{"hook":"0xE2347C6fA77dA6Bec54507Ef1C833457CeC0C0cC","block":93299442,"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":4321,"selectors":["0x02669b52","0x21d0ee70","0x259982e5","0x2b20e397","0x31cd0ab5","0x575e24b4","0x6c2bbe7e","0x6fe7e6eb","0x9f063efc","0xb47b2fb1","0xb5217bb4","0xb6a8b0fa","0xbf333f2c","0xc4e833ce","0xdc4c90d3","0xdc98354e","0xe1a45218","0xe1b4af69"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":2,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x02669b52","name":"launchpad()"},{"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":"0x2b20e397","name":"registrar()"},{"selector":"0x31cd0ab5","name":"registerPool((address,address,uint24,int24,address),address,address,address,uint256)"},{"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":"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":"0xb5217bb4","name":"pools(bytes32)"},{"selector":"0xb6a8b0fa","name":"beforeDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"},{"selector":"0xbf333f2c","name":"FEE_BPS()"},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xdc4c90d3","name":"poolManager()"},{"selector":"0xdc98354e","name":"beforeInitialize(address,(address,address,uint24,int24,address),uint160)"},{"selector":"0xe1a45218","name":"BPS_DENOMINATOR()"},{"selector":"0xe1b4af69","name":"afterDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"}],"history":{"pools":4,"firstTime":1788401734,"lastTime":1788402967},"pools":[{"id":"0xc3ddc2a0184f3bde5ffb3c1e928abef1c237f88cc8fd7e1f88418a190794f879","key":{"currency0":"0x0B8Ed80D0B932213b263B82Df692F1d4bBEa5555","currency1":"0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","fee":0,"tickSpacing":200,"hooks":"0xE2347C6fA77dA6Bec54507Ef1C833457CeC0C0cC"},"symbols":["too","AAPL"],"state":{"sqrtP":"7772163521632085710428160","tick":-184600,"protocolFee":0,"lpFee":0,"liquidity":"49049247609603312819496"},"swaps":[{"zeroForOne":true,"ok":false,"why":"thin","reason":"no liquidity below the price"},{"zeroForOne":false,"ok":true,"amountIn":"2405828691068176","paid":"2405828691068176","got":"248126805041296989548720","expected":"249875062468765586399120","feePpm":0,"takePpm":6997}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-1960431969748640667914","-14219896296096"],"removed":["1960431969748640667913","14219896296095"]}},{"id":"0xe8453148ae6a6f1790ef88adf0ee7b603cfa33150df60d8977e25841cf65da0d","key":{"currency0":"0x0B8Ed80D0B932213b263B82Df692F1d4bBEa5555","currency1":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","fee":0,"tickSpacing":200,"hooks":"0xE2347C6fA77dA6Bec54507Ef1C833457CeC0C0cC"},"symbols":["too","SPY"],"state":{"sqrtP":"5055971751476382004647179","tick":-193200,"protocolFee":0,"lpFee":0,"liquidity":"31907667621132185913729"},"swaps":[{"zeroForOne":true,"ok":false,"why":"thin","reason":"no liquidity below the price"},{"zeroForOne":false,"ok":true,"amountIn":"1018099253020647","paid":"1018099253020647","got":"248126805041297055646425","expected":"249875062468765546532193","feePpm":0,"takePpm":6997}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-1960431969748640668064","-6017579660113"],"removed":["1960431969748640668063","6017579660112"]}}],"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":"pass","detail":"It takes 0.70% 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":"4 pools over 47 days."}],"score":95,"verdict":"caution"}