ETH / TEST
fee 0%- Swap ETH → TESThook takes 3%
- Swap TEST → ETHhook takes 3%
- Add, then remove liquiditycame back whole
pool 0x5cf1e971cef12fc55887f831e5f8b91e3f4fdec95e49d0121b91e27d48b9cc34
Reading the hook.
The address, the bytecode, then a swap each way through its pool. A few seconds.
7 pools use this hook, the first one 29 d ago.
The address enables after swap returns delta. The hook is allowed to take; the next two checks measure whether it does.
It takes 3% of each swap 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.
No owner and no admin functions found.
Not a proxy, no DELEGATECALL, no SELFDESTRUCT.
Each callback refused a call that did not come from the PoolManager.
7 pools over 28 days.
Measured at block 93,145,029. 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 0x5cf1e971cef12fc55887f831e5f8b91e3f4fdec95e49d0121b91e27d48b9cc34
pool 0xe176a788429eea31c7dcd408fe07dc0ff8b70c4f8b739e240ebe827c80f5fa1b
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.