{"hook":"0x3a319a4769d2a473Ed93861766cE217775412044","block":92982528,"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":7630,"selectors":["0xdc4c90d3","0xdc98354e","0xe1b4af69","0xe30c3978","0xf2fde38b","0xfc656ac5","0x9f063efc","0xa34b5ee8","0xb47b2fb1","0xb6a8b0fa","0xc4e833ce","0x6c2bbe7e","0x6fe7e6eb","0x715018a6","0x79ba5097","0x8da5cb5b","0x9bd7c419","0x21d0ee70","0x259982e5","0x50c358a4","0x575e24b4","0x61815be3"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":7,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":"0x4D8E431f3d93B57E3CDd3FA9cc4e6D248678933B","functions":[{"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":"0xe30c3978","name":"pendingOwner()"},{"selector":"0xf2fde38b","name":"transferOwnership(address)"},{"selector":"0xfc656ac5","name":"handleHookFees(address[])"},{"selector":"0x9f063efc","name":"afterAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0xa34b5ee8","name":"setDeployer(address,bool)"},{"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":"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":"0x715018a6","name":"renounceOwnership()"},{"selector":"0x79ba5097","name":"acceptOwnership()"},{"selector":"0x8da5cb5b","name":"owner()"},{"selector":"0x9bd7c419","name":"setArenaFeeHelper(address)"},{"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":"0x50c358a4","name":"isDeployer(address)"},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x61815be3","name":"arenaFeeHelper()"}],"history":{"pools":53,"firstTime":1784551683,"lastTime":1787205646},"pools":[{"id":"0x0741ad8d0e3b8d61cd2001f749913b4ef2b346ee164a28e50addbf589f56ce8f","key":{"currency0":"0x0145AcbcceFbEd6F303C420bEeaaAc72E905430b","currency1":"0xE40E87CBCD4fa51EbdF08d69275e1418A137A852","fee":2500,"tickSpacing":60,"hooks":"0x3a319a4769d2a473Ed93861766cE217775412044"},"symbols":["PACK","PACK"],"state":{"sqrtP":"99848983649339023150092303502999","tick":142788,"protocolFee":0,"lpFee":2500,"liquidity":"790077963824111819820371"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"313455495634432354","paid":"313455495634432354","got":"493882289697025757582979","expected":"496364110248267093048220","feePpm":2500,"takePpm":5000},{"zeroForOne":false,"ok":true,"amountIn":"139609840428660426747507","paid":"139609840428660426747507","got":"87229453124039342","expected":"87667792084461650","feePpm":2500,"takePpm":5000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-1886812448438643","-3178036405401138510780"],"removed":["1886812448438642","3178036405401138510779"]}},{"id":"0x40ea9b9a214c332349794f7b91e7f770154cc0728c8be2122fc2a83b131214d1","key":{"currency0":"0x7f59283f9E917Ab17B84D663B0d940f53e23fdcF","currency1":"0xe8fB470E0685437d7739BD2AacBA60b228800335","fee":2500,"tickSpacing":60,"hooks":"0x3a319a4769d2a473Ed93861766cE217775412044"},"symbols":["TEST","THROBBIN"],"state":{"sqrtP":"154940752908868740161843584","tick":-124748,"protocolFee":0,"lpFee":2500,"liquidity":"1951960440447185539387906"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"499062500000000000000053","paid":"499062500000000000000053","got":"1893418120446179839","expected":"1902932784368019938","feePpm":2500,"takePpm":5000},{"zeroForOne":false,"ok":true,"amountIn":"339921627924249789","paid":"339921627924249789","got":"88207203207111926011241","expected":"88650455484534599006272","feePpm":2500,"takePpm":5000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-2984249151130413420648","-12259363909911574"],"removed":["2984249151130413420647","12259363909911573"]}}],"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 0.50% 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 0.25%, written in the pool key."},{"id":"05","title":"No one holds the switch","status":"caution","detail":"Owned by 0x4D8E431f3d93B57E3CDd3FA9cc4e6D248678933B. Owner-style functions: transferOwnership, setDeployer, setArenaFeeHelper."},{"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":"53 pools over 91 days."}],"score":88,"verdict":"caution"}