UniHooks

PercentProfitHarvestOnZeroHook

EthereumRegistered

A Uniswap v4 hook that overrides the LP fee dynamically per swap direction (configurable for zeroForOne, zero for oneForZero) and charges an owner-configurable hook swap fee (up to 0.01%) taken from the output token after each swap. Accrued fees are held by the hook contract and claimable by the owner.

0xfa5edc077dcadccd388e89fdc5a99aec8b69e0c4 First pool 25 Dec 2025View on explorer
ALooks safeRegistered, verified, immutable
Pools
2
Dynamic-fee pools
2
Last new pool
10mo
Code size
9,679 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.
!Has an adminowner() is 0x4e59…956c. 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: PercentProfitHarvestOnZeroHook).
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
ETH / USDC 10mo dynamic 0xe80e…530f Tx ↗
USDC / WETH 10mo dynamic 0x250c…e320 Tx ↗