ETH / TRENCHIT
fee 0%- Swap ETH → TRENCHIThook takes 1.00%
- Swap TRENCHIT → ETHno liquidity above the price
- Add, then remove liquiditycame back whole
pool 0xd1299bfbcca1e72d738d98d13d2f4fe5df502745ab569b3f0ba3f2f1961efd4d
Reading the hook.
The address, the bytecode, then a swap each way through its pool. A few seconds.
4 pools use this hook, the first one 45 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.
It takes 1.00% on top of the pool fee.
Liquidity added and removed in the same block came back whole.
A fixed fee of 0%, written in the pool key.
Owned by 0x8DaB53f8d899B61Bcb0C6337b7A4D0F54FaBa692. Owner-style functions: withdrawAll, setFee, setSnipeTax, transferOwnership, withdraw.
Not a proxy, no DELEGATECALL, no SELFDESTRUCT.
Each callback refused a call that did not come from the PoolManager.
4 pools over 44 days.
Measured at block 93,268,339. 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 0xd1299bfbcca1e72d738d98d13d2f4fe5df502745ab569b3f0ba3f2f1961efd4d
pool 0x21411f3b65137025ba224c862e539f0b2d9b75109dadb68595eb0d397b61b96a
Selectors found in the dispatcher, named from the public signature database. Red ones are what an owner usually keeps for itself.