{"hook":"0x32ECb34A3557e6Ae9558E08dB47c0e132EA880Cc","block":93329848,"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":3901,"selectors":["0x575e24b4","0x7b103999","0x90e3677f","0x91dd7346","0xa12ef25e","0xb47b2fb1","0xbf333f2c","0xd5f39488","0xd7b96d4e","0xdc4c90d3","0xfad17eb6"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":5,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x7b103999","name":"registry()"},{"selector":"0x90e3677f","name":"wire(address,address)"},{"selector":"0x91dd7346","name":"unlockCallback(bytes)"},{"selector":"0xa12ef25e","name":"collect(address,address)"},{"selector":"0xb47b2fb1","name":"afterSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),int256,bytes)"},{"selector":"0xbf333f2c","name":"FEE_BPS()"},{"selector":"0xd5f39488","name":"deployer()"},{"selector":"0xd7b96d4e","name":"locker()"},{"selector":"0xdc4c90d3","name":"poolManager()"},{"selector":"0xfad17eb6","name":"accrued(address,address)"}],"history":{"pools":4,"firstTime":1788886977,"lastTime":1788892674},"pools":[{"id":"0x7d19e34ae3447270b3254a5a049d54c72abb4f25a8ca8a3d810d4ca140778cc5","key":{"currency0":"0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","currency1":"0xf11Da12a33bcca11858F041B1FbE89878353c71e","fee":0,"tickSpacing":200,"hooks":"0x32ECb34A3557e6Ae9558E08dB47c0e132EA880Cc"},"symbols":["NVDA","SWILL"],"state":{"sqrtP":"654666256682770184551441675214336","tick":180399,"protocolFee":0,"lpFee":0,"liquidity":"121020690627492824861998"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"7323003779977664","paid":"7323003779977664","got":"494755096227367440600605","expected":"499750124937531177651263","feePpm":0,"takePpm":9996},{"zeroForOne":false,"ok":false,"why":"thin","reason":"no liquidity above the price"}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-43283362075529","-3920863939497281336521"],"removed":["43283362075528","3920863939497281336520"]}}],"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 1.00% 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":"4 pools over 41 days."}],"score":88,"verdict":"caution"}