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Текущая директория: /opt/BitGoJS/node_modules/@solana/spl-token/lib/cjs/instructions
Просмотр файла: closeAccount.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.decodeCloseAccountInstructionUnchecked = exports.decodeCloseAccountInstruction = exports.createCloseAccountInstruction = exports.closeAccountInstructionData = void 0;
const buffer_layout_1 = require("@solana/buffer-layout");
const web3_js_1 = require("@solana/web3.js");
const constants_1 = require("../constants");
const errors_1 = require("../errors");
const internal_1 = require("./internal");
const types_1 = require("./types");
/** TODO: docs */
exports.closeAccountInstructionData = (0, buffer_layout_1.struct)([(0, buffer_layout_1.u8)('instruction')]);
/**
* Construct a CloseAccount instruction
*
* @param account Account to close
* @param destination Account to receive the remaining balance of the closed account
* @param authority Account close authority
* @param multiSigners Signing accounts if `authority` is a multisig
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
function createCloseAccountInstruction(account, destination, authority, multiSigners = [], programId = constants_1.TOKEN_PROGRAM_ID) {
const keys = (0, internal_1.addSigners)([
{ pubkey: account, isSigner: false, isWritable: true },
{ pubkey: destination, isSigner: false, isWritable: true },
], authority, multiSigners);
const data = Buffer.alloc(exports.closeAccountInstructionData.span);
exports.closeAccountInstructionData.encode({ instruction: types_1.TokenInstruction.CloseAccount }, data);
return new web3_js_1.TransactionInstruction({ keys, programId, data });
}
exports.createCloseAccountInstruction = createCloseAccountInstruction;
/**
* Decode a CloseAccount instruction and validate it
*
* @param instruction Transaction instruction to decode
* @param programId SPL Token program account
*
* @return Decoded, valid instruction
*/
function decodeCloseAccountInstruction(instruction, programId = constants_1.TOKEN_PROGRAM_ID) {
if (!instruction.programId.equals(programId))
throw new errors_1.TokenInvalidInstructionProgramError();
if (instruction.data.length !== exports.closeAccountInstructionData.span)
throw new errors_1.TokenInvalidInstructionDataError();
const { keys: { account, destination, authority, multiSigners }, data, } = decodeCloseAccountInstructionUnchecked(instruction);
if (data.instruction !== types_1.TokenInstruction.CloseAccount)
throw new errors_1.TokenInvalidInstructionTypeError();
if (!account || !destination || !authority)
throw new errors_1.TokenInvalidInstructionKeysError();
// TODO: key checks?
return {
programId,
keys: {
account,
destination,
authority,
multiSigners,
},
data,
};
}
exports.decodeCloseAccountInstruction = decodeCloseAccountInstruction;
/**
* Decode a CloseAccount instruction without validating it
*
* @param instruction Transaction instruction to decode
*
* @return Decoded, non-validated instruction
*/
function decodeCloseAccountInstructionUnchecked({ programId, keys: [account, destination, authority, ...multiSigners], data, }) {
return {
programId,
keys: {
account,
destination,
authority,
multiSigners,
},
data: exports.closeAccountInstructionData.decode(data),
};
}
exports.decodeCloseAccountInstructionUnchecked = decodeCloseAccountInstructionUnchecked;
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