ETH / PFOF
fee 0%- Swap ETH → PFOFhook takes 1.00%
- Swap PFOF → ETHno liquidity above the price
- Add, then remove liquiditycame back whole
pool 0x210079f9675db2979d99ccd6b3b991798732b3b547ccde7760b676ca898f45a5
Reading the hook.
The address, the bytecode, then a swap each way through its pool. A few seconds.
3 pools use this hook, the first one 43 d ago.
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.
It takes 1.00% on top of the pool fee.
Liquidity added and removed in the same block came back whole.
A fixed fee of 0%, written in the pool key.
Owned by 0x9D754715428ABC7A404D6A4d4D112F9Adb78b897. Owner-style functions: setFlatRate, setPeakRate, transferOwnership.
Not a proxy, no DELEGATECALL, no SELFDESTRUCT.
Each callback refused a call that did not come from the PoolManager.
3 pools over 42 days.
Measured at block 93,393,917. A hook with an owner or a dynamic fee can behave differently later; scan again before a large trade.
A v4 hook's permissions are the last fourteen bits of its address. The PoolManager calls only what they switch on.
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.
pool 0x210079f9675db2979d99ccd6b3b991798732b3b547ccde7760b676ca898f45a5
pool 0x17abb431ac4f8bd66b5c3915b469cc56b1fb50e65da65718d2f55306aaff8a9e
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.