@saberhq/token-utils
Version:
Token-related math and transaction utilities for Solana.
38 lines • 1.86 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.buildCreateTokenAccountTX = exports.createTokenAccount = void 0;
const solana_contrib_1 = require("@saberhq/solana-contrib");
const spl_token_1 = require("@solana/spl-token");
const web3_js_1 = require("@solana/web3.js");
const layout_js_1 = require("../layout.js");
const createTokenAccount = async ({ provider, mint, owner = provider.wallet.publicKey, payer = provider.wallet.publicKey, accountSigner = web3_js_1.Keypair.generate(), }) => {
// Allocate memory for the account
const rentExemptAccountBalance = await spl_token_1.Token.getMinBalanceRentForExemptAccount(provider.connection);
return (0, exports.buildCreateTokenAccountTX)({
provider,
mint,
rentExemptAccountBalance,
owner,
payer,
accountSigner,
});
};
exports.createTokenAccount = createTokenAccount;
const buildCreateTokenAccountTX = ({ provider, mint, rentExemptAccountBalance, owner = provider.wallet.publicKey, payer = provider.wallet.publicKey, accountSigner = web3_js_1.Keypair.generate(), }) => {
const tokenAccount = accountSigner.publicKey;
return {
key: tokenAccount,
tx: new solana_contrib_1.TransactionEnvelope(provider, [
web3_js_1.SystemProgram.createAccount({
fromPubkey: payer,
newAccountPubkey: accountSigner.publicKey,
lamports: rentExemptAccountBalance,
space: layout_js_1.TokenAccountLayout.span,
programId: spl_token_1.TOKEN_PROGRAM_ID,
}),
spl_token_1.Token.createInitAccountInstruction(spl_token_1.TOKEN_PROGRAM_ID, mint, tokenAccount, owner),
], [accountSigner]),
};
};
exports.buildCreateTokenAccountTX = buildCreateTokenAccountTX;
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