{"hook":"0xa4871e371e2b7bE252F9f5C9060ffd27b94460cC","block":93115434,"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":13674,"selectors":["0xe040b4a5","0xe1b4af69","0xf9dcaaf3","0xdc98354e","0xdebfa293","0xc4e833ce","0xd666ce57","0xdc4c90d3","0xb6a8b0fa","0xbe378228","0xa515fef3","0xb47b2fb1","0xb621e75a","0x9ba64043","0x9f063efc","0x91dd7346","0x93aadf23","0x9b58e0a1","0x87448c5e","0x88fed78f","0x724933b3","0x7d36c30c","0x803db96d","0x6c2bbe7e","0x6fe7e6eb","0x575e24b4","0x5fd07da5","0x69ce6d47","0x46ca626b","0x4e22fe55","0x259982e5","0x2f07c68d","0x44dba961","0x21d0ee70","0x249d39e9","0x0885f732","0x0c835366","0x16eebd1e"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":8,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0xe040b4a5","name":"cocoonFeesAccrued()"},{"selector":"0xe1b4af69","name":"afterDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"},{"selector":"0xf9dcaaf3","name":"poolStats(bytes32)"},{"selector":"0xdc98354e","name":"beforeInitialize(address,(address,address,uint24,int24,address),uint160)"},{"selector":"0xdebfa293","name":"MAX_TOTAL_SWAP_FEE_BPS()"},{"selector":"0xc4e833ce","name":"getHookPermissions()"},{"selector":"0xd666ce57","name":"sweepAbandoned(bytes32)"},{"selector":"0xdc4c90d3","name":"poolManager()"},{"selector":"0xb6a8b0fa","name":"beforeDonate(address,(address,address,uint24,int24,address),uint256,uint256,bytes)"},{"selector":"0xbe378228","name":"PROTOCOL_FEE_BPS()"},{"selector":"0xa515fef3","name":"creatorFeesAccrued(bytes32)"},{"selector":"0xb47b2fb1","name":"afterSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),int256,bytes)"},{"selector":"0xb621e75a","name":"protocolFeesAccrued()"},{"selector":"0x9ba64043","name":"LP_FEE_PIPS()"},{"selector":"0x9f063efc","name":"afterAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),int256,int256,bytes)"},{"selector":"0x91dd7346","name":"unlockCallback(bytes)"},{"selector":"0x93aadf23","name":"currentFeeBps(bytes32,bool)"},{"selector":"0x9b58e0a1","name":"claimable(bytes32)"},{"selector":"0x87448c5e","name":"quoteFees(bytes32,bool,bool,uint256)"},{"selector":"0x88fed78f","name":"MIN_TOTAL_SWAP_FEE_BPS()"},{"selector":"0x724933b3","name":"cocoonRecipient()"},{"selector":"0x7d36c30c","name":"totalQuoteFeesAccrued()"},{"selector":"0x803db96d","name":"protocolTreasury()"},{"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":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x5fd07da5","name":"registerPool((address,address,uint24,int24,address),address,uint16,uint16)"},{"selector":"0x69ce6d47","name":"claimProtocolFees(address)"},{"selector":"0x46ca626b","name":"TICK_SPACING()"},{"selector":"0x4e22fe55","name":"claimCreatorFees(bytes32,address)"},{"selector":"0x259982e5","name":"beforeAddLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)"},{"selector":"0x2f07c68d","name":"seenTrader(bytes32,address)"},{"selector":"0x44dba961","name":"ABANDONMENT_PERIOD()"},{"selector":"0x21d0ee70","name":"beforeRemoveLiquidity(address,(address,address,uint24,int24,address),(int24,int24,int256,bytes32),bytes)"},{"selector":"0x249d39e9","name":"BPS()"},{"selector":"0x0885f732","name":"poolConfig(bytes32)"},{"selector":"0x0c835366","name":"TOTAL_SWAP_FEE_STEP_BPS()"},{"selector":"0x16eebd1e","name":"launcher()"}],"history":{"pools":9,"firstTime":1786295392,"lastTime":1787000873},"pools":[{"id":"0x363f211ac6995b1f336d890adb0966f5646b3211edbacda647468596b3bf327a","key":{"currency0":"0x0000000000000000000000000000000000000000","currency1":"0xf3020adFE90d8Ce13bfcE6a7E196E93F9f68e5e1","fee":0,"tickSpacing":200,"hooks":"0xa4871e371e2b7bE252F9f5C9060ffd27b94460cC"},"symbols":["ETH","GRYC"],"state":{"sqrtP":"2151813121295408910812139624586144","tick":204200,"protocolFee":0,"lpFee":0,"liquidity":"0"},"swaps":[{"zeroForOne":true,"ok":false,"why":"thin","reason":"no liquidity at the current price"},{"zeroForOne":false,"ok":false,"why":"thin","reason":"no liquidity at the current price"}],"roundTrip":{"ok":true,"lossPpm":1,"added":["-1443634","-802650908028620"],"removed":["1443633","802650908028619"]}}],"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":"n/a","detail":"No pool with liquidity to swap through yet."},{"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 sweepAbandoned, claimable, claimProtocolFees, claimCreatorFees."},{"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":"9 pools over 71 days."}],"score":83,"verdict":"caution"}