@solana/spl-token/lib/esm/actions/approveChecked.js

SPL Token Program JS API

import { sendAndConfirmTransaction, Transaction } from '@solana/web3.js';
import { TOKEN_PROGRAM_ID } from '../constants.js';
import { createApproveCheckedInstruction } from '../instructions/approveChecked.js';
import { getSigners } from './internal.js';
/**
 * Approve a delegate to transfer up to a maximum number of tokens from an account, asserting the token mint and
 * decimals
 *
 * @param connection     Connection to use
 * @param payer          Payer of the transaction fees
 * @param mint           Address of the mint
 * @param account        Address of the account
 * @param delegate       Account authorized to perform a transfer tokens from the source account
 * @param owner          Owner of the source account
 * @param amount         Maximum number of tokens the delegate may transfer
 * @param decimals       Number of decimals in approve amount
 * @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 approveChecked(connection, payer, mint, account, delegate, owner, amount, decimals, multiSigners = [], confirmOptions, programId = TOKEN_PROGRAM_ID) {
    const [ownerPublicKey, signers] = getSigners(owner, multiSigners);
    const transaction = new Transaction().add(createApproveCheckedInstruction(account, mint, delegate, ownerPublicKey, amount, decimals, multiSigners, programId));
    return await sendAndConfirmTransaction(connection, transaction, [payer, ...signers], confirmOptions);
}
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