Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.7.6;

import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { IAddressResolver } from "synthetix/contracts/interfaces/IAddressResolver.sol";
import { ISynthetix } from "synthetix/contracts/interfaces/ISynthetix.sol";
import { ISNXFlashLoanTool } from "./interfaces/ISNXFlashLoanTool.sol";
import { IFlashLoanReceiver } from "./interfaces/IFlashLoanReceiver.sol";
import { ILendingPoolAddressesProvider } from "./interfaces/ILendingPoolAddressesProvider.sol";
import { ILendingPool } from "./interfaces/ILendingPool.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import { SafeMath } from "@openzeppelin/contracts/math/SafeMath.sol";

/// @author Ganesh Gautham Elango
/// @title Burn sUSD debt with SNX using a flash loan
contract SNXFlashLoanTool is ISNXFlashLoanTool, IFlashLoanReceiver, Ownable {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    /// @dev Synthetix address resolver
    IAddressResolver public immutable addressResolver;
    /// @dev SNX token contract
    IERC20 public immutable snx;
    /// @dev sUSD token contract
    IERC20 public immutable sUSD;
    /// @dev Aave LendingPoolAddressesProvider contract
    ILendingPoolAddressesProvider public immutable override ADDRESSES_PROVIDER;
    /// @dev Aave LendingPool contract
    ILendingPool public immutable override LENDING_POOL;
    /// @dev Approved DEX address
    address public immutable override approvedExchange;
    /// @dev Aave LendingPool referral code
    uint16 public constant referralCode = 185;

    /// @dev Constructor
    /// @param _snxResolver Synthetix AddressResolver address
    /// @param _provider Aave LendingPoolAddressesProvider address
    /// @param _approvedExchange Approved DEX address to swap on
    constructor(
        address _snxResolver,
        address _provider,
        address _approvedExchange
    ) {
        IAddressResolver synthetixResolver = IAddressResolver(_snxResolver);
        addressResolver = synthetixResolver;
        IERC20 _snx = IERC20(synthetixResolver.getAddress("ProxyERC20"));
        snx = _snx;
        sUSD = IERC20(synthetixResolver.getAddress("ProxyERC20sUSD"));
        ILendingPoolAddressesProvider provider = ILendingPoolAddressesProvider(_provider);
        ADDRESSES_PROVIDER = provider;
        LENDING_POOL = ILendingPool(provider.getLendingPool());
        approvedExchange = _approvedExchange;
        _snx.safeApprove(_approvedExchange, type(uint256).max);
    }

    /// @notice Burn sUSD debt with SNX using a flash loan
    /// @dev To burn all sUSD debt, pass in type(uint256).max for sUSDAmount
    /// @param sUSDAmount Amount of sUSD debt to burn (set to type(uint256).max to burn all debt)
    /// @param snxAmount Amount of SNX to sell in order to burn sUSD debt
    /// @param exchangeData Calldata to call exchange with
    function burn(
        uint256 sUSDAmount,
        uint256 snxAmount,
        bytes calldata exchangeData
    ) external override {
        address[] memory assets = new address[](1);
        assets[0] = address(sUSD);
        uint256[] memory amounts = new uint256[](1);
        // If sUSDAmount is max, get the sUSD debt of the user, otherwise just use sUSDAmount
        amounts[0] = sUSDAmount == type(uint256).max
            ? ISynthetix(addressResolver.getAddress("Synthetix")).debtBalanceOf(msg.sender, "sUSD")
            : sUSDAmount;
        uint256[] memory modes = new uint256[](1);
        // Mode is set to 0 so the flash loan doesn't incur any debt
        modes[0] = 0;
        // Initiate flash loan
        LENDING_POOL.flashLoan(
            address(this),
            assets,
            amounts,
            modes,
            address(this),
            abi.encode(snxAmount, msg.sender, exchangeData),
            referralCode
        );
        emit Burn(msg.sender, amounts[0], snxAmount);
    }

    /// @dev Aave flash loan callback. Receives the token amounts and gives it back + premiums.
    /// @param assets The addresses of the assets being flash-borrowed
    /// @param amounts The amounts amounts being flash-borrowed
    /// @param premiums Fees to be paid for each asset
    /// @param initiator The msg.sender to Aave
    /// @param params Arbitrary packed params to pass to the receiver as extra information
    function executeOperation(
        address[] calldata assets,
        uint256[] calldata amounts,
        uint256[] calldata premiums,
        address initiator,
        bytes calldata params
    ) external override returns (bool) {
        require(msg.sender == address(LENDING_POOL), "SNXFlashLoanTool: Invalid msg.sender");
        require(initiator == address(this), "SNXFlashLoanTool: Invalid initiator");
        (uint256 snxAmount, address user, bytes memory exchangeData) = abi.decode(params, (uint256, address, bytes));
        // Send sUSD to user to burn
        sUSD.transfer(user, amounts[0]);
        // Burn sUSD with flash loaned amount
        ISynthetix(addressResolver.getAddress("Synthetix")).burnSynthsOnBehalf(user, amounts[0]);
        // Transfer specified SNX amount from user
        snx.safeTransferFrom(user, address(this), snxAmount);
        // Swap SNX to sUSD on the approved DEX
        (bool success, ) = approvedExchange.call(exchangeData);
        require(success, "SNXFlashLoanTool: Swap failed");
        // sUSD amount received from swap
        uint256 receivedSUSD = sUSD.balanceOf(address(this));
        // Approve owed sUSD amount to Aave
        uint256 amountOwing = amounts[0].add(premiums[0]);
        sUSD.safeApprove(msg.sender, amountOwing);
        // If there is leftover sUSD on this contract, transfer it to the user
        if (amountOwing < receivedSUSD) {
            sUSD.safeTransfer(user, receivedSUSD.sub(amountOwing));
        }
        return true;
    }

    /// @notice Transfer a tokens balance left on this contract to the owner
    /// @dev Can only be called by owner
    /// @param token Address of token to transfer the balance of
    function transferToken(address token) external onlyOwner {
        IERC20(token).safeTransfer(msg.sender, IERC20(token).balanceOf(address(this)));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../utils/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.
 */
abstract 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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual 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 >=0.6.0 <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);
}

pragma solidity >=0.4.24;

// https://docs.synthetix.io/contracts/source/interfaces/iaddressresolver
interface IAddressResolver {
    function getAddress(bytes32 name) external view returns (address);

    function getSynth(bytes32 key) external view returns (address);

    function requireAndGetAddress(bytes32 name, string calldata reason) external view returns (address);
}

pragma solidity >=0.4.24;

import "./ISynth.sol";
import "./IVirtualSynth.sol";

// https://docs.synthetix.io/contracts/source/interfaces/isynthetix
interface ISynthetix {
    // Views
    function anySynthOrSNXRateIsInvalid() external view returns (bool anyRateInvalid);

    function availableCurrencyKeys() external view returns (bytes32[] memory);

    function availableSynthCount() external view returns (uint);

    function availableSynths(uint index) external view returns (ISynth);

    function collateral(address account) external view returns (uint);

    function collateralisationRatio(address issuer) external view returns (uint);

    function debtBalanceOf(address issuer, bytes32 currencyKey) external view returns (uint);

    function isWaitingPeriod(bytes32 currencyKey) external view returns (bool);

    function maxIssuableSynths(address issuer) external view returns (uint maxIssuable);

    function remainingIssuableSynths(address issuer)
        external
        view
        returns (
            uint maxIssuable,
            uint alreadyIssued,
            uint totalSystemDebt
        );

    function synths(bytes32 currencyKey) external view returns (ISynth);

    function synthsByAddress(address synthAddress) external view returns (bytes32);

    function totalIssuedSynths(bytes32 currencyKey) external view returns (uint);

    function totalIssuedSynthsExcludeEtherCollateral(bytes32 currencyKey) external view returns (uint);

    function transferableSynthetix(address account) external view returns (uint transferable);

    // Mutative Functions
    function burnSynths(uint amount) external;

    function burnSynthsOnBehalf(address burnForAddress, uint amount) external;

    function burnSynthsToTarget() external;

    function burnSynthsToTargetOnBehalf(address burnForAddress) external;

    function exchange(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey
    ) external returns (uint amountReceived);

    function exchangeOnBehalf(
        address exchangeForAddress,
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey
    ) external returns (uint amountReceived);

    function exchangeWithTracking(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address rewardAddress,
        bytes32 trackingCode
    ) external returns (uint amountReceived);

    function exchangeWithTrackingForInitiator(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address rewardAddress,
        bytes32 trackingCode
    ) external returns (uint amountReceived);

    function exchangeOnBehalfWithTracking(
        address exchangeForAddress,
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        address rewardAddress,
        bytes32 trackingCode
    ) external returns (uint amountReceived);

    function exchangeWithVirtual(
        bytes32 sourceCurrencyKey,
        uint sourceAmount,
        bytes32 destinationCurrencyKey,
        bytes32 trackingCode
    ) external returns (uint amountReceived, IVirtualSynth vSynth);

    function issueMaxSynths() external;

    function issueMaxSynthsOnBehalf(address issueForAddress) external;

    function issueSynths(uint amount) external;

    function issueSynthsOnBehalf(address issueForAddress, uint amount) external;

    function mint() external returns (bool);

    function settle(bytes32 currencyKey)
        external
        returns (
            uint reclaimed,
            uint refunded,
            uint numEntries
        );

    // Liquidations
    function liquidateDelinquentAccount(address account, uint susdAmount) external returns (bool);

    // Restricted Functions

    function mintSecondary(address account, uint amount) external;

    function mintSecondaryRewards(uint amount) external;

    function burnSecondary(address account, uint amount) external;
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.7.6;

/// @author Ganesh Gautham Elango
/// @title SNX Flash Loan Tool interface
interface ISNXFlashLoanTool {
    /// @notice Emitted on each burn
    /// @param sender msg.sender
    /// @param sUSDAmount Amount of sUSD debt burnt
    /// @param snxAmount Amount of SNX to sell in order to burn sUSD debt
    event Burn(address sender, uint256 sUSDAmount, uint256 snxAmount);

    /// @dev Approved DEX address
    function approvedExchange() external view returns (address);

    /// @notice Burn sUSD debt with SNX using a flash loan
    /// @dev To burn all sUSD debt, pass in type(uint256).max for sUSDAmount
    /// @param sUSDAmount Amount of sUSD debt to burn (set to type(uint256).max to burn all debt)
    /// @param snxAmount Amount of SNX to sell in order to burn sUSD debt
    /// @param exchangeData Calldata to call exchange with
    function burn(
        uint256 sUSDAmount,
        uint256 snxAmount,
        bytes calldata exchangeData
    ) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity >=0.6.12;

import { ILendingPoolAddressesProvider } from "./ILendingPoolAddressesProvider.sol";
import { ILendingPool } from "./ILendingPool.sol";

/**
 * @title IFlashLoanReceiver interface
 * @notice Interface for the Aave fee IFlashLoanReceiver.
 * @author Aave
 * @dev implement this interface to develop a flashloan-compatible flashLoanReceiver contract
 **/
interface IFlashLoanReceiver {
    function executeOperation(
        address[] calldata assets,
        uint256[] calldata amounts,
        uint256[] calldata premiums,
        address initiator,
        bytes calldata params
    ) external returns (bool);

    function ADDRESSES_PROVIDER() external view returns (ILendingPoolAddressesProvider);

    function LENDING_POOL() external view returns (ILendingPool);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity >=0.6.12;

/**
 * @title LendingPoolAddressesProvider contract
 * @dev Main registry of addresses part of or connected to the protocol, including permissioned roles
 * - Acting also as factory of proxies and admin of those, so with right to change its implementations
 * - Owned by the Aave Governance
 * @author Aave
 **/
interface ILendingPoolAddressesProvider {
    event MarketIdSet(string newMarketId);
    event LendingPoolUpdated(address indexed newAddress);
    event ConfigurationAdminUpdated(address indexed newAddress);
    event EmergencyAdminUpdated(address indexed newAddress);
    event LendingPoolConfiguratorUpdated(address indexed newAddress);
    event LendingPoolCollateralManagerUpdated(address indexed newAddress);
    event PriceOracleUpdated(address indexed newAddress);
    event LendingRateOracleUpdated(address indexed newAddress);
    event ProxyCreated(bytes32 id, address indexed newAddress);
    event AddressSet(bytes32 id, address indexed newAddress, bool hasProxy);

    function getMarketId() external view returns (string memory);

    function setMarketId(string calldata marketId) external;

    function setAddress(bytes32 id, address newAddress) external;

    function setAddressAsProxy(bytes32 id, address impl) external;

    function getAddress(bytes32 id) external view returns (address);

    function getLendingPool() external view returns (address);

    function setLendingPoolImpl(address pool) external;

    function getLendingPoolConfigurator() external view returns (address);

    function setLendingPoolConfiguratorImpl(address configurator) external;

    function getLendingPoolCollateralManager() external view returns (address);

    function setLendingPoolCollateralManager(address manager) external;

    function getPoolAdmin() external view returns (address);

    function setPoolAdmin(address admin) external;

    function getEmergencyAdmin() external view returns (address);

    function setEmergencyAdmin(address admin) external;

    function getPriceOracle() external view returns (address);

    function setPriceOracle(address priceOracle) external;

    function getLendingRateOracle() external view returns (address);

    function setLendingRateOracle(address lendingRateOracle) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity >=0.6.12;
pragma experimental ABIEncoderV2;

import { ILendingPoolAddressesProvider } from "./ILendingPoolAddressesProvider.sol";
import { DataTypes } from "../libraries/DataTypes.sol";

interface ILendingPool {
    /**
     * @dev Emitted on deposit()
     * @param reserve The address of the underlying asset of the reserve
     * @param user The address initiating the deposit
     * @param onBehalfOf The beneficiary of the deposit, receiving the aTokens
     * @param amount The amount deposited
     * @param referral The referral code used
     **/
    event Deposit(
        address indexed reserve,
        address user,
        address indexed onBehalfOf,
        uint256 amount,
        uint16 indexed referral
    );

    /**
     * @dev Emitted on withdraw()
     * @param reserve The address of the underlyng asset being withdrawn
     * @param user The address initiating the withdrawal, owner of aTokens
     * @param to Address that will receive the underlying
     * @param amount The amount to be withdrawn
     **/
    event Withdraw(address indexed reserve, address indexed user, address indexed to, uint256 amount);

    /**
     * @dev Emitted on borrow() and flashLoan() when debt needs to be opened
     * @param reserve The address of the underlying asset being borrowed
     * @param user The address of the user initiating the borrow(), receiving the funds on borrow() or just
     * initiator of the transaction on flashLoan()
     * @param onBehalfOf The address that will be getting the debt
     * @param amount The amount borrowed out
     * @param borrowRateMode The rate mode: 1 for Stable, 2 for Variable
     * @param borrowRate The numeric rate at which the user has borrowed
     * @param referral The referral code used
     **/
    event Borrow(
        address indexed reserve,
        address user,
        address indexed onBehalfOf,
        uint256 amount,
        uint256 borrowRateMode,
        uint256 borrowRate,
        uint16 indexed referral
    );

    /**
     * @dev Emitted on repay()
     * @param reserve The address of the underlying asset of the reserve
     * @param user The beneficiary of the repayment, getting his debt reduced
     * @param repayer The address of the user initiating the repay(), providing the funds
     * @param amount The amount repaid
     **/
    event Repay(address indexed reserve, address indexed user, address indexed repayer, uint256 amount);

    /**
     * @dev Emitted on swapBorrowRateMode()
     * @param reserve The address of the underlying asset of the reserve
     * @param user The address of the user swapping his rate mode
     * @param rateMode The rate mode that the user wants to swap to
     **/
    event Swap(address indexed reserve, address indexed user, uint256 rateMode);

    /**
     * @dev Emitted on setUserUseReserveAsCollateral()
     * @param reserve The address of the underlying asset of the reserve
     * @param user The address of the user enabling the usage as collateral
     **/
    event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user);

    /**
     * @dev Emitted on setUserUseReserveAsCollateral()
     * @param reserve The address of the underlying asset of the reserve
     * @param user The address of the user enabling the usage as collateral
     **/
    event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user);

    /**
     * @dev Emitted on rebalanceStableBorrowRate()
     * @param reserve The address of the underlying asset of the reserve
     * @param user The address of the user for which the rebalance has been executed
     **/
    event RebalanceStableBorrowRate(address indexed reserve, address indexed user);

    /**
     * @dev Emitted on flashLoan()
     * @param target The address of the flash loan receiver contract
     * @param initiator The address initiating the flash loan
     * @param asset The address of the asset being flash borrowed
     * @param amount The amount flash borrowed
     * @param premium The fee flash borrowed
     * @param referralCode The referral code used
     **/
    event FlashLoan(
        address indexed target,
        address indexed initiator,
        address indexed asset,
        uint256 amount,
        uint256 premium,
        uint16 referralCode
    );

    /**
     * @dev Emitted when the pause is triggered.
     */
    event Paused();

    /**
     * @dev Emitted when the pause is lifted.
     */
    event Unpaused();

    /**
     * @dev Emitted when a borrower is liquidated. This event is emitted by the LendingPool via
     * LendingPoolCollateral manager using a DELEGATECALL
     * This allows to have the events in the generated ABI for LendingPool.
     * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
     * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
     * @param user The address of the borrower getting liquidated
     * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
     * @param liquidatedCollateralAmount The amount of collateral received by the liiquidator
     * @param liquidator The address of the liquidator
     * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants
     * to receive the underlying collateral asset directly
     **/
    event LiquidationCall(
        address indexed collateralAsset,
        address indexed debtAsset,
        address indexed user,
        uint256 debtToCover,
        uint256 liquidatedCollateralAmount,
        address liquidator,
        bool receiveAToken
    );

    /**
     * @dev Emitted when the state of a reserve is updated. NOTE: This event is actually declared
     * in the ReserveLogic library and emitted in the updateInterestRates() function. Since the function is internal,
     * the event will actually be fired by the LendingPool contract. The event is therefore replicated here so it
     * gets added to the LendingPool ABI
     * @param reserve The address of the underlying asset of the reserve
     * @param liquidityRate The new liquidity rate
     * @param stableBorrowRate The new stable borrow rate
     * @param variableBorrowRate The new variable borrow rate
     * @param liquidityIndex The new liquidity index
     * @param variableBorrowIndex The new variable borrow index
     **/
    event ReserveDataUpdated(
        address indexed reserve,
        uint256 liquidityRate,
        uint256 stableBorrowRate,
        uint256 variableBorrowRate,
        uint256 liquidityIndex,
        uint256 variableBorrowIndex
    );

    /**
     * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
     * - E.g. User deposits 100 USDC and gets in return 100 aUSDC
     * @param asset The address of the underlying asset to deposit
     * @param amount The amount to be deposited
     * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
     *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
     *   is a different wallet
     * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     **/
    function deposit(
        address asset,
        uint256 amount,
        address onBehalfOf,
        uint16 referralCode
    ) external;

    /**
     * @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned
     * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC
     * @param asset The address of the underlying asset to withdraw
     * @param amount The underlying amount to be withdrawn
     *   - Send the value type(uint256).max in order to withdraw the whole aToken balance
     * @param to Address that will receive the underlying, same as msg.sender if the user
     *   wants to receive it on his own wallet, or a different address if the beneficiary is a
     *   different wallet
     * @return The final amount withdrawn
     **/
    function withdraw(
        address asset,
        uint256 amount,
        address to
    ) external returns (uint256);

    /**
     * @dev Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower
     * already deposited enough collateral, or he was given enough allowance by a credit delegator on the
     * corresponding debt token (StableDebtToken or VariableDebtToken)
     * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet
     *   and 100 stable/variable debt tokens, depending on the `interestRateMode`
     * @param asset The address of the underlying asset to borrow
     * @param amount The amount to be borrowed
     * @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable
     * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     * @param onBehalfOf Address of the user who will receive the debt. Should be the address of the borrower itself
     * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator
     * if he has been given credit delegation allowance
     **/
    function borrow(
        address asset,
        uint256 amount,
        uint256 interestRateMode,
        uint16 referralCode,
        address onBehalfOf
    ) external;

    /**
     * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned
     * - E.g. User repays 100 USDC, burning 100 variable/stable debt tokens of the `onBehalfOf` address
     * @param asset The address of the borrowed underlying asset previously borrowed
     * @param amount The amount to repay
     * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
     * @param rateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable
     * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the
     * user calling the function if he wants to reduce/remove his own debt, or the address of any other
     * other borrower whose debt should be removed
     * @return The final amount repaid
     **/
    function repay(
        address asset,
        uint256 amount,
        uint256 rateMode,
        address onBehalfOf
    ) external returns (uint256);

    /**
     * @dev Allows a borrower to swap his debt between stable and variable mode, or viceversa
     * @param asset The address of the underlying asset borrowed
     * @param rateMode The rate mode that the user wants to swap to
     **/
    function swapBorrowRateMode(address asset, uint256 rateMode) external;

    /**
     * @dev Rebalances the stable interest rate of a user to the current stable rate defined on the reserve.
     * - Users can be rebalanced if the following conditions are satisfied:
     *     1. Usage ratio is above 95%
     *     2. the current deposit APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too much has been
     *        borrowed at a stable rate and depositors are not earning enough
     * @param asset The address of the underlying asset borrowed
     * @param user The address of the user to be rebalanced
     **/
    function rebalanceStableBorrowRate(address asset, address user) external;

    /**
     * @dev Allows depositors to enable/disable a specific deposited asset as collateral
     * @param asset The address of the underlying asset deposited
     * @param useAsCollateral `true` if the user wants to use the deposit as collateral, `false` otherwise
     **/
    function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external;

    /**
     * @dev Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1
     * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives
     *   a proportionally amount of the `collateralAsset` plus a bonus to cover market risk
     * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
     * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
     * @param user The address of the borrower getting liquidated
     * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
     * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants
     * to receive the underlying collateral asset directly
     **/
    function liquidationCall(
        address collateralAsset,
        address debtAsset,
        address user,
        uint256 debtToCover,
        bool receiveAToken
    ) external;

    /**
     * @dev Allows smartcontracts to access the liquidity of the pool within one transaction,
     * as long as the amount taken plus a fee is returned.
     * IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept into consideration.
     * For further details please visit https://developers.aave.com
     * @param receiverAddress The address of the contract receiving the funds, implementing the IFlashLoanReceiver interface
     * @param assets The addresses of the assets being flash-borrowed
     * @param amounts The amounts amounts being flash-borrowed
     * @param modes Types of the debt to open if the flash loan is not returned:
     *   0 -> Don't open any debt, just revert if funds can't be transferred from the receiver
     *   1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
     *   2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
     * @param onBehalfOf The address  that will receive the debt in the case of using on `modes` 1 or 2
     * @param params Variadic packed params to pass to the receiver as extra information
     * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
     *   0 if the action is executed directly by the user, without any middle-man
     **/
    function flashLoan(
        address receiverAddress,
        address[] calldata assets,
        uint256[] calldata amounts,
        uint256[] calldata modes,
        address onBehalfOf,
        bytes calldata params,
        uint16 referralCode
    ) external;

    /**
     * @dev Returns the user account data across all the reserves
     * @param user The address of the user
     * @return totalCollateralETH the total collateral in ETH of the user
     * @return totalDebtETH the total debt in ETH of the user
     * @return availableBorrowsETH the borrowing power left of the user
     * @return currentLiquidationThreshold the liquidation threshold of the user
     * @return ltv the loan to value of the user
     * @return healthFactor the current health factor of the user
     **/
    function getUserAccountData(address user)
        external
        view
        returns (
            uint256 totalCollateralETH,
            uint256 totalDebtETH,
            uint256 availableBorrowsETH,
            uint256 currentLiquidationThreshold,
            uint256 ltv,
            uint256 healthFactor
        );

    function initReserve(
        address reserve,
        address aTokenAddress,
        address stableDebtAddress,
        address variableDebtAddress,
        address interestRateStrategyAddress
    ) external;

    function setReserveInterestRateStrategyAddress(address reserve, address rateStrategyAddress) external;

    function setConfiguration(address reserve, uint256 configuration) external;

    /**
     * @dev Returns the configuration of the reserve
     * @param asset The address of the underlying asset of the reserve
     * @return The configuration of the reserve
     **/
    function getConfiguration(address asset) external view returns (DataTypes.ReserveConfigurationMap memory);

    /**
     * @dev Returns the configuration of the user across all the reserves
     * @param user The user address
     * @return The configuration of the user
     **/
    function getUserConfiguration(address user) external view returns (DataTypes.UserConfigurationMap memory);

    /**
     * @dev Returns the normalized income normalized income of the reserve
     * @param asset The address of the underlying asset of the reserve
     * @return The reserve's normalized income
     */
    function getReserveNormalizedIncome(address asset) external view returns (uint256);

    /**
     * @dev Returns the normalized variable debt per unit of asset
     * @param asset The address of the underlying asset of the reserve
     * @return The reserve normalized variable debt
     */
    function getReserveNormalizedVariableDebt(address asset) external view returns (uint256);

    /**
     * @dev Returns the state and configuration of the reserve
     * @param asset The address of the underlying asset of the reserve
     * @return The state of the reserve
     **/
    function getReserveData(address asset) external view returns (DataTypes.ReserveData memory);

    function finalizeTransfer(
        address asset,
        address from,
        address to,
        uint256 amount,
        uint256 balanceFromAfter,
        uint256 balanceToBefore
    ) external;

    function getReservesList() external view returns (address[] memory);

    function getAddressesProvider() external view returns (ILendingPoolAddressesProvider);

    function setPause(bool val) external;

    function paused() external view returns (bool);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC20.sol";
import "../../math/SafeMath.sol";
import "../../utils/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 SafeMath for uint256;
    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'
        // solhint-disable-next-line max-line-length
        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).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
        _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
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/*
 * @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 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;
    }
}

pragma solidity >=0.4.24;

// https://docs.synthetix.io/contracts/source/interfaces/isynth
interface ISynth {
    // Views
    function currencyKey() external view returns (bytes32);

    function transferableSynths(address account) external view returns (uint);

    // Mutative functions
    function transferAndSettle(address to, uint value) external returns (bool);

    function transferFromAndSettle(
        address from,
        address to,
        uint value
    ) external returns (bool);

    // Restricted: used internally to Synthetix
    function burn(address account, uint amount) external;

    function issue(address account, uint amount) external;
}

pragma solidity >=0.4.24;

import "./ISynth.sol";

interface IVirtualSynth {
    // Views
    function balanceOfUnderlying(address account) external view returns (uint);

    function rate() external view returns (uint);

    function readyToSettle() external view returns (bool);

    function secsLeftInWaitingPeriod() external view returns (uint);

    function settled() external view returns (bool);

    function synth() external view returns (ISynth);

    // Mutative functions
    function settle(address account) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity >=0.6.12;

library DataTypes {
    // refer to the whitepaper, section 1.1 basic concepts for a formal description of these properties.
    struct ReserveData {
        //stores the reserve configuration
        ReserveConfigurationMap configuration;
        //the liquidity index. Expressed in ray
        uint128 liquidityIndex;
        //variable borrow index. Expressed in ray
        uint128 variableBorrowIndex;
        //the current supply rate. Expressed in ray
        uint128 currentLiquidityRate;
        //the current variable borrow rate. Expressed in ray
        uint128 currentVariableBorrowRate;
        //the current stable borrow rate. Expressed in ray
        uint128 currentStableBorrowRate;
        uint40 lastUpdateTimestamp;
        //tokens addresses
        address aTokenAddress;
        address stableDebtTokenAddress;
        address variableDebtTokenAddress;
        //address of the interest rate strategy
        address interestRateStrategyAddress;
        //the id of the reserve. Represents the position in the list of the active reserves
        uint8 id;
    }

    struct ReserveConfigurationMap {
        //bit 0-15: LTV
        //bit 16-31: Liq. threshold
        //bit 32-47: Liq. bonus
        //bit 48-55: Decimals
        //bit 56: Reserve is active
        //bit 57: reserve is frozen
        //bit 58: borrowing is enabled
        //bit 59: stable rate borrowing enabled
        //bit 60-63: reserved
        //bit 64-79: reserve factor
        uint256 data;
    }

    struct UserConfigurationMap {
        uint256 data;
    }

    enum InterestRateMode {
        NONE,
        STABLE,
        VARIABLE
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <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;
        // solhint-disable-next-line no-inline-assembly
        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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

{
  "metadata": {
    "bytecodeHash": "none"
  },
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_snxResolver","type":"address"},{"internalType":"address","name":"_provider","type":"address"},{"internalType":"address","name":"_approvedExchange","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"sUSDAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"snxAmount","type":"uint256"}],"name":"Burn","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"},{"inputs":[],"name":"ADDRESSES_PROVIDER","outputs":[{"internalType":"contract ILendingPoolAddressesProvider","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LENDING_POOL","outputs":[{"internalType":"contract ILendingPool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"addressResolver","outputs":[{"internalType":"contract IAddressResolver","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"approvedExchange","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"sUSDAmount","type":"uint256"},{"internalType":"uint256","name":"snxAmount","type":"uint256"},{"internalType":"bytes","name":"exchangeData","type":"bytes"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"assets","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"uint256[]","name":"premiums","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":"referralCode","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sUSD","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"snx","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"transferToken","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000823be81bbf96bec0e25ca13170f5aacb5b79ba83000000000000000000000000b53c1a33016b2dc2ff3653530bff1848a515c8c500000000000000000000000011111112542d85b3ef69ae05771c2dccff4faa26

-----Decoded View---------------
Arg [0] : _snxResolver (address): 0x823bE81bbF96BEc0e25CA13170F5AaCb5B79ba83
Arg [1] : _provider (address): 0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5
Arg [2] : _approvedExchange (address): 0x11111112542D85B3EF69AE05771c2dCCff4fAa26

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000823be81bbf96bec0e25ca13170f5aacb5b79ba83
Arg [1] : 000000000000000000000000b53c1a33016b2dc2ff3653530bff1848a515c8c5
Arg [2] : 00000000000000000000000011111112542d85b3ef69ae05771c2dccff4faa26