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• .. (вверх)
• [DIR] ..
• [FILE] approve.ts
• [FILE] approveChecked.ts
• [FILE] burn.ts
• [FILE] burnChecked.ts
• [FILE] closeAccount.ts
• [FILE] createAccount.ts
• [FILE] createAssociatedTokenAccount.ts
• [FILE] createMint.ts
• [FILE] createMultisig.ts
• [FILE] createNativeMint.ts
• [FILE] createWrappedNativeAccount.ts
• [FILE] freezeAccount.ts
• [FILE] getOrCreateAssociatedTokenAccount.ts
• [FILE] index.ts
• [FILE] internal.ts
• [FILE] mintTo.ts
• [FILE] mintToChecked.ts
• [FILE] revoke.ts
• [FILE] setAuthority.ts
• [FILE] syncNative.ts
• [FILE] thawAccount.ts
• [FILE] transfer.ts
• [FILE] transferChecked.ts

Просмотр файла: createAccount.ts

import {
    ConfirmOptions,
    Connection,
    Keypair,
    PublicKey,
    sendAndConfirmTransaction,
    Signer,
    SystemProgram,
    Transaction,
} from '@solana/web3.js';
import { TOKEN_PROGRAM_ID } from '../constants';
import { createInitializeAccountInstruction } from '../instructions/index';
import { getMint } from '../state/index';
import { createAssociatedTokenAccount } from './createAssociatedTokenAccount';
import { getAccountLenForMint } from '../extensions/extensionType';

/**
 * Create and initialize a new token account
 *
 * @param connection     Connection to use
 * @param payer          Payer of the transaction and initialization fees
 * @param mint           Mint for the account
 * @param owner          Owner of the new account
 * @param keypair        Optional keypair, defaulting to the associated token account for the `mint` and `owner`
 * @param confirmOptions Options for confirming the transaction
 * @param programId      SPL Token program account
 *
 * @return Address of the new token account
 */
export async function createAccount(
    connection: Connection,
    payer: Signer,
    mint: PublicKey,
    owner: PublicKey,
    keypair?: Keypair,
    confirmOptions?: ConfirmOptions,
    programId = TOKEN_PROGRAM_ID
): Promise<PublicKey> {
    // If a keypair isn't provided, create the associated token account and return its address
    if (!keypair) return await createAssociatedTokenAccount(connection, payer, mint, owner, confirmOptions, programId);

    // Otherwise, create the account with the provided keypair and return its public key
    const mintState = await getMint(connection, mint, confirmOptions?.commitment, programId);
    const space = getAccountLenForMint(mintState);
    const lamports = await connection.getMinimumBalanceForRentExemption(space);

    const transaction = new Transaction().add(
        SystemProgram.createAccount({
            fromPubkey: payer.publicKey,
            newAccountPubkey: keypair.publicKey,
            space,
            lamports,
            programId,
        }),
        createInitializeAccountInstruction(keypair.publicKey, mint, owner, programId)
    );

    await sendAndConfirmTransaction(connection, transaction, [payer, keypair], confirmOptions);

    return keypair.publicKey;
}

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