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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@solana/spl-token/lib/cjs/instructions
Просмотр файла: setAuthority.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.decodeSetAuthorityInstructionUnchecked = exports.decodeSetAuthorityInstruction = exports.createSetAuthorityInstruction = exports.setAuthorityInstructionData = exports.AuthorityType = void 0;
const buffer_layout_1 = require("@solana/buffer-layout");
const buffer_layout_utils_1 = require("@solana/buffer-layout-utils");
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");
/** Authority types defined by the program */
var AuthorityType;
(function (AuthorityType) {
AuthorityType[AuthorityType["MintTokens"] = 0] = "MintTokens";
AuthorityType[AuthorityType["FreezeAccount"] = 1] = "FreezeAccount";
AuthorityType[AuthorityType["AccountOwner"] = 2] = "AccountOwner";
AuthorityType[AuthorityType["CloseAccount"] = 3] = "CloseAccount";
})(AuthorityType = exports.AuthorityType || (exports.AuthorityType = {}));
/** TODO: docs */
exports.setAuthorityInstructionData = (0, buffer_layout_1.struct)([
(0, buffer_layout_1.u8)('instruction'),
(0, buffer_layout_1.u8)('authorityType'),
(0, buffer_layout_1.u8)('newAuthorityOption'),
(0, buffer_layout_utils_1.publicKey)('newAuthority'),
]);
/**
* Construct a SetAuthority instruction
*
* @param account Address of the token account
* @param currentAuthority Current authority of the specified type
* @param authorityType Type of authority to set
* @param newAuthority New authority of the account
* @param multiSigners Signing accounts if `currentAuthority` is a multisig
* @param programId SPL Token program account
*
* @return Instruction to add to a transaction
*/
function createSetAuthorityInstruction(account, currentAuthority, authorityType, newAuthority, multiSigners = [], programId = constants_1.TOKEN_PROGRAM_ID) {
const keys = (0, internal_1.addSigners)([{ pubkey: account, isSigner: false, isWritable: true }], currentAuthority, multiSigners);
const data = Buffer.alloc(exports.setAuthorityInstructionData.span);
exports.setAuthorityInstructionData.encode({
instruction: types_1.TokenInstruction.SetAuthority,
authorityType,
newAuthorityOption: newAuthority ? 1 : 0,
newAuthority: newAuthority || new web3_js_1.PublicKey(0),
}, data);
return new web3_js_1.TransactionInstruction({ keys, programId, data });
}
exports.createSetAuthorityInstruction = createSetAuthorityInstruction;
/**
* Decode a SetAuthority instruction and validate it
*
* @param instruction Transaction instruction to decode
* @param programId SPL Token program account
*
* @return Decoded, valid instruction
*/
function decodeSetAuthorityInstruction(instruction, programId = constants_1.TOKEN_PROGRAM_ID) {
if (!instruction.programId.equals(programId))
throw new errors_1.TokenInvalidInstructionProgramError();
if (instruction.data.length !== exports.setAuthorityInstructionData.span)
throw new errors_1.TokenInvalidInstructionDataError();
const { keys: { account, currentAuthority, multiSigners }, data, } = decodeSetAuthorityInstructionUnchecked(instruction);
if (data.instruction !== types_1.TokenInstruction.SetAuthority)
throw new errors_1.TokenInvalidInstructionTypeError();
if (!account || !currentAuthority)
throw new errors_1.TokenInvalidInstructionKeysError();
// TODO: key checks?
return {
programId,
keys: {
account,
currentAuthority,
multiSigners,
},
data,
};
}
exports.decodeSetAuthorityInstruction = decodeSetAuthorityInstruction;
/**
* Decode a SetAuthority instruction without validating it
*
* @param instruction Transaction instruction to decode
*
* @return Decoded, non-validated instruction
*/
function decodeSetAuthorityInstructionUnchecked({ programId, keys: [account, currentAuthority, ...multiSigners], data, }) {
const { instruction, authorityType, newAuthorityOption, newAuthority } = exports.setAuthorityInstructionData.decode(data);
return {
programId,
keys: {
account,
currentAuthority,
multiSigners,
},
data: {
instruction,
authorityType,
newAuthority: newAuthorityOption ? newAuthority : null,
},
};
}
exports.decodeSetAuthorityInstructionUnchecked = decodeSetAuthorityInstructionUnchecked;
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