État par défaut

import { generateKeyPairSigner, unwrapOption } from "@solana/kit";
import { createLocalClient } from "@solana/kit-client-rpc";
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 createLocalClient();

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)
);

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)
);

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(())
}