B.AMM LUSD-ETH (LUSDETH) Token Tracker

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2022-01-24
*/

/*
B.PROTOCOL TERMS OF USE
=======================

THE TERMS OF USE CONTAINED HEREIN (THESE “TERMS”) GOVERN YOUR USE OF B.PROTOCOL, WHICH IS A DECENTRALIZED PROTOCOL ON THE ETHEREUM BLOCKCHAIN (the “PROTOCOL”) THAT enables a backstop liquidity mechanism FOR DECENTRALIZED LENDING PLATFORMS (“DLPs”).  
PLEASE READ THESE TERMS CAREFULLY AT https://github.com/backstop-protocol/Terms-and-Conditions, INCLUDING ALL DISCLAIMERS AND RISK FACTORS, BEFORE USING THE PROTOCOL. BY USING THE PROTOCOL, YOU ARE IRREVOCABLY CONSENTING TO BE BOUND BY THESE TERMS. 
IF YOU DO NOT AGREE TO ALL OF THESE TERMS, DO NOT USE THE PROTOCOL. YOUR RIGHT TO USE THE PROTOCOL IS SUBJECT AND DEPENDENT BY YOUR AGREEMENT TO ALL TERMS AND CONDITIONS SET FORTH HEREIN, WHICH AGREEMENT SHALL BE EVIDENCED BY YOUR USE OF THE PROTOCOL.
Minors Prohibited: The Protocol is not directed to individuals under the age of eighteen (18) or the age of majority in your jurisdiction if the age of majority is greater. If you are under the age of eighteen or the age of majority (if greater), you are not authorized to access or use the Protocol. By using the Protocol, you represent and warrant that you are above such age.

License; No Warranties; Limitation of Liability;
(a) The software underlying the Protocol is licensed for use in accordance with the 3-clause BSD License, which can be accessed here: https://opensource.org/licenses/BSD-3-Clause.
(b) THE PROTOCOL IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS", “WITH ALL FAULTS” and “AS AVAILABLE” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
(c) IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
*/

// Sources flattened with hardhat v2.8.3 https://hardhat.org

// File contracts/Interfaces/IBorrowerOperations.sol

// SPDX-License-Identifier: MIT

pragma solidity 0.6.11;

// Common interface for the Trove Manager.
interface IBorrowerOperations {

    // --- Events ---

    event TroveManagerAddressChanged(address _newTroveManagerAddress);
    event ActivePoolAddressChanged(address _activePoolAddress);
    event DefaultPoolAddressChanged(address _defaultPoolAddress);
    event StabilityPoolAddressChanged(address _stabilityPoolAddress);
    event GasPoolAddressChanged(address _gasPoolAddress);
    event CollSurplusPoolAddressChanged(address _collSurplusPoolAddress);
    event PriceFeedAddressChanged(address  _newPriceFeedAddress);
    event SortedTrovesAddressChanged(address _sortedTrovesAddress);
    event LUSDTokenAddressChanged(address _lusdTokenAddress);
    event LQTYStakingAddressChanged(address _lqtyStakingAddress);

    event TroveCreated(address indexed _borrower, uint arrayIndex);
    event TroveUpdated(address indexed _borrower, uint _debt, uint _coll, uint stake, uint8 operation);
    event LUSDBorrowingFeePaid(address indexed _borrower, uint _LUSDFee);

    // --- Functions ---

    function setAddresses(
        address _troveManagerAddress,
        address _activePoolAddress,
        address _defaultPoolAddress,
        address _stabilityPoolAddress,
        address _gasPoolAddress,
        address _collSurplusPoolAddress,
        address _priceFeedAddress,
        address _sortedTrovesAddress,
        address _lusdTokenAddress,
        address _lqtyStakingAddress
    ) external;

    function openTrove(uint _maxFee, uint _LUSDAmount, address _upperHint, address _lowerHint) external payable;

    function addColl(address _upperHint, address _lowerHint) external payable;

    function moveETHGainToTrove(address _user, address _upperHint, address _lowerHint) external payable;

    function withdrawColl(uint _amount, address _upperHint, address _lowerHint) external;

    function withdrawLUSD(uint _maxFee, uint _amount, address _upperHint, address _lowerHint) external;

    function repayLUSD(uint _amount, address _upperHint, address _lowerHint) external;

    function closeTrove() external;

    function adjustTrove(uint _maxFee, uint _collWithdrawal, uint _debtChange, bool isDebtIncrease, address _upperHint, address _lowerHint) external payable;

    function claimCollateral() external;

    function getCompositeDebt(uint _debt) external pure returns (uint);
}


// File contracts/Interfaces/IStabilityPool.sol



pragma solidity 0.6.11;

/*
 * The Stability Pool holds LUSD tokens deposited by Stability Pool depositors.
 *
 * When a trove is liquidated, then depending on system conditions, some of its LUSD debt gets offset with
 * LUSD in the Stability Pool:  that is, the offset debt evaporates, and an equal amount of LUSD tokens in the Stability Pool is burned.
 *
 * Thus, a liquidation causes each depositor to receive a LUSD loss, in proportion to their deposit as a share of total deposits.
 * They also receive an ETH gain, as the ETH collateral of the liquidated trove is distributed among Stability depositors,
 * in the same proportion.
 *
 * When a liquidation occurs, it depletes every deposit by the same fraction: for example, a liquidation that depletes 40%
 * of the total LUSD in the Stability Pool, depletes 40% of each deposit.
 *
 * A deposit that has experienced a series of liquidations is termed a "compounded deposit": each liquidation depletes the deposit,
 * multiplying it by some factor in range ]0,1[
 *
 * Please see the implementation spec in the proof document, which closely follows on from the compounded deposit / ETH gain derivations:
 * https://github.com/liquity/liquity/blob/master/papers/Scalable_Reward_Distribution_with_Compounding_Stakes.pdf
 *
 * --- LQTY ISSUANCE TO STABILITY POOL DEPOSITORS ---
 *
 * An LQTY issuance event occurs at every deposit operation, and every liquidation.
 *
 * Each deposit is tagged with the address of the front end through which it was made.
 *
 * All deposits earn a share of the issued LQTY in proportion to the deposit as a share of total deposits. The LQTY earned
 * by a given deposit, is split between the depositor and the front end through which the deposit was made, based on the front end's kickbackRate.
 *
 * Please see the system Readme for an overview:
 * https://github.com/liquity/dev/blob/main/README.md#lqty-issuance-to-stability-providers
 */
interface IStabilityPool {

    // --- Events ---
    
    event StabilityPoolETHBalanceUpdated(uint _newBalance);
    event StabilityPoolLUSDBalanceUpdated(uint _newBalance);

    event BorrowerOperationsAddressChanged(address _newBorrowerOperationsAddress);
    event TroveManagerAddressChanged(address _newTroveManagerAddress);
    event ActivePoolAddressChanged(address _newActivePoolAddress);
    event DefaultPoolAddressChanged(address _newDefaultPoolAddress);
    event LUSDTokenAddressChanged(address _newLUSDTokenAddress);
    event SortedTrovesAddressChanged(address _newSortedTrovesAddress);
    event PriceFeedAddressChanged(address _newPriceFeedAddress);
    event CommunityIssuanceAddressChanged(address _newCommunityIssuanceAddress);

    event P_Updated(uint _P);
    event S_Updated(uint _S, uint128 _epoch, uint128 _scale);
    event G_Updated(uint _G, uint128 _epoch, uint128 _scale);
    event EpochUpdated(uint128 _currentEpoch);
    event ScaleUpdated(uint128 _currentScale);

    event FrontEndRegistered(address indexed _frontEnd, uint _kickbackRate);
    event FrontEndTagSet(address indexed _depositor, address indexed _frontEnd);

    event DepositSnapshotUpdated(address indexed _depositor, uint _P, uint _S, uint _G);
    event FrontEndSnapshotUpdated(address indexed _frontEnd, uint _P, uint _G);
    event UserDepositChanged(address indexed _depositor, uint _newDeposit);
    event FrontEndStakeChanged(address indexed _frontEnd, uint _newFrontEndStake, address _depositor);

    event ETHGainWithdrawn(address indexed _depositor, uint _ETH, uint _LUSDLoss);
    event LQTYPaidToDepositor(address indexed _depositor, uint _LQTY);
    event LQTYPaidToFrontEnd(address indexed _frontEnd, uint _LQTY);
    event EtherSent(address _to, uint _amount);

    // --- Functions ---

    /*
     * Called only once on init, to set addresses of other Liquity contracts
     * Callable only by owner, renounces ownership at the end
     */
    function setAddresses(
        address _borrowerOperationsAddress,
        address _troveManagerAddress,
        address _activePoolAddress,
        address _lusdTokenAddress,
        address _sortedTrovesAddress,
        address _priceFeedAddress,
        address _communityIssuanceAddress
    ) external;

    /*
     * Initial checks:
     * - Frontend is registered or zero address
     * - Sender is not a registered frontend
     * - _amount is not zero
     * ---
     * - Triggers a LQTY issuance, based on time passed since the last issuance. The LQTY issuance is shared between *all* depositors and front ends
     * - Tags the deposit with the provided front end tag param, if it's a new deposit
     * - Sends depositor's accumulated gains (LQTY, ETH) to depositor
     * - Sends the tagged front end's accumulated LQTY gains to the tagged front end
     * - Increases deposit and tagged front end's stake, and takes new snapshots for each.
     */
    function provideToSP(uint _amount, address _frontEndTag) external;

    /*
     * Initial checks:
     * - _amount is zero or there are no under collateralized troves left in the system
     * - User has a non zero deposit
     * ---
     * - Triggers a LQTY issuance, based on time passed since the last issuance. The LQTY issuance is shared between *all* depositors and front ends
     * - Removes the deposit's front end tag if it is a full withdrawal
     * - Sends all depositor's accumulated gains (LQTY, ETH) to depositor
     * - Sends the tagged front end's accumulated LQTY gains to the tagged front end
     * - Decreases deposit and tagged front end's stake, and takes new snapshots for each.
     *
     * If _amount > userDeposit, the user withdraws all of their compounded deposit.
     */
    function withdrawFromSP(uint _amount) external;

    /*
     * Initial checks:
     * - User has a non zero deposit
     * - User has an open trove
     * - User has some ETH gain
     * ---
     * - Triggers a LQTY issuance, based on time passed since the last issuance. The LQTY issuance is shared between *all* depositors and front ends
     * - Sends all depositor's LQTY gain to  depositor
     * - Sends all tagged front end's LQTY gain to the tagged front end
     * - Transfers the depositor's entire ETH gain from the Stability Pool to the caller's trove
     * - Leaves their compounded deposit in the Stability Pool
     * - Updates snapshots for deposit and tagged front end stake
     */
    function withdrawETHGainToTrove(address _upperHint, address _lowerHint) external;

    /*
     * Initial checks:
     * - Frontend (sender) not already registered
     * - User (sender) has no deposit
     * - _kickbackRate is in the range [0, 100%]
     * ---
     * Front end makes a one-time selection of kickback rate upon registering
     */
    function registerFrontEnd(uint _kickbackRate) external;

    /*
     * Initial checks:
     * - Caller is TroveManager
     * ---
     * Cancels out the specified debt against the LUSD contained in the Stability Pool (as far as possible)
     * and transfers the Trove's ETH collateral from ActivePool to StabilityPool.
     * Only called by liquidation functions in the TroveManager.
     */
    function offset(uint _debt, uint _coll) external;

    /*
     * Returns the total amount of ETH held by the pool, accounted in an internal variable instead of `balance`,
     * to exclude edge cases like ETH received from a self-destruct.
     */
    function getETH() external view returns (uint);

    /*
     * Returns LUSD held in the pool. Changes when users deposit/withdraw, and when Trove debt is offset.
     */
    function getTotalLUSDDeposits() external view returns (uint);

    /*
     * Calculates the ETH gain earned by the deposit since its last snapshots were taken.
     */
    function getDepositorETHGain(address _depositor) external view returns (uint);

    /*
     * Calculate the LQTY gain earned by a deposit since its last snapshots were taken.
     * If not tagged with a front end, the depositor gets a 100% cut of what their deposit earned.
     * Otherwise, their cut of the deposit's earnings is equal to the kickbackRate, set by the front end through
     * which they made their deposit.
     */
    function getDepositorLQTYGain(address _depositor) external view returns (uint);

    /*
     * Return the LQTY gain earned by the front end.
     */
    function getFrontEndLQTYGain(address _frontEnd) external view returns (uint);

    /*
     * Return the user's compounded deposit.
     */
    function getCompoundedLUSDDeposit(address _depositor) external view returns (uint);

    /*
     * Return the front end's compounded stake.
     *
     * The front end's compounded stake is equal to the sum of its depositors' compounded deposits.
     */
    function getCompoundedFrontEndStake(address _frontEnd) external view returns (uint);

    /*
     * Fallback function
     * Only callable by Active Pool, it just accounts for ETH received
     * receive() external payable;
     */
}


// File contracts/Interfaces/IPriceFeed.sol



pragma solidity 0.6.11;

interface IPriceFeed {

    // --- Events ---
    event LastGoodPriceUpdated(uint _lastGoodPrice);
   
    // --- Function ---
    function fetchPrice() external returns (uint);
}


// File contracts/Interfaces/ILiquityBase.sol



pragma solidity 0.6.11;

interface ILiquityBase {
    function priceFeed() external view returns (IPriceFeed);
}


// File contracts/Dependencies/IERC20.sol



pragma solidity 0.6.11;

/**
 * Based on the OpenZeppelin IER20 interface:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/IERC20.sol
 *
 * @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);
    function increaseAllowance(address spender, uint256 addedValue) external returns (bool);
    function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool);

    /**
     * @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);

    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
    
    /**
     * @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);
}


// File contracts/Dependencies/IERC2612.sol



pragma solidity 0.6.11;

/**
 * @dev Interface of the ERC2612 standard as defined in the EIP.
 *
 * Adds the {permit} method, which can be used to change one's
 * {IERC20-allowance} without having to send a transaction, by signing a
 * message. This allows users to spend tokens without having to hold Ether.
 *
 * See https://eips.ethereum.org/EIPS/eip-2612.
 * 
 * Code adapted from https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2237/
 */
interface IERC2612 {
    /**
     * @dev Sets `amount` as the allowance of `spender` over `owner`'s tokens,
     * given `owner`'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(address owner, address spender, uint256 amount, 
                    uint256 deadline, uint8 v, bytes32 r, bytes32 s) external;
    
    /**
     * @dev Returns the current ERC2612 nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases `owner`'s nonce by one. This
     * prevents a signature from being used multiple times.
     *
     * `owner` can limit the time a Permit is valid for by setting `deadline` to 
     * a value in the near future. The deadline argument can be set to uint(-1) to 
     * create Permits that effectively never expire.
     */
    function nonces(address owner) external view returns (uint256);
    
    function version() external view returns (string memory);
    function permitTypeHash() external view returns (bytes32);
    function domainSeparator() external view returns (bytes32);
}


// File contracts/Interfaces/ILUSDToken.sol



pragma solidity 0.6.11;


interface ILUSDToken is IERC20, IERC2612 { 
    
    // --- Events ---

    event TroveManagerAddressChanged(address _troveManagerAddress);
    event StabilityPoolAddressChanged(address _newStabilityPoolAddress);
    event BorrowerOperationsAddressChanged(address _newBorrowerOperationsAddress);

    event LUSDTokenBalanceUpdated(address _user, uint _amount);

    // --- Functions ---

    function mint(address _account, uint256 _amount) external;

    function burn(address _account, uint256 _amount) external;

    function sendToPool(address _sender,  address poolAddress, uint256 _amount) external;

    function returnFromPool(address poolAddress, address user, uint256 _amount ) external;
}


// File contracts/Interfaces/ILQTYToken.sol



pragma solidity 0.6.11;


interface ILQTYToken is IERC20, IERC2612 { 
   
    // --- Events ---
    
    event CommunityIssuanceAddressSet(address _communityIssuanceAddress);
    event LQTYStakingAddressSet(address _lqtyStakingAddress);
    event LockupContractFactoryAddressSet(address _lockupContractFactoryAddress);

    // --- Functions ---
    
    function sendToLQTYStaking(address _sender, uint256 _amount) external;

    function getDeploymentStartTime() external view returns (uint256);

    function getLpRewardsEntitlement() external view returns (uint256);
}


// File contracts/Interfaces/ILQTYStaking.sol



pragma solidity 0.6.11;

interface ILQTYStaking {

    // --- Events --
    
    event LQTYTokenAddressSet(address _lqtyTokenAddress);
    event LUSDTokenAddressSet(address _lusdTokenAddress);
    event TroveManagerAddressSet(address _troveManager);
    event BorrowerOperationsAddressSet(address _borrowerOperationsAddress);
    event ActivePoolAddressSet(address _activePoolAddress);

    event StakeChanged(address indexed staker, uint newStake);
    event StakingGainsWithdrawn(address indexed staker, uint LUSDGain, uint ETHGain);
    event F_ETHUpdated(uint _F_ETH);
    event F_LUSDUpdated(uint _F_LUSD);
    event TotalLQTYStakedUpdated(uint _totalLQTYStaked);
    event EtherSent(address _account, uint _amount);
    event StakerSnapshotsUpdated(address _staker, uint _F_ETH, uint _F_LUSD);

    // --- Functions ---

    function setAddresses
    (
        address _lqtyTokenAddress,
        address _lusdTokenAddress,
        address _troveManagerAddress, 
        address _borrowerOperationsAddress,
        address _activePoolAddress
    )  external;

    function stake(uint _LQTYamount) external;

    function unstake(uint _LQTYamount) external;

    function increaseF_ETH(uint _ETHFee) external; 

    function increaseF_LUSD(uint _LQTYFee) external;  

    function getPendingETHGain(address _user) external view returns (uint);

    function getPendingLUSDGain(address _user) external view returns (uint);
}


// File contracts/Interfaces/ITroveManager.sol



pragma solidity 0.6.11;





// Common interface for the Trove Manager.
interface ITroveManager is ILiquityBase {
    
    // --- Events ---

    event BorrowerOperationsAddressChanged(address _newBorrowerOperationsAddress);
    event PriceFeedAddressChanged(address _newPriceFeedAddress);
    event LUSDTokenAddressChanged(address _newLUSDTokenAddress);
    event ActivePoolAddressChanged(address _activePoolAddress);
    event DefaultPoolAddressChanged(address _defaultPoolAddress);
    event StabilityPoolAddressChanged(address _stabilityPoolAddress);
    event GasPoolAddressChanged(address _gasPoolAddress);
    event CollSurplusPoolAddressChanged(address _collSurplusPoolAddress);
    event SortedTrovesAddressChanged(address _sortedTrovesAddress);
    event LQTYTokenAddressChanged(address _lqtyTokenAddress);
    event LQTYStakingAddressChanged(address _lqtyStakingAddress);

    event Liquidation(uint _liquidatedDebt, uint _liquidatedColl, uint _collGasCompensation, uint _LUSDGasCompensation);
    event Redemption(uint _attemptedLUSDAmount, uint _actualLUSDAmount, uint _ETHSent, uint _ETHFee);
    event TroveUpdated(address indexed _borrower, uint _debt, uint _coll, uint stake, uint8 operation);
    event TroveLiquidated(address indexed _borrower, uint _debt, uint _coll, uint8 operation);
    event BaseRateUpdated(uint _baseRate);
    event LastFeeOpTimeUpdated(uint _lastFeeOpTime);
    event TotalStakesUpdated(uint _newTotalStakes);
    event SystemSnapshotsUpdated(uint _totalStakesSnapshot, uint _totalCollateralSnapshot);
    event LTermsUpdated(uint _L_ETH, uint _L_LUSDDebt);
    event TroveSnapshotsUpdated(uint _L_ETH, uint _L_LUSDDebt);
    event TroveIndexUpdated(address _borrower, uint _newIndex);

    // --- Functions ---

    function setAddresses(
        address _borrowerOperationsAddress,
        address _activePoolAddress,
        address _defaultPoolAddress,
        address _stabilityPoolAddress,
        address _gasPoolAddress,
        address _collSurplusPoolAddress,
        address _priceFeedAddress,
        address _lusdTokenAddress,
        address _sortedTrovesAddress,
        address _lqtyTokenAddress,
        address _lqtyStakingAddress
    ) external;

    function stabilityPool() external view returns (IStabilityPool);
    function lusdToken() external view returns (ILUSDToken);
    function lqtyToken() external view returns (ILQTYToken);
    function lqtyStaking() external view returns (ILQTYStaking);

    function getTroveOwnersCount() external view returns (uint);

    function getTroveFromTroveOwnersArray(uint _index) external view returns (address);

    function getNominalICR(address _borrower) external view returns (uint);
    function getCurrentICR(address _borrower, uint _price) external view returns (uint);

    function liquidate(address _borrower) external;

    function liquidateTroves(uint _n) external;

    function batchLiquidateTroves(address[] calldata _troveArray) external;

    function redeemCollateral(
        uint _LUSDAmount,
        address _firstRedemptionHint,
        address _upperPartialRedemptionHint,
        address _lowerPartialRedemptionHint,
        uint _partialRedemptionHintNICR,
        uint _maxIterations,
        uint _maxFee
    ) external; 

    function updateStakeAndTotalStakes(address _borrower) external returns (uint);

    function updateTroveRewardSnapshots(address _borrower) external;

    function addTroveOwnerToArray(address _borrower) external returns (uint index);

    function applyPendingRewards(address _borrower) external;

    function getPendingETHReward(address _borrower) external view returns (uint);

    function getPendingLUSDDebtReward(address _borrower) external view returns (uint);

     function hasPendingRewards(address _borrower) external view returns (bool);

    function getEntireDebtAndColl(address _borrower) external view returns (
        uint debt, 
        uint coll, 
        uint pendingLUSDDebtReward, 
        uint pendingETHReward
    );

    function closeTrove(address _borrower) external;

    function removeStake(address _borrower) external;

    function getRedemptionRate() external view returns (uint);
    function getRedemptionRateWithDecay() external view returns (uint);

    function getRedemptionFeeWithDecay(uint _ETHDrawn) external view returns (uint);

    function getBorrowingRate() external view returns (uint);
    function getBorrowingRateWithDecay() external view returns (uint);

    function getBorrowingFee(uint LUSDDebt) external view returns (uint);
    function getBorrowingFeeWithDecay(uint _LUSDDebt) external view returns (uint);

    function decayBaseRateFromBorrowing() external;

    function getTroveStatus(address _borrower) external view returns (uint);
    
    function getTroveStake(address _borrower) external view returns (uint);

    function getTroveDebt(address _borrower) external view returns (uint);

    function getTroveColl(address _borrower) external view returns (uint);

    function setTroveStatus(address _borrower, uint num) external;

    function increaseTroveColl(address _borrower, uint _collIncrease) external returns (uint);

    function decreaseTroveColl(address _borrower, uint _collDecrease) external returns (uint); 

    function increaseTroveDebt(address _borrower, uint _debtIncrease) external returns (uint); 

    function decreaseTroveDebt(address _borrower, uint _collDecrease) external returns (uint); 

    function getTCR(uint _price) external view returns (uint);

    function checkRecoveryMode(uint _price) external view returns (bool);
}


// File contracts/Interfaces/ISortedTroves.sol



pragma solidity 0.6.11;

// Common interface for the SortedTroves Doubly Linked List.
interface ISortedTroves {

    // --- Events ---
    
    event SortedTrovesAddressChanged(address _sortedDoublyLLAddress);
    event BorrowerOperationsAddressChanged(address _borrowerOperationsAddress);
    event NodeAdded(address _id, uint _NICR);
    event NodeRemoved(address _id);

    // --- Functions ---
    
    function setParams(uint256 _size, address _TroveManagerAddress, address _borrowerOperationsAddress) external;

    function insert(address _id, uint256 _ICR, address _prevId, address _nextId) external;

    function remove(address _id) external;

    function reInsert(address _id, uint256 _newICR, address _prevId, address _nextId) external;

    function contains(address _id) external view returns (bool);

    function isFull() external view returns (bool);

    function isEmpty() external view returns (bool);

    function getSize() external view returns (uint256);

    function getMaxSize() external view returns (uint256);

    function getFirst() external view returns (address);

    function getLast() external view returns (address);

    function getNext(address _id) external view returns (address);

    function getPrev(address _id) external view returns (address);

    function validInsertPosition(uint256 _ICR, address _prevId, address _nextId) external view returns (bool);

    function findInsertPosition(uint256 _ICR, address _prevId, address _nextId) external view returns (address, address);
}


// File contracts/Interfaces/ICommunityIssuance.sol



pragma solidity 0.6.11;

interface ICommunityIssuance { 
    
    // --- Events ---
    
    event LQTYTokenAddressSet(address _lqtyTokenAddress);
    event StabilityPoolAddressSet(address _stabilityPoolAddress);
    event TotalLQTYIssuedUpdated(uint _totalLQTYIssued);

    // --- Functions ---

    function setAddresses(address _lqtyTokenAddress, address _stabilityPoolAddress) external;

    function issueLQTY() external returns (uint);

    function sendLQTY(address _account, uint _LQTYamount) external;
}


// File contracts/Dependencies/BaseMath.sol


pragma solidity 0.6.11;


contract BaseMath {
    uint constant public DECIMAL_PRECISION = 1e18;
}


// File contracts/Dependencies/SafeMath.sol



pragma solidity 0.6.11;

/**
 * Based on OpenZeppelin's SafeMath:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/SafeMath.sol
 *
 * @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, 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) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     *
     * _Available since v2.4.0._
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @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) {
        // 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 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message 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.
     *
     * _Available since v2.4.0._
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts 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) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message 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.
     *
     * _Available since v2.4.0._
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}


// File contracts/Dependencies/console.sol



pragma solidity 0.6.11;

// Buidler's helper contract for console logging
library console {
	address constant CONSOLE_ADDRESS = address(0x000000000000000000636F6e736F6c652e6c6f67);

	function log() internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log()"));
		ignored;
	}	function logInt(int p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(int)", p0));
		ignored;
	}

	function logUint(uint p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint)", p0));
		ignored;
	}

	function logString(string memory p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string)", p0));
		ignored;
	}

	function logBool(bool p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool)", p0));
		ignored;
	}

	function logAddress(address p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address)", p0));
		ignored;
	}

	function logBytes(bytes memory p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes)", p0));
		ignored;
	}

	function logByte(byte p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(byte)", p0));
		ignored;
	}

	function logBytes1(bytes1 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes1)", p0));
		ignored;
	}

	function logBytes2(bytes2 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes2)", p0));
		ignored;
	}

	function logBytes3(bytes3 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes3)", p0));
		ignored;
	}

	function logBytes4(bytes4 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes4)", p0));
		ignored;
	}

	function logBytes5(bytes5 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes5)", p0));
		ignored;
	}

	function logBytes6(bytes6 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes6)", p0));
		ignored;
	}

	function logBytes7(bytes7 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes7)", p0));
		ignored;
	}

	function logBytes8(bytes8 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes8)", p0));
		ignored;
	}

	function logBytes9(bytes9 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes9)", p0));
		ignored;
	}

	function logBytes10(bytes10 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes10)", p0));
		ignored;
	}

	function logBytes11(bytes11 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes11)", p0));
		ignored;
	}

	function logBytes12(bytes12 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes12)", p0));
		ignored;
	}

	function logBytes13(bytes13 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes13)", p0));
		ignored;
	}

	function logBytes14(bytes14 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes14)", p0));
		ignored;
	}

	function logBytes15(bytes15 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes15)", p0));
		ignored;
	}

	function logBytes16(bytes16 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes16)", p0));
		ignored;
	}

	function logBytes17(bytes17 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes17)", p0));
		ignored;
	}

	function logBytes18(bytes18 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes18)", p0));
		ignored;
	}

	function logBytes19(bytes19 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes19)", p0));
		ignored;
	}

	function logBytes20(bytes20 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes20)", p0));
		ignored;
	}

	function logBytes21(bytes21 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes21)", p0));
		ignored;
	}

	function logBytes22(bytes22 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes22)", p0));
		ignored;
	}

	function logBytes23(bytes23 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes23)", p0));
		ignored;
	}

	function logBytes24(bytes24 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes24)", p0));
		ignored;
	}

	function logBytes25(bytes25 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes25)", p0));
		ignored;
	}

	function logBytes26(bytes26 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes26)", p0));
		ignored;
	}

	function logBytes27(bytes27 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes27)", p0));
		ignored;
	}

	function logBytes28(bytes28 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes28)", p0));
		ignored;
	}

	function logBytes29(bytes29 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes29)", p0));
		ignored;
	}

	function logBytes30(bytes30 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes30)", p0));
		ignored;
	}

	function logBytes31(bytes31 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes31)", p0));
		ignored;
	}

	function logBytes32(bytes32 p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bytes32)", p0));
		ignored;
	}

	function log(uint p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint)", p0));
		ignored;
	}

	function log(string memory p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string)", p0));
		ignored;
	}

	function log(bool p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool)", p0));
		ignored;
	}

	function log(address p0) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address)", p0));
		ignored;
	}

	function log(uint p0, uint p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint)", p0, p1));
		ignored;
	}

	function log(uint p0, string memory p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string)", p0, p1));
		ignored;
	}

	function log(uint p0, bool p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool)", p0, p1));
		ignored;
	}

	function log(uint p0, address p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address)", p0, p1));
		ignored;
	}

	function log(string memory p0, uint p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint)", p0, p1));
		ignored;
	}

	function log(string memory p0, string memory p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string)", p0, p1));
		ignored;
	}

	function log(string memory p0, bool p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool)", p0, p1));
		ignored;
	}

	function log(string memory p0, address p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address)", p0, p1));
		ignored;
	}

	function log(bool p0, uint p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint)", p0, p1));
		ignored;
	}

	function log(bool p0, string memory p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string)", p0, p1));
		ignored;
	}

	function log(bool p0, bool p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool)", p0, p1));
		ignored;
	}

	function log(bool p0, address p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address)", p0, p1));
		ignored;
	}

	function log(address p0, uint p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint)", p0, p1));
		ignored;
	}

	function log(address p0, string memory p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string)", p0, p1));
		ignored;
	}

	function log(address p0, bool p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool)", p0, p1));
		ignored;
	}

	function log(address p0, address p1) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address)", p0, p1));
		ignored;
	}

	function log(uint p0, uint p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,uint)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, uint p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,string)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, uint p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,bool)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, uint p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,address)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, string memory p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,uint)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, string memory p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,string)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, string memory p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,bool)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, string memory p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,address)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, bool p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,uint)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, bool p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,string)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, bool p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,bool)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, bool p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,address)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, address p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,uint)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, address p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,string)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, address p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,bool)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, address p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,address)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, uint p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,uint)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, uint p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,string)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, uint p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,bool)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, uint p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,address)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, string memory p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,uint)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, string memory p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,string)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, string memory p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,bool)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, string memory p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,address)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, bool p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,uint)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, bool p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,string)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, bool p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,bool)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, bool p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,address)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, address p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,uint)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, address p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,string)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, address p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,bool)", p0, p1, p2));
		ignored;
	}

	function log(string memory p0, address p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,address)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, uint p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,uint)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, uint p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,string)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, uint p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,bool)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, uint p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,address)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, string memory p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,uint)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, string memory p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,string)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, string memory p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,bool)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, string memory p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,address)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, bool p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,uint)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, bool p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,string)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, bool p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,bool)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, bool p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,address)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, address p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,uint)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, address p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,string)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, address p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,bool)", p0, p1, p2));
		ignored;
	}

	function log(bool p0, address p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,address)", p0, p1, p2));
		ignored;
	}

	function log(address p0, uint p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,uint)", p0, p1, p2));
		ignored;
	}

	function log(address p0, uint p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,string)", p0, p1, p2));
		ignored;
	}

	function log(address p0, uint p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,bool)", p0, p1, p2));
		ignored;
	}

	function log(address p0, uint p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,address)", p0, p1, p2));
		ignored;
	}

	function log(address p0, string memory p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,uint)", p0, p1, p2));
		ignored;
	}

	function log(address p0, string memory p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,string)", p0, p1, p2));
		ignored;
	}

	function log(address p0, string memory p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,bool)", p0, p1, p2));
		ignored;
	}

	function log(address p0, string memory p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,address)", p0, p1, p2));
		ignored;
	}

	function log(address p0, bool p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,uint)", p0, p1, p2));
		ignored;
	}

	function log(address p0, bool p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,string)", p0, p1, p2));
		ignored;
	}

	function log(address p0, bool p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,bool)", p0, p1, p2));
		ignored;
	}

	function log(address p0, bool p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,address)", p0, p1, p2));
		ignored;
	}

	function log(address p0, address p1, uint p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,uint)", p0, p1, p2));
		ignored;
	}

	function log(address p0, address p1, string memory p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,string)", p0, p1, p2));
		ignored;
	}

	function log(address p0, address p1, bool p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,bool)", p0, p1, p2));
		ignored;
	}

	function log(address p0, address p1, address p2) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,address)", p0, p1, p2));
		ignored;
	}

	function log(uint p0, uint p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, uint p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,uint,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, string memory p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,string,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, bool p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,bool,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(uint p0, address p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(uint,address,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, uint p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,uint,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, string memory p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,string,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, bool p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,bool,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(string memory p0, address p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(string,address,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, uint p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,uint,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, string memory p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,string,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, bool p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,bool,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(bool p0, address p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(bool,address,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, uint p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,uint,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, string memory p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,string,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, bool p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,bool,address,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, uint p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,uint,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, uint p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,uint,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, uint p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,uint,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, uint p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,uint,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, string memory p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,string,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, string memory p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,string,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, string memory p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,string,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, string memory p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,string,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, bool p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,bool,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, bool p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,bool,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, bool p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,bool,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, bool p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,bool,address)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, address p2, uint p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,address,uint)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, address p2, string memory p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,address,string)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, address p2, bool p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,address,bool)", p0, p1, p2, p3));
		ignored;
	}

	function log(address p0, address p1, address p2, address p3) internal view {
		(bool ignored, ) = CONSOLE_ADDRESS.staticcall(abi.encodeWithSignature("log(address,address,address,address)", p0, p1, p2, p3));
		ignored;
	}

}


// File contracts/Dependencies/LiquityMath.sol



pragma solidity 0.6.11;


library LiquityMath {
    using SafeMath for uint;

    uint internal constant DECIMAL_PRECISION = 1e18;

    /* Precision for Nominal ICR (independent of price). Rationale for the value:
     *
     * - Making it “too high” could lead to overflows.
     * - Making it “too low” could lead to an ICR equal to zero, due to truncation from Solidity floor division. 
     *
     * This value of 1e20 is chosen for safety: the NICR will only overflow for numerator > ~1e39 ETH,
     * and will only truncate to 0 if the denominator is at least 1e20 times greater than the numerator.
     *
     */
    uint internal constant NICR_PRECISION = 1e20;

    function _min(uint _a, uint _b) internal pure returns (uint) {
        return (_a < _b) ? _a : _b;
    }

    function _max(uint _a, uint _b) internal pure returns (uint) {
        return (_a >= _b) ? _a : _b;
    }

    /* 
    * Multiply two decimal numbers and use normal rounding rules:
    * -round product up if 19'th mantissa digit >= 5
    * -round product down if 19'th mantissa digit < 5
    *
    * Used only inside the exponentiation, _decPow().
    */
    function decMul(uint x, uint y) internal pure returns (uint decProd) {
        uint prod_xy = x.mul(y);

        decProd = prod_xy.add(DECIMAL_PRECISION / 2).div(DECIMAL_PRECISION);
    }

    /* 
    * _decPow: Exponentiation function for 18-digit decimal base, and integer exponent n.
    * 
    * Uses the efficient "exponentiation by squaring" algorithm. O(log(n)) complexity. 
    * 
    * Called by two functions that represent time in units of minutes:
    * 1) TroveManager._calcDecayedBaseRate
    * 2) CommunityIssuance._getCumulativeIssuanceFraction 
    * 
    * The exponent is capped to avoid reverting due to overflow. The cap 525600000 equals
    * "minutes in 1000 years": 60 * 24 * 365 * 1000
    * 
    * If a period of > 1000 years is ever used as an exponent in either of the above functions, the result will be
    * negligibly different from just passing the cap, since: 
    *
    * In function 1), the decayed base rate will be 0 for 1000 years or > 1000 years
    * In function 2), the difference in tokens issued at 1000 years and any time > 1000 years, will be negligible
    */
    function _decPow(uint _base, uint _minutes) internal pure returns (uint) {
       
        if (_minutes > 525600000) {_minutes = 525600000;}  // cap to avoid overflow
    
        if (_minutes == 0) {return DECIMAL_PRECISION;}

        uint y = DECIMAL_PRECISION;
        uint x = _base;
        uint n = _minutes;

        // Exponentiation-by-squaring
        while (n > 1) {
            if (n % 2 == 0) {
                x = decMul(x, x);
                n = n.div(2);
            } else { // if (n % 2 != 0)
                y = decMul(x, y);
                x = decMul(x, x);
                n = (n.sub(1)).div(2);
            }
        }

        return decMul(x, y);
  }

    function _getAbsoluteDifference(uint _a, uint _b) internal pure returns (uint) {
        return (_a >= _b) ? _a.sub(_b) : _b.sub(_a);
    }

    function _computeNominalCR(uint _coll, uint _debt) internal pure returns (uint) {
        if (_debt > 0) {
            return _coll.mul(NICR_PRECISION).div(_debt);
        }
        // Return the maximal value for uint256 if the Trove has a debt of 0. Represents "infinite" CR.
        else { // if (_debt == 0)
            return 2**256 - 1;
        }
    }

    function _computeCR(uint _coll, uint _debt, uint _price) internal pure returns (uint) {
        if (_debt > 0) {
            uint newCollRatio = _coll.mul(_price).div(_debt);

            return newCollRatio;
        }
        // Return the maximal value for uint256 if the Trove has a debt of 0. Represents "infinite" CR.
        else { // if (_debt == 0)
            return 2**256 - 1; 
        }
    }
}


// File contracts/Interfaces/IPool.sol



pragma solidity 0.6.11;

// Common interface for the Pools.
interface IPool {
    
    // --- Events ---
    
    event ETHBalanceUpdated(uint _newBalance);
    event LUSDBalanceUpdated(uint _newBalance);
    event ActivePoolAddressChanged(address _newActivePoolAddress);
    event DefaultPoolAddressChanged(address _newDefaultPoolAddress);
    event StabilityPoolAddressChanged(address _newStabilityPoolAddress);
    event EtherSent(address _to, uint _amount);

    // --- Functions ---
    
    function getETH() external view returns (uint);

    function getLUSDDebt() external view returns (uint);

    function increaseLUSDDebt(uint _amount) external;

    function decreaseLUSDDebt(uint _amount) external;
}


// File contracts/Interfaces/IActivePool.sol



pragma solidity 0.6.11;

interface IActivePool is IPool {
    // --- Events ---
    event BorrowerOperationsAddressChanged(address _newBorrowerOperationsAddress);
    event TroveManagerAddressChanged(address _newTroveManagerAddress);
    event ActivePoolLUSDDebtUpdated(uint _LUSDDebt);
    event ActivePoolETHBalanceUpdated(uint _ETH);

    // --- Functions ---
    function sendETH(address _account, uint _amount) external;
}


// File contracts/Interfaces/IDefaultPool.sol



pragma solidity 0.6.11;

interface IDefaultPool is IPool {
    // --- Events ---
    event TroveManagerAddressChanged(address _newTroveManagerAddress);
    event DefaultPoolLUSDDebtUpdated(uint _LUSDDebt);
    event DefaultPoolETHBalanceUpdated(uint _ETH);

    // --- Functions ---
    function sendETHToActivePool(uint _amount) external;
}


// File contracts/Dependencies/LiquityBase.sol



pragma solidity 0.6.11;






/* 
* Base contract for TroveManager, BorrowerOperations and StabilityPool. Contains global system constants and
* common functions. 
*/
contract LiquityBase is BaseMath, ILiquityBase {
    using SafeMath for uint;

    uint constant public _100pct = 1000000000000000000; // 1e18 == 100%

    // Minimum collateral ratio for individual troves
    uint constant public MCR = 1100000000000000000; // 110%

    // Critical system collateral ratio. If the system's total collateral ratio (TCR) falls below the CCR, Recovery Mode is triggered.
    uint constant public CCR = 1500000000000000000; // 150%

    // Amount of LUSD to be locked in gas pool on opening troves
    uint constant public LUSD_GAS_COMPENSATION = 200e18;

    // Minimum amount of net LUSD debt a trove must have
    uint constant public MIN_NET_DEBT = 1800e18;
    // uint constant public MIN_NET_DEBT = 0; 

    uint constant public PERCENT_DIVISOR = 200; // dividing by 200 yields 0.5%

    uint constant public BORROWING_FEE_FLOOR = DECIMAL_PRECISION / 1000 * 5; // 0.5%

    IActivePool public activePool;

    IDefaultPool public defaultPool;

    IPriceFeed public override priceFeed;

    // --- Gas compensation functions ---

    // Returns the composite debt (drawn debt + gas compensation) of a trove, for the purpose of ICR calculation
    function _getCompositeDebt(uint _debt) internal pure returns (uint) {
        return _debt.add(LUSD_GAS_COMPENSATION);
    }

    function _getNetDebt(uint _debt) internal pure returns (uint) {
        return _debt.sub(LUSD_GAS_COMPENSATION);
    }

    // Return the amount of ETH to be drawn from a trove's collateral and sent as gas compensation.
    function _getCollGasCompensation(uint _entireColl) internal pure returns (uint) {
        return _entireColl / PERCENT_DIVISOR;
    }

    function getEntireSystemColl() public view returns (uint entireSystemColl) {
        uint activeColl = activePool.getETH();
        uint liquidatedColl = defaultPool.getETH();

        return activeColl.add(liquidatedColl);
    }

    function getEntireSystemDebt() public view returns (uint entireSystemDebt) {
        uint activeDebt = activePool.getLUSDDebt();
        uint closedDebt = defaultPool.getLUSDDebt();

        return activeDebt.add(closedDebt);
    }

    function _getTCR(uint _price) internal view returns (uint TCR) {
        uint entireSystemColl = getEntireSystemColl();
        uint entireSystemDebt = getEntireSystemDebt();

        TCR = LiquityMath._computeCR(entireSystemColl, entireSystemDebt, _price);

        return TCR;
    }

    function _checkRecoveryMode(uint _price) internal view returns (bool) {
        uint TCR = _getTCR(_price);

        return TCR < CCR;
    }

    function _requireUserAcceptsFee(uint _fee, uint _amount, uint _maxFeePercentage) internal pure {
        uint feePercentage = _fee.mul(DECIMAL_PRECISION).div(_amount);
        require(feePercentage <= _maxFeePercentage, "Fee exceeded provided maximum");
    }
}


// File contracts/Dependencies/LiquitySafeMath128.sol



pragma solidity 0.6.11;

// uint128 addition and subtraction, with overflow protection.

library LiquitySafeMath128 {
    function add(uint128 a, uint128 b) internal pure returns (uint128) {
        uint128 c = a + b;
        require(c >= a, "LiquitySafeMath128: addition overflow");

        return c;
    }
   
    function sub(uint128 a, uint128 b) internal pure returns (uint128) {
        require(b <= a, "LiquitySafeMath128: subtraction overflow");
        uint128 c = a - b;

        return c;
    }
}


// File contracts/Dependencies/Ownable.sol



pragma solidity 0.6.11;

/**
 * Based on OpenZeppelin's Ownable contract:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.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.
 *
 * 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 {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        _owner = msg.sender;
        emit OwnershipTransferred(address(0), msg.sender);
    }

    /**
     * @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(isOwner(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Returns true if the caller is the current owner.
     */
    function isOwner() public view returns (bool) {
        return msg.sender == _owner;
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
        
    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     *
     * NOTE: This function is not safe, as it doesn’t check owner is calling it.
     * Make sure you check it before calling it.
     */
    function _renounceOwnership() internal {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }
}


// File contracts/Dependencies/CheckContract.sol



pragma solidity 0.6.11;


contract CheckContract {
    /**
     * Check that the account is an already deployed non-destroyed contract.
     * See: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/Address.sol#L12
     */
    function checkContract(address _account) internal view {
        require(_account != address(0), "Account cannot be zero address");

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(_account) }
        require(size > 0, "Account code size cannot be zero");
    }
}


// File contracts/StabilityPool.sol



pragma solidity 0.6.11;













/*
 * The Stability Pool holds LUSD tokens deposited by Stability Pool depositors.
 *
 * When a trove is liquidated, then depending on system conditions, some of its LUSD debt gets offset with
 * LUSD in the Stability Pool:  that is, the offset debt evaporates, and an equal amount of LUSD tokens in the Stability Pool is burned.
 *
 * Thus, a liquidation causes each depositor to receive a LUSD loss, in proportion to their deposit as a share of total deposits.
 * They also receive an ETH gain, as the ETH collateral of the liquidated trove is distributed among Stability depositors,
 * in the same proportion.
 *
 * When a liquidation occurs, it depletes every deposit by the same fraction: for example, a liquidation that depletes 40%
 * of the total LUSD in the Stability Pool, depletes 40% of each deposit.
 *
 * A deposit that has experienced a series of liquidations is termed a "compounded deposit": each liquidation depletes the deposit,
 * multiplying it by some factor in range ]0,1[
 *
 *
 * --- IMPLEMENTATION ---
 *
 * We use a highly scalable method of tracking deposits and ETH gains that has O(1) complexity.
 *
 * When a liquidation occurs, rather than updating each depositor's deposit and ETH gain, we simply update two state variables:
 * a product P, and a sum S.
 *
 * A mathematical manipulation allows us to factor out the initial deposit, and accurately track all depositors' compounded deposits
 * and accumulated ETH gains over time, as liquidations occur, using just these two variables P and S. When depositors join the
 * Stability Pool, they get a snapshot of the latest P and S: P_t and S_t, respectively.
 *
 * The formula for a depositor's accumulated ETH gain is derived here:
 * https://github.com/liquity/dev/blob/main/packages/contracts/mathProofs/Scalable%20Compounding%20Stability%20Pool%20Deposits.pdf
 *
 * For a given deposit d_t, the ratio P/P_t tells us the factor by which a deposit has decreased since it joined the Stability Pool,
 * and the term d_t * (S - S_t)/P_t gives us the deposit's total accumulated ETH gain.
 *
 * Each liquidation updates the product P and sum S. After a series of liquidations, a compounded deposit and corresponding ETH gain
 * can be calculated using the initial deposit, the depositor’s snapshots of P and S, and the latest values of P and S.
 *
 * Any time a depositor updates their deposit (withdrawal, top-up) their accumulated ETH gain is paid out, their new deposit is recorded
 * (based on their latest compounded deposit and modified by the withdrawal/top-up), and they receive new snapshots of the latest P and S.
 * Essentially, they make a fresh deposit that overwrites the old one.
 *
 *
 * --- SCALE FACTOR ---
 *
 * Since P is a running product in range ]0,1] that is always-decreasing, it should never reach 0 when multiplied by a number in range ]0,1[.
 * Unfortunately, Solidity floor division always reaches 0, sooner or later.
 *
 * A series of liquidations that nearly empty the Pool (and thus each multiply P by a very small number in range ]0,1[ ) may push P
 * to its 18 digit decimal limit, and round it to 0, when in fact the Pool hasn't been emptied: this would break deposit tracking.
 *
 * So, to track P accurately, we use a scale factor: if a liquidation would cause P to decrease to <1e-9 (and be rounded to 0 by Solidity),
 * we first multiply P by 1e9, and increment a currentScale factor by 1.
 *
 * The added benefit of using 1e9 for the scale factor (rather than 1e18) is that it ensures negligible precision loss close to the 
 * scale boundary: when P is at its minimum value of 1e9, the relative precision loss in P due to floor division is only on the 
 * order of 1e-9. 
 *
 * --- EPOCHS ---
 *
 * Whenever a liquidation fully empties the Stability Pool, all deposits should become 0. However, setting P to 0 would make P be 0
 * forever, and break all future reward calculations.
 *
 * So, every time the Stability Pool is emptied by a liquidation, we reset P = 1 and currentScale = 0, and increment the currentEpoch by 1.
 *
 * --- TRACKING DEPOSIT OVER SCALE CHANGES AND EPOCHS ---
 *
 * When a deposit is made, it gets snapshots of the currentEpoch and the currentScale.
 *
 * When calculating a compounded deposit, we compare the current epoch to the deposit's epoch snapshot. If the current epoch is newer,
 * then the deposit was present during a pool-emptying liquidation, and necessarily has been depleted to 0.
 *
 * Otherwise, we then compare the current scale to the deposit's scale snapshot. If they're equal, the compounded deposit is given by d_t * P/P_t.
 * If it spans one scale change, it is given by d_t * P/(P_t * 1e9). If it spans more than one scale change, we define the compounded deposit
 * as 0, since it is now less than 1e-9'th of its initial value (e.g. a deposit of 1 billion LUSD has depleted to < 1 LUSD).
 *
 *
 *  --- TRACKING DEPOSITOR'S ETH GAIN OVER SCALE CHANGES AND EPOCHS ---
 *
 * In the current epoch, the latest value of S is stored upon each scale change, and the mapping (scale -> S) is stored for each epoch.
 *
 * This allows us to calculate a deposit's accumulated ETH gain, during the epoch in which the deposit was non-zero and earned ETH.
 *
 * We calculate the depositor's accumulated ETH gain for the scale at which they made the deposit, using the ETH gain formula:
 * e_1 = d_t * (S - S_t) / P_t
 *
 * and also for scale after, taking care to divide the latter by a factor of 1e9:
 * e_2 = d_t * S / (P_t * 1e9)
 *
 * The gain in the second scale will be full, as the starting point was in the previous scale, thus no need to subtract anything.
 * The deposit therefore was present for reward events from the beginning of that second scale.
 *
 *        S_i-S_t + S_{i+1}
 *      .<--------.------------>
 *      .         .
 *      . S_i     .   S_{i+1}
 *   <--.-------->.<----------->
 *   S_t.         .
 *   <->.         .
 *      t         .
 *  |---+---------|-------------|-----...
 *         i            i+1
 *
 * The sum of (e_1 + e_2) captures the depositor's total accumulated ETH gain, handling the case where their
 * deposit spanned one scale change. We only care about gains across one scale change, since the compounded
 * deposit is defined as being 0 once it has spanned more than one scale change.
 *
 *
 * --- UPDATING P WHEN A LIQUIDATION OCCURS ---
 *
 * Please see the implementation spec in the proof document, which closely follows on from the compounded deposit / ETH gain derivations:
 * https://github.com/liquity/liquity/blob/master/papers/Scalable_Reward_Distribution_with_Compounding_Stakes.pdf
 *
 *
 * --- LQTY ISSUANCE TO STABILITY POOL DEPOSITORS ---
 *
 * An LQTY issuance event occurs at every deposit operation, and every liquidation.
 *
 * Each deposit is tagged with the address of the front end through which it was made.
 *
 * All deposits earn a share of the issued LQTY in proportion to the deposit as a share of total deposits. The LQTY earned
 * by a given deposit, is split between the depositor and the front end through which the deposit was made, based on the front end's kickbackRate.
 *
 * Please see the system Readme for an overview:
 * https://github.com/liquity/dev/blob/main/README.md#lqty-issuance-to-stability-providers
 *
 * We use the same mathematical product-sum approach to track LQTY gains for depositors, where 'G' is the sum corresponding to LQTY gains.
 * The product P (and snapshot P_t) is re-used, as the ratio P/P_t tracks a deposit's depletion due to liquidations.
 *
 */
contract StabilityPool is LiquityBase, Ownable, CheckContract, IStabilityPool {
    using LiquitySafeMath128 for uint128;

    string constant public NAME = "StabilityPool";

    IBorrowerOperations public borrowerOperations;

    ITroveManager public troveManager;

    ILUSDToken public lusdToken;

    // Needed to check if there are pending liquidations
    ISortedTroves public sortedTroves;

    ICommunityIssuance public communityIssuance;

    uint256 internal ETH;  // deposited ether tracker

    // Tracker for LUSD held in the pool. Changes when users deposit/withdraw, and when Trove debt is offset.
    uint256 internal totalLUSDDeposits;

   // --- Data structures ---

    struct FrontEnd {
        uint kickbackRate;
        bool registered;
    }

    struct Deposit {
        uint initialValue;
        address frontEndTag;
    }

    struct Snapshots {
        uint S;
        uint P;
        uint G;
        uint128 scale;
        uint128 epoch;
    }

    mapping (address => Deposit) public deposits;  // depositor address -> Deposit struct
    mapping (address => Snapshots) public depositSnapshots;  // depositor address -> snapshots struct

    mapping (address => FrontEnd) public frontEnds;  // front end address -> FrontEnd struct
    mapping (address => uint) public frontEndStakes; // front end address -> last recorded total deposits, tagged with that front end
    mapping (address => Snapshots) public frontEndSnapshots; // front end address -> snapshots struct

    /*  Product 'P': Running product by which to multiply an initial deposit, in order to find the current compounded deposit,
    * after a series of liquidations have occurred, each of which cancel some LUSD debt with the deposit.
    *
    * During its lifetime, a deposit's value evolves from d_t to d_t * P / P_t , where P_t
    * is the snapshot of P taken at the instant the deposit was made. 18-digit decimal.
    */
    uint public P = DECIMAL_PRECISION;

    uint public constant SCALE_FACTOR = 1e9;

    // Each time the scale of P shifts by SCALE_FACTOR, the scale is incremented by 1
    uint128 public currentScale;

    // With each offset that fully empties the Pool, the epoch is incremented by 1
    uint128 public currentEpoch;

    /* ETH Gain sum 'S': During its lifetime, each deposit d_t earns an ETH gain of ( d_t * [S - S_t] )/P_t, where S_t
    * is the depositor's snapshot of S taken at the time t when the deposit was made.
    *
    * The 'S' sums are stored in a nested mapping (epoch => scale => sum):
    *
    * - The inner mapping records the sum S at different scales
    * - The outer mapping records the (scale => sum) mappings, for different epochs.
    */
    mapping (uint128 => mapping(uint128 => uint)) public epochToScaleToSum;

    /*
    * Similarly, the sum 'G' is used to calculate LQTY gains. During it's lifetime, each deposit d_t earns a LQTY gain of
    *  ( d_t * [G - G_t] )/P_t, where G_t is the depositor's snapshot of G taken at time t when  the deposit was made.
    *
    *  LQTY reward events occur are triggered by depositor operations (new deposit, topup, withdrawal), and liquidations.
    *  In each case, the LQTY reward is issued (i.e. G is updated), before other state changes are made.
    */
    mapping (uint128 => mapping(uint128 => uint)) public epochToScaleToG;

    // Error tracker for the error correction in the LQTY issuance calculation
    uint public lastLQTYError;
    // Error trackers for the error correction in the offset calculation
    uint public lastETHError_Offset;
    uint public lastLUSDLossError_Offset;

    // --- Events ---

    event StabilityPoolETHBalanceUpdated(uint _newBalance);
    event StabilityPoolLUSDBalanceUpdated(uint _newBalance);

    event BorrowerOperationsAddressChanged(address _newBorrowerOperationsAddress);
    event TroveManagerAddressChanged(address _newTroveManagerAddress);
    event ActivePoolAddressChanged(address _newActivePoolAddress);
    event DefaultPoolAddressChanged(address _newDefaultPoolAddress);
    event LUSDTokenAddressChanged(address _newLUSDTokenAddress);
    event SortedTrovesAddressChanged(address _newSortedTrovesAddress);
    event PriceFeedAddressChanged(address _newPriceFeedAddress);
    event CommunityIssuanceAddressChanged(address _newCommunityIssuanceAddress);

    event P_Updated(uint _P);
    event S_Updated(uint _S, uint128 _epoch, uint128 _scale);
    event G_Updated(uint _G, uint128 _epoch, uint128 _scale);
    event EpochUpdated(uint128 _currentEpoch);
    event ScaleUpdated(uint128 _currentScale);

    event FrontEndRegistered(address indexed _frontEnd, uint _kickbackRate);
    event FrontEndTagSet(address indexed _depositor, address indexed _frontEnd);

    event DepositSnapshotUpdated(address indexed _depositor, uint _P, uint _S, uint _G);
    event FrontEndSnapshotUpdated(address indexed _frontEnd, uint _P, uint _G);
    event UserDepositChanged(address indexed _depositor, uint _newDeposit);
    event FrontEndStakeChanged(address indexed _frontEnd, uint _newFrontEndStake, address _depositor);

    event ETHGainWithdrawn(address indexed _depositor, uint _ETH, uint _LUSDLoss);
    event LQTYPaidToDepositor(address indexed _depositor, uint _LQTY);
    event LQTYPaidToFrontEnd(address indexed _frontEnd, uint _LQTY);
    event EtherSent(address _to, uint _amount);

    // --- Contract setters ---

    function setAddresses(
        address _borrowerOperationsAddress,
        address _troveManagerAddress,
        address _activePoolAddress,
        address _lusdTokenAddress,
        address _sortedTrovesAddress,
        address _priceFeedAddress,
        address _communityIssuanceAddress
    )
        external
        override
        onlyOwner
    {
        checkContract(_borrowerOperationsAddress);
        checkContract(_troveManagerAddress);
        checkContract(_activePoolAddress);
        checkContract(_lusdTokenAddress);
        checkContract(_sortedTrovesAddress);
        checkContract(_priceFeedAddress);
        checkContract(_communityIssuanceAddress);

        borrowerOperations = IBorrowerOperations(_borrowerOperationsAddress);
        troveManager = ITroveManager(_troveManagerAddress);
        activePool = IActivePool(_activePoolAddress);
        lusdToken = ILUSDToken(_lusdTokenAddress);
        sortedTroves = ISortedTroves(_sortedTrovesAddress);
        priceFeed = IPriceFeed(_priceFeedAddress);
        communityIssuance = ICommunityIssuance(_communityIssuanceAddress);

        emit BorrowerOperationsAddressChanged(_borrowerOperationsAddress);
        emit TroveManagerAddressChanged(_troveManagerAddress);
        emit ActivePoolAddressChanged(_activePoolAddress);
        emit LUSDTokenAddressChanged(_lusdTokenAddress);
        emit SortedTrovesAddressChanged(_sortedTrovesAddress);
        emit PriceFeedAddressChanged(_priceFeedAddress);
        emit CommunityIssuanceAddressChanged(_communityIssuanceAddress);

        _renounceOwnership();
    }

    // --- Getters for public variables. Required by IPool interface ---

    function getETH() external view override returns (uint) {
        return ETH;
    }

    function getTotalLUSDDeposits() external view override returns (uint) {
        return totalLUSDDeposits;
    }

    // --- External Depositor Functions ---

    /*  provideToSP():
    *
    * - Triggers a LQTY issuance, based on time passed since the last issuance. The LQTY issuance is shared between *all* depositors and front ends
    * - Tags the deposit with the provided front end tag param, if it's a new deposit
    * - Sends depositor's accumulated gains (LQTY, ETH) to depositor
    * - Sends the tagged front end's accumulated LQTY gains to the tagged front end
    * - Increases deposit and tagged front end's stake, and takes new snapshots for each.
    */
    function provideToSP(uint _amount, address _frontEndTag) external override {
        _requireFrontEndIsRegisteredOrZero(_frontEndTag);
        _requireFrontEndNotRegistered(msg.sender);
        _requireNonZeroAmount(_amount);

        uint initialDeposit = deposits[msg.sender].initialValue;

        ICommunityIssuance communityIssuanceCached = communityIssuance;

        _triggerLQTYIssuance(communityIssuanceCached);

        if (initialDeposit == 0) {_setFrontEndTag(msg.sender, _frontEndTag);}
        uint depositorETHGain = getDepositorETHGain(msg.sender);
        uint compoundedLUSDDeposit = getCompoundedLUSDDeposit(msg.sender);
        uint LUSDLoss = initialDeposit.sub(compoundedLUSDDeposit); // Needed only for event log

        // First pay out any LQTY gains
        address frontEnd = deposits[msg.sender].frontEndTag;
        _payOutLQTYGains(communityIssuanceCached, msg.sender, frontEnd);

        // Update front end stake
        uint compoundedFrontEndStake = getCompoundedFrontEndStake(frontEnd);
        uint newFrontEndStake = compoundedFrontEndStake.add(_amount);
        _updateFrontEndStakeAndSnapshots(frontEnd, newFrontEndStake);
        emit FrontEndStakeChanged(frontEnd, newFrontEndStake, msg.sender);

        _sendLUSDtoStabilityPool(msg.sender, _amount);

        uint newDeposit = compoundedLUSDDeposit.add(_amount);
        _updateDepositAndSnapshots(msg.sender, newDeposit);
        emit UserDepositChanged(msg.sender, newDeposit);

        emit ETHGainWithdrawn(msg.sender, depositorETHGain, LUSDLoss); // LUSD Loss required for event log

        _sendETHGainToDepositor(depositorETHGain);
     }

    /*  withdrawFromSP():
    *
    * - Triggers a LQTY issuance, based on time passed since the last issuance. The LQTY issuance is shared between *all* depositors and front ends
    * - Removes the deposit's front end tag if it is a full withdrawal
    * - Sends all depositor's accumulated gains (LQTY, ETH) to depositor
    * - Sends the tagged front end's accumulated LQTY gains to the tagged front end
    * - Decreases deposit and tagged front end's stake, and takes new snapshots for each.
    *
    * If _amount > userDeposit, the user withdraws all of their compounded deposit.
    */
    function withdrawFromSP(uint _amount) external override {
        if (_amount !=0) {_requireNoUnderCollateralizedTroves();}
        uint initialDeposit = deposits[msg.sender].initialValue;
        _requireUserHasDeposit(initialDeposit);

        ICommunityIssuance communityIssuanceCached = communityIssuance;

        _triggerLQTYIssuance(communityIssuanceCached);

        uint depositorETHGain = getDepositorETHGain(msg.sender);

        uint compoundedLUSDDeposit = getCompoundedLUSDDeposit(msg.sender);
        uint LUSDtoWithdraw = LiquityMath._min(_amount, compoundedLUSDDeposit);
        uint LUSDLoss = initialDeposit.sub(compoundedLUSDDeposit); // Needed only for event log

        // First pay out any LQTY gains
        address frontEnd = deposits[msg.sender].frontEndTag;
        _payOutLQTYGains(communityIssuanceCached, msg.sender, frontEnd);
        
        // Update front end stake
        uint compoundedFrontEndStake = getCompoundedFrontEndStake(frontEnd);
        uint newFrontEndStake = compoundedFrontEndStake.sub(LUSDtoWithdraw);
        _updateFrontEndStakeAndSnapshots(frontEnd, newFrontEndStake);
        emit FrontEndStakeChanged(frontEnd, newFrontEndStake, msg.sender);

        _sendLUSDToDepositor(msg.sender, LUSDtoWithdraw);

        // Update deposit
        uint newDeposit = compoundedLUSDDeposit.sub(LUSDtoWithdraw);
        _updateDepositAndSnapshots(msg.sender, newDeposit);
        emit UserDepositChanged(msg.sender, newDeposit);

        emit ETHGainWithdrawn(msg.sender, depositorETHGain, LUSDLoss);  // LUSD Loss required for event log

        _sendETHGainToDepositor(depositorETHGain);
    }

    /* withdrawETHGainToTrove:
    * - Triggers a LQTY issuance, based on time passed since the last issuance. The LQTY issuance is shared between *all* depositors and front ends
    * - Sends all depositor's LQTY gain to  depositor
    * - Sends all tagged front end's LQTY gain to the tagged front end
    * - Transfers the depositor's entire ETH gain from the Stability Pool to the caller's trove
    * - Leaves their compounded deposit in the Stability Pool
    * - Updates snapshots for deposit and tagged front end stake */
    function withdrawETHGainToTrove(address _upperHint, address _lowerHint) external override {
        uint initialDeposit = deposits[msg.sender].initialValue;
        _requireUserHasDeposit(initialDeposit);
        _requireUserHasTrove(msg.sender);
        _requireUserHasETHGain(msg.sender);

        ICommunityIssuance communityIssuanceCached = communityIssuance;

        _triggerLQTYIssuance(communityIssuanceCached);

        uint depositorETHGain = getDepositorETHGain(msg.sender);

        uint compoundedLUSDDeposit = getCompoundedLUSDDeposit(msg.sender);
        uint LUSDLoss = initialDeposit.sub(compoundedLUSDDeposit); // Needed only for event log

        // First pay out any LQTY gains
        address frontEnd = deposits[msg.sender].frontEndTag;
        _payOutLQTYGains(communityIssuanceCached, msg.sender, frontEnd);

        // Update front end stake
        uint compoundedFrontEndStake = getCompoundedFrontEndStake(frontEnd);
        uint newFrontEndStake = compoundedFrontEndStake;
        _updateFrontEndStakeAndSnapshots(frontEnd, newFrontEndStake);
        emit FrontEndStakeChanged(frontEnd, newFrontEndStake, msg.sender);

        _updateDepositAndSnapshots(msg.sender, compoundedLUSDDeposit);

        /* Emit events before transferring ETH gain to Trove.
         This lets the event log make more sense (i.e. so it appears that first the ETH gain is withdrawn
        and then it is deposited into the Trove, not the other way around). */
        emit ETHGainWithdrawn(msg.sender, depositorETHGain, LUSDLoss);
        emit UserDepositChanged(msg.sender, compoundedLUSDDeposit);

        ETH = ETH.sub(depositorETHGain);
        emit StabilityPoolETHBalanceUpdated(ETH);
        emit EtherSent(msg.sender, depositorETHGain);

        borrowerOperations.moveETHGainToTrove{ value: depositorETHGain }(msg.sender, _upperHint, _lowerHint);
    }

    // --- LQTY issuance functions ---

    function _triggerLQTYIssuance(ICommunityIssuance _communityIssuance) internal {
        uint LQTYIssuance = _communityIssuance.issueLQTY();
       _updateG(LQTYIssuance);
    }

    function _updateG(uint _LQTYIssuance) internal {
        uint totalLUSD = totalLUSDDeposits; // cached to save an SLOAD
        /*
        * When total deposits is 0, G is not updated. In this case, the LQTY issued can not be obtained by later
        * depositors - it is missed out on, and remains in the balanceof the CommunityIssuance contract.
        *
        */
        if (totalLUSD == 0 || _LQTYIssuance == 0) {return;}

        uint LQTYPerUnitStaked;
        LQTYPerUnitStaked =_computeLQTYPerUnitStaked(_LQTYIssuance, totalLUSD);

        uint marginalLQTYGain = LQTYPerUnitStaked.mul(P);
        epochToScaleToG[currentEpoch][currentScale] = epochToScaleToG[currentEpoch][currentScale].add(marginalLQTYGain);

        emit G_Updated(epochToScaleToG[currentEpoch][currentScale], currentEpoch, currentScale);
    }

    function _computeLQTYPerUnitStaked(uint _LQTYIssuance, uint _totalLUSDDeposits) internal returns (uint) {
        /*  
        * Calculate the LQTY-per-unit staked.  Division uses a "feedback" error correction, to keep the 
        * cumulative error low in the running total G:
        *
        * 1) Form a numerator which compensates for the floor division error that occurred the last time this 
        * function was called.  
        * 2) Calculate "per-unit-staked" ratio.
        * 3) Multiply the ratio back by its denominator, to reveal the current floor division error.
        * 4) Store this error for use in the next correction when this function is called.
        * 5) Note: static analysis tools complain about this "division before multiplication", however, it is intended.
        */
        uint LQTYNumerator = _LQTYIssuance.mul(DECIMAL_PRECISION).add(lastLQTYError);

        uint LQTYPerUnitStaked = LQTYNumerator.div(_totalLUSDDeposits);
        lastLQTYError = LQTYNumerator.sub(LQTYPerUnitStaked.mul(_totalLUSDDeposits));

        return LQTYPerUnitStaked;
    }

    // --- Liquidation functions ---

    /*
    * Cancels out the specified debt against the LUSD contained in the Stability Pool (as far as possible)
    * and transfers the Trove's ETH collateral from ActivePool to StabilityPool.
    * Only called by liquidation functions in the TroveManager.
    */
    function offset(uint _debtToOffset, uint _collToAdd) external override {
        _requireCallerIsTroveManager();
        uint totalLUSD = totalLUSDDeposits; // cached to save an SLOAD
        if (totalLUSD == 0 || _debtToOffset == 0) { return; }

        _triggerLQTYIssuance(communityIssuance);

        (uint ETHGainPerUnitStaked,
            uint LUSDLossPerUnitStaked) = _computeRewardsPerUnitStaked(_collToAdd, _debtToOffset, totalLUSD);

        _updateRewardSumAndProduct(ETHGainPerUnitStaked, LUSDLossPerUnitStaked);  // updates S and P

        _moveOffsetCollAndDebt(_collToAdd, _debtToOffset);
    }

    // --- Offset helper functions ---

    function _computeRewardsPerUnitStaked(
        uint _collToAdd,
        uint _debtToOffset,
        uint _totalLUSDDeposits
    )
        internal
        returns (uint ETHGainPerUnitStaked, uint LUSDLossPerUnitStaked)
    {
        /*
        * Compute the LUSD and ETH rewards. Uses a "feedback" error correction, to keep
        * the cumulative error in the P and S state variables low:
        *
        * 1) Form numerators which compensate for the floor division errors that occurred the last time this 
        * function was called.  
        * 2) Calculate "per-unit-staked" ratios.
        * 3) Multiply each ratio back by its denominator, to reveal the current floor division error.
        * 4) Store these errors for use in the next correction when this function is called.
        * 5) Note: static analysis tools complain about this "division before multiplication", however, it is intended.
        */
        uint ETHNumerator = _collToAdd.mul(DECIMAL_PRECISION).add(lastETHError_Offset);

        assert(_debtToOffset <= _totalLUSDDeposits);
        if (_debtToOffset == _totalLUSDDeposits) {
            LUSDLossPerUnitStaked = DECIMAL_PRECISION;  // When the Pool depletes to 0, so does each deposit 
            lastLUSDLossError_Offset = 0;
        } else {
            uint LUSDLossNumerator = _debtToOffset.mul(DECIMAL_PRECISION).sub(lastLUSDLossError_Offset);
            /*
            * Add 1 to make error in quotient positive. We want "slightly too much" LUSD loss,
            * which ensures the error in any given compoundedLUSDDeposit favors the Stability Pool.
            */
            LUSDLossPerUnitStaked = (LUSDLossNumerator.div(_totalLUSDDeposits)).add(1);
            lastLUSDLossError_Offset = (LUSDLossPerUnitStaked.mul(_totalLUSDDeposits)).sub(LUSDLossNumerator);
        }

        ETHGainPerUnitStaked = ETHNumerator.div(_totalLUSDDeposits);
        lastETHError_Offset = ETHNumerator.sub(ETHGainPerUnitStaked.mul(_totalLUSDDeposits));

        return (ETHGainPerUnitStaked, LUSDLossPerUnitStaked);
    }

    // Update the Stability Pool reward sum S and product P
    function _updateRewardSumAndProduct(uint _ETHGainPerUnitStaked, uint _LUSDLossPerUnitStaked) internal {
        uint currentP = P;
        uint newP;

        assert(_LUSDLossPerUnitStaked <= DECIMAL_PRECISION);
        /*
        * The newProductFactor is the factor by which to change all deposits, due to the depletion of Stability Pool LUSD in the liquidation.
        * We make the product factor 0 if there was a pool-emptying. Otherwise, it is (1 - LUSDLossPerUnitStaked)
        */
        uint newProductFactor = uint(DECIMAL_PRECISION).sub(_LUSDLossPerUnitStaked);

        uint128 currentScaleCached = currentScale;
        uint128 currentEpochCached = currentEpoch;
        uint currentS = epochToScaleToSum[currentEpochCached][currentScaleCached];

        /*
        * Calculate the new S first, before we update P.
        * The ETH gain for any given depositor from a liquidation depends on the value of their deposit
        * (and the value of totalDeposits) prior to the Stability being depleted by the debt in the liquidation.
        *
        * Since S corresponds to ETH gain, and P to deposit loss, we update S first.
        */
        uint marginalETHGain = _ETHGainPerUnitStaked.mul(currentP);
        uint newS = currentS.add(marginalETHGain);
        epochToScaleToSum[currentEpochCached][currentScaleCached] = newS;
        emit S_Updated(newS, currentEpochCached, currentScaleCached);

        // If the Stability Pool was emptied, increment the epoch, and reset the scale and product P
        if (newProductFactor == 0) {
            currentEpoch = currentEpochCached.add(1);
            emit EpochUpdated(currentEpoch);
            currentScale = 0;
            emit ScaleUpdated(currentScale);
            newP = DECIMAL_PRECISION;

        // If multiplying P by a non-zero product factor would reduce P below the scale boundary, increment the scale
        } else if (currentP.mul(newProductFactor).div(DECIMAL_PRECISION) < SCALE_FACTOR) {
            newP = currentP.mul(newProductFactor).mul(SCALE_FACTOR).div(DECIMAL_PRECISION); 
            currentScale = currentScaleCached.add(1);
            emit ScaleUpdated(currentScale);
        } else {
            newP = currentP.mul(newProductFactor).div(DECIMAL_PRECISION);
        }

        assert(newP > 0);
        P = newP;

        emit P_Updated(newP);
    }

    function _moveOffsetCollAndDebt(uint _collToAdd, uint _debtToOffset) internal {
        IActivePool activePoolCached = activePool;

        // Cancel the liquidated LUSD debt with the LUSD in the stability pool
        activePoolCached.decreaseLUSDDebt(_debtToOffset);
        _decreaseLUSD(_debtToOffset);

        // Burn the debt that was successfully offset
        lusdToken.burn(address(this), _debtToOffset);

        activePoolCached.sendETH(address(this), _collToAdd);
    }

    function _decreaseLUSD(uint _amount) internal {
        uint newTotalLUSDDeposits = totalLUSDDeposits.sub(_amount);
        totalLUSDDeposits = newTotalLUSDDeposits;
        emit StabilityPoolLUSDBalanceUpdated(newTotalLUSDDeposits);
    }

    // --- Reward calculator functions for depositor and front end ---

    /* Calculates the ETH gain earned by the deposit since its last snapshots were taken.
    * Given by the formula:  E = d0 * (S - S(0))/P(0)
    * where S(0) and P(0) are the depositor's snapshots of the sum S and product P, respectively.
    * d0 is the last recorded deposit value.
    */
    function getDepositorETHGain(address _depositor) public view override returns (uint) {
        uint initialDeposit = deposits[_depositor].initialValue;

        if (initialDeposit == 0) { return 0; }

        Snapshots memory snapshots = depositSnapshots[_depositor];

        uint ETHGain = _getETHGainFromSnapshots(initialDeposit, snapshots);
        return ETHGain;
    }

    function _getETHGainFromSnapshots(uint initialDeposit, Snapshots memory snapshots) internal view returns (uint) {
        /*
        * Grab the sum 'S' from the epoch at which the stake was made. The ETH gain may span up to one scale change.
        * If it does, the second portion of the ETH gain is scaled by 1e9.
        * If the gain spans no scale change, the second portion will be 0.
        */
        uint128 epochSnapshot = snapshots.epoch;
        uint128 scaleSnapshot = snapshots.scale;
        uint S_Snapshot = snapshots.S;
        uint P_Snapshot = snapshots.P;

        uint firstPortion = epochToScaleToSum[epochSnapshot][scaleSnapshot].sub(S_Snapshot);
        uint secondPortion = epochToScaleToSum[epochSnapshot][scaleSnapshot.add(1)].div(SCALE_FACTOR);

        uint ETHGain = initialDeposit.mul(firstPortion.add(secondPortion)).div(P_Snapshot).div(DECIMAL_PRECISION);

        return ETHGain;
    }

    /*
    * Calculate the LQTY gain earned by a deposit since its last snapshots were taken.
    * Given by the formula:  LQTY = d0 * (G - G(0))/P(0)
    * where G(0) and P(0) are the depositor's snapshots of the sum G and product P, respectively.
    * d0 is the last recorded deposit value.
    */
    function getDepositorLQTYGain(address _depositor) public view override returns (uint) {
        uint initialDeposit = deposits[_depositor].initialValue;
        if (initialDeposit == 0) {return 0;}

        address frontEndTag = deposits[_depositor].frontEndTag;

        /*
        * If not tagged with a front end, the depositor gets a 100% cut of what their deposit earned.
        * Otherwise, their cut of the deposit's earnings is equal to the kickbackRate, set by the front end through
        * which they made their deposit.
        */
        uint kickbackRate = frontEndTag == address(0) ? DECIMAL_PRECISION : frontEnds[frontEndTag].kickbackRate;

        Snapshots memory snapshots = depositSnapshots[_depositor];

        uint LQTYGain = kickbackRate.mul(_getLQTYGainFromSnapshots(initialDeposit, snapshots)).div(DECIMAL_PRECISION);

        return LQTYGain;
    }

    /*
    * Return the LQTY gain earned by the front end. Given by the formula:  E = D0 * (G - G(0))/P(0)
    * where G(0) and P(0) are the depositor's snapshots of the sum G and product P, respectively.
    *
    * D0 is the last recorded value of the front end's total tagged deposits.
    */
    function getFrontEndLQTYGain(address _frontEnd) public view override returns (uint) {
        uint frontEndStake = frontEndStakes[_frontEnd];
        if (frontEndStake == 0) { return 0; }

        uint kickbackRate = frontEnds[_frontEnd].kickbackRate;
        uint frontEndShare = uint(DECIMAL_PRECISION).sub(kickbackRate);

        Snapshots memory snapshots = frontEndSnapshots[_frontEnd];

        uint LQTYGain = frontEndShare.mul(_getLQTYGainFromSnapshots(frontEndStake, snapshots)).div(DECIMAL_PRECISION);
        return LQTYGain;
    }

    function _getLQTYGainFromSnapshots(uint initialStake, Snapshots memory snapshots) internal view returns (uint) {
       /*
        * Grab the sum 'G' from the epoch at which the stake was made. The LQTY gain may span up to one scale change.
        * If it does, the second portion of the LQTY gain is scaled by 1e9.
        * If the gain spans no scale change, the second portion will be 0.
        */
        uint128 epochSnapshot = snapshots.epoch;
        uint128 scaleSnapshot = snapshots.scale;
        uint G_Snapshot = snapshots.G;
        uint P_Snapshot = snapshots.P;

        uint firstPortion = epochToScaleToG[epochSnapshot][scaleSnapshot].sub(G_Snapshot);
        uint secondPortion = epochToScaleToG[epochSnapshot][scaleSnapshot.add(1)].div(SCALE_FACTOR);

        uint LQTYGain = initialStake.mul(firstPortion.add(secondPortion)).div(P_Snapshot).div(DECIMAL_PRECISION);

        return LQTYGain;
    }

    // --- Compounded deposit and compounded front end stake ---

    /*
    * Return the user's compounded deposit. Given by the formula:  d = d0 * P/P(0)
    * where P(0) is the depositor's snapshot of the product P, taken when they last updated their deposit.
    */
    function getCompoundedLUSDDeposit(address _depositor) public view override returns (uint) {
        uint initialDeposit = deposits[_depositor].initialValue;
        if (initialDeposit == 0) { return 0; }

        Snapshots memory snapshots = depositSnapshots[_depositor];

        uint compoundedDeposit = _getCompoundedStakeFromSnapshots(initialDeposit, snapshots);
        return compoundedDeposit;
    }

    /*
    * Return the front end's compounded stake. Given by the formula:  D = D0 * P/P(0)
    * where P(0) is the depositor's snapshot of the product P, taken at the last time
    * when one of the front end's tagged deposits updated their deposit.
    *
    * The front end's compounded stake is equal to the sum of its depositors' compounded deposits.
    */
    function getCompoundedFrontEndStake(address _frontEnd) public view override returns (uint) {
        uint frontEndStake = frontEndStakes[_frontEnd];
        if (frontEndStake == 0) { return 0; }

        Snapshots memory snapshots = frontEndSnapshots[_frontEnd];

        uint compoundedFrontEndStake = _getCompoundedStakeFromSnapshots(frontEndStake, snapshots);
        return compoundedFrontEndStake;
    }

    // Internal function, used to calculcate compounded deposits and compounded front end stakes.
    function _getCompoundedStakeFromSnapshots(
        uint initialStake,
        Snapshots memory snapshots
    )
        internal
        view
        returns (uint)
    {
        uint snapshot_P = snapshots.P;
        uint128 scaleSnapshot = snapshots.scale;
        uint128 epochSnapshot = snapshots.epoch;

        // If stake was made before a pool-emptying event, then it has been fully cancelled with debt -- so, return 0
        if (epochSnapshot < currentEpoch) { return 0; }

        uint compoundedStake;
        uint128 scaleDiff = currentScale.sub(scaleSnapshot);

        /* Compute the compounded stake. If a scale change in P was made during the stake's lifetime,
        * account for it. If more than one scale change was made, then the stake has decreased by a factor of
        * at least 1e-9 -- so return 0.
        */
        if (scaleDiff == 0) {
            compoundedStake = initialStake.mul(P).div(snapshot_P);
        } else if (scaleDiff == 1) {
            compoundedStake = initialStake.mul(P).div(snapshot_P).div(SCALE_FACTOR);
        } else { // if scaleDiff >= 2
            compoundedStake = 0;
        }

        /*
        * If compounded deposit is less than a billionth of the initial deposit, return 0.
        *
        * NOTE: originally, this line was in place to stop rounding errors making the deposit too large. However, the error
        * corrections should ensure the error in P "favors the Pool", i.e. any given compounded deposit should slightly less
        * than it's theoretical value.
        *
        * Thus it's unclear whether this line is still really needed.
        */
        if (compoundedStake < initialStake.div(1e9)) {return 0;}

        return compoundedStake;
    }

    // --- Sender functions for LUSD deposit, ETH gains and LQTY gains ---

    // Transfer the LUSD tokens from the user to the Stability Pool's address, and update its recorded LUSD
    function _sendLUSDtoStabilityPool(address _address, uint _amount) internal {
        lusdToken.sendToPool(_address, address(this), _amount);
        uint newTotalLUSDDeposits = totalLUSDDeposits.add(_amount);
        totalLUSDDeposits = newTotalLUSDDeposits;
        emit StabilityPoolLUSDBalanceUpdated(newTotalLUSDDeposits);
    }

    function _sendETHGainToDepositor(uint _amount) internal {
        if (_amount == 0) {return;}
        uint newETH = ETH.sub(_amount);
        ETH = newETH;
        emit StabilityPoolETHBalanceUpdated(newETH);
        emit EtherSent(msg.sender, _amount);

        (bool success, ) = msg.sender.call{ value: _amount }("");
        require(success, "StabilityPool: sending ETH failed");
    }

    // Send LUSD to user and decrease LUSD in Pool
    function _sendLUSDToDepositor(address _depositor, uint LUSDWithdrawal) internal {
        if (LUSDWithdrawal == 0) {return;}

        lusdToken.returnFromPool(address(this), _depositor, LUSDWithdrawal);
        _decreaseLUSD(LUSDWithdrawal);
    }

    // --- External Front End functions ---

    // Front end makes a one-time selection of kickback rate upon registering
    function registerFrontEnd(uint _kickbackRate) external override {
        _requireFrontEndNotRegistered(msg.sender);
        _requireUserHasNoDeposit(msg.sender);
        _requireValidKickbackRate(_kickbackRate);

        frontEnds[msg.sender].kickbackRate = _kickbackRate;
        frontEnds[msg.sender].registered = true;

        emit FrontEndRegistered(msg.sender, _kickbackRate);
    }

    // --- Stability Pool Deposit Functionality ---

    function _setFrontEndTag(address _depositor, address _frontEndTag) internal {
        deposits[_depositor].frontEndTag = _frontEndTag;
        emit FrontEndTagSet(_depositor, _frontEndTag);
    }


    function _updateDepositAndSnapshots(address _depositor, uint _newValue) internal {
        deposits[_depositor].initialValue = _newValue;

        if (_newValue == 0) {
            delete deposits[_depositor].frontEndTag;
            delete depositSnapshots[_depositor];
            emit DepositSnapshotUpdated(_depositor, 0, 0, 0);
            return;
        }
        uint128 currentScaleCached = currentScale;
        uint128 currentEpochCached = currentEpoch;
        uint currentP = P;

        // Get S and G for the current epoch and current scale
        uint currentS = epochToScaleToSum[currentEpochCached][currentScaleCached];
        uint currentG = epochToScaleToG[currentEpochCached][currentScaleCached];

        // Record new snapshots of the latest running product P, sum S, and sum G, for the depositor
        depositSnapshots[_depositor].P = currentP;
        depositSnapshots[_depositor].S = currentS;
        depositSnapshots[_depositor].G = currentG;
        depositSnapshots[_depositor].scale = currentScaleCached;
        depositSnapshots[_depositor].epoch = currentEpochCached;

        emit DepositSnapshotUpdated(_depositor, currentP, currentS, currentG);
    }

    function _updateFrontEndStakeAndSnapshots(address _frontEnd, uint _newValue) internal {
        frontEndStakes[_frontEnd] = _newValue;

        if (_newValue == 0) {
            delete frontEndSnapshots[_frontEnd];
            emit FrontEndSnapshotUpdated(_frontEnd, 0, 0);
            return;
        }

        uint128 currentScaleCached = currentScale;
        uint128 currentEpochCached = currentEpoch;
        uint currentP = P;

        // Get G for the current epoch and current scale
        uint currentG = epochToScaleToG[currentEpochCached][currentScaleCached];

        // Record new snapshots of the latest running product P and sum G for the front end
        frontEndSnapshots[_frontEnd].P = currentP;
        frontEndSnapshots[_frontEnd].G = currentG;
        frontEndSnapshots[_frontEnd].scale = currentScaleCached;
        frontEndSnapshots[_frontEnd].epoch = currentEpochCached;

        emit FrontEndSnapshotUpdated(_frontEnd, currentP, currentG);
    }

    function _payOutLQTYGains(ICommunityIssuance _communityIssuance, address _depositor, address _frontEnd) internal {
        // Pay out front end's LQTY gain
        if (_frontEnd != address(0)) {
            uint frontEndLQTYGain = getFrontEndLQTYGain(_frontEnd);
            _communityIssuance.sendLQTY(_frontEnd, frontEndLQTYGain);
            emit LQTYPaidToFrontEnd(_frontEnd, frontEndLQTYGain);
        }

        // Pay out depositor's LQTY gain
        uint depositorLQTYGain = getDepositorLQTYGain(_depositor);
        _communityIssuance.sendLQTY(_depositor, depositorLQTYGain);
        emit LQTYPaidToDepositor(_depositor, depositorLQTYGain);
    }

    // --- 'require' functions ---

    function _requireCallerIsActivePool() internal view {
        require( msg.sender == address(activePool), "StabilityPool: Caller is not ActivePool");
    }

    function _requireCallerIsTroveManager() internal view {
        require(msg.sender == address(troveManager), "StabilityPool: Caller is not TroveManager");
    }

    function _requireNoUnderCollateralizedTroves() internal {
        uint price = priceFeed.fetchPrice();
        address lowestTrove = sortedTroves.getLast();
        uint ICR = troveManager.getCurrentICR(lowestTrove, price);
        require(ICR >= MCR, "StabilityPool: Cannot withdraw while there are troves with ICR < MCR");
    }

    function _requireUserHasDeposit(uint _initialDeposit) internal pure {
        require(_initialDeposit > 0, 'StabilityPool: User must have a non-zero deposit');
    }

     function _requireUserHasNoDeposit(address _address) internal view {
        uint initialDeposit = deposits[_address].initialValue;
        require(initialDeposit == 0, 'StabilityPool: User must have no deposit');
    }

    function _requireNonZeroAmount(uint _amount) internal pure {
        require(_amount > 0, 'StabilityPool: Amount must be non-zero');
    }

    function _requireUserHasTrove(address _depositor) internal view {
        require(troveManager.getTroveStatus(_depositor) == 1, "StabilityPool: caller must have an active trove to withdraw ETHGain to");
    }

    function _requireUserHasETHGain(address _depositor) internal view {
        uint ETHGain = getDepositorETHGain(_depositor);
        require(ETHGain > 0, "StabilityPool: caller must have non-zero ETH Gain");
    }

    function _requireFrontEndNotRegistered(address _address) internal view {
        require(!frontEnds[_address].registered, "StabilityPool: must not already be a registered front end");
    }

     function _requireFrontEndIsRegisteredOrZero(address _address) internal view {
        require(frontEnds[_address].registered || _address == address(0),
            "StabilityPool: Tag must be a registered front end, or the zero address");
    }

    function  _requireValidKickbackRate(uint _kickbackRate) internal pure {
        require (_kickbackRate <= DECIMAL_PRECISION, "StabilityPool: Kickback rate must be in range [0,1]");
    }

    // --- Fallback function ---

    receive() external payable {
        _requireCallerIsActivePool();
        ETH = ETH.add(msg.value);
        StabilityPoolETHBalanceUpdated(ETH);
    }
}


// File contracts/B.Protocol/crop.sol


// Copyright (C) 2021 Dai Foundation
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

pragma solidity 0.6.11;

interface VatLike {
    function urns(bytes32, address) external view returns (uint256, uint256);
    function gem(bytes32, address) external view returns (uint256);
    function slip(bytes32, address, int256) external;
}

interface ERC20 {
    function balanceOf(address owner) external view returns (uint256);
    function transfer(address dst, uint256 amount) external returns (bool);
    function transferFrom(address src, address dst, uint256 amount) external returns (bool);
    function approve(address spender, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function decimals() external returns (uint8);
}

// receives tokens and shares them among holders
contract CropJoin {

    VatLike     public immutable vat;    // cdp engine
    bytes32     public immutable ilk;    // collateral type
    ERC20       public immutable gem;    // collateral token
    uint256     public immutable dec;    // gem decimals
    ERC20       public immutable bonus;  // rewards token

    uint256     public share;  // crops per gem    [ray]
    uint256     public total;  // total gems       [wad]
    uint256     public stock;  // crop balance     [wad]

    mapping (address => uint256) public crops; // crops per user  [wad]
    mapping (address => uint256) public stake; // gems per user   [wad]

    uint256 immutable internal to18ConversionFactor;
    uint256 immutable internal toGemConversionFactor;

    // --- Events ---
    event Join(uint256 val);
    event Exit(uint256 val);
    event Flee();
    event Tack(address indexed src, address indexed dst, uint256 wad);

    constructor(address vat_, bytes32 ilk_, address gem_, address bonus_) public {
        vat = VatLike(vat_);
        ilk = ilk_;
        gem = ERC20(gem_);
        uint256 dec_ = ERC20(gem_).decimals();
        require(dec_ <= 18);
        dec = dec_;
        to18ConversionFactor = 10 ** (18 - dec_);
        toGemConversionFactor = 10 ** dec_;

        bonus = ERC20(bonus_);
    }

    function add(uint256 x, uint256 y) public pure returns (uint256 z) {
        require((z = x + y) >= x, "ds-math-add-overflow");
    }
    function sub(uint256 x, uint256 y) public pure returns (uint256 z) {
        require((z = x - y) <= x, "ds-math-sub-underflow");
    }
    function mul(uint256 x, uint256 y) public pure returns (uint256 z) {
        require(y == 0 || (z = x * y) / y == x, "ds-math-mul-overflow");
    }
    function divup(uint256 x, uint256 y) internal pure returns (uint256 z) {
        z = add(x, sub(y, 1)) / y;
    }
    uint256 constant WAD  = 10 ** 18;
    function wmul(uint256 x, uint256 y) public pure returns (uint256 z) {
        z = mul(x, y) / WAD;
    }
    function wdiv(uint256 x, uint256 y) public pure returns (uint256 z) {
        z = mul(x, WAD) / y;
    }
    function wdivup(uint256 x, uint256 y) public pure returns (uint256 z) {
        z = divup(mul(x, WAD), y);
    }
    uint256 constant RAY  = 10 ** 27;
    function rmul(uint256 x, uint256 y) public pure returns (uint256 z) {
        z = mul(x, y) / RAY;
    }
    function rmulup(uint256 x, uint256 y) public pure returns (uint256 z) {
        z = divup(mul(x, y), RAY);
    }
    function rdiv(uint256 x, uint256 y) public pure returns (uint256 z) {
        z = mul(x, RAY) / y;
    }

    // Net Asset Valuation [wad]
    function nav() public virtual returns (uint256) {
        uint256 _nav = gem.balanceOf(address(this));
        return mul(_nav, to18ConversionFactor);
    }

    // Net Assets per Share [wad]
    function nps() public returns (uint256) {
        if (total == 0) return WAD;
        else return wdiv(nav(), total);
    }

    function crop() internal virtual returns (uint256) {
        return sub(bonus.balanceOf(address(this)), stock);
    }

    function harvest(address from, address to) internal {
        if (total > 0) share = add(share, rdiv(crop(), total));

        uint256 last = crops[from];
        uint256 curr = rmul(stake[from], share);
        if (curr > last) require(bonus.transfer(to, curr - last));
        stock = bonus.balanceOf(address(this));
    }

    function join(address urn, uint256 val) internal virtual {
        harvest(urn, urn);
        if (val > 0) {
            uint256 wad = wdiv(mul(val, to18ConversionFactor), nps());

            // Overflow check for int256(wad) cast below
            // Also enforces a non-zero wad
            require(int256(wad) > 0);

            require(gem.transferFrom(msg.sender, address(this), val));
            vat.slip(ilk, urn, int256(wad));

            total = add(total, wad);
            stake[urn] = add(stake[urn], wad);
        }
        crops[urn] = rmulup(stake[urn], share);
        emit Join(val);
    }

    function exit(address guy, uint256 val) internal virtual {
        harvest(msg.sender, guy);
        if (val > 0) {
            uint256 wad = wdivup(mul(val, to18ConversionFactor), nps());

            // Overflow check for int256(wad) cast below
            // Also enforces a non-zero wad
            require(int256(wad) > 0);

            require(gem.transfer(guy, val));
            vat.slip(ilk, msg.sender, -int256(wad));

            total = sub(total, wad);
            stake[msg.sender] = sub(stake[msg.sender], wad);
        }
        crops[msg.sender] = rmulup(stake[msg.sender], share);
        emit Exit(val);
    }
}


// File contracts/B.Protocol/CropJoinAdapter.sol



pragma solidity 0.6.11;


// NOTE! - this is not an ERC20 token. transfer is not supported.
contract CropJoinAdapter is CropJoin {
    string constant public name = "B.AMM LUSD-ETH";
    string constant public symbol = "LUSDETH";
    uint constant public decimals = 18;

    event Transfer(address indexed _from, address indexed _to, uint256 _value);

    constructor(address _lqty) public 
        CropJoin(address(new Dummy()), "B.AMM", address(new DummyGem()), _lqty)
    {
    }

    // adapter to cropjoin
    function nav() public override returns (uint256) {
        return total;
    }
    
    function totalSupply() public view returns (uint256) {
        return total;
    }

    function balanceOf(address owner) public view returns (uint256 balance) {
        balance = stake[owner];
    }

    function mint(address to, uint value) virtual internal {
        join(to, value);
        emit Transfer(address(0), to, value);
    }

    function burn(address owner, uint value) virtual internal {
        exit(owner, value);
        emit Transfer(owner, address(0), value);        
    }
}

contract Dummy {
    fallback() external {}
}

contract DummyGem is Dummy {
    function transfer(address, uint) external pure returns(bool) {
        return true;
    }

    function transferFrom(address, address, uint) external pure returns(bool) {
        return true;
    }

    function decimals() external pure returns(uint) {
        return 18;
    } 
}


// File contracts/B.Protocol/PriceFormula.sol



pragma solidity 0.6.11;

contract PriceFormula {
    using SafeMath for uint256;

    function getSumFixedPoint(uint x, uint y, uint A) public pure returns(uint) {
        if(x == 0 && y == 0) return 0;

        uint sum = x.add(y);

        for(uint i = 0 ; i < 255 ; i++) {
            uint dP = sum;
            dP = dP.mul(sum) / (x.mul(2)).add(1);
            dP = dP.mul(sum) / (y.mul(2)).add(1);

            uint prevSum = sum;

            uint n = (A.mul(2).mul(x.add(y)).add(dP.mul(2))).mul(sum);
            uint d = (A.mul(2).sub(1).mul(sum));
            sum = n / d.add(dP.mul(3));

            if(sum <= prevSum.add(1) && prevSum <= sum.add(1)) break;
        }

        return sum;
    }

    function getReturn(uint xQty, uint xBalance, uint yBalance, uint A) public pure returns(uint) {
        uint sum = getSumFixedPoint(xBalance, yBalance, A);

        uint c = sum.mul(sum) / (xQty.add(xBalance)).mul(2);
        c = c.mul(sum) / A.mul(4);
        uint b = (xQty.add(xBalance)).add(sum / A.mul(2));
        uint yPrev = 0;
        uint y = sum;

        for(uint i = 0 ; i < 255 ; i++) {
            yPrev = y;
            uint n = (y.mul(y)).add(c);
            uint d = y.mul(2).add(b).sub(sum); 
            y = n / d;

            if(y <= yPrev.add(1) && yPrev <= y.add(1)) break;
        }

        return yBalance.sub(y).sub(1);
    }
}


// File contracts/Dependencies/AggregatorV3Interface.sol


// Code from https://github.com/smartcontractkit/chainlink/blob/master/evm-contracts/src/v0.6/interfaces/AggregatorV3Interface.sol

pragma solidity 0.6.11;

interface AggregatorV3Interface {

  function decimals() external view returns (uint8);
  function description() external view returns (string memory);
  function version() external view returns (uint256);

  // getRoundData and latestRoundData should both raise "No data present"
  // if they do not have data to report, instead of returning unset values
  // which could be misinterpreted as actual reported values.
  function getRoundData(uint80 _roundId)
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
}


// File contracts/B.Protocol/BAMM.sol



pragma solidity 0.6.11;








contract BAMM is CropJoinAdapter, PriceFormula, Ownable {
    using SafeMath for uint256;

    AggregatorV3Interface public immutable priceAggregator;
    AggregatorV3Interface public immutable lusd2UsdPriceAggregator;    
    IERC20 public immutable LUSD;
    StabilityPool immutable public SP;

    address payable public immutable feePool;
    uint public constant MAX_FEE = 100; // 1%
    uint public fee = 0; // fee in bps
    uint public A = 20;
    uint public constant MIN_A = 20;
    uint public constant MAX_A = 200;    

    uint public immutable maxDiscount; // max discount in bips

    address public immutable frontEndTag;

    uint constant public PRECISION = 1e18;

    event ParamsSet(uint A, uint fee);
    event UserDeposit(address indexed user, uint lusdAmount, uint numShares);
    event UserWithdraw(address indexed user, uint lusdAmount, uint ethAmount, uint numShares);
    event RebalanceSwap(address indexed user, uint lusdAmount, uint ethAmount, uint timestamp);

    constructor(
        address _priceAggregator,
        address _lusd2UsdPriceAggregator,
        address payable _SP,
        address _LUSD,
        address _LQTY,
        uint _maxDiscount,
        address payable _feePool,
        address _fronEndTag)
        public
        CropJoinAdapter(_LQTY)
    {
        priceAggregator = AggregatorV3Interface(_priceAggregator);
        lusd2UsdPriceAggregator = AggregatorV3Interface(_lusd2UsdPriceAggregator);
        LUSD = IERC20(_LUSD);
        SP = StabilityPool(_SP);

        feePool = _feePool;
        maxDiscount = _maxDiscount;
        frontEndTag = _fronEndTag;
    }

    function setParams(uint _A, uint _fee) external onlyOwner {
        require(_fee <= MAX_FEE, "setParams: fee is too big");
        require(_A >= MIN_A, "setParams: A too small");
        require(_A <= MAX_A, "setParams: A too big");

        fee = _fee;
        A = _A;

        emit ParamsSet(_A, _fee);
    }

    function fetchPrice() public view returns(uint) {
        uint chainlinkDecimals;
        uint chainlinkLatestAnswer;
        uint chainlinkTimestamp;

        // First, try to get current decimal precision:
        try priceAggregator.decimals() returns (uint8 decimals) {
            // If call to Chainlink succeeds, record the current decimal precision
            chainlinkDecimals = decimals;
        } catch {
            // If call to Chainlink aggregator reverts, return a zero response with success = false
            return 0;
        }

        // Secondly, try to get latest price data:
        try priceAggregator.latestRoundData() returns
        (
            uint80 /* roundId */,
            int256 answer,
            uint256 /* startedAt */,
            uint256 timestamp,
            uint80 /* answeredInRound */
        )
        {
            // If call to Chainlink succeeds, return the response and success = true
            chainlinkLatestAnswer = uint(answer);
            chainlinkTimestamp = timestamp;
        } catch {
            // If call to Chainlink aggregator reverts, return a zero response with success = false
            return 0;
        }

        if(chainlinkTimestamp + 1 hours < now) return 0; // price is down

        uint chainlinkFactor = 10 ** chainlinkDecimals;
        return chainlinkLatestAnswer.mul(PRECISION) / chainlinkFactor;
    }

    function deposit(uint lusdAmount) external {        
        // update share
        uint lusdValue = SP.getCompoundedLUSDDeposit(address(this));
        uint ethValue = SP.getDepositorETHGain(address(this)).add(address(this).balance);

        uint price = fetchPrice();
        require(ethValue == 0 || price > 0, "deposit: chainlink is down");

        uint totalValue = lusdValue.add(ethValue.mul(price) / PRECISION);

        // this is in theory not reachable. if it is, better halt deposits
        // the condition is equivalent to: (totalValue = 0) ==> (total = 0)
        require(totalValue > 0 || total == 0, "deposit: system is rekt");

        uint newShare = PRECISION;
        if(total > 0) newShare = total.mul(lusdAmount) / totalValue;

        // deposit
        require(LUSD.transferFrom(msg.sender, address(this), lusdAmount), "deposit: transferFrom failed");
        SP.provideToSP(lusdAmount, frontEndTag);

        // update LP token
        mint(msg.sender, newShare);

        emit UserDeposit(msg.sender, lusdAmount, newShare);        
    }

    function withdraw(uint numShares) external {
        uint lusdValue = SP.getCompoundedLUSDDeposit(address(this));
        uint ethValue = SP.getDepositorETHGain(address(this)).add(address(this).balance);

        uint lusdAmount = lusdValue.mul(numShares).div(total);
        uint ethAmount = ethValue.mul(numShares).div(total);

        // this withdraws lusd, lqty, and eth
        SP.withdrawFromSP(lusdAmount);

        // update LP token
        burn(msg.sender, numShares);

        // send lusd and eth
        if(lusdAmount > 0) LUSD.transfer(msg.sender, lusdAmount);
        if(ethAmount > 0) {
            (bool success, ) = msg.sender.call{ value: ethAmount }(""); // re-entry is fine here
            require(success, "withdraw: sending ETH failed");
        }

        emit UserWithdraw(msg.sender, lusdAmount, ethAmount, numShares);            
    }

    function addBps(uint n, int bps) internal pure returns(uint) {
        require(bps <= 10000, "reduceBps: bps exceeds max");
        require(bps >= -10000, "reduceBps: bps exceeds min");

        return n.mul(uint(10000 + bps)) / 10000;
    }

    function compensateForLusdDeviation(uint ethAmount) public view returns(uint newEthAmount) {
        uint chainlinkDecimals;
        uint chainlinkLatestAnswer;

        // get current decimal precision:
        chainlinkDecimals = lusd2UsdPriceAggregator.decimals();

        // Secondly, try to get latest price data:
        (,int256 answer,,,) = lusd2UsdPriceAggregator.latestRoundData();
        chainlinkLatestAnswer = uint(answer);

        // adjust only if 1 LUSD > 1 USDC. If LUSD < USD, then we give a discount, and rebalance will happen anw
        if(chainlinkLatestAnswer > 10 ** chainlinkDecimals ) {
            newEthAmount = ethAmount.mul(chainlinkLatestAnswer) / (10 ** chainlinkDecimals);
        }
        else newEthAmount = ethAmount;
    }

    function getSwapEthAmount(uint lusdQty) public view returns(uint ethAmount, uint feeLusdAmount) {
        uint lusdBalance = SP.getCompoundedLUSDDeposit(address(this));
        uint ethBalance  = SP.getDepositorETHGain(address(this)).add(address(this).balance);

        uint eth2usdPrice = fetchPrice();
        if(eth2usdPrice == 0) return (0, 0); // chainlink is down

        uint ethUsdValue = ethBalance.mul(eth2usdPrice) / PRECISION;
        uint maxReturn = addBps(lusdQty.mul(PRECISION) / eth2usdPrice, int(maxDiscount));

        uint xQty = lusdQty;
        uint xBalance = lusdBalance;
        uint yBalance = lusdBalance.add(ethUsdValue.mul(2));
        
        uint usdReturn = getReturn(xQty, xBalance, yBalance, A);
        uint basicEthReturn = usdReturn.mul(PRECISION) / eth2usdPrice;

        basicEthReturn = compensateForLusdDeviation(basicEthReturn);

        if(ethBalance < basicEthReturn) basicEthReturn = ethBalance; // cannot give more than balance 
        if(maxReturn < basicEthReturn) basicEthReturn = maxReturn;

        ethAmount = basicEthReturn;
        feeLusdAmount = addBps(lusdQty, int(fee)).sub(lusdQty);
    }

    // get ETH in return to LUSD
    function swap(uint lusdAmount, uint minEthReturn, address payable dest) public returns(uint) {
        (uint ethAmount, uint feeAmount) = getSwapEthAmount(lusdAmount);

        require(ethAmount >= minEthReturn, "swap: low return");

        LUSD.transferFrom(msg.sender, address(this), lusdAmount);
        SP.provideToSP(lusdAmount.sub(feeAmount), frontEndTag);

        if(feeAmount > 0) LUSD.transfer(feePool, feeAmount);
        (bool success, ) = dest.call{ value: ethAmount }(""); // re-entry is fine here
        require(success, "swap: sending ETH failed");

        emit RebalanceSwap(msg.sender, lusdAmount, ethAmount, now);

        return ethAmount;
    }

    // kyber network reserve compatible function
    function trade(
        IERC20 /* srcToken */,
        uint256 srcAmount,
        IERC20 /* destToken */,
        address payable destAddress,
        uint256 /* conversionRate */,
        bool /* validate */
    ) external payable returns (bool) {
        return swap(srcAmount, 0, destAddress) > 0;
    }

    function getConversionRate(
        IERC20 /* src */,
        IERC20 /* dest */,
        uint256 srcQty,
        uint256 /* blockNumber */
    ) external view returns (uint256) {
        (uint ethQty, ) = getSwapEthAmount(srcQty);
        return ethQty.mul(PRECISION) / srcQty;
    }

    receive() external payable {}
}

Contract Security Audit

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Contract ABI

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payable","name":"_feePool","type":"address"},{"internalType":"address","name":"_fronEndTag","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"val","type":"uint256"}],"name":"Exit","type":"event"},{"anonymous":false,"inputs":[],"name":"Flee","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"val","type":"uint256"}],"name":"Join","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":false,"internalType":"uint256","name":"A","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"}],"name":"ParamsSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"lusdAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"ethAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"RebalanceSwap","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"src","type":"address"},{"indexed":true,"internalType":"address","name":"dst","type":"address"},{"indexed":false,"internalType":"uint256","name":"wad","type":"uint256"}],"name":"Tack","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"lusdAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"numShares","type":"uint256"}],"name":"UserDeposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"lusdAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"ethAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"numShares","type":"uint256"}],"name":"UserWithdraw","type":"event"},{"inputs":[],"name":"A","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LUSD","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_A","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_FEE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MIN_A","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRECISION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SP","outputs":[{"internalType":"contract StabilityPool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"}],"name":"add","outputs":[{"internalType":"uint256","name":"z","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bonus","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"ethAmount","type":"uint256"}],"name":"compensateForLusdDeviation","outputs":[{"internalType":"uint256","name":"newEthAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"crops","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"dec","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"lusdAmount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"fee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feePool","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fetchPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"frontEndTag","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"gem","outputs":[{"internalType":"contract ERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"","type":"address"},{"internalType":"contract IERC20","name":"","type":"address"},{"internalType":"uint256","name":"srcQty","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"getConversionRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"xQty","type":"uint256"},{"internalType":"uint256","name":"xBalance","type":"uint256"},{"internalType":"uint256","name":"yBalance","type":"uint256"},{"internalType":"uint256","name":"A","type":"uint256"}],"name":"getReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"},{"internalType":"uint256","name":"A","type":"uint256"}],"name":"getSumFixedPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"lusdQty","type":"uint256"}],"name":"getSwapEthAmount","outputs":[{"internalType":"uint256","name":"ethAmount","type":"uint256"},{"internalType":"uint256","name":"feeLusdAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ilk","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lusd2UsdPriceAggregator","outputs":[{"internalType":"contract AggregatorV3Interface","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxDiscount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"}],"name":"mul","outputs":[{"internalType":"uint256","name":"z","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nav","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"nps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"priceAggregator","outputs":[{"internalType":"contract AggregatorV3Interface","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"}],"name":"rdiv","outputs":[{"internalType":"uint256","name":"z","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"}],"name":"rmul","outputs":[{"internalType":"uint256","name":"z","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"}],"name":"rmulup","outputs":[{"internalType":"uint256","name":"z","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"_A","type":"uint256"},{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setParams","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"share","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"stake","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"}],"name":"sub","outputs":[{"internalType":"uint256","name":"z","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"lusdAmount","type":"uint256"},{"internalType":"uint256","name":"minEthReturn","type":"uint256"},{"internalType":"address payable","name":"dest","type":"address"}],"name":"swap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"total","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"","type":"address"},{"internalType":"uint256","name":"srcAmount","type":"uint256"},{"internalType":"contract IERC20","name":"","type":"address"},{"internalType":"address payable","name":"destAddress","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bool","name":"","type":"bool"}],"name":"trade","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vat","outputs":[{"internalType":"contract VatLike","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"}],"name":"wdiv","outputs":[{"internalType":"uint256","name":"z","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"}],"name":"wdivup","outputs":[{"internalType":"uint256","name":"z","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"numShares","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"},{"internalType":"uint256","name":"y","type":"uint256"}],"name":"wmul","outputs":[{"internalType":"uint256","name":"z","type":"uint256"}],"stateMutability":"pure","type":"function"},{"stateMutability":"payable","type":"receive"}]

Contract Creation Code

Decompile Bytecode Switch to Opcodes View

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : _priceAggregator (address): 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419
Arg [1] : _lusd2UsdPriceAggregator (address): 0x3D7aE7E594f2f2091Ad8798313450130d0Aba3a0
Arg [2] : _SP (address): 0x66017D22b0f8556afDd19FC67041899Eb65a21bb
Arg [3] : _LUSD (address): 0x5f98805A4E8be255a32880FDeC7F6728C6568bA0
Arg [4] : _LQTY (address): 0x6DEA81C8171D0bA574754EF6F8b412F2Ed88c54D
Arg [5] : _maxDiscount (uint256): 400
Arg [6] : _feePool (address): 0x7095F0B91A1010c11820B4E263927835A4CF52c9
Arg [7] : _fronEndTag (address): 0x0000000000000000000000000000000000000000

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 0000000000000000000000005f4ec3df9cbd43714fe2740f5e3616155c5b8419
Arg [1] : 0000000000000000000000003d7ae7e594f2f2091ad8798313450130d0aba3a0
Arg [2] : 00000000000000000000000066017d22b0f8556afdd19fc67041899eb65a21bb
Arg [3] : 0000000000000000000000005f98805a4e8be255a32880fdec7f6728c6568ba0
Arg [4] : 0000000000000000000000006dea81c8171d0ba574754ef6f8b412f2ed88c54d
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000190
Arg [6] : 0000000000000000000000007095f0b91a1010c11820b4e263927835a4cf52c9
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000000

Deployed Bytecode Sourcemap

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Swarm Source

ipfs://4394712c866493eb663e468accd77b9c8496b509acb12b3b240bd089b2c5e7c7

Token

Overview

Max Total Supply

Holders

Market

Onchain Market Cap

Circulating Supply Market Cap

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder

Balance

Value

Contract Source Code Verified (Exact Match)

Contract Source Code (Solidity)

Contract Security Audit

Contract ABI

Contract Creation Code

Deployed Bytecode

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

Deployed Bytecode Sourcemap

Swarm Source

Tools & Services

Token

Overview

Max Total Supply

Holders

Market

Onchain Market Cap

Circulating Supply Market Cap

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder

Balance

Value

Contract Source Code Verified (Exact Match)

Contract Source Code (Solidity)

Contract Security Audit

Contract ABI

Contract Creation Code

Deployed Bytecode

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

Deployed Bytecode Sourcemap

Swarm Source