{"hook":"0x220cA73f14A22E863574280C7dCB8C72AF98E044","block":93329533,"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":8747,"selectors":["0x21d0ee70","0x259982e5","0x2b20e397","0x359b4f30","0x3fb8660c","0x4b38474d","0x575e24b4","0x6c2bbe7e","0x6ecf0cc1","0x6fe7e6eb","0x89f69f01","0x91dd7346","0x92a0e3f2","0x9ce110d7","0x9f063efc","0xb47b2fb1","0xb5217bb4","0xb6a8b0fa","0xb7535bc8","0xbc25cf77","0xc1b64f74","0xc4e833ce","0xce07d308","0xdc4c90d3","0xdc98354e","0xe1b4af69"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":6,"addresses":["0xfFfD8963eFD1FC6A506488495D951d5263988d26","0xfFfd8963EFd1fC6A506488495d951d5263988d25"]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"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":"0x2b20e397","name":"registrar()"},{"selector":"0x359b4f30","name":"pendingFees(bytes32,address)"},{"selector":"0x3fb8660c","name":"MAX_INTERNAL_PRICE_IMPACT_BPS()"},{"selector":"0x4b38474d","name":"feeSink()"},{"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":"0x6ecf0cc1","name":null},{"selector":"0x6fe7e6eb","name":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)"},{"selector":"0x89f69f01","name":"HOOK_FEE_BPS()"},{"selector":"0x91dd7346","name":"unlockCallback(bytes)"},{"selector":"0x92a0e3f2","name":"jerk()"},{"selector":"0x9ce110d7","name":"initializer()"},{"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":"0xb5217bb4","name":"pools(bytes32)"},{"selector":"0xb6a8b0fa","name":"beforeDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"},{"selector":"0xb7535bc8","name":"sweep(bytes32,uint256)"},{"selector":"0xbc25cf77","name":"skim(address)"},{"selector":"0xc1b64f74","name":"totalPending(address)"},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xce07d308","name":"registerPool((address,address,uint24,int24,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":4,"firstTime":1787328692,"lastTime":1787328692},"pools":[{"id":"0x3cef012a0ea1035fe4fc4b0721137f65c8a9bd820bc31d7ef7f1c993bbb9d7e1","key":{"currency0":"0x682e4FFa36204a78D22aA51922918975aB73288b","currency1":"0xe93237C50D904957Cf27E7B1133b510C669c2e74","fee":0,"tickSpacing":200,"hooks":"0x220cA73f14A22E863574280C7dCB8C72AF98E044"},"symbols":["JERK","MSFT"],"state":{"sqrtP":"13498632047494793953764185","tick":-173559,"protocolFee":0,"lpFee":0,"liquidity":"1815979410141423472042"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"5329307122492631208673","paid":"5329307122492631208673","got":"153076738915770","expected":"154622968601787","feePpm":0,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"154700280086088","paid":"154700280086088","got":"5273377362586383918035","expected":"5326643800592306987914","feePpm":0,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-39671748651855179487","-976379119074"],"removed":["39671748651855179486","976379119073"]}},{"id":"0xf4a496aeb25e4c0429be0b495d455374d56c175354ae30be322b6297b5dfa1c0","key":{"currency0":"0x682e4FFa36204a78D22aA51922918975aB73288b","currency1":"0x86923f96303D656E4aa86D9d42D1e57ad2023fdC","fee":0,"tickSpacing":200,"hooks":"0x220cA73f14A22E863574280C7dCB8C72AF98E044"},"symbols":["JERK","AMD"],"state":{"sqrtP":"13460793278548991023991930","tick":-173615,"protocolFee":0,"lpFee":0,"liquidity":"1839759006088477800017"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"5414269519826236400481","paid":"5414269519826236400481","got":"154646506813072","expected":"156208592740476","feePpm":0,"takePpm":10000},{"zeroForOne":false,"ok":true,"amountIn":"57832971598661","paid":"57832971598661","got":"1983116436215893919091","expected":"2003147915369589817263","feePpm":0,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-32778741459787448470","-1203331581511"],"removed":["32778741459787448469","1203331581510"]}}],"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 sweep, skim."},{"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 59 days."}],"score":88,"verdict":"caution"}