@solana/spl-token
Version:
SPL Token Program JS API
60 lines • 3.12 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.memoTransferInstructionData = exports.MemoTransferInstruction = void 0;
exports.createEnableRequiredMemoTransfersInstruction = createEnableRequiredMemoTransfersInstruction;
exports.createDisableRequiredMemoTransfersInstruction = createDisableRequiredMemoTransfersInstruction;
const buffer_layout_1 = require("@solana/buffer-layout");
const web3_js_1 = require("@solana/web3.js");
const constants_js_1 = require("../../constants.js");
const errors_js_1 = require("../../errors.js");
const internal_js_1 = require("../../instructions/internal.js");
const types_js_1 = require("../../instructions/types.js");
var MemoTransferInstruction;
(function (MemoTransferInstruction) {
MemoTransferInstruction[MemoTransferInstruction["Enable"] = 0] = "Enable";
MemoTransferInstruction[MemoTransferInstruction["Disable"] = 1] = "Disable";
})(MemoTransferInstruction || (exports.MemoTransferInstruction = MemoTransferInstruction = {}));
/** TODO: docs */
exports.memoTransferInstructionData = (0, buffer_layout_1.struct)([
(0, buffer_layout_1.u8)('instruction'),
(0, buffer_layout_1.u8)('memoTransferInstruction'),
]);
/**
* Construct an EnableRequiredMemoTransfers instruction
*
* @param account Token account to update
* @param authority The account's owner/delegate
* @param signers The signer account(s)
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
function createEnableRequiredMemoTransfersInstruction(account, authority, multiSigners = [], programId = constants_js_1.TOKEN_2022_PROGRAM_ID) {
return createMemoTransferInstruction(MemoTransferInstruction.Enable, account, authority, multiSigners, programId);
}
/**
* Construct a DisableMemoTransfer instruction
*
* @param account Token account to update
* @param authority The account's owner/delegate
* @param signers The signer account(s)
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
function createDisableRequiredMemoTransfersInstruction(account, authority, multiSigners = [], programId = constants_js_1.TOKEN_2022_PROGRAM_ID) {
return createMemoTransferInstruction(MemoTransferInstruction.Disable, account, authority, multiSigners, programId);
}
function createMemoTransferInstruction(memoTransferInstruction, account, authority, multiSigners, programId) {
if (!(0, constants_js_1.programSupportsExtensions)(programId)) {
throw new errors_js_1.TokenUnsupportedInstructionError();
}
const keys = (0, internal_js_1.addSigners)([{ pubkey: account, isSigner: false, isWritable: true }], authority, multiSigners);
const data = Buffer.alloc(exports.memoTransferInstructionData.span);
exports.memoTransferInstructionData.encode({
instruction: types_js_1.TokenInstruction.MemoTransferExtension,
memoTransferInstruction,
}, data);
return new web3_js_1.TransactionInstruction({ keys, programId, data });
}
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