{"hook":"0xB85aA5549848e2805F9c1c30d86f59c9F32F8044","block":92981912,"bits":68,"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":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":4495,"selectors":["0x21d0ee70","0x259982e5","0x3daa98d4","0x575e24b4","0x5bb47808","0x6c2bbe7e","0x6fe7e6eb","0x8aa94be2","0x9f063efc","0xb47b2fb1","0xb6a8b0fa","0xc45a0155","0xc4e833ce","0xd5f39488","0xdc4c90d3","0xdc98354e"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":3,"addresses":[]},"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":"0x3daa98d4","name":null},{"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":"0x8aa94be2","name":null},{"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":"0xc45a0155","name":null},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xd5f39488","name":"deployer()"},{"selector":"0xdc4c90d3","name":"poolManager()"},{"selector":"0xdc98354e","name":"beforeInitialize(address,(address,address,uint24,int24,address),uint160)"}],"history":{"pools":31,"firstTime":1789078467,"lastTime":1789328462},"pools":[{"id":"0xb1a466f2087e8ade3d786205a9ef32213ef706b12b2565a524cbd6c867f80269","key":{"currency0":"0x35F46DfBcC064BE488aebC96a430F0587af10bCF","currency1":"0x77E655E37F4d913fB9540e0d541D824171a60e81","fee":0,"tickSpacing":60,"hooks":"0xB85aA5549848e2805F9c1c30d86f59c9F32F8044"},"symbols":["HOOD","SIMO"],"state":{"sqrtP":"13323396471090232492833728","tick":-173820,"protocolFee":0,"lpFee":0,"liquidity":"154711713163815376724948"},"swaps":[{"zeroForOne":true,"ok":false,"why":"thin","reason":"no liquidity below the price"},{"zeroForOne":false,"ok":true,"amountIn":"13008540320697110","paid":"13008540320697110","got":"455172413793103415497388","expected":"459770114942528702522614","feePpm":0,"takePpm":10000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-2986305655125311852149","-76888306723852"],"removed":["2986305655125311852148","76888306723851"]}},{"id":"0x4c18a86a330c4632a26b223188069647a71a562950e078c75309cf03c96d09fb","key":{"currency0":"0x9575C94D868fd65bcE39A889c6E248D26acC0673","currency1":"0xad25Ac6C84D497db898fa1E8387bf6Af3532a1c4","fee":0,"tickSpacing":60,"hooks":"0xB85aA5549848e2805F9c1c30d86f59c9F32F8044"},"symbols":["奥兹","BABA"],"state":{"sqrtP":"20832187663699818749370088","tick":-164880,"protocolFee":0,"lpFee":0,"liquidity":"241904040714729845557423"},"swaps":[{"zeroForOne":true,"ok":false,"why":"thin","reason":"no liquidity below the price"},{"zeroForOne":false,"ok":true,"amountIn":"31803024409844388","paid":"31803024409844388","got":"445977011494252866793820","expected":"459770114942528728653422","feePpm":0,"takePpm":30000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-2986305655125311852153","-187975025274720"],"removed":["2986305655125311852152","187975025274719"]}}],"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":"caution","detail":"It takes 3% 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 setFactory."},{"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":"31 pools over 39 days."}],"score":75,"verdict":"caution"}