Cryo Explorer Ethereum Mainnet

// SPDX-License-Identifier: MIT

pragma solidity 0.6.11;

import "../Dependencies/BaseMath.sol";
import "../Dependencies/SafeMath.sol";
import "../Dependencies/Ownable.sol";
import "../Dependencies/CheckContract.sol";
import "../Dependencies/console.sol";
import "../Interfaces/ILQTYToken.sol";
import "../Interfaces/ILQTYStaking.sol";
import "../Dependencies/LiquityMath.sol";
import "../Interfaces/ILUSDToken.sol";

contract LQTYStaking is ILQTYStaking, Ownable, CheckContract, BaseMath {
    using SafeMath for uint;

    // --- Data ---
    string constant public NAME = "LQTYStaking";

    mapping( address => uint) public stakes;
    uint public totalLQTYStaked;

    uint public F_ETH;  // Running sum of ETH fees per-LQTY-staked
    uint public F_LUSD; // Running sum of LQTY fees per-LQTY-staked

    // User snapshots of F_ETH and F_LUSD, taken at the point at which their latest deposit was made
    mapping (address => Snapshot) public snapshots; 

    struct Snapshot {
        uint F_ETH_Snapshot;
        uint F_LUSD_Snapshot;
    }
    
    ILQTYToken public lqtyToken;
    ILUSDToken public lusdToken;

    address public troveManagerAddress;
    address public borrowerOperationsAddress;
    address public activePoolAddress;

    // --- 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 
        onlyOwner 
        override 
    {
        checkContract(_lqtyTokenAddress);
        checkContract(_lusdTokenAddress);
        checkContract(_troveManagerAddress);
        checkContract(_borrowerOperationsAddress);
        checkContract(_activePoolAddress);

        lqtyToken = ILQTYToken(_lqtyTokenAddress);
        lusdToken = ILUSDToken(_lusdTokenAddress);
        troveManagerAddress = _troveManagerAddress;
        borrowerOperationsAddress = _borrowerOperationsAddress;
        activePoolAddress = _activePoolAddress;

        emit LQTYTokenAddressSet(_lqtyTokenAddress);
        emit LQTYTokenAddressSet(_lusdTokenAddress);
        emit TroveManagerAddressSet(_troveManagerAddress);
        emit BorrowerOperationsAddressSet(_borrowerOperationsAddress);
        emit ActivePoolAddressSet(_activePoolAddress);

        _renounceOwnership();
    }

    // If caller has a pre-existing stake, send any accumulated ETH and LUSD gains to them. 
    function stake(uint _LQTYamount) external override {
        _requireNonZeroAmount(_LQTYamount);

        uint currentStake = stakes[msg.sender];

        uint ETHGain;
        uint LUSDGain;
        // Grab any accumulated ETH and LUSD gains from the current stake
        if (currentStake != 0) {
            ETHGain = _getPendingETHGain(msg.sender);
            LUSDGain = _getPendingLUSDGain(msg.sender);
        }
    
       _updateUserSnapshots(msg.sender);

        uint newStake = currentStake.add(_LQTYamount);

        // Increase user’s stake and total LQTY staked
        stakes[msg.sender] = newStake;
        totalLQTYStaked = totalLQTYStaked.add(_LQTYamount);
        emit TotalLQTYStakedUpdated(totalLQTYStaked);

        // Transfer LQTY from caller to this contract
        lqtyToken.sendToLQTYStaking(msg.sender, _LQTYamount);

        emit StakeChanged(msg.sender, newStake);
        emit StakingGainsWithdrawn(msg.sender, LUSDGain, ETHGain);

         // Send accumulated LUSD and ETH gains to the caller
        if (currentStake != 0) {
            lusdToken.transfer(msg.sender, LUSDGain);
            _sendETHGainToUser(ETHGain);
        }
    }

    // Unstake the LQTY and send the it back to the caller, along with their accumulated LUSD & ETH gains. 
    // If requested amount > stake, send their entire stake.
    function unstake(uint _LQTYamount) external override {
        uint currentStake = stakes[msg.sender];
        _requireUserHasStake(currentStake);

        // Grab any accumulated ETH and LUSD gains from the current stake
        uint ETHGain = _getPendingETHGain(msg.sender);
        uint LUSDGain = _getPendingLUSDGain(msg.sender);
        
        _updateUserSnapshots(msg.sender);

        if (_LQTYamount > 0) {
            uint LQTYToWithdraw = LiquityMath._min(_LQTYamount, currentStake);

            uint newStake = currentStake.sub(LQTYToWithdraw);

            // Decrease user's stake and total LQTY staked
            stakes[msg.sender] = newStake;
            totalLQTYStaked = totalLQTYStaked.sub(LQTYToWithdraw);
            emit TotalLQTYStakedUpdated(totalLQTYStaked);

            // Transfer unstaked LQTY to user
            lqtyToken.transfer(msg.sender, LQTYToWithdraw);

            emit StakeChanged(msg.sender, newStake);
        }

        emit StakingGainsWithdrawn(msg.sender, LUSDGain, ETHGain);

        // Send accumulated LUSD and ETH gains to the caller
        lusdToken.transfer(msg.sender, LUSDGain);
        _sendETHGainToUser(ETHGain);
    }

    // --- Reward-per-unit-staked increase functions. Called by Liquity core contracts ---

    function increaseF_ETH(uint _ETHFee) external override {
        _requireCallerIsTroveManager();
        uint ETHFeePerLQTYStaked;
     
        if (totalLQTYStaked > 0) {ETHFeePerLQTYStaked = _ETHFee.mul(DECIMAL_PRECISION).div(totalLQTYStaked);}

        F_ETH = F_ETH.add(ETHFeePerLQTYStaked); 
        emit F_ETHUpdated(F_ETH);
    }

    function increaseF_LUSD(uint _LUSDFee) external override {
        _requireCallerIsBorrowerOperations();
        uint LUSDFeePerLQTYStaked;
        
        if (totalLQTYStaked > 0) {LUSDFeePerLQTYStaked = _LUSDFee.mul(DECIMAL_PRECISION).div(totalLQTYStaked);}
        
        F_LUSD = F_LUSD.add(LUSDFeePerLQTYStaked);
        emit F_LUSDUpdated(F_LUSD);
    }

    // --- Pending reward functions ---

    function getPendingETHGain(address _user) external view override returns (uint) {
        return _getPendingETHGain(_user);
    }

    function _getPendingETHGain(address _user) internal view returns (uint) {
        uint F_ETH_Snapshot = snapshots[_user].F_ETH_Snapshot;
        uint ETHGain = stakes[_user].mul(F_ETH.sub(F_ETH_Snapshot)).div(DECIMAL_PRECISION);
        return ETHGain;
    }

    function getPendingLUSDGain(address _user) external view override returns (uint) {
        return _getPendingLUSDGain(_user);
    }

    function _getPendingLUSDGain(address _user) internal view returns (uint) {
        uint F_LUSD_Snapshot = snapshots[_user].F_LUSD_Snapshot;
        uint LUSDGain = stakes[_user].mul(F_LUSD.sub(F_LUSD_Snapshot)).div(DECIMAL_PRECISION);
        return LUSDGain;
    }

    // --- Internal helper functions ---

    function _updateUserSnapshots(address _user) internal {
        snapshots[_user].F_ETH_Snapshot = F_ETH;
        snapshots[_user].F_LUSD_Snapshot = F_LUSD;
        emit StakerSnapshotsUpdated(_user, F_ETH, F_LUSD);
    }

    function _sendETHGainToUser(uint ETHGain) internal {
        emit EtherSent(msg.sender, ETHGain);
        (bool success, ) = msg.sender.call{value: ETHGain}("");
        require(success, "LQTYStaking: Failed to send accumulated ETHGain");
    }

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

    function _requireCallerIsTroveManager() internal view {
        require(msg.sender == troveManagerAddress, "LQTYStaking: caller is not TroveM");
    }

    function _requireCallerIsBorrowerOperations() internal view {
        require(msg.sender == borrowerOperationsAddress, "LQTYStaking: caller is not BorrowerOps");
    }

     function _requireCallerIsActivePool() internal view {
        require(msg.sender == activePoolAddress, "LQTYStaking: caller is not ActivePool");
    }

    function _requireUserHasStake(uint currentStake) internal pure {  
        require(currentStake > 0, 'LQTYStaking: User must have a non-zero stake');  
    }

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

    receive() external payable {
        _requireCallerIsActivePool();
    }
}

// SPDX-License-Identifier: MIT

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);
}

// SPDX-License-Identifier: MIT

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;
    }

    /**
     * @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);
    }
}

// SPDX-License-Identifier: MIT

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;
	}

	functi...

// [truncated — 77483 bytes total]

// SPDX-License-Identifier: MIT
pragma solidity 0.6.11;


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

// SPDX-License-Identifier: MIT

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);
}

// SPDX-License-Identifier: MIT

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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.6.11;

import "../Dependencies/IERC20.sol";
import "../Dependencies/IERC2612.sol";

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);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.6.11;

import "../Dependencies/IERC20.sol";
import "../Dependencies/IERC2612.sol";

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;
}

// SPDX-License-Identifier: MIT

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);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.6.11;

import "./SafeMath.sol";
import "./console.sol";

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; 
        }
    }
}

// SPDX-License-Identifier: MIT

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");
    }
}