@solana/spl-token
Version:
SPL Token Program JS API
53 lines • 3.23 kB
JavaScript
import { sendAndConfirmTransaction, SystemProgram, Transaction } from '@solana/web3.js';
import { ASSOCIATED_TOKEN_PROGRAM_ID, NATIVE_MINT, TOKEN_PROGRAM_ID } from '../constants.js';
import { createAssociatedTokenAccountInstruction } from '../instructions/associatedTokenAccount.js';
import { createInitializeAccountInstruction } from '../instructions/initializeAccount.js';
import { createSyncNativeInstruction } from '../instructions/syncNative.js';
import { ACCOUNT_SIZE, getMinimumBalanceForRentExemptAccount } from '../state/account.js';
import { getAssociatedTokenAddressSync } from '../state/mint.js';
import { createAccount } from './createAccount.js';
/**
* Create, initialize, and fund a new wrapped native SOL account
*
* @param connection Connection to use
* @param payer Payer of the transaction and initialization fees
* @param owner Owner of the new token account
* @param amount Number of lamports to wrap
* @param keypair Optional keypair, defaulting to the associated token account for the native mint and `owner`
* @param confirmOptions Options for confirming the transaction
* @param programId SPL Token program account
*
* @return Address of the new wrapped native SOL account
*/
export async function createWrappedNativeAccount(connection, payer, owner, amount, keypair, confirmOptions, programId = TOKEN_PROGRAM_ID, nativeMint = NATIVE_MINT) {
// If the amount provided is explicitly 0 or NaN, just create the account without funding it
if (!amount)
return await createAccount(connection, payer, nativeMint, owner, keypair, confirmOptions, programId);
// If a keypair isn't provided, create the account at the owner's ATA for the native mint and return its address
if (!keypair) {
const associatedToken = getAssociatedTokenAddressSync(nativeMint, owner, false, programId, ASSOCIATED_TOKEN_PROGRAM_ID);
const transaction = new Transaction().add(createAssociatedTokenAccountInstruction(payer.publicKey, associatedToken, owner, nativeMint, programId, ASSOCIATED_TOKEN_PROGRAM_ID), SystemProgram.transfer({
fromPubkey: payer.publicKey,
toPubkey: associatedToken,
lamports: amount,
}), createSyncNativeInstruction(associatedToken, programId));
await sendAndConfirmTransaction(connection, transaction, [payer], confirmOptions);
return associatedToken;
}
// Otherwise, create the account with the provided keypair and return its public key
const lamports = await getMinimumBalanceForRentExemptAccount(connection);
const transaction = new Transaction().add(SystemProgram.createAccount({
fromPubkey: payer.publicKey,
newAccountPubkey: keypair.publicKey,
space: ACCOUNT_SIZE,
lamports,
programId,
}), SystemProgram.transfer({
fromPubkey: payer.publicKey,
toPubkey: keypair.publicKey,
lamports: amount,
}), createInitializeAccountInstruction(keypair.publicKey, nativeMint, owner, programId));
await sendAndConfirmTransaction(connection, transaction, [payer, keypair], confirmOptions);
return keypair.publicKey;
}
//# sourceMappingURL=createWrappedNativeAccount.js.map