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These flows use many instructions. If you hit compute limits, add ComputeBudgetProgram.setComputeUnitLimit({ units: 1_000_000 }) (or higher) as the first instruction in your transaction.
“Unwind” (deleverage) is the process of closing or reducing a leveraged position. Use Jupiter Lite API for swap quotes and instructions. Build your own transaction, do not use a pre-built swap transaction. For example, to unwind a SOL/USDC position:
  1. Flashloan collateral (SOL) from Jupiter Lend.
  2. Swap SOL → USDC using Jupiter Lite API (you need USDC to repay debt).
  3. Use getOperateIx to repay debt and withdraw collateral.
  4. Pay back the flashloan with the withdrawn SOL.
All of this happens atomically in a single Solana transaction.

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Unwind

1

Import Dependencies

import {
  AddressLookupTableAccount,
  Connection,
  Keypair,
  PublicKey,
  TransactionInstruction,
  TransactionMessage,
  VersionedTransaction,
} from "@solana/web3.js";
import BN from "bn.js";
import { getFlashBorrowIx, getFlashPaybackIx } from "@jup-ag/lend/flashloan";
import { getOperateIx, MAX_REPAY_AMOUNT, MAX_WITHDRAW_AMOUNT } from "@jup-ag/lend/borrow";
import fs from "fs";
import path from "path";
2

Load Keypair and Initialise Connection

Set positionId (NFT ID from your multiply position) and withdrawAmount (collateral to unwind in base units). For full unwind, use MAX_REPAY_AMOUNT and MAX_WITHDRAW_AMOUNT.
const KEYPAIR_PATH = "/path/to/your/keypair.json";
const RPC_URL = "https://api.mainnet-beta.solana.com";
function loadKeypair(p: string): Keypair {
  return Keypair.fromSecretKey(new Uint8Array(JSON.parse(fs.readFileSync(path.resolve(p), "utf8"))));
}
const userKeypair = loadKeypair(KEYPAIR_PATH);
const connection = new Connection(RPC_URL, { commitment: "confirmed" });
const signer = userKeypair.publicKey;

const solMint = new PublicKey("So11111111111111111111111111111111111111112");
const usdcMint = new PublicKey("EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v");

const POSITION_ID = 7360; // NFT ID of your position
const WITHDRAW_AMOUNT = new BN(1_179_026_156); // collateral to withdraw (base units)
const FULL_UNWIND = true;
3

Get Flashloan Instructions

Use getFlashBorrowIx and getFlashPaybackIx to flashloan the collateral asset (e.g. SOL).
const flashParams = { connection, signer, asset: solMint, amount: withdrawAmount };
const flashBorrowIx = await getFlashBorrowIx(flashParams);
const flashPaybackIx = await getFlashPaybackIx(flashParams);
4

Get Quote and Swap Instructions (Jupiter Lite API)

Fetch a quote from Jupiter Lite API (swap collateral → debt), then POST to swap-instructions. Use otherAmountThreshold from the quote as the repay amount for partial unwind.
const LITE_API = "https://lite-api.jup.ag/swap/v1";
const quoteResponse = await fetch(
  `${LITE_API}/quote?inputMint=${solMint.toBase58()}&outputMint=${usdcMint.toBase58()}&amount=${withdrawAmount.toString()}&slippageBps=100`
).then((r) => r.json());

const swapRes = await fetch(`${LITE_API}/swap-instructions`, {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ quoteResponse, userPublicKey: signer.toBase58() }),
}).then((r) => r.json());
const swapIx = jupIxToTransactionInstruction(swapRes.swapInstruction);
The jupIxToTransactionInstruction helper converts the JSON instruction from the API into a Solana TransactionInstruction:
function jupIxToTransactionInstruction(ix: {
  programId: string;
  accounts: Array<{ pubkey: string; isSigner: boolean; isWritable: boolean }>;
  data: string;
}): TransactionInstruction {
  return new TransactionInstruction({
    programId: new PublicKey(ix.programId),
    keys: ix.accounts.map((a) => ({
      pubkey: new PublicKey(a.pubkey),
      isSigner: a.isSigner,
      isWritable: a.isWritable,
    })),
    data: Buffer.from(ix.data, "base64"),
  });
}
5

Get Vault Operations (Repay + Withdraw)

Use getOperateIx with negative amounts. For full unwind use MAX_WITHDRAW_AMOUNT and MAX_REPAY_AMOUNT. For partial, use withdrawAmount.neg() and repayAmount.neg() where repayAmount = new BN(quoteResponse.otherAmountThreshold).
const repayAmount = new BN(quoteResponse.otherAmountThreshold);
const colAmount = FULL_UNWIND ? MAX_WITHDRAW_AMOUNT : withdrawAmount.neg();
const debtAmount = FULL_UNWIND ? MAX_REPAY_AMOUNT : repayAmount.neg();

const { ixs: operateIxs, addressLookupTableAccounts } = await getOperateIx({
  vaultId: 1,
  positionId: POSITION_ID,
  colAmount,
  debtAmount,
  connection,
  signer,
});
6

Assemble and Execute the Transaction

Order: Flashloan Borrow (collateral) → Swap (collateral → debt) → Vault Operate (repay + withdraw) → Flashloan PaybackThe getAddressLookupTableAccounts helper resolves lookup table addresses into account objects:
async function getAddressLookupTableAccounts(
  connection: Connection,
  keys: string[]
): Promise<AddressLookupTableAccount[]> {
  if (!keys?.length) return [];
  const infos = await connection.getMultipleAccountsInfo(keys.map((k) => new PublicKey(k)));
  return infos.reduce((acc, info, i) => {
    if (info) {
      acc.push(new AddressLookupTableAccount({
        key: new PublicKey(keys[i]),
        state: AddressLookupTableAccount.deserialize(info.data),
      }));
    }
    return acc;
  }, [] as AddressLookupTableAccount[]);
}

const swapAlts = await getAddressLookupTableAccounts(connection, swapRes.addressLookupTableAddresses ?? []);
const allAlts = [...(addressLookupTableAccounts ?? []), ...swapAlts];

const { blockhash, lastValidBlockHeight } = await connection.getLatestBlockhash();
const message = new TransactionMessage({
  payerKey: signer,
  recentBlockhash: blockhash,
  instructions: [flashBorrowIx, swapIx, ...operateIxs, flashPaybackIx],
}).compileToV0Message(allAlts);

const tx = new VersionedTransaction(message);
tx.sign([userKeypair]);
const signature = await connection.sendTransaction(tx, { skipPreflight: false, maxRetries: 3 });
console.log("Unwind successful:", signature);