Jetons non transférables

Qu'est-ce que les jetons non transférables ?

L'extension NonTransferable du mint du Token Extensions Program rend chaque token account de ce mint non transférable. Une fois les jetons émis, les détenteurs ne peuvent pas les déplacer vers un autre token account avec Transfer ou TransferChecked.

Ce modèle est utile pour les actifs qui doivent rester attachés à un seul portefeuille.

Les jetons non transférables peuvent toujours être :

  • Émis par l'autorité de mint
  • Brûlés par le propriétaire du token account ou un délégué autorisé
  • Les token accounts peuvent être clôturés une fois le solde réduit à zéro

Extensions de compte de jetons

Lorsqu'un token account est initialisé pour un mint avec NonTransferable, le token account est initialisé avec NonTransferableAccount et ImmutableOwner. Lorsque le token account est créé via l'Associated Token Program, la taille de compte requise est calculée et le token account est créé avec la taille requise et les lamports exemptés de rent.

Comment créer un mint non transférable

Pour créer un mint non transférable :

  1. Calculez la taille du mint account et le rent nécessaire pour le mint et l'extension NonTransferable.
  2. Créez le mint account avec CreateAccount, initialisez NonTransferable, et initialisez le mint avec InitializeMint.
  3. Créez des token accounts pour le mint. NonTransferableAccount et ImmutableOwner sont automatiquement activées pour les token accounts.
  4. Transfer et TransferChecked échouent avec TokenError::NonTransferable.

Calculer la taille du compte

Calculez la taille du mint account pour le mint de base plus l'extension NonTransferable. C'est la taille utilisée dans CreateAccount.

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 nonTransferableExtension = extension("NonTransferable", {});
const mintSpace = BigInt(getMintSize([nonTransferableExtension]));

Calculer le loyer

Calculez le loyer en utilisant la taille nécessaire pour le mint plus l'extension NonTransferable.

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 nonTransferableExtension = extension("NonTransferable", {});
const mintSpace = BigInt(getMintSize([nonTransferableExtension]));
const mintRent = await client.rpc
.getMinimumBalanceForRentExemption(mintSpace)
.send();

Créer le compte mint

Créez le compte mint avec l'espace et les lamports calculés.

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 nonTransferableExtension = extension("NonTransferable", {});
const mintSpace = BigInt(getMintSize([nonTransferableExtension]));
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
})
]);

Initialiser NonTransferable

Initialisez l'extension NonTransferable sur le 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 nonTransferableExtension = extension("NonTransferable", {});
const mintSpace = BigInt(getMintSize([nonTransferableExtension]));
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
}),
getInitializeNonTransferableMintInstruction({
mint: mint.address
})
]);

Initialiser le mint

Initialisez le mint avec InitializeMint dans la même transaction.

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 nonTransferableExtension = extension("NonTransferable", {});
const mintSpace = BigInt(getMintSize([nonTransferableExtension]));
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
}),
getInitializeNonTransferableMintInstruction({
mint: mint.address
}),
getInitializeMintInstruction({
mint: mint.address,
decimals: 0,
mintAuthority: client.payer.address,
freezeAuthority: client.payer.address
})
]);

Calculer la taille du compte

Calculez la taille du mint account pour le mint de base plus l'extension NonTransferable. C'est la taille utilisée dans CreateAccount.

Calculer le loyer

Calculez le loyer en utilisant la taille nécessaire pour le mint plus l'extension NonTransferable.

Créer le compte mint

Créez le compte mint avec l'espace et les lamports calculés.

Initialiser NonTransferable

Initialisez l'extension NonTransferable sur le mint.

Initialiser le mint

Initialisez le mint avec InitializeMint dans la même transaction.

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 nonTransferableExtension = extension("NonTransferable", {});
const mintSpace = BigInt(getMintSize([nonTransferableExtension]));

Ordre des instructions

InitializeNonTransferableMint doit venir avant InitializeMint. CreateAccount, InitializeNonTransferableMint et InitializeMint doivent être inclus dans la même transaction.

Référence source

ÉlémentDescriptionSource
NonTransferableExtension de mint qui marque les jetons du mint comme non transférables.Source
NonTransferableAccountExtension de compte de jetons ajoutée aux comptes de jetons pour les mints non transférables.Source
ImmutableOwnerExtension de compte de jetons qui empêche les changements de propriété et est requise pour les comptes de jetons non transférables.Source
InitializeNonTransferableMintInstruction qui initialise l'extension non transférable au niveau du mint avant InitializeMint.Source
process_initialize_non_transferable_mintLogique du processeur qui initialise l'extension de mint NonTransferable sur un mint non initialisé.Source
get_required_init_account_extensionsUtilisé pour ajouter automatiquement des extensions de compte de jetons lors de l'initialisation des comptes de jetons en fonction des extensions activées sur le mint. Pour les mints NonTransferable, il ajoute NonTransferableAccount et ImmutableOwner.Source

Typescript

L'exemple Kit ci-dessous utilise directement les instructions générées. Des exemples hérités utilisant @solana/web3.js sont inclus à titre de référence.

Kit

Instructions
import { lamports, createClient, generateKeyPairSigner } 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 {
extension,
fetchMint,
fetchToken,
findAssociatedTokenPda,
getCreateAssociatedTokenInstructionAsync,
getInitializeMintInstruction,
getInitializeNonTransferableMintInstruction,
getMintSize,
getMintToCheckedInstruction,
getTransferCheckedInstruction,
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 recipient = await generateKeyPairSigner();
const nonTransferableExtension = extension("NonTransferable", {});
const mintSpace = BigInt(getMintSize([nonTransferableExtension]));
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
}),
getInitializeNonTransferableMintInstruction({
mint: mint.address // Mint account that stores the NonTransferable extension.
}),
getInitializeMintInstruction({
mint: mint.address,
decimals: 0,
mintAuthority: client.payer.address,
freezeAuthority: client.payer.address
})
]);
const [sourceToken] = await findAssociatedTokenPda({
mint: mint.address,
owner: client.payer.address,
tokenProgram: TOKEN_2022_PROGRAM_ADDRESS
});
const [destinationToken] = 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: client.payer.address
}),
await getCreateAssociatedTokenInstructionAsync({
payer: client.payer,
mint: mint.address,
owner: recipient.address
}),
getMintToCheckedInstruction({
mint: mint.address,
token: sourceToken,
mintAuthority: client.payer,
amount: 1n,
decimals: 0
})
]);
try {
await client.sendTransaction([
getTransferCheckedInstruction({
source: sourceToken, // Token account sending the transfer.
mint: mint.address, // Mint with the non-transferable configuration.
destination: destinationToken, // Token account receiving the transfer.
authority: client.payer, // Signer approving the transfer.
amount: 1n, // Token amount in base units.
decimals: 0 // Decimals defined on the mint.
})
]);
} catch (error) {
console.error("Transfer failed as expected:", error);
}
const mintAccount = await fetchMint(client.rpc, mint.address);
const sourceTokenAccount = await fetchToken(client.rpc, sourceToken);
console.log("Mint Address:", mint.address);
console.log("Mint Extensions:", mintAccount.data.extensions);
console.log("\nSource ATA:", sourceToken);
console.log("Source Token Extensions:", sourceTokenAccount.data.extensions);
console.log("Destination ATA:", destinationToken);
Console
Click to execute the code.

Web3.js

Instructions
import {
Connection,
Keypair,
LAMPORTS_PER_SOL,
sendAndConfirmTransaction,
SystemProgram,
Transaction
} from "@solana/web3.js";
import {
ASSOCIATED_TOKEN_PROGRAM_ID,
createAssociatedTokenAccountInstruction,
createInitializeMintInstruction,
createInitializeNonTransferableMintInstruction,
createMintToCheckedInstruction,
createTransferCheckedInstruction,
ExtensionType,
getAccount,
getAssociatedTokenAddressSync,
getMint,
getMintLen,
getNonTransferable,
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 recipient = Keypair.generate();
const airdropSignature = await connection.requestAirdrop(
feePayer.publicKey,
LAMPORTS_PER_SOL
);
await connection.confirmTransaction({
blockhash: latestBlockhash.blockhash,
lastValidBlockHeight: latestBlockhash.lastValidBlockHeight,
signature: airdropSignature
});
const mint = Keypair.generate();
const mintSpace = getMintLen([ExtensionType.NonTransferable]);
const mintRent = await connection.getMinimumBalanceForRentExemption(mintSpace);
const sourceToken = getAssociatedTokenAddressSync(
mint.publicKey,
feePayer.publicKey,
false,
TOKEN_2022_PROGRAM_ID,
ASSOCIATED_TOKEN_PROGRAM_ID
);
const destinationToken = getAssociatedTokenAddressSync(
mint.publicKey,
recipient.publicKey,
false,
TOKEN_2022_PROGRAM_ID,
ASSOCIATED_TOKEN_PROGRAM_ID
);
await sendAndConfirmTransaction(
connection,
new Transaction({
feePayer: feePayer.publicKey,
blockhash: latestBlockhash.blockhash,
lastValidBlockHeight: latestBlockhash.lastValidBlockHeight
}).add(
SystemProgram.createAccount({
fromPubkey: feePayer.publicKey,
newAccountPubkey: mint.publicKey,
lamports: mintRent,
space: mintSpace,
programId: TOKEN_2022_PROGRAM_ID
}),
createInitializeNonTransferableMintInstruction(
mint.publicKey, // Mint account that stores the NonTransferable extension.
TOKEN_2022_PROGRAM_ID // Token program that owns the mint.
),
createInitializeMintInstruction(
mint.publicKey,
0,
feePayer.publicKey,
feePayer.publicKey,
TOKEN_2022_PROGRAM_ID
)
),
[feePayer, mint],
{ commitment: "confirmed" }
);
await sendAndConfirmTransaction(
connection,
new Transaction().add(
createAssociatedTokenAccountInstruction(
feePayer.publicKey,
sourceToken,
feePayer.publicKey,
mint.publicKey,
TOKEN_2022_PROGRAM_ID,
ASSOCIATED_TOKEN_PROGRAM_ID
),
createAssociatedTokenAccountInstruction(
feePayer.publicKey,
destinationToken,
recipient.publicKey,
mint.publicKey,
TOKEN_2022_PROGRAM_ID,
ASSOCIATED_TOKEN_PROGRAM_ID
),
createMintToCheckedInstruction(
mint.publicKey,
sourceToken,
feePayer.publicKey,
1,
0,
[],
TOKEN_2022_PROGRAM_ID
)
),
[feePayer],
{ commitment: "confirmed" }
);
try {
await sendAndConfirmTransaction(
connection,
new Transaction().add(
createTransferCheckedInstruction(
sourceToken, // Token account sending the transfer.
mint.publicKey, // Mint with the non-transferable configuration.
destinationToken, // Token account receiving the transfer.
feePayer.publicKey, // Signer approving the transfer.
1, // Token amount in base units.
0, // Decimals defined on the mint.
[], // Additional multisig signers.
TOKEN_2022_PROGRAM_ID // Token program that processes the transfer.
)
),
[feePayer],
{ commitment: "confirmed" }
);
} catch (error) {
console.error("Transfer failed as expected:", error);
}
const mintAccount = await getMint(
connection,
mint.publicKey,
"confirmed",
TOKEN_2022_PROGRAM_ID
);
const sourceTokenAccount = await getAccount(
connection,
sourceToken,
"confirmed",
TOKEN_2022_PROGRAM_ID
);
console.log("Mint Address:", mint.publicKey.toBase58());
console.log("Has NonTransferable:", getNonTransferable(mintAccount) !== null);
console.log("\nSource ATA:", sourceToken.toBase58());
console.log("Source Token Account:", sourceTokenAccount);
console.log("Destination ATA:", destinationToken.toBase58());
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::{
non_transferable::{NonTransferable, NonTransferableAccount},
BaseStateWithExtensions, ExtensionType, StateWithExtensions,
},
instruction::{
initialize_mint, initialize_non_transferable_mint, mint_to_checked, transfer_checked,
},
state::{Account, Mint},
ID as TOKEN_2022_PROGRAM_ID,
};
#[tokio::main]
async fn main() -> Result<()> {
let client = RpcClient::new_with_commitment(
String::from("http://localhost:8899"),
CommitmentConfig::confirmed(),
);
let recipient = Keypair::new();
let fee_payer = Keypair::new();
let decimals = 0;
let airdrop_signature = client
.request_airdrop(&fee_payer.pubkey(), 1_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::NonTransferable])?;
let mint_rent = client
.get_minimum_balance_for_rent_exemption(mint_space)
.await?;
let mint_blockhash = client.get_latest_blockhash().await?;
let mint_transaction = Transaction::new_signed_with_payer(
&[
create_account(
&fee_payer.pubkey(),
&mint.pubkey(),
mint_rent,
mint_space as u64,
&TOKEN_2022_PROGRAM_ID,
),
initialize_non_transferable_mint(&TOKEN_2022_PROGRAM_ID, &mint.pubkey())?,
initialize_mint(
&TOKEN_2022_PROGRAM_ID,
&mint.pubkey(),
&fee_payer.pubkey(),
Some(&fee_payer.pubkey()),
decimals,
)?,
],
Some(&fee_payer.pubkey()),
&[&fee_payer, &mint],
mint_blockhash,
);
client.send_and_confirm_transaction(&mint_transaction).await?;
let source_token_address = get_associated_token_address_with_program_id(
&fee_payer.pubkey(),
&mint.pubkey(),
&TOKEN_2022_PROGRAM_ID,
);
let destination_token_address = get_associated_token_address_with_program_id(
&recipient.pubkey(),
&mint.pubkey(),
&TOKEN_2022_PROGRAM_ID,
);
let setup_blockhash = client.get_latest_blockhash().await?;
let setup_transaction = Transaction::new_signed_with_payer(
&[
create_associated_token_account(
&fee_payer.pubkey(),
&fee_payer.pubkey(),
&mint.pubkey(),
&TOKEN_2022_PROGRAM_ID,
),
create_associated_token_account(
&fee_payer.pubkey(),
&recipient.pubkey(),
&mint.pubkey(),
&TOKEN_2022_PROGRAM_ID,
),
mint_to_checked(
&TOKEN_2022_PROGRAM_ID,
&mint.pubkey(),
&source_token_address,
&fee_payer.pubkey(),
&[],
1,
decimals,
)?,
],
Some(&fee_payer.pubkey()),
&[&fee_payer],
setup_blockhash,
);
client.send_and_confirm_transaction(&setup_transaction).await?;
let transfer_blockhash = client.get_latest_blockhash().await?;
let transfer_transaction = Transaction::new_signed_with_payer(
&[
transfer_checked(
&TOKEN_2022_PROGRAM_ID, // Token program to invoke.
&source_token_address, // Token account sending the tokens.
&mint.pubkey(), // Mint for the token being transferred.
&destination_token_address, // Token account receiving the tokens.
&fee_payer.pubkey(), // Owner or delegate approving the transfer.
&[], // Additional multisig signers.
1, // Token amount in base units.
decimals, // Decimals defined on the mint account.
)?,
],
Some(&fee_payer.pubkey()),
&[&fee_payer],
transfer_blockhash,
);
match client.send_and_confirm_transaction(&transfer_transaction).await {
Ok(signature) => println!("Transfer unexpectedly succeeded: {}", signature),
Err(error) => println!("Transfer failed as expected: {error:#?}"),
}
let mint_account = client.get_account(&mint.pubkey()).await?;
let mint_state = StateWithExtensions::<Mint>::unpack(&mint_account.data)?;
let source_token_account = client.get_account(&source_token_address).await?;
let source_token_state = StateWithExtensions::<Account>::unpack(&source_token_account.data)?;
println!("Mint Address: {}", mint.pubkey());
println!("Mint Extensions: {:?}", mint_state.get_extension_types()?);
println!(
"Has NonTransferable: {}",
mint_state.get_extension::<NonTransferable>().is_ok()
);
println!("\nSource ATA: {}", source_token_address);
println!(
"Source Token Extensions: {:?}",
source_token_state.get_extension_types()?
);
println!(
"Has NonTransferableAccount: {}",
source_token_state
.get_extension::<NonTransferableAccount>()
.is_ok()
);
println!("Destination ATA: {}", destination_token_address);
Ok(())
}
Console
Click to execute the code.

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