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

46 lines
1.5 KiB
TypeScript

import {
clusterApiUrl,
sendAndConfirmTransaction,
Connection,
Keypair,
SystemProgram,
Transaction,
LAMPORTS_PER_SOL,
} from '@solana/web3.js';
import {
createInitializeNonTransferableMintInstruction,
createInitializeMintInstruction,
getMintLen,
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 mintKeypair = Keypair.generate();
const mint = mintKeypair.publicKey;
const mintLen = getMintLen([ExtensionType.NonTransferable]);
const lamports = await connection.getMinimumBalanceForRentExemption(mintLen);
const transaction = new Transaction().add(
SystemProgram.createAccount({
fromPubkey: payer.publicKey,
newAccountPubkey: mint,
space: mintLen,
lamports,
programId: TOKEN_2022_PROGRAM_ID,
}),
createInitializeNonTransferableMintInstruction(mint, TOKEN_2022_PROGRAM_ID),
createInitializeMintInstruction(mint, decimals, mintAuthority.publicKey, null, TOKEN_2022_PROGRAM_ID)
);
await sendAndConfirmTransaction(connection, transaction, [payer, mintKeypair], undefined);
})();