تحويل المذكرة
كيفية تمكين MemoTransferExtension
يتطلب
MemoTransferExtension
أن تتضمن جميع تحويلات الرموز الواردة مذكرة مصاحبة عند تمكينها على حساب الرمز.
يمكن تمكين أو تعطيل هذا الامتداد بواسطة مالك حساب الرمز.
تايبسكريبت
import {airdropFactory,appendTransactionMessageInstructions,createSolanaRpc,createSolanaRpcSubscriptions,createTransactionMessage,generateKeyPairSigner,getSignatureFromTransaction,lamports,pipe,sendAndConfirmTransactionFactory,setTransactionMessageFeePayerSigner,setTransactionMessageLifetimeUsingBlockhash,signTransactionMessageWithSigners} from "@solana/kit";import { getCreateAccountInstruction } from "@solana-program/system";import {getInitializeMintInstruction,getMintSize,TOKEN_2022_PROGRAM_ADDRESS,extension,getTokenSize,findAssociatedTokenPda,getCreateAssociatedTokenInstructionAsync,getEnableMemoTransfersInstruction,getInitializeAccountInstruction,getMintToInstruction,getTransferCheckedInstruction} from "@solana-program/token-2022";import { getAddMemoInstruction } from "@solana-program/memo";// Create Connection, local validator in this exampleconst rpc = createSolanaRpc("http://localhost:8899");const rpcSubscriptions = createSolanaRpcSubscriptions("ws://localhost:8900");// Generate the authority for the mint, (will also act as the fee payer)const authority = await generateKeyPairSigner();// Fund authority/fee payerawait airdropFactory({ rpc, rpcSubscriptions })({recipientAddress: authority.address,lamports: lamports(5_000_000_000n), // 5 SOLcommitment: "confirmed"});// Generate keypair to use as address of mintconst mint = await generateKeyPairSigner();// Get default mint account size (in bytes),const space = BigInt(getMintSize());// Get minimum balance for rent exemptionconst rent = await rpc.getMinimumBalanceForRentExemption(space).send();// Get latest blockhash to include in transactionconst { value: latestBlockhash } = await rpc.getLatestBlockhash().send();// Instruction to create new account for mint (token program)// Invokes the system programconst createMintAccountInstruction = getCreateAccountInstruction({payer: authority,newAccount: mint,lamports: rent,space,programAddress: TOKEN_2022_PROGRAM_ADDRESS});// Instruction to initialize mint account data// Invokes the token22 programconst initializeMintInstruction = getInitializeMintInstruction({mint: mint.address,decimals: 9,mintAuthority: authority.address});// Use findAssociatedTokenPda to derive the ATA addressconst [associatedTokenAddress] = await findAssociatedTokenPda({mint: mint.address,owner: authority.address,tokenProgram: TOKEN_2022_PROGRAM_ADDRESS});// instruction to create the associated token account for the authorityconst createAtaInstruction = await getCreateAssociatedTokenInstructionAsync({payer: authority,mint: mint.address,owner: authority.address});// Create instruction to mint tokensconst mintToInstruction = getMintToInstruction({mint: mint.address,token: associatedTokenAddress,mintAuthority: authority.address,amount: 1000_000_000_000n // 1000.0 tokens with 9 decimals});// Generate keypair to use as address of token accountconst tokenAccount = await generateKeyPairSigner();// memo transfer extension.const memoTransferExtension = extension("MemoTransfer", {requireIncomingTransferMemos: true});// get token account size with extension enabledconst tokenAccountLen = BigInt(getTokenSize([memoTransferExtension]));// Get minimum balance for rent exemptionconst tokenAccountRent = await rpc.getMinimumBalanceForRentExemption(tokenAccountLen).send();// Instruction to create new account for the token account// Invokes the system programconst createTokenAccountInstruction = getCreateAccountInstruction({payer: authority,newAccount: tokenAccount,lamports: tokenAccountRent,space: tokenAccountLen,programAddress: TOKEN_2022_PROGRAM_ADDRESS});// Instruction to initialize the created token accountconst initializeTokenAccountInstruction = getInitializeAccountInstruction({account: tokenAccount.address,mint: mint.address,owner: authority.address});// create instruction to enable the MemoTransferExtensionconst enableMemoTransferExtensionInstruction =getEnableMemoTransfersInstruction({token: tokenAccount.address,owner: authority});const instructions = [createMintAccountInstruction,initializeMintInstruction,createAtaInstruction,mintToInstruction,createTokenAccountInstruction,initializeTokenAccountInstruction,enableMemoTransferExtensionInstruction];// Create transaction messageconst transactionMessage = pipe(createTransactionMessage({ version: 0 }),(tx) => setTransactionMessageFeePayerSigner(authority, tx),(tx) => setTransactionMessageLifetimeUsingBlockhash(latestBlockhash, tx),(tx) => appendTransactionMessageInstructions(instructions, tx));// Sign transaction message with all required signersconst signedTransaction =await signTransactionMessageWithSigners(transactionMessage);// Send and confirm transactionawait sendAndConfirmTransactionFactory({ rpc, rpcSubscriptions })(signedTransaction,{ commitment: "confirmed", skipPreflight: true });// // Get transaction signatureconst transactionSignature = getSignatureFromTransaction(signedTransaction);console.log("Mint Address:", mint.address.toString());console.log("Transaction Signature:", transactionSignature);// Get a fresh blockhash for the transfer with memo enabledconst { value: latestBlockhash2 } = await rpc.getLatestBlockhash().send();// construct memo instructionconst transferMemoInstruction = getAddMemoInstruction({memo: "This transfer requires a memo to accompany it"});// create transfer insructionconst transferInstruction = getTransferCheckedInstruction({source: associatedTokenAddress,mint: mint.address,destination: tokenAccount.address,authority: authority,amount: 1_000_000_000,decimals: 9});// construct transaction message for transferconst transferMessage = pipe(createTransactionMessage({ version: 0 }),(tx) => setTransactionMessageFeePayerSigner(authority, tx),(tx) => setTransactionMessageLifetimeUsingBlockhash(latestBlockhash2, tx),(tx) =>appendTransactionMessageInstructions([transferMemoInstruction, transferInstruction],tx));// Sign transaction message with all required signersconst signedTransferTx =await signTransactionMessageWithSigners(transferMessage);// Send and confirm transactionawait sendAndConfirmTransactionFactory({ rpc, rpcSubscriptions })(signedTransferTx,{ commitment: "confirmed" });// Get transaction signatureconst transferTxSig = getSignatureFromTransaction(signedTransferTx);console.log("\nTransferred tokens with memo ix enabled");console.log("Transaction Signature:", transferTxSig);
Console
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راست
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_memo::build_memo;use spl_token_2022::{ID as TOKEN_2022_PROGRAM_ID,extension::{ExtensionType, memo_transfer::instruction::enable_required_transfer_memos},instruction::{initialize_account, initialize_mint, mint_to, transfer_checked},state::{Account, Mint},};#[tokio::main]async fn main() -> Result<()> {// Create connection to local validatorlet client = RpcClient::new_with_commitment(String::from("http://localhost:8899"),CommitmentConfig::confirmed(),);let latest_blockhash = client.get_latest_blockhash().await?;// Generate a new keypair for the fee payerlet fee_payer = Keypair::new();// Airdrop 5 SOL to fee payerlet airdrop_signature = client.request_airdrop(&fee_payer.pubkey(), 5_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 mintlet mint = Keypair::new();// Get default mint account size (in bytes), no extensions enabledlet mint_space = Mint::LEN;let mint_rent = client.get_minimum_balance_for_rent_exemption(mint_space).await?;// Instruction to create new account for mint (token22)let create_mint_account_instruction = create_account(&fee_payer.pubkey(), // payer&mint.pubkey(), // new account (mint)mint_rent, // lamportsmint_space as u64, // space&TOKEN_2022_PROGRAM_ID, // program id);// Instruction to initialize mint account datalet initialize_mint_instruction = initialize_mint(&TOKEN_2022_PROGRAM_ID, // program id&mint.pubkey(), // mint&fee_payer.pubkey(), // mint authoritySome(&fee_payer.pubkey()), // freeze authority9, // decimals)?;// Calculate the associated token account address for fee_payerlet associated_token_address = get_associated_token_address_with_program_id(&fee_payer.pubkey(), // owner&mint.pubkey(), // mint&TOKEN_2022_PROGRAM_ID, // program_id);// Instruction to create associated token accountlet create_ata_instruction = create_associated_token_account(&fee_payer.pubkey(), // funding address&fee_payer.pubkey(), // wallet address&mint.pubkey(), // mint address&TOKEN_2022_PROGRAM_ID, // program id);// Amount of tokens to mint (1000 tokens with 9 decimals)let amount = 1000_000_000_000;// Create mint_to instruction to mint tokens to the associated token accountlet mint_to_instruction = mint_to(&TOKEN_2022_PROGRAM_ID, // program_id&mint.pubkey(), // mint&associated_token_address, // destination&fee_payer.pubkey(), // authority&[&fee_payer.pubkey()], // signeramount, // amount)?;// Generate keypair to use as address of token accountlet token_account = Keypair::new();// Get default token account size (in bytes), with memo transfer extension enabledlet token_account_space =ExtensionType::try_calculate_account_len::<Account>(&[ExtensionType::MemoTransfer])?;let token_account_rent = client.get_minimum_balance_for_rent_exemption(token_account_space).await?;// Instruction to create new account for token account (token22)let create_token_account_instruction = create_account(&fee_payer.pubkey(), // payer&token_account.pubkey(), // new account (token account)token_account_rent, // renttoken_account_space as u64, // space&TOKEN_2022_PROGRAM_ID, // program id);// initialize token accountlet initialize_token_account = initialize_account(&TOKEN_2022_PROGRAM_ID, // program_id&token_account.pubkey(), // token account&mint.pubkey(), // mint&fee_payer.pubkey(), // authority)?;// enable memo transfer extensionlet enable_memo_transfer_instruction = enable_required_transfer_memos(&TOKEN_2022_PROGRAM_ID, // program_id&token_account.pubkey(), // token account&fee_payer.pubkey(), // authority&[&fee_payer.pubkey()], // authority)?;// Construct transaction with previous instructionslet transaction = Transaction::new_signed_with_payer(&[create_mint_account_instruction,initialize_mint_instruction,create_ata_instruction,mint_to_instruction,create_token_account_instruction,initialize_token_account,enable_memo_transfer_instruction,],Some(&fee_payer.pubkey()),&[&fee_payer, &mint, &token_account],latest_blockhash,);// Send and confirm transactionlet transaction_signature = client.send_and_confirm_transaction(&transaction).await?;println!("Mint Address: {}", mint.pubkey());println!("Associated Token Account Address: {}",associated_token_address);println!("token account with memo transfer enabled: {}",token_account.pubkey());println!("\nSuccessfully enabled memo transfer extension on token account");println!("Transaction Signature: {}", transaction_signature);// Get the latest blockhash for the approve transactionlet latest_blockhash = client.get_latest_blockhash().await?;// Create transfer_checked instruction to send tokens from source to destinationlet transfer_instruction = transfer_checked(&TOKEN_2022_PROGRAM_ID, // program id&associated_token_address, // source&mint.pubkey(), // mint&token_account.pubkey(), // destination&fee_payer.pubkey(), // owner of source&[&fee_payer.pubkey()], // signers1_000_000_000, // amount9, // decimals)?;let memo = String::from("This transfer requires a memo to accompany it");let memo_instruction = build_memo(memo.as_bytes(), &[&fee_payer.pubkey()]);// Create transaction for approving delegatelet transaction = Transaction::new_signed_with_payer(&[memo_instruction, transfer_instruction],Some(&fee_payer.pubkey()),&[&fee_payer],latest_blockhash,);// Send and confirm transactionlet transaction_signature = client.send_and_confirm_transaction(&transaction).await?;println!("\nSuccessfully transferred tokens with memo transfer extension enabled");println!("Transaction Signature: {}", transaction_signature);Ok(())}
Console
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