UniHooks

GweiFeeHook

EthereumRegistered

The shared Uniswap v4 hook for the gwei.fun token launchpad. On every swap it takes a fee in beforeSwap via BeforeSwapDelta — composed of a platform fee plus a per-pool creator tax with an optional linearly-decaying anti-snipe rate — and splits the proceeds between the pool creator and a protocol buyback vault, accumulating them as ERC-6909 claims redeemable lazily.

0x15f89bf2a280ab970377c8be070d1fafd6db2088 First pool 10 Sept 2026View on explorer
ALooks safeRegistered, verified, immutable
Pools
15
Dynamic-fee pools
0
Last new pool
56d
Code size
12,948 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.

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 0xc3d9…a53e. 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: GweiFeeHook).
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

15 total
PairCreatedFeePool ID
ETH / taxtest 56d 0.00% 0x9dc3…cd78 Tx ↗
ETH / GWEPE 56d 0.00% 0x5749…f10a Tx ↗
open / USDC 56d 0.00% 0x5be6…34a7 Tx ↗
ETH / limit 56d 0.00% 0x2e6d…cf7b Tx ↗
ETH / gate 56d 0.00% 0x889d…b0f1 Tx ↗
usdt / USDC 56d 0.00% 0x5194…889e Tx ↗
ETH / burn 56d 0.00% 0x0d5b…6746 Tx ↗
ETH / vest 56d 0.00% 0xf007…7f40 Tx ↗
ETH / taxtest 56d 0.00% 0x933a…aac6 Tx ↗
ETH / lpbpstest 56d 0.00% 0xa468…52e1 Tx ↗
ETH / maxtxtest 56d 0.00% 0x7132…4edd Tx ↗
ETH / regtest 56d 0.00% 0x4782…f9af Tx ↗
ETH / test 56d 0.00% 0x439c…54b6 Tx ↗
ETH / test 56d 0.00% 0x92b1…9bb8 Tx ↗
ETH / GWEI 56d 0.00% 0xd437…b3ff Tx ↗