Solana DokümantasyonuSolana'daki tokenlerTemel Bilgiler

Temsilciyi İptal Et

Temsilciyi nasıl iptal edersiniz

Revoke talimatı, şu anda onaylanmış temsilciden tüm transfer izinlerini kaldırır. İptal işleminden sonra, temsilci artık hesabınızdan herhangi bir token aktaramaz. Yalnızca token account sahibi bir temsilciyi iptal edebilir.

Token Programı ve Token Extensions Programı aynı işlevselliği sağlamak için benzer uygulamalara sahiptir.

Typescript

import {

  airdropFactory,

  appendTransactionMessageInstructions,

  createSolanaRpc,

  createSolanaRpcSubscriptions,

  createTransactionMessage,

  generateKeyPairSigner,

  getSignatureFromTransaction,

  lamports,

  pipe,

  sendAndConfirmTransactionFactory,

  setTransactionMessageFeePayerSigner,

  setTransactionMessageLifetimeUsingBlockhash,

  signTransactionMessageWithSigners

} from "@solana/kit";

import { getCreateAccountInstruction } from "@solana-program/system";

import {

  getCreateAssociatedTokenInstructionAsync,

  getInitializeMintInstruction,

  getMintSize,

  TOKEN_PROGRAM_ADDRESS,

  findAssociatedTokenPda,

  getMintToInstruction,

  getApproveCheckedInstruction,

  getRevokeInstruction

} from "@solana-program/token";



// Create Connection, local validator in this example

const rpc = createSolanaRpc("http://localhost:8899");

const rpcSubscriptions = createSolanaRpcSubscriptions("ws://localhost:8900");



// Generate keypairs for fee payer and delegate

const feePayer = await generateKeyPairSigner();

const delegate = await generateKeyPairSigner();



// Fund fee payer

await airdropFactory({ rpc, rpcSubscriptions })({

  recipientAddress: feePayer.address,

  lamports: lamports(1_000_000_000n),

  commitment: "confirmed"

});



// Generate keypair to use as address of mint

const mint = await generateKeyPairSigner();



// Get default mint account size (in bytes), no extensions enabled

const space = BigInt(getMintSize());



// Get minimum balance for rent exemption

const rent = await rpc.getMinimumBalanceForRentExemption(space).send();



// Get latest blockhash to include in transaction

const { value: latestBlockhash } = await rpc.getLatestBlockhash().send();



// Instruction to create new account for mint (token program)

// Invokes the system program

const createAccountInstruction = getCreateAccountInstruction({

  payer: feePayer,

  newAccount: mint,

  lamports: rent,

  space,

  programAddress: TOKEN_PROGRAM_ADDRESS

});



// Instruction to initialize mint account data

// Invokes the token program

const initializeMintInstruction = getInitializeMintInstruction({

  mint: mint.address,

  decimals: 9,

  mintAuthority: feePayer.address

});



// Use findAssociatedTokenPda to derive the ATA address

const [associatedTokenAddress] = await findAssociatedTokenPda({

  mint: mint.address,

  owner: feePayer.address,

  tokenProgram: TOKEN_PROGRAM_ADDRESS

});



// Create instruction to create the associated token account

const createAtaInstruction = await getCreateAssociatedTokenInstructionAsync({

  payer: feePayer,

  mint: mint.address,

  owner: feePayer.address

});



// Create instruction to mint tokens

const mintToInstruction = getMintToInstruction({

  mint: mint.address,

  token: associatedTokenAddress,

  mintAuthority: feePayer.address,

  amount: 1000_000_000_000n // 1000.0 tokens with 9 decimals

});



// Create instruction to approve delegate

const approveInstruction = getApproveCheckedInstruction({

  source: associatedTokenAddress,

  mint: mint.address,

  delegate: delegate.address,

  owner: feePayer,

  amount: 1_000_000_000n, // 1.0 tokens with 9 decimals

  decimals: 9

});



const instructions = [

  createAccountInstruction,

  initializeMintInstruction,

  createAtaInstruction,

  mintToInstruction,

  approveInstruction

];



// Create transaction message

const transactionMessage = pipe(

  createTransactionMessage({ version: 0 }),

  (tx) => setTransactionMessageFeePayerSigner(feePayer, tx),

  (tx) => setTransactionMessageLifetimeUsingBlockhash(latestBlockhash, tx),

  (tx) => appendTransactionMessageInstructions(instructions, tx)

);



// Sign transaction message with all required signers

const signedTransaction =

  await signTransactionMessageWithSigners(transactionMessage);



// Send and confirm transaction

await sendAndConfirmTransactionFactory({ rpc, rpcSubscriptions })(

  signedTransaction,

  { commitment: "confirmed" }

);



// Get transaction signature

const transactionSignature = getSignatureFromTransaction(signedTransaction);



console.log("\nMint Address:", mint.address.toString());

console.log(

  "Associated Token Account Address:",

  associatedTokenAddress.toString()

);

console.log("\nDelegate Address:", delegate.address.toString());

console.log("Successfully approved delegate to transfer 1.0 tokens");

console.log("Transaction Signature:", transactionSignature);



// Get a fresh blockhash for the revoke transaction

const { value: revokeBlockhash } = await rpc.getLatestBlockhash().send();



// Create instruction to revoke delegate

const revokeInstruction = getRevokeInstruction({

  source: associatedTokenAddress,

  owner: feePayer

});



// Create transaction message for revoke

const revokeTxMessage = pipe(

  createTransactionMessage({ version: 0 }),

  (tx) => setTransactionMessageFeePayerSigner(feePayer, tx),

  (tx) => setTransactionMessageLifetimeUsingBlockhash(revokeBlockhash, tx),

  (tx) => appendTransactionMessageInstructions([revokeInstruction], tx)

);



// Sign transaction message with all required signers

const signedRevokeTx = await signTransactionMessageWithSigners(revokeTxMessage);



// Send and confirm transaction

await sendAndConfirmTransactionFactory({ rpc, rpcSubscriptions })(

  signedRevokeTx,

  { commitment: "confirmed" }

);



// Get transaction signature

const transactionSignature2 = getSignatureFromTransaction(signedRevokeTx);



console.log("\nSuccessfully revoked delegation from the token account");

console.log("Transaction Signature:", transactionSignature2);
Console
Click to execute the code.

Rust

use anyhow::Result;

use solana_client::nonblocking::rpc_client::RpcClient;

use solana_sdk::{

    commitment_config::CommitmentConfig,

    program_pack::Pack,

    signature::{Keypair, Signer},

    system_instruction::create_account,

    transaction::Transaction,

};

use spl_associated_token_account::{

    get_associated_token_address_with_program_id, instruction::create_associated_token_account,

};

use spl_token::{

    id as token_program_id,

    instruction::{initialize_mint, mint_to, approve_checked, revoke},

    state::Mint,

};



#[tokio::main]

async fn main() -> Result<()> {

    // Create connection to local validator

    let client = RpcClient::new_with_commitment(

        String::from("http://localhost:8899"),

        CommitmentConfig::confirmed(),

    );

    let latestBlockhash = client.get_latest_blockhash().await?;



    // Generate a new keypair for the fee payer

    let fee_payer = Keypair::new();



    // Generate a keypair for the delegate

    let delegate = Keypair::new();



    // Airdrop 1 SOL to fee payer

    let airdrop_signature = client

        .request_airdrop(&fee_payer.pubkey(), 1_000_000_000)

        .await?;

    client.confirm_transaction(&airdrop_signature).await?;



    loop {

        let confirmed = client.confirm_transaction(&airdrop_signature).await?;

        if confirmed {

            break;

        }

    }



    // Generate keypair to use as address of mint

    let mint = Keypair::new();



    // Get default mint account size (in bytes), no extensions enabled

    let mint_space = Mint::LEN;

    let mint_rent = client

        .get_minimum_balance_for_rent_exemption(mint_space)

        .await?;



    // Instruction to create new account for mint (token program)

    let create_account_instruction = create_account(

        &fee_payer.pubkey(),      // payer

        &mint.pubkey(),           // new account (mint)

        mint_rent,                // lamports

        mint_space as u64,        // space

        &token_program_id(), // program id

    );



    // Instruction to initialize mint account data

    let initialize_mint_instruction = initialize_mint(

        &token_program_id(),

        &mint.pubkey(),            // mint

        &fee_payer.pubkey(),       // mint authority

        Some(&fee_payer.pubkey()), // freeze authority

        9,                         // decimals

    )?;



    // Calculate the associated token account address for fee_payer

    let associated_token_address = get_associated_token_address_with_program_id(

        &fee_payer.pubkey(),      // owner

        &mint.pubkey(),           // mint

        &token_program_id(), // program_id

    );



    // Instruction to create associated token account

    let create_ata_instruction = create_associated_token_account(

        &fee_payer.pubkey(),      // funding address

        &fee_payer.pubkey(),      // wallet address

        &mint.pubkey(),           // mint address

        &token_program_id(), // program id

    );



    // Amount of tokens to mint (1000 tokens with 9 decimals)

    let amount = 1000_000_000_000;



    // Create mint_to instruction to mint tokens to the associated token account

    let mint_to_instruction = mint_to(

        &token_program_id(),

        &mint.pubkey(),           // mint

        &associated_token_address, // destination

        &fee_payer.pubkey(),      // authority

        &[&fee_payer.pubkey()],   // signer

        amount,                   // amount

    )?;



    // Amount of tokens to approve (1 token with 9 decimals)

    let approve_amount = 1_000_000_000;



    // Create approve_checked instruction

    let approve_instruction = approve_checked(

        &token_program_id(), // program id

        &associated_token_address,  // source token account

        &mint.pubkey(),            // mint

        &delegate.pubkey(),        // delegate

        &fee_payer.pubkey(),       // owner

        &[&fee_payer.pubkey()],    // signers

        approve_amount,            // amount

        9,                         // decimals

    )?;



    // Create transaction and add instructions

    let transaction = Transaction::new_signed_with_payer(

        &[

            create_account_instruction,

            initialize_mint_instruction,

            create_ata_instruction,

            mint_to_instruction,

            approve_instruction,

        ],

        Some(&fee_payer.pubkey()),

        &[&fee_payer, &mint],

        latestBlockhash,

    );



    // Send and confirm transaction

    let transaction_signature = client.send_and_confirm_transaction(&transaction).await?;



    println!("Mint Address: {}", mint.pubkey());

    println!(

        "Associated Token Account Address: {}",

        associated_token_address

    );

    println!("\nDelegate Address: {}", delegate.pubkey());

    println!("Successfully approved delegate to transfer 1.0 tokens");

    println!("Transaction Signature: {}", transaction_signature);



    // Get the latest blockhash for the revoke transaction

    let latestBlockhash = client.get_latest_blockhash().await?;



    // Create revoke instruction

    let revoke_instruction = revoke(

        &token_program_id(), // program id

        &associated_token_address,  // source token account

        &fee_payer.pubkey(),       // owner

        &[&fee_payer.pubkey()],    // signers

    )?;



    // Create transaction for revoking delegation

    let transaction = Transaction::new_signed_with_payer(

        &[revoke_instruction],

        Some(&fee_payer.pubkey()),

        &[&fee_payer],

        latestBlockhash,

    );



    // Send and confirm transaction

    let transaction_signature = client.send_and_confirm_transaction(&transaction).await?;



    println!(

        "\nSuccessfully revoked delegation from the token account"

    );

    println!("Transaction Signature: {}", transaction_signature);



    Ok(())

}
Console
Click to execute the code.

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