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Просмотр файла: getOrCreateAssociatedTokenAccount.js
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getOrCreateAssociatedTokenAccount = void 0;
const web3_js_1 = require("@solana/web3.js");
const constants_1 = require("../constants");
const errors_1 = require("../errors");
const index_1 = require("../instructions/index");
const index_2 = require("../state/index");
/**
* Retrieve the associated token account, or create it if it doesn't exist
*
* @param connection Connection to use
* @param payer Payer of the transaction and initialization fees
* @param mint Mint associated with the account to set or verify
* @param owner Owner of the account to set or verify
* @param allowOwnerOffCurve Allow the owner account to be a PDA (Program Derived Address)
* @param commitment Desired level of commitment for querying the state
* @param confirmOptions Options for confirming the transaction
* @param programId SPL Token program account
* @param associatedTokenProgramId SPL Associated Token program account
*
* @return Address of the new associated token account
*/
function getOrCreateAssociatedTokenAccount(connection, payer, mint, owner, allowOwnerOffCurve = false, commitment, confirmOptions, programId = constants_1.TOKEN_PROGRAM_ID, associatedTokenProgramId = constants_1.ASSOCIATED_TOKEN_PROGRAM_ID) {
return __awaiter(this, void 0, void 0, function* () {
const associatedToken = yield (0, index_2.getAssociatedTokenAddress)(mint, owner, allowOwnerOffCurve, programId, associatedTokenProgramId);
// This is the optimal logic, considering TX fee, client-side computation, RPC roundtrips and guaranteed idempotent.
// Sadly we can't do this atomically.
let account;
try {
account = yield (0, index_2.getAccount)(connection, associatedToken, commitment, programId);
}
catch (error) {
// TokenAccountNotFoundError can be possible if the associated address has already received some lamports,
// becoming a system account. Assuming program derived addressing is safe, this is the only case for the
// TokenInvalidAccountOwnerError in this code path.
if (error instanceof errors_1.TokenAccountNotFoundError || error instanceof errors_1.TokenInvalidAccountOwnerError) {
// As this isn't atomic, it's possible others can create associated accounts meanwhile.
try {
const transaction = new web3_js_1.Transaction().add((0, index_1.createAssociatedTokenAccountInstruction)(payer.publicKey, associatedToken, owner, mint, programId, associatedTokenProgramId));
yield (0, web3_js_1.sendAndConfirmTransaction)(connection, transaction, [payer], confirmOptions);
}
catch (error) {
// Ignore all errors; for now there is no API-compatible way to selectively ignore the expected
// instruction error if the associated account exists already.
}
// Now this should always succeed
account = yield (0, index_2.getAccount)(connection, associatedToken, commitment, programId);
}
else {
throw error;
}
}
if (!account.mint.equals(mint))
throw new errors_1.TokenInvalidMintError();
if (!account.owner.equals(owner))
throw new errors_1.TokenInvalidOwnerError();
return account;
});
}
exports.getOrCreateAssociatedTokenAccount = getOrCreateAssociatedTokenAccount;
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