Solana-dokumentaatioTokenit SolanassaPerusteet

Luo token account

Mikä on token account?

Token account tallentaa saldosi tietystä tokenista. Jokainen token account on yhdistetty täsmälleen yhteen minttiin ja seuraa token-saldoasi sekä muita tietoja.

Token Account Type
/// Account data.

#[repr(C)]

#[derive(Clone, Copy, Debug, Default, PartialEq)]

pub struct Account {

    /// The mint associated with this account

    pub mint: Pubkey,

    /// The owner of this account.

    pub owner: Pubkey,

    /// The amount of tokens this account holds.

    pub amount: u64,

    /// If `delegate` is `Some` then `delegated_amount` represents

    /// the amount authorized by the delegate

    pub delegate: COption<Pubkey>,

    /// The account's state

    pub state: AccountState,

    /// If `is_native.is_some`, this is a native token, and the value logs the

    /// rent-exempt reserve. An Account is required to be rent-exempt, so

    /// the value is used by the Processor to ensure that wrapped SOL

    /// accounts do not drop below this threshold.

    pub is_native: COption<u64>,

    /// The amount delegated

    pub delegated_amount: u64,

    /// Optional authority to close the account.

    pub close_authority: COption<Pubkey>,

}

Huomaa, että lähdekoodissa kehittäjät kutsuvat token accountia Account -tyypiksi. Sekä Token Program että Token Extension Program jakavat saman perusimplementaation token accountille.

Pitääksesi hallussasi tokeneita tarvitset token accountin kyseiselle mintille. Jokainen token account seuraa:

  1. Mint: Tietty tokenityyppi, jota se sisältää
  2. Owner: Auktoriteetti, joka voi siirtää tokeneita tältä tililtä

Esimerkki: USD Coin (USDC)

  • Mint-osoite: EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v
  • Circlen token account: 3emsAVdmGKERbHjmGfQ6oZ1e35dkf5iYcS6U4CPKFVaa
  • Tämä tili sisältää vain USDC-tokeneita
  • Circle hallitsee tokeneita token accountin omistajan auktoriteetin kautta: 7VHUFJHWu2CuExkJcJrzhQPJ2oygupTWkL2A2For4BmE

Voit tarkastella tämän token accountin tietoja Solana Explorerissa.

"Owner"-terminologian ymmärtäminen

Termiä "owner" voidaan käyttää kahdessa eri yhteydessä:

  1. Token Account Owner: Auktoriteetti, joka voi siirtää, polttaa tai delegoida tokeneita. Tämä on tallennettu token accountin tietoihin.

  2. Program Owner: Ohjelma, joka omistaa tilin (aina Token Program tai Token Extension Program token accountien kohdalla).

Kun työskennellään token accountien kanssa, "owner" viittaa tyypillisesti auktoriteettiin, joka voi siirtää tokeneita, ei ohjelmaan, joka omistaa tilin.

Mikä on Associated Token Account?

Associated token account (ATA) on lompakon oletusarvoinen token account tietyn tokenin säilyttämiseen. Se käyttää determinististä osoitetta (PDA), jonka luo Associated Token Program.

Vain Associated Token Programin luomia token accounteja kutsutaan "associated token accounteiksi."

ATA:t käyttävät deterministisiä osoitteita, mikä tekee minkä tahansa lompakon token accountin löytämisestä helppoa tietylle mintille. Katso johtamisen toteutus täältä.

Associated Token Account Address Derivation
pub fn get_associated_token_address_and_bump_seed_internal(

    wallet_address: &Pubkey,

    token_mint_address: &Pubkey,

    program_id: &Pubkey,

    token_program_id: &Pubkey,

) -> (Pubkey, u8) {

    Pubkey::find_program_address(

        &[

            &wallet_address.to_bytes(), // Owner's public key

            &token_program_id.to_bytes(), // Token Program or Token Extension Program

            &token_mint_address.to_bytes(), // Token mint address

        ],

        program_id, // Associated Token Program ID

    )

}

Jokaiselle lompakko- ja token-yhdistelmälle on täsmälleen yksi ATA-osoite. Tämä poistaa tarpeen seurata token account -osoitteita manuaalisesti—voit aina johtaa oikean osoitteen.

Miten Associated Token Program toimii

Associated Token Program on apuohjelma, joka:

  • Luo token accounteja deterministisiin osoitteisiin (PDA:t)
  • Tekee Cross-Program Invocation -kutsuja (CPI:t) Token Programille
  • Ei ylläpidä mitään tilaa itsessään

Luodut token accountit ovat Token Programin omistamia ja käyttävät standardia Account rakennetta.

Miten luoda token account

Token accountin luominen vaatii InitializeAccount ohjeen. Katso toteutus täältä.

Tarvitset kaksi ohjetta token accountin luomiseen:

  1. System Program: Luo tili, jossa on varattu tila token accountille ja siirrä omistajuus Token Programille
  2. Token Program: Alusta token accountin tiedot

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 {

  getInitializeAccount2Instruction,

  getInitializeMintInstruction,

  getMintSize,

  getTokenSize,

  TOKEN_PROGRAM_ADDRESS

} from "@solana-program/token";



// Create Connection, local validator in this example

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

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



// Get latest blockhash to include in transaction

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



// Generate keypairs for fee payer

const feePayer = 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();



// 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: 2,

  mintAuthority: feePayer.address

});



const instructions = [createAccountInstruction, initializeMintInstruction];



// Create transaction message

const transactionMessage = pipe(

  createTransactionMessage({ version: 0 }), // Create transaction message

  (tx) => setTransactionMessageFeePayerSigner(feePayer, tx), // Set fee payer

  (tx) => setTransactionMessageLifetimeUsingBlockhash(latestBlockhash, tx), // Set transaction blockhash

  (tx) => appendTransactionMessageInstructions(instructions, tx) // Append instructions

);



// Sign transaction message with required signers (fee payer and mint keypair)

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("Mint Address:", mint.address);

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



// Generate keypair to use as address of token account

const tokenAccount = await generateKeyPairSigner();



// Get token account size (in bytes)

const tokenAccountSpace = BigInt(getTokenSize());



// Get minimum balance for rent exemption

const tokenAccountRent = await rpc

  .getMinimumBalanceForRentExemption(tokenAccountSpace)

  .send();



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

// Invokes the system program

const createTokenAccountInstruction = getCreateAccountInstruction({

  payer: feePayer,

  newAccount: tokenAccount,

  lamports: tokenAccountRent,

  space: tokenAccountSpace,

  programAddress: TOKEN_PROGRAM_ADDRESS

});



// Instruction to initialize token account data

// Invokes the token program

const initializeTokenAccountInstruction = getInitializeAccount2Instruction({

  account: tokenAccount.address,

  mint: mint.address,

  owner: feePayer.address

});



const instructions2 = [

  createTokenAccountInstruction,

  initializeTokenAccountInstruction

];



// Create transaction message for token account creation

const tokenAccountMessage = pipe(

  createTransactionMessage({ version: 0 }), // Create transaction message

  (tx) => setTransactionMessageFeePayerSigner(feePayer, tx), // Set fee payer

  (tx) => setTransactionMessageLifetimeUsingBlockhash(latestBlockhash, tx), // Set transaction blockhash

  (tx) => appendTransactionMessageInstructions(instructions2, tx) // Append instructions

);



// Sign transaction message with required signers (fee payer and token account keypair)

const signedTokenAccountTx =

  await signTransactionMessageWithSigners(tokenAccountMessage);



// Send and confirm transaction

await sendAndConfirmTransactionFactory({ rpc, rpcSubscriptions })(

  signedTokenAccountTx,

  { commitment: "confirmed" }

);



// Get transaction signature

const transactionSignature2 = getSignatureFromTransaction(signedTokenAccountTx);



console.log("Token Account Address:", tokenAccount.address);

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_token::{

    id as token_program_id,

    instruction::{initialize_account, initialize_mint},

    state::{Account, 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();



    // 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

        2,                         // decimals

    )?;



    // Create transaction and add instructions

    let transaction = Transaction::new_signed_with_payer(

        &[create_account_instruction, initialize_mint_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!("Transaction Signature: {}", transaction_signature);



    // Generate keypair to use as address of token account

    let token_account = Keypair::new();



    // Get token account size (in bytes)

    let token_account_space = Account::LEN;

    let token_account_rent = client

        .get_minimum_balance_for_rent_exemption(token_account_space)

        .await?;



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

    let create_token_account_instruction = create_account(

        &fee_payer.pubkey(),        // payer

        &token_account.pubkey(),    // new account (token account)

        token_account_rent,         // lamports

        token_account_space as u64, // space

        &token_program_id(),   // program id

    );



    // Instruction to initialize token account data

    let initialize_token_account_instruction = initialize_account(

        &token_program_id(),

        &token_account.pubkey(), // account

        &mint.pubkey(),          // mint

        &fee_payer.pubkey(),     // owner

    )?;



    // Create transaction and add instructions

    let transaction = Transaction::new_signed_with_payer(

        &[

            create_token_account_instruction,

            initialize_token_account_instruction,

        ],

        Some(&fee_payer.pubkey()),

        &[&fee_payer, &token_account],

        latestBlockhash,

    );



    // Send and confirm transaction

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



    println!("Token Account Address: {}", token_account.pubkey());

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



    Ok(())

}
Console
Click to execute the code.

Miten luoda associated token account

Associated Token Accountin (ATA) luominen vaatii Create ohjeen. Katso toteutus täältä.

Tämä yksittäinen ohje käsittelee automaattisesti token accountin luomisen ja sen alustamisen Cross Program Invocation (CPI) -kutsujen kautta.

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

} 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

const feePayer = 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: 2,

  mintAuthority: feePayer.address

});



const instructions = [createAccountInstruction, initializeMintInstruction];



// 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("Mint Address:", mint.address.toString());

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



// Use findAssociatedTokenPda to derive the ATA address

const [associatedTokenAddress] = await findAssociatedTokenPda({

  mint: mint.address,

  owner: feePayer.address,

  tokenProgram: TOKEN_PROGRAM_ADDRESS

});



console.log(

  "Associated Token Account Address:",

  associatedTokenAddress.toString()

);



// Get a fresh blockhash for the second transaction

const { value: latestBlockhash2 } = await rpc.getLatestBlockhash().send();



// Create instruction to create the associated token account

const createAtaInstruction = await getCreateAssociatedTokenInstructionAsync({

  payer: feePayer,

  mint: mint.address,

  owner: feePayer.address

});



// Create transaction message

const transactionMessage2 = pipe(

  createTransactionMessage({ version: 0 }),

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

  (tx) => setTransactionMessageLifetimeUsingBlockhash(latestBlockhash2, tx),

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

);



// Sign transaction message with all required signers

const signedTransaction2 =

  await signTransactionMessageWithSigners(transactionMessage2);



// Send and confirm transaction

await sendAndConfirmTransactionFactory({ rpc, rpcSubscriptions })(

  signedTransaction2,

  { commitment: "confirmed" }

);



// Get transaction signature

const transactionSignature2 = getSignatureFromTransaction(signedTransaction2);

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, 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();



    // 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

        2,                         // decimals

    )?;



    // Create transaction and add instructions

    let transaction = Transaction::new_signed_with_payer(

        &[create_account_instruction, initialize_mint_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!("Transaction Signature: {}", transaction_signature);



    // Get the latest blockhash for the next transaction

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



    // Derive the associated token account address for fee_payer

    let associated_token_account = 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 (owner)

        &mint.pubkey(),           // mint address

        &token_program_id(), // program id

    );



    // Create transaction for associated token account creation

    let transaction = Transaction::new_signed_with_payer(

        &[create_ata_instruction],

        Some(&fee_payer.pubkey()),

        &[&fee_payer],

        latestBlockhash,

    );



    // Send and confirm transaction

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



    println!(

        "Associated Token Account Address: {}",

        associated_token_account.to_string()

    );

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



    Ok(())

}
Console
Click to execute the code.

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