위임자 취소란 무엇인가요?
위임자를 취소하면 토큰 계정의 현재 위임자가 삭제되고 위임된 수량이 0으로 재설정됩니다.
취소 후, 이전 위임자는 더 이상 토큰 계정을 대신하여 토큰을 전송하거나 소각할 권한이 없습니다.
위임자를 취소하는 방법
위임자 취소는 Token Program의 Revoke 명령어를 사용합니다.
Revoke 명령어는 소스 token account의 위임자 필드를 초기화합니다. Token
Program에서는 토큰 계정 소유자가 취소에 서명합니다. Token Extensions
Program에서는 현재 위임자도 위임을 취소할 수 있습니다.
소스 참조
| 항목 | 설명 | Token Program | Token Extensions Program |
|---|---|---|---|
Account | token account 상태는 위임자와 위임된 수량을 저장합니다. | 소스 | 소스 |
Revoke | token account에서 현재 위임자를 제거하는 명령어입니다. | 소스 | 소스 |
process_revoke | 위임자 취소를 위한 공유 프로세서 로직입니다. | 소스 | 소스 |
Typescript
아래 Kit 예제는 @solana/kit를 사용하는 권장 방식을 보여줍니다.
@solana/web3.js를 사용하는 레거시 예제는 참고용으로 포함되어 있습니다.
Kit
import { generateKeyPairSigner } from "@solana/kit";import { createLocalClient } from "@solana/kit-client-rpc";import {findAssociatedTokenPda,tokenProgram,TOKEN_PROGRAM_ADDRESS} from "@solana-program/token";const client = await createLocalClient().use(tokenProgram());const mint = await generateKeyPairSigner();const delegate = await generateKeyPairSigner();const [tokenAccount] = await findAssociatedTokenPda({mint: mint.address,owner: client.payer.address,tokenProgram: TOKEN_PROGRAM_ADDRESS});const result = await client.token.instructions.revoke({source: tokenAccount, // Token account whose delegate approval changes.owner: client.payer // Owner approving this delegate change.}).sendTransaction();const tokenAccountData = await client.token.accounts.token.fetch(tokenAccount);console.log("Mint Address:", mint.address);console.log("\nToken Account Address:", tokenAccount);console.log("Token Account:", tokenAccountData.data);console.log("\nDelegate Address:", delegate.address);console.log("\nTransaction Signature:", result.context.signature);
Console
Click to execute the code.
Web3.js
import { Connection, Keypair, LAMPORTS_PER_SOL } from "@solana/web3.js";import {createAssociatedTokenAccount,approveChecked,createMint,getAccount,mintToChecked,revoke,TOKEN_PROGRAM_ID} from "@solana/spl-token";const result = await revoke(connection, // Connection to the local validator.feePayer, // Account paying transaction fees.associatedTokenAccount, // Token account whose delegate approval changes.feePayer, // Owner approving this delegate change.[], // Additional multisig signers.{commitment: "confirmed" // Confirmation options for the transaction.},TOKEN_PROGRAM_ID // Token program to invoke.);const tokenAccountData = await getAccount(connection,associatedTokenAccount,"confirmed",TOKEN_PROGRAM_ID);console.log("Mint Address:", mintPubkey.toBase58());console.log("\nAssociated Token Account Address:",associatedTokenAccount.toBase58());console.log("Associated Token Account:", tokenAccountData);console.log("\nDelegate Address:", delegate.publicKey.toBase58());console.log("\nTransaction Signature:", result);
Console
Click to execute the code.
Rust
Rust
use anyhow::Result;use solana_client::nonblocking::rpc_client::RpcClient;use solana_commitment_config::CommitmentConfig;use solana_sdk::{program_pack::Pack,signature::{Keypair, Signer},transaction::Transaction,};use solana_system_interface::instruction::create_account;use spl_associated_token_account_interface::{address::get_associated_token_address, instruction::create_associated_token_account,};use spl_token_interface::{id as token_program_id,instruction::{approve_checked, initialize_mint, mint_to_checked, revoke},state::{Account, Mint},};#[tokio::main]async fn main() -> Result<()> {let client = RpcClient::new_with_commitment(String::from("http://localhost:8899"),CommitmentConfig::confirmed(),);let delegate = Keypair::new();let transaction = Transaction::new_signed_with_payer(&[revoke(&token_program_id(), // Token program to invoke.&associated_token_address, // Token account whose delegate approval changes.&fee_payer.pubkey(), // Owner approving this delegate change.&[], // Additional multisig signers.)?,],Some(&fee_payer.pubkey()),&[&fee_payer],latest_blockhash,);let transaction_signature = client.send_and_confirm_transaction(&transaction).await?;let token_account = client.get_account(&associated_token_address).await?;let token_data = Account::unpack(&token_account.data)?;println!("Mint Address: {}", mint.pubkey());println!("\nAssociated Token Account Address: {}",associated_token_address);println!("Associated Token Account: {:#?}", token_data);println!("\nDelegate Address: {}", delegate.pubkey());println!("\nTransaction Signature: {}", transaction_signature);Ok(())}
Console
Click to execute the code.
Python
Python
#!/usr/bin/env python3import asyncioimport jsonfrom solana.rpc.async_api import AsyncClientfrom solders.keypair import Keypairfrom solders.message import Messagefrom solders.pubkey import Pubkeyfrom solders.system_program import create_account, CreateAccountParamsfrom solders.transaction import Transactionfrom spl.token.async_client import AsyncTokenfrom spl.token.instructions import (approve_checked,ApproveCheckedParams,create_associated_token_account,get_associated_token_address,initialize_mint,InitializeMintParams,mint_to_checked,MintToCheckedParams,revoke,RevokeParams,)from spl.token.constants import MINT_LEN, TOKEN_PROGRAM_IDDECIMALS = 2AMOUNT_TO_MINT = 100AMOUNT_TO_APPROVE = 25async def main():rpc = AsyncClient("http://localhost:8899")delegate = Keypair()async with rpc:revoke_delegate_instruction = revoke(RevokeParams(program_id=TOKEN_PROGRAM_ID, # Token program to invoke.account=token_account_address, # Token account whose delegate approval changes.owner=fee_payer.pubkey(), # Account that owns the token account.))latest_blockhash = await rpc.get_latest_blockhash()transaction = Transaction([fee_payer],Message([revoke_delegate_instruction], fee_payer.pubkey()),latest_blockhash.value.blockhash,)result = await rpc.send_transaction(transaction)token_account_info = await token.get_account_info(token_account_address)token_account = {key: str(value) if isinstance(value, Pubkey) else valuefor key, value in token_account_info._asdict().items()}print("Mint Address:", mint.pubkey())print("\nToken Account Address:", token_account_address)print("Token Account:")print(json.dumps(token_account, indent=2))print("\nDelegate Address:", delegate.pubkey())print("\nTransaction Signature:", result.value)if __name__ == "__main__":asyncio.run(main())
Console
Click to execute the code.
Is this page helpful?