USDG / META
fee 0.05%- Swap USDG → METAnothing taken
- Swap META → USDGnothing taken
- Add, then remove liquiditycame back whole
pool 0x6c34266fdef9d50e49abf84926022e0a688332754bd96a8c74b60798ef8c3bb0
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 27 d ago.
None of the permissions that let a hook take from swaps or from LPs are switched on.
A swap through it pays the pool fee and nothing else.
Liquidity added and removed in the same block came back whole.
A fixed fee of 0.05%, written in the pool key.
No owner() but it has withdraw.
Not a proxy, no DELEGATECALL, no SELFDESTRUCT.
Each callback refused a call that did not come from the PoolManager.
9 pools over 26 days.
Measured at block 93,118,281. 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 0x6c34266fdef9d50e49abf84926022e0a688332754bd96a8c74b60798ef8c3bb0
pool 0x9a0b5197046f398d2317ceaa1247bfad163017f31d64658e2413d4d57f0bac8f
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.