ProbeFeeHook

EthereumRegistered

Charges a 1% (100 bps) fee on the native token side of ASSET/NATIVE pool swaps by taking deltas in beforeSwap (buy direction) and afterSwap (sell direction), accumulating revenue in the contract for the owner to flush to a configurable treasury address. Only supports exact-input swaps on pools pairing a fixed ASSET with native ETH.

0xb331eaf86215c0a5d4adddfdab7405055ec7c0cc First pool 6 Aug 2026View on explorer

ALooks safeRegistered, verified, immutable

Pools

Dynamic-fee pools

Last new pool

3mo

Code size

4,570 B

What it can do

Runs code on every swap

Its code executes inside each trade in pools that use it.

Can take tokens from swaps

It can take or add tokens during a swap. Fees, burns and custom curves work this way, and so do scams.

Safety report

Automated checks, not an audit

✓Not upgradeableNo proxy pattern found: the code is fixed.

!Has an adminowner() is 0xf78f…87c4. That account can usually change fees, limits or allowlists after you trade.

✓Listed in Uniswap’s hook registryRegistered with Uniswap Labs (a listing, not a security review).

✓Source code publishedThe code on the block explorer matches what's deployed (contract: ProbeFeeHook).

iCan change swap amountsIt has a ReturnDelta permission. Normal for fees and burns, but also how fake-quote hooks steal.

iRestricted swapsSwap access: other. Not everyone can trade every pool.

?No audit linkedAutomated checks only.

Pools using this hook

1 total

PairCreatedFeePool ID

ETH / PROBE 3mo 0.30% 0x1689…79ed Tx ↗