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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@solana/spl-token/lib/esm/actions

Просмотр файла: createWrappedNativeAccount.mjs

import { sendAndConfirmTransaction, SystemProgram, Transaction, } from '@solana/web3.js';
import { ASSOCIATED_TOKEN_PROGRAM_ID, NATIVE_MINT, TOKEN_PROGRAM_ID } from './../constants.mjs';
import { createAssociatedTokenAccountInstruction, createInitializeAccountInstruction, createSyncNativeInstruction, } from './../instructions/index.mjs';
import { ACCOUNT_SIZE, getAssociatedTokenAddress, getMinimumBalanceForRentExemptAccount } from './../state/index.mjs';
import { createAccount } from './createAccount.mjs';
/**
 * Create, initialize, and fund a new wrapped native SOL account
 *
 * @param connection     Connection to use
 * @param payer          Payer of the transaction and initialization fees
 * @param owner          Owner of the new token account
 * @param amount         Number of lamports to wrap
 * @param keypair        Optional keypair, defaulting to the associated token account for the native mint and `owner`
 * @param confirmOptions Options for confirming the transaction
 * @param programId      SPL Token program account
 *
 * @return Address of the new wrapped native SOL account
 */
export async function createWrappedNativeAccount(connection, payer, owner, amount, keypair, confirmOptions, programId = TOKEN_PROGRAM_ID, nativeMint = NATIVE_MINT) {
    // If the amount provided is explicitly 0 or NaN, just create the account without funding it
    if (!amount)
        return await createAccount(connection, payer, nativeMint, owner, keypair, confirmOptions, programId);
    // If a keypair isn't provided, create the account at the owner's ATA for the native mint and return its address
    if (!keypair) {
        const associatedToken = await getAssociatedTokenAddress(nativeMint, owner, false, programId, ASSOCIATED_TOKEN_PROGRAM_ID);
        const transaction = new Transaction().add(createAssociatedTokenAccountInstruction(payer.publicKey, associatedToken, owner, nativeMint, programId, ASSOCIATED_TOKEN_PROGRAM_ID), SystemProgram.transfer({
            fromPubkey: payer.publicKey,
            toPubkey: associatedToken,
            lamports: amount,
        }), createSyncNativeInstruction(associatedToken, programId));
        await sendAndConfirmTransaction(connection, transaction, [payer], confirmOptions);
        return associatedToken;
    }
    // Otherwise, create the account with the provided keypair and return its public key
    const lamports = await getMinimumBalanceForRentExemptAccount(connection);
    const transaction = new Transaction().add(SystemProgram.createAccount({
        fromPubkey: payer.publicKey,
        newAccountPubkey: keypair.publicKey,
        space: ACCOUNT_SIZE,
        lamports,
        programId,
    }), SystemProgram.transfer({
        fromPubkey: payer.publicKey,
        toPubkey: keypair.publicKey,
        lamports: amount,
    }), createInitializeAccountInstruction(keypair.publicKey, nativeMint, owner, programId));
    await sendAndConfirmTransaction(connection, transaction, [payer, keypair], confirmOptions);
    return keypair.publicKey;
}
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