SwapFeeHook

ArbitrumRegistered

Collects a configurable percentage fee from the output token of each swap using the afterSwapReturnsDelta mechanism. Fees are direction-dependent (separate rates for zeroToOne and oneToZero swaps), set by the owner, and sent to an owner-controlled fee collector address.

0xcecf80d7497a26bf1128c2f9f2efc8c41a6cc044 First pool 18 Feb 2025View on explorer

ALooks safeRegistered, verified, immutable

Pools

Dynamic-fee pools

Last new pool

20mo

Code size

2,685 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 0x8598…5a78. 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: SwapFeeHook).

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

M-USDT / M-BIC 20mo 0.30% 0x1220…60c1 Tx ↗