65 lines
2.1 KiB
TypeScript
65 lines
2.1 KiB
TypeScript
import {
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clusterApiUrl,
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sendAndConfirmTransaction,
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Connection,
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Keypair,
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SystemProgram,
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Transaction,
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LAMPORTS_PER_SOL,
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} from '@solana/web3.js';
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import {
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createMint,
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createEnableRequiredMemoTransfersInstruction,
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createInitializeAccountInstruction,
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disableRequiredMemoTransfers,
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enableRequiredMemoTransfers,
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getAccountLen,
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ExtensionType,
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TOKEN_2022_PROGRAM_ID,
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} from '../src';
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(async () => {
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const connection = new Connection(clusterApiUrl('devnet'), 'confirmed');
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const payer = Keypair.generate();
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const airdropSignature = await connection.requestAirdrop(payer.publicKey, 2 * LAMPORTS_PER_SOL);
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await connection.confirmTransaction(airdropSignature);
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const mintAuthority = Keypair.generate();
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const decimals = 9;
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const mint = await createMint(
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connection,
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payer,
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mintAuthority.publicKey,
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mintAuthority.publicKey,
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decimals,
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undefined,
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undefined,
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TOKEN_2022_PROGRAM_ID
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);
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const accountLen = getAccountLen([ExtensionType.MemoTransfer]);
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const lamports = await connection.getMinimumBalanceForRentExemption(accountLen);
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const owner = Keypair.generate();
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const destinationKeypair = Keypair.generate();
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const destination = destinationKeypair.publicKey;
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const transaction = new Transaction().add(
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SystemProgram.createAccount({
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fromPubkey: payer.publicKey,
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newAccountPubkey: destination,
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space: accountLen,
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lamports,
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programId: TOKEN_2022_PROGRAM_ID,
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}),
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createInitializeAccountInstruction(destination, mint, owner.publicKey, TOKEN_2022_PROGRAM_ID),
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createEnableRequiredMemoTransfersInstruction(destination, owner.publicKey, [], TOKEN_2022_PROGRAM_ID)
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);
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await sendAndConfirmTransaction(connection, transaction, [payer, owner, destinationKeypair], undefined);
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await disableRequiredMemoTransfers(connection, payer, destination, owner, [], undefined, TOKEN_2022_PROGRAM_ID);
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await enableRequiredMemoTransfers(connection, payer, destination, owner, [], undefined, TOKEN_2022_PROGRAM_ID);
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})();
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