{"hook":"0x7566a3BFbE88C06BC5F33FEA927f461e8279d0C4","block":93003691,"bits":4292,"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":true},{"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":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":2516,"selectors":["0x119f2274","0x24dccf02","0x36f5e3fe","0x3d18651e","0x441138eb","0x575e24b4","0x6fe7e6eb","0x76c7a3c7","0xb47b2fb1","0xbc063e1a","0xdc4c90d3","0xf6cbe15f"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":1,"addresses":["0xF1E958db7D1e4C074377946018Ad645db4FB158e"]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x119f2274","name":"AEON_FEE_BPS()"},{"selector":"0x24dccf02","name":"AEON_FEE_RECIPIENT()"},{"selector":"0x36f5e3fe","name":"tickAtSwapStart(bytes32)"},{"selector":"0x3d18651e","name":"BASE_FEE()"},{"selector":"0x441138eb","name":"FEE_PER_TICK()"},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"},{"selector":"0x6fe7e6eb","name":"afterInitialize(address,(address,address,uint24,int24,address),uint160,int24)"},{"selector":"0x76c7a3c7","name":"MIN_FEE()"},{"selector":"0xb47b2fb1","name":"afterSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),int256,bytes)"},{"selector":"0xbc063e1a","name":"MAX_FEE()"},{"selector":"0xdc4c90d3","name":"poolManager()"},{"selector":"0xf6cbe15f","name":"lastMove(bytes32)"}],"history":{"pools":53,"firstTime":1787274385,"lastTime":1792213009},"pools":[{"id":"0xb835b41cf1238d3b3e92b4014f62765c452178c8ab7fea3c426abc2768993806","key":{"currency0":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","currency1":"0xb2d1Fa50508550B3488C0e9860d1f08937a29145","fee":25000,"tickSpacing":250,"hooks":"0x7566a3BFbE88C06BC5F33FEA927f461e8279d0C4"},"symbols":["USDG","EMPIREX"],"state":{"sqrtP":"3292472729348168156218489294407735187","tick":350869,"protocolFee":0,"lpFee":25000,"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":965,"added":["-1037","-1766893009910858727"],"removed":["1036","1766893009910858726"]}}],"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":"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":"caution","detail":"A fixed fee, but a high one: 2.50%."},{"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":"53 pools over 59 days."}],"score":90,"verdict":"caution"}