@solana/spl-token
Version:
SPL Token Program JS API
76 lines • 3.13 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.initializeImmutableOwnerInstructionData = void 0;
exports.createInitializeImmutableOwnerInstruction = createInitializeImmutableOwnerInstruction;
exports.decodeInitializeImmutableOwnerInstruction = decodeInitializeImmutableOwnerInstruction;
exports.decodeInitializeImmutableOwnerInstructionUnchecked = decodeInitializeImmutableOwnerInstructionUnchecked;
const buffer_layout_1 = require("@solana/buffer-layout");
const web3_js_1 = require("@solana/web3.js");
const errors_js_1 = require("../errors.js");
const types_js_1 = require("./types.js");
/** The struct that represents the instruction data as it is read by the program */
exports.initializeImmutableOwnerInstructionData = (0, buffer_layout_1.struct)([
(0, buffer_layout_1.u8)('instruction'),
]);
/**
* Construct an InitializeImmutableOwner instruction
*
* @param account Immutable Owner Account
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
function createInitializeImmutableOwnerInstruction(account, programId) {
const keys = [{ pubkey: account, isSigner: false, isWritable: true }];
const data = Buffer.alloc(exports.initializeImmutableOwnerInstructionData.span);
exports.initializeImmutableOwnerInstructionData.encode({
instruction: types_js_1.TokenInstruction.InitializeImmutableOwner,
}, data);
return new web3_js_1.TransactionInstruction({ keys, programId, data });
}
/**
* Decode an InitializeImmutableOwner instruction and validate it
*
* @param instruction InitializeImmutableOwner instruction to decode
* @param programId SPL Token program account
*
* @return Decoded, valid instruction
*/
function decodeInitializeImmutableOwnerInstruction(instruction, programId) {
if (!instruction.programId.equals(programId))
throw new errors_js_1.TokenInvalidInstructionProgramError();
if (instruction.data.length !== exports.initializeImmutableOwnerInstructionData.span)
throw new errors_js_1.TokenInvalidInstructionDataError();
const { keys: { account }, data, } = decodeInitializeImmutableOwnerInstructionUnchecked(instruction);
if (data.instruction !== types_js_1.TokenInstruction.InitializeImmutableOwner)
throw new errors_js_1.TokenInvalidInstructionTypeError();
if (!account)
throw new errors_js_1.TokenInvalidInstructionKeysError();
return {
programId,
keys: {
account,
},
data,
};
}
/**
* Decode an InitializeImmutableOwner instruction without validating it
*
* @param instruction Transaction instruction to decode
*
* @return Decoded, non-validated instruction
*/
function decodeInitializeImmutableOwnerInstructionUnchecked({ programId, keys: [account], data, }) {
const { instruction } = exports.initializeImmutableOwnerInstructionData.decode(data);
return {
programId,
keys: {
account: account,
},
data: {
instruction,
},
};
}
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