HookFeeHook

EthereumRegistered

A volume-adaptive dynamic LP fee hook that sets the pool fee using a rolling window of quote-token volume (ramping linearly from a base to max fee), and separately charges a configurable hook fee on the quote leg of qualifying swaps, splitting it between immutable treasury and project recipients via a pull-claim pattern.

0xa4b9010c06866a70d6f34705c647c08e951220c4 First pool 10 Aug 2026View on explorer

ALooks safeRegistered, verified, immutable

Pools

Dynamic-fee pools

Last new pool

2mo

Code size

5,696 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.

Sets its own swap fee

Pools using it let the hook choose the swap fee instead of a fixed tier.

Runs at pool creation

It runs when a pool is created, often to lock in that pool’s settings.

Safety report

Automated checks, not an audit

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

✓No owner foundNo owner() function: nobody has an admin switch (as far as the standard check goes).

✓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: HookFeeHook).

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

?No audit linkedAutomated checks only.

Pools using this hook

1 total

PairCreatedFeePool ID

ETH / HOOK 2mo dynamic 0xb833…65ad Tx ↗