{"hook":"0xF2a80B93269e83A24e451fCa5e0FA5dEf7BDC0cC","block":93419712,"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":2651,"selectors":["0x02669b52","0x06ec16f8","0x249d39e9","0x25d2a3f3","0x575e24b4","0x91dd7346","0x9728538f","0xb47b2fb1","0xbf333f2c","0xdc4c90d3"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":4,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x02669b52","name":"launchpad()"},{"selector":"0x06ec16f8","name":"collect(address)"},{"selector":"0x249d39e9","name":"BPS()"},{"selector":"0x25d2a3f3","name":"pendingFees(address)"},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x91dd7346","name":"unlockCallback(bytes)"},{"selector":"0x9728538f","name":"FLAGS()"},{"selector":"0xb47b2fb1","name":"afterSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),int256,bytes)"},{"selector":"0xbf333f2c","name":"FEE_BPS()"},{"selector":"0xdc4c90d3","name":"poolManager()"}],"history":{"pools":3,"firstTime":1784492913,"lastTime":1784557334},"pools":[{"id":"0x4fd9de03b60044caddebcdca0930aaf8228d7fe949ad1532ad951bb6563207c5","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x48C442EB580F7ec7b261C6112Eea9d2Db2B570Da","fee":0,"tickSpacing":200,"hooks":"0xF2a80B93269e83A24e451fCa5e0FA5dEf7BDC0cC"},"symbols":["ETH","CAT3"],"state":{"sqrtP":"2026377437368932936928009610005718","tick":202998,"protocolFee":0,"lpFee":0,"liquidity":"39095916497508424169487"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"764294343390075","paid":"764294343390075","got":"489728618378407356221954","expected":"499718085244533293468507","feePpm":0,"takePpm":19991},{"zeroForOne":false,"ok":true,"amountIn":"16027856142568069559318","paid":"16027856142568069559318","got":"24011154123411","expected":"24501177676950","feePpm":0,"takePpm":20000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-4526950189508","-3914452796928482852229"],"removed":["4526950189507","3914452796928482852228"]}},{"id":"0x71b51db2b82eb822e06baf91ea48113945fe703e789970baeb7d8fb2ec2245fc","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x5DCCa0e75C8bb6771500646d5709af0faEc01da7","fee":0,"tickSpacing":200,"hooks":"0xF2a80B93269e83A24e451fCa5e0FA5dEf7BDC0cC"},"symbols":["ETH","CAT2"],"state":{"sqrtP":"2026507359644926967019449628122897","tick":202999,"protocolFee":0,"lpFee":0,"liquidity":"39095916497508424169487"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"764245343390075","paid":"764245343390075","got":"489760017591380112125943","expected":"499750124937530787081353","feePpm":0,"takePpm":19991},{"zeroForOne":false,"ok":false,"why":"thin","reason":"no liquidity above the price"}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-4517150189508","-3920863939497281335634"],"removed":["4517150189507","3920863939497281335633"]}}],"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 2% 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":"caution","detail":"No owner() but it has collect."},{"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":"3 pools over 92 days."}],"score":75,"verdict":"caution"}