{"address":"0xf38bf268475621f9b5c79c0b47008257b79f40cc","chain":"robinhood","chainName":"Robinhood Chain","chains":["robinhood"],"name":"PackrFeeHook","listed":true,"description":"A volatility-based ETH fee hook for Uniswap v4 pools, charging fees between 1% and 5.12% based on the previous swap's tick movement. Buy fees are deducted from ETH input in beforeSwap; sell fees from ETH output in afterSwap. Only exact-input swaps are supported — exact-output swaps revert.","deployer":null,"creationTx":null,"codeBytes":5780,"implementation":null,"verified":true,"audit":null,"upgradeable":false,"swapAccess":"other","dynamicFee":false,"customData":false,"flags":["beforeSwap","afterSwap","beforeSwapReturnsDelta","afterSwapReturnsDelta"],"flagBits":204,"lines":[{"key":"access","level":"red","text":"Can block swaps","detail":"Swaps are gated (other): only some addresses, or only at some times, can trade through it."},{"key":"afterSwapReturnsDelta","level":"red","text":"Can take a fee from your output","detail":"After the pool fills your swap, the hook can keep part of what you were about to receive."},{"key":"beforeSwapReturnsDelta","level":"red","text":"Can change the price you get","detail":"Before your swap runs, the hook can take or add tokens, so the amount you get is set by its code as well as the pool."},{"key":"beforeSwap","level":"amber","text":"Runs code before your swap and can block it","detail":"The hook is called before every swap. It can revert, which makes your swap fail."},{"key":"afterSwap","level":"amber","text":"Runs code after your swap and can block it","detail":"The hook is called after every swap. It can revert, which undoes your swap."}],"score":60,"scoreItems":[{"label":"Can change swap amounts","points":-25},{"label":"Swap access is gated","points":-15}],"pools":2,"activePools":0,"swaps24":0,"swaps7":0,"volume24Usd":0,"volume7Usd":0,"firstSeenBlock":33644590,"firstSeen":1786449451,"ageDays":76.14118055555555,"poolList":[{"id":"0xd414149ab1f918b1320432a05e2185c62a13a5804cfd8f695a6661ac1e874714","t0":{"a":"0x0000000000000000000000000000000000000000","s":"ETH","d":18,"usd":2331.971314},"t1":{"a":"0x35b04b5d163bd9528c9ed219f051b7def78d0b30","s":"?","d":18,"usd":null},"fee":0,"ts":60,"b":33649427,"t":1786449934,"s7":0,"s24":0,"v7":0,"u":0},{"id":"0xd84a4ddf86eb2fee36cc4df994eeed6be27e346030f10a1005b399ee809e3baf","t0":{"a":"0x0000000000000000000000000000000000000000","s":"ETH","d":18,"usd":2331.971314},"t1":{"a":"0xebc88df169af6e2adee2c26594464698ba272614","s":"?","d":18,"usd":null},"fee":0,"ts":60,"b":33644590,"t":1786449451,"s7":0,"s24":0,"v7":0,"u":0}],"daily":null,"days":7,"probe":null,"snapshot":{"block":98513114,"ts":1793028049}}