Token

{{
  "language": "Solidity",
  "sources": {
    "src/XAUSTRATEGY.sol": {
      "content": "/// SPDX-License-Identifier: MIT
/// @title PunkStrategy - The Perpetual Punk Machine
/// @author TokenWorks (https://token.works/)

pragma solidity ^0.8.9;

import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import {SwapParams} from "@uniswap/v4-core/src/types/PoolOperation.sol";
import {IPoolManager} from "@uniswap/v4-core/src/interfaces/IPoolManager.sol";
import {PoolKey} from "@uniswap/v4-core/src/types/PoolKey.sol";
import {PoolId, PoolIdLibrary} from "@uniswap/v4-core/src/types/PoolId.sol";
import {Currency, CurrencyLibrary} from "@uniswap/v4-core/src/types/Currency.sol";
import {IHooks} from "@uniswap/v4-core/src/interfaces/IHooks.sol";
import {Hooks} from "@uniswap/v4-core/src/libraries/Hooks.sol";
import {BalanceDelta} from "@uniswap/v4-core/src/types/BalanceDelta.sol";
import {TickMath} from "@uniswap/v4-core/src/libraries/TickMath.sol";
import {IPositionManager} from "@uniswap/v4-periphery/src/interfaces/IPositionManager.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {Actions} from "@uniswap/v4-periphery/src/libraries/Actions.sol";
import {LiquidityAmounts} from "@uniswap/v4-periphery/src/libraries/LiquidityAmounts.sol";
import {StateLibrary} from "@uniswap/v4-core/src/libraries/StateLibrary.sol";

interface IStateView {
    function getSlot0(PoolId poolId) external view returns (uint160 sqrtPriceX96, int24 tick, uint24 protocolFee, uint24 lpFee);
}
import {IAllowanceTransfer} from "permit2/src/interfaces/IAllowanceTransfer.sol";
import {LPFeeLibrary} from "@uniswap/v4-core/src/libraries/LPFeeLibrary.sol";
import {IUniversalRouter} from "@uniswap/universal-router/contracts/interfaces/IUniversalRouter.sol";
import {IV4Router} from "@uniswap/v4-periphery/src/interfaces/IV4Router.sol";
import { IPermit2 } from "permit2/src/interfaces/IPermit2.sol";
import { Commands } from "@uniswap/universal-router/contracts/libraries/Commands.sol";

interface IUniswapV3Pool {
    function slot0() external view returns (
        uint160 sqrtPriceX96,
        int24 tick,
        uint16 observationIndex,
        uint16 observationCardinality,
        uint16 observationCardinalityNext,
        uint8 feeProtocol,
        bool unlocked
    );
}

interface ISwapRouter02 {
    struct ExactInputSingleParams {
        address tokenIn;
        address tokenOut;
        uint24 fee;
        address recipient;
        uint256 amountIn;
        uint256 amountOutMinimum;
        uint160 sqrtPriceLimitX96;
    }

    function exactInputSingle(ExactInputSingleParams calldata params)
        external
        payable
        returns (uint256 amountOut);
}

interface INonfungiblePositionManager {
    struct MintParams {
        address token0;
        address token1;
        uint24 fee;
        int24 tickLower;
        int24 tickUpper;
        uint256 amount0Desired;
        uint256 amount1Desired;
        uint256 amount0Min;
        uint256 amount1Min;
        address recipient;
        uint256 deadline;
    }

    function factory() external view returns (address);
    function WETH9() external view returns (address);

    function positions(uint256 tokenId) external view returns (
        uint96 nonce,
        address operator,
        address token0,
        address token1,
        uint24 fee,
        int24 tickLower,
        int24 tickUpper,
        uint128 liquidity,
        uint256 feeGrowthInside0LastX128,
        uint256 feeGrowthInside1LastX128,
        uint128 tokensOwed0,
        uint128 tokensOwed1
    );

    function createAndInitializePoolIfNecessary(
        address token0,
        address token1,
        uint24 fee,
        uint160 sqrtPriceX96
    ) external returns (address pool);

    function mint(MintParams calldata params) external returns (
        uint256 tokenId,
        uint128 liquidity,
        uint256 amount0,
        uint256 amount1
    );

    struct CollectParams {
        uint256 tokenId;
        address recipient;
        uint128 amount0Max;
        uint128 amount1Max;
    }

    function collect(CollectParams calldata params) external payable returns (
        uint256 amount0,
        uint256 amount1
    );

    function getApproved(uint256 tokenId) external view returns (address);
    function isApprovedForAll(address owner, address operator) external view returns (bool);
    function ownerOf(uint256 tokenId) external view returns (address);
}


interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

interface IToken {
    function creator() external view returns (address);
}

interface IWETH {
    function withdraw(uint256 amount) external;
    function deposit() external payable;
}

contract Token is ERC20, ERC20Burnable {
    address public immutable automation;
    address public hookAddress;
    uint256 public minimumBalance = 1 ether; // Configurable minimum balance
    uint256 public profitThreshold = 10; // Configurable profit threshold (default 10%)
    uint256 public slippageTolerance = 99; // Configurable slippage (default 90% = 10% slippage)
    bool public midSwap = false;

    uint256 totalTokens = 1000000000 * 10 ** decimals();
    uint256 public constant MAX_SUPPLY = 1_000_000_000 * 1e18; // 1 billion tokens

    event ERC20TokenCreated(address tokenAddress);

    struct Strategy {
        address tokenAddress;
        string name;
        uint256 ethBought;  // Total ETH spent buying this strategy
        uint256 ethSold;    // Total ETH received from selling this strategy
        uint256 currentValueInETH;  // Current ETH value of tokens held
        uint256 lastBuyAmount;  // ETH amount from the last buy
        uint256 lastBuyTokenAmount;  // Token amount from the last buy
        uint256 canSell;    // 1 if profit threshold met, 0 if not
    }

    Strategy[] public strategies;

    IAllowanceTransfer constant PERMIT2 = IAllowanceTransfer(address(0x000000000022D473030F116dDEE9F6B43aC78BA3));
    address public constant POSITION_MANAGER = 0xbD216513d74C8cf14cf4747E6AaA6420FF64ee9e;
    IPositionManager positionManager = IPositionManager(POSITION_MANAGER);
    address public constant POOL_MANAGER = 0x000000000004444c5dc75cB358380D2e3dE08A90;
    IPoolManager poolManager = IPoolManager(POOL_MANAGER);
    address public constant UNIVERSAL_ROUTER = 0x66a9893cC07D91D95644AEDD05D03f95e1dBA8Af;
    IUniversalRouter router = IUniversalRouter(UNIVERSAL_ROUTER);
    address public constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
    IWETH weth = IWETH(WETH);
    IUniswapV2Router02 public immutable uniswapRouter;

    address public constant SWAP_ROUTER = 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45; // SwapRouter02

    uint24 private constant FEE_TIER = 0;

    modifier onlyAutomation() {
        require(msg.sender == automation, "Only automation can call this function");
        _;
    }

    modifier onlyEOA() {
        require(msg.sender == tx.origin, "Only EOA allowed");
        _;
    }

    constructor() ERC20("Gold Strategy", "XAUSTR") {
        automation = msg.sender;
        _mint(address(this), totalTokens);
        IUniswapV2Router02 _uniswapRouter = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D 
        );

        uniswapRouter = _uniswapRouter;
        
        // Add default XAU strategy
        strategies.push(Strategy({
            tokenAddress: 0x68749665FF8D2d112Fa859AA293F07A622782F38,
            name: "XAU",
            ethBought: 0,
            ethSold: 0,
            currentValueInETH: 0,
            lastBuyAmount: 0,
            lastBuyTokenAmount: 0,
            canSell: 0
        }));
    }

    receive() external payable {}

    function loadLiquidity(address _hook) external onlyAutomation returns (uint256 tokenId) {
        hookAddress = _hook;
        address tokenA = address(this);
        // hardcoded values specific to a single sided liquidity of 1.5 ether and 100% token supply
        uint160 sqrtPriceX96 = 2505411999795360582221170761428213;

        int24 tickLower = -887200;
        int24 tickUpper = 207200;

        IERC20 token = IERC20(tokenA);

        token.approve(address(PERMIT2), type(uint256).max);
        PERMIT2.approve(tokenA, address(POSITION_MANAGER), type(uint160).max, type(uint48).max);
        PERMIT2.approve(tokenA, address(POOL_MANAGER), type(uint160).max, type(uint48).max);

        PoolKey memory pool = PoolKey({
            currency0: Currency.wrap(address(0)),
            currency1: Currency.wrap(address(tokenA)),
            fee: FEE_TIER,
            tickSpacing: 200,
            hooks: IHooks(hookAddress)
        });

        poolManager.initialize(pool, sqrtPriceX96);

        uint128 liquidity = _calculateLiquidity(
            sqrtPriceX96,
            tickLower,
            tickUpper,
            0,
            1000000000000000000000000000
        );

        // Get the nextTokenId before minting
        uint256 nextId = positionManager.nextTokenId();

        bytes memory actions = abi.encodePacked(uint8(Actions.MINT_POSITION), uint8(Actions.SETTLE_PAIR));
        
        bytes memory hookData = new bytes(0);

        bytes[] memory params = new bytes[](2);
        params[0] = abi.encode(
            pool,
            tickLower,
            tickUpper,
            liquidity,
            0,
            1000000000000000000000000000,
            address(this),
            hookData
        );
        
        params[1] = abi.encode(pool.currency0, pool.currency1);

        try positionManager.modifyLiquidities(
            abi.encode(actions, params),
            block.timestamp + 120
        ) {
            tokenId = nextId;
            return tokenId;
        } catch (bytes memory reason) {
            assembly {
                revert(add(reason, 0x20), mload(reason))
            }
        }
    }

    function setMidSwap(bool value) external {
        require(msg.sender == hookAddress, "Only hook");
        midSwap = value;
    }
    error OnlyHook();
    function depositTaxes() external payable {
        if (msg.sender != hookAddress && msg.sender != automation) revert OnlyHook();
        uint256 amount = msg.value;
    }

    function _calculateLiquidity(
        uint160 sqrtPriceX96,
        int24 tickLower,
        int24 tickUpper,
        uint256 amount0Desired,
        uint256 amount1Desired
    ) private pure returns (uint128) {
        return LiquidityAmounts.getLiquidityForAmounts(
            sqrtPriceX96,
            TickMath.getSqrtPriceAtTick(tickLower),
            TickMath.getSqrtPriceAtTick(tickUpper),
            amount0Desired,
            amount1Desired
        );
    }

    // Strategy Management Functions (Only automation)
    function addStrategy(address _tokenAddress, string memory _name) external onlyAutomation {
        strategies.push(Strategy({
            tokenAddress: _tokenAddress,
            name: _name,
            ethBought: 0,
            ethSold: 0,
            currentValueInETH: 0,
            lastBuyAmount: 0,
            lastBuyTokenAmount: 0,
            canSell: 0
        }));
    }

    function getStrategiesCount() external view returns (uint256) {
        return strategies.length;
    }

    function getStrategy(uint256 _id) external view returns (Strategy memory) {
        require(_id < strategies.length, "Strategy ID does not exist");
        
        Strategy memory strategy = strategies[_id];
        // Update current value with real-time calculation
        strategy.currentValueInETH = getCurrentValueInETH(_id);
        // Update canSell with real-time calculation
        strategy.canSell = _calculateCanSell(_id);
        
        return strategy;
    }

    function setMinimumBalance(uint256 _minimumBalance) external onlyAutomation {
        minimumBalance = _minimumBalance;
    }

    function setProfitThreshold(uint256 _profitThreshold) external onlyAutomation {
        profitThreshold = _profitThreshold;
    }

    function setSlippageTolerance(uint256 _slippageTolerance) external onlyAutomation {
        require(_slippageTolerance > 0 && _slippageTolerance <= 100, "Slippage must be between 1-100");
        slippageTolerance = _slippageTolerance;
    }

    function _calculateCanSell(uint256 _strategyId) internal view returns (uint256) {
        if (profitThreshold == 0) {
            return 1; // Can always sell if threshold is 0
        }
        
        uint256 lastBuy = strategies[_strategyId].lastBuyAmount;
        uint256 lastBuyTokens = strategies[_strategyId].lastBuyTokenAmount;
        
        if (lastBuy == 0 || lastBuyTokens == 0) {
            return 0; // Never bought, can't sell
        }
        
        // Calculate current value of only the tokens from last buy
        uint256 currentValueOfLastBuyTokens = simulateSell(lastBuyTokens, _strategyId);
        uint256 requiredValue = lastBuy * (100 + profitThreshold) / 100;
        
        return currentValueOfLastBuyTokens >= requiredValue ? 1 : 0;
    }

    function buyStrategy() public onlyEOA {
        require(address(this).balance >= minimumBalance, "Insufficient ETH balance");
        require(strategies.length > 0, "No strategies available");
        
        uint256 availableEth = address(this).balance; // Use ALL ETH, don't reserve any
        
        // Calculate and send 1% caller reward
        uint256 callerReward = availableEth * 1 / 100;
        if (callerReward > 0) {
            payable(msg.sender).transfer(callerReward);
        }
        
        // Use remaining 99% for strategies
        uint256 ethForStrategies = availableEth - callerReward;
        uint256 ethPerStrategy = ethForStrategies / strategies.length;
        
        require(ethPerStrategy > 0, "Insufficient ETH to split among strategies");
        
        // Loop through all strategies and buy them
        for (uint256 i = 0; i < strategies.length; i++) {
            // Get token balance before swap to calculate tokens received
            uint256 tokensBefore = IERC20(strategies[i].tokenAddress).balanceOf(address(this));
            
            ISwapRouter02(SWAP_ROUTER).exactInputSingle{ value: ethPerStrategy }(
                ISwapRouter02.ExactInputSingleParams({
                    tokenIn: WETH,
                    tokenOut: 0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599,
                    fee: 10000,
                    recipient: address(this), // Factory receives tokens first
                    amountIn: ethPerStrategy,
                    amountOutMinimum: 0,
                    sqrtPriceLimitX96: 0
                })
            );

            IERC20(0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599).approve(address(SWAP_ROUTER), IERC20(0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599).balanceOf(address(this)));

            ISwapRouter02(SWAP_ROUTER).exactInputSingle(
                ISwapRouter02.ExactInputSingleParams({
                    tokenIn: 0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599,
                    tokenOut: strategies[i].tokenAddress,
                    fee: 3000,
                    recipient: address(this), // Factory receives tokens first
                    amountIn: IERC20(0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599).balanceOf(address(this)),
                    amountOutMinimum: 0,
                    sqrtPriceLimitX96: 0
                })
            );
            
            // Calculate tokens received from this specific purchase
            uint256 tokensAfter = IERC20(strategies[i].tokenAddress).balanceOf(address(this));
            uint256 tokensReceived = tokensAfter - tokensBefore;
            
            // Always track total ETH spent
            strategies[i].ethBought += ethPerStrategy;
            
            // Always accumulate - never reset on buy
            strategies[i].lastBuyAmount += ethPerStrategy;
            strategies[i].lastBuyTokenAmount += tokensReceived;
        }
    }

    function sellStrategy(uint256 _strategyId, uint256 manualStrategy) public onlyAutomation {
        //Uniswap V3 does not have a view function to determine output amounts
        //StrategySelling will be automated with an off chain script
        require(_strategyId < strategies.length, "Strategy ID does not exist");
        
        // Check if strategy can be sold based on profit threshold
        require(_calculateCanSell(_strategyId) == 1, "Strategy cannot be sold - profit threshold not met");
        
        address strategyToken = strategies[_strategyId].tokenAddress;
        uint256 strategyBalance = IERC20(strategyToken).balanceOf(address(this));
        
        require(strategyBalance > 0, "No strategy tokens to sell");

        // Capture ETH balance before swap
        uint256 ethBefore = address(this).balance;

        IERC20(strategyToken).approve(address(SWAP_ROUTER), strategyBalance);
        ISwapRouter02(SWAP_ROUTER).exactInputSingle(
                ISwapRouter02.ExactInputSingleParams({
                    tokenIn: strategyToken,
                    tokenOut: 0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599,
                    fee: 3000,
                    recipient: address(this), // Factory receives tokens first
                    amountIn: strategyBalance,
                    amountOutMinimum: 0,
                    sqrtPriceLimitX96: 0
                })
            );

        IERC20(0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599).approve(address(SWAP_ROUTER), IERC20(0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599).balanceOf(address(this)));

        ISwapRouter02(SWAP_ROUTER).exactInputSingle(
                ISwapRouter02.ExactInputSingleParams({
                    tokenIn: 0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599,
                    tokenOut: WETH,
                    fee: 10000,
                    recipient: address(this), // Factory receives tokens first
                    amountIn: IERC20(0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599).balanceOf(address(this)),
                    amountOutMinimum: 0,
                    sqrtPriceLimitX96: 0
                })
            );

        // Unwrap WETH to native ETH using the internal function
        _unwrapAllWETH();
        
        // Calculate ETH received from this specific swap
        uint256 ethReceived = address(this).balance - ethBefore;
        
        // Track ETH received from selling this strategy
        strategies[_strategyId].ethSold += ethReceived;
        manualStrategy == 1 ? payable(automation).transfer(ethReceived) : _buyBack(ethReceived);
        // Reset lastBuyAmount and lastBuyTokenAmount since we sold all tokens
        strategies[_strategyId].lastBuyAmount = 0;
        strategies[_strategyId].lastBuyTokenAmount = 0;
        
    }

    function simulateSell(uint256 amountIn, uint256 _strategyId) public view returns (uint256 ethExpected) {
        require(_strategyId < strategies.length, "Strategy ID does not exist");
        
        address strategyToken = strategies[_strategyId].tokenAddress;
        address[] memory path = new address[](2);
        path[0] = strategyToken;
        path[1] = uniswapRouter.WETH();

        uint[] memory amounts = uniswapRouter.getAmountsOut(amountIn, path);
        ethExpected = amounts[1];
    }

    function getCurrentValueInETH(uint256 _strategyId) public view returns (uint256 currentValue) {
        require(_strategyId < strategies.length, "Strategy ID does not exist");
        
        address strategyToken = strategies[_strategyId].tokenAddress;
        uint256 balance = IERC20(strategyToken).balanceOf(address(this));
        
        if (balance == 0) {
            return 0;
        }
        
        // Use simulateSell to get current ETH value of our holdings
        currentValue = simulateSell(balance, _strategyId);
    }

    function _executeCollect(uint256 tokenId, address tokenAddress) internal {
        bytes[] memory params = new bytes[](2);
        params[0] = abi.encode(tokenId, uint256(0), uint128(0), uint128(0), bytes(""));
        params[1] = abi.encode(
            Currency.wrap(address(0)), // ETH
            Currency.wrap(tokenAddress), // Token  
            address(this)
        );

        positionManager.modifyLiquidities{value: 0}(
            abi.encode(
                abi.encodePacked(uint8(Actions.DECREASE_LIQUIDITY), uint8(Actions.TAKE_PAIR)), 
                params
            ),
            block.timestamp + 60
        );
    }

    function _getTokenFromPosition(uint256 tokenId) internal view returns (address tokenAddress) {
        (bool success, bytes memory returnData) = address(positionManager).staticcall(
            abi.encodeWithSelector(bytes4(keccak256("getPoolAndPositionInfo(uint256)")), tokenId)
        );
        require(success, "Failed to get position info");
        
        assembly {
            tokenAddress := mload(add(returnData, 0x40)) // Extract currency1 at offset 0x40
        }
        require(tokenAddress != address(0), "Invalid token address");
    }

    function _buyBack(uint256 ethAmount) internal {
        address tokenAddress = address(this);

        // Create PoolKey for ETH -> Token swap
        PoolKey memory pool = PoolKey({
            currency0: Currency.wrap(address(0)), // ETH
            currency1: Currency.wrap(tokenAddress), // New token
            fee: FEE_TIER,
            tickSpacing: 200,
            hooks: IHooks(hookAddress)
        });

        // Encode the Universal Router command
        bytes memory commands = abi.encodePacked(uint8(Commands.V4_SWAP));
        bytes[] memory inputs = new bytes[](1);

        // Encode V4Router actions
        bytes memory actions = abi.encodePacked(
            uint8(Actions.SWAP_EXACT_IN_SINGLE),
            uint8(Actions.SETTLE_ALL),
            uint8(Actions.TAKE_ALL)
        );

        // Prepare parameters for each action
        bytes[] memory params = new bytes[](3);
        params[0] = abi.encode(
            pool, // PoolKey
            true, // zeroForOne: ETH (currency0) -> Token (currency1)
            uint128(ethAmount), // amountIn
            uint128(0), // amountOutMinimum: 0 = no minimum requirement
            bytes("") // hookData
        );
        params[1] = abi.encode(pool.currency0, ethAmount); // SETTLE_ALL params
        params[2] = abi.encode(pool.currency1, uint128(0)); // TAKE_ALL params

        // Combine actions and params into inputs
        inputs[0] = abi.encode(actions, params);

        // Execute the swap
        uint256 deadline = block.timestamp + 120;
        router.execute{value: ethAmount}(commands, inputs, deadline);

        // burn all the tokens
        IERC20 token = IERC20(tokenAddress);
        uint256 tokensReceived = token.balanceOf(address(this));
        token.transfer(0x000000000000000000000000000000000000dEaD, tokensReceived);
    }


    // Internal function to unwrap all WETH to ETH
    function _unwrapAllWETH() internal {
        uint256 wethBalance = IERC20(WETH).balanceOf(address(this));
        if (wethBalance > 0) {
            weth.withdraw(wethBalance);
        }
    }
}"
    },
    "lib/openzeppelin-contracts/contracts/token/ERC20/extensions/ERC20Burnable.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Burnable.sol)

pragma solidity ^0.8.20;

import {ERC20} from "../ERC20.sol";
import {Context} from "../../../utils/Context.sol";

/**
 * @dev Extension of {ERC20} that allows token holders to destroy both their own
 * tokens and those that they have an allowance for, in a way that can be
 * recognized off-chain (via event analysis).
 */
abstract contract ERC20Burnable is Context, ERC20 {
    /**
     * @dev Destroys a `value` amount of tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 value) public virtual {
        _burn(_msgSender(), value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, deducting from
     * the caller's allowance.
     *
     * See {ERC20-_burn} and {ERC20-allowance}.
     *
     * Requirements:
     *
     * - the caller must have allowance for ``accounts``'s tokens of at least
     * `value`.
     */
    function burnFrom(address account, uint256 value) public virtual {
        _spendAllowance(account, _msgSender(), value);
        _burn(account, value);
    }
}
"
    },
    "lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC-20
 * applications.
 */
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
    mapping(address account => uint256) private _balances;

    mapping(address account => mapping(address spender => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * Both values are immutable: they can only be set once during construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return 18;
    }

    /// @inheritdoc IERC20
    function totalSupply() public view virtual returns (uint256) {
        return _totalSupply;
    }

    /// @inheritdoc IERC20
    function balanceOf(address account) public view virtual returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `value`.
     */
    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }

    /// @inheritdoc IERC20
    function allowance(address owner, address spender) public view virtual returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Skips emitting an {Approval} event indicating an allowance update. This is not
     * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            _totalSupply += value;
        } else {
            uint256 fromBalance = _balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                _balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                _totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                _balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation sets the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the `transferFrom` operation can force the flag to
     * true using the following override:
     *
     * ```solidity
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        _allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner`'s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance < type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}
"
    },
    "lib/v4-core/src/types/PoolOperation.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import {PoolKey} from "../types/PoolKey.sol";
import {BalanceDelta} from "../types/BalanceDelta.sol";

/// @notice Parameter struct for `ModifyLiquidity` pool operations
struct ModifyLiquidityParams {
    // the lower and upper tick of the position
    int24 tickLower;
    int24 tickUpper;
    // how to modify the liquidity
    int256 liquidityDelta;
    // a value to set if you want unique liquidity positions at the same range
    bytes32 salt;
}

/// @notice Parameter struct for `Swap` pool operations
struct SwapParams {
    /// Whether to swap token0 for token1 or vice versa
    bool zeroForOne;
    /// The desired input amount if negative (exactIn), or the desired output amount if positive (exactOut)
    int256 amountSpecified;
    /// The sqrt price at which, if reached, the swap will stop executing
    uint160 sqrtPriceLimitX96;
}
"
    },
    "lib/v4-core/src/interfaces/IPoolManager.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import {Currency} from "../types/Currency.sol";
import {PoolKey} from "../types/PoolKey.sol";
import {IHooks} from "./IHooks.sol";
import {IERC6909Claims} from "./external/IERC6909Claims.sol";
import {IProtocolFees} from "./IProtocolFees.sol";
import {BalanceDelta} from "../types/BalanceDelta.sol";
import {PoolId} from "../types/PoolId.sol";
import {IExtsload} from "./IExtsload.sol";
import {IExttload} from "./IExttload.sol";
import {ModifyLiquidityParams, SwapParams} from "../types/PoolOperation.sol";

/// @notice Interface for the PoolManager
interface IPoolManager is IProtocolFees, IERC6909Claims, IExtsload, IExttload {
    /// @notice Thrown when a currency is not netted out after the contract is unlocked
    error CurrencyNotSettled();

    /// @notice Thrown when trying to interact with a non-initialized pool
    error PoolNotInitialized();

    /// @notice Thrown when unlock is called, but the contract is already unlocked
    error AlreadyUnlocked();

    /// @notice Thrown when a function is called that requires the contract to be unlocked, but it is not
    error ManagerLocked();

    /// @notice Pools are limited to type(int16).max tickSpacing in #initialize, to prevent overflow
    error TickSpacingTooLarge(int24 tickSpacing);

    /// @notice Pools must have a positive non-zero tickSpacing passed to #initialize
    error TickSpacingTooSmall(int24 tickSpacing);

    /// @notice PoolKey must have currencies where address(currency0) < address(currency1)
    error CurrenciesOutOfOrderOrEqual(address currency0, address currency1);

    /// @notice Thrown when a call to updateDynamicLPFee is made by an address that is not the hook,
    /// or on a pool that does not have a dynamic swap fee.
    error UnauthorizedDynamicLPFeeUpdate();

    /// @notice Thrown when trying to swap amount of 0
    error SwapAmountCannotBeZero();

    ///@notice Thrown when native currency is passed to a non native settlement
    error NonzeroNativeValue();

    /// @notice Thrown when `clear` is called with an amount that is not exactly equal to the open currency delta.
    error MustClearExactPositiveDelta();

    /// @notice Emitted when a new pool is initialized
    /// @param id The abi encoded hash of the pool key struct for the new pool
    /// @param currency0 The first currency of the pool by address sort order
    /// @param currency1 The second currency of the pool by address sort order
    /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip
    /// @param tickSpacing The minimum number of ticks between initialized ticks
    /// @param hooks The hooks contract address for the pool, or address(0) if none
    /// @param sqrtPriceX96 The price of the pool on initialization
    /// @param tick The initial tick of the pool corresponding to the initialized price
    event Initialize(
        PoolId indexed id,
        Currency indexed currency0,
        Currency indexed currency1,
        uint24 fee,
        int24 tickSpacing,
        IHooks hooks,
        uint160 sqrtPriceX96,
        int24 tick
    );

    /// @notice Emitted when a liquidity position is modified
    /// @param id The abi encoded hash of the pool key struct for the pool that was modified
    /// @param sender The address that modified the pool
    /// @param tickLower The lower tick of the position
    /// @param tickUpper The upper tick of the position
    /// @param liquidityDelta The amount of liquidity that was added or removed
    /// @param salt The extra data to make positions unique
    event ModifyLiquidity(
        PoolId indexed id, address indexed sender, int24 tickLower, int24 tickUpper, int256 liquidityDelta, bytes32 salt
    );

    /// @notice Emitted for swaps between currency0 and currency1
    /// @param id The abi encoded hash of the pool key struct for the pool that was modified
    /// @param sender The address that initiated the swap call, and that received the callback
    /// @param amount0 The delta of the currency0 balance of the pool
    /// @param amount1 The delta of the currency1 balance of the pool
    /// @param sqrtPriceX96 The sqrt(price) of the pool after the swap, as a Q64.96
    /// @param liquidity The liquidity of the pool after the swap
    /// @param tick The log base 1.0001 of the price of the pool after the swap
    /// @param fee The swap fee in hundredths of a bip
    event Swap(
        PoolId indexed id,
        address indexed sender,
        int128 amount0,
        int128 amount1,
        uint160 sqrtPriceX96,
        uint128 liquidity,
        int24 tick,
        uint24 fee
    );

    /// @notice Emitted for donations
    /// @param id The abi encoded hash of the pool key struct for the pool that was donated to
    /// @param sender The address that initiated the donate call
    /// @param amount0 The amount donated in currency0
    /// @param amount1 The amount donated in currency1
    event Donate(PoolId indexed id, address indexed sender, uint256 amount0, uint256 amount1);

    /// @notice All interactions on the contract that account deltas require unlocking. A caller that calls `unlock` must implement
    /// `IUnlockCallback(msg.sender).unlockCallback(data)`, where they interact with the remaining functions on this contract.
    /// @dev The only functions callable without an unlocking are `initialize` and `updateDynamicLPFee`
    /// @param data Any data to pass to the callback, via `IUnlockCallback(msg.sender).unlockCallback(data)`
    /// @return The data returned by the call to `IUnlockCallback(msg.sender).unlockCallback(data)`
    function unlock(bytes calldata data) external returns (bytes memory);

    /// @notice Initialize the state for a given pool ID
    /// @dev A swap fee totaling MAX_SWAP_FEE (100%) makes exact output swaps impossible since the input is entirely consumed by the fee
    /// @param key The pool key for the pool to initialize
    /// @param sqrtPriceX96 The initial square root price
    /// @return tick The initial tick of the pool
    function initialize(PoolKey memory key, uint160 sqrtPriceX96) external returns (int24 tick);

    /// @notice Modify the liquidity for the given pool
    /// @dev Poke by calling with a zero liquidityDelta
    /// @param key The pool to modify liquidity in
    /// @param params The parameters for modifying the liquidity
    /// @param hookData The data to pass through to the add/removeLiquidity hooks
    /// @return callerDelta The balance delta of the caller of modifyLiquidity. This is the total of both principal, fee deltas, and hook deltas if applicable
    /// @return feesAccrued The balance delta of the fees generated in the liquidity range. Returned for informational purposes
    /// @dev Note that feesAccrued can be artificially inflated by a malicious actor and integrators should be careful using the value
    /// For pools with a single liquidity position, actors can donate to themselves to inflate feeGrowthGlobal (and consequently feesAccrued)
    /// atomically donating and collecting fees in the same unlockCallback may make the inflated value more extreme
    function modifyLiquidity(PoolKey memory key, ModifyLiquidityParams memory params, bytes calldata hookData)
        external
        returns (BalanceDelta callerDelta, BalanceDelta feesAccrued);

    /// @notice Swap against the given pool
    /// @param key The pool to swap in
    /// @param params The parameters for swapping
    /// @param hookData The data to pass through to the swap hooks
    /// @return swapDelta The balance delta of the address swapping
    /// @dev Swapping on low liquidity pools may cause unexpected swap amounts when liquidity available is less than amountSpecified.
    /// Additionally note that if interacting with hooks that have the BEFORE_SWAP_RETURNS_DELTA_FLAG or AFTER_SWAP_RETURNS_DELTA_FLAG
    /// the hook may alter the swap input/output. Integrators should perform checks on the returned swapDelta.
    function swap(PoolKey memory key, SwapParams memory params, bytes calldata hookData)
        external
        returns (BalanceDelta swapDelta);

    /// @notice Donate the given currency amounts to the in-range liquidity providers of a pool
    /// @dev Calls to donate can be frontrun adding just-in-time liquidity, with the aim of receiving a portion donated funds.
    /// Donors should keep this in mind when designing donation mechanisms.
    /// @dev This function donates to in-range LPs at slot0.tick. In certain edge-cases of the swap algorithm, the `sqrtPrice` of
    /// a pool can be at the lower boundary of tick `n`, but the `slot0.tick` of the pool is already `n - 1`. In this case a call to
    /// `donate` would donate to tick `n - 1` (slot0.tick) not tick `n` (getTickAtSqrtPrice(slot0.sqrtPriceX96)).
    /// Read the comments in `Pool.swap()` for more information about this.
    /// @param key The key of the pool to donate to
    /// @param amount0 The amount of currency0 to donate
    /// @param amount1 The amount of currency1 to donate
    /// @param hookData The data to pass through to the donate hooks
    /// @return BalanceDelta The delta of the caller after the donate
    function donate(PoolKey memory key, uint256 amount0, uint256 amount1, bytes calldata hookData)
        external
        returns (BalanceDelta);

    /// @notice Writes the current ERC20 balance of the specified currency to transient storage
    /// This is used to checkpoint balances for the manager and derive deltas for the caller.
    /// @dev This MUST be called before any ERC20 tokens are sent into the contract, but can be skipped
    /// for native tokens because the amount to settle is determined by the sent value.
    /// However, if an ERC20 token has been synced and not settled, and the caller instead wants to settle
    /// native funds, this function can be called with the native currency to then be able to settle the native currency
    function sync(Currency currency) external;

    /// @notice Called by the user to net out some value owed to the user
    /// @dev Will revert if the requested amount is not available, consider using `mint` instead
    /// @dev Can also be used as a mechanism for free flash loans
    /// @param currency The currency to withdraw from the pool manager
    /// @param to The address to withdraw to
    /// @param amount The amount of currency to withdraw
    function take(Currency currency, address to, uint256 amount) external;

    /// @notice Called by the user to pay what is owed
    /// @return paid The amount of currency settled
    function settle() external payable returns (uint256 paid);

    /// @notice Called by the user to pay on behalf of another address
    /// @param recipient The address to credit for the payment
    /// @return paid The amount of currency settled
    function settleFor(address recipient) external payable returns (uint256 paid);

    /// @notice WARNING - Any currency that is cleared, will be non-retrievable, and locked in the contract permanently.
    /// A call to clear will zero out a positive balance WITHOUT a corresponding transfer.
    /// @dev This could be used to clear a balance that is considered dust.
    /// Additionally, the amount must be the exact positive balance. This is to enforce that the caller is aware of the amount being cleared.
    function clear(Currency currency, uint256 amount) external;

    /// @notice Called by the user to move value into ERC6909 balance
    /// @param to The address to mint the tokens to
    /// @param id The currency address to mint to ERC6909s, as a uint256
    /// @param amount The amount of currency to mint
    /// @dev The id is converted to a uint160 to correspond to a currency address
    /// If the upper 12 bytes are not 0, they will be 0-ed out
    function mint(address to, uint256 id, uint256 amount) external;

    /// @notice Called by the user to move value from ERC6909 balance
    /// @param from The address to burn the tokens from
    /// @param id The currency address to burn from ERC6909s, as a uint256
    /// @param amount The amount of currency to burn
    /// @dev The id is converted to a uint160 to correspond to a currency address
    /// If the upper 12 bytes are not 0, they will be 0-ed out
    function burn(address from, uint256 id, uint256 amount) external;

    /// @notice Updates the pools lp fees for the a pool that has enabled dynamic lp fees.
    /// @dev A swap fee totaling MAX_SWAP_FEE (100%) makes exact output swaps impossible since the input is entirely consumed by the fee
    /// @param key The key of the pool to update dynamic LP fees for
    /// @param newDynamicLPFee The new dynamic pool LP fee
    function updateDynamicLPFee(PoolKey memory key, uint24 newDynamicLPFee) external;
}
"
    },
    "lib/v4-core/src/types/PoolKey.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {Currency} from "./Currency.sol";
import {IHooks} from "../interfaces/IHooks.sol";
import {PoolIdLibrary} from "./PoolId.sol";

using PoolIdLibrary for PoolKey global;

/// @notice Returns the key for identifying a pool
struct PoolKey {
    /// @notice The lower currency of the pool, sorted numerically
    Currency currency0;
    /// @notice The higher currency of the pool, sorted numerically
    Currency currency1;
    /// @notice The pool LP fee, capped at 1_000_000. If the highest bit is 1, the pool has a dynamic fee and must be exactly equal to 0x800000
    uint24 fee;
    /// @notice Ticks that involve positions must be a multiple of tick spacing
    int24 tickSpacing;
    /// @notice The hooks of the pool
    IHooks hooks;
}
"
    },
    "lib/v4-core/src/types/PoolId.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {PoolKey} from "./PoolKey.sol";

type PoolId is bytes32;

/// @notice Library for computing the ID of a pool
library PoolIdLibrary {
    /// @notice Returns value equal to keccak256(abi.encode(poolKey))
    function toId(PoolKey memory poolKey) internal pure returns (PoolId poolId) {
        assembly ("memory-safe") {
            // 0xa0 represents the total size of the poolKey struct (5 slots of 32 bytes)
            poolId := keccak256(poolKey, 0xa0)
        }
    }
}
"
    },
    "lib/v4-core/src/types/Currency.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {IERC20Minimal} from "../interfaces/external/IERC20Minimal.sol";
import {CustomRevert} from "../libraries/CustomRevert.sol";

type Currency is address;

using {greaterThan as >, lessThan as <, greaterThanOrEqualTo as >=, equals as ==} for Currency global;
using CurrencyLibrary for Currency global;

function equals(Currency currency, Currency other) pure returns (bool) {
    return Currency.unwrap(currency) == Currency.unwrap(other);
}

function greaterThan(Currency currency, Currency other) pure returns (bool) {
    return Currency.unwrap(currency) > Currency.unwrap(other);
}

function lessThan(Currency currency, Currency other) pure returns (bool) {
    return Currency.unwrap(currency) < Currency.unwrap(other);
}

function greaterThanOrEqualTo(Currency currency, Currency other) pure returns (bool) {
    return Currency.unwrap(currency) >= Currency.unwrap(other);
}

/// @title CurrencyLibrary
/// @dev This library allows for transferring and holding native tokens and ERC20 tokens
library CurrencyLibrary {
    /// @notice Additional context for ERC-7751 wrapped error when a native transfer fails
    error NativeTransferFailed();

    /// @notice Additional context for ERC-7751 wrapped error when an ERC20 transfer fails
    error ERC20TransferFailed();

    /// @notice A constant to represent the native currency
    Currency public constant ADDRESS_ZERO = Currency.wrap(address(0));

    function transfer(Currency currency, address to, uint256 amount) internal {
        // altered from https://github.com/transmissions11/solmate/blob/44a9963d4c78111f77caa0e65d677b8b46d6f2e6/src/utils/SafeTransferLib.sol
        // modified custom error selectors

        bool success;
        if (currency.isAddressZero()) {
            assembly ("memory-safe") {
                // Transfer the ETH and revert if it fails.
                success := call(gas(), to, amount, 0, 0, 0, 0)
            }
            // revert with NativeTransferFailed, containing the bubbled up error as an argument
            if (!success) {
                CustomRevert.bubbleUpAndRevertWith(to, bytes4(0), NativeTransferFailed.selector);
            }
        } else {
            assembly ("memory-safe") {
                // Get a pointer to some free memory.
                let fmp := mload(0x40)

                // Write the abi-encoded calldata into memory, beginning with the function selector.
                mstore(fmp, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)
                mstore(add(fmp, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument.
                mstore(add(fmp, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type.

                success :=
                    and(
                        // Set success to whether the call reverted, if not we check it either
                        // returned exactly 1 (can't just be non-zero data), or had no return data.
                        or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                        // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                        // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                        // Counterintuitively, this call must be positioned second to the or() call in the
                        // surrounding and() call or else returndatasize() will be zero during the computation.
                        call(gas(), currency, 0, fmp, 68, 0, 32)
                    )

                // Now clean the memory we used
                mstore(fmp, 0) // 4 byte `selector` and 28 bytes of `to` were stored here
                mstore(add(fmp, 0x20), 0) // 4 bytes of `to` and 28 bytes of `amount` were stored here
                mstore(add(fmp, 0x40), 0) // 4 bytes of `amount` were stored here
            }
            // revert with ERC20TransferFailed, containing the bubbled up error as an argument
            if (!success) {
                CustomRevert.bubbleUpAndRevertWith(
                    Currency.unwrap(currency), IERC20Minimal.transfer.selector, ERC20TransferFailed.selector
                );
            }
        }
    }

    function balanceOfSelf(Currency currency) internal view returns (uint256) {
        if (currency.isAddressZero()) {
            return address(this).balance;
        } else {
            return IERC20Minimal(Currency.unwrap(currency)).balanceOf(address(this));
        }
    }

    function balanceOf(Currency currency, address owner) internal view returns (uint256) {
        if (currency.isAddressZero()) {
            return owner.balance;
        } else {
            return IERC20Minimal(Currency.unwrap(currency)).balanceOf(owner);
        }
    }

    function isAddressZero(Currency currency) internal pure returns (bool) {
        return Currency.unwrap(currency) == Currency.unwrap(ADDRESS_ZERO);
    }

    function toId(Currency currency) internal pure returns (uint256) {
        return uint160(Currency.unwrap(currency));
    }

    // If the upper 12 bytes are non-zero, they will be zero-ed out
    // Therefore, fromId() and toId() are not inverses of each other
    function fromId(uint256 id) internal pure returns (Currency) {
        return Currency.wrap(address(uint160(id)));
    }
}
"
    },
    "lib/v4-core/src/interfaces/IHooks.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {PoolKey} from "../types/PoolKey.sol";
import {BalanceDelta} from "../types/BalanceDelta.sol";
import {ModifyLiquidityParams, SwapParams} from "../types/PoolOperation.sol";
import {BeforeSwapDelta} from "../types/BeforeSwapDelta.sol";

/// @notice V4 decides whether to invoke specific hooks by inspecting the least significant bits
/// of the address that the hooks contract is deployed to.
/// For example, a hooks contract deployed to address: 0x0000000000000000000000000000000000002400
/// has the lowest bits '10 0100 0000 0000' which would cause the 'before initialize' and 'after add liquidity' hooks to be used.
/// See the Hooks library for the full spec.
/// @dev Should only be callable by the v4 PoolManager.
interface IHooks {
    /// @notice The hook called before the state of a pool is initialized
    /// @param sender The initial msg.sender for the initialize call
    /// @param key The key for the pool being initialized
    /// @param sqrtPriceX96 The sqrt(price) of the pool as a Q64.96
    /// @return bytes4 The function selector for the hook
    function beforeInitialize(address sender, PoolKey calldata key, uint160 sqrtPriceX96) external returns (bytes4);

    /// @notice The hook called after the state of a pool is initialized
    /// @param sender The initial msg.sender for the initialize call
    /// @param key The key for the pool being initialized
    /// @param sqrtPriceX96 The sqrt(price) of the pool as a Q64.96
    /// @param tick The current tick after the state of a pool is initialized
    /// @return bytes4 The function selector for the hook
    function afterInitialize(address sender, PoolKey calldata key, uint160 sqrtPriceX96, int24 tick)
        external
        returns (bytes4);

    /// @notice The hook called before liquidity is added
    /// @param sender The initial msg.sender for the add liquidity call
    /// @param key The key for the pool
    /// @param params The parameters for adding liquidity
    /// @param hookData Arbitrary data handed into the PoolManager by the liquidity provider to be passed on to the hook
    /// @return bytes4 The function selector for the hook
    function beforeAddLiquidity(
        address sender,
        PoolKey calldata key,
        ModifyLiquidityParams calldata params,
        bytes calldata hookData
    ) external returns (bytes4);

    /// @notice The hook called after liquidity is added
    /// @param sender The initial msg.sender for the add liquidity call
    /// @param key The key for the pool
    /// @param params The parameters for adding liquidity
    /// @param delta The caller's balance delta after adding liquidity; the sum of principal delta, fees accrued, and hook delta
    /// @param feesAccrued The fees accrued since the last time fees were collected from this position
    /// @param hook