Market Order - Exponent Docs

The ixWrapperMarketOffer instruction executes a market order on the Exponent orderbook.

Usage

import { PublicKey } from "@solana/web3.js";
import { OfferType } from "@exponent-labs/exponent-sdk";

const { ix, setupIxs } = await orderbook.ixWrapperMarketOffer({
  trader: wallet.publicKey,
  maxPriceApy: 5.5,
  amount: 1_000_000_000n,
  offerType: OfferType.BuyYt,
  minAmountOut: 990_000_000n,
  virtualOffer: false,
  mintSy: syMintAddress,
});

Required Parameters

Parameter	Type	Description
`trader`	`PublicKey`	The trader’s wallet public key
`maxPriceApy`	`number`	Maximum price in APY terms
`amount`	`bigint`	The amount to trade
`offerType`	`OfferType`	The type of offer (`OfferType.BuyYt` / `OfferType.SellYt`)
`minAmountOut`	`bigint`	Minimum amount to receive (slippage protection)
`virtualOffer`	`boolean`	Whether this is a virtual offer
`mintSy`	`PublicKey`	The SY token mint address

Optional Parameters

Parameter	Type	Description
`ptSrc`	`PublicKey`	PT token source account
`ytSrc`	`PublicKey`	YT token source account
`sySrc`	`PublicKey`	SY token source account
`tokenBaseTrader`	`PublicKey`	Base token account for the trader

Returns

Returns an object with:

ix - The TransactionInstruction that executes the market order
setupIxs - An array of setup instructions to run before ix:
- setupIxs[0] - Creates the PT associated token account for the trader (if it doesn’t exist)
- setupIxs[1] - Creates the YT associated token account for the trader (if it doesn’t exist)
- setupIxs[2] - Creates the SY associated token account for the trader (if it doesn’t exist)