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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: createMint.ts

import {
    ConfirmOptions,
    Connection,
    Keypair,
    PublicKey,
    sendAndConfirmTransaction,
    Signer,
    SystemProgram,
    Transaction,
} from '@solana/web3.js';
import { TOKEN_PROGRAM_ID } from '../constants';
import { createInitializeMintInstruction } from '../instructions/index';
import { getMinimumBalanceForRentExemptMint, MINT_SIZE } from '../state/index';

/**
 * Create and initialize a new mint
 *
 * @param connection      Connection to use
 * @param payer           Payer of the transaction and initialization fees
 * @param mintAuthority   Account or multisig that will control minting
 * @param freezeAuthority Optional account or multisig that can freeze token accounts
 * @param decimals        Location of the decimal place
 * @param keypair         Optional keypair, defaulting to a new random one
 * @param confirmOptions  Options for confirming the transaction
 * @param programId       SPL Token program account
 *
 * @return Address of the new mint
 */
export async function createMint(
    connection: Connection,
    payer: Signer,
    mintAuthority: PublicKey,
    freezeAuthority: PublicKey | null,
    decimals: number,
    keypair = Keypair.generate(),
    confirmOptions?: ConfirmOptions,
    programId = TOKEN_PROGRAM_ID
): Promise<PublicKey> {
    const lamports = await getMinimumBalanceForRentExemptMint(connection);

    const transaction = new Transaction().add(
        SystemProgram.createAccount({
            fromPubkey: payer.publicKey,
            newAccountPubkey: keypair.publicKey,
            space: MINT_SIZE,
            lamports,
            programId,
        }),
        createInitializeMintInstruction(keypair.publicKey, decimals, mintAuthority, freezeAuthority, programId)
    );

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

    return keypair.publicKey;
}

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