{"hook":"0xb9F1eDc3450C235E5eC8B93c53B46046cF490080","block":93299287,"bits":128,"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":false},{"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":false},{"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":640,"selectors":["0x2b14ca56","0x47062402","0x575e24b4"],"delegatecall":false,"selfdestruct":false,"create":false,"calls":0,"addresses":[]},"proxy":{"implementation":null,"admin":null,"beacon":null,"clone":false},"owner":null,"functions":[{"selector":"0x2b14ca56","name":"sellFee()"},{"selector":"0x47062402","name":"buyFee()"},{"selector":"0x575e24b4","name":"beforeSwap(address,(address,address,uint24,int24,address),(bool,int256,uint160),bytes)"}],"history":{"pools":4,"firstTime":1788595100,"lastTime":1788606126},"pools":[{"id":"0x0ac6479a9fcdd2487ef42cfa647ba2fd071cdc9e901dd635b5d704b4d4da3b70","key":{"currency0":"0x0a2A0a7BD1c4cF48f25729C5CF2F573772Af0e94","currency1":"0x4a0E65A3EcceC6dBe60AE065F2e7bb85Fae35eEa","fee":8388608,"tickSpacing":60,"hooks":"0xb9F1eDc3450C235E5eC8B93c53B46046cF490080"},"symbols":["TNB","SPCX"],"state":{"sqrtP":"56062097107938988156484198","tick":-145080,"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":["-45859036778410","-20918791"],"removed":["45859036778409","20918790"]}}],"openCallbacks":[],"checks":[{"id":"01","title":"Permissions that touch your money","status":"pass","detail":"None of the permissions that let a hook take from swaps or from LPs are switched on."},{"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":"Its pools use a dynamic fee that the hook sets before every swap. It stands at 0% now and can change."},{"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":"4 pools over 45 days."}],"score":97,"verdict":"caution"}