{"hook":"0xE3e7B8c8A3D31e6eE249f4b11C0CC16169810040","block":93431397,"bits":64,"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":false},{"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":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":3446,"selectors":["0x1059171e","0x35d6b7cb","0x427fbf5a","0x46ea2fb0","0xa53e5412","0xb47b2fb1","0xdc4c90d3","0xfbdc1ef1","0xfbfa77cf"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":0,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x1059171e","name":"enable(bytes32)"},{"selector":"0x35d6b7cb","name":"observations(bytes32,uint16)"},{"selector":"0x427fbf5a","name":"CAPACITY()"},{"selector":"0x46ea2fb0","name":"meanTick(bytes32)"},{"selector":"0xa53e5412","name":"WINDOW()"},{"selector":"0xb47b2fb1","name":"afterSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),int256,bytes)"},{"selector":"0xdc4c90d3","name":"poolManager()"},{"selector":"0xfbdc1ef1","name":"states(bytes32)"},{"selector":"0xfbfa77cf","name":"vault()"}],"history":{"pools":3,"firstTime":1788804094,"lastTime":1788807042},"pools":[{"id":"0x1e08069af5abe2af4f4ec169b73c66d2a87ab6c30c174477086f96e1d2078fbb","key":{"currency0":"0x0Bd7D308f8E1639FAb988df18A8011f41EAcAD73","currency1":"0x2885b0f9a41eC8b0724Ec42343dbd5a653ebBbbB","fee":10000,"tickSpacing":200,"hooks":"0xE3e7B8c8A3D31e6eE249f4b11C0CC16169810040"},"symbols":["WETH","TEST"],"state":{"sqrtP":"1253998404144967959649668739445846","tick":193399,"protocolFee":0,"lpFee":10000,"liquidity":"63180393635334332350580"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"1995882322541130","paid":"1995882322541130","got":"494754785727128058513789","expected":"494754785727128058513789","feePpm":10000,"takePpm":0},{"zeroForOne":false,"ok":true,"amountIn":"156895661359339168519","paid":"156895661359339168519","got":"620027941253","expected":"620027941253","feePpm":10000,"takePpm":0}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-11797109511433","-3920801181126247409987"],"removed":["11797109511432","3920801181126247409986"]}}],"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":"A swap through it pays the pool fee and nothing else."},{"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 1%, 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":"3 pools over 42 days."}],"score":100,"verdict":"safe"}