotal;
}
struct FlashLoanRepaymentParams {
uint256 amount;
uint256 totalPremium;
uint256 flashLoanPremiumToProtocol;
address asset;
address receiverAddress;
uint16 referralCode;
}
struct CalculateUserAccountDataParams {
UserConfigurationMap userConfig;
uint256 reservesCount;
address user;
address oracle;
}
struct ValidateBorrowParams {
ReserveCache reserveCache;
UserConfigurationMap userConfig;
address asset;
address userAddress;
uint256 amount;
uint256 reservesCount;
address oracle;
address priceOracleSentinel;
}
struct ValidateLiquidationCallParams {
ReserveCache debtReserveCache;
uint256 totalDebt;
uint256 healthFactor;
address priceOracleSentinel;
}
struct ValidateERC1155LiquidationCallParams {
address collateralReserveAddress;
uint256 collateralReserveTokenId;
ReserveCache debtReserveCache;
uint256 totalDebt;
uint256 healthFactor;
address priceOracleSentinel;
}
struct ValidateHealthFactorParams {
UserConfigurationMap userConfig;
address user;
uint256 reservesCount;
address oracle;
}
struct CalculateInterestRatesParams {
uint256 liquidityAdded;
uint256 liquidityTaken;
uint256 totalVariableDebt;
uint256 reserveFactor;
address reserve;
address yToken;
}
struct InitReserveParams {
address asset;
address yTokenAddress;
address variableDebtAddress;
address interestRateStrategyAddress;
uint16 reservesCount;
uint16 maxNumberReserves;
}
struct InitERC1155ReserveParams {
address asset;
address nTokenAddress;
address configurationProvider;
}
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.10;
import {IPoolAddressesProvider} from "@yldr-lending/core/src/interfaces/IPoolAddressesProvider.sol";
interface IUIPoolDataProvider {
struct InterestRates {
uint256 variableRateSlope1;
uint256 variableRateSlope2;
uint256 baseVariableBorrowRate;
uint256 optimalUsageRatio;
}
struct AggregatedReserveData {
address underlyingAsset;
string name;
string symbol;
uint256 decimals;
uint256 baseLTVasCollateral;
uint256 reserveLiquidationThreshold;
uint256 reserveLiquidationBonus;
uint256 reserveFactor;
bool usageAsCollateralEnabled;
bool borrowingEnabled;
bool isActive;
bool isFrozen;
bool isPaused;
uint128 liquidityIndex;
uint128 variableBorrowIndex;
uint128 liquidityRate;
uint128 variableBorrowRate;
uint40 lastUpdateTimestamp;
address yTokenAddress;
address variableDebtTokenAddress;
address interestRateStrategyAddress;
uint256 availableLiquidity;
uint256 totalScaledVariableDebt;
uint256 priceInMarketReferenceCurrency;
address priceOracle;
uint256 variableRateSlope1;
uint256 variableRateSlope2;
uint256 baseVariableBorrowRate;
uint256 optimalUsageRatio;
uint128 accruedToTreasury;
bool flashLoanEnabled;
uint256 borrowCap;
uint256 supplyCap;
}
struct UserReserveData {
address underlyingAsset;
uint256 scaledYTokenBalance;
bool usageAsCollateralEnabledOnUser;
uint256 scaledVariableDebt;
}
struct UserERC1155ReserveData {
address asset;
uint256 tokenId;
uint256 balance;
uint256 usdValue;
uint256 ltv;
uint256 liquidationThreshold;
address nTokenAddress;
}
struct BaseCurrencyInfo {
uint256 marketReferenceCurrencyUnit;
int256 marketReferenceCurrencyPriceInUsd;
int256 networkBaseTokenPriceInUsd;
uint8 networkBaseTokenPriceDecimals;
}
function getReservesList(IPoolAddressesProvider provider) external view returns (address[] memory);
function getReservesData(IPoolAddressesProvider provider)
external
view
returns (AggregatedReserveData[] memory, BaseCurrencyInfo memory);
function getUserReservesData(IPoolAddressesProvider provider, address user)
external
view
returns (UserReserveData[] memory, UserERC1155ReserveData[] memory);
}// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.4;
interface IChainlinkAggregatorV3 {
function decimals() external view returns (uint8);
function description() external view returns (string memory);
function version() external view returns (uint256);
// getRoundData and latestRoundData should both raise "No data present"
// if they do not have data to report, instead of returning unset values
// which could be misinterpreted as actual reported values.
function getRoundData(uint80 _roundId)
external
view
returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
function latestRoundData()
external
view
returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}pragma solidity ^0.8.20;
import {DataTypes} from "../protocol/libraries/types/DataTypes.sol";
interface IERC1155ConfigurationProvider {
function getERC1155ReserveConfig(uint256 tokenId)
external
view
returns (DataTypes.ERC1155ReserveConfiguration memory);
}pragma solidity ^0.8.20;
import {IERC1155} from "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
interface IERC1155Supply is IERC1155 {
/**
* @dev Total value of tokens in with a given id.
*/
function totalSupply(uint256 id) external view returns (uint256);
/**
* @dev Total value of tokens.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Indicates whether any token exist with a given id, or not.
*/
function exists(uint256 id) external view returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
/**
* @title IPriceOracleGetter
*
* @notice Interface for the YLDR price oracle.
*/
interface IPriceOracleGetter {
/**
* @notice Returns the base currency address
* @dev Address 0x0 is reserved for USD as base currency.
* @return Returns the base currency address.
*/
function BASE_CURRENCY() external view returns (address);
/**
* @notice Returns the base currency unit
* @dev 1 ether for ETH, 1e8 for USD.
* @return Returns the base currency unit.
*/
function BASE_CURRENCY_UNIT() external view returns (uint256);
/**
* @notice Returns the asset price in the base currency
* @param asset The address of the asset
* @return The price of the asset
*/
function getAssetPrice(address asset) external view returns (uint256);
/**
* @notice Returns the ERC1155 asset price in the base currency
* It returns the price of totalSupply of given tokenId. To calculate partial amount, use price * shares / totalSupply
* @param asset The address of the asset
* @param tokenId The tokenId of the asset
* @return The price of the asset
*/
function getERC1155AssetPrice(address asset, uint256 tokenId) external view returns (uint256);
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
/**
* @title IScaledBalanceToken
*
* @notice Defines the basic interface for a scaled-balance token.
*/
interface IScaledBalanceToken {
/**
* @dev Emitted after the mint action
* @param caller The address performing the mint
* @param onBehalfOf The address of the user that will receive the minted tokens
* @param value The scaled-up amount being minted (based on user entered amount and balance increase from interest)
* @param balanceIncrease The increase in scaled-up balance since the last action of 'onBehalfOf'
* @param index The next liquidity index of the reserve
*/
event Mint(
address indexed caller, address indexed onBehalfOf, uint256 value, uint256 balanceIncrease, uint256 index
);
/**
* @dev Emitted after the burn action
* @dev If the burn function does not involve a transfer of the underlying asset, the target defaults to zero address
* @param from The address from which the tokens will be burned
* @param target The address that will receive the underlying, if any
* @param value The scaled-up amount being burned (user entered amount - balance increase from interest)
* @param balanceIncrease The increase in scaled-up balance since the last action of 'from'
* @param index The next liquidity index of the reserve
*/
event Burn(address indexed from, address indexed target, uint256 value, uint256 balanceIncrease, uint256 index);
/**
* @notice Returns the scaled balance of the user.
* @dev The scaled balance is the sum of all the updated stored balance divided by the reserve's liquidity index
* at the moment of the update
* @param user The user whose balance is calculated
* @return The scaled balance of the user
*/
function scaledBalanceOf(address user) external view returns (uint256);
/**
* @notice Returns the scaled balance of the user and the scaled total supply.
* @param user The address of the user
* @return The scaled balance of the user
* @return The scaled total supply
*/
function getScaledUserBalanceAndSupply(address user) external view returns (uint256, uint256);
/**
* @notice Returns the scaled total supply of the scaled balance token. Represents sum(debt/index)
* @return The scaled total supply
*/
function scaledTotalSupply() external view returns (uint256);
/**
* @notice Returns last index interest was accrued to the user's balance
* @param user The address of the user
* @return The last index interest was accrued to the user's balance, expressed in ray
*/
function getPreviousIndex(address user) external view returns (uint256);
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
import {IPool} from "./IPool.sol";
/**
* @title IInitializableYToken
*
* @notice Interface for the initialize function on YToken
*/
interface IInitializableYToken {
/**
* @dev Emitted when an yToken is initialized
* @param underlyingAsset The address of the underlying asset
* @param pool The address of the associated pool
* @param treasury The address of the treasury
* @param incentivesController The address of the incentives controller for this yToken
* @param yTokenDecimals The decimals of the underlying
* @param yTokenName The name of the yToken
* @param yTokenSymbol The symbol of the yToken
* @param params A set of encoded parameters for additional initialization
*/
event Initialized(
address indexed underlyingAsset,
address indexed pool,
address treasury,
address incentivesController,
uint8 yTokenDecimals,
string yTokenName,
string yTokenSymbol,
bytes params
);
/**
* @notice Initializes yToken
* @param initializingPool The pool contract that is initializing this contract
* @param treasury The address of the YLDR treasury, receiving the fees on this yToken
* @param underlyingAsset The address of the underlying asset of this yToken (E.g. WETH for aWETH)
* @param incentivesController The smart contract managing potential incentives distribution
* @param yTokenDecimals The decimals of the yToken, same as the underlying asset's
* @param yTokenName The name of the yToken
* @param yTokenSymbol The symbol of the yToken
* @param params A set of encoded parameters for additional initialization
*/
function initialize(
IPool initializingPool,
address treasury,
address underlyingAsset,
address incentivesController,
uint8 yTokenDecimals,
string memory yTokenName,
string memory yTokenSymbol,
bytes memory params
) external;
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
import {IPool} from "./IPool.sol";
/**
* @title IInitializableDebtToken
*
* @notice Interface for the initialize function common between debt tokens
*/
interface IInitializableDebtToken {
/**
* @dev Emitted when a debt token is initialized
* @param underlyingAsset The address of the underlying asset
* @param pool The address of the associated pool
* @param incentivesController The address of the incentives controller for this yToken
* @param debtTokenDecimals The decimals of the debt token
* @param debtTokenName The name of the debt token
* @param debtTokenSymbol The symbol of the debt token
* @param params A set of encoded parameters for additional initialization
*/
event Initialized(
address indexed underlyingAsset,
address indexed pool,
address incentivesController,
uint8 debtTokenDecimals,
string debtTokenName,
string debtTokenSymbol,
bytes params
);
/**
* @notice Initializes the debt token.
* @param pool The pool contract that is initializing this contract
* @param underlyingAsset The address of the underlying asset of this yToken (E.g. WETH for aWETH)
* @param incentivesController The smart contract managing potential incentives distribution
* @param debtTokenDecimals The decimals of the debtToken, same as the underlying asset's
* @param debtTokenName The name of the token
* @param debtTokenSymbol The symbol of the token
* @param params A set of encoded parameters for additional initialization
*/
function initialize(
IPool pool,
address underlyingAsset,
address incentivesController,
uint8 debtTokenDecimals,
string memory debtTokenName,
string memory debtTokenSymbol,
bytes calldata params
) external;
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
/**
* @title PercentageMath library
*
* @notice Provides functions to perform percentage calculations
* @dev Percentages are defined by default with 2 decimals of precision (100.00). The precision is indicated by PERCENTAGE_FACTOR
* @dev Operations are rounded. If a value is >=.5, will be rounded up, otherwise rounded down.
*/
library PercentageMath {
// Maximum percentage factor (100.00%)
uint256 internal constant PERCENTAGE_FACTOR = 1e4;
// Half percentage factor (50.00%)
uint256 internal constant HALF_PERCENTAGE_FACTOR = 0.5e4;
/**
* @notice Executes a percentage multiplication
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param value The value of which the percentage needs to be calculated
* @param percentage The percentage of the value to be calculated
* @return result value percentmul percentage
*/
function percentMul(uint256 value, uint256 percentage) internal pure returns (uint256 result) {
// to avoid overflow, value <= (type(uint256).max - HALF_PERCENTAGE_FACTOR) / percentage
assembly {
if iszero(or(iszero(percentage), iszero(gt(value, div(sub(not(0), HALF_PERCENTAGE_FACTOR), percentage))))) {
revert(0, 0)
}
result := div(add(mul(value, percentage), HALF_PERCENTAGE_FACTOR), PERCENTAGE_FACTOR)
}
}
/**
* @notice Executes a percentage division
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param value The value of which the percentage needs to be calculated
* @param percentage The percentage of the value to be calculated
* @return result value percentdiv percentage
*/
function percentDiv(uint256 value, uint256 percentage) internal pure returns (uint256 result) {
// to avoid overflow, value <= (type(uint256).max - halfPercentage) / PERCENTAGE_FACTOR
assembly {
if or(
iszero(percentage), iszero(iszero(gt(value, div(sub(not(0), div(percentage, 2)), PERCENTAGE_FACTOR))))
) { revert(0, 0) }
result := div(add(mul(value, PERCENTAGE_FACTOR), div(percentage, 2)), percentage)
}
}
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
/**
* @title Errors library
*
* @notice Defines the error messages emitted by the different contracts of the YLDR protocol
*/
library Errors {
string public constant CALLER_NOT_POOL_ADMIN = "1"; // 'The caller of the function is not a pool admin'
string public constant CALLER_NOT_EMERGENCY_ADMIN = "2"; // 'The caller of the function is not an emergency admin'
string public constant CALLER_NOT_POOL_OR_EMERGENCY_ADMIN = "3"; // 'The caller of the function is not a pool or emergency admin'
string public constant CALLER_NOT_RISK_OR_POOL_ADMIN = "4"; // 'The caller of the function is not a risk or pool admin'
string public constant CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN = "5"; // 'The caller of the function is not an asset listing or pool admin'
string public constant ADDRESSES_PROVIDER_NOT_REGISTERED = "7"; // 'Pool addresses provider is not registered'
string public constant INVALID_ADDRESSES_PROVIDER_ID = "8"; // 'Invalid id for the pool addresses provider'
string public constant NOT_CONTRACT = "9"; // 'Address is not a contract'
string public constant CALLER_NOT_POOL_CONFIGURATOR = "10"; // 'The caller of the function is not the pool configurator'
string public constant CALLER_NOT_YTOKEN = "11"; // 'The caller of the function is not an YToken'
string public constant INVALID_ADDRESSES_PROVIDER = "12"; // 'The address of the pool addresses provider is invalid'
string public constant INVALID_FLASHLOAN_EXECUTOR_RETURN = "13"; // 'Invalid return value of the flashloan executor function'
string public constant RESERVE_ALREADY_ADDED = "14"; // 'Reserve has already been added to reserve list'
string public constant NO_MORE_RESERVES_ALLOWED = "15"; // 'Maximum amount of reserves in the pool reached'
string public constant RESERVE_LIQUIDITY_NOT_ZERO = "18"; // 'The liquidity of the reserve needs to be 0'
string public constant FLASHLOAN_PREMIUM_INVALID = "19"; // 'Invalid flashloan premium'
string public constant INVALID_RESERVE_PARAMS = "20"; // 'Invalid risk parameters for the reserve'
string public constant CALLER_MUST_BE_POOL = "23"; // 'The caller of this function must be a pool'
string public constant INVALID_MINT_AMOUNT = "24"; // 'Invalid amount to mint'
string public constant INVALID_BURN_AMOUNT = "25"; // 'Invalid amount to burn'
string public constant INVALID_AMOUNT = "26"; // 'Amount must be greater than 0'
string public constant RESERVE_INACTIVE = "27"; // 'Action requires an active reserve'
string public constant RESERVE_FROZEN = "28"; // 'Action cannot be performed because the reserve is frozen'
string public constant RESERVE_PAUSED = "29"; // 'Action cannot be performed because the reserve is paused'
string public constant BORROWING_NOT_ENABLED = "30"; // 'Borrowing is not enabled'
string public constant NOT_ENOUGH_AVAILABLE_USER_BALANCE = "32"; // 'User cannot withdraw more than the available balance'
string public constant INVALID_INTEREST_RATE_MODE_SELECTED = "33"; // 'Invalid interest rate mode selected'
string public constant COLLATERAL_BALANCE_IS_ZERO = "34"; // 'The collateral balance is 0'
string public constant HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD = "35"; // 'Health factor is lesser than the liquidation threshold'
string public constant COLLATERAL_CANNOT_COVER_NEW_BORROW = "36"; // 'There is not enough collateral to cover a new borrow'
string public constant COLLATERAL_SAME_AS_BORROWING_CURRENCY = "37"; // 'Collateral is (mostly) the same currency that is being borrowed'
string public constant NO_DEBT = "39"; // 'For repayment of debt, the user needs to have debt'
string public constant NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF = "40"; // 'To repay on behalf of a user an explicit amount to repay is needed'
string public constant NO_OUTSTANDING_VARIABLE_DEBT = "42"; // 'User does not have outstanding variable rate debt on this reserve'
string public constant UNDERLYING_BALANCE_ZERO = "43"; // 'The underlying balance needs to be greater than 0'
string public constant INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = "44"; // 'Interest rate rebalance conditions were not met'
string public constant HEALTH_FACTOR_NOT_BELOW_THRESHOLD = "45"; // 'Health factor is not below the threshold'
string public constant COLLATERAL_CANNOT_BE_LIQUIDATED = "46"; // 'The collateral chosen cannot be liquidated'
string public constant SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = "47"; // 'User did not borrow the specified currency'
string public constant INCONSISTENT_FLASHLOAN_PARAMS = "49"; // 'Inconsistent flashloan parameters'
string public constant BORROW_CAP_EXCEEDED = "50"; // 'Borrow cap is exceeded'
string public constant SUPPLY_CAP_EXCEEDED = "51"; // 'Supply cap is exceeded'
string public constant DEBT_CEILING_EXCEEDED = "53"; // 'Debt ceiling is exceeded'
string public constant UNDERLYING_CLAIMABLE_RIGHTS_NOT_ZERO = "54"; // 'Claimable rights over underlying not zero (yToken supply or accruedToTreasury)'
string public constant VARIABLE_DEBT_SUPPLY_NOT_ZERO = "56"; // 'Variable debt supply is not zero'
string public constant LTV_VALIDATION_FAILED = "57"; // 'Ltv validation failed'
string public constant PRICE_ORACLE_SENTINEL_CHECK_FAILED = "59"; // 'Price oracle sentinel validation failed'
string public constant RESERVE_ALREADY_INITIALIZED = "61"; // 'Reserve has already been initialized'
string public constant LTV_ZERO = "62"; // 'LTV is zero'
string public constant INVALID_LTV = "63"; // 'Invalid ltv parameter for the reserve'
string public constant INVALID_LIQ_THRESHOLD = "64"; // 'Invalid liquidity threshold parameter for the reserve'
string public constant INVALID_LIQ_BONUS = "65"; // 'Invalid liquidity bonus parameter for the reserve'
string public constant INVALID_DECIMALS = "66"; // 'Invalid decimals parameter of the underlying asset of the reserve'
string public constant INVALID_RESERVE_FACTOR = "67"; // 'Invalid reserve factor parameter for the reserve'
string public constant INVALID_BORROW_CAP = "68"; // 'Invalid borrow cap for the reserve'
string public constant INVALID_SUPPLY_CAP = "69"; // 'Invalid supply cap for the reserve'
string public constant INVALID_LIQUIDATION_PROTOCOL_FEE = "70"; // 'Invalid liquidation protocol fee for the reserve'
string public constant INVALID_DEBT_CEILING = "73"; // 'Invalid debt ceiling for the reserve
string public constant INVALID_RESERVE_INDEX = "74"; // 'Invalid reserve index'
string public constant ACL_ADMIN_CANNOT_BE_ZERO = "75"; // 'ACL admin cannot be set to the zero address'
string public constant INCONSISTENT_PARAMS_LENGTH = "76"; // 'Array parameters that should be equal length are not'
string public constant ZERO_ADDRESS_NOT_VALID = "77"; // 'Zero address not valid'
string public constant INVALID_EXPIRATION = "78"; // 'Invalid expiration'
string public constant INVALID_SIGNATURE = "79"; // 'Invalid signature'
string public constant OPERATION_NOT_SUPPORTED = "80"; // 'Operation not supported'
string public constant DEBT_CEILING_NOT_ZERO = "81"; // 'Debt ceiling is not zero'
string public constant ASSET_NOT_LISTED = "82"; // 'Asset is not listed'
string public constant INVALID_OPTIMAL_USAGE_RATIO = "83"; // 'Invalid optimal usage ratio'
string public constant UNDERLYING_CANNOT_BE_RESCUED = "85"; // 'The underlying asset cannot be rescued'
string public constant ADDRESSES_PROVIDER_ALREADY_ADDED = "86"; // 'Reserve has already been added to reserve list'
string public constant POOL_ADDRESSES_DO_NOT_MATCH = "87"; // 'The token implementation pool address and the pool address provided by the initializing pool do not match'
string public constant RESERVE_DEBT_NOT_ZERO = "90"; // the total debt of the reserve needs to be 0
string public constant FLASHLOAN_DISABLED = "91"; // FlashLoaning for this asset is disabled
string public constant CALLER_NOT_NTOKEN = "92"; // 'The caller of the function is not an NToken'
string public constant ERC1155_RESERVE_CANNOT_BE_USED_AS_COLLATERAL = "93"; // ERC1155 reserve can only be supplied if it can be enabled as collateral
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
import {IReserveInterestRateStrategy} from "./IReserveInterestRateStrategy.sol";
import {IPoolAddressesProvider} from "./IPoolAddressesProvider.sol";
/**
* @title IDefaultInterestRateStrategy
*
* @notice Defines the basic interface of the DefaultReserveInterestRateStrategy
*/
interface IDefaultInterestRateStrategy is IReserveInterestRateStrategy {
/**
* @notice Returns the usage ratio at which the pool aims to obtain most competitive borrow rates.
* @return The optimal usage ratio, expressed in ray.
*/
function OPTIMAL_USAGE_RATIO() external view returns (uint256);
/**
* @notice Returns the excess usage ratio above the optimal.
* @dev It's always equal to 1-optimal usage ratio (added as constant for gas optimizations)
* @return The max excess usage ratio, expressed in ray.
*/
function MAX_EXCESS_USAGE_RATIO() external view returns (uint256);
/**
* @notice Returns the address of the PoolAddressesProvider
* @return The address of the PoolAddressesProvider contract
*/
function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);
/**
* @notice Returns the variable rate slope below optimal usage ratio
* @dev It's the variable rate when usage ratio > 0 and <= OPTIMAL_USAGE_RATIO
* @return The variable rate slope, expressed in ray
*/
function getVariableRateSlope1() external view returns (uint256);
/**
* @notice Returns the variable rate slope above optimal usage ratio
* @dev It's the variable rate when usage ratio > OPTIMAL_USAGE_RATIO
* @return The variable rate slope, expressed in ray
*/
function getVariableRateSlope2() external view returns (uint256);
/**
* @notice Returns the base variable borrow rate
* @return The base variable borrow rate, expressed in ray
*/
function getBaseVariableBorrowRate() external view returns (uint256);
/**
* @notice Returns the maximum variable borrow rate
* @return The maximum variable borrow rate, expressed in ray
*/
function getMaxVariableBorrowRate() external view returns (uint256);
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
import {DataTypes} from "../protocol/libraries/types/DataTypes.sol";
/**
* @title IReserveInterestRateStrategy
*
* @notice Interface for the calculation of the interest rates
*/
interface IReserveInterestRateStrategy {
/**
* @notice Calculates the interest rates depending on the reserve's state and configurations
* @param params The parameters needed to calculate interest rates
* @return liquidityRate The liquidity rate expressed in rays
* @return variableBorrowRate The variable borrow rate expressed in rays
*/
function calculateInterestRates(DataTypes.CalculateInterestRatesParams memory params)
external
view
returns (uint256, uint256);
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;
import {IPoolAddressesProvider} from "./IPoolAddressesProvider.sol";
/**
* @title IPoolDataProvider
*
* @notice Defines the basic interface of a PoolDataProvider
*/
interface IPoolDataProvider {
struct TokenData {
string symbol;
address tokenAddress;
}
/**
* @notice Returns the address for the PoolAddressesProvider contract.
* @return The address for the PoolAddressesProvider contract
*/
function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);
/**
* @notice Returns the list of the existing reserves in the pool.
* @dev Handling MKR and ETH in a different way since they do not have standard `symbol` functions.
* @return The list of reserves, pairs of symbols and addresses
*/
function getAllReservesTokens() external view returns (TokenData[] memory);
/**
* @notice Returns the list of the existing YTokens in the pool.
* @return The list of YTokens, pairs of symbols and addresses
*/
function getAllYTokens() external view returns (TokenData[] memory);
/**
* @notice Returns the configuration data of the reserve
* @dev Not returning borrow and supply caps for compatibility, nor pause flag
* @param asset The address of the underlying asset of the reserve
* @return decimals The number of decimals of the reserve
* @return ltv The ltv of the reserve
* @return liquidationThreshold The liquidationThreshold of the reserve
* @return liquidationBonus The liquidationBonus of the reserve
* @return reserveFactor The reserveFactor of the reserve
* @return usageAsCollateralEnabled True if the usage as collateral is enabled, false otherwise
* @return borrowingEnabled True if borrowing is enabled, false otherwise
* @return isActive True if it is active, false otherwise
* @return isFrozen True if it is frozen, false otherwise
*/
function getReserveConfigurationData(address asset)
external
view
returns (
uint256 decimals,
uint256 ltv,
uint256 liquidationThreshold,
uint256 liquidationBonus,
uint256 reserveFactor,
bool usageAsCollateralEnabled,
bool borrowingEnabled,
bool isActive,
bool isFrozen
);
/**
* @notice Returns the caps parameters of the reserve
* @param asset The address of the underlying asset of the reserve
* @return borrowCap The borrow cap of the reserve
* @return supplyCap The supply cap of the reserve
*/
function getReserveCaps(address asset) external view returns (uint256 borrowCap, uint256 supplyCap);
/**
* @notice Returns if the pool is paused
* @param asset The address of the underlying asset of the reserve
* @return isPaused True if the pool is paused, false otherwise
*/
function getPaused(address asset) external view returns (bool isPaused);
/**
* @notice Returns the protocol fee on the liquidation bonus
* @param asset The address of the underlying asset of the reserve
* @return The protocol fee on liquidation
*/
function getLiquidationProtocolFee(address asset) external view returns (uint256);
/**
* @notice Returns the reserve data
* @param asset The address of the underlying asset of the reserve
* @return accruedToTreasuryScaled The scaled amount of tokens accrued to treasury that is to be minted
* @return totalYToken The total supply of the yToken
* @return totalVariableDebt The total variable debt of the reserve
* @return liquidityRate The liquidity rate of the reserve
* @return variableBorrowRate The variable borrow rate of the reserve
* @return liquidityIndex The liquidity index of the reserve
* @return variableBorrowIndex The variable borrow index of the reserve
* @return lastUpdateTimestamp The timestamp of the last update of the reserve
*/
function getReserveData(address asset)
external
view
returns (
uint256 accruedToTreasuryScaled,
uint256 totalYToken,
uint256 totalVariableDebt,
uint256 liquidityRate,
uint256 variableBorrowRate,
uint256 liquidityIndex,
uint256 variableBorrowIndex,
uint40 lastUpdateTimestamp
);
/**
* @notice Returns the total supply of yTokens for a given asset
* @param asset The address of the underlying asset of the reserve
* @return The total supply of the yToken
*/
function getYTokenTotalSupply(address asset) external view returns (uint256);
/**
* @notice Returns the total debt for a given asset
* @param asset The address of the underlying asset of the reserve
* @return The total debt for asset
*/
function getTotalDebt(address asset) external view returns (uint256);
/**
* @notice Returns the user data in a reserve
* @param asset The address of the underlying asset of the reserve
* @param user The address of the user
* @return currentYTokenBalance The current YToken balance of the user
* @return currentVariableDebt The current variable debt of the user
* @return scaledVariableDebt The scaled variable debt of the user
* @return liquidityRate The liquidity rate of the reserve
* @return usageAsCollateralEnabled True if the user is using the asset as collateral, false
* otherwise
*/
function getUserReserveData(address asset, address user)
external
view
returns (
uint256 currentYTokenBalance,
uint256 currentVariableDebt,
uint256 scaledVariableDebt,
uint256 liquidityRate,
bool usageAsCollateralEnabled
);
/**
* @notice Returns the token addresses of the reserve
* @param asset The address of the underlying asset of the reserve
* @return yTokenAddress The YToken address of the reserve
* @return variableDebtTokenAddress The VariableDebtToken address of the reserve
*/
function getReserveTokensAddresses(address asset)
external
view
returns (address yTokenAddress, address variableDebtTokenAddress);
/**
* @notice Returns the address of the Interest Rate strategy
* @param asset The address of the underlying asset of the reserve
* @return irStrategyAddress The address of the Interest Rate strategy
*/
function getInterestRateStrategyAddress(address asset) external view returns (address irStrategyAddress);
/**
* @notice Returns whether the reserve has FlashLoans enabled or disabled
* @param asset The address of the underlying asset of the reserve
* @return True if FlashLoans are enabled, false otherwise
*/
function getFlashLoanEnabled(address asset) external view returns (bool);
}{
"remappings": [
"@yldr-lending/core/=lib/yldr-lending-core/",
"@aave-v3/core/=lib/aave-v3-core/",
"@openzeppelin/contracts-upgradeable/=lib/yldr-lending-core/lib/openzeppelin-upgradeable/contracts/",
"@openzeppelin/contracts/=lib/yldr-lending-core/lib/openzeppelin/contracts/",
"@uniswap/=lib/yldr-lending-core/lib/uniswap/",
"aave-v3-core/=lib/aave-v3-core/",
"ds-test/=lib/yldr-lending-core/lib/forge-std/lib/ds-test/src/",
"erc4626-tests/=lib/yldr-lending-core/lib/openzeppelin-upgradeable/lib/erc4626-tests/",
"forge-std/=lib/yldr-lending-core/lib/forge-std/src/",
"openzeppelin-contracts/=lib/yldr-lending-core/lib/openzeppelin-upgradeable/lib/openzeppelin-contracts/",
"openzeppelin-upgradeable/=lib/yldr-lending-core/lib/openzeppelin-upgradeable/",
"openzeppelin/=lib/yldr-lending-core/lib/openzeppelin/",
"uniswap/=lib/yldr-lending-core/lib/uniswap/",
"yldr-lending-core/=lib/yldr-lending-core/"
],
"optimizer": {
"enabled": true,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "paris",
"libraries": {}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"contract IChainlinkAggregatorV3","name":"_networkBaseTokenPriceInUsdProxyAggregator","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"contract IPoolAddressesProvider","name":"provider","type":"address"}],"name":"getReservesData","outputs":[{"components":[{"internalType":"address","name":"underlyingAsset","type":"address"},{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"decimals","type":"uint256"},{"internalType":"uint256","name":"baseLTVasCollateral","type":"uint256"},{"internalType":"uint256","name":"reserveLiquidationThreshold","type":"uint256"},{"internalType":"uint256","name":"reserveLiquidationBonus","type":"uint256"},{"internalType":"uint256","name":"reserveFactor","type":"uint256"},{"internalType":"bool","name":"usageAsCollateralEnabled","type":"bool"},{"internalType":"bool","name":"borrowingEnabled","type":"bool"},{"internalType":"bool","name":"isActive","type":"bool"},{"internalType":"bool","name":"isFrozen","type":"bool"},{"internalType":"bool","name":"isPaused","type":"bool"},{"internalType":"uint128","name":"liquidityIndex","type":"uint128"},{"internalType":"uint128","name":"variableBorrowIndex","type":"uint128"},{"internalType":"uint128","name":"liquidityRate","type":"uint128"},{"internalType":"uint128","name":"variableBorrowRate","type":"uint128"},{"internalType":"uint40","name":"lastUpdateTimestamp","type":"uint40"},{"internalType":"address","name":"yTokenAddress","type":"address"},{"internalType":"address","name":"variableDebtTokenAddress","type":"address"},{"internalType":"address","name":"interestRateStrategyAddress","type":"address"},{"internalType":"uint256","name":"availableLiquidity","type":"uint256"},{"internalType":"uint256","name":"totalScaledVariableDebt","type":"uint256"},{"internalType":"uint256","name":"priceInMarketReferenceCurrency","type":"uint256"},{"internalType":"address","name":"priceOracle","type":"address"},{"internalType":"uint256","name":"variableRateSlope1","type":"uint256"},{"internalType":"uint256","name":"variableRateSlope2","type":"uint256"},{"internalType":"uint256","name":"baseVariableBorrowRate","type":"uint256"},{"internalType":"uint256","name":"optimalUsageRatio","type":"uint256"},{"internalType":"uint128","name":"accruedToTreasury","type":"uint128"},{"internalType":"bool","name":"flashLoanEnabled","type":"bool"},{"internalType":"uint256","name":"borrowCap","type":"uint256"},{"internalType":"uint256","name":"supplyCap","type":"uint256"}],"internalType":"struct IUIPoolDataProvider.AggregatedReserveData[]","name":"reservesData","type":"tuple[]"},{"components":[{"internalType":"uint256","name":"marketReferenceCurrencyUnit","type":"uint256"},{"internalType":"int256","name":"marketReferenceCurrencyPriceInUsd","type":"int256"},{"internalType":"int256","name":"networkBaseTokenPriceInUsd","type":"int256"},{"internalType":"uint8","name":"networkBaseTokenPriceDecimals","type":"uint8"}],"internalType":"struct IUIPoolDataProvider.BaseCurrencyInfo","name":"baseCurrencyInfo","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IPoolAddressesProvider","name":"provider","type":"address"}],"name":"getReservesList","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IPoolAddressesProvider","name":"provider","type":"address"},{"internalType":"address","name":"user","type":"address"}],"name":"getUserReservesData","outputs":[{"components":[{"internalType":"address","name":"underlyingAsset","type":"address"},{"internalType":"uint256","name":"scaledYTokenBalance","type":"uint256"},{"internalType":"bool","name":"usageAsCollateralEnabledOnUser","type":"bool"},{"internalType":"uint256","name":"scaledVariableDebt","type":"uint256"}],"internalType":"struct IUIPoolDataProvider.UserReserveData[]","name":"userReservesData","type":"tuple[]"},{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"usdValue","type":"uint256"},{"internalType":"uint256","name":"ltv","type":"uint256"},{"internalType":"uint256","name":"liquidationThreshold","type":"uint256"},{"internalType":"address","name":"nTokenAddress","type":"address"}],"internalType":"struct IUIPoolDataProvider.UserERC1155ReserveData[]","name":"userERC1155ReservesData","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"networkBaseTokenPriceInUsdProxyAggregator","outputs":[{"internalType":"contract IChainlinkAggregatorV3","name":"","type":"address"}],"stateMutability":"view","type":"function"}]Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000639fe6ab55c921f74e7fac1ee960c0b6293ba612
-----Decoded View---------------
Arg [0] : _networkBaseTokenPriceInUsdProxyAggregator (address): 0x639Fe6ab55C921f74e7fac1ee960C0B6293ba612
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000639fe6ab55c921f74e7fac1ee960c0b6293ba612
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0x775f2616557824bbcf2ea619cA2BacaBd930F2BD
Net Worth in USD
$0.00
Net Worth in ETH
0
Multichain Portfolio | 35 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
|---|
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.