{"hook":"0x4013567e2E4d16d5a977D28A1D91d6e7766E38cc","block":93003502,"bits":14540,"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":true},{"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":true},{"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":6272,"selectors":["0x04e8805c","0x21d0ee70","0x259982e5","0x2975067d","0x575e24b4","0x6c2bbe7e","0x6fe7e6eb","0x791b98bc","0x9040f866","0x9f063efc","0xb2718659","0xb47b2fb1","0xb6a8b0fa","0xc45a0155","0xc4e833ce","0xd4175be2","0xdc4c90d3","0xdc98354e","0xe1b4af69","0xe1f1c4a7","0xe42a8a2d","0xe88791db","0xfd60b9b2"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":2,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x04e8805c","name":"totalFeeBps(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":"0x2975067d","name":"MAX_CREATOR_TAX_BPS()"},{"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":"0x791b98bc","name":"positionManager()"},{"selector":"0x9040f866","name":"protocolFeeShareBps()"},{"selector":"0x9f063efc","name":"afterAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0xb2718659","name":"registerPool((address,address,uint24,int24,address),address,address,uint16)"},{"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":"0xd4175be2","name":"poolIds(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)"},{"selector":"0xe1f1c4a7","name":"BASIS_POINTS()"},{"selector":"0xe42a8a2d","name":"poolFeeConfigs(bytes32)"},{"selector":"0xe88791db","name":"BASE_FEE_BPS()"},{"selector":"0xfd60b9b2","name":"quotePaymentFee(uint256,uint16,bool)"}],"history":{"pools":19,"firstTime":1788372695,"lastTime":1789053109},"pools":[{"id":"0x9504338c87b059033f9096a63397ae1466e7f0593aae417dcb070a6047849225","key":{"currency0":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","currency1":"0x2BA3A39458CF8A65C2656Bd5CC719b056ea1B0ac","fee":0,"tickSpacing":200,"hooks":"0x4013567e2E4d16d5a977D28A1D91d6e7766E38cc"},"symbols":["SPY","TEST9102"],"state":{"sqrtP":"1367326097213465807203255736642588","tick":195130,"protocolFee":0,"lpFee":0,"liquidity":"57742791865701158097912"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"1672920346977363","paid":"1672920346977363","got":"480593749927986257622960","expected":"498015900249177277806879","feePpm":0,"takePpm":34984},{"zeroForOne":false,"ok":true,"amountIn":"498264908199302152331485","paid":"498264908199302152331485","got":"1613561354156078","expected":"1672084304824951","feePpm":0,"takePpm":35000}],"roundTrip":{"ok":false,"stage":"add","reason":"NotPositionManager"}},{"id":"0xc2bbf1a54c901e78032b68fc28e45414b9638718861a0c52e2571eda042f8937","key":{"currency0":"0x117cc2133c37B721F49dE2A7a74833232B3B4C0C","currency1":"0x6d26Ca2C3768D19D7d9BC6E92E5eDcC2044E5417","fee":0,"tickSpacing":200,"hooks":"0x4013567e2E4d16d5a977D28A1D91d6e7766E38cc"},"symbols":["SPY","TEST9101"],"state":{"sqrtP":"1372087492730419042701955690975288","tick":195199,"protocolFee":0,"lpFee":0,"liquidity":"57742791865701158097912"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"1667115006222841","paid":"1667115006222841","got":"482267306024842878954263","expected":"499750124937530960163446","feePpm":0,"takePpm":34984},{"zeroForOne":false,"ok":false,"why":"thin","reason":"no liquidity above the price"}],"roundTrip":{"ok":false,"stage":"add","reason":"NotPositionManager"}}],"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":"caution","detail":"It takes 3.50% of each swap on top of the pool fee."},{"id":"03","title":"LPs can get out","status":"n/a","detail":"Closed to outside LPs: only the hook's own liquidity is in the pool."},{"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":"19 pools over 47 days."}],"score":79,"verdict":"caution"}