@solana/spl-token
Version:
SPL Token Program JS API
40 lines • 2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.createReallocateInstruction = createReallocateInstruction;
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("./internal.js");
const types_js_1 = require("./types.js");
/**
* Construct a Reallocate instruction
*
* @param account Address of the token account
* @param payer Address paying for the reallocation
* @param extensionTypes Extensions to reallocate for
* @param owner Owner of the account
* @param multiSigners Signing accounts if `owner` is a multisig
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
function createReallocateInstruction(account, payer, extensionTypes, owner, multiSigners = [], programId = constants_js_1.TOKEN_2022_PROGRAM_ID) {
if (!(0, constants_js_1.programSupportsExtensions)(programId)) {
throw new errors_js_1.TokenUnsupportedInstructionError();
}
const baseKeys = [
{ pubkey: account, isSigner: false, isWritable: true },
{ pubkey: payer, isSigner: true, isWritable: true },
{ pubkey: web3_js_1.SystemProgram.programId, isSigner: false, isWritable: false },
];
const keys = (0, internal_js_1.addSigners)(baseKeys, owner, multiSigners);
const reallocateInstructionData = (0, buffer_layout_1.struct)([
(0, buffer_layout_1.u8)('instruction'),
(0, buffer_layout_1.seq)((0, buffer_layout_1.u16)(), extensionTypes.length, 'extensionTypes'),
]);
const data = Buffer.alloc(reallocateInstructionData.span);
reallocateInstructionData.encode({ instruction: types_js_1.TokenInstruction.Reallocate, extensionTypes }, data);
return new web3_js_1.TransactionInstruction({ keys, programId, data });
}
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