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// SPDX-License-Identifier: agpl-3.0 | |
pragma solidity ^0.8.1; | |
/** | |
* @dev This is the Aave V2 DataTypes library. | |
*/ | |
library DataTypes { | |
// refer to the whitepaper, section 1.1 basic concepts for a formal description of these properties. | |
struct ReserveData { | |
//stores the reserve configuration | |
ReserveConfigurationMap configuration; | |
//the liquidity index. Expressed in ray | |
uint128 liquidityIndex; | |
//variable borrow index. Expressed in ray | |
uint128 variableBorrowIndex; | |
//the current supply rate. Expressed in ray | |
uint128 currentLiquidityRate; | |
//the current variable borrow rate. Expressed in ray | |
uint128 currentVariableBorrowRate; | |
//the current stable borrow rate. Expressed in ray | |
uint128 currentStableBorrowRate; | |
uint40 lastUpdateTimestamp; | |
//tokens addresses | |
address aTokenAddress; | |
address stableDebtTokenAddress; | |
address variableDebtTokenAddress; | |
//address of the interest rate strategy | |
address interestRateStrategyAddress; | |
//the id of the reserve. Represents the position in the list of the active reserves | |
uint8 id; | |
} | |
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 60-63: reserved | |
//bit 64-79: reserve factor | |
uint256 data; | |
} | |
struct UserConfigurationMap { | |
uint256 data; | |
} | |
enum InterestRateMode {NONE, STABLE, VARIABLE} | |
} |
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// SPDX-License-Identifier: agpl-3.0 | |
pragma solidity ^0.8.1; | |
import { ILendingPoolAddressesProviderV2 } from './ILendingPoolAddressesProviderV2.sol'; | |
import { ILendingPoolV2 } from './ILendingPoolV2.sol'; | |
/** | |
* @title IFlashLoanReceiverV2 interface | |
* @notice Interface for the Aave fee IFlashLoanReceiver. | |
* @author Aave | |
* @dev implement this interface to develop a flashloan-compatible flashLoanReceiver contract | |
**/ | |
interface IFlashLoanReceiverV2 { | |
function executeOperation( | |
address[] calldata assets, | |
uint256[] calldata amounts, | |
uint256[] calldata premiums, | |
address initiator, | |
bytes calldata params | |
) external returns (bool); | |
function ADDRESSES_PROVIDER() external view returns (ILendingPoolAddressesProviderV2); | |
function LENDING_POOL() external view returns (ILendingPoolV2); | |
} |
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// SPDX-License-Identifier: agpl-3.0 | |
pragma solidity ^0.8.1; | |
/** | |
* @title LendingPoolAddressesProvider contract | |
* @dev Main registry of addresses part of or connected to the protocol, including permissioned roles | |
* - Acting also as factory of proxies and admin of those, so with right to change its implementations | |
* - Owned by the Aave Governance | |
* @author Aave | |
**/ | |
interface ILendingPoolAddressesProviderV2 { | |
event MarketIdSet(string newMarketId); | |
event LendingPoolUpdated(address indexed newAddress); | |
event ConfigurationAdminUpdated(address indexed newAddress); | |
event EmergencyAdminUpdated(address indexed newAddress); | |
event LendingPoolConfiguratorUpdated(address indexed newAddress); | |
event LendingPoolCollateralManagerUpdated(address indexed newAddress); | |
event PriceOracleUpdated(address indexed newAddress); | |
event LendingRateOracleUpdated(address indexed newAddress); | |
event ProxyCreated(bytes32 id, address indexed newAddress); | |
event AddressSet(bytes32 id, address indexed newAddress, bool hasProxy); | |
function getMarketId() external view returns (string memory); | |
function setMarketId(string calldata marketId) external; | |
function setAddress(bytes32 id, address newAddress) external; | |
function setAddressAsProxy(bytes32 id, address impl) external; | |
function getAddress(bytes32 id) external view returns (address); | |
function getLendingPool() external view returns (address); | |
function setLendingPoolImpl(address pool) external; | |
function getLendingPoolConfigurator() external view returns (address); | |
function setLendingPoolConfiguratorImpl(address configurator) external; | |
function getLendingPoolCollateralManager() external view returns (address); | |
function setLendingPoolCollateralManager(address manager) external; | |
function getPoolAdmin() external view returns (address); | |
function setPoolAdmin(address admin) external; | |
function getEmergencyAdmin() external view returns (address); | |
function setEmergencyAdmin(address admin) external; | |
function getPriceOracle() external view returns (address); | |
function setPriceOracle(address priceOracle) external; | |
function getLendingRateOracle() external view returns (address); | |
function setLendingRateOracle(address lendingRateOracle) external; | |
} |
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// SPDX-License-Identifier: agpl-3.0 | |
pragma solidity ^0.8.1; | |
pragma experimental ABIEncoderV2; | |
import {ILendingPoolAddressesProviderV2} from './ILendingPoolAddressesProviderV2.sol'; | |
import {DataTypes} from './DataTypes.sol'; | |
interface ILendingPoolV2 { | |
/** | |
* @dev Emitted on deposit() | |
* @param reserve The address of the underlying asset of the reserve | |
* @param user The address initiating the deposit | |
* @param onBehalfOf The beneficiary of the deposit, receiving the aTokens | |
* @param amount The amount deposited | |
* @param referral The referral code used | |
**/ | |
event Deposit( | |
address indexed reserve, | |
address user, | |
address indexed onBehalfOf, | |
uint256 amount, | |
uint16 indexed referral | |
); | |
/** | |
* @dev Emitted on withdraw() | |
* @param reserve The address of the underlyng asset being withdrawn | |
* @param user The address initiating the withdrawal, owner of aTokens | |
* @param to 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 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 borrowRateMode The rate mode: 1 for Stable, 2 for Variable | |
* @param borrowRate The numeric rate at which the user has borrowed | |
* @param referral The referral code used | |
**/ | |
event Borrow( | |
address indexed reserve, | |
address user, | |
address indexed onBehalfOf, | |
uint256 amount, | |
uint256 borrowRateMode, | |
uint256 borrowRate, | |
uint16 indexed referral | |
); | |
/** | |
* @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 | |
**/ | |
event Repay( | |
address indexed reserve, | |
address indexed user, | |
address indexed repayer, | |
uint256 amount | |
); | |
/** | |
* @dev Emitted on swapBorrowRateMode() | |
* @param reserve The address of the underlying asset of the reserve | |
* @param user The address of the user swapping his rate mode | |
* @param rateMode The rate mode that the user wants to swap to | |
**/ | |
event Swap(address indexed reserve, address indexed user, uint256 rateMode); | |
/** | |
* @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 rebalanceStableBorrowRate() | |
* @param reserve The address of the underlying asset of the reserve | |
* @param user The address of the user for which the rebalance has been executed | |
**/ | |
event RebalanceStableBorrowRate(address indexed reserve, 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 premium The fee flash borrowed | |
* @param referralCode The referral code used | |
**/ | |
event FlashLoan( | |
address indexed target, | |
address indexed initiator, | |
address indexed asset, | |
uint256 amount, | |
uint256 premium, | |
uint16 referralCode | |
); | |
/** | |
* @dev Emitted when the pause is triggered. | |
*/ | |
event Paused(); | |
/** | |
* @dev Emitted when the pause is lifted. | |
*/ | |
event Unpaused(); | |
/** | |
* @dev Emitted when a borrower is liquidated. This event is emitted by the LendingPool via | |
* LendingPoolCollateral manager using a DELEGATECALL | |
* This allows to have the events in the generated ABI for LendingPool. | |
* @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 liiquidator | |
* @param liquidator The address of the liquidator | |
* @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `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 receiveAToken | |
); | |
/** | |
* @dev Emitted when the state of a reserve is updated. NOTE: This event is actually declared | |
* in the ReserveLogic library and emitted in the updateInterestRates() function. Since the function is internal, | |
* the event will actually be fired by the LendingPool contract. The event is therefore replicated here so it | |
* gets added to the LendingPool ABI | |
* @param reserve The address of the underlying asset of the reserve | |
* @param liquidityRate The new liquidity rate | |
* @param stableBorrowRate The new stable borrow rate | |
* @param variableBorrowRate The new variable borrow rate | |
* @param liquidityIndex The new liquidity index | |
* @param variableBorrowIndex The new variable borrow index | |
**/ | |
event ReserveDataUpdated( | |
address indexed reserve, | |
uint256 liquidityRate, | |
uint256 stableBorrowRate, | |
uint256 variableBorrowRate, | |
uint256 liquidityIndex, | |
uint256 variableBorrowIndex | |
); | |
/** | |
* @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. | |
* - E.g. User deposits 100 USDC and gets in return 100 aUSDC | |
* @param asset The address of the underlying asset to deposit | |
* @param amount The amount to be deposited | |
* @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user | |
* wants to receive them on his own wallet, or a different address if the beneficiary of aTokens | |
* 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 deposit( | |
address asset, | |
uint256 amount, | |
address onBehalfOf, | |
uint16 referralCode | |
) external; | |
/** | |
* @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens 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 aToken balance | |
* @param to 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); | |
/** | |
* @dev Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower | |
* already deposited enough collateral, or he was given enough allowance by a credit delegator on the | |
* corresponding debt token (StableDebtToken or VariableDebtToken) | |
* - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet | |
* and 100 stable/variable debt tokens, depending on the `interestRateMode` | |
* @param asset The address of the underlying asset to borrow | |
* @param amount The amount to be borrowed | |
* @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable | |
* @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 onBehalfOf 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, | |
uint256 interestRateMode, | |
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 variable/stable 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` on the specific `debtMode` | |
* @param rateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable | |
* @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 | |
* @return The final amount repaid | |
**/ | |
function repay( | |
address asset, | |
uint256 amount, | |
uint256 rateMode, | |
address onBehalfOf | |
) external returns (uint256); | |
/** | |
* @dev Allows a borrower to swap his debt between stable and variable mode, or viceversa | |
* @param asset The address of the underlying asset borrowed | |
* @param rateMode The rate mode that the user wants to swap to | |
**/ | |
function swapBorrowRateMode(address asset, uint256 rateMode) external; | |
/** | |
* @dev Rebalances the stable interest rate of a user to the current stable rate defined on the reserve. | |
* - Users can be rebalanced if the following conditions are satisfied: | |
* 1. Usage ratio is above 95% | |
* 2. the current deposit APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too much has been | |
* borrowed at a stable rate and depositors are not earning enough | |
* @param asset The address of the underlying asset borrowed | |
* @param user The address of the user to be rebalanced | |
**/ | |
function rebalanceStableBorrowRate(address asset, address user) external; | |
/** | |
* @dev Allows depositors to enable/disable a specific deposited asset as collateral | |
* @param asset The address of the underlying asset deposited | |
* @param useAsCollateral `true` if the user wants to use the deposit as collateral, `false` otherwise | |
**/ | |
function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external; | |
/** | |
* @dev 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 receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants | |
* to receive the underlying collateral asset directly | |
**/ | |
function liquidationCall( | |
address collateralAsset, | |
address debtAsset, | |
address user, | |
uint256 debtToCover, | |
bool receiveAToken | |
) external; | |
/** | |
* @dev Allows smartcontracts to access the liquidity of the pool within one transaction, | |
* as long as the amount taken plus a fee is returned. | |
* IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept into consideration. | |
* For further details please visit https://developers.aave.com | |
* @param receiverAddress The address of the contract receiving the funds, implementing the IFlashLoanReceiver interface | |
* @param assets The addresses of the assets being flash-borrowed | |
* @param amounts The amounts amounts being flash-borrowed | |
* @param modes Types of the debt to open if the flash loan is not returned: | |
* 0 -> Don't open any debt, just revert if funds can't be transferred from the receiver | |
* 1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address | |
* 2 -> 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 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, | |
uint256[] calldata modes, | |
address onBehalfOf, | |
bytes calldata params, | |
uint16 referralCode | |
) external; | |
/** | |
* @dev Returns the user account data across all the reserves | |
* @param user The address of the user | |
* @return totalCollateralETH the total collateral in ETH of the user | |
* @return totalDebtETH the total debt in ETH of the user | |
* @return availableBorrowsETH the borrowing power left of the user | |
* @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 totalCollateralETH, | |
uint256 totalDebtETH, | |
uint256 availableBorrowsETH, | |
uint256 currentLiquidationThreshold, | |
uint256 ltv, | |
uint256 healthFactor | |
); | |
function initReserve( | |
address reserve, | |
address aTokenAddress, | |
address stableDebtAddress, | |
address variableDebtAddress, | |
address interestRateStrategyAddress | |
) external; | |
function setReserveInterestRateStrategyAddress(address reserve, address rateStrategyAddress) | |
external; | |
function setConfiguration(address reserve, uint256 configuration) external; | |
/** | |
* @dev 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); | |
/** | |
* @dev 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); | |
/** | |
* @dev Returns the normalized income 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); | |
/** | |
* @dev Returns the normalized variable debt per unit of asset | |
* @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); | |
/** | |
* @dev Returns the state and configuration of the reserve | |
* @param asset The address of the underlying asset of the reserve | |
* @return The state of the reserve | |
**/ | |
function getReserveData(address asset) external view returns (DataTypes.ReserveData memory); | |
function finalizeTransfer( | |
address asset, | |
address from, | |
address to, | |
uint256 amount, | |
uint256 balanceFromAfter, | |
uint256 balanceToBefore | |
) external; | |
function getReservesList() external view returns (address[] memory); | |
function getAddressesProvider() external view returns (ILendingPoolAddressesProviderV2); | |
function setPause(bool val) external; | |
function paused() external view returns (bool); | |
} |
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