@solana/spl-token
Version:
SPL Token Program JS API
86 lines • 3.92 kB
JavaScript
;
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.MULTISIG_SIZE = exports.MultisigLayout = void 0;
exports.getMultisig = getMultisig;
exports.unpackMultisig = unpackMultisig;
exports.getMinimumBalanceForRentExemptMultisig = getMinimumBalanceForRentExemptMultisig;
const buffer_layout_1 = require("@solana/buffer-layout");
const buffer_layout_utils_1 = require("@solana/buffer-layout-utils");
const constants_js_1 = require("../constants.js");
const errors_js_1 = require("../errors.js");
/** Buffer layout for de/serializing a multisig */
exports.MultisigLayout = (0, buffer_layout_1.struct)([
(0, buffer_layout_1.u8)('m'),
(0, buffer_layout_1.u8)('n'),
(0, buffer_layout_utils_1.bool)('isInitialized'),
(0, buffer_layout_utils_1.publicKey)('signer1'),
(0, buffer_layout_utils_1.publicKey)('signer2'),
(0, buffer_layout_utils_1.publicKey)('signer3'),
(0, buffer_layout_utils_1.publicKey)('signer4'),
(0, buffer_layout_utils_1.publicKey)('signer5'),
(0, buffer_layout_utils_1.publicKey)('signer6'),
(0, buffer_layout_utils_1.publicKey)('signer7'),
(0, buffer_layout_utils_1.publicKey)('signer8'),
(0, buffer_layout_utils_1.publicKey)('signer9'),
(0, buffer_layout_utils_1.publicKey)('signer10'),
(0, buffer_layout_utils_1.publicKey)('signer11'),
]);
/** Byte length of a multisig */
exports.MULTISIG_SIZE = exports.MultisigLayout.span;
/**
* Retrieve information about a multisig
*
* @param connection Connection to use
* @param address Multisig account
* @param commitment Desired level of commitment for querying the state
* @param programId SPL Token program account
*
* @return Multisig information
*/
function getMultisig(connection_1, address_1, commitment_1) {
return __awaiter(this, arguments, void 0, function* (connection, address, commitment, programId = constants_js_1.TOKEN_PROGRAM_ID) {
const info = yield connection.getAccountInfo(address, commitment);
return unpackMultisig(address, info, programId);
});
}
/**
* Unpack a multisig
*
* @param address Multisig account
* @param info Multisig account data
* @param programId SPL Token program account
*
* @return Unpacked multisig
*/
function unpackMultisig(address, info, programId = constants_js_1.TOKEN_PROGRAM_ID) {
if (!info)
throw new errors_js_1.TokenAccountNotFoundError();
if (!info.owner.equals(programId))
throw new errors_js_1.TokenInvalidAccountOwnerError();
if (info.data.length != exports.MULTISIG_SIZE)
throw new errors_js_1.TokenInvalidAccountSizeError();
const multisig = exports.MultisigLayout.decode(info.data);
return Object.assign({ address }, multisig);
}
/** Get the minimum lamport balance for a multisig to be rent exempt
*
* @param connection Connection to use
* @param commitment Desired level of commitment for querying the state
*
* @return Amount of lamports required
*/
function getMinimumBalanceForRentExemptMultisig(connection, commitment) {
return __awaiter(this, void 0, void 0, function* () {
return yield connection.getMinimumBalanceForRentExemption(exports.MULTISIG_SIZE, commitment);
});
}
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