Status Default

Apa Itu Status Akun Default?

Ekstensi mint DefaultAccountState pada Token Extensions Program menetapkan AccountState awal untuk setiap token account baru yang dibuat untuk mint tersebut.

Ini paling sering digunakan untuk membuat token account baru dimulai dalam status beku. Token account yang dimulai dalam status beku tidak dapat digunakan sampai freeze authority dari mint mencairkannya.

Cara Membuat Mint dengan Status Akun Default

Untuk membuat mint dengan status akun default:

  1. Hitung ukuran mint account dan rent yang diperlukan untuk mint dan ekstensi DefaultAccountState.
  2. Buat mint account dengan CreateAccount, inisialisasi DefaultAccountState, dan inisialisasi mint dengan InitializeMint.
  3. Buat token account untuk mint dan perhatikan bahwa setiap token account baru dimulai dalam status default saat ini.
  4. Gunakan UpdateDefaultAccountState untuk mengubah status yang seharusnya dimulai oleh token account di masa mendatang.

Hitung ukuran akun

Hitung ukuran mint account untuk mint dasar ditambah ekstensi DefaultAccountState. Ini adalah ukuran yang digunakan dalam CreateAccount.

Hitung rent

Hitung rent menggunakan ukuran yang diperlukan untuk mint ditambah ekstensi DefaultAccountState.

Buat mint account

Buat mint account dengan ruang dan lamport yang telah dihitung.

Example
const client = await createClient()
.use(generatedPayer())
.use(
solanaRpc({
rpcUrl: "http://localhost:8899",
rpcSubscriptionsUrl: "ws://localhost:8900"
})
)
.use(rpcAirdrop())
.use(airdropPayer(lamports(1_000_000_000n)));
const mint = await generateKeyPairSigner();
const recipient = await generateKeyPairSigner();
const defaultAccountStateExtension = extension("DefaultAccountState", {
state: AccountState.Frozen
});
const mintSpace = BigInt(getMintSize([defaultAccountStateExtension]));
const mintRent = await client.rpc
.getMinimumBalanceForRentExemption(mintSpace)
.send();
await client.sendTransaction([
getCreateAccountInstruction({
payer: client.payer,
newAccount: mint,
lamports: mintRent,
space: mintSpace,
programAddress: TOKEN_2022_PROGRAM_ADDRESS
})
]);

Inisialisasi DefaultAccountState

Inisialisasi ekstensi DefaultAccountState pada mint.

Example
const client = await createClient()
.use(generatedPayer())
.use(
solanaRpc({
rpcUrl: "http://localhost:8899",
rpcSubscriptionsUrl: "ws://localhost:8900"
})
)
.use(rpcAirdrop())
.use(airdropPayer(lamports(1_000_000_000n)));
const mint = await generateKeyPairSigner();
const recipient = await generateKeyPairSigner();
const defaultAccountStateExtension = extension("DefaultAccountState", {
state: AccountState.Frozen
});
const mintSpace = BigInt(getMintSize([defaultAccountStateExtension]));
const mintRent = await client.rpc
.getMinimumBalanceForRentExemption(mintSpace)
.send();
await client.sendTransaction([
getCreateAccountInstruction({
payer: client.payer,
newAccount: mint,
lamports: mintRent,
space: mintSpace,
programAddress: TOKEN_2022_PROGRAM_ADDRESS
}),
getInitializeDefaultAccountStateInstruction({
mint: mint.address,
state: AccountState.Frozen
})
]);

Inisialisasi mint

Inisialisasi mint dengan InitializeMint dalam transaksi yang sama.

Example
const client = await createClient()
.use(generatedPayer())
.use(
solanaRpc({
rpcUrl: "http://localhost:8899",
rpcSubscriptionsUrl: "ws://localhost:8900"
})
)
.use(rpcAirdrop())
.use(airdropPayer(lamports(1_000_000_000n)));
const mint = await generateKeyPairSigner();
const recipient = await generateKeyPairSigner();
const defaultAccountStateExtension = extension("DefaultAccountState", {
state: AccountState.Frozen
});
const mintSpace = BigInt(getMintSize([defaultAccountStateExtension]));
const mintRent = await client.rpc
.getMinimumBalanceForRentExemption(mintSpace)
.send();
await client.sendTransaction([
getCreateAccountInstruction({
payer: client.payer,
newAccount: mint,
lamports: mintRent,
space: mintSpace,
programAddress: TOKEN_2022_PROGRAM_ADDRESS
}),
getInitializeDefaultAccountStateInstruction({
mint: mint.address,
state: AccountState.Frozen
}),
getInitializeMintInstruction({
mint: mint.address,
decimals: 0,
mintAuthority: client.payer.address,
freezeAuthority: client.payer.address
})
]);

Buat token account

Buat token account untuk mint. Karena status default saat ini adalah Frozen, token account baru dimulai dalam keadaan frozen.

Example
const client = await createClient()
.use(generatedPayer())
.use(
solanaRpc({
rpcUrl: "http://localhost:8899",
rpcSubscriptionsUrl: "ws://localhost:8900"
})
)
.use(rpcAirdrop())
.use(airdropPayer(lamports(1_000_000_000n)));
const mint = await generateKeyPairSigner();
const recipient = await generateKeyPairSigner();
const defaultAccountStateExtension = extension("DefaultAccountState", {
state: AccountState.Frozen
});
const mintSpace = BigInt(getMintSize([defaultAccountStateExtension]));
const mintRent = await client.rpc
.getMinimumBalanceForRentExemption(mintSpace)
.send();
await client.sendTransaction([
getCreateAccountInstruction({
payer: client.payer,
newAccount: mint,
lamports: mintRent,
space: mintSpace,
programAddress: TOKEN_2022_PROGRAM_ADDRESS
}),
getInitializeDefaultAccountStateInstruction({
mint: mint.address,
state: AccountState.Frozen
}),
getInitializeMintInstruction({
mint: mint.address,
decimals: 0,
mintAuthority: client.payer.address,
freezeAuthority: client.payer.address
})
]);
const [tokenAccount] = await findAssociatedTokenPda({
mint: mint.address,
owner: recipient.address,
tokenProgram: TOKEN_2022_PROGRAM_ADDRESS
});
await client.sendTransaction([
await getCreateAssociatedTokenInstructionAsync({
payer: client.payer,
mint: mint.address,
owner: recipient.address
})
]);

Perbarui status default account

Gunakan UpdateDefaultAccountState untuk mengubah status default agar token account di masa mendatang tidak lagi dimulai dalam keadaan frozen.

Example
const client = await createClient()
.use(generatedPayer())
.use(
solanaRpc({
rpcUrl: "http://localhost:8899",
rpcSubscriptionsUrl: "ws://localhost:8900"
})
)
.use(rpcAirdrop())
.use(airdropPayer(lamports(1_000_000_000n)));
const mint = await generateKeyPairSigner();
const recipient = await generateKeyPairSigner();
const defaultAccountStateExtension = extension("DefaultAccountState", {
state: AccountState.Frozen
});
const mintSpace = BigInt(getMintSize([defaultAccountStateExtension]));
const mintRent = await client.rpc
.getMinimumBalanceForRentExemption(mintSpace)
.send();
await client.sendTransaction([
getCreateAccountInstruction({
payer: client.payer,
newAccount: mint,
lamports: mintRent,
space: mintSpace,
programAddress: TOKEN_2022_PROGRAM_ADDRESS
}),
getInitializeDefaultAccountStateInstruction({
mint: mint.address,
state: AccountState.Frozen
}),
getInitializeMintInstruction({
mint: mint.address,
decimals: 0,
mintAuthority: client.payer.address,
freezeAuthority: client.payer.address
})
]);
const [tokenAccount] = await findAssociatedTokenPda({
mint: mint.address,
owner: recipient.address,
tokenProgram: TOKEN_2022_PROGRAM_ADDRESS
});
await client.sendTransaction([
await getCreateAssociatedTokenInstructionAsync({
payer: client.payer,
mint: mint.address,
owner: recipient.address
})
]);
await client.sendTransaction([
getUpdateDefaultAccountStateInstruction({
mint: mint.address,
freezeAuthority: client.payer,
state: AccountState.Initialized
})
]);

Hitung ukuran akun

Hitung ukuran mint account untuk mint dasar ditambah ekstensi DefaultAccountState. Ini adalah ukuran yang digunakan dalam CreateAccount.

Hitung rent

Hitung rent menggunakan ukuran yang diperlukan untuk mint ditambah ekstensi DefaultAccountState.

Buat mint account

Buat mint account dengan ruang dan lamport yang telah dihitung.

Inisialisasi DefaultAccountState

Inisialisasi ekstensi DefaultAccountState pada mint.

Inisialisasi mint

Inisialisasi mint dengan InitializeMint dalam transaksi yang sama.

Buat token account

Buat token account untuk mint. Karena status default saat ini adalah Frozen, token account baru dimulai dalam keadaan frozen.

Perbarui status default account

Gunakan UpdateDefaultAccountState untuk mengubah status default agar token account di masa mendatang tidak lagi dimulai dalam keadaan frozen.

Example
const client = await createClient()
.use(generatedPayer())
.use(
solanaRpc({
rpcUrl: "http://localhost:8899",
rpcSubscriptionsUrl: "ws://localhost:8900"
})
)
.use(rpcAirdrop())
.use(airdropPayer(lamports(1_000_000_000n)));
const mint = await generateKeyPairSigner();
const recipient = await generateKeyPairSigner();
const defaultAccountStateExtension = extension("DefaultAccountState", {
state: AccountState.Frozen
});
const mintSpace = BigInt(getMintSize([defaultAccountStateExtension]));

Urutan Instruksi

DefaultAccountStateInstruction::Initialize harus dilakukan sebelum InitializeMint. CreateAccount, DefaultAccountStateInstruction::Initialize, dan InitializeMint harus disertakan dalam transaksi yang sama.

Referensi Sumber

ItemDeskripsiSumber
DefaultAccountStateEkstensi mint yang menyimpan status yang harus diwariskan oleh token account baru.Sumber
DefaultAccountStateInstruction::InitializeInstruksi yang menginisialisasi status default token account pada mint sebelum InitializeMint.Sumber
DefaultAccountStateInstruction::UpdateInstruksi yang memungkinkan freeze authority mengubah status default untuk token account di masa mendatang.Sumber
process_initialize_default_account_stateLogika processor yang menulis status default awal pada mint yang belum diinisialisasi.Sumber
process_update_default_account_stateLogika processor yang memverifikasi freeze authority sebelum mengubah status default yang tersimpan pada mint.Sumber

Typescript

Contoh Kit di bawah ini menggunakan instruksi yang dihasilkan secara langsung. Contoh legacy menggunakan @solana/web3.js dan @solana/spl-token disertakan sebagai referensi.

Kit

Instructions
import {
lamports,
createClient,
generateKeyPairSigner,
unwrapOption
} from "@solana/kit";
import { solanaRpc, rpcAirdrop } from "@solana/kit-plugin-rpc";
import { generatedPayer, airdropPayer } from "@solana/kit-plugin-signer";
import { getCreateAccountInstruction } from "@solana-program/system";
import {
AccountState,
extension,
fetchMint,
fetchToken,
findAssociatedTokenPda,
getCreateAssociatedTokenInstructionAsync,
getInitializeDefaultAccountStateInstruction,
getInitializeMintInstruction,
getMintSize,
getUpdateDefaultAccountStateInstruction,
isExtension,
TOKEN_2022_PROGRAM_ADDRESS
} from "@solana-program/token-2022";
const client = await createClient()
.use(generatedPayer())
.use(
solanaRpc({
rpcUrl: "http://localhost:8899",
rpcSubscriptionsUrl: "ws://localhost:8900"
})
)
.use(rpcAirdrop())
.use(airdropPayer(lamports(1_000_000_000n)));
const mint = await generateKeyPairSigner();
const getAccountStateLabel = (state: AccountState) => {
switch (state) {
case AccountState.Frozen:
return "Frozen";
case AccountState.Initialized:
return "Initialized";
default:
return "Uninitialized";
}
};
const defaultAccountStateExtension = extension("DefaultAccountState", {
state: AccountState.Frozen
});
const mintSpace = BigInt(getMintSize([defaultAccountStateExtension]));
const mintRent = await client.rpc
.getMinimumBalanceForRentExemption(mintSpace)
.send();
await client.sendTransaction([
getCreateAccountInstruction({
payer: client.payer, // Account funding the new mint account.
newAccount: mint, // New mint account to create.
lamports: mintRent, // Lamports funding the mint account rent.
space: mintSpace, // Account size in bytes for the mint plus DefaultAccountState.
programAddress: TOKEN_2022_PROGRAM_ADDRESS // Program that owns the mint account.
}),
getInitializeDefaultAccountStateInstruction({
mint: mint.address, // Mint account that stores the DefaultAccountState extension.
state: AccountState.Frozen // Default state assigned to new token accounts.
}),
getInitializeMintInstruction({
mint: mint.address, // Mint account to initialize.
decimals: 0, // Number of decimals for the token.
mintAuthority: client.payer.address, // Authority allowed to mint new tokens.
freezeAuthority: client.payer.address // Authority allowed to freeze token accounts.
})
]);
const [tokenAccount] = await findAssociatedTokenPda({
mint: mint.address,
owner: client.payer.address,
tokenProgram: TOKEN_2022_PROGRAM_ADDRESS
});
await client.sendTransaction([
await getCreateAssociatedTokenInstructionAsync({
payer: client.payer, // Account funding the associated token account creation.
mint: mint.address, // Mint for the associated token account.
owner: client.payer.address // Owner of the token account.
})
]);
const tokenAccountBeforeUpdate = await fetchToken(client.rpc, tokenAccount);
const mintAccountBeforeUpdate = await fetchMint(client.rpc, mint.address);
const defaultAccountStateBeforeUpdate = (
unwrapOption(mintAccountBeforeUpdate.data.extensions) ?? []
).find((item) => isExtension("DefaultAccountState", item));
await client.sendTransaction([
getUpdateDefaultAccountStateInstruction({
mint: mint.address, // Mint account that stores the DefaultAccountState extension.
freezeAuthority: client.payer, // Freeze authority authorized to update the default state.
state: AccountState.Initialized // New default state assigned to later token accounts.
})
]);
const tokenAccountAfterUpdate = await fetchToken(client.rpc, tokenAccount);
const mintAccountAfterUpdate = await fetchMint(client.rpc, mint.address);
const defaultAccountStateAfterUpdate = (
unwrapOption(mintAccountAfterUpdate.data.extensions) ?? []
).find((item) => isExtension("DefaultAccountState", item));
console.log("Mint Address:", mint.address);
console.log(
"Default Account State Before Update:",
defaultAccountStateBeforeUpdate
);
console.log(
"Token Account State Before Update:",
getAccountStateLabel(tokenAccountBeforeUpdate.data.state)
);
console.log(
"Default Account State After Update:",
defaultAccountStateAfterUpdate
);
console.log(
"Token Account State After Update:",
getAccountStateLabel(tokenAccountAfterUpdate.data.state)
);
Console
Click to execute the code.

Web3.js

Instructions
import {
Connection,
Keypair,
sendAndConfirmTransaction,
SystemProgram,
Transaction,
LAMPORTS_PER_SOL
} from "@solana/web3.js";
import {
AccountState,
ASSOCIATED_TOKEN_PROGRAM_ID,
createAssociatedTokenAccountInstruction,
createInitializeDefaultAccountStateInstruction,
createInitializeMintInstruction,
createUpdateDefaultAccountStateInstruction,
ExtensionType,
getAccount,
getAssociatedTokenAddressSync,
getDefaultAccountState,
getMint,
getMintLen,
TOKEN_2022_PROGRAM_ID
} from "@solana/spl-token";
const connection = new Connection("http://localhost:8899", "confirmed");
const latestBlockhash = await connection.getLatestBlockhash();
const feePayer = Keypair.generate();
const getTokenAccountStateLabel = (account: {
isInitialized: boolean;
isFrozen: boolean;
}) => {
if (account.isFrozen) return "Frozen";
if (account.isInitialized) return "Initialized";
return "Uninitialized";
};
const airdropSignature = await connection.requestAirdrop(
feePayer.publicKey,
5 * LAMPORTS_PER_SOL
);
await connection.confirmTransaction({
blockhash: latestBlockhash.blockhash,
lastValidBlockHeight: latestBlockhash.lastValidBlockHeight,
signature: airdropSignature
});
const extensions = [ExtensionType.DefaultAccountState];
const mint = Keypair.generate();
const mintLength = getMintLen(extensions);
const mintRent = await connection.getMinimumBalanceForRentExemption(mintLength);
const createMintAccountInstruction = SystemProgram.createAccount({
fromPubkey: feePayer.publicKey, // Account funding the new mint account.
newAccountPubkey: mint.publicKey, // New mint account to create.
space: mintLength, // Account size in bytes for the mint plus DefaultAccountState.
lamports: mintRent, // Lamports funding the mint account rent.
programId: TOKEN_2022_PROGRAM_ID // Program that owns the mint account.
});
const initializeDefaultStateInstruction =
createInitializeDefaultAccountStateInstruction(
mint.publicKey, // Mint account that stores the DefaultAccountState extension.
AccountState.Frozen, // Default state assigned to new token accounts.
TOKEN_2022_PROGRAM_ID // Token program that owns the mint.
);
const initializeMintInstruction = createInitializeMintInstruction(
mint.publicKey, // Mint account to initialize.
0, // Number of decimals for the token.
feePayer.publicKey, // Authority allowed to mint new tokens.
feePayer.publicKey, // Authority allowed to freeze token accounts.
TOKEN_2022_PROGRAM_ID // Program that owns the mint account.
);
await sendAndConfirmTransaction(
connection,
new Transaction({
feePayer: feePayer.publicKey,
blockhash: latestBlockhash.blockhash,
lastValidBlockHeight: latestBlockhash.lastValidBlockHeight
}).add(
createMintAccountInstruction,
initializeDefaultStateInstruction,
initializeMintInstruction
),
[feePayer, mint]
);
const tokenAccount = getAssociatedTokenAddressSync(
mint.publicKey,
feePayer.publicKey,
false,
TOKEN_2022_PROGRAM_ID,
ASSOCIATED_TOKEN_PROGRAM_ID
);
await sendAndConfirmTransaction(
connection,
new Transaction().add(
createAssociatedTokenAccountInstruction(
feePayer.publicKey, // Account funding the associated token account creation.
tokenAccount, // Associated token account address to create.
feePayer.publicKey, // Owner of the token account.
mint.publicKey, // Mint for the associated token account.
TOKEN_2022_PROGRAM_ID, // Token program that owns the token account.
ASSOCIATED_TOKEN_PROGRAM_ID // Associated Token Program that creates the account.
)
),
[feePayer],
{
commitment: "confirmed"
}
);
const tokenAccountBeforeUpdate = await getAccount(
connection,
tokenAccount,
"confirmed",
TOKEN_2022_PROGRAM_ID
);
const mintAccountBeforeUpdate = await getMint(
connection,
mint.publicKey,
"confirmed",
TOKEN_2022_PROGRAM_ID
);
const defaultAccountStateBeforeUpdate = getDefaultAccountState(
mintAccountBeforeUpdate
);
const updateDefaultStateInstruction =
createUpdateDefaultAccountStateInstruction(
mint.publicKey, // Mint account that stores the DefaultAccountState extension.
AccountState.Initialized, // New default state assigned to later token accounts.
feePayer.publicKey, // Freeze authority authorized to update the default state.
[], // Additional multisig signers.
TOKEN_2022_PROGRAM_ID // Token program that owns the mint.
);
await sendAndConfirmTransaction(
connection,
new Transaction().add(updateDefaultStateInstruction),
[feePayer],
{
commitment: "confirmed"
}
);
const tokenAccountAfterUpdate = await getAccount(
connection,
tokenAccount,
"confirmed",
TOKEN_2022_PROGRAM_ID
);
const mintAccountAfterUpdate = await getMint(
connection,
mint.publicKey,
"confirmed",
TOKEN_2022_PROGRAM_ID
);
const defaultAccountStateAfterUpdate = getDefaultAccountState(
mintAccountAfterUpdate
);
console.log("Mint Address:", mint.publicKey.toBase58());
console.log(
"Default Account State Before Update:",
defaultAccountStateBeforeUpdate
);
console.log(
"Token Account State Before Update:",
getTokenAccountStateLabel(tokenAccountBeforeUpdate)
);
console.log(
"Default Account State After Update:",
defaultAccountStateAfterUpdate
);
console.log(
"Token Account State After Update:",
getTokenAccountStateLabel(tokenAccountAfterUpdate)
);
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::{
signature::{Keypair, Signer},
transaction::Transaction,
};
use solana_system_interface::instruction::create_account;
use spl_associated_token_account_interface::{
address::get_associated_token_address_with_program_id,
instruction::create_associated_token_account,
};
use spl_token_2022_interface::{
extension::{
default_account_state::{
instruction::{initialize_default_account_state, update_default_account_state},
DefaultAccountState,
},
BaseStateWithExtensions, ExtensionType, StateWithExtensions,
},
instruction::initialize_mint,
state::{Account, AccountState, Mint},
ID as TOKEN_2022_PROGRAM_ID,
};
fn get_account_state_label(state: AccountState) -> &'static str {
match state {
AccountState::Frozen => "Frozen",
AccountState::Initialized => "Initialized",
AccountState::Uninitialized => "Uninitialized",
}
}
#[tokio::main]
async fn main() -> Result<()> {
let client = RpcClient::new_with_commitment(
String::from("http://localhost:8899"),
CommitmentConfig::confirmed(),
);
let fee_payer = Keypair::new();
let airdrop_signature = client
.request_airdrop(&fee_payer.pubkey(), 5_000_000_000)
.await?;
loop {
let confirmed = client.confirm_transaction(&airdrop_signature).await?;
if confirmed {
break;
}
}
let mint = Keypair::new();
let mint_space =
ExtensionType::try_calculate_account_len::<Mint>(&[ExtensionType::DefaultAccountState])?;
let mint_rent = client
.get_minimum_balance_for_rent_exemption(mint_space)
.await?;
let create_mint_account_instruction = create_account(
&fee_payer.pubkey(), // Account funding the new mint account.
&mint.pubkey(), // New mint account to create.
mint_rent, // Lamports funding the mint account rent.
mint_space as u64, // Account size in bytes for the mint plus DefaultAccountState.
&TOKEN_2022_PROGRAM_ID, // Program that owns the mint account.
);
let initialize_default_account_state_instruction = initialize_default_account_state(
&TOKEN_2022_PROGRAM_ID, // Token program that owns the mint.
&mint.pubkey(), // Mint account that stores the DefaultAccountState extension.
&AccountState::Frozen, // Default state assigned to new token accounts.
)?;
let initialize_mint_instruction = initialize_mint(
&TOKEN_2022_PROGRAM_ID, // Program that owns the mint account.
&mint.pubkey(), // Mint account to initialize.
&fee_payer.pubkey(), // Authority allowed to mint new tokens.
Some(&fee_payer.pubkey()), // Authority allowed to freeze token accounts.
0, // Number of decimals for the token.
)?;
let create_mint_transaction = Transaction::new_signed_with_payer(
&[
create_mint_account_instruction,
initialize_default_account_state_instruction,
initialize_mint_instruction,
],
Some(&fee_payer.pubkey()),
&[&fee_payer, &mint],
client.get_latest_blockhash().await?,
);
client
.send_and_confirm_transaction(&create_mint_transaction)
.await?;
let token_account = get_associated_token_address_with_program_id(
&fee_payer.pubkey(),
&mint.pubkey(),
&TOKEN_2022_PROGRAM_ID,
);
let create_token_account_transaction = Transaction::new_signed_with_payer(
&[create_associated_token_account(
&fee_payer.pubkey(), // Account funding the associated token account creation.
&fee_payer.pubkey(), // Owner of the token account.
&mint.pubkey(), // Mint for the associated token account.
&TOKEN_2022_PROGRAM_ID, // Token program that owns the token account.
)],
Some(&fee_payer.pubkey()),
&[&fee_payer],
client.get_latest_blockhash().await?,
);
client
.send_and_confirm_transaction(&create_token_account_transaction)
.await?;
let token_account_data_before_update = client.get_account(&token_account).await?;
let token_account_state_before_update =
StateWithExtensions::<Account>::unpack(&token_account_data_before_update.data)?;
let mint_account_before_update = client.get_account(&mint.pubkey()).await?;
let mint_state_before_update =
StateWithExtensions::<Mint>::unpack(&mint_account_before_update.data)?;
let default_account_state_before_update = mint_state_before_update
.get_extension::<DefaultAccountState>()?;
let update_default_account_state_instruction = update_default_account_state(
&TOKEN_2022_PROGRAM_ID, // Token program that owns the mint.
&mint.pubkey(), // Mint account that stores the DefaultAccountState extension.
&fee_payer.pubkey(), // Freeze authority authorized to update the default state.
&[&fee_payer.pubkey()], // Additional multisig signers.
&AccountState::Initialized, // New default state assigned to later token accounts.
)?;
let update_default_account_state_transaction = Transaction::new_signed_with_payer(
&[update_default_account_state_instruction],
Some(&fee_payer.pubkey()),
&[&fee_payer],
client.get_latest_blockhash().await?,
);
client
.send_and_confirm_transaction(&update_default_account_state_transaction)
.await?;
let token_account_data_after_update = client.get_account(&token_account).await?;
let token_account_state_after_update =
StateWithExtensions::<Account>::unpack(&token_account_data_after_update.data)?;
let mint_account_after_update = client.get_account(&mint.pubkey()).await?;
let mint_state_after_update =
StateWithExtensions::<Mint>::unpack(&mint_account_after_update.data)?;
let default_account_state_after_update =
mint_state_after_update.get_extension::<DefaultAccountState>()?;
println!("Mint Address: {}", mint.pubkey());
println!(
"Default Account State Before Update: {:?}",
default_account_state_before_update
);
println!(
"Token Account State Before Update: {}",
get_account_state_label(token_account_state_before_update.base.state)
);
println!(
"Default Account State After Update: {:?}",
default_account_state_after_update
);
println!(
"Token Account State After Update: {}",
get_account_state_label(token_account_state_after_update.base.state)
);
Ok(())
}
Console
Click to execute the code.

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