solana-program-library/token/js/examples/immutableOwner.ts

62 lines
2.0 KiB
TypeScript

import {
clusterApiUrl,
sendAndConfirmTransaction,
Connection,
Keypair,
SystemProgram,
Transaction,
LAMPORTS_PER_SOL,
} from '@solana/web3.js';
import {
createAccount,
createMint,
createInitializeImmutableOwnerInstruction,
createInitializeAccountInstruction,
getAccountLen,
ExtensionType,
TOKEN_2022_PROGRAM_ID,
} from '../src';
(async () => {
const connection = new Connection(clusterApiUrl('devnet'), 'confirmed');
const payer = Keypair.generate();
const airdropSignature = await connection.requestAirdrop(payer.publicKey, 2 * LAMPORTS_PER_SOL);
await connection.confirmTransaction({ signature: airdropSignature, ...(await connection.getLatestBlockhash()) });
const mintAuthority = Keypair.generate();
const decimals = 9;
const mint = await createMint(
connection,
payer,
mintAuthority.publicKey,
mintAuthority.publicKey,
decimals,
undefined,
undefined,
TOKEN_2022_PROGRAM_ID
);
const accountLen = getAccountLen([ExtensionType.ImmutableOwner]);
const lamports = await connection.getMinimumBalanceForRentExemption(accountLen);
const owner = Keypair.generate();
const accountKeypair = Keypair.generate();
const account = accountKeypair.publicKey;
const transaction = new Transaction().add(
SystemProgram.createAccount({
fromPubkey: payer.publicKey,
newAccountPubkey: account,
space: accountLen,
lamports,
programId: TOKEN_2022_PROGRAM_ID,
}),
createInitializeImmutableOwnerInstruction(account, TOKEN_2022_PROGRAM_ID),
createInitializeAccountInstruction(account, mint, owner.publicKey, TOKEN_2022_PROGRAM_ID)
);
await sendAndConfirmTransaction(connection, transaction, [payer, accountKeypair], undefined);
// create associated token account
await createAccount(connection, payer, mint, owner.publicKey, undefined, undefined, TOKEN_2022_PROGRAM_ID);
})();