ETH / FJACK
fee 0%- Swap ETH → FJACKno liquidity at the current price
- Swap FJACK → ETHno liquidity at the current price
- Add, then remove liquiditycame back whole
pool 0x14a13cf80944cc6a592376fdab8d6346d80c6bd1cc5e0de820980c107368c554
Reading the hook.
The address, the bytecode, then a swap each way through its pool. A few seconds.
14 pools use this hook, the first one 92 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 setPlatformWallet, setRebate.
Not a proxy, no DELEGATECALL, no SELFDESTRUCT.
Each callback refused a call that did not come from the PoolManager.
14 pools over 92 days.
Measured at block 93,032,689. 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 0x14a13cf80944cc6a592376fdab8d6346d80c6bd1cc5e0de820980c107368c554
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.