DirectionalFeeHook

RobinhoodRegistered

A Uniswap v4 hook that collects a configurable, per-pool, per-direction fee from the unspecified side of each swap and forwards it to a designated vault. Fees are capped at 5% (500 bps) and rate changes are subject to a 5-minute timelock delay.

0x1271f11f455381c73f64fb166acf2a960ed6c044 First pool 3 Sept 2026View on explorer

ALooks safeRegistered, verified, immutable

Pools

Dynamic-fee pools

Last new pool

2mo

Code size

6,374 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.

✓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.

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

2 total

PairCreatedFeePool ID

HMM / mHMM2 2mo 0.30% 0xed16…6ee3 Tx ↗

mHMM / HMM 2mo 0.30% 0x807d…f197 Tx ↗