فك تغليف lamport

import { getUnwrapLamportsInstruction } from "@solana-program/token";

// source: the native (wrapped SOL) token account to unwrap.
// destination: address that receives the unwrapped lamports.
// authority: a TransactionSigner (the account owner or a delegate).

// Unwrap a specific number of lamports.
const unwrapSome = getUnwrapLamportsInstruction({
  source,
  destination,
  authority,
  amount: 500_000_000n
});

// Or omit `amount` to unwrap the entire balance.
const unwrapAll = getUnwrapLamportsInstruction({
  source,
  destination,
  authority
});

// Send whichever instruction you need.
await client.sendTransaction([unwrapSome]);