Doppler

EthereumRegistered

A time-bounded token launch hook implementing a Dutch auction-style mechanism via rebalancing liquidity slugs. It enforces a trading window (startingTime to endingTime), dynamically adjusts LP fees, tracks total proceeds against a minimum threshold, and supports a migration function to transfer assets after a successful or failed sale.

0x473bcb7dc29273dd222a71f4fa70fe838e2db8e0 First pool 13 May 2026View on explorer

ALooks safeRegistered, verified, immutable

8 identical copies

Pools

Dynamic-fee pools

Last new pool

5mo

Code size

21,807 B

What it can do

Runs code on every swap

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

Sets its own swap fee

Pools using it let the hook choose the swap fee instead of a fixed tier.

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.

Handles donations to LPs

It runs when someone donates tokens to the pool’s LPs.

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: Doppler).

iRestricted swapsSwap access: temporal. Not everyone can trade every pool.

?No audit linkedAutomated checks only.

Pools using this hook

1 total

PairCreatedFeePool ID

TEST / WETH 5mo dynamic 0x210e…480c Tx ↗