FaunaHook

EthereumRegistered

UUPS-upgradeable hook for the FAUNA NFT pool that notifies a renderer contract after each swap to trigger butterfly reveal mechanics. No access control on swaps; only afterSwap is active and solely performs an external notification call.

0x4f398427a1143760e3e47d79cdaf8e9311824040 First pool 6 May 2026View on explorer

CBe carefulRegistry marks it upgradeable · Upgradeable proxy: the owner can swap its code

2 identical copies

Pools

Dynamic-fee pools

Last new pool

6mo

Code size

130 B

What it can do

Runs code on every swap

Its code executes inside each trade in pools that use it.

Safety report

Automated checks, not an audit

!Upgradeable proxyThe owner can replace the code (currently 0x460b…fd8b). Rules can change after you trade.

!Has an adminowner() is 0x96c3…409a. That account can usually change fees, limits or allowlists after you trade.

!Registry marks it upgradeableUniswap’s registry lists this hook as upgradeable.

✓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: ERC1967Proxy).

?No audit linkedAutomated checks only.

Pools using this hook

2 total

PairCreatedFeePool ID

ETH / XKQZ 6mo 1.00% 0xe501…41a7 Tx ↗

ETH / XKQZ 6mo 0.30% 0x090c…fbb3 Tx ↗