Delegeyi İptal Et

Temsilciyi İptal Etmek Ne İşe Yarar?

Bir temsilciyi iptal etmek, token hesabının mevcut temsilcisini temizler ve devredilen miktarı sıfıra sıfırlar.

İptal işleminden sonra, önceki temsilci artık token hesabı adına token transfer etme veya yakma yetkisine sahip olmaz.

Temsilci Nasıl İptal Edilir

Bir temsilciyi iptal etmek Token Program'ın Revoke talimatını kullanır.

Revoke talimatı, kaynak token hesabındaki temsilci alanlarını temizler. Token Program'da, token hesabı sahibi iptal işlemini imzalar. Token Extensions Program'da, mevcut temsilci de delegasyonu iptal edebilir.

Kaynak Referansı

ÖğeAçıklamaToken ProgramToken Extensions Program
AccountToken hesabı durumu, temsilci ve devredilen miktarı saklar.KaynakKaynak
RevokeBir token hesabından mevcut temsilciyi kaldıran bir talimat.KaynakKaynak
process_revokeTemsilci iptali için paylaşılan işlemci mantığı.KaynakKaynak

Typescript

Aşağıdaki Kit örnekleri, @solana/kit kullanılarak önerilen yaklaşımı göstermektedir. @solana/web3.js kullanan eski örnekler referans için eklenmiştir.

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 python3
import asyncio
import json
from solana.rpc.async_api import AsyncClient
from solders.keypair import Keypair
from solders.message import Message
from solders.pubkey import Pubkey
from solders.system_program import create_account, CreateAccountParams
from solders.transaction import Transaction
from spl.token.async_client import AsyncToken
from 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_ID
DECIMALS = 2
AMOUNT_TO_MINT = 100
AMOUNT_TO_APPROVE = 25
async 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 value
for 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.

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