Reading the hook.
The address, the bytecode, then a swap each way through its pool. A few seconds.
v4 hook · Robinhood Chain · block 93,296,606
0x0653…AACc
The eight checks
4 pools use this hook, the first one 35 d ago.
- 01caution
Permissions that touch your moneyThe address enables before remove liquidity, before swap returns delta, after swap returns delta. The hook is allowed to take; the next two checks measure whether it does.
- 02pass
What it takes from a swapA swap through it pays the pool fee and nothing else.
- 03n/a
LPs can get outClosed to outside LPs: only the hook's own liquidity is in the pool.
- 04pass
The fee is the feeA fixed fee of 1%, written in the pool key.
- 05caution
No one holds the switchOwned by 0x24964e94bFe3eB91EB79B2951dedeF14811fB3eE. Owner-style functions: setGame, setTaxRecipients, setMaxTickMove, setTaxSplit, setSnipeCurve, transferOwnership.
- 06pass
The code cannot changeNot a proxy, no DELEGATECALL, no SELFDESTRUCT.
- 07pass
Only the PoolManager can call itEach callback refused a call that did not come from the PoolManager.
- 08pass
Track record4 pools over 35 days.
Measured at block 93,296,606. A hook with an owner or a dynamic fee can behave differently later; scan again before a large trade.
What the address allows
A v4 hook's permissions are the last fourteen bits of its address. The PoolManager calls only what they switch on.
address & 0x3fff0x2acc · 10101011001100
- bit 13Before initialize
- bit 12After initialize
- bit 11Before add liquidity
- bit 10After add liquidity
- bit 9Before remove liquidity
- bit 8After remove liquidity
- bit 7Before swap
- bit 6After swap
- bit 5Before donate
What it did to a real swap
A small swap each way and a liquidity round trip, run through the PoolManager and this hook inside a call that is never sent. The pool fee is expected; anything else missing is the hook.
WETH / WATCH
fee 1%- Swap WETH → WATCHnothing taken
- Swap WATCH → WETHnothing taken
- Add, then remove liquiditydeposit refused: LiquidityLocked
pool 0x33425ba2af45863051292c9b20c1de205dc676ca4fb65737017f314578cf36d7
WETH / ZMBI
fee 1%- Swap WETH → ZMBInothing taken
- Swap ZMBI → WETHnothing taken
- Add, then remove liquiditydeposit refused: LiquidityLocked
pool 0x2462603a6bcfc7ecc8f7ad36b5359425418b096bdf055f522e906b46ad3aa9dc
Read from the bytecode
- Code size
- 7,611 bytes
- Owner
- 0x24964e94bFe3eB91EB79B2951dedeF14811fB3eE
- Proxy
- no
- DELEGATECALL
- absent
- SELFDESTRUCT
- absent
- Outside calls
- 5
- Callbacks open to anyone
- none
Its functions, uncensored
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.
- 0x02d05d3f creator
- 0x1983f599 taxSplit
- 0x217a4b70 quoteToken
- 0x21d0ee70 beforeRemoveLiquidity
- 0x249d39e9 BPS
- 0x259982e5 beforeAddLiquidity
bit 4
After donate
bit 3Before swap returns deltabit 2After swap returns deltabit 1After add returns deltabit 0After remove returns delta- Before initialize. Runs once, when a pool is created.
- Before add liquidity. Can refuse a deposit, or only let some addresses provide liquidity.
- Before remove liquidity. Can refuse a withdrawal. LPs may not get out.
- Before swap. Runs before every swap. On a dynamic-fee pool it can set the fee each time.
- After swap. Runs after every swap.
- Before swap returns delta. Can take part of what you put into a swap, or change how much is swapped.
- After swap returns delta. Can take part of what you get out of every swap.
0x272d7d61
setGame
0x32958410 setTaxRecipients0x468ad05f setMaxTickMove0x55855430 nightOracle0x573f9738 setTaxSplit0x575e24b4 beforeSwap0x65b349b9 snipeStartBps0x6c2bbe7e afterRemoveLiquidity0x6fe7e6eb afterInitialize0x79ba5097 acceptOwnership0x7bf2745b snipeWindowSecs0x803db96d protocolTreasury0x891b7ec6 GAME_LP_FEE0x8da5cb5b owner0x9f063efc afterAddLiquidity0xa6645ee6 currentSnipeTaxBps0xb47b2fb1 afterSwap0xb6a8b0fa beforeDonate0xbf24bff1 setSnipeCurve0xc4e833ce getHookPermissions0xca431e71 maxTickMove0xdc4c90d3 poolManager0xdc98354e beforeInitialize0xe1b4af69 afterDonate0xe30c3978 pendingOwner0xf0586e5b stockBooster0xf2fde38b transferOwnership0xfbfa77cf vault