{"hook":"0x4F076db7EEfB87589a560e0FEbFe85B34eDF6044","block":93295417,"bits":8260,"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":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":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":8747,"selectors":["0x21d0ee70","0x259982e5","0x2b20e397","0x359b4f30","0x3fb8660c","0x4b38474d","0x575e24b4","0x6c2bbe7e","0x6ecf0cc1","0x6fe7e6eb","0x89f69f01","0x91dd7346","0x92a0e3f2","0x9ce110d7","0x9f063efc","0xb47b2fb1","0xb5217bb4","0xb6a8b0fa","0xb7535bc8","0xbc25cf77","0xc1b64f74","0xc4e833ce","0xce07d308","0xdc4c90d3","0xdc98354e","0xe1b4af69"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":6,"addresses":["0xfFfD8963eFD1FC6A506488495D951d5263988d26","0xfFfd8963EFd1fC6A506488495d951d5263988d25"]},"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":"0x2b20e397","name":"registrar()"},{"selector":"0x359b4f30","name":"pendingFees(bytes32,address)"},{"selector":"0x3fb8660c","name":"MAX_INTERNAL_PRICE_IMPACT_BPS()"},{"selector":"0x4b38474d","name":"feeSink()"},{"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":"0x6ecf0cc1","name":null},{"selector":"0x6fe7e6eb","name":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)"},{"selector":"0x89f69f01","name":"HOOK_FEE_BPS()"},{"selector":"0x91dd7346","name":"unlockCallback(bytes)"},{"selector":"0x92a0e3f2","name":"jerk()"},{"selector":"0x9ce110d7","name":"initializer()"},{"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":"0xb7535bc8","name":"sweep(bytes32,uint256)"},{"selector":"0xbc25cf77","name":"skim(address)"},{"selector":"0xc1b64f74","name":"totalPending(address)"},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xce07d308","name":"registerPool((address,address,uint24,int24,address))"},{"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)"}],"history":{"pools":4,"firstTime":1787322983,"lastTime":1787322989},"pools":[{"id":"0x84f83eb6546cf30d2c9cab08bad6268c82fac9a157a2c19f7475f21df66a025e","key":{"currency0":"0x0d378a3376C16f32EDadeBC66CF65978fa9604a6","currency1":"0xe93237C50D904957Cf27E7B1133b510C669c2e74","fee":0,"tickSpacing":200,"hooks":"0x4F076db7EEfB87589a560e0FEbFe85B34eDF6044"},"symbols":["TEST","MSFT"],"state":{"sqrtP":"6774772386637070676769102","tick":-187347,"protocolFee":0,"lpFee":0,"liquidity":"8603692017678220754"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"50308310781320248986","paid":"50308310781320248986","got":"363988855446","expected":"367665510551","feePpm":0,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"367849343306","paid":"367849343306","got":"49780337504695062359","expected":"50283169196661679150","feePpm":0,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-368850207102786784","-2363173359"],"removed":["368850207102786783","2363173358"]}},{"id":"0x0b5c3aec81108976c9cbe1d03e0a412de91e54991e73fd22840da5aa8f5b599d","key":{"currency0":"0x0d378a3376C16f32EDadeBC66CF65978fa9604a6","currency1":"0x86923f96303D656E4aa86D9d42D1e57ad2023fdC","fee":0,"tickSpacing":200,"hooks":"0x4F076db7EEfB87589a560e0FEbFe85B34eDF6044"},"symbols":["TEST","AMD"],"state":{"sqrtP":"6933591363922685622049370","tick":-186884,"protocolFee":0,"lpFee":0,"liquidity":"8751422655642618820"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"49999999999999973374","paid":"49999999999999973374","got":"378918163482","expected":"382745619678","feePpm":0,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"382936992488","paid":"382936992488","got":"49475262368754260599","expected":"49975012493691172322","feePpm":0,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-335972996504292810","-2694944624"],"removed":["335972996504292809","2694944623"]}}],"openCallbacks":[],"checks":[{"id":"01","title":"Permissions that touch your money","status":"caution","detail":"The address enables 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% 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 sweep, skim."},{"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 59 days."}],"score":88,"verdict":"caution"}