UniHooks

BackGeoOracle

BaseRegistered

A TWAP oracle hook that performs partial backruns after price-impacting swaps: when a swap moves the tick beyond a threshold, the hook executes an inverse swap via poolManager.swap() and credits the surplus to the original sender as ERC6909 tokens. Only exactIn swaps are supported; routers must implement IMsgSender() to identify the recipient for backrun proceeds.

0x59f39091fd6f47e9d0bcb466f74e305f1709bac4 First pool 13 May 2025View on explorer
ALooks safeRegistered, verified, immutable
Pools
3
Dynamic-fee pools
0
Last new pool
17mo
Code size
11,497 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.

Can block LP withdrawals

It runs before liquidity is removed, so it can delay or refuse LP exits.

Gates who can add liquidity

It checks every deposit before it goes in.

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.
✓Listed in Uniswap’s hook registryRegistered with Uniswap Labs (a listing, not a security review).
✓Source code verifiedPublished source matches the deployed code.
iCan change swap amountsIt has a ReturnDelta permission. Normal for fees and burns, but also how fake-quote hooks steal.
iRestricted swapsSwap access: other. Not everyone can trade every pool.
✓Audit publishedRead the audit

Pools using this hook

3 total
PairCreatedFeePool ID
ETH / 0x8335…2913 17mo 0.00% 0xf1ff…da24 Tx ↗
ETH / 0x2ae3…ec22 18mo 0.00% 0x8ba6…e555 Tx ↗
ETH / 0x0918…7d60 18mo 0.00% 0xbff8…b7bd Tx ↗