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Overview
POL Balance
0 POL
POL Value
$0.00More Info
Private Name Tags
ContractCreator
TokenTracker
Latest 1 from a total of 1 transactions
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Initialize | 34817629 | 779 days ago | IN | 0 POL | 0.00862725 |
Latest 1 internal transaction
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25826076 | 1008 days ago | Contract Creation | 0 POL |
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Contract Name:
VariableDebtToken
Compiler Version
v0.8.10+commit.fc410830
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.10; import {IERC20} from '../../dependencies/openzeppelin/contracts/IERC20.sol'; import {SafeCast} from '../../dependencies/openzeppelin/contracts/SafeCast.sol'; import {VersionedInitializable} from '../libraries/aave-upgradeability/VersionedInitializable.sol'; import {WadRayMath} from '../libraries/math/WadRayMath.sol'; import {Errors} from '../libraries/helpers/Errors.sol'; import {IPool} from '../../interfaces/IPool.sol'; import {IAaveIncentivesController} from '../../interfaces/IAaveIncentivesController.sol'; import {IInitializableDebtToken} from '../../interfaces/IInitializableDebtToken.sol'; import {IVariableDebtToken} from '../../interfaces/IVariableDebtToken.sol'; import {EIP712Base} from './base/EIP712Base.sol'; import {DebtTokenBase} from './base/DebtTokenBase.sol'; import {ScaledBalanceTokenBase} from './base/ScaledBalanceTokenBase.sol'; /** * @title VariableDebtToken * @author Aave * @notice Implements a variable debt token to track the borrowing positions of users * at variable rate mode * @dev Transfer and approve functionalities are disabled since its a non-transferable token **/ contract VariableDebtToken is DebtTokenBase, ScaledBalanceTokenBase, IVariableDebtToken { using WadRayMath for uint256; using SafeCast for uint256; uint256 public constant DEBT_TOKEN_REVISION = 0x1; /** * @dev Constructor. * @param pool The address of the Pool contract */ constructor(IPool pool) DebtTokenBase() ScaledBalanceTokenBase(pool, 'VARIABLE_DEBT_TOKEN_IMPL', 'VARIABLE_DEBT_TOKEN_IMPL', 0) { // Intentionally left blank } /// @inheritdoc IInitializableDebtToken function initialize( IPool initializingPool, address underlyingAsset, IAaveIncentivesController incentivesController, uint8 debtTokenDecimals, string memory debtTokenName, string memory debtTokenSymbol, bytes calldata params ) external override initializer { require(initializingPool == POOL, Errors.POOL_ADDRESSES_DO_NOT_MATCH); _setName(debtTokenName); _setSymbol(debtTokenSymbol); _setDecimals(debtTokenDecimals); _underlyingAsset = underlyingAsset; _incentivesController = incentivesController; _domainSeparator = _calculateDomainSeparator(); emit Initialized( underlyingAsset, address(POOL), address(incentivesController), debtTokenDecimals, debtTokenName, debtTokenSymbol, params ); } /// @inheritdoc VersionedInitializable function getRevision() internal pure virtual override returns (uint256) { return DEBT_TOKEN_REVISION; } /// @inheritdoc IERC20 function balanceOf(address user) public view virtual override returns (uint256) { uint256 scaledBalance = super.balanceOf(user); if (scaledBalance == 0) { return 0; } return scaledBalance.rayMul(POOL.getReserveNormalizedVariableDebt(_underlyingAsset)); } /// @inheritdoc IVariableDebtToken function mint( address user, address onBehalfOf, uint256 amount, uint256 index ) external virtual override onlyPool returns (bool, uint256) { if (user != onBehalfOf) { _decreaseBorrowAllowance(onBehalfOf, user, amount); } return (_mintScaled(user, onBehalfOf, amount, index), scaledTotalSupply()); } /// @inheritdoc IVariableDebtToken function burn( address from, uint256 amount, uint256 index ) external virtual override onlyPool returns (uint256) { _burnScaled(from, address(0), amount, index); return scaledTotalSupply(); } /// @inheritdoc IERC20 function totalSupply() public view virtual override returns (uint256) { return super.totalSupply().rayMul(POOL.getReserveNormalizedVariableDebt(_underlyingAsset)); } /// @inheritdoc EIP712Base function _EIP712BaseId() internal view override returns (string memory) { return name(); } /** * @dev Being non transferrable, the debt token does not implement any of the * standard ERC20 functions for transfer and allowance. **/ function transfer(address, uint256) external virtual override returns (bool) { revert(Errors.OPERATION_NOT_SUPPORTED); } function allowance(address, address) external view virtual override returns (uint256) { revert(Errors.OPERATION_NOT_SUPPORTED); } function approve(address, uint256) external virtual override returns (bool) { revert(Errors.OPERATION_NOT_SUPPORTED); } function transferFrom( address, address, uint256 ) external virtual override returns (bool) { revert(Errors.OPERATION_NOT_SUPPORTED); } function increaseAllowance(address, uint256) external virtual override returns (bool) { revert(Errors.OPERATION_NOT_SUPPORTED); } function decreaseAllowance(address, uint256) external virtual override returns (bool) { revert(Errors.OPERATION_NOT_SUPPORTED); } /// @inheritdoc IVariableDebtToken function UNDERLYING_ASSET_ADDRESS() external view override returns (address) { return _underlyingAsset; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.10; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return payable(msg.sender); } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.8.10; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) 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 `amount` 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 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @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); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.8.10; import {IERC20} from './IERC20.sol'; interface IERC20Detailed is IERC20 { function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/math/SafeCast.sol) pragma solidity 0.8.10; /** * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow * checks. * * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can * easily result in undesired exploitation or bugs, since developers usually * assume that overflows raise errors. `SafeCast` restores this intuition by * reverting the transaction when such an operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. * * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing * all math on `uint256` and `int256` and then downcasting. */ library SafeCast { /** * @dev Returns the downcasted uint224 from uint256, reverting on * overflow (when the input is greater than largest uint224). * * Counterpart to Solidity's `uint224` operator. * * Requirements: * * - input must fit into 224 bits */ function toUint224(uint256 value) internal pure returns (uint224) { require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits"); return uint224(value); } /** * @dev Returns the downcasted uint128 from uint256, reverting on * overflow (when the input is greater than largest uint128). * * Counterpart to Solidity's `uint128` operator. * * Requirements: * * - input must fit into 128 bits */ function toUint128(uint256 value) internal pure returns (uint128) { require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits"); return uint128(value); } /** * @dev Returns the downcasted uint96 from uint256, reverting on * overflow (when the input is greater than largest uint96). * * Counterpart to Solidity's `uint96` operator. * * Requirements: * * - input must fit into 96 bits */ function toUint96(uint256 value) internal pure returns (uint96) { require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits"); return uint96(value); } /** * @dev Returns the downcasted uint64 from uint256, reverting on * overflow (when the input is greater than largest uint64). * * Counterpart to Solidity's `uint64` operator. * * Requirements: * * - input must fit into 64 bits */ function toUint64(uint256 value) internal pure returns (uint64) { require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits"); return uint64(value); } /** * @dev Returns the downcasted uint32 from uint256, reverting on * overflow (when the input is greater than largest uint32). * * Counterpart to Solidity's `uint32` operator. * * Requirements: * * - input must fit into 32 bits */ function toUint32(uint256 value) internal pure returns (uint32) { require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits"); return uint32(value); } /** * @dev Returns the downcasted uint16 from uint256, reverting on * overflow (when the input is greater than largest uint16). * * Counterpart to Solidity's `uint16` operator. * * Requirements: * * - input must fit into 16 bits */ function toUint16(uint256 value) internal pure returns (uint16) { require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits"); return uint16(value); } /** * @dev Returns the downcasted uint8 from uint256, reverting on * overflow (when the input is greater than largest uint8). * * Counterpart to Solidity's `uint8` operator. * * Requirements: * * - input must fit into 8 bits. */ function toUint8(uint256 value) internal pure returns (uint8) { require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits"); return uint8(value); } /** * @dev Converts a signed int256 into an unsigned uint256. * * Requirements: * * - input must be greater than or equal to 0. */ function toUint256(int256 value) internal pure returns (uint256) { require(value >= 0, 'SafeCast: value must be positive'); return uint256(value); } /** * @dev Returns the downcasted int128 from int256, reverting on * overflow (when the input is less than smallest int128 or * greater than largest int128). * * Counterpart to Solidity's `int128` operator. * * Requirements: * * - input must fit into 128 bits * * _Available since v3.1._ */ function toInt128(int256 value) internal pure returns (int128) { require( value >= type(int128).min && value <= type(int128).max, "SafeCast: value doesn't fit in 128 bits" ); return int128(value); } /** * @dev Returns the downcasted int64 from int256, reverting on * overflow (when the input is less than smallest int64 or * greater than largest int64). * * Counterpart to Solidity's `int64` operator. * * Requirements: * * - input must fit into 64 bits * * _Available since v3.1._ */ function toInt64(int256 value) internal pure returns (int64) { require( value >= type(int64).min && value <= type(int64).max, "SafeCast: value doesn't fit in 64 bits" ); return int64(value); } /** * @dev Returns the downcasted int32 from int256, reverting on * overflow (when the input is less than smallest int32 or * greater than largest int32). * * Counterpart to Solidity's `int32` operator. * * Requirements: * * - input must fit into 32 bits * * _Available since v3.1._ */ function toInt32(int256 value) internal pure returns (int32) { require( value >= type(int32).min && value <= type(int32).max, "SafeCast: value doesn't fit in 32 bits" ); return int32(value); } /** * @dev Returns the downcasted int16 from int256, reverting on * overflow (when the input is less than smallest int16 or * greater than largest int16). * * Counterpart to Solidity's `int16` operator. * * Requirements: * * - input must fit into 16 bits * * _Available since v3.1._ */ function toInt16(int256 value) internal pure returns (int16) { require( value >= type(int16).min && value <= type(int16).max, "SafeCast: value doesn't fit in 16 bits" ); return int16(value); } /** * @dev Returns the downcasted int8 from int256, reverting on * overflow (when the input is less than smallest int8 or * greater than largest int8). * * Counterpart to Solidity's `int8` operator. * * Requirements: * * - input must fit into 8 bits. * * _Available since v3.1._ */ function toInt8(int256 value) internal pure returns (int8) { require( value >= type(int8).min && value <= type(int8).max, "SafeCast: value doesn't fit in 8 bits" ); return int8(value); } /** * @dev Converts an unsigned uint256 into a signed int256. * * Requirements: * * - input must be less than or equal to maxInt256. */ function toInt256(uint256 value) internal pure returns (int256) { // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256"); return int256(value); } }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol'; /** * @title IACLManager * @author Aave * @notice Defines the basic interface for the ACL Manager **/ interface IACLManager { /** * @notice Returns the contract address of the PoolAddressesProvider * @return The address of the PoolAddressesProvider */ function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider); /** * @notice Returns the identifier of the PoolAdmin role * @return The id of the PoolAdmin role */ function POOL_ADMIN_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the EmergencyAdmin role * @return The id of the EmergencyAdmin role */ function EMERGENCY_ADMIN_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the RiskAdmin role * @return The id of the RiskAdmin role */ function RISK_ADMIN_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the FlashBorrower role * @return The id of the FlashBorrower role */ function FLASH_BORROWER_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the Bridge role * @return The id of the Bridge role */ function BRIDGE_ROLE() external view returns (bytes32); /** * @notice Returns the identifier of the AssetListingAdmin role * @return The id of the AssetListingAdmin role */ function ASSET_LISTING_ADMIN_ROLE() external view returns (bytes32); /** * @notice Set the role as admin of a specific role. * @dev By default the admin role for all roles is `DEFAULT_ADMIN_ROLE`. * @param role The role to be managed by the admin role * @param adminRole The admin role */ function setRoleAdmin(bytes32 role, bytes32 adminRole) external; /** * @notice Adds a new admin as PoolAdmin * @param admin The address of the new admin */ function addPoolAdmin(address admin) external; /** * @notice Removes an admin as PoolAdmin * @param admin The address of the admin to remove */ function removePoolAdmin(address admin) external; /** * @notice Returns true if the address is PoolAdmin, false otherwise * @param admin The address to check * @return True if the given address is PoolAdmin, false otherwise */ function isPoolAdmin(address admin) external view returns (bool); /** * @notice Adds a new admin as EmergencyAdmin * @param admin The address of the new admin */ function addEmergencyAdmin(address admin) external; /** * @notice Removes an admin as EmergencyAdmin * @param admin The address of the admin to remove */ function removeEmergencyAdmin(address admin) external; /** * @notice Returns true if the address is EmergencyAdmin, false otherwise * @param admin The address to check * @return True if the given address is EmergencyAdmin, false otherwise */ function isEmergencyAdmin(address admin) external view returns (bool); /** * @notice Adds a new admin as RiskAdmin * @param admin The address of the new admin */ function addRiskAdmin(address admin) external; /** * @notice Removes an admin as RiskAdmin * @param admin The address of the admin to remove */ function removeRiskAdmin(address admin) external; /** * @notice Returns true if the address is RiskAdmin, false otherwise * @param admin The address to check * @return True if the given address is RiskAdmin, false otherwise */ function isRiskAdmin(address admin) external view returns (bool); /** * @notice Adds a new address as FlashBorrower * @param borrower The address of the new FlashBorrower */ function addFlashBorrower(address borrower) external; /** * @notice Removes an admin as FlashBorrower * @param borrower The address of the FlashBorrower to remove */ function removeFlashBorrower(address borrower) external; /** * @notice Returns true if the address is FlashBorrower, false otherwise * @param borrower The address to check * @return True if the given address is FlashBorrower, false otherwise */ function isFlashBorrower(address borrower) external view returns (bool); /** * @notice Adds a new address as Bridge * @param bridge The address of the new Bridge */ function addBridge(address bridge) external; /** * @notice Removes an address as Bridge * @param bridge The address of the bridge to remove */ function removeBridge(address bridge) external; /** * @notice Returns true if the address is Bridge, false otherwise * @param bridge The address to check * @return True if the given address is Bridge, false otherwise */ function isBridge(address bridge) external view returns (bool); /** * @notice Adds a new admin as AssetListingAdmin * @param admin The address of the new admin */ function addAssetListingAdmin(address admin) external; /** * @notice Removes an admin as AssetListingAdmin * @param admin The address of the admin to remove */ function removeAssetListingAdmin(address admin) external; /** * @notice Returns true if the address is AssetListingAdmin, false otherwise * @param admin The address to check * @return True if the given address is AssetListingAdmin, false otherwise */ function isAssetListingAdmin(address admin) external view returns (bool); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; /** * @title IAaveIncentivesController * @author Aave * @notice Defines the basic interface for an Aave Incentives Controller. **/ interface IAaveIncentivesController { /** * @dev Emitted during `handleAction`, `claimRewards` and `claimRewardsOnBehalf` * @param user The user that accrued rewards * @param amount The amount of accrued rewards */ event RewardsAccrued(address indexed user, uint256 amount); event RewardsClaimed(address indexed user, address indexed to, uint256 amount); /** * @dev Emitted during `claimRewards` and `claimRewardsOnBehalf` * @param user The address that accrued rewards * @param to The address that will be receiving the rewards * @param claimer The address that performed the claim * @param amount The amount of rewards */ event RewardsClaimed( address indexed user, address indexed to, address indexed claimer, uint256 amount ); /** * @dev Emitted during `setClaimer` * @param user The address of the user * @param claimer The address of the claimer */ event ClaimerSet(address indexed user, address indexed claimer); /** * @notice Returns the configuration of the distribution for a certain asset * @param asset The address of the reference asset of the distribution * @return The asset index * @return The emission per second * @return The last updated timestamp **/ function getAssetData(address asset) external view returns ( uint256, uint256, uint256 ); /** * LEGACY ************************** * @dev Returns the configuration of the distribution for a certain asset * @param asset The address of the reference asset of the distribution * @return The asset index, the emission per second and the last updated timestamp **/ function assets(address asset) external view returns ( uint128, uint128, uint256 ); /** * @notice Whitelists an address to claim the rewards on behalf of another address * @param user The address of the user * @param claimer The address of the claimer */ function setClaimer(address user, address claimer) external; /** * @notice Returns the whitelisted claimer for a certain address (0x0 if not set) * @param user The address of the user * @return The claimer address */ function getClaimer(address user) external view returns (address); /** * @notice Configure assets for a certain rewards emission * @param assets The assets to incentivize * @param emissionsPerSecond The emission for each asset */ function configureAssets(address[] calldata assets, uint256[] calldata emissionsPerSecond) external; /** * @notice Called by the corresponding asset on any update that affects the rewards distribution * @param asset The address of the user * @param userBalance The balance of the user of the asset in the pool * @param totalSupply The total supply of the asset in the pool **/ function handleAction( address asset, uint256 userBalance, uint256 totalSupply ) external; /** * @notice Returns the total of rewards of a user, already accrued + not yet accrued * @param assets The assets to accumulate rewards for * @param user The address of the user * @return The rewards **/ function getRewardsBalance(address[] calldata assets, address user) external view returns (uint256); /** * @notice Claims reward for a user, on the assets of the pool, accumulating the pending rewards * @param assets The assets to accumulate rewards for * @param amount Amount of rewards to claim * @param to Address that will be receiving the rewards * @return Rewards claimed **/ function claimRewards( address[] calldata assets, uint256 amount, address to ) external returns (uint256); /** * @notice Claims reward for a user on its behalf, on the assets of the pool, accumulating the pending rewards. * @dev The caller must be whitelisted via "allowClaimOnBehalf" function by the RewardsAdmin role manager * @param assets The assets to accumulate rewards for * @param amount The amount of rewards to claim * @param user The address to check and claim rewards * @param to The address that will be receiving the rewards * @return The amount of rewards claimed **/ function claimRewardsOnBehalf( address[] calldata assets, uint256 amount, address user, address to ) external returns (uint256); /** * @notice Returns the unclaimed rewards of the user * @param user The address of the user * @return The unclaimed user rewards */ function getUserUnclaimedRewards(address user) external view returns (uint256); /** * @notice Returns the user index for a specific asset * @param user The address of the user * @param asset The asset to incentivize * @return The user index for the asset */ function getUserAssetData(address user, address asset) external view returns (uint256); /** * @notice for backward compatibility with previous implementation of the Incentives controller * @return The address of the reward token */ function REWARD_TOKEN() external view returns (address); /** * @notice for backward compatibility with previous implementation of the Incentives controller * @return The precision used in the incentives controller */ function PRECISION() external view returns (uint8); /** * @dev Gets the distribution end timestamp of the emissions */ function DISTRIBUTION_END() external view returns (uint256); }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; /** * @title ICreditDelegationToken * @author Aave * @notice Defines the basic interface for a token supporting credit delegation. **/ interface ICreditDelegationToken { /** * @dev Emitted on `approveDelegation` and `borrowAllowance * @param fromUser The address of the delegator * @param toUser The address of the delegatee * @param asset The address of the delegated asset * @param amount The amount being delegated */ event BorrowAllowanceDelegated( address indexed fromUser, address indexed toUser, address indexed asset, uint256 amount ); /** * @notice Delegates borrowing power to a user on the specific debt token. * Delegation will still respect the liquidation constraints (even if delegated, a * delegatee cannot force a delegator HF to go below 1) * @param delegatee The address receiving the delegated borrowing power * @param amount The maximum amount being delegated. **/ function approveDelegation(address delegatee, uint256 amount) external; /** * @notice Returns the borrow allowance of the user * @param fromUser The user to giving allowance * @param toUser The user to give allowance to * @return The current allowance of `toUser` **/ function borrowAllowance(address fromUser, address toUser) external view returns (uint256); /** * @notice Delegates borrowing power to a user on the specific debt token via ERC712 signature * @param delegator The delegator of the credit * @param delegatee The delegatee that can use the credit * @param value The amount to be delegated * @param deadline The deadline timestamp, type(uint256).max for max deadline * @param v The V signature param * @param s The S signature param * @param r The R signature param */ function delegationWithSig( address delegator, address delegatee, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; import {IAaveIncentivesController} from './IAaveIncentivesController.sol'; import {IPool} from './IPool.sol'; /** * @title IInitializableDebtToken * @author Aave * @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 aToken * @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 aToken (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, IAaveIncentivesController incentivesController, uint8 debtTokenDecimals, string memory debtTokenName, string memory debtTokenSymbol, bytes calldata params ) external; }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol'; import {DataTypes} from '../protocol/libraries/types/DataTypes.sol'; /** * @title IPool * @author Aave * @notice Defines the basic interface for an Aave Pool. **/ interface IPool { /** * @dev Emitted on mintUnbacked() * @param reserve The address of the underlying asset of the reserve * @param user The address initiating the supply * @param onBehalfOf The beneficiary of the supplied assets, receiving the aTokens * @param amount The amount of supplied assets * @param referralCode The referral code used **/ event MintUnbacked( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint16 indexed referralCode ); /** * @dev Emitted on backUnbacked() * @param reserve The address of the underlying asset of the reserve * @param backer The address paying for the backing * @param amount The amount added as backing * @param fee The amount paid in fees **/ event BackUnbacked(address indexed reserve, address indexed backer, uint256 amount, uint256 fee); /** * @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 aTokens * @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 withdraw() * @param reserve The address of the underlying asset being withdrawn * @param user The address initiating the withdrawal, owner of aTokens * @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 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 interestRateMode The rate mode: 1 for Stable, 2 for Variable * @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, DataTypes.InterestRateMode interestRateMode, 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 useATokens True if the repayment is done using aTokens, `false` if done with underlying asset directly **/ event Repay( address indexed reserve, address indexed user, address indexed repayer, uint256 amount, bool useATokens ); /** * @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 interestRateMode The current interest rate mode of the position being swapped: 1 for Stable, 2 for Variable **/ event SwapBorrowRateMode( address indexed reserve, address indexed user, DataTypes.InterestRateMode interestRateMode ); /** * @dev Emitted on borrow(), repay() and liquidationCall() when using isolated assets * @param asset The address of the underlying asset of the reserve * @param totalDebt The total isolation mode debt for the reserve */ event IsolationModeTotalDebtUpdated(address indexed asset, uint256 totalDebt); /** * @dev Emitted when the user selects a certain asset category for eMode * @param user The address of the user * @param categoryId The category id **/ event UserEModeSet(address indexed user, uint8 categoryId); /** * @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 interestRateMode The flashloan mode: 0 for regular flashloan, 1 for Stable debt, 2 for Variable debt * @param premium The fee flash borrowed * @param referralCode The referral code used **/ event FlashLoan( address indexed target, address initiator, address indexed asset, uint256 amount, DataTypes.InterestRateMode interestRateMode, 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 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. * @param reserve The address of the underlying asset of the reserve * @param liquidityRate The next liquidity rate * @param stableBorrowRate The next stable borrow 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 stableBorrowRate, uint256 variableBorrowRate, uint256 liquidityIndex, uint256 variableBorrowIndex ); /** * @dev Emitted when the protocol treasury receives minted aTokens 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); /** * @dev Mints an `amount` of aTokens to the `onBehalfOf` * @param asset The address of the underlying asset to mint * @param amount The amount to mint * @param onBehalfOf The address that will receive the aTokens * @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 mintUnbacked( address asset, uint256 amount, address onBehalfOf, uint16 referralCode ) external; /** * @dev Back the current unbacked underlying with `amount` and pay `fee`. * @param asset The address of the underlying asset to back * @param amount The amount to back * @param fee The amount paid in fees **/ function backUnbacked( address asset, uint256 amount, uint256 fee ) external; /** * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. * - 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 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 supply( address asset, 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 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 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 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 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 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 (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 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, 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 interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable * @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, uint256 interestRateMode, 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` on the specific `debtMode` * @param interestRateMode 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 * @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, uint256 interestRateMode, 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 aTokens, burning the * equivalent debt tokens * - E.g. User repays 100 USDC using 100 aUSDC, burning 100 variable/stable debt tokens * @dev Passing uint256.max as amount will clean up any residual aToken dust balance, if the user aToken * 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` on the specific `debtMode` * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable * @return The final amount repaid **/ function repayWithATokens( address asset, uint256 amount, uint256 interestRateMode ) external returns (uint256); /** * @notice Allows a borrower to swap his debt between stable and variable mode, or vice versa * @param asset The address of the underlying asset borrowed * @param interestRateMode The current interest rate mode of the position being swapped: 1 for Stable, 2 for Variable **/ function swapBorrowRateMode(address asset, uint256 interestRateMode) external; /** * @notice 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 supply APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too * much has been borrowed at a stable rate and suppliers 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; /** * @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 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; /** * @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. For further details please visit https://developers.aave.com * @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 interestRateModes 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 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, uint256[] calldata interestRateModes, 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. For further details please visit https://developers.aave.com * @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 aToken and debt tokens and an * interest rate strategy * @dev Only callable by the PoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param aTokenAddress The address of the aToken that will be assigned to the reserve * @param stableDebtAddress The address of the StableDebtToken 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 aTokenAddress, address stableDebtAddress, address variableDebtAddress, address interestRateStrategyAddress ) 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 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 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 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); /** * @notice 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); /** * @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 Validates and finalizes an aToken transfer * @dev Only callable by the overlying aToken of the `asset` * @param asset The address of the underlying asset of the aToken * @param from The user from which the aTokens are transferred * @param to The user receiving the aTokens * @param amount The amount being transferred/withdrawn * @param balanceFromBefore The aToken balance of the `from` user before the transfer * @param balanceToBefore The aToken balance of the `to` user before the transfer */ function finalizeTransfer( address asset, address from, address to, uint256 amount, uint256 balanceFromBefore, uint256 balanceToBefore ) 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 the protocol fee on the bridging * @param bridgeProtocolFee The part of the premium sent to the protocol treasury */ function updateBridgeProtocolFee(uint256 bridgeProtocolFee) external; /** * @notice Updates flash loan premiums. Flash loan premium consists of two parts: * - A part is sent to aToken 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 Configures a new category for the eMode. * @dev In eMode, the protocol allows very high borrowing power to borrow assets of the same category. * The category 0 is reserved as it's the default for volatile assets * @param id The id of the category * @param config The configuration of the category */ function configureEModeCategory(uint8 id, DataTypes.EModeCategory memory config) external; /** * @notice Returns the data of an eMode category * @param id The id of the category * @return The configuration data of the category */ function getEModeCategoryData(uint8 id) external view returns (DataTypes.EModeCategory memory); /** * @notice Allows a user to use the protocol in eMode * @param categoryId The id of the category */ function setUserEMode(uint8 categoryId) external; /** * @notice Returns the eMode the user is using * @param user The address of the user * @return The eMode id */ function getUserEMode(address user) external view returns (uint256); /** * @notice Resets the isolation mode total debt of the given asset to zero * @dev It requires the given asset has zero debt ceiling * @param asset The address of the underlying asset to reset the isolationModeTotalDebt */ function resetIsolationModeTotalDebt(address asset) external; /** * @notice Returns the percentage of available liquidity that can be borrowed at once at stable rate * @return The percentage of available liquidity to borrow, expressed in bps */ function MAX_STABLE_RATE_BORROW_SIZE_PERCENT() external view returns (uint256); /** * @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 bridge fees sent to protocol * @return The bridge fee sent to the protocol treasury */ function BRIDGE_PROTOCOL_FEE() external view returns (uint256); /** * @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 Mints the assets accrued through the reserve factor to the treasury in the form of aTokens * @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; /** * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. * - E.g. User supplies 100 USDC and gets in return 100 aUSDC * @dev Deprecated: Use the `supply` function instead * @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 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; }
// SPDX-License-Identifier: AGPL-3.0 pragma solidity 0.8.10; /** * @title IPoolAddressesProvider * @author Aave * @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 oldAddress The old address of the Pool * @param newAddress The new address of the Pool */ event PoolUpdated(address indexed oldAddress, address indexed newAddress); /** * @dev Emitted when the pool configurator is updated. * @param oldAddress The old address of the PoolConfigurator * @param newAddress The new address of the PoolConfigurator */ event PoolConfiguratorUpdated(address indexed oldAddress, 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 oldImplementationAddress The address of the old implementation contract * @param newImplementationAddress The address of the new implementation contract */ event AddressSetAsProxy( bytes32 indexed id, address indexed proxyAddress, address oldImplementationAddress, address indexed newImplementationAddress ); /** * @notice Returns the id of the Aave 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 Aave 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 0.8.10; /** * @title IScaledBalanceToken * @author Aave * @notice Defines the basic interface for a scaledbalance 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 scaled balance tokens * @param value The amount being minted (user entered amount + balance increase from interest) * @param balanceIncrease The increase in balance since the last action of the user * @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 scaled balance tokens are burned * @param from The address from which the scaled tokens will be burned * @param target The address that will receive the underlying, if any * @param value The amount being burned (user entered amount - balance increase from interest) * @param balanceIncrease The increase in balance since the last action of the user * @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 0.8.10; import {IScaledBalanceToken} from './IScaledBalanceToken.sol'; import {IInitializableDebtToken} from './IInitializableDebtToken.sol'; /** * @title IVariableDebtToken * @author Aave * @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: AGPL-3.0 pragma solidity 0.8.10; /** * @title VersionedInitializable * @author Aave, inspired by the OpenZeppelin Initializable contract * @notice Helper contract to implement initializer functions. To use it, replace * the constructor with a function that has the `initializer` modifier. * @dev WARNING: Unlike constructors, initializer functions must be manually * invoked. This applies both to deploying an Initializable contract, as well * as extending an Initializable contract via inheritance. * WARNING: When used with inheritance, manual care must be taken to not invoke * a parent initializer twice, or ensure that all initializers are idempotent, * because this is not dealt with automatically as with constructors. */ abstract contract VersionedInitializable { /** * @dev Indicates that the contract has been initialized. */ uint256 private lastInitializedRevision = 0; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private initializing; /** * @dev Modifier to use in the initializer function of a contract. */ modifier initializer() { uint256 revision = getRevision(); require( initializing || isConstructor() || revision > lastInitializedRevision, 'Contract instance has already been initialized' ); bool isTopLevelCall = !initializing; if (isTopLevelCall) { initializing = true; lastInitializedRevision = revision; } _; if (isTopLevelCall) { initializing = false; } } /** * @notice Returns the revision number of the contract * @dev Needs to be defined in the inherited class as a constant. * @return The revision number **/ function getRevision() internal pure virtual returns (uint256); /** * @notice Returns true if and only if the function is running in the constructor * @return True if the function is running in the constructor **/ function isConstructor() private view returns (bool) { // extcodesize checks the size of the code stored in an address, and // address returns the current address. Since the code is still not // deployed when running a constructor, any checks on its code size will // yield zero, making it an effective way to detect if a contract is // under construction or not. uint256 cs; //solium-disable-next-line assembly { cs := extcodesize(address()) } return cs == 0; } // Reserved storage space to allow for layout changes in the future. uint256[50] private ______gap; }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.10; /** * @title Errors library * @author Aave * @notice Defines the error messages emitted by the different contracts of the Aave 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 CALLER_NOT_BRIDGE = '6'; // 'The caller of the function is not a bridge' 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_ATOKEN = '11'; // 'The caller of the function is not an AToken' 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 EMODE_CATEGORY_RESERVED = '16'; // 'Zero eMode category is reserved for volatile heterogeneous assets' string public constant INVALID_EMODE_CATEGORY_ASSIGNMENT = '17'; // 'Invalid eMode category assignment to asset' 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 INVALID_EMODE_CATEGORY_PARAMS = '21'; // 'Invalid risk parameters for the eMode category' string public constant BRIDGE_PROTOCOL_FEE_INVALID = '22'; // 'Invalid bridge protocol fee' 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 STABLE_BORROWING_NOT_ENABLED = '31'; // 'Stable 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 AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE = '38'; // 'The requested amount is greater than the max loan size in stable rate mode' string public constant NO_DEBT_OF_SELECTED_TYPE = '39'; // 'For repayment of a specific type of debt, the user needs to have debt that type' 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_STABLE_DEBT = '41'; // 'User does not have outstanding stable rate debt on this reserve' 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 SAME_BLOCK_BORROW_REPAY = '48'; // 'Borrow and repay in same block is not allowed' 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 UNBACKED_MINT_CAP_EXCEEDED = '52'; // 'Unbacked mint cap is exceeded' string public constant DEBT_CEILING_EXCEEDED = '53'; // 'Debt ceiling is exceeded' string public constant ATOKEN_SUPPLY_NOT_ZERO = '54'; // 'AToken supply is not zero' string public constant STABLE_DEBT_NOT_ZERO = '55'; // 'Stable debt supply is not zero' 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 INCONSISTENT_EMODE_CATEGORY = '58'; // 'Inconsistent eMode category' string public constant PRICE_ORACLE_SENTINEL_CHECK_FAILED = '59'; // 'Price oracle sentinel validation failed' string public constant ASSET_NOT_BORROWABLE_IN_ISOLATION = '60'; // 'Asset is not borrowable in isolation mode' string public constant RESERVE_ALREADY_INITIALIZED = '61'; // 'Reserve has already been initialized' string public constant USER_IN_ISOLATION_MODE = '62'; // 'User is in isolation mode' 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_EMODE_CATEGORY = '71'; // 'Invalid eMode category for the reserve' string public constant INVALID_UNBACKED_MINT_CAP = '72'; // 'Invalid unbacked mint cap 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 INVALID_OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO = '84'; // 'Invalid optimal stable to total debt 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 STABLE_BORROWING_ENABLED = '88'; // 'Stable borrowing is enabled' string public constant SILOED_BORROWING_VIOLATION = '89'; // 'User is trying to borrow multiple assets including a siloed one' string public constant RESERVE_DEBT_NOT_ZERO = '90'; // the total debt of the reserve needs to be 0 }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.10; /** * @title WadRayMath library * @author Aave * @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 0.8.10; 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; //the current stable borrow rate. Expressed in ray uint128 currentStableBorrowRate; //timestamp of last update uint40 lastUpdateTimestamp; //the id of the reserve. Represents the position in the list of the active reserves uint16 id; //aToken address address aTokenAddress; //stableDebtToken address address stableDebtTokenAddress; //variableDebtToken address address variableDebtTokenAddress; //address of the interest rate strategy address interestRateStrategyAddress; //the current treasury balance, scaled uint128 accruedToTreasury; //the outstanding unbacked aTokens minted through the bridging feature uint128 unbacked; //the outstanding debt borrowed against this asset in isolation mode uint128 isolationModeTotalDebt; } 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 62-63: reserved //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 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 EModeCategory { // each eMode category has a custom ltv and liquidation threshold uint16 ltv; uint16 liquidationThreshold; uint16 liquidationBonus; // each eMode category may or may not have a custom oracle to override the individual assets price oracles address priceSource; string label; } enum InterestRateMode { NONE, STABLE, VARIABLE } struct ReserveCache { uint256 currScaledVariableDebt; uint256 nextScaledVariableDebt; uint256 currPrincipalStableDebt; uint256 currAvgStableBorrowRate; uint256 currTotalStableDebt; uint256 nextAvgStableBorrowRate; uint256 nextTotalStableDebt; uint256 currLiquidityIndex; uint256 nextLiquidityIndex; uint256 currVariableBorrowIndex; uint256 nextVariableBorrowIndex; uint256 currLiquidityRate; uint256 currVariableBorrowRate; uint256 reserveFactor; ReserveConfigurationMap reserveConfiguration; address aTokenAddress; address stableDebtTokenAddress; address variableDebtTokenAddress; uint40 reserveLastUpdateTimestamp; uint40 stableDebtLastUpdateTimestamp; } struct ExecuteLiquidationCallParams { uint256 reservesCount; uint256 debtToCover; address collateralAsset; address debtAsset; address user; bool receiveAToken; address priceOracle; uint8 userEModeCategory; address priceOracleSentinel; } struct ExecuteSupplyParams { address asset; uint256 amount; address onBehalfOf; uint16 referralCode; } struct ExecuteBorrowParams { address asset; address user; address onBehalfOf; uint256 amount; InterestRateMode interestRateMode; uint16 referralCode; bool releaseUnderlying; uint256 maxStableRateBorrowSizePercent; uint256 reservesCount; address oracle; uint8 userEModeCategory; address priceOracleSentinel; } struct ExecuteRepayParams { address asset; uint256 amount; InterestRateMode interestRateMode; address onBehalfOf; bool useATokens; } struct ExecuteWithdrawParams { address asset; uint256 amount; address to; uint256 reservesCount; address oracle; uint8 userEModeCategory; } struct ExecuteSetUserEModeParams { uint256 reservesCount; address oracle; uint8 categoryId; } struct FinalizeTransferParams { address asset; address from; address to; uint256 amount; uint256 balanceFromBefore; uint256 balanceToBefore; uint256 reservesCount; address oracle; uint8 fromEModeCategory; } struct FlashloanParams { address receiverAddress; address[] assets; uint256[] amounts; uint256[] interestRateModes; address onBehalfOf; bytes params; uint16 referralCode; uint256 flashLoanPremiumToProtocol; uint256 flashLoanPremiumTotal; uint256 maxStableRateBorrowSizePercent; uint256 reservesCount; address addressesProvider; uint8 userEModeCategory; 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; uint8 userEModeCategory; } struct ValidateBorrowParams { ReserveCache reserveCache; UserConfigurationMap userConfig; address asset; address userAddress; uint256 amount; InterestRateMode interestRateMode; uint256 maxStableLoanPercent; uint256 reservesCount; address oracle; uint8 userEModeCategory; address priceOracleSentinel; bool isolationModeActive; address isolationModeCollateralAddress; uint256 isolationModeDebtCeiling; } struct ValidateLiquidationCallParams { ReserveCache debtReserveCache; uint256 totalDebt; uint256 healthFactor; address priceOracleSentinel; } struct CalculateInterestRatesParams { uint256 unbacked; uint256 liquidityAdded; uint256 liquidityTaken; uint256 totalStableDebt; uint256 totalVariableDebt; uint256 averageStableBorrowRate; uint256 reserveFactor; address reserve; address aToken; } struct InitReserveParams { address asset; address aTokenAddress; address stableDebtAddress; address variableDebtAddress; address interestRateStrategyAddress; uint16 reservesCount; uint16 maxNumberReserves; } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.10; import {Context} from '../../../dependencies/openzeppelin/contracts/Context.sol'; import {Errors} from '../../libraries/helpers/Errors.sol'; import {VersionedInitializable} from '../../libraries/aave-upgradeability/VersionedInitializable.sol'; import {ICreditDelegationToken} from '../../../interfaces/ICreditDelegationToken.sol'; import {EIP712Base} from './EIP712Base.sol'; /** * @title DebtTokenBase * @author Aave * @notice Base contract for different types of debt tokens, like StableDebtToken or VariableDebtToken */ abstract contract DebtTokenBase is VersionedInitializable, EIP712Base, Context, ICreditDelegationToken { // Map of borrow allowances (delegator => delegatee => borrowAllowanceAmount) mapping(address => mapping(address => uint256)) internal _borrowAllowances; // Credit Delegation Typehash bytes32 public constant DELEGATION_WITH_SIG_TYPEHASH = keccak256('DelegationWithSig(address delegatee,uint256 value,uint256 nonce,uint256 deadline)'); address internal _underlyingAsset; /** * @dev Constructor. */ constructor() EIP712Base() { // Intentionally left blank } /// @inheritdoc ICreditDelegationToken function approveDelegation(address delegatee, uint256 amount) external override { _approveDelegation(_msgSender(), delegatee, amount); } /// @inheritdoc ICreditDelegationToken function delegationWithSig( address delegator, address delegatee, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external { require(delegator != address(0), Errors.ZERO_ADDRESS_NOT_VALID); //solium-disable-next-line require(block.timestamp <= deadline, Errors.INVALID_EXPIRATION); uint256 currentValidNonce = _nonces[delegator]; bytes32 digest = keccak256( abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR(), keccak256( abi.encode(DELEGATION_WITH_SIG_TYPEHASH, delegatee, value, currentValidNonce, deadline) ) ) ); require(delegator == ecrecover(digest, v, r, s), Errors.INVALID_SIGNATURE); _nonces[delegator] = currentValidNonce + 1; _approveDelegation(delegator, delegatee, value); } /// @inheritdoc ICreditDelegationToken function borrowAllowance(address fromUser, address toUser) external view override returns (uint256) { return _borrowAllowances[fromUser][toUser]; } /** * @notice Updates the borrow allowance of a user on the specific debt token. * @param delegator The address delegating the borrowing power * @param delegatee The address receiving the delegated borrowing power * @param amount The allowance amount being delegated. **/ function _approveDelegation( address delegator, address delegatee, uint256 amount ) internal { _borrowAllowances[delegator][delegatee] = amount; emit BorrowAllowanceDelegated(delegator, delegatee, _underlyingAsset, amount); } /** * @notice Decreases the borrow allowance of a user on the specific debt token. * @param delegator The address delegating the borrowing power * @param delegatee The address receiving the delegated borrowing power * @param amount The amount to subtract from the current allowance **/ function _decreaseBorrowAllowance( address delegator, address delegatee, uint256 amount ) internal { uint256 newAllowance = _borrowAllowances[delegator][delegatee] - amount; _borrowAllowances[delegator][delegatee] = newAllowance; emit BorrowAllowanceDelegated(delegator, delegatee, _underlyingAsset, newAllowance); } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.8.10; /** * @title EIP712Base * @author Aave * @notice Base contract implementation of EIP712. */ abstract contract EIP712Base { bytes public constant EIP712_REVISION = bytes('1'); bytes32 internal constant EIP712_DOMAIN = keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'); // Map of address nonces (address => nonce) mapping(address => uint256) internal _nonces; bytes32 internal _domainSeparator; uint256 internal immutable _chainId; /** * @dev Constructor. */ constructor() { _chainId = block.chainid; } /** * @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() public view virtual returns (bytes32) { if (block.chainid == _chainId) { return _domainSeparator; } return _calculateDomainSeparator(); } /** * @notice Returns the nonce value for address specified as parameter * @param owner The address for which the nonce is being returned * @return The nonce value for the input address` */ function nonces(address owner) public view virtual returns (uint256) { return _nonces[owner]; } /** * @notice Compute the current domain separator * @return The domain separator for the token */ function _calculateDomainSeparator() internal view returns (bytes32) { return keccak256( abi.encode( EIP712_DOMAIN, keccak256(bytes(_EIP712BaseId())), keccak256(EIP712_REVISION), block.chainid, address(this) ) ); } /** * @notice Returns the user readable name of signing domain (e.g. token name) * @return The name of the signing domain */ function _EIP712BaseId() internal view virtual returns (string memory); }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.10; import {Context} from '../../../dependencies/openzeppelin/contracts/Context.sol'; import {IERC20} from '../../../dependencies/openzeppelin/contracts/IERC20.sol'; import {IERC20Detailed} from '../../../dependencies/openzeppelin/contracts/IERC20Detailed.sol'; import {SafeCast} from '../../../dependencies/openzeppelin/contracts/SafeCast.sol'; import {WadRayMath} from '../../libraries/math/WadRayMath.sol'; import {Errors} from '../../libraries/helpers/Errors.sol'; import {IAaveIncentivesController} from '../../../interfaces/IAaveIncentivesController.sol'; import {IPoolAddressesProvider} from '../../../interfaces/IPoolAddressesProvider.sol'; import {IPool} from '../../../interfaces/IPool.sol'; import {IACLManager} from '../../../interfaces/IACLManager.sol'; /** * @title IncentivizedERC20 * @author Aave, inspired by the Openzeppelin ERC20 implementation * @notice Basic ERC20 implementation **/ abstract contract IncentivizedERC20 is Context, IERC20Detailed { using WadRayMath for uint256; using SafeCast for uint256; /** * @dev Only pool admin can call functions marked by this modifier. **/ modifier onlyPoolAdmin() { IACLManager aclManager = IACLManager(_addressesProvider.getACLManager()); require(aclManager.isPoolAdmin(msg.sender), Errors.CALLER_NOT_POOL_ADMIN); _; } /** * @dev Only pool can call functions marked by this modifier. **/ modifier onlyPool() { require(_msgSender() == address(POOL), Errors.CALLER_MUST_BE_POOL); _; } /** * @dev UserState - additionalData is a flexible field. * ATokens and VariableDebtTokens use this field store the index of the * user's last supply/withdrawal/borrow/repayment. StableDebtTokens use * this field to store the user's stable rate. */ struct UserState { uint128 balance; uint128 additionalData; } // Map of users address and their state data (userAddress => userStateData) mapping(address => UserState) internal _userState; // Map of allowances (delegator => delegatee => allowanceAmount) mapping(address => mapping(address => uint256)) private _allowances; uint256 internal _totalSupply; string private _name; string private _symbol; uint8 private _decimals; IAaveIncentivesController internal _incentivesController; IPoolAddressesProvider internal immutable _addressesProvider; IPool public immutable POOL; /** * @dev Constructor. * @param pool The reference to the main Pool contract * @param name The name of the token * @param symbol The symbol of the token * @param decimals The number of decimals of the token */ constructor( IPool pool, string memory name, string memory symbol, uint8 decimals ) { _addressesProvider = pool.ADDRESSES_PROVIDER(); _name = name; _symbol = symbol; _decimals = decimals; POOL = pool; } /// @inheritdoc IERC20Detailed function name() public view override returns (string memory) { return _name; } /// @inheritdoc IERC20Detailed function symbol() external view override returns (string memory) { return _symbol; } /// @inheritdoc IERC20Detailed function decimals() external view override returns (uint8) { return _decimals; } /// @inheritdoc IERC20 function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /// @inheritdoc IERC20 function balanceOf(address account) public view virtual override returns (uint256) { return _userState[account].balance; } /** * @notice Returns the address of the Incentives Controller contract * @return The address of the Incentives Controller **/ function getIncentivesController() external view virtual returns (IAaveIncentivesController) { return _incentivesController; } /** * @notice Sets a new Incentives Controller * @param controller the new Incentives controller **/ function setIncentivesController(IAaveIncentivesController controller) external onlyPoolAdmin { _incentivesController = controller; } /// @inheritdoc IERC20 function transfer(address recipient, uint256 amount) external virtual override returns (bool) { uint128 castAmount = amount.toUint128(); _transfer(_msgSender(), recipient, castAmount); return true; } /// @inheritdoc IERC20 function allowance(address owner, address spender) external view virtual override returns (uint256) { return _allowances[owner][spender]; } /// @inheritdoc IERC20 function approve(address spender, uint256 amount) external virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /// @inheritdoc IERC20 function transferFrom( address sender, address recipient, uint256 amount ) external virtual override returns (bool) { uint128 castAmount = amount.toUint128(); _approve(sender, _msgSender(), _allowances[sender][_msgSender()] - castAmount); _transfer(sender, recipient, castAmount); return true; } /** * @notice Increases the allowance of spender to spend _msgSender() tokens * @param spender The user allowed to spend on behalf of _msgSender() * @param addedValue The amount being added to the allowance * @return `true` **/ function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /** * @notice Decreases the allowance of spender to spend _msgSender() tokens * @param spender The user allowed to spend on behalf of _msgSender() * @param subtractedValue The amount being subtracted to the allowance * @return `true` **/ function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] - subtractedValue); return true; } /** * @notice Transfers tokens between two users and apply incentives if defined. * @param sender The source address * @param recipient The destination address * @param amount The amount getting transferred */ function _transfer( address sender, address recipient, uint128 amount ) internal virtual { uint128 oldSenderBalance = _userState[sender].balance; _userState[sender].balance = oldSenderBalance - amount; uint128 oldRecipientBalance = _userState[recipient].balance; _userState[recipient].balance = oldRecipientBalance + amount; IAaveIncentivesController incentivesControllerLocal = _incentivesController; if (address(incentivesControllerLocal) != address(0)) { uint256 currentTotalSupply = _totalSupply; incentivesControllerLocal.handleAction(sender, currentTotalSupply, oldSenderBalance); if (sender != recipient) { incentivesControllerLocal.handleAction(recipient, currentTotalSupply, oldRecipientBalance); } } emit Transfer(sender, recipient, amount); } /** * @notice Approve `spender` to use `amount` of `owner`s balance * @param owner The address owning the tokens * @param spender The address approved for spending * @param amount The amount of tokens to approve spending of */ function _approve( address owner, address spender, uint256 amount ) internal virtual { _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @notice Update the name of the token * @param newName The new name for the token */ function _setName(string memory newName) internal { _name = newName; } /** * @notice Update the symbol for the token * @param newSymbol The new symbol for the token */ function _setSymbol(string memory newSymbol) internal { _symbol = newSymbol; } /** * @notice Update the number of decimals for the token * @param newDecimals The new number of decimals for the token */ function _setDecimals(uint8 newDecimals) internal { _decimals = newDecimals; } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.8.10; import {IAaveIncentivesController} from '../../../interfaces/IAaveIncentivesController.sol'; import {IPool} from '../../../interfaces/IPool.sol'; import {IncentivizedERC20} from './IncentivizedERC20.sol'; /** * @title MintableIncentivizedERC20 * @author Aave * @notice Implements mint and burn functions for IncentivizedERC20 **/ abstract contract MintableIncentivizedERC20 is IncentivizedERC20 { /** * @dev Constructor. * @param pool The reference to the main Pool contract * @param name The name of the token * @param symbol The symbol of the token * @param decimals The number of decimals of the token */ constructor( IPool pool, string memory name, string memory symbol, uint8 decimals ) IncentivizedERC20(pool, name, symbol, decimals) { // Intentionally left blank } /** * @notice Mints tokens to an account and apply incentives if defined * @param account The address receiving tokens * @param amount The amount of tokens to mint */ function _mint(address account, uint128 amount) internal virtual { uint256 oldTotalSupply = _totalSupply; _totalSupply = oldTotalSupply + amount; uint128 oldAccountBalance = _userState[account].balance; _userState[account].balance = oldAccountBalance + amount; IAaveIncentivesController incentivesControllerLocal = _incentivesController; if (address(incentivesControllerLocal) != address(0)) { incentivesControllerLocal.handleAction(account, oldTotalSupply, oldAccountBalance); } } /** * @notice Burns tokens from an account and apply incentives if defined * @param account The account whose tokens are burnt * @param amount The amount of tokens to burn */ function _burn(address account, uint128 amount) internal virtual { uint256 oldTotalSupply = _totalSupply; _totalSupply = oldTotalSupply - amount; uint128 oldAccountBalance = _userState[account].balance; _userState[account].balance = oldAccountBalance - amount; IAaveIncentivesController incentivesControllerLocal = _incentivesController; if (address(incentivesControllerLocal) != address(0)) { incentivesControllerLocal.handleAction(account, oldTotalSupply, oldAccountBalance); } } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.8.10; import {SafeCast} from '../../../dependencies/openzeppelin/contracts/SafeCast.sol'; import {Errors} from '../../libraries/helpers/Errors.sol'; import {WadRayMath} from '../../libraries/math/WadRayMath.sol'; import {IPool} from '../../../interfaces/IPool.sol'; import {IScaledBalanceToken} from '../../../interfaces/IScaledBalanceToken.sol'; import {MintableIncentivizedERC20} from './MintableIncentivizedERC20.sol'; /** * @title ScaledBalanceTokenBase * @author Aave * @notice Basic ERC20 implementation of scaled balance token **/ abstract contract ScaledBalanceTokenBase is MintableIncentivizedERC20, IScaledBalanceToken { using WadRayMath for uint256; using SafeCast for uint256; /** * @dev Constructor. * @param pool The reference to the main Pool contract * @param name The name of the token * @param symbol The symbol of the token * @param decimals The number of decimals of the token */ constructor( IPool pool, string memory name, string memory symbol, uint8 decimals ) MintableIncentivizedERC20(pool, name, symbol, decimals) { // Intentionally left blank } /// @inheritdoc IScaledBalanceToken function scaledBalanceOf(address user) external view override returns (uint256) { return super.balanceOf(user); } /// @inheritdoc IScaledBalanceToken function getScaledUserBalanceAndSupply(address user) external view override returns (uint256, uint256) { return (super.balanceOf(user), super.totalSupply()); } /// @inheritdoc IScaledBalanceToken function scaledTotalSupply() public view virtual override returns (uint256) { return super.totalSupply(); } /// @inheritdoc IScaledBalanceToken function getPreviousIndex(address user) external view virtual override returns (uint256) { return _userState[user].additionalData; } /** * @notice Implements the basic logic to mint a scaled balance token. * @param caller The address performing the mint * @param onBehalfOf The address of the user that will receive the scaled tokens * @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 _mintScaled( address caller, address onBehalfOf, uint256 amount, uint256 index ) internal returns (bool) { uint256 amountScaled = amount.rayDiv(index); require(amountScaled != 0, Errors.INVALID_MINT_AMOUNT); uint256 scaledBalance = super.balanceOf(onBehalfOf); uint256 balanceIncrease = scaledBalance.rayMul(index) - scaledBalance.rayMul(_userState[onBehalfOf].additionalData); _userState[onBehalfOf].additionalData = index.toUint128(); _mint(onBehalfOf, amountScaled.toUint128()); uint256 amountToMint = amount + balanceIncrease; emit Transfer(address(0), onBehalfOf, amountToMint); emit Mint(caller, onBehalfOf, amountToMint, balanceIncrease, index); return (scaledBalance == 0); } /** * @notice Implements the basic logic to burn a scaled balance token. * @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 user The user which debt is burnt * @param amount The amount getting burned * @param index The variable debt index of the reserve **/ function _burnScaled( address user, address target, uint256 amount, uint256 index ) internal { uint256 amountScaled = amount.rayDiv(index); require(amountScaled != 0, Errors.INVALID_BURN_AMOUNT); uint256 scaledBalance = super.balanceOf(user); uint256 balanceIncrease = scaledBalance.rayMul(index) - scaledBalance.rayMul(_userState[user].additionalData); _userState[user].additionalData = index.toUint128(); _burn(user, amountScaled.toUint128()); if (balanceIncrease > amount) { uint256 amountToMint = balanceIncrease - amount; emit Transfer(address(0), user, amountToMint); emit Mint(user, user, amountToMint, balanceIncrease, index); } else { uint256 amountToBurn = amount - balanceIncrease; emit Transfer(user, address(0), amountToBurn); emit Burn(user, target, amountToBurn, balanceIncrease, index); } } }
{ "evmVersion": "berlin", "libraries": {}, "metadata": { "bytecodeHash": "ipfs", "useLiteralContent": true }, "optimizer": { "enabled": true, "runs": 100000 }, "remappings": [], "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
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IPool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"UNDERLYING_ASSET_ADDRESS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approveDelegation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"fromUser","type":"address"},{"internalType":"address","name":"toUser","type":"address"}],"name":"borrowAllowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"burn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegator","type":"address"},{"internalType":"address","name":"delegatee","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"delegationWithSig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getIncentivesController","outputs":[{"internalType":"contract IAaveIncentivesController","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getPreviousIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getScaledUserBalanceAndSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract 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IAaveIncentivesController","name":"incentivesController","type":"address"},{"internalType":"uint8","name":"debtTokenDecimals","type":"uint8"},{"internalType":"string","name":"debtTokenName","type":"string"},{"internalType":"string","name":"debtTokenSymbol","type":"string"},{"internalType":"bytes","name":"params","type":"bytes"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"onBehalfOf","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"scaledBalanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"scaledTotalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IAaveIncentivesController","name":"controller","type":"address"}],"name":"setIncentivesController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000794a61358d6845594f94dc1db02a252b5b4814ad
-----Decoded View---------------
Arg [0] : pool (address): 0x794a61358D6845594F94dc1DB02A252b5b4814aD
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000794a61358d6845594f94dc1db02a252b5b4814ad
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Multichain Portfolio | 30 Chains
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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.