{"hook":"0xA1f9018D4A7936B2841030eCb95edead08F80080","block":93363719,"bits":128,"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":false},{"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":true},{"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":false},{"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":false},{"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":3316,"selectors":["0x04cdeefe","0x21d0ee70","0x259982e5","0x575e24b4","0x6c2bbe7e","0x6ef61607","0x6fe7e6eb","0x9f063efc","0xa203e0bc","0xb47b2fb1","0xb6a8b0fa","0xbc063e1a","0xc45a0155","0xc4e833ce","0xdc4c90d3","0xdc98354e","0xe1b4af69"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":0,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x04cdeefe","name":"register((address,address,uint24,int24,address),(uint64,uint32,uint24,uint24))"},{"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":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x6c2bbe7e","name":"afterRemoveLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0x6ef61607","name":"configOf(bytes32)"},{"selector":"0x6fe7e6eb","name":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)"},{"selector":"0x9f063efc","name":"afterAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0xa203e0bc","name":"currentFee((address,address,uint24,int24,address))"},{"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":"0xbc063e1a","name":"MAX_FEE()"},{"selector":"0xc45a0155","name":null},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"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)"}],"history":{"pools":5,"firstTime":1785490728,"lastTime":1785872167},"pools":[{"id":"0x9aee218b44fa4058f3392d137df3cd5d6a275b791e5e601231ae3d40f07eccc8","key":{"currency0":"0x1b0E319c6A659F002271B69dB8A7df2F911c153E","currency1":"0x367E8faA696d95d1C0bDa503F0dA4fA14a8eB6b7","fee":8388608,"tickSpacing":60,"hooks":"0xA1f9018D4A7936B2841030eCb95edead08F80080"},"symbols":["GME","CATE"],"state":{"sqrtP":"167692142711766941321663141417884","tick":153158,"protocolFee":0,"lpFee":0,"liquidity":"471959644238795853076946"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"108030820595924907","paid":"108030820595924907","got":"469225518551576505315603","expected":"483730620558093096985577","feePpm":0,"takePpm":29986},{"zeroForOne":false,"ok":true,"amountIn":"265809832127050243650650","paid":"265809832127050243650650","got":"57539281379633098","expected":"59318373379639839","feePpm":0,"takePpm":29993}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-681989646191945","-3139660474809740281903"],"removed":["681989646191944","3139660474809740281902"]}},{"id":"0x1d47644f26c8bbf9cd2c50c82b9e7c2c8b579445654a85b733f02598f77483f2","key":{"currency0":"0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","currency1":"0xd12f2Ce8e91fc6263d2fa5FF8BA71055133cD70A","fee":8388608,"tickSpacing":60,"hooks":"0xA1f9018D4A7936B2841030eCb95edead08F80080"},"symbols":["AAPL","AAPLCAT"],"state":{"sqrtP":"747405742012499307373251180162867","tick":183049,"protocolFee":0,"lpFee":0,"liquidity":"105950094586084041790216"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"5615578554203536","paid":"5615578554203536","got":"494502477059877546497255","expected":"499494955336495633809438","feePpm":0,"takePpm":9996},{"zeroForOne":false,"ok":true,"amountIn":"127648592666017546602815","paid":"127648592666017546602815","got":"1419850523093960","expected":"1434190616141843","feePpm":0,"takePpm":9999}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-33747960013721","-3194924970577690601994"],"removed":["33747960013720","3194924970577690601993"]}}],"openCallbacks":[],"checks":[{"id":"01","title":"Permissions that touch your money","status":"pass","detail":"None of the permissions that let a hook take from swaps or from LPs are switched on."},{"id":"02","title":"What it takes from a swap","status":"caution","detail":"It takes 3.00% of each swap 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":"caution","detail":"Its pools use a dynamic fee that the hook sets before every swap. It stands at 0% now and can change."},{"id":"05","title":"No one holds the switch","status":"pass","detail":"No owner and no admin functions found."},{"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":"5 pools over 81 days."}],"score":85,"verdict":"caution"}