{"hook":"0xf7255D2c93B567b1ec796BaD0B2f73d42d49C0CC","block":93116364,"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":8645,"selectors":["0x03ce8f49","0x21d0ee70","0x259982e5","0x575e24b4","0x6c2bbe7e","0x6fe7e6eb","0x7928ebc2","0x91dd7346","0x9f063efc","0xb47b2fb1","0xb6a8b0fa","0xb6c1c747","0xb8dc491b","0xbfd83868","0xc45a0155","0xc4e833ce","0xdc4c90d3","0xdc98354e","0xe1b4af69","0xfad17eb6"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":8,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x03ce8f49","name":"MAX_PIPS()"},{"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":"0x6fe7e6eb","name":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)"},{"selector":"0x7928ebc2","name":"PIPS_DENOM()"},{"selector":"0x91dd7346","name":"unlockCallback(bytes)"},{"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":"0xb6c1c747","name":null},{"selector":"0xb8dc491b","name":"sweep(address,address)"},{"selector":"0xbfd83868","name":null},{"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)"},{"selector":"0xfad17eb6","name":"accrued(address,address)"}],"history":{"pools":11,"firstTime":1788798719,"lastTime":1788808733},"pools":[{"id":"0x0b7dc42690c3dbe1df82700d4e18e3e67bfeb654d2baedc93436593a2a267d90","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0xcd4588b44d8e0332C7D2b5C1b7F452d08D492dDd","fee":0,"tickSpacing":10,"hooks":"0xf7255D2c93B567b1ec796BaD0B2f73d42d49C0CC"},"symbols":["ETH","SAFEMOON"],"state":{"sqrtP":"1975487243897377026068706258789146","tick":202489,"protocolFee":0,"lpFee":0,"liquidity":"40105631033059759266938"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"201097921080875","paid":"201097921080875","got":"122509492308769079969189","expected":"125009373481705293438547","feePpm":0,"takePpm":19998},{"zeroForOne":false,"ok":false,"why":"thin","reason":"no liquidity above the price"}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-4753488436215","-3003808884060808567424"],"removed":["4753488436214","3003808884060808567423"]}},{"id":"0x2cf9af266700afabb65b6c2388c5af0c864ae8de61e3549d4c9f71d5e1893d26","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0xE385445F34bFd170eF9EE2ab475ffDe8753D4d19","fee":0,"tickSpacing":10,"hooks":"0xf7255D2c93B567b1ec796BaD0B2f73d42d49C0CC"},"symbols":["ETH","POOL"],"state":{"sqrtP":"1963766628893580173052872313723338","tick":202370,"protocolFee":0,"lpFee":0,"liquidity":"40105631033059759266938"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"19823684070043","paid":"19823684070043","got":"11691522683705465008088","expected":"12178663493986528577395","feePpm":0,"takePpm":40000},{"zeroForOne":false,"ok":true,"amountIn":"112098919826340099700660","paid":"112098919826340099700660","got":"175147162301486","expected":"182444960730714","feePpm":0,"takePpm":40000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-4852656643653","-2942494538049773765599"],"removed":["4852656643652","2942494538049773765598"]}}],"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 4% 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 sweep."},{"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":"11 pools over 42 days."}],"score":75,"verdict":"caution"}