{"hook":"0x027c3D1Bd7765eE95Ba70909c37C8652A7148044","block":93278332,"bits":68,"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":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":3092,"selectors":["0x117803e3","0x196ab777","0x21d0ee70","0x259982e5","0x575e24b4","0x5bb47808","0x62308e85","0x6c2bbe7e","0x6fe7e6eb","0x9f063efc","0xb47b2fb1","0xb6a8b0fa","0xc45a0155","0xc4e833ce","0xd22057a9","0xdc98354e","0xe1b4af69","0xff9073b2"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":1,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x117803e3","name":"OWNER()"},{"selector":"0x196ab777","name":"feeRecipientOf(bytes32)"},{"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":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x5bb47808","name":"setFactory(address)"},{"selector":"0x62308e85","name":"POOL_MANAGER()"},{"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":"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":"0xc45a0155","name":null},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xd22057a9","name":"register(bytes32,address)"},{"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":"0xff9073b2","name":"FEE_UNITS()"}],"history":{"pools":4,"firstTime":1782973457,"lastTime":1782982599},"pools":[{"id":"0x9e04c12132533b053d751a9790aa1489383bd9b1c307ce9558e60086caa54bd0","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x1E8386e7B19f60dDB331064E780d3D8E0bd501Ad","fee":10000,"tickSpacing":200,"hooks":"0x027c3D1Bd7765eE95Ba70909c37C8652A7148044"},"symbols":["ETH","PPR2"],"state":{"sqrtP":"2499848862369271329395095838710612","tick":207198,"protocolFee":0,"lpFee":10000,"liquidity":"31690866724818211737594"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"502192187873336","paid":"502192187873336","got":"489771778626012410793911","expected":"494718968309103445246374","feePpm":10000,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"18255455059631641649136","paid":"18255455059631641649136","got":"17971605027045","expected":"18153136390954","feePpm":10000,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-2975375688353","-3913561757359340510154"],"removed":["2975375688352","3913561757359340510153"]}},{"id":"0x0b4225422f0d9b30ebc5f29c52ff6aa6e33928f820542d935b7f3793413cfeac","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x21f8eb7200fDDffec29ED12786E53FDaFa21eD22","fee":10000,"tickSpacing":200,"hooks":"0x027c3D1Bd7765eE95Ba70909c37C8652A7148044"},"symbols":["ETH","PPR2"],"state":{"sqrtP":"2499884727924294362498813600320457","tick":207198,"protocolFee":0,"lpFee":10000,"liquidity":"31690866724818211737594"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"502184982980508","paid":"502184982980508","got":"489778805425487392284479","expected":"494726066086350901297453","feePpm":10000,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"14668944631468109281039","paid":"14668944631468109281039","got":"14440497375384","expected":"14586360985236","feePpm":10000,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-2973934709788","-3914996361530605923101"],"removed":["2973934709787","3914996361530605923100"]}}],"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 1%, written in the pool key."},{"id":"05","title":"No one holds the switch","status":"caution","detail":"No owner() but it has setFactory."},{"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 110 days."}],"score":88,"verdict":"caution"}