@solana/spl-token
Version:
SPL Token Program JS API
81 lines • 3.85 kB
JavaScript
import { struct, u8 } from '@solana/buffer-layout';
import { publicKey } from '@solana/buffer-layout-utils';
import { PublicKey, TransactionInstruction } from '@solana/web3.js';
import { TOKEN_2022_PROGRAM_ID, programSupportsExtensions } from '../../constants.js';
import { TokenUnsupportedInstructionError } from '../../errors.js';
import { TokenInstruction } from '../../instructions/types.js';
import { addSigners } from '../../instructions/internal.js';
export var PausableInstruction;
(function (PausableInstruction) {
PausableInstruction[PausableInstruction["Initialize"] = 0] = "Initialize";
PausableInstruction[PausableInstruction["Pause"] = 1] = "Pause";
PausableInstruction[PausableInstruction["Resume"] = 2] = "Resume";
})(PausableInstruction || (PausableInstruction = {}));
export const initializePausableConfigInstructionData = struct([
u8('instruction'),
u8('pausableInstruction'),
publicKey('authority'),
]);
/**
* Construct a InitializePausableConfig instruction
*
* @param mint Token mint account
* @param authority Optional authority that can pause or resume mint
* @param programId SPL Token program account
*/
export function createInitializePausableConfigInstruction(mint, authority, programId = TOKEN_2022_PROGRAM_ID) {
if (!programSupportsExtensions(programId)) {
throw new TokenUnsupportedInstructionError();
}
const keys = [{ pubkey: mint, isSigner: false, isWritable: true }];
const data = Buffer.alloc(initializePausableConfigInstructionData.span);
initializePausableConfigInstructionData.encode({
instruction: TokenInstruction.PausableExtension,
pausableInstruction: PausableInstruction.Initialize,
authority: authority ?? PublicKey.default,
}, data);
return new TransactionInstruction({ keys, programId, data: data });
}
export const pauseInstructionData = struct([u8('instruction'), u8('pausableInstruction')]);
/**
* Construct a Pause instruction
*
* @param mint Token mint account
* @param authority The pausable mint's authority
* @param multiSigners Signing accounts if authority is a multisig
* @param programId SPL Token program account
*/
export function createPauseInstruction(mint, authority, multiSigners = [], programId = TOKEN_2022_PROGRAM_ID) {
if (!programSupportsExtensions(programId)) {
throw new TokenUnsupportedInstructionError();
}
const keys = addSigners([{ pubkey: mint, isSigner: false, isWritable: true }], authority, multiSigners);
const data = Buffer.alloc(pauseInstructionData.span);
pauseInstructionData.encode({
instruction: TokenInstruction.PausableExtension,
pausableInstruction: PausableInstruction.Pause,
}, data);
return new TransactionInstruction({ keys, programId, data: data });
}
export const resumeInstructionData = struct([u8('instruction'), u8('pausableInstruction')]);
/**
* Construct a Resume instruction
*
* @param mint Token mint account
* @param authority The pausable mint's authority
* @param multiSigners Signing accounts if authority is a multisig
* @param programId SPL Token program account
*/
export function createResumeInstruction(mint, authority, multiSigners = [], programId = TOKEN_2022_PROGRAM_ID) {
if (!programSupportsExtensions(programId)) {
throw new TokenUnsupportedInstructionError();
}
const keys = addSigners([{ pubkey: mint, isSigner: false, isWritable: true }], authority, multiSigners);
const data = Buffer.alloc(resumeInstructionData.span);
resumeInstructionData.encode({
instruction: TokenInstruction.PausableExtension,
pausableInstruction: PausableInstruction.Resume,
}, data);
return new TransactionInstruction({ keys, programId, data: data });
}
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