Plach

Plach is an AMM (automated market maker) that runs inside Intear DEX. Its pools hold two assets each and price them with a constant product (x * y = k). The app is at dex.intea.rs.

Plach is a DEX on the engine, so there’s no Plach contract to call. Every call goes to the engine, dex.intear.near, with Plach’s DEX ID:

slimedragon.near/xyk

• Swaps use the engine’s swap_simple or operations, with a Plach route in message.
• Everything else, like adding liquidity or creating pools, is a dex_call, and reads are dex_view.
• Arguments and results are Borsh, in base64. Types has the layout of each.

The examples use near CLI, like the Intear DEX docs.

Caution

The contracts are not audited.

Pools

Each pool has an ID, counted from 0 in the order pools were created. For example, pool 221 is NEAR/USDT and pool 85 is NEAR/USDC. Pools can hold NEAR, NEP-141 and NEP-245 assets, but not NFTs.

Kind	Liquidity	Fees
Public	Anyone can add liquidity, and gets shares of the pool	Set at creation, can’t change
Private	Only the owner adds and removes liquidity	The owner can change them, until they lock the pool
Launch	All of a new token, against “phantom” liquidity of a quote asset. Can’t be added or removed	Set at creation, can’t change

See Pools.

Fees

The creator of a pool sets its fees: who gets what share of each swap. A fee can stay in the pool for liquidity providers, go to an account, or change over time. Plach adds a small protocol fee, and apps can charge their own referral fee on swaps they bring. See Fees.

What you can do

Swap

Through one pool, a chain of pools, or split across several routes, in one swap.

Provide liquidity

Add NEAR and a token to a public pool and earn its fees.

Create pools

Public, private or launch pools, with your own fees.

Earn referral fees

Charge up to 5% on the swaps your app sends.

Next steps

SwapsThe route format, and how prices and fees work.

MethodsEvery call and view of Plach.

DEX AggregatorGet Plach routes built for you, as ready-to-sign transactions.