{"hook":"0x81d5d771C6153258fc6c3F83160207Be18af80cC","block":93207271,"bits":204,"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":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":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":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":2930,"selectors":["0x21d0ee70","0x259982e5","0x46904840","0x575e24b4","0x6c2bbe7e","0x6fe7e6eb","0x9731aa2e","0x9f063efc","0xb47b2fb1","0xb6a8b0fa","0xc4e833ce","0xdc4c90d3","0xdc98354e","0xe1b4af69","0xf4364515"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":2,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"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":"0x46904840","name":"feeRecipient()"},{"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":"0x6fe7e6eb","name":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)"},{"selector":"0x9731aa2e","name":"SELL_FEE_BPS()"},{"selector":"0x9f063efc","name":"afterAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"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":"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":"0xf4364515","name":"BUY_FEE_BPS()"}],"history":{"pools":8,"firstTime":1787613655,"lastTime":1787615664},"pools":[{"id":"0xf4331eb89b6780ea530a4e692de1bd0ed8ad4141d64fa0217bb45fc474a85a2a","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x51874a5a0614068fc75307edbdF72f5F6b245A71","fee":0,"tickSpacing":60,"hooks":"0x81d5d771C6153258fc6c3F83160207Be18af80cC"},"symbols":["ETH","V4"],"state":{"sqrtP":"1918064392440561362099836722847195","tick":201899,"protocolFee":0,"lpFee":0,"liquidity":"36950285913494479068132"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"763139983423052","paid":"763139983423052","got":"424706366465491087972213","expected":"447048162223690096794359","feePpm":0,"takePpm":49977},{"zeroForOne":false,"ok":true,"amountIn":"447271686304801983904587","paid":"10125957078","got":"17","expected":"762758604120991","feePpm":0,"takePpm":15543}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-4510616846482","-2903673839542313501496"],"removed":["4510616846481","2903673839542313501495"]}},{"id":"0xc2f889c72a7e431496a3d9ffad8d5a81a340c3a792fb555be864b7513c9ddba7","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0xdf3b959f44f0EfE20c896732a1A8290046EcB1E6","fee":0,"tickSpacing":60,"hooks":"0x81d5d771C6153258fc6c3F83160207Be18af80cC"},"symbols":["ETH","V4"],"state":{"sqrtP":"1768834045779052023760252979924922","tick":200279,"protocolFee":0,"lpFee":0,"liquidity":"40067652400910813091059"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"897338697081180","paid":"897338697081180","got":"424706366465490524392735","expected":"447048162223689873377130","feePpm":0,"takePpm":49977},{"zeroForOne":false,"ok":true,"amountIn":"447271686304801983987562","paid":"9960002354","got":"19","expected":"896890251955202","feePpm":0,"takePpm":48681}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-5303812055423","-2903673839542313518654"],"removed":["5303812055422","2903673839542313518653"]}}],"openCallbacks":[],"checks":[{"id":"01","title":"Permissions that touch your money","status":"caution","detail":"The address enables before swap returns delta, 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":"caution","detail":"It takes 5.00% 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":"pass","detail":"A fixed fee of 0%, written in the pool key."},{"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":"8 pools over 56 days."}],"score":83,"verdict":"caution"}