Install

Add your preferred library to your project.

with npm

``bash
$ npm i @jet-lab/margin
`

...or with yarn

`bash
$ yarn add @jet-lab/margin
`

Usage

> View the typedocs for the full package documentation and available API.
>
> View more examples for usage reference.

$3

`ts
import { MarginAccount, MarginClient } from "@jet-lab/margin"
import { AnchorProvider, Wallet } from "@project-serum/anchor"
import { Connection, Keypair } from "@solana/web3.js"

const connection = new Connection("https://api.devnet.solana.com", "recent")
const options = AnchorProvider.defaultOptions()
const wallet = Wallet.local()
const provider = new AnchorProvider(connection, wallet, options)

const programs = MarginClient.getPrograms(provider, "devnet")
const marginAccount = await MarginAccount.load(programs, provider, wallet.publicKey, 0)

`

$3

`ts
import { MarginAccount, MarginClient, PoolManager } from "@jet-lab/margin"
import { Connection } from "@solana/web3.js"
import { AnchorProvider, Wallet } from "@project-serum/anchor"

const config = await MarginClient.getConfig("devnet")
const connection = new Connection("https://api.devnet.solana.com", options.commitment)
const options = AnchorProvider.defaultOptions()
const wallet = Wallet.local()
const localWalletPubkey = wallet.publicKey
const provider = new AnchorProvider(connection, wallet, options)

const programs = MarginClient.getPrograms(provider, config)

//Load margin pools
const poolManager = new PoolManager(programs, provider)
const pools = await poolManager.loadAll()

//Load wallet tokens
const walletTokens = await MarginAccount.loadTokens(poolManager.programs, localWalletPubkey)

//Load all margin accounts - users can have multiple margin accounts eventually
const marginAccounts = await MarginAccount.loadAllByOwner({
programs: poolManager.programs,
provider: poolManager.provider,
pools,
walletTokens,
owner: localWalletPubkey
})

//Print risk level of a margin account
if (marginAccounts) {
console.log(
Public key ${localWalletPubkey} risk indicator is ${marginAccounts[0].riskIndicator}
)
} else {
console.log("We have trouble getting margin accounts")
}
`

$3

`ts
import {
MarginClient,
MarginPrograms,
MarginAccount,
Pool,
PoolManager,
PoolTokenChange,
MarginConfig,

} from "@jet-lab/margin"
import { Connection, Keypair, LAMPORTS_PER_SOL, TransactionInstruction } from "@solana/web3.js"
import { AnchorProvider, Wallet } from "@project-serum/anchor"

// Setup
const walletKepair = Keypair.generate()
const walletPubkey = walletKepair.publicKey

const options = AnchorProvider.defaultOptions()
const connection = new Connection("https://api.devnet.solana.com", options.commitment)
const wallet = new Wallet(walletKepair)
const provider = new AnchorProvider(connection, wallet, options)

let config: MarginConfig
let programs: MarginPrograms
let poolManager: PoolManager
let pools: Record
let marginAccount: MarginAccount
const instructions: TransactionInstruction[] = []

// Airdrop
await connection.requestAirdrop(walletPubkey, LAMPORTS_PER_SOL)

// Load programs
config = await MarginClient.getConfig("devnet")
programs = MarginClient.getPrograms(provider, config)

// Load margin pools
poolManager = new PoolManager(programs, provider)
pools = await poolManager.loadAll()

// Create MarginAccount
marginAccount = await MarginAccount.createAccount({
programs,
provider,
owner: walletPubkey,
seed: 0,
pools
})

await marginAccount.refresh()

// Creates instruction for create a new margin account for wallet
await marginAccount.withCreateAccount(instructions)

``