{"hook":"0xc8556631aEbEa150023646f7301D5B9157F72080","block":93271858,"bits":8320,"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":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":3473,"selectors":["0x16eebd1e","0x21d0ee70","0x259982e5","0x575e24b4","0x6901f668","0x6c2bbe7e","0x6fe7e6eb","0x808f27ea","0x9f063efc","0xa203e0bc","0xb47b2fb1","0xb6a8b0fa","0xc4e833ce","0xd1e16bfa","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":"0x16eebd1e","name":"launcher()"},{"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":"0x6901f668","name":"validate()"},{"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":"0x808f27ea","name":"setSchedule((address,address,uint24,int24,address),uint24,uint24,uint32)"},{"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":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xd1e16bfa","name":"schedules(bytes32)"},{"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":4,"firstTime":1783438501,"lastTime":1785667328},"pools":[{"id":"0x303b301a21b56e53ef8948591748c34a6d3930abad9cedd330b0d189a7e1ad19","key":{"currency0":"0x0342D33A136b7182d8de7Fa3DFC17b08DAD9C0dE","currency1":"0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","fee":8388608,"tickSpacing":200,"hooks":"0xc8556631aEbEa150023646f7301D5B9157F72080"},"symbols":["test","WETH"],"state":{"sqrtP":"2917337339024326558635761","tick":-204199,"protocolFee":0,"lpFee":0,"liquidity":"36819258015569838458222"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"18439872034244911833484","paid":"18439872034244911833484","got":"24751373423338","expected":"25001382685822","feePpm":0,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"677878880408551","paid":"677878880408551","got":"494718603344159248464981","expected":"499713263623556876624384","feePpm":0,"takePpm":9996}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-3913487990571144940878","-4016376855382"],"removed":["3913487990571144940877","4016376855381"]}},{"id":"0x87724cf42eed46856bd46285a6b3e426357518c1af28b3ff4e8345664f0642be","key":{"currency0":"0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","currency1":"0x8c951349889241D33859cCC5f739EFfD45A3c0DE","fee":8388608,"tickSpacing":200,"hooks":"0xc8556631aEbEa150023646f7301D5B9157F72080"},"symbols":["WETH","LINI"],"state":{"sqrtP":"2151812965726883146664719712003525","tick":204199,"protocolFee":0,"lpFee":0,"liquidity":"36819258015569838458222"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"677828929413201","paid":"677828929413201","got":"494755060458312053670123","expected":"499750088807353543479418","feePpm":0,"takePpm":9996},{"zeroForOne":false,"ok":true,"amountIn":"18073840239474725352","paid":"18073840239474725352","got":"24256925443","expected":"24501944888","feePpm":0,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-4006386656312","-3920856709848747986592"],"removed":["4006386656311","3920856709848747986591"]}}],"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":"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":"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":"caution","detail":"No owner() but it has setSchedule."},{"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 104 days."}],"score":90,"verdict":"caution"}