/
approveChecked.ts
53 lines (50 loc) · 1.96 KB
/
approveChecked.ts
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import type { ConfirmOptions, Connection, PublicKey, Signer, TransactionSignature } from '@solana/web3.js';
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 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: Connection,
payer: Signer,
mint: PublicKey,
account: PublicKey,
delegate: PublicKey,
owner: Signer | PublicKey,
amount: number | bigint,
decimals: number,
multiSigners: Signer[] = [],
confirmOptions?: ConfirmOptions,
programId = TOKEN_PROGRAM_ID
): Promise<TransactionSignature> {
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);
}