{"hook":"0x19Bec7C2E1b2aadAf67b259744751a9960d66000","block":92951814,"bits":8192,"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":true},{"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":false},{"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":488,"selectors":["0xc45a0155","0xdc4c90d3","0xdc98354e"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":0,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0xc45a0155","name":null},{"selector":"0xdc4c90d3","name":"poolManager()"},{"selector":"0xdc98354e","name":"beforeInitialize(address,(address,address,uint24,int24,address),uint160)"}],"history":{"pools":40,"firstTime":1791257645,"lastTime":1792422628},"pools":[{"id":"0xc36db609becff52847dabcf37a78becd60492e41499b8363558e6967e4168fcd","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x4F1b7a5aAF3768F7500E9ab5CBBF3762834e8B57","fee":12500,"tickSpacing":60,"hooks":"0x19Bec7C2E1b2aadAf67b259744751a9960d66000"},"symbols":["ETH","ITEM"],"state":{"sqrtP":"235763241370809716015721949539547","tick":159973,"protocolFee":0,"lpFee":12500,"liquidity":"10008011620374816816356"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"547887527685734","paid":"547887527685734","got":"4790178296718655828648","expected":"4790178296718655828648","feePpm":12500,"takePpm":0},{"zeroForOne":false,"ok":true,"amountIn":"14890672611973584721053","paid":"14890672611973584721053","got":"1659755129830278","expected":"1659755129830278","feePpm":12500,"takePpm":0}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-10704818209475","-89894901379371176548"],"removed":["10704818209474","89894901379371176547"]}}],"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":"caution","detail":"A fixed fee, but a high one: 1.25%."},{"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":"40 pools over 13 days."}],"score":98,"verdict":"caution"}