Latest 25 from a total of 8,029 transactions
| Transaction Hash |
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|---|---|---|---|---|---|---|---|---|---|
| Swap And Repay | 147270160 | 9 mins ago | IN | 0 ETH | 0.000001030274 | ||||
| Swap And Repay | 147252461 | 9 hrs ago | IN | 0 ETH | 0.000000110042 | ||||
| Swap And Repay | 147252410 | 10 hrs ago | IN | 0 ETH | 0.000000098548 | ||||
| Swap And Repay | 147246344 | 13 hrs ago | IN | 0 ETH | 0.000000124738 | ||||
| Swap And Repay | 147243753 | 14 hrs ago | IN | 0 ETH | 0.000000103502 | ||||
| Swap And Repay | 147243579 | 14 hrs ago | IN | 0 ETH | 0.000000133716 | ||||
| Swap And Repay | 147243502 | 14 hrs ago | IN | 0 ETH | 0.000000120182 | ||||
| Swap And Repay | 147243192 | 15 hrs ago | IN | 0 ETH | 0.000000120554 | ||||
| Swap And Repay | 147243148 | 15 hrs ago | IN | 0 ETH | 0.000000120616 | ||||
| Swap And Repay | 147243126 | 15 hrs ago | IN | 0 ETH | 0.000000120264 | ||||
| Swap And Repay | 147215537 | 30 hrs ago | IN | 0 ETH | 0.000000099839 | ||||
| Swap And Repay | 147208379 | 34 hrs ago | IN | 0 ETH | 0.000000436242 | ||||
| Swap And Repay | 147195955 | 41 hrs ago | IN | 0 ETH | 0.000001374867 | ||||
| Swap And Repay | 147194718 | 42 hrs ago | IN | 0 ETH | 0.000001167152 | ||||
| Swap And Repay | 147191356 | 43 hrs ago | IN | 0 ETH | 0.000001260281 | ||||
| Swap And Repay | 147190120 | 44 hrs ago | IN | 0 ETH | 0.000000239636 | ||||
| Swap And Repay | 147190040 | 44 hrs ago | IN | 0 ETH | 0.000000149534 | ||||
| Swap And Repay | 147190013 | 44 hrs ago | IN | 0 ETH | 0.000000214362 | ||||
| Swap And Repay | 147189979 | 44 hrs ago | IN | 0 ETH | 0.000000229587 | ||||
| Swap And Repay | 147186079 | 46 hrs ago | IN | 0 ETH | 0.00000024334 | ||||
| Swap And Repay | 147172137 | 2 days ago | IN | 0 ETH | 0.000000103995 | ||||
| Swap And Repay | 147146338 | 2 days ago | IN | 0 ETH | 0.000000404304 | ||||
| Swap And Repay | 147144997 | 2 days ago | IN | 0 ETH | 0.000000350283 | ||||
| Swap And Repay | 147144939 | 2 days ago | IN | 0 ETH | 0.000000390769 | ||||
| Swap And Repay | 147144910 | 2 days ago | IN | 0 ETH | 0.000000465516 |
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Contract Name:
ParaSwapRepayAdapter
Compiler Version
v0.8.19+commit.7dd6d404
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.10;
import {DataTypes} from 'aave-v3-core/contracts/protocol/libraries/types/DataTypes.sol';
import {IERC20Detailed} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/IERC20Detailed.sol';
import {IERC20} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/IERC20.sol';
import {IERC20WithPermit} from 'aave-v3-core/contracts/interfaces/IERC20WithPermit.sol';
import {IPoolAddressesProvider} from 'aave-v3-core/contracts/interfaces/IPoolAddressesProvider.sol';
import {SafeERC20} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/SafeERC20.sol';
import {SafeMath} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/SafeMath.sol';
import {BaseParaSwapBuyAdapter} from './BaseParaSwapBuyAdapter.sol';
import {IParaSwapAugustusRegistry} from './interfaces/IParaSwapAugustusRegistry.sol';
import {IParaSwapAugustus} from './interfaces/IParaSwapAugustus.sol';
import {ReentrancyGuard} from '../../dependencies/openzeppelin/ReentrancyGuard.sol';
/**
* @title ParaSwapRepayAdapter
* @notice ParaSwap Adapter to perform a repay of a debt with collateral.
* @author Aave
**/
contract ParaSwapRepayAdapter is BaseParaSwapBuyAdapter, ReentrancyGuard {
using SafeMath for uint256;
using SafeERC20 for IERC20;
struct RepayParams {
address collateralAsset;
uint256 collateralAmount;
uint256 rateMode;
PermitSignature permitSignature;
bool useEthPath;
}
constructor(
IPoolAddressesProvider addressesProvider,
IParaSwapAugustusRegistry augustusRegistry,
address owner
) BaseParaSwapBuyAdapter(addressesProvider, augustusRegistry) {
transferOwnership(owner);
}
/**
* @dev Uses the received funds from the flash loan to repay a debt on the protocol on behalf of the user. Then pulls
* the collateral from the user and swaps it to the debt asset to repay the flash loan.
* The user should give this contract allowance to pull the ATokens in order to withdraw the underlying asset, swap it
* and repay the flash loan.
* Supports only one asset on the flash loan.
* @param asset The address of the flash-borrowed asset
* @param amount The amount of the flash-borrowed asset
* @param premium The fee of the flash-borrowed asset
* @param initiator The address of the flashloan initiator
* @param params The byte-encoded params passed when initiating the flashloan
* @return True if the execution of the operation succeeds, false otherwise
* IERC20Detailed debtAsset Address of the debt asset
* uint256 debtAmount Amount of debt to be repaid
* uint256 rateMode Rate modes of the debt to be repaid
* uint256 deadline Deadline for the permit signature
* uint256 debtRateMode Rate mode of the debt to be repaid
* bytes paraswapData Paraswap Data
* * bytes buyCallData Call data for augustus
* * IParaSwapAugustus augustus Address of Augustus Swapper
* PermitSignature permitParams Struct containing the permit signatures, set to all zeroes if not used
*/
function executeOperation(
address asset,
uint256 amount,
uint256 premium,
address initiator,
bytes calldata params
) external override nonReentrant returns (bool) {
require(msg.sender == address(POOL), 'CALLER_MUST_BE_POOL');
uint256 collateralAmount = amount;
address initiatorLocal = initiator;
IERC20Detailed collateralAsset = IERC20Detailed(asset);
_swapAndRepay(params, premium, initiatorLocal, collateralAsset, collateralAmount);
return true;
}
/**
* @dev Swaps the user collateral for the debt asset and then repay the debt on the protocol on behalf of the user
* without using flash loans. This method can be used when the temporary transfer of the collateral asset to this
* contract does not affect the user position.
* The user should give this contract allowance to pull the ATokens in order to withdraw the underlying asset
* @param collateralAsset Address of asset to be swapped
* @param debtAsset Address of debt asset
* @param collateralAmount max Amount of the collateral to be swapped
* @param debtRepayAmount Amount of the debt to be repaid, or maximum amount when repaying entire debt
* @param debtRateMode Rate mode of the debt to be repaid
* @param buyAllBalanceOffset Set to offset of toAmount in Augustus calldata if wanting to pay entire debt, otherwise 0
* @param paraswapData Data for Paraswap Adapter
* @param permitSignature struct containing the permit signature
*/
function swapAndRepay(
IERC20Detailed collateralAsset,
IERC20Detailed debtAsset,
uint256 collateralAmount,
uint256 debtRepayAmount,
uint256 debtRateMode,
uint256 buyAllBalanceOffset,
bytes calldata paraswapData,
PermitSignature calldata permitSignature
) external nonReentrant {
debtRepayAmount = getDebtRepayAmount(
debtAsset,
debtRateMode,
buyAllBalanceOffset,
debtRepayAmount,
msg.sender
);
// Pull aTokens from user
_pullATokenAndWithdraw(address(collateralAsset), msg.sender, collateralAmount, permitSignature);
//buy debt asset using collateral asset
(uint256 amountSold, uint256 amountBought) = _buyOnParaSwap(
buyAllBalanceOffset,
paraswapData,
collateralAsset,
debtAsset,
collateralAmount,
debtRepayAmount
);
uint256 collateralBalanceLeft = collateralAmount - amountSold;
//deposit collateral back in the pool, if left after the swap(buy)
if (collateralBalanceLeft > 0) {
IERC20(collateralAsset).safeApprove(address(POOL), collateralBalanceLeft);
POOL.deposit(address(collateralAsset), collateralBalanceLeft, msg.sender, 0);
IERC20(collateralAsset).safeApprove(address(POOL), 0);
}
// Repay debt. Approves 0 first to comply with tokens that implement the anti frontrunning approval fix
IERC20(debtAsset).safeApprove(address(POOL), debtRepayAmount);
POOL.repay(address(debtAsset), debtRepayAmount, debtRateMode, msg.sender);
IERC20(debtAsset).safeApprove(address(POOL), 0);
{
//transfer excess of debtAsset back to the user, if any
uint256 debtAssetExcess = amountBought - debtRepayAmount;
if (debtAssetExcess > 0) {
IERC20(debtAsset).safeTransfer(msg.sender, debtAssetExcess);
}
}
}
/**
* @dev Perform the repay of the debt, pulls the initiator collateral and swaps to repay the flash loan
* @param premium Fee of the flash loan
* @param initiator Address of the user
* @param collateralAsset Address of token to be swapped
* @param collateralAmount Amount of the reserve to be swapped(flash loan amount)
*/
function _swapAndRepay(
bytes calldata params,
uint256 premium,
address initiator,
IERC20Detailed collateralAsset,
uint256 collateralAmount
) private {
(
IERC20Detailed debtAsset,
uint256 debtRepayAmount,
uint256 buyAllBalanceOffset,
uint256 rateMode,
bytes memory paraswapData,
PermitSignature memory permitSignature
) = abi.decode(params, (IERC20Detailed, uint256, uint256, uint256, bytes, PermitSignature));
debtRepayAmount = getDebtRepayAmount(
debtAsset,
rateMode,
buyAllBalanceOffset,
debtRepayAmount,
initiator
);
(uint256 amountSold, uint256 amountBought) = _buyOnParaSwap(
buyAllBalanceOffset,
paraswapData,
collateralAsset,
debtAsset,
collateralAmount,
debtRepayAmount
);
// Repay debt. Approves for 0 first to comply with tokens that implement the anti frontrunning approval fix.
IERC20(debtAsset).safeApprove(address(POOL), debtRepayAmount);
POOL.repay(address(debtAsset), debtRepayAmount, rateMode, initiator);
IERC20(debtAsset).safeApprove(address(POOL), 0);
uint256 neededForFlashLoanRepay = amountSold.add(premium);
// Pull aTokens from user
_pullATokenAndWithdraw(
address(collateralAsset),
initiator,
neededForFlashLoanRepay,
permitSignature
);
{
//transfer excess of debtAsset back to the user, if any
uint256 debtAssetExcess = amountBought - debtRepayAmount;
if (debtAssetExcess > 0) {
IERC20(debtAsset).safeTransfer(initiator, debtAssetExcess);
}
}
// Repay flashloan. Approves for 0 first to comply with tokens that implement the anti frontrunning approval fix.
IERC20(collateralAsset).safeApprove(address(POOL), 0);
IERC20(collateralAsset).safeApprove(address(POOL), collateralAmount.add(premium));
}
function getDebtRepayAmount(
IERC20Detailed debtAsset,
uint256 rateMode,
uint256 buyAllBalanceOffset,
uint256 debtRepayAmount,
address initiator
) private view returns (uint256) {
DataTypes.ReserveDataLegacy memory debtReserveData = _getReserveData(address(debtAsset));
address debtToken = DataTypes.InterestRateMode(rateMode) == DataTypes.InterestRateMode.STABLE
? debtReserveData.stableDebtTokenAddress
: debtReserveData.variableDebtTokenAddress;
uint256 currentDebt = IERC20(debtToken).balanceOf(initiator);
if (buyAllBalanceOffset != 0) {
require(currentDebt <= debtRepayAmount, 'INSUFFICIENT_AMOUNT_TO_REPAY');
debtRepayAmount = currentDebt;
} else {
require(debtRepayAmount <= currentDebt, 'INVALID_DEBT_REPAY_AMOUNT');
}
return debtRepayAmount;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library DataTypes {
/**
* This exists specifically to maintain the `getReserveData()` interface, since the new, internal
* `ReserveData` struct includes the reserve's `virtualUnderlyingBalance`.
*/
struct ReserveDataLegacy {
//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 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;
//timestamp until when liquidations are not allowed on the reserve, if set to past liquidations will be allowed
uint40 liquidationGracePeriodUntil;
//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;
//the amount of underlying accounted for by the protocol
uint128 virtualUnderlyingBalance;
}
struct ReserveConfigurationMap {
//bit 0-15: LTV
//bit 16-31: Liq. threshold
//bit 32-47: Liq. bonus
//bit 48-55: Decimals
//bit 56: reserve is active
//bit 57: reserve is frozen
//bit 58: borrowing is enabled
//bit 59: stable rate borrowing enabled
//bit 60: asset is paused
//bit 61: borrowing in isolation mode is enabled
//bit 62: siloed borrowing enabled
//bit 63: flashloaning enabled
//bit 64-79: reserve factor
//bit 80-115: borrow cap in whole tokens, borrowCap == 0 => no cap
//bit 116-151: supply cap in whole tokens, supplyCap == 0 => no cap
//bit 152-167: liquidation protocol fee
//bit 168-175: eMode category
//bit 176-211: unbacked mint cap in whole tokens, unbackedMintCap == 0 => minting disabled
//bit 212-251: debt ceiling for isolation mode with (ReserveConfiguration::DEBT_CEILING_DECIMALS) decimals
//bit 252: virtual accounting is enabled for the reserve
//bit 253-255 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;
address pool;
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;
bool usingVirtualBalance;
uint256 virtualUnderlyingBalance;
}
struct InitReserveParams {
address asset;
address aTokenAddress;
address stableDebtAddress;
address variableDebtAddress;
address interestRateStrategyAddress;
uint16 reservesCount;
uint16 maxNumberReserves;
}
}// SPDX-License-Identifier: MIT
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
pragma solidity ^0.8.0;
/**
* @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: MIT
pragma solidity ^0.8.0;
import {IERC20} from '../dependencies/openzeppelin/contracts/IERC20.sol';
/**
* @title IERC20WithPermit
* @author Aave
* @notice Interface for the permit function (EIP-2612)
*/
interface IERC20WithPermit is IERC20 {
/**
* @notice Allow passing a signed message to approve spending
* @dev implements the permit function as for
* https://github.com/ethereum/EIPs/blob/8a34d644aacf0f9f8f00815307fd7dd5da07655f/EIPS/eip-2612.md
* @param owner The owner of the funds
* @param spender The spender
* @param value The amount
* @param deadline The deadline timestamp, type(uint256).max for max deadline
* @param v Signature param
* @param s Signature param
* @param r Signature param
*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @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: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import './IERC20.sol';
import './Address.sol';
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(
token,
abi.encodeWithSelector(token.transferFrom.selector, from, to, value)
);
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
'SafeERC20: approve from non-zero to non-zero allowance'
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(
token,
abi.encodeWithSelector(token.approve.selector, spender, newAllowance)
);
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, 'SafeERC20: decreased allowance below zero');
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(
token,
abi.encodeWithSelector(token.approve.selector, spender, newAllowance)
);
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, 'SafeERC20: low-level call failed');
if (returndata.length > 0) {
// Return data is optional
require(abi.decode(returndata, (bool)), 'SafeERC20: ERC20 operation did not succeed');
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
/// @title Optimized overflow and underflow safe math operations
/// @notice Contains methods for doing math operations that revert on overflow or underflow for minimal gas cost
library SafeMath {
/// @notice Returns x + y, reverts if sum overflows uint256
/// @param x The augend
/// @param y The addend
/// @return z The sum of x and y
function add(uint256 x, uint256 y) internal pure returns (uint256 z) {
unchecked {
require((z = x + y) >= x);
}
}
/// @notice Returns x - y, reverts if underflows
/// @param x The minuend
/// @param y The subtrahend
/// @return z The difference of x and y
function sub(uint256 x, uint256 y) internal pure returns (uint256 z) {
unchecked {
require((z = x - y) <= x);
}
}
/// @notice Returns x - y, reverts if underflows
/// @param x The minuend
/// @param y The subtrahend
/// @param message The error msg
/// @return z The difference of x and y
function sub(uint256 x, uint256 y, string memory message) internal pure returns (uint256 z) {
unchecked {
require((z = x - y) <= x, message);
}
}
/// @notice Returns x * y, reverts if overflows
/// @param x The multiplicand
/// @param y The multiplier
/// @return z The product of x and y
function mul(uint256 x, uint256 y) internal pure returns (uint256 z) {
unchecked {
require(x == 0 || (z = x * y) / x == y);
}
}
/// @notice Returns x / y, reverts if overflows - no specific check, solidity reverts on division by 0
/// @param x The numerator
/// @param y The denominator
/// @return z The product of x and y
function div(uint256 x, uint256 y) internal pure returns (uint256 z) {
return x / y;
}
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.10;
import {SafeERC20} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/SafeERC20.sol';
import {SafeMath} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/SafeMath.sol';
import {PercentageMath} from 'aave-v3-core/contracts/protocol/libraries/math/PercentageMath.sol';
import {IPoolAddressesProvider} from 'aave-v3-core/contracts/interfaces/IPoolAddressesProvider.sol';
import {IERC20Detailed} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/IERC20Detailed.sol';
import {IParaSwapAugustus} from './interfaces/IParaSwapAugustus.sol';
import {IParaSwapAugustusRegistry} from './interfaces/IParaSwapAugustusRegistry.sol';
import {BaseParaSwapAdapter} from './BaseParaSwapAdapter.sol';
/**
* @title BaseParaSwapBuyAdapter
* @notice Implements the logic for buying tokens on ParaSwap
*/
abstract contract BaseParaSwapBuyAdapter is BaseParaSwapAdapter {
using PercentageMath for uint256;
using SafeMath for uint256;
using SafeERC20 for IERC20Detailed;
IParaSwapAugustusRegistry public immutable AUGUSTUS_REGISTRY;
constructor(
IPoolAddressesProvider addressesProvider,
IParaSwapAugustusRegistry augustusRegistry
) BaseParaSwapAdapter(addressesProvider) {
// Do something on Augustus registry to check the right contract was passed
require(!augustusRegistry.isValidAugustus(address(0)), 'Not a valid Augustus address');
AUGUSTUS_REGISTRY = augustusRegistry;
}
/**
* @dev Swaps a token for another using ParaSwap
* @param toAmountOffset Offset of toAmount in Augustus calldata if it should be overwritten, otherwise 0
* @param paraswapData Data for Paraswap Adapter
* @param assetToSwapFrom Address of the asset to be swapped from
* @param assetToSwapTo Address of the asset to be swapped to
* @param maxAmountToSwap Max amount to be swapped
* @param amountToReceive Amount to be received from the swap
* @return amountSold The amount sold during the swap
* @return amountBought The amount bought during the swap
*/
function _buyOnParaSwap(
uint256 toAmountOffset,
bytes memory paraswapData,
IERC20Detailed assetToSwapFrom,
IERC20Detailed assetToSwapTo,
uint256 maxAmountToSwap,
uint256 amountToReceive
) internal returns (uint256 amountSold, uint256 amountBought) {
(bytes memory buyCalldata, IParaSwapAugustus augustus) = abi.decode(
paraswapData,
(bytes, IParaSwapAugustus)
);
require(AUGUSTUS_REGISTRY.isValidAugustus(address(augustus)), 'INVALID_AUGUSTUS');
{
uint256 fromAssetDecimals = _getDecimals(assetToSwapFrom);
uint256 toAssetDecimals = _getDecimals(assetToSwapTo);
uint256 fromAssetPrice = _getPrice(address(assetToSwapFrom));
uint256 toAssetPrice = _getPrice(address(assetToSwapTo));
uint256 expectedMaxAmountToSwap = amountToReceive
.mul(toAssetPrice.mul(10 ** fromAssetDecimals))
.div(fromAssetPrice.mul(10 ** toAssetDecimals))
.percentMul(PercentageMath.PERCENTAGE_FACTOR.add(MAX_SLIPPAGE_PERCENT));
require(maxAmountToSwap <= expectedMaxAmountToSwap, 'maxAmountToSwap exceed max slippage');
}
uint256 balanceBeforeAssetFrom = assetToSwapFrom.balanceOf(address(this));
require(balanceBeforeAssetFrom >= maxAmountToSwap, 'INSUFFICIENT_BALANCE_BEFORE_SWAP');
uint256 balanceBeforeAssetTo = assetToSwapTo.balanceOf(address(this));
address tokenTransferProxy = augustus.getTokenTransferProxy();
assetToSwapFrom.safeApprove(tokenTransferProxy, maxAmountToSwap);
if (toAmountOffset != 0) {
// Ensure 256 bit (32 bytes) toAmountOffset value is within bounds of the
// calldata, not overlapping with the first 4 bytes (function selector).
require(
toAmountOffset >= 4 && toAmountOffset <= buyCalldata.length.sub(32),
'TO_AMOUNT_OFFSET_OUT_OF_RANGE'
);
// Overwrite the toAmount with the correct amount for the buy.
// In memory, buyCalldata consists of a 256 bit length field, followed by
// the actual bytes data, that is why 32 is added to the byte offset.
assembly {
mstore(add(buyCalldata, add(toAmountOffset, 32)), amountToReceive)
}
}
(bool success, ) = address(augustus).call(buyCalldata);
if (!success) {
// Copy revert reason from call
assembly {
returndatacopy(0, 0, returndatasize())
revert(0, returndatasize())
}
}
// Reset allowance
assetToSwapFrom.safeApprove(tokenTransferProxy, 0);
uint256 balanceAfterAssetFrom = assetToSwapFrom.balanceOf(address(this));
amountSold = balanceBeforeAssetFrom - balanceAfterAssetFrom;
require(amountSold <= maxAmountToSwap, 'WRONG_BALANCE_AFTER_SWAP');
amountBought = assetToSwapTo.balanceOf(address(this)).sub(balanceBeforeAssetTo);
require(amountBought >= amountToReceive, 'INSUFFICIENT_AMOUNT_RECEIVED');
emit Bought(address(assetToSwapFrom), address(assetToSwapTo), amountSold, amountBought);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
interface IParaSwapAugustusRegistry {
function isValidAugustus(address augustus) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
interface IParaSwapAugustus {
function getTokenTransferProxy() external view returns (address);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, 'ReentrancyGuard: reentrant call');
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
/**
* @dev As we use the guard with the proxy we need to init it with the empty value
*/
function _initGuard() internal {
_status = _NOT_ENTERED;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, 'Address: insufficient balance');
(bool success, ) = recipient.call{value: amount}('');
require(success, 'Address: unable to send value, recipient may have reverted');
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, 'Address: low-level call failed');
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, 'Address: low-level call with value failed');
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, 'Address: insufficient balance for call');
require(isContract(target), 'Address: call to non-contract');
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data
) internal view returns (bytes memory) {
return functionStaticCall(target, data, 'Address: low-level static call failed');
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), 'Address: static call to non-contract');
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, 'Address: low-level delegate call failed');
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), 'Address: delegate call to non-contract');
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
/**
* @title PercentageMath library
* @author Aave
* @notice Provides functions to perform percentage calculations
* @dev Percentages are defined by default with 2 decimals of precision (100.00). The precision is indicated by PERCENTAGE_FACTOR
* @dev Operations are rounded. If a value is >=.5, will be rounded up, otherwise rounded down.
*/
library PercentageMath {
// Maximum percentage factor (100.00%)
uint256 internal constant PERCENTAGE_FACTOR = 1e4;
// Half percentage factor (50.00%)
uint256 internal constant HALF_PERCENTAGE_FACTOR = 0.5e4;
/**
* @notice Executes a percentage multiplication
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param value The value of which the percentage needs to be calculated
* @param percentage The percentage of the value to be calculated
* @return result value percentmul percentage
*/
function percentMul(uint256 value, uint256 percentage) internal pure returns (uint256 result) {
// to avoid overflow, value <= (type(uint256).max - HALF_PERCENTAGE_FACTOR) / percentage
assembly {
if iszero(
or(
iszero(percentage),
iszero(gt(value, div(sub(not(0), HALF_PERCENTAGE_FACTOR), percentage)))
)
) {
revert(0, 0)
}
result := div(add(mul(value, percentage), HALF_PERCENTAGE_FACTOR), PERCENTAGE_FACTOR)
}
}
/**
* @notice Executes a percentage division
* @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
* @param value The value of which the percentage needs to be calculated
* @param percentage The percentage of the value to be calculated
* @return result value percentdiv percentage
*/
function percentDiv(uint256 value, uint256 percentage) internal pure returns (uint256 result) {
// to avoid overflow, value <= (type(uint256).max - halfPercentage) / PERCENTAGE_FACTOR
assembly {
if or(
iszero(percentage),
iszero(iszero(gt(value, div(sub(not(0), div(percentage, 2)), PERCENTAGE_FACTOR))))
) {
revert(0, 0)
}
result := div(add(mul(value, PERCENTAGE_FACTOR), div(percentage, 2)), percentage)
}
}
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.10;
import {DataTypes} from 'aave-v3-core/contracts/protocol/libraries/types/DataTypes.sol';
import {FlashLoanSimpleReceiverBase} from 'aave-v3-core/contracts/flashloan/base/FlashLoanSimpleReceiverBase.sol';
import {GPv2SafeERC20} from 'aave-v3-core/contracts/dependencies/gnosis/contracts/GPv2SafeERC20.sol';
import {IERC20} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/IERC20.sol';
import {IERC20Detailed} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/IERC20Detailed.sol';
import {IERC20WithPermit} from 'aave-v3-core/contracts/interfaces/IERC20WithPermit.sol';
import {IPoolAddressesProvider} from 'aave-v3-core/contracts/interfaces/IPoolAddressesProvider.sol';
import {IPriceOracleGetter} from 'aave-v3-core/contracts/interfaces/IPriceOracleGetter.sol';
import {SafeMath} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/SafeMath.sol';
import {Ownable} from 'aave-v3-core/contracts/dependencies/openzeppelin/contracts/Ownable.sol';
/**
* @title BaseParaSwapAdapter
* @notice Utility functions for adapters using ParaSwap
* @author Jason Raymond Bell
*/
abstract contract BaseParaSwapAdapter is FlashLoanSimpleReceiverBase, Ownable {
using SafeMath for uint256;
using GPv2SafeERC20 for IERC20;
using GPv2SafeERC20 for IERC20Detailed;
using GPv2SafeERC20 for IERC20WithPermit;
struct PermitSignature {
uint256 amount;
uint256 deadline;
uint8 v;
bytes32 r;
bytes32 s;
}
// Max slippage percent allowed
uint256 public constant MAX_SLIPPAGE_PERCENT = 3000; // 30%
IPriceOracleGetter public immutable ORACLE;
event Swapped(
address indexed fromAsset,
address indexed toAsset,
uint256 fromAmount,
uint256 receivedAmount
);
event Bought(
address indexed fromAsset,
address indexed toAsset,
uint256 amountSold,
uint256 receivedAmount
);
constructor(
IPoolAddressesProvider addressesProvider
) FlashLoanSimpleReceiverBase(addressesProvider) {
ORACLE = IPriceOracleGetter(addressesProvider.getPriceOracle());
}
/**
* @dev Get the price of the asset from the oracle denominated in eth
* @param asset address
* @return eth price for the asset
*/
function _getPrice(address asset) internal view returns (uint256) {
return ORACLE.getAssetPrice(asset);
}
/**
* @dev Get the decimals of an asset
* @return number of decimals of the asset
*/
function _getDecimals(IERC20Detailed asset) internal view returns (uint8) {
uint8 decimals = asset.decimals();
// Ensure 10**decimals won't overflow a uint256
require(decimals <= 77, 'TOO_MANY_DECIMALS_ON_TOKEN');
return decimals;
}
/**
* @dev Get the aToken associated to the asset
* @return address of the aToken
*/
function _getReserveData(
address asset
) internal view returns (DataTypes.ReserveDataLegacy memory) {
return POOL.getReserveData(asset);
}
function _pullATokenAndWithdraw(
address reserve,
address user,
uint256 amount,
PermitSignature memory permitSignature
) internal {
IERC20WithPermit reserveAToken = IERC20WithPermit(
_getReserveData(address(reserve)).aTokenAddress
);
_pullATokenAndWithdraw(reserve, reserveAToken, user, amount, permitSignature);
}
/**
* @dev Pull the ATokens from the user
* @param reserve address of the asset
* @param reserveAToken address of the aToken of the reserve
* @param user address
* @param amount of tokens to be transferred to the contract
* @param permitSignature struct containing the permit signature
*/
function _pullATokenAndWithdraw(
address reserve,
IERC20WithPermit reserveAToken,
address user,
uint256 amount,
PermitSignature memory permitSignature
) internal {
// If deadline is set to zero, assume there is no signature for permit
if (permitSignature.deadline != 0) {
reserveAToken.permit(
user,
address(this),
permitSignature.amount,
permitSignature.deadline,
permitSignature.v,
permitSignature.r,
permitSignature.s
);
}
// transfer from user to adapter
reserveAToken.safeTransferFrom(user, address(this), amount);
// withdraw reserve
require(POOL.withdraw(reserve, amount, address(this)) == amount, 'UNEXPECTED_AMOUNT_WITHDRAWN');
}
/**
* @dev Emergency rescue for token stucked on this contract, as failsafe mechanism
* - Funds should never remain in this contract more time than during transactions
* - Only callable by the owner
*/
function rescueTokens(IERC20 token) external onlyOwner {
token.safeTransfer(owner(), token.balanceOf(address(this)));
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import {IFlashLoanSimpleReceiver} from '../interfaces/IFlashLoanSimpleReceiver.sol';
import {IPoolAddressesProvider} from '../../interfaces/IPoolAddressesProvider.sol';
import {IPool} from '../../interfaces/IPool.sol';
/**
* @title FlashLoanSimpleReceiverBase
* @author Aave
* @notice Base contract to develop a flashloan-receiver contract.
*/
abstract contract FlashLoanSimpleReceiverBase is IFlashLoanSimpleReceiver {
IPoolAddressesProvider public immutable override ADDRESSES_PROVIDER;
IPool public immutable override POOL;
constructor(IPoolAddressesProvider provider) {
ADDRESSES_PROVIDER = provider;
POOL = IPool(provider.getPool());
}
}// SPDX-License-Identifier: LGPL-3.0-or-later
pragma solidity ^0.8.10;
import {IERC20} from '../../openzeppelin/contracts/IERC20.sol';
/// @title Gnosis Protocol v2 Safe ERC20 Transfer Library
/// @author Gnosis Developers
/// @dev Gas-efficient version of Openzeppelin's SafeERC20 contract.
library GPv2SafeERC20 {
/// @dev Wrapper around a call to the ERC20 function `transfer` that reverts
/// also when the token returns `false`.
function safeTransfer(IERC20 token, address to, uint256 value) internal {
bytes4 selector_ = token.transfer.selector;
// solhint-disable-next-line no-inline-assembly
assembly {
let freeMemoryPointer := mload(0x40)
mstore(freeMemoryPointer, selector_)
mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff))
mstore(add(freeMemoryPointer, 36), value)
if iszero(call(gas(), token, 0, freeMemoryPointer, 68, 0, 0)) {
returndatacopy(0, 0, returndatasize())
revert(0, returndatasize())
}
}
require(getLastTransferResult(token), 'GPv2: failed transfer');
}
/// @dev Wrapper around a call to the ERC20 function `transferFrom` that
/// reverts also when the token returns `false`.
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
bytes4 selector_ = token.transferFrom.selector;
// solhint-disable-next-line no-inline-assembly
assembly {
let freeMemoryPointer := mload(0x40)
mstore(freeMemoryPointer, selector_)
mstore(add(freeMemoryPointer, 4), and(from, 0xffffffffffffffffffffffffffffffffffffffff))
mstore(add(freeMemoryPointer, 36), and(to, 0xffffffffffffffffffffffffffffffffffffffff))
mstore(add(freeMemoryPointer, 68), value)
if iszero(call(gas(), token, 0, freeMemoryPointer, 100, 0, 0)) {
returndatacopy(0, 0, returndatasize())
revert(0, returndatasize())
}
}
require(getLastTransferResult(token), 'GPv2: failed transferFrom');
}
/// @dev Verifies that the last return was a successful `transfer*` call.
/// This is done by checking that the return data is either empty, or
/// is a valid ABI encoded boolean.
function getLastTransferResult(IERC20 token) private view returns (bool success) {
// NOTE: Inspecting previous return data requires assembly. Note that
// we write the return data to memory 0 in the case where the return
// data size is 32, this is OK since the first 64 bytes of memory are
// reserved by Solidy as a scratch space that can be used within
// assembly blocks.
// <https://docs.soliditylang.org/en/v0.7.6/internals/layout_in_memory.html>
// solhint-disable-next-line no-inline-assembly
assembly {
/// @dev Revert with an ABI encoded Solidity error with a message
/// that fits into 32-bytes.
///
/// An ABI encoded Solidity error has the following memory layout:
///
/// ------------+----------------------------------
/// byte range | value
/// ------------+----------------------------------
/// 0x00..0x04 | selector("Error(string)")
/// 0x04..0x24 | string offset (always 0x20)
/// 0x24..0x44 | string length
/// 0x44..0x64 | string value, padded to 32-bytes
function revertWithMessage(length, message) {
mstore(0x00, '\x08\xc3\x79\xa0')
mstore(0x04, 0x20)
mstore(0x24, length)
mstore(0x44, message)
revert(0x00, 0x64)
}
switch returndatasize()
// Non-standard ERC20 transfer without return.
case 0 {
// NOTE: When the return data size is 0, verify that there
// is code at the address. This is done in order to maintain
// compatibility with Solidity calling conventions.
// <https://docs.soliditylang.org/en/v0.7.6/control-structures.html#external-function-calls>
if iszero(extcodesize(token)) {
revertWithMessage(20, 'GPv2: not a contract')
}
success := 1
}
// Standard ERC20 transfer returning boolean success value.
case 32 {
returndatacopy(0, 0, returndatasize())
// NOTE: For ABI encoding v1, any non-zero value is accepted
// as `true` for a boolean. In order to stay compatible with
// OpenZeppelin's `SafeERC20` library which is known to work
// with the existing ERC20 implementation we care about,
// make sure we return success for any non-zero return value
// from the `transfer*` call.
success := iszero(iszero(mload(0)))
}
default {
revertWithMessage(31, 'GPv2: malformed transfer result')
}
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @title IPriceOracleGetter
* @author Aave
* @notice Interface for the Aave price oracle.
*/
interface IPriceOracleGetter {
/**
* @notice Returns the base currency address
* @dev Address 0x0 is reserved for USD as base currency.
* @return Returns the base currency address.
*/
function BASE_CURRENCY() external view returns (address);
/**
* @notice Returns the base currency unit
* @dev 1 ether for ETH, 1e8 for USD.
* @return Returns the base currency unit.
*/
function BASE_CURRENCY_UNIT() external view returns (uint256);
/**
* @notice Returns the asset price in the base currency
* @param asset The address of the asset
* @return The price of the asset
*/
function getAssetPrice(address asset) external view returns (uint256);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;
import './Context.sol';
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), 'Ownable: caller is not the owner');
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), 'Ownable: new owner is the zero address');
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {IPoolAddressesProvider} from '../../interfaces/IPoolAddressesProvider.sol';
import {IPool} from '../../interfaces/IPool.sol';
/**
* @title IFlashLoanSimpleReceiver
* @author Aave
* @notice Defines the basic interface of a flashloan-receiver contract.
* @dev Implement this interface to develop a flashloan-compatible flashLoanReceiver contract
*/
interface IFlashLoanSimpleReceiver {
/**
* @notice Executes an operation after receiving the flash-borrowed asset
* @dev Ensure that the contract can return the debt + premium, e.g., has
* enough funds to repay and has approved the Pool to pull the total amount
* @param asset The address of the flash-borrowed asset
* @param amount The amount of the flash-borrowed asset
* @param premium The fee of the flash-borrowed asset
* @param initiator The address of the flashloan initiator
* @param params The byte-encoded params passed when initiating the flashloan
* @return True if the execution of the operation succeeds, false otherwise
*/
function executeOperation(
address asset,
uint256 amount,
uint256 premium,
address initiator,
bytes calldata params
) external returns (bool);
function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);
function POOL() external view returns (IPool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
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);
/**
* @notice 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;
/**
* @notice 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
* @return The backed amount
*/
function backUnbacked(address asset, uint256 amount, uint256 fee) external returns (uint256);
/**
* @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 Permissionless method which allows anyone to swap a users stable debt to variable debt
* @dev Introduced in favor of stable rate deprecation
* @param asset The address of the underlying asset borrowed
* @param user The address of the user whose debt will be swapped from stable to variable
*/
function swapToVariable(address asset, address user) 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://docs.aave.com/developers/
* @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://docs.aave.com/developers/
* @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 Accumulates interest to all indexes of the reserve
* @dev Only callable by the PoolConfigurator contract
* @dev To be used when required by the configurator, for example when updating interest rates strategy data
* @param asset The address of the underlying asset of the reserve
*/
function syncIndexesState(address asset) external;
/**
* @notice Updates interest rates on the reserve data
* @dev Only callable by the PoolConfigurator contract
* @dev To be used when required by the configurator, for example when updating interest rates strategy data
* @param asset The address of the underlying asset of the reserve
*/
function syncRatesState(address asset) 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 of the reserve
* @param asset The address of the underlying asset of the reserve
* @return The reserve's normalized income
*/
function getReserveNormalizedIncome(address asset) external view returns (uint256);
/**
* @notice Returns the normalized variable debt per unit of asset
* @dev WARNING: This function is intended to be used primarily by the protocol itself to get a
* "dynamic" variable index based on time, current stored index and virtual rate at the current
* moment (approx. a borrower would get if opening a position). This means that is always used in
* combination with variable debt supply/balances.
* If using this function externally, consider that is possible to have an increasing normalized
* variable debt that is not equivalent to how the variable debt index would be updated in storage
* (e.g. only updates with non-zero variable debt supply)
* @param asset The address of the underlying asset of the reserve
* @return The reserve normalized variable debt
*/
function getReserveNormalizedVariableDebt(address asset) external view returns (uint256);
/**
* @notice Returns the state and configuration of the reserve
* @param asset The address of the underlying asset of the reserve
* @return The state and configuration data of the reserve
*/
function getReserveData(address asset) external view returns (DataTypes.ReserveDataLegacy memory);
/**
* @notice Returns the state and configuration of the reserve, including extra data included with Aave v3.1
* @param asset The address of the underlying asset of the reserve
* @return The state and configuration data of the reserve with virtual accounting
*/
function getReserveDataExtended(
address asset
) external view returns (DataTypes.ReserveData memory);
/**
* @notice Returns the virtual underlying balance of the reserve
* @param asset The address of the underlying asset of the reserve
* @return The reserve virtual underlying balance
*/
function getVirtualUnderlyingBalance(address asset) external view returns (uint128);
/**
* @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 number of initialized reserves
* @dev It includes dropped reserves
* @return The count
*/
function getReservesCount() external view returns (uint256);
/**
* @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 Sets the liquidation grace period of the given asset
* @dev To enable a liquidation grace period, a timestamp in the future should be set,
* To disable a liquidation grace period, any timestamp in the past works, like 0
* @param asset The address of the underlying asset to set the liquidationGracePeriod
* @param until Timestamp when the liquidation grace period will end
**/
function setLiquidationGracePeriod(address asset, uint40 until) external;
/**
* @notice Returns the liquidation grace period of the given asset
* @param asset The address of the underlying asset
* @return Timestamp when the liquidation grace period will end
**/
function getLiquidationGracePeriod(address asset) external returns (uint40);
/**
* @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;
/**
* @notice Gets the address of the external FlashLoanLogic
*/
function getFlashLoanLogic() external view returns (address);
/**
* @notice Gets the address of the external BorrowLogic
*/
function getBorrowLogic() external view returns (address);
/**
* @notice Gets the address of the external BridgeLogic
*/
function getBridgeLogic() external view returns (address);
/**
* @notice Gets the address of the external EModeLogic
*/
function getEModeLogic() external view returns (address);
/**
* @notice Gets the address of the external LiquidationLogic
*/
function getLiquidationLogic() external view returns (address);
/**
* @notice Gets the address of the external PoolLogic
*/
function getPoolLogic() external view returns (address);
/**
* @notice Gets the address of the external SupplyLogic
*/
function getSupplyLogic() external view returns (address);
}// 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;
}
}{
"remappings": [
"aave-v3-core/=src/core/",
"aave-v3-periphery/=src/periphery/",
"solidity-utils/=lib/solidity-utils/src/",
"forge-std/=lib/forge-std/src/",
"ds-test/=lib/forge-std/lib/ds-test/src/",
"@openzeppelin/contracts-upgradeable/=lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/contracts/",
"@openzeppelin/contracts/=lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/contracts/",
"erc4626-tests/=lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
"openzeppelin-contracts-upgradeable/=lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/",
"openzeppelin-contracts/=lib/solidity-utils/lib/openzeppelin-contracts-upgradeable/lib/openzeppelin-contracts/"
],
"optimizer": {
"enabled": true,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "none",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "paris",
"viaIR": false,
"libraries": {}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"contract IPoolAddressesProvider","name":"addressesProvider","type":"address"},{"internalType":"contract IParaSwapAugustusRegistry","name":"augustusRegistry","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"fromAsset","type":"address"},{"indexed":true,"internalType":"address","name":"toAsset","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountSold","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"receivedAmount","type":"uint256"}],"name":"Bought","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"fromAsset","type":"address"},{"indexed":true,"internalType":"address","name":"toAsset","type":"address"},{"indexed":false,"internalType":"uint256","name":"fromAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"receivedAmount","type":"uint256"}],"name":"Swapped","type":"event"},{"inputs":[],"name":"ADDRESSES_PROVIDER","outputs":[{"internalType":"contract IPoolAddressesProvider","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"AUGUSTUS_REGISTRY","outputs":[{"internalType":"contract IParaSwapAugustusRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SLIPPAGE_PERCENT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ORACLE","outputs":[{"internalType":"contract IPriceOracleGetter","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"POOL","outputs":[{"internalType":"contract IPool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"premium","type":"uint256"},{"internalType":"address","name":"initiator","type":"address"},{"internalType":"bytes","name":"params","type":"bytes"}],"name":"executeOperation","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"}],"name":"rescueTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20Detailed","name":"collateralAsset","type":"address"},{"internalType":"contract IERC20Detailed","name":"debtAsset","type":"address"},{"internalType":"uint256","name":"collateralAmount","type":"uint256"},{"internalType":"uint256","name":"debtRepayAmount","type":"uint256"},{"internalType":"uint256","name":"debtRateMode","type":"uint256"},{"internalType":"uint256","name":"buyAllBalanceOffset","type":"uint256"},{"internalType":"bytes","name":"paraswapData","type":"bytes"},{"components":[{"internalType":"uint256","name":"amount","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"}],"internalType":"struct BaseParaSwapAdapter.PermitSignature","name":"permitSignature","type":"tuple"}],"name":"swapAndRepay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"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)
000000000000000000000000a97684ead0e402dc232d5a977953df7ecbab3cdb0000000000000000000000006e7be86000df697facf4396efd2ae2c322165dc300000000000000000000000057dc6c401819ea097db8d4b66d8e35cda0277a73
-----Decoded View---------------
Arg [0] : addressesProvider (address): 0xa97684ead0e402dC232d5A977953DF7ECBaB3CDb
Arg [1] : augustusRegistry (address): 0x6e7bE86000dF697facF4396efD2aE2C322165dC3
Arg [2] : owner (address): 0x57dc6c401819eA097dB8d4b66D8E35CdA0277a73
-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000a97684ead0e402dc232d5a977953df7ecbab3cdb
Arg [1] : 0000000000000000000000006e7be86000df697facf4396efd2ae2c322165dc3
Arg [2] : 00000000000000000000000057dc6c401819ea097db8d4b66d8e35cda0277a73
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Net Worth in USD
$0.00
Net Worth in ETH
0
Multichain Portfolio | 34 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.