Rule Craft

Example blueprint

LP Harvest

Size-scaled fees plus a stream from buys. Everything extra goes to in-range LPs, so depth tends to follow volume.

Remix in composer Use for a launchExample · written by the team · not published on chain

Modules

2

Royalty

15%

of add-on revenue

Pools

0

examples are not on chain

Built for

LPs

This example is not on chain. To earn its royalty yourself, open it in the composer, name it and press Publish: your wallet writes your own copy to the BlueprintRegistry.

The rules, in plain words

  • LP fee set per swap, floor 0.3%, ceiling 1%.
  • 1% of every buy's ETH is donated to in-range LPs.
Buy
2%
Sell
1%
Opening buy
2%

Permission bits

13BI
12AI
11BA
10AA
9BR
8AR
7BS
6AS
5BD
4AD
3BSΔ
2ASΔ
1AAΔ
0ARΔ

BI beforeInitialize · BS beforeSwap · AS afterSwap · ASΔ afterSwapReturnDelta

mask 0x20c4bits 100000110001004/14 on can change amounts

Where each rule runs

  1. ·

    Pool opens

    Untouched.

  2. ·

    Liquidity in

    Untouched.

  3. 1

    Before swap

    Size-Scaled Fee
  4. v4

    v4 swap math

    Concentrated-liquidity math in the PoolManager. No rule runs inside it.

  5. 1

    After swap

    LP Stream
  6. ·

    Liquidity out

    Untouched.