ETH / COGITO
fee dynamic, now 0%- Swap ETH → COGITOhook takes 1.00%
- Swap COGITO → ETHhook takes 1.00%
- Add, then remove liquiditycame back whole
pool 0x12bc3ec57bb6b7714f503708c6c703a9cb7bc8437dc8d9671129b7cc9c1c5b17
Reading the hook.
The address, the bytecode, then a swap each way through its pool. A few seconds.
9 pools use this hook, the first one 94 d ago.
None of the permissions that let a hook take from swaps or from LPs are switched on.
It takes 1% on top of the pool fee.
Liquidity added and removed in the same block came back whole.
Its pools use a dynamic fee that the hook sets before every swap. It stands at 0% now and can change.
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.
9 pools over 94 days.
Measured at block 93,118,408. 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 0x12bc3ec57bb6b7714f503708c6c703a9cb7bc8437dc8d9671129b7cc9c1c5b17
pool 0x6b6d69aa87c08c12fc63c87a160a75ea5157dfb257c715b17ffac09b5b2d7900
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.