{"hook":"0xb0521e0a8c1f55aFcBcE959A1B8b1fB3190540cC","block":93300456,"bits":204,"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":false},{"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":5657,"selectors":["0x0961712f","0x173c8e70","0x1d8ef3ef","0x21d0ee70","0x24f24bf4","0x259982e5","0x4ddfb907","0x575e24b4","0x5bb47808","0x6c2bbe7e","0x6fe7e6eb","0x84cd5521","0x8da5cb5b","0x9f063efc","0xb47b2fb1","0xb6a8b0fa","0xbae76b2d","0xc45a0155","0xc4e833ce","0xcbaa1a47","0xd55be8c6","0xda926b87","0xdc4c90d3","0xdc98354e","0xe1b4af69","0xf2fde38b","0xf77f7cf6"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":2,"addresses":["0x63757272656E637930206e6F74206E6174697665"]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":"0x656746C1275622b93c798e8f4b9Be843eCC3Be33","functions":[{"selector":"0x0961712f","name":"feeRecipient(bytes32)"},{"selector":"0x173c8e70","name":"setPoolFee(bytes32,uint256,uint256)"},{"selector":"0x1d8ef3ef","name":"currentFeeBps(bytes32)"},{"selector":"0x21d0ee70","name":"beforeRemoveLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)"},{"selector":"0x24f24bf4","name":"maxFeeBps(bytes32)"},{"selector":"0x259982e5","name":"beforeAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)"},{"selector":"0x4ddfb907","name":"baseFeeBps(bytes32)"},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x5bb47808","name":"setFactory(address)"},{"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":"0x84cd5521","name":"registerPool((address,address,uint24,int24,address),address,uint256,uint256)"},{"selector":"0x8da5cb5b","name":"owner()"},{"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":"0xb6a8b0fa","name":"beforeDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"},{"selector":"0xbae76b2d","name":"VOL_FULL_TICKS()"},{"selector":"0xc45a0155","name":null},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xcbaa1a47","name":"MIN_FEE_BPS()"},{"selector":"0xd55be8c6","name":"MAX_FEE_BPS()"},{"selector":"0xda926b87","name":"lastTick(bytes32)"},{"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":"0xf2fde38b","name":"transferOwnership(address)"},{"selector":"0xf77f7cf6","name":"lastTickDelta(bytes32)"}],"history":{"pools":4,"firstTime":1785947108,"lastTime":1785947782},"pools":[{"id":"0xa06f4e0603add5b41e6a946f6904134661419e95e24b7e50962ddf8209e15090","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0xcd747e8b5fcE2b0b2056bf5624743208fB89E789","fee":0,"tickSpacing":60,"hooks":"0xb0521e0a8c1f55aFcBcE959A1B8b1fB3190540cC"},"symbols":["ETH","unitest"],"state":{"sqrtP":"2505022461471314686289857916887105","tick":207239,"protocolFee":0,"lpFee":0,"liquidity":"22865284260756469303565"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"361588465814003","paid":"361588465814003","got":"344321909760537586707780","expected":"361294671814710002811984","feePpm":0,"takePpm":46978},{"zeroForOne":false,"ok":true,"amountIn":"993759052085852436387","paid":"993759052085852436387","got":"947347514627","expected":"994068745673","feePpm":0,"takePpm":47000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-2137591447692","-2346301898699936483277"],"removed":["2137591447691","2346301898699936483276"]}}],"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 4.70% 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":"Owned by 0x656746C1275622b93c798e8f4b9Be843eCC3Be33. Owner-style functions: setPoolFee, setFactory, transferOwnership."},{"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 75 days."}],"score":75,"verdict":"caution"}