{"hook":"0x8e99D2009D60A917e9B1c00C04C077b8c0c3a044","block":93034155,"bits":8260,"flags":[{"bit":13,"key":"beforeInitialize","label":"Before initialize","risk":0,"does":"Runs once, when a pool is created.","fn":"beforeInitialize(address,(address,address,uint24,int24,address),uint160)","on":true},{"bit":12,"key":"afterInitialize","label":"After initialize","risk":0,"does":"Runs once, right after a pool is created.","fn":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)","on":false},{"bit":11,"key":"beforeAddLiquidity","label":"Before add liquidity","risk":1,"does":"Can refuse a deposit, or only let some addresses provide liquidity.","fn":"beforeAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)","on":false},{"bit":10,"key":"afterAddLiquidity","label":"After add liquidity","risk":0,"does":"Runs after each deposit.","fn":"afterAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)","on":false},{"bit":9,"key":"beforeRemoveLiquidity","label":"Before remove liquidity","risk":2,"does":"Can refuse a withdrawal. LPs may not get out.","fn":"beforeRemoveLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)","on":false},{"bit":8,"key":"afterRemoveLiquidity","label":"After remove liquidity","risk":0,"does":"Runs after each withdrawal.","fn":"afterRemoveLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)","on":false},{"bit":7,"key":"beforeSwap","label":"Before swap","risk":1,"does":"Runs before every swap. On a dynamic-fee pool it can set the fee each time.","fn":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)","on":false},{"bit":6,"key":"afterSwap","label":"After swap","risk":0,"does":"Runs after every swap.","fn":"afterSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),int256,bytes)","on":true},{"bit":5,"key":"beforeDonate","label":"Before donate","risk":0,"does":"Runs before a donation to LPs.","fn":"beforeDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)","on":false},{"bit":4,"key":"afterDonate","label":"After donate","risk":0,"does":"Runs after a donation to LPs.","fn":"afterDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)","on":false},{"bit":3,"key":"beforeSwapReturnDelta","label":"Before swap returns delta","risk":2,"does":"Can take part of what you put into a swap, or change how much is swapped.","fn":null,"on":false},{"bit":2,"key":"afterSwapReturnDelta","label":"After swap returns delta","risk":2,"does":"Can take part of what you get out of every swap.","fn":null,"on":true},{"bit":1,"key":"afterAddLiquidityReturnDelta","label":"After add returns delta","risk":2,"does":"Can charge LPs on the way in.","fn":null,"on":false},{"bit":0,"key":"afterRemoveLiquidityReturnDelta","label":"After remove returns delta","risk":2,"does":"Can take part of what LPs withdraw.","fn":null,"on":false}],"code":{"size":15167,"selectors":["0x21d0ee70","0x259982e5","0x2ce8b029","0x359b4f30","0x3d61055e","0x41541148","0x48332680","0x49127e2a","0x54faf9c3","0x575e24b4","0x5bb47808","0x5cbe8117","0x64df049e","0x6c2bbe7e","0x6fe7e6eb","0x715018a6","0x7862505c","0x79ba5097","0x89a69bd8","0x8a36a6bb","0x8da5cb5b","0x9040f866","0x90addc1e","0x91dd7346","0x9f063efc","0xad091230","0xb47b2fb1","0xb6a8b0fa","0xb89eddab","0xbfe7af83","0xc45a0155","0xc4b7de97","0xc4e833ce","0xc8eaa792","0xdc4c90d3","0xdc98354e","0xe1b4af69","0xe30c3978","0xe356a181","0xe521cb92","0xea26abcf","0xed8ef7a3","0xf1f5c993","0xf2fde38b"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":16,"addresses":["0xfFfD8963eFD1FC6A506488495D951d5263988d26","0xfFfd8963EFd1fC6A506488495d951d5263988d25"]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":"0x0815A4881f9c4073a70fdF00600EbA54c5a5baAa","functions":[{"selector":"0x21d0ee70","name":"beforeRemoveLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)"},{"selector":"0x259982e5","name":"beforeAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)"},{"selector":"0x2ce8b029","name":"setBuybackEnabled(bytes32,bool)"},{"selector":"0x359b4f30","name":"pendingFees(bytes32,address)"},{"selector":"0x3d61055e","name":"sweepPoolFees(bytes32,uint256,uint256)"},{"selector":"0x41541148","name":"registerPool((address,address,uint24,int24,address),address,address,address,uint16,bool,(address,uint16,uint16,uint16,uint16))"},{"selector":"0x48332680","name":"setBuybackBurnBps(uint256)"},{"selector":"0x49127e2a","name":"buybackBurnBps()"},{"selector":"0x54faf9c3","name":"setFeeSweepOperator(address)"},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x5bb47808","name":"setFactory(address)"},{"selector":"0x5cbe8117","name":"rescuePoolFees(bytes32)"},{"selector":"0x64df049e","name":"protocolFeeRecipient()"},{"selector":"0x6c2bbe7e","name":"afterRemoveLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0x6fe7e6eb","name":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)"},{"selector":"0x715018a6","name":"renounceOwnership()"},{"selector":"0x7862505c","name":"setBuybackVault(address)"},{"selector":"0x79ba5097","name":"acceptOwnership()"},{"selector":"0x89a69bd8","name":"currentFeePolicy()"},{"selector":"0x8a36a6bb","name":"feeSweepOperator()"},{"selector":"0x8da5cb5b","name":"owner()"},{"selector":"0x9040f866","name":"protocolFeeShareBps()"},{"selector":"0x90addc1e","name":"maxInternalPriceImpactBps()"},{"selector":"0x91dd7346","name":"unlockCallback(bytes)"},{"selector":"0x9f063efc","name":"afterAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0xad091230","name":"launches(bytes32)"},{"selector":"0xb47b2fb1","name":"afterSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),int256,bytes)"},{"selector":"0xb6a8b0fa","name":"beforeDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"},{"selector":"0xb89eddab","name":"setMaxInternalPriceImpactBps(uint256)"},{"selector":"0xbfe7af83","name":"setHookFeeBps(uint256)"},{"selector":"0xc45a0155","name":null},{"selector":"0xc4b7de97","name":"feeEscrow()"},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xc8eaa792","name":"pendingCreatorTax(bytes32,address)"},{"selector":"0xdc4c90d3","name":"poolManager()"},{"selector":"0xdc98354e","name":"beforeInitialize(address,(address,address,uint24,int24,address),uint160)"},{"selector":"0xe1b4af69","name":"afterDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"},{"selector":"0xe30c3978","name":"pendingOwner()"},{"selector":"0xe356a181","name":"pendingBuyback(bytes32,address)"},{"selector":"0xe521cb92","name":"setProtocolFeeRecipient(address)"},{"selector":"0xea26abcf","name":"hookFeeBps()"},{"selector":"0xed8ef7a3","name":"setCreatorFeeRecipient(bytes32,address)"},{"selector":"0xf1f5c993","name":"buybackVault()"},{"selector":"0xf2fde38b","name":"transferOwnership(address)"}],"history":{"pools":16,"firstTime":1785520065,"lastTime":1785873371},"pools":[{"id":"0xf6c3aa83cc9444c2cd87aa4ec951b4f7304bd08fd49cd76424ecd7135ebe24b1","key":{"currency0":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","currency1":"0xd68BEB7fEEA75Bc59214442e7A0f4697968E4Cf0","fee":0,"tickSpacing":200,"hooks":"0x8e99D2009D60A917e9B1c00C04C077b8c0c3a044"},"symbols":["SPY","MEMESTOCK"],"state":{"sqrtP":"1182358139116394754332608478768482","tick":192223,"protocolFee":0,"lpFee":0,"liquidity":"47164497197769080574331"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"925021461127698","paid":"925021461127698","got":"203891364358640387388766","expected":"205950873089535744837137","feePpm":0,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"351928691575262810072080","paid":"351928691575262810072080","got":"1563629492628021","expected":"1579423729927293","feePpm":0,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-12036102750296","-2159986136375026449896"],"removed":["12036102750295","2159986136375026449895"]}},{"id":"0x7829da9b486662baa17a47fcb653cdfae3caf609ae190a152c8f2c680dbeb13c","key":{"currency0":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","currency1":"0xF052F9339afAbA171724B3229a624Db2a30eB115","fee":0,"tickSpacing":200,"hooks":"0x8e99D2009D60A917e9B1c00C04C077b8c0c3a044"},"symbols":["USDG","USDG"],"state":{"sqrtP":"41818990537077737481915927775714791216","tick":401705,"protocolFee":0,"lpFee":0,"liquidity":"1284920423611741601"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"1217172","paid":"1217172","got":"335550567764190211916499","expected":"338939967438575971632827","feePpm":0,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"339109688592380201256438","paid":"339109688592380201256438","got":"1204399","expected":"1216564","feePpm":0,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":121,"added":["-8305","-2351500200892369463274"],"removed":["8304","2351500200892369463273"]}}],"openCallbacks":[],"checks":[{"id":"01","title":"Permissions that touch your money","status":"caution","detail":"The address enables after swap returns delta. The hook is allowed to take; the next two checks measure whether it does."},{"id":"02","title":"What it takes from a swap","status":"pass","detail":"It takes 1% on top of the pool fee."},{"id":"03","title":"LPs can get out","status":"pass","detail":"Liquidity added and removed in the same block came back whole."},{"id":"04","title":"The fee is the fee","status":"pass","detail":"A fixed fee of 0%, written in the pool key."},{"id":"05","title":"No one holds the switch","status":"caution","detail":"Owned by 0x0815A4881f9c4073a70fdF00600EbA54c5a5baAa. Owner-style functions: setBuybackEnabled, sweepPoolFees, setBuybackBurnBps, setFeeSweepOperator, setFactory, rescuePoolFees."},{"id":"06","title":"The code cannot change","status":"pass","detail":"Not a proxy, no DELEGATECALL, no SELFDESTRUCT."},{"id":"07","title":"Only the PoolManager can call it","status":"pass","detail":"Each callback refused a call that did not come from the PoolManager."},{"id":"08","title":"Track record","status":"pass","detail":"16 pools over 80 days."}],"score":88,"verdict":"caution"}