{"hook":"0x15042f71865Ab4d90e43852E91638c514A6BC088","block":93299924,"bits":136,"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":true},{"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":1758,"selectors":["0x02669b52","0x07a34fa1","0x2c597de9","0x3eacd2f8","0x575e24b4","0x6281de9f","0x8970cdff","0x8da5cb5b","0xc9034e8b","0xd22057a9"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":1,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":"0x31Bbd536DB62a7F0e4e3605722263Cbe18eb1325","functions":[{"selector":"0x02669b52","name":"launchpad()"},{"selector":"0x07a34fa1","name":"transferHookOwnership(address)"},{"selector":"0x2c597de9","name":"MAX_TAX_BPS()"},{"selector":"0x3eacd2f8","name":"taxBps()"},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x6281de9f","name":null},{"selector":"0x8970cdff","name":"pm()"},{"selector":"0x8da5cb5b","name":"owner()"},{"selector":"0xc9034e8b","name":"setTax(uint24)"},{"selector":"0xd22057a9","name":"register(bytes32,address)"}],"history":{"pools":4,"firstTime":1786707023,"lastTime":1786709711},"pools":[{"id":"0xb088f41969b9f68ac777be3c705deba9316c3b0da77da738b2dc33136bfacce3","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x38833BAF1FEb5843E0Da1c90B6C467479547B5b4","fee":0,"tickSpacing":60,"hooks":"0x15042f71865Ab4d90e43852E91638c514A6BC088"},"symbols":["ETH","Catsker"],"state":{"sqrtP":"2963171121470539136174157365767432","tick":210599,"protocolFee":0,"lpFee":0,"liquidity":"21442523856405161838240"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"286661096367624","paid":"286661096367624","got":"399578186462405370300473","expected":"400779927176186891746841","feePpm":0,"takePpm":2999},{"zeroForOne":false,"ok":true,"amountIn":"6973239001805560796793","paid":"6973239001805560796793","got":"4970174610000","expected":"4985129869961","feePpm":0,"takePpm":3000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-1696274771212","-2600452958906225811258"],"removed":["1696274771211","2600452958906225811257"]}}],"openCallbacks":[],"checks":[{"id":"01","title":"Permissions that touch your money","status":"caution","detail":"The address enables before 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 0.30% 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 0x31Bbd536DB62a7F0e4e3605722263Cbe18eb1325. Owner-style functions: transferHookOwnership, setTax."},{"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":"4 pools over 66 days."}],"score":88,"verdict":"caution"}