BANANAFU / WETH
fee 0.30%- Swap BANANAFU → WETHnothing taken
- Swap WETH → BANANAFUnothing taken
- Add, then remove liquiditycame back whole
pool 0x0bec0af72d3c87e4c39c424cce6c075d97cc5456818922b53d23bbe33fa3e108
Reading the hook.
The address, the bytecode, then a swap each way through its pool. A few seconds.
38 pools use this hook, the first one 44 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 0.30%, written in the pool key.
No owner() but it has ChangedUserData, settleAdapter.
Not a proxy, no DELEGATECALL, no SELFDESTRUCT.
Each callback refused a call that did not come from the PoolManager.
38 pools over 43 days.
Measured at block 92,923,266. 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 0x0bec0af72d3c87e4c39c424cce6c075d97cc5456818922b53d23bbe33fa3e108
pool 0xa17d45d2a6d6fb9267babea88b0e0508cc4539b2434b1ff7353c8fdef0b464b4
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.