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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: approve.ts

import {
    ConfirmOptions,
    Connection,
    PublicKey,
    sendAndConfirmTransaction,
    Signer,
    Transaction,
    TransactionSignature,
} from '@solana/web3.js';
import { TOKEN_PROGRAM_ID } from '../constants';
import { createApproveInstruction } from '../instructions/index';
import { getSigners } from './internal';

/**
 * Approve a delegate to transfer up to a maximum number of tokens from an account
 *
 * @param connection     Connection to use
 * @param payer          Payer of the transaction fees
 * @param account        Address of the token account
 * @param delegate       Account authorized to transfer tokens from the account
 * @param owner          Owner of the account
 * @param amount         Maximum number of tokens the delegate may transfer
 * @param multiSigners   Signing accounts if `owner` is a multisig
 * @param confirmOptions Options for confirming the transaction
 * @param programId      SPL Token program account
 *
 * @return Signature of the confirmed transaction
 */
export async function approve(
    connection: Connection,
    payer: Signer,
    account: PublicKey,
    delegate: PublicKey,
    owner: Signer | PublicKey,
    amount: number | bigint,
    multiSigners: Signer[] = [],
    confirmOptions?: ConfirmOptions,
    programId = TOKEN_PROGRAM_ID
): Promise<TransactionSignature> {
    const [ownerPublicKey, signers] = getSigners(owner, multiSigners);

    const transaction = new Transaction().add(
        createApproveInstruction(account, delegate, ownerPublicKey, amount, multiSigners, programId)
    );

    return await sendAndConfirmTransaction(connection, transaction, [payer, ...signers], confirmOptions);
}

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