{"hook":"0xFA4442990292C4c809c07E90eC4c61c2497A20cc","block":93458703,"bits":8396,"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":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":11216,"selectors":["0x0885f732","0x08b66372","0x1d8ef3ef","0x1dfce5c6","0x21c0b342","0x21d0ee70","0x259982e5","0x2d46f589","0x2feb2668","0x52f4ac21","0x575e24b4","0x63908162","0x69801ac4","0x6c2bbe7e","0x6fe7e6eb","0x91dd7346","0x9f063efc","0xb47b2fb1","0xb4ba9e11","0xb6a8b0fa","0xc4e833ce","0xcbaa1a47","0xd4570c1c","0xd55be8c6","0xdc4c90d3","0xdc98354e","0xe1b4af69","0xfdf9d6ae"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":7,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x0885f732","name":"poolConfig(bytes32)"},{"selector":"0x08b66372","name":"HOOK_FLAGS()"},{"selector":"0x1d8ef3ef","name":"currentFeeBps(bytes32)"},{"selector":"0x1dfce5c6","name":"totalClaimable(address)"},{"selector":"0x21c0b342","name":"claim(address,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":"0x2d46f589","name":null},{"selector":"0x2feb2668","name":null},{"selector":"0x52f4ac21","name":null},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x63908162","name":null},{"selector":"0x69801ac4","name":null},{"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":"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":"0xb4ba9e11","name":"claimFor(address,address)"},{"selector":"0xb6a8b0fa","name":"beforeDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xcbaa1a47","name":"MIN_FEE_BPS()"},{"selector":"0xd4570c1c","name":"claimable(address,address)"},{"selector":"0xd55be8c6","name":"MAX_FEE_BPS()"},{"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":"0xfdf9d6ae","name":null}],"history":{"pools":3,"firstTime":1790897458,"lastTime":1790897579},"pools":[{"id":"0x34b1a449d9f92dab9e06ec8a99acd74feb45fbe831961ccdf7bf058e85947099","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x767B29c87B642aA15B1eb4dC5e2C8D11EF5E64F8","fee":0,"tickSpacing":200,"hooks":"0xFA4442990292C4c809c07E90eC4c61c2497A20cc"},"symbols":["ETH","ALPN"],"state":{"sqrtP":"1134670973151372590485584594839487","tick":191399,"protocolFee":0,"lpFee":0,"liquidity":"62739615132047913076351"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"2190390228260981","paid":"2190390228260981","got":"431087110397072311150320","expected":"449040096837063610548471","feePpm":0,"takePpm":39981},{"zeroForOne":false,"ok":true,"amountIn":"17844270179937799465","paid":"17844270179937799465","got":"83519770478","expected":"86999760914","feePpm":0,"takePpm":40000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-12946559020979","-3523004013337464191076"],"removed":["12946559020978","3523004013337464191075"]}},{"id":"0xc3271b71bd9a39ec84f07df36865db732291f2b919d102fbaa2b088050a30bc7","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x6328cB7c5bFD5168BfEEcDc3b3788bb372B47419","fee":0,"tickSpacing":200,"hooks":"0xFA4442990292C4c809c07E90eC4c61c2497A20cc"},"symbols":["ETH","ALPN"],"state":{"sqrtP":"1134670973134031531779955680667092","tick":191399,"protocolFee":0,"lpFee":0,"liquidity":"62739615132047913076351"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"2190390228294457","paid":"2190390228294457","got":"431087110390484156863021","expected":"449040096830201078477374","feePpm":0,"takePpm":39981},{"zeroForOne":false,"ok":true,"amountIn":"17847703212191253303","paid":"17847703212191253303","got":"83535838723","expected":"87016498669","feePpm":0,"takePpm":40000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-12946559027675","-3523004011964251289694"],"removed":["12946559027674","3523004011964251289693"]}}],"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 4% of each swap 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 claim, claimFor, claimable."},{"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":"3 pools over 18 days."}],"score":75,"verdict":"caution"}