{"hook":"0x83122685A4B0b8AFbe0F6Eff82AaA308e64ca054","block":92973318,"bits":8276,"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":true},{"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":10280,"selectors":["0xe1b4af69","0xf0c5f549","0xf7cb789a","0xfaa0a264","0xff97da92","0xd73792a9","0xdc4c90d3","0xdc98354e","0xdcf844a7","0xaa328cf0","0xac0b02f2","0xb47b2fb1","0xb6a8b0fa","0xcc0c3039","0x8188c824","0x88600d8f","0x8e82db89","0x9f063efc","0x6c2bbe7e","0x6c32b2ec","0x6fe7e6eb","0x7eb11845","0x7f301ad1","0x522066ca","0x575e24b4","0x582f3b39","0x676dc40d","0x259982e5","0x2b298957","0x3807b58a","0x51adc761","0x0328d239","0x046ade7a","0x08b66372","0x21d0ee70"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":8,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0xe1b4af69","name":"afterDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"},{"selector":"0xf0c5f549","name":null},{"selector":"0xf7cb789a","name":"roundDuration()"},{"selector":"0xfaa0a264","name":"burnToken()"},{"selector":"0xff97da92","name":null},{"selector":"0xd73792a9","name":"FEE_DENOMINATOR()"},{"selector":"0xdc4c90d3","name":"poolManager()"},{"selector":"0xdc98354e","name":"beforeInitialize(address,(address,address,uint24,int24,address),uint160)"},{"selector":"0xdcf844a7","name":"protocolFees(address)"},{"selector":"0xaa328cf0","name":null},{"selector":"0xac0b02f2","name":null},{"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":"0xcc0c3039","name":"CREATOR_SHARE()"},{"selector":"0x8188c824","name":null},{"selector":"0x88600d8f","name":"hookFee()"},{"selector":"0x8e82db89","name":null},{"selector":"0x9f063efc","name":"afterAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0x6c2bbe7e","name":"afterRemoveLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0x6c32b2ec","name":"burnRouter()"},{"selector":"0x6fe7e6eb","name":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)"},{"selector":"0x7eb11845","name":"SHARE_DENOMINATOR()"},{"selector":"0x7f301ad1","name":null},{"selector":"0x522066ca","name":"poolCreators(bytes32)"},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x582f3b39","name":null},{"selector":"0x676dc40d","name":null},{"selector":"0x259982e5","name":"beforeAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)"},{"selector":"0x2b298957","name":null},{"selector":"0x3807b58a","name":"burnOperator()"},{"selector":"0x51adc761","name":"PROTOCOL_SHARE()"},{"selector":"0x0328d239","name":null},{"selector":"0x046ade7a","name":null},{"selector":"0x08b66372","name":"HOOK_FLAGS()"},{"selector":"0x21d0ee70","name":"beforeRemoveLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)"}],"history":{"pools":49,"firstTime":1784085450,"lastTime":1785796941},"pools":[{"id":"0xe4ba1b28e0b3689a27198f924692236bba003c80454470eb3badc8f5ea5ed220","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0xd917B029C761D264c6A312BBbcDA868658eF86a6","fee":0,"tickSpacing":60,"hooks":"0x83122685A4B0b8AFbe0F6Eff82AaA308e64ca054"},"symbols":["ETH","USAR"],"state":{"sqrtP":"1243554529325661497053858983733","tick":55070,"protocolFee":0,"lpFee":0,"liquidity":"18780939826772629"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"598276680948","paid":"598276680948","got":"145844708605135","expected":"147317887479934","feePpm":0,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"34277854260432","paid":"34277854260432","got":"137729770942","expected":"139120980749","feePpm":0,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-3590160437","-943595242859"],"removed":["3590160436","943595242858"]}}],"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 burnToken, burnRouter, burnOperator."},{"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":"49 pools over 96 days."}],"score":88,"verdict":"caution"}