ETH / Xstok
fee 0%- Swap ETH → Xstokno liquidity at the current price
- Swap Xstok → ETHno liquidity at the current price
- Add, then remove liquiditycame back whole
pool 0x0a3de05d35702806937e9ba31a8ce49b78bb30b36b4b034f208b7e6ec64eec81
Reading the hook.
The address, the bytecode, then a swap each way through its pool. A few seconds.
8 pools use this hook, the first one 23 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.
No pool with liquidity to swap through yet.
Liquidity added and removed in the same block came back whole.
A fixed fee of 0%, written in the pool key.
No owner() but it has withdraw, withdrawMany.
Not a proxy, no DELEGATECALL, no SELFDESTRUCT.
Each callback refused a call that did not come from the PoolManager.
8 pools over 22 days.
Measured at block 93,113,851. 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 0x0a3de05d35702806937e9ba31a8ce49b78bb30b36b4b034f208b7e6ec64eec81
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.