JavaScript SDK

Install

npm i @unclaimedsol/spl-burn-close-sdk

Quick start

import { Connection, Keypair } from "@solana/web3.js";
import {
  buildBurnAndCloseTransactions,
  PROGRAM_ID,
} from "@unclaimedsol/spl-burn-close-sdk";

const connection = new Connection("https://api.mainnet-beta.solana.com");
const keypair = Keypair.fromSecretKey(/* Uint8Array */);
const user = keypair.publicKey;

// You can get easily obtain pairs using getTokenAccountsByOwner method
const pairs = [{ mint: new PublicKey("MINT_1"), ata: new PublicKey("ATA_1") }];

const txs = await buildBurnAndCloseTransactions(
  connection,
  PROGRAM_ID,
  user,
  pairs
);

for (const tx of txs) {
  tx.partialSign(keypair);
  const sig = await connection.sendRawTransaction(tx.serialize());
  let latestBlockhash = await connection.getLatestBlockhash(
    connection.commitment
  );
  await connection.confirmTransaction({
    signature: sig,
    blockhash: latestBlockhash.blockhash,
    lastValidBlockHeight: latestBlockhash.lastValidBlockHeight,
  });
  console.log("✅ Sent:", sig);
}