HOOKHOOD ORIGINALS · SIGNATURE LAB

Four hooks.
One signature lab.

Meet Heartbeat, Liquidity Passport, FairFlow, and SplitStream—our flagship Uniswap v4 research hooks, explained visually from callback to outcome.

SIGNATURE RECEIPTOriginal research, honest status.UNAUDITED
014 original hook conceptsDesigned and documented by HookHood Labs.
02Source + test evidenceInspect what exists before trusting a claim.
03Risk shown in plain languageReference code, not production advice.
OUR FLAGSHIP · SIGNATURE LAB

See what each hook
observes, decides, and changes.

Each animated diagram follows the real research mechanism. The motion explains causality; the text remains complete when animation is disabled.

01 / MARKET SIGNALHOOKHOOD ORIGINAL

Heartbeat

Reads recent pool activity, turns it into a bounded score, then recommends a fee response.

  1. OBSERVETick movement + swap frequency
  2. SCOREDecay keeps activity bounded
  3. RESPONDRecommend a dynamic LP fee
INSPECT SOURCE + TESTS
02 / LP MEMORYHOOKHOOD ORIGINAL

Liquidity Passport

Records experimental participation signals without moving funds or claiming identity assurance.

  1. RECEIVELP data arrives in hookData
  2. RECORDAdds, removals, and age update
  3. DISPLAYA transparent research tier
INSPECT SOURCE + TESTS
03 / EPOCH QUEUEHOOKHOOD ORIGINAL

FairFlow

Collects exact-input flow into deterministic epochs for honest REFUND_ONLY research settlement.

  1. COLLECTOrders enter the active epoch
  2. CLOSEThe epoch boundary is deterministic
  3. REFUNDClaims return recorded input
INSPECT SOURCE + TESTS
04 / REVENUE ROUTERHOOKHOOD ORIGINAL

SplitStream

Routes a bounded exact-input hook fee into configured PoolManager claim recipients.

  1. CAPTUREA bounded exact-input fee
  2. SPLITWeights divide the claim amount
  3. ROUTERecipients receive manager claims
INSPECT SOURCE + TESTS
EXPLORE THE LIBRARY

Then navigate the
wider design space.

Browse educational hook patterns by problem surface, from fees and liquidity to oracle data and MEV protection.

REFERENCE CODE

Read beyond
the hook name.

VIEW ALL 32
01
HOOKHOOD CONCEPT

Heartbeat Hook

A pool that can feel market stress.

beforeSwapafterSwap
by HookHood Labs
02
HOOKHOOD CONCEPT

Liquidity Passport Hook

Reputation for liquidity providers.

afterAddLiquidityafterRemoveLiquidity
by HookHood Labs
03
HOOKHOOD CONCEPT

FairFlow Hook

Trade together. Settle together.

beforeSwapbeforeSwapReturnDelta
by HookHood Labs
04
HOOKHOOD CONCEPT

SplitStream Hook

Programmable revenue routing for every swap.

beforeSwapbeforeSwapReturnDelta
by HookHood Labs