UniHooks

UniV4Hook

BaseRegisteredLaunch a pool with this hook

Sets a dynamic LP fee (2% initially) on pool initialization via afterInitialize, and allows the owner to update the fee at any time via forceUpdateLPFee. Has no swap hooks; fee changes take effect on subsequent swaps through the pool manager's dynamic fee mechanism.

0x785319f8fce23cd733de94fd7f34b74a5caa1000 First pool 2 Nov 2025View on explorer
ALooks safeRegistered, verified, immutable
Pools
4
Dynamic-fee pools
4
Last new pool
9mo
Code size
2,479 B

What it can do

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.
✓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 (contract: UniV4Hook).
?No audit linkedAutomated checks only.

Pools using this hook

4 total
PairCreatedFeePool ID
R0xBTC / 0xBTC 9mo dynamic 0xa12d…a9ea Tx ↗
ETH / B0x 12mo dynamic 0x6d76…b194 Tx ↗
ETH / 0xBTC 12mo dynamic 0x43f1…3ec8 Tx ↗
B0x / 0xBTC 12mo dynamic 0xa2da…4bea Tx ↗