{"hook":"0x2C1867e4664ceD92eCc5119dA121061D2f6d60CC","block":93493924,"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":8466,"selectors":["0xcda2f9e0","0xd264e05e","0xdc4c90d3","0xdc98354e","0xe1b4af69","0xfb3af90c","0xabc4937c","0xb47b2fb1","0xb6a8b0fa","0xbbdfbfba","0xc5a28890","0xcc3e2799","0x6fe7e6eb","0x75781983","0x7ab02806","0x91dd7346","0x9f063efc","0xa285aed7","0x05fe3975","0x21d0ee70","0x259982e5","0x575e24b4","0x6c2bbe7e"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":5,"addresses":["0xFFFD8963efd1FC6a506488495d951D5163961682"]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0xcda2f9e0","name":"ethInsideOf(bytes32)"},{"selector":"0xd264e05e","name":"forward()"},{"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":"0xfb3af90c","name":"ledgerOf(bytes32)"},{"selector":"0xabc4937c","name":"postOffice()"},{"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":"0xbbdfbfba","name":"delivered()"},{"selector":"0xc5a28890","name":"postageOutOf(uint256)"},{"selector":"0xcc3e2799","name":"postageOnTopOf(uint256)"},{"selector":"0x6fe7e6eb","name":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)"},{"selector":"0x75781983","name":"POSTAGE_BPS()"},{"selector":"0x7ab02806","name":"mailroom()"},{"selector":"0x91dd7346","name":"unlockCallback(bytes)"},{"selector":"0x9f063efc","name":"afterAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0xa285aed7","name":"held()"},{"selector":"0x05fe3975","name":"SQRT_FIRST()"},{"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":"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)"}],"history":{"pools":3,"firstTime":1791829314,"lastTime":1791906572},"pools":[{"id":"0x0b0cc600f2294d4da9698a9f0580925f774ae52f8b9652210a896bd1048cddda","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x9cD59e39c75c0DcE548ddE9f933EB4ea674Cfb51","fee":0,"tickSpacing":10,"hooks":"0x2C1867e4664ceD92eCc5119dA121061D2f6d60CC"},"symbols":["ETH","STAMP"],"state":{"sqrtP":"1878207000328046599885340241487645","tick":201479,"protocolFee":0,"lpFee":0,"liquidity":"37260294686877815895094"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"196507570837432","paid":"196507570837432","got":"107219441193421754612992","expected":"110421269303606149839937","feePpm":0,"takePpm":28997},{"zeroForOne":false,"ok":false,"why":"thin","reason":"no liquidity above the price"}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-4644983203179","-2653276154333214074664"],"removed":["4644983203178","2653276154333214074663"]}},{"id":"0xdb54e3dba0ef6c4901b583e11264f597db1eda38377d7c317b6d87861accdfdf","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0x4F45655cbC98c0BF8fCFeb9b45352B7903B9dD1e","fee":0,"tickSpacing":10,"hooks":"0x2C1867e4664ceD92eCc5119dA121061D2f6d60CC"},"symbols":["ETH","SPAD"],"state":{"sqrtP":"1878172404257334252420166427130422","tick":201479,"protocolFee":0,"lpFee":0,"liquidity":"37260294686877815895094"},"swaps":[{"zeroForOne":true,"ok":true,"amountIn":"189269651417776","paid":"189269651417776","got":"103266909024747573602514","expected":"106350719308157470907442","feePpm":0,"takePpm":28997},{"zeroForOne":false,"ok":true,"amountIn":"4067555245524437307863","paid":"4067555245524437307863","got":"7028116425223","expected":"7238018975512","feePpm":0,"takePpm":29000}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-4647878370946","-2651649132137012003799"],"removed":["4647878370945","2651649132137012003798"]}}],"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 2.90% 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":"pass","detail":"No owner and no admin functions found."},{"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 7 days."}],"score":83,"verdict":"caution"}