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

SPL Token Program JS API

import { Keypair, sendAndConfirmTransaction, SystemProgram, Transaction } from '@solana/web3.js';
import { TOKEN_PROGRAM_ID } from '../constants.js';
import { createInitializeMultisigInstruction } from '../instructions/initializeMultisig.js';
import { getMinimumBalanceForRentExemptMultisig, MULTISIG_SIZE } from '../state/multisig.js';
/**
 * Create and initialize a new multisig
 *
 * @param connection     Connection to use
 * @param payer          Payer of the transaction and initialization fees
 * @param signers        Full set of signers
 * @param m              Number of required signatures
 * @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 multisig
 */
export async function createMultisig(connection, payer, signers, m, keypair = Keypair.generate(), confirmOptions, programId = TOKEN_PROGRAM_ID) {
    const lamports = await getMinimumBalanceForRentExemptMultisig(connection);
    const transaction = new Transaction().add(SystemProgram.createAccount({
        fromPubkey: payer.publicKey,
        newAccountPubkey: keypair.publicKey,
        space: MULTISIG_SIZE,
        lamports,
        programId,
    }), createInitializeMultisigInstruction(keypair.publicKey, signers, m, programId));
    await sendAndConfirmTransaction(connection, transaction, [payer, keypair], confirmOptions);
    return keypair.publicKey;
}
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