{"hook":"0xA7bB29fA858de4367B071dCc4374Ac91dE4a00Cc","block":93327872,"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":2930,"selectors":["0x21d0ee70","0x259982e5","0x46904840","0x575e24b4","0x6c2bbe7e","0x6fe7e6eb","0x9731aa2e","0x9f063efc","0xb47b2fb1","0xb6a8b0fa","0xc4e833ce","0xdc4c90d3","0xdc98354e","0xe1b4af69","0xf4364515"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":2,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"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":"0x46904840","name":"feeRecipient()"},{"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":"0x9731aa2e","name":"SELL_FEE_BPS()"},{"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":"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":"0xf4364515","name":"BUY_FEE_BPS()"}],"history":{"pools":4,"firstTime":1787608965,"lastTime":1787610976},"pools":[{"id":"0x0a9a36f03093b46981cc5d2830538117f9a1e2665d033ebb3eb50b985cdc7568","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x738efB041fD72c7dE89E0e99ca90528a93Df8f65","fee":0,"tickSpacing":60,"hooks":"0xA7bB29fA858de4367B071dCc4374Ac91dE4a00Cc"},"symbols":["ETH","NIBBL"],"state":{"sqrtP":"1768834045779052031428480358113330","tick":200279,"protocolFee":0,"lpFee":0,"liquidity":"35353810941980129197993"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"791769438601041","paid":"791769438601041","got":"374740911587197466186756","expected":"394454260785608627350027","feePpm":0,"takePpm":49977},{"zeroForOne":false,"ok":true,"amountIn":"394651487916001752288146","paid":"5366460917","got":"10","expected":"791373751725179","feePpm":0,"takePpm":70726}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-4679834166549","-2562065152537335799302"],"removed":["4679834166548","2562065152537335799301"]}},{"id":"0x0449d3fb4cc4fec5ca347a4dfbc36ae5fb2322c07e971b028f8dc3ba371d29d8","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x38EdD1c19d80a0C255150B1c5631fc7d4561ECa0","fee":0,"tickSpacing":60,"hooks":"0xA7bB29fA858de4367B071dCc4374Ac91dE4a00Cc"},"symbols":["ETH","NIBB"],"state":{"sqrtP":"2195280434697541062505451084278799","tick":204599,"protocolFee":0,"lpFee":0,"liquidity":"30385195903630143763170"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"548304262414712","paid":"548304262414712","got":"399723639026344575357234","expected":"420751211504649389622927","feePpm":0,"takePpm":49977},{"zeroForOne":false,"ok":true,"amountIn":"420961587110401870206411","paid":"3526103268","got":"4","expected":"548030247291066","feePpm":0,"takePpm":128630}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-3240808366444","-2732869496039825072734"],"removed":["3240808366443","2732869496039825072733"]}}],"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":"fail","detail":"It took 12.86% of a 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":"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 56 days."}],"score":70,"verdict":"danger"}