Wat Is Immutable Owner?
De ImmutableOwner account-extensie van het Token Extension Program maakt
de eigenaar van een token account permanent.
Zodra een token account is geïnitialiseerd met ImmutableOwner, kunnen
latere SetAuthority-instructies de AccountOwner-autorisatie niet
meer wijzigen.
Associated Token Accounts
Associated token accounts die zijn aangemaakt via het Associated Token Program
voor het Token Extension Program initialiseren automatisch
ImmutableOwner op het token account.
Hoe Initialiseer Je een Immutable Owner Account
Om een immutable owner account te initialiseren:
- Maak een mint aan en initialiseer deze.
- Maak een token account aan met voldoende ruimte voor
ImmutableOwner. - Initialiseer
ImmutableOwnerop het token account vóórInitializeAccount. - Een poging om de account-eigenaar later te wijzigen met
SetAuthoritymislukt metTokenError::ImmutableOwner.
Bereken de grootte van het token account
Bereken de grootte van het token account voor het basis-token account plus de
ImmutableOwner-extensie. Dit is de grootte die wordt gebruikt in
CreateAccount.
Bereken rent
Bereken rent met behulp van de grootte van het token account die nodig is voor
de ImmutableOwner-extensie.
Maak het token account aan
Maak het token account aan met de berekende ruimte en lamports.
Initialiseer ImmutableOwner
Initialiseer de ImmutableOwner extensie op het token account.
Initialiseer het token account
Initialiseer het token account met InitializeAccount in dezelfde
transactie.
Instructievolgorde
InitializeImmutableOwner moet vóór InitializeAccount komen.
CreateAccount, InitializeImmutableOwner en InitializeAccount
moeten in dezelfde transactie worden opgenomen.
Bronverwijzing
| Item | Beschrijving | Bron |
|---|---|---|
ImmutableOwner | Accountextensie die een token account eigenaar als onveranderlijk markeert. | Bron |
InitializeImmutableOwner | Instructie die de onveranderlijke-eigenaar extensie initialiseert op een niet-geïnitialiseerd token account. | Bron |
process_initialize_immutable_owner | Processorlogica die ImmutableOwner op het account toewijst en initialiseert. | Bron |
SetAuthority | Basis token instructie die wordt gebruikt om autorisaties te wijzigen, inclusief een token account eigenaar. | Bron |
process_set_authority | Processorlogica die eigendomswijzigingen afwijst wanneer het token account ImmutableOwner heeft ingeschakeld. | Bron |
Typescript
Het Kit voorbeeld hieronder gebruikt de gegenereerde instructies direct.
Legacy voorbeelden met @solana/web3.js en @solana/spl-token zijn ter
referentie opgenomen.
Kit
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 {AuthorityType,extension,fetchToken,getInitializeAccountInstruction,getInitializeImmutableOwnerInstruction,getInitializeMintInstruction,getMintSize,getSetAuthorityInstruction,getTokenSize,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 tokenAccount = await generateKeyPairSigner();const newOwner = await generateKeyPairSigner();const mintSpace = BigInt(getMintSize());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.programAddress: TOKEN_2022_PROGRAM_ADDRESS // Program that owns the mint account.}),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 immutableOwnerExtension = extension("ImmutableOwner", {});const tokenSpace = BigInt(getTokenSize([immutableOwnerExtension]));const tokenRent = await client.rpc.getMinimumBalanceForRentExemption(tokenSpace).send();await client.sendTransaction([getCreateAccountInstruction({payer: client.payer, // Account funding the new token account.newAccount: tokenAccount, // New token account to create.lamports: tokenRent, // Lamports funding the token account rent.space: tokenSpace, // Account size in bytes for the token account plus ImmutableOwner.programAddress: TOKEN_2022_PROGRAM_ADDRESS // Program that owns the token account.}),getInitializeImmutableOwnerInstruction({account: tokenAccount.address // Token account that stores the ImmutableOwner extension.}),getInitializeAccountInstruction({account: tokenAccount.address, // Token account to initialize.mint: mint.address, // Mint for the token account.owner: client.payer.address // Owner of the token account.})]);let failure: string | undefined;try {await client.sendTransaction([getSetAuthorityInstruction({owned: tokenAccount.address, // Token account whose authority is being updated.owner: client.payer, // Current token account owner signing the instruction.authorityType: AuthorityType.AccountOwner, // Account authority field to change.newAuthority: newOwner.address // New token account owner to set.})]);} catch (error) {failure = String(error);}if (!failure) {throw new Error("Expected the owner change to fail");}const token = await fetchToken(client.rpc, tokenAccount.address);const immutableOwnerExtensionState = (unwrapOption(token.data.extensions) ?? []).find((item) => isExtension("ImmutableOwner", item));console.log("Mint Address:", mint.address);console.log("Token Account:", tokenAccount.address);console.log("ImmutableOwner Extension:", immutableOwnerExtensionState);console.log("SetAuthority Failure:", failure);
Web3.js
import {Connection,Keypair,sendAndConfirmTransaction,SystemProgram,Transaction,LAMPORTS_PER_SOL} from "@solana/web3.js";import {AuthorityType,createInitializeMintInstruction,createInitializeAccountInstruction,createInitializeImmutableOwnerInstruction,createSetAuthorityInstruction,ExtensionType,getAccount,getAccountLen,getImmutableOwner,getMintLen,TOKEN_2022_PROGRAM_ID} from "@solana/spl-token";const connection = new Connection("http://localhost:8899", "confirmed");const feePayer = Keypair.generate();const newOwner = Keypair.generate();const airdropSignature = await connection.requestAirdrop(feePayer.publicKey,5 * LAMPORTS_PER_SOL);const latestBlockhash = await connection.getLatestBlockhash();await connection.confirmTransaction({blockhash: latestBlockhash.blockhash,lastValidBlockHeight: latestBlockhash.lastValidBlockHeight,signature: airdropSignature});const mint = Keypair.generate();const mintLength = getMintLen([]);const mintRent = await connection.getMinimumBalanceForRentExemption(mintLength);const extensions = [ExtensionType.ImmutableOwner];const tokenAccount = new Keypair();const tokenAccountLen = getAccountLen(extensions);const tokenAccountRent =await connection.getMinimumBalanceForRentExemption(tokenAccountLen);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.lamports: mintRent, // Lamports funding the mint account rent.programId: TOKEN_2022_PROGRAM_ID // Program that owns the mint account.});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.);const createTokenAccountInstruction = SystemProgram.createAccount({fromPubkey: feePayer.publicKey, // Account funding the new token account.newAccountPubkey: tokenAccount.publicKey, // New token account to create.space: tokenAccountLen, // Account size in bytes for the token account plus ImmutableOwner.lamports: tokenAccountRent, // Lamports funding the token account rent.programId: TOKEN_2022_PROGRAM_ID // Program that owns the token account.});const initializeImmutableOwnerInstruction =createInitializeImmutableOwnerInstruction(tokenAccount.publicKey, // Token account that stores the ImmutableOwner extension.TOKEN_2022_PROGRAM_ID // Token program that owns the token account.);const initializeTokenAccountInstruction = createInitializeAccountInstruction(tokenAccount.publicKey, // Token account to initialize.mint.publicKey, // Mint for the token account.feePayer.publicKey, // Owner of the token account.TOKEN_2022_PROGRAM_ID // Token program that owns the token account.);await sendAndConfirmTransaction(connection,new Transaction().add(createMintAccountInstruction,initializeMintInstruction),[feePayer, mint]);await sendAndConfirmTransaction(connection,new Transaction().add(createTokenAccountInstruction,initializeImmutableOwnerInstruction,initializeTokenAccountInstruction),[feePayer, tokenAccount]);let failure: string | undefined;try {await sendAndConfirmTransaction(connection,new Transaction().add(createSetAuthorityInstruction(tokenAccount.publicKey, // Token account whose authority is being updated.feePayer.publicKey, // Current token account owner signing the instruction.AuthorityType.AccountOwner, // Account authority field to change.newOwner.publicKey, // New token account owner to set.[], // Additional multisig signers.TOKEN_2022_PROGRAM_ID // Token program that owns the token account.)),[feePayer]);} catch (error) {failure = String(error);}if (!failure) {throw new Error("Expected the owner change to fail");}const tokenAccountData = await getAccount(connection,tokenAccount.publicKey,"confirmed",TOKEN_2022_PROGRAM_ID);const immutableOwnerExtension = getImmutableOwner(tokenAccountData);console.log("Mint Address:", mint.publicKey.toBase58());console.log("Token Account:", tokenAccount.publicKey.toBase58());console.log("ImmutableOwner Extension:", immutableOwnerExtension);console.log("SetAuthority Failure:", failure);
Rust
use anyhow::{anyhow, Result};use solana_client::nonblocking::rpc_client::RpcClient;use solana_commitment_config::CommitmentConfig;use solana_sdk::{program_pack::Pack,signature::{Keypair, Signer},transaction::Transaction,};use solana_system_interface::instruction::create_account;use spl_token_2022_interface::{extension::{immutable_owner::ImmutableOwner, BaseStateWithExtensions, ExtensionType,StateWithExtensions,},instruction::{initialize_account, initialize_immutable_owner, initialize_mint, set_authority,AuthorityType,},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 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 = Mint::LEN;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.&TOKEN_2022_PROGRAM_ID, // Program that owns the mint account.);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 token_account = Keypair::new();let token_account_space =ExtensionType::try_calculate_account_len::<Account>(&[ExtensionType::ImmutableOwner])?;let token_account_rent = client.get_minimum_balance_for_rent_exemption(token_account_space).await?;let create_token_account_instruction = create_account(&fee_payer.pubkey(), // Account funding the new token account.&token_account.pubkey(), // New token account to create.token_account_rent, // Lamports funding the token account rent.token_account_space as u64, // Account size in bytes for the token account plus ImmutableOwner.&TOKEN_2022_PROGRAM_ID, // Program that owns the token account.);let initialize_token_account = initialize_account(&TOKEN_2022_PROGRAM_ID, // Token program that owns the token account.&token_account.pubkey(), // Token account to initialize.&mint.pubkey(), // Mint for the token account.&fee_payer.pubkey(), // Owner of the token account.)?;let init_immutable_owner_instruction =initialize_immutable_owner(&TOKEN_2022_PROGRAM_ID, // Token program that owns the token account.&token_account.pubkey(), // Token account that stores the ImmutableOwner extension.)?;let transaction = Transaction::new_signed_with_payer(&[create_mint_account_instruction,initialize_mint_instruction,create_token_account_instruction,init_immutable_owner_instruction,initialize_token_account,],Some(&fee_payer.pubkey()),&[&fee_payer, &mint, &token_account],client.get_latest_blockhash().await?,);client.send_and_confirm_transaction(&transaction).await?;let token_account_data = client.get_account(&token_account.pubkey()).await?;let token_account_state = StateWithExtensions::<Account>::unpack(&token_account_data.data)?;let new_owner = Keypair::new();let set_authority_instruction = set_authority(&TOKEN_2022_PROGRAM_ID, // Token program that owns the token account.&token_account.pubkey(), // Token account whose authority is being updated.Some(&new_owner.pubkey()), // New token account owner to set.AuthorityType::AccountOwner, // Account authority field to change.&fee_payer.pubkey(), // Current token account owner signing the instruction.&[], // Additional multisig signers.)?;let set_authority_transaction = Transaction::new_signed_with_payer(&[set_authority_instruction],Some(&fee_payer.pubkey()),&[&fee_payer],client.get_latest_blockhash().await?,);let failure = match client.send_and_confirm_transaction(&set_authority_transaction).await{Ok(sig) => return Err(anyhow!("Expected the owner change to fail: {}", sig)),Err(e) => format!("{:#?}", e),};let immutable_owner_extension = token_account_state.get_extension::<ImmutableOwner>()?;println!("Mint Address: {}", mint.pubkey());println!("Token Account: {}", token_account.pubkey());println!("ImmutableOwner Extension: {:#?}", immutable_owner_extension);println!("SetAuthority Failure: {}", failure);Ok(())}
Is this page helpful?