{"hook":"0xC51916dA6a8d4806F08Aa41809a62F8d2E7fE044","block":93239800,"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":7292,"selectors":["0x0885f732","0x1b206fa8","0x21d0ee70","0x259982e5","0x2e182d58","0x2e397572","0x575e24b4","0x58021c0c","0x6c2bbe7e","0x6fe7e6eb","0x91dd7346","0x9d23c4c7","0x9f063efc","0xb47b2fb1","0xb6a8b0fa","0xc4e833ce","0xd55be8c6","0xd78ba396","0xda4e6595","0xdc4c90d3","0xdc98354e","0xe1b4af69"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":4,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x0885f732","name":"poolConfig(bytes32)"},{"selector":"0x1b206fa8","name":"MAX_PLATFORM_SHARE_BPS()"},{"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":"0x2e182d58","name":null},{"selector":"0x2e397572","name":"MIN_CREATOR_SHARE_BPS()"},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x58021c0c","name":"distribute(bytes32,address)"},{"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":"0x91dd7346","name":"unlockCallback(bytes)"},{"selector":"0x9d23c4c7","name":"tokenRegistry()"},{"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":"0xd55be8c6","name":"MAX_FEE_BPS()"},{"selector":"0xd78ba396","name":null},{"selector":"0xda4e6595","name":"pending(bytes32,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":5,"firstTime":1788972458,"lastTime":1789059126},"pools":[{"id":"0x5473bcd9b7408df91a8f2075021af60bd0ff357e7c1865a3492e567da2649b97","key":{"currency0":"0x65f2e5649C5759b76C1677351dD07948A66F78D9","currency1":"0xd0601CE157Db5bdC3162BbaC2a2C8aF5320D9EEC","fee":0,"tickSpacing":200,"hooks":"0xC51916dA6a8d4806F08Aa41809a62F8d2E7fE044"},"symbols":["DADASDASD","NVDA"],"state":{"sqrtP":"1238179828978587013345005","tick":-221340,"protocolFee":0,"lpFee":0,"liquidity":"1965364813730961679008"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"62879494245413993868878","paid":"62879494245413993868878","got":"15242263926448","expected":"15349711909816","feePpm":0,"takePpm":7000},{"zeroForOne":false,"ok":true,"amountIn":"15357386765771","paid":"15357386765771","got":"62408133718834106523163","expected":"62848070210306250275088","feePpm":0,"takePpm":7000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-456758513481004302036","-99705638420"],"removed":["456758513481004302035","99705638419"]}},{"id":"0x6bd680010b3cfe89c920b78773ccc9de6e5b408d7dbc8cf980a03db5f2319117","key":{"currency0":"0x8faEa9Ebc70b8a8E91c27cB9C53500e4418DBe0b","currency1":"0xaF3D76f1834A1d425780943C99Ea8A608f8a93f9","fee":0,"tickSpacing":200,"hooks":"0xC51916dA6a8d4806F08Aa41809a62F8d2E7fE044"},"symbols":["Duo","AAPL"],"state":{"sqrtP":"164844268379057414019430","tick":-261670,"protocolFee":0,"lpFee":0,"liquidity":"1924658756584150858829"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"462518892074878215037586","paid":"462518892074878215037586","got":"1987239300680","expected":"2001248036938","feePpm":0,"takePpm":7000},{"zeroForOne":false,"ok":true,"amountIn":"2002248660956","paid":"2002248660956","got":"459051733963256035476504","expected":"462287748200660660097184","feePpm":0,"takePpm":7000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-3046975995080744501924","-14353987117"],"removed":["3046975995080744501923","14353987116"]}}],"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 0.70% 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":"5 pools over 40 days."}],"score":95,"verdict":"caution"}